From 1dd2cbbfa151a84e554d38bc8a57fd53859d609a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=BB=84=E6=98=95?= Date: Wed, 18 Oct 2023 11:15:16 +0800 Subject: [PATCH] =?UTF-8?q?OCT=201.=20=E5=88=9D=E5=A7=8B=E5=8C=96=E4=BB=A3?= =?UTF-8?q?=E7=A0=81=E4=BB=93=E5=BA=93?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .gitignore | 15 + .idea/.gitignore | 3 + .idea/codeStyles/Project.xml | 117 + .idea/codeStyles/codeStyleConfig.xml | 5 + .idea/compiler.xml | 6 + .idea/git_toolbox_prj.xml | 15 + .idea/gradle.xml | 20 + .idea/inspectionProfiles/Project_Default.xml | 10 + .idea/misc.xml | 9 + .idea/vcs.xml | 6 + app/.gitignore | 1 + app/build.gradle.kts | 48 + app/proguard-rules.pro | 21 + .../sccproxy/ExampleInstrumentedTest.java | 26 + app/src/main/AndroidManifest.xml | 27 + app/src/main/cpp/CMakeLists.txt | 40 + app/src/main/cpp/cJSON/cJSON.c | 3119 ++++++ app/src/main/cpp/cJSON/cJSON.h | 300 + app/src/main/cpp/include/httplib.h | 9746 +++++++++++++++++ app/src/main/cpp/include/ipcalc.h | 73 + app/src/main/cpp/include/log.h | 8 + app/src/main/cpp/include/sccproxy.h | 83 + app/src/main/cpp/include/scg-service.h | 8 + app/src/main/cpp/include/usrerr.h | 75 + app/src/main/cpp/native-lib.cpp | 140 + app/src/main/cpp/srcs/ipcalc.cpp | 511 + app/src/main/cpp/srcs/scc-service.cpp | 376 + app/src/main/cpp/srcs/tunnel-proxy.cpp | 282 + .../com/example/sccproxy/MainActivity.java | 36 + .../res/drawable/ic_launcher_background.xml | 170 + .../res/drawable/ic_launcher_foreground.xml | 30 + app/src/main/res/layout/activity_main.xml | 19 + .../res/mipmap-anydpi-v26/ic_launcher.xml | 6 + .../mipmap-anydpi-v26/ic_launcher_round.xml | 6 + app/src/main/res/mipmap-hdpi/ic_launcher.webp | Bin 0 -> 1404 bytes .../res/mipmap-hdpi/ic_launcher_round.webp | Bin 0 -> 2898 bytes app/src/main/res/mipmap-mdpi/ic_launcher.webp | Bin 0 -> 982 bytes .../res/mipmap-mdpi/ic_launcher_round.webp | Bin 0 -> 1772 bytes .../main/res/mipmap-xhdpi/ic_launcher.webp | Bin 0 -> 1900 bytes .../res/mipmap-xhdpi/ic_launcher_round.webp | Bin 0 -> 3918 bytes .../main/res/mipmap-xxhdpi/ic_launcher.webp | Bin 0 -> 2884 bytes .../res/mipmap-xxhdpi/ic_launcher_round.webp | Bin 0 -> 5914 bytes .../main/res/mipmap-xxxhdpi/ic_launcher.webp | Bin 0 -> 3844 bytes .../res/mipmap-xxxhdpi/ic_launcher_round.webp | Bin 0 -> 7778 bytes app/src/main/res/values-night/themes.xml | 16 + app/src/main/res/values/colors.xml | 10 + app/src/main/res/values/strings.xml | 3 + app/src/main/res/values/themes.xml | 16 + app/src/main/res/xml/backup_rules.xml | 13 + .../main/res/xml/data_extraction_rules.xml | 19 + .../com/example/sccproxy/ExampleUnitTest.java | 17 + build.gradle.kts | 4 + gradle.properties | 21 + gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 59203 bytes gradle/wrapper/gradle-wrapper.properties | 6 + gradlew | 185 + gradlew.bat | 89 + settings.gradle.kts | 17 + 58 files changed, 15773 insertions(+) create mode 100644 .gitignore create mode 100644 .idea/.gitignore create mode 100644 .idea/codeStyles/Project.xml create mode 100644 .idea/codeStyles/codeStyleConfig.xml create mode 100644 .idea/compiler.xml create mode 100644 .idea/git_toolbox_prj.xml create mode 100644 .idea/gradle.xml create mode 100644 .idea/inspectionProfiles/Project_Default.xml create mode 100644 .idea/misc.xml create mode 100644 .idea/vcs.xml create mode 100644 app/.gitignore create mode 100644 app/build.gradle.kts create mode 100644 app/proguard-rules.pro create mode 100644 app/src/androidTest/java/com/example/sccproxy/ExampleInstrumentedTest.java create mode 100644 app/src/main/AndroidManifest.xml create mode 100644 app/src/main/cpp/CMakeLists.txt create mode 100644 app/src/main/cpp/cJSON/cJSON.c create mode 100644 app/src/main/cpp/cJSON/cJSON.h create mode 100644 app/src/main/cpp/include/httplib.h create mode 100644 app/src/main/cpp/include/ipcalc.h create mode 100644 app/src/main/cpp/include/log.h create mode 100644 app/src/main/cpp/include/sccproxy.h create mode 100644 app/src/main/cpp/include/scg-service.h create mode 100644 app/src/main/cpp/include/usrerr.h create mode 100644 app/src/main/cpp/native-lib.cpp create mode 100644 app/src/main/cpp/srcs/ipcalc.cpp create mode 100644 app/src/main/cpp/srcs/scc-service.cpp create mode 100644 app/src/main/cpp/srcs/tunnel-proxy.cpp create mode 100644 app/src/main/java/com/example/sccproxy/MainActivity.java create mode 100644 app/src/main/res/drawable/ic_launcher_background.xml create mode 100644 app/src/main/res/drawable/ic_launcher_foreground.xml create mode 100644 app/src/main/res/layout/activity_main.xml create mode 100644 app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml create mode 100644 app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml create mode 100644 app/src/main/res/mipmap-hdpi/ic_launcher.webp create mode 100644 app/src/main/res/mipmap-hdpi/ic_launcher_round.webp create mode 100644 app/src/main/res/mipmap-mdpi/ic_launcher.webp create mode 100644 app/src/main/res/mipmap-mdpi/ic_launcher_round.webp create mode 100644 app/src/main/res/mipmap-xhdpi/ic_launcher.webp create mode 100644 app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp create mode 100644 app/src/main/res/mipmap-xxhdpi/ic_launcher.webp create mode 100644 app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp create mode 100644 app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp create mode 100644 app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp create mode 100644 app/src/main/res/values-night/themes.xml create mode 100644 app/src/main/res/values/colors.xml create mode 100644 app/src/main/res/values/strings.xml create mode 100644 app/src/main/res/values/themes.xml create mode 100644 app/src/main/res/xml/backup_rules.xml create mode 100644 app/src/main/res/xml/data_extraction_rules.xml create mode 100644 app/src/test/java/com/example/sccproxy/ExampleUnitTest.java create mode 100644 build.gradle.kts create mode 100644 gradle.properties create mode 100644 gradle/wrapper/gradle-wrapper.jar create mode 100644 gradle/wrapper/gradle-wrapper.properties create mode 100644 gradlew create mode 100644 gradlew.bat create mode 100644 settings.gradle.kts diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..aa724b7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,15 @@ +*.iml +.gradle +/local.properties +/.idea/caches +/.idea/libraries +/.idea/modules.xml +/.idea/workspace.xml +/.idea/navEditor.xml +/.idea/assetWizardSettings.xml +.DS_Store +/build +/captures +.externalNativeBuild +.cxx +local.properties diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml new file mode 100644 index 0000000..4bec4ea --- /dev/null +++ b/.idea/codeStyles/Project.xml @@ -0,0 +1,117 @@ + + + + + + \ No newline at end of file diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml new file mode 100644 index 0000000..a55e7a1 --- /dev/null +++ b/.idea/codeStyles/codeStyleConfig.xml @@ -0,0 +1,5 @@ + + + + \ No newline at end of file diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 0000000..b589d56 --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/git_toolbox_prj.xml b/.idea/git_toolbox_prj.xml new file mode 100644 index 0000000..02b915b --- /dev/null +++ b/.idea/git_toolbox_prj.xml @@ -0,0 +1,15 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/gradle.xml b/.idea/gradle.xml new file mode 100644 index 0000000..ae388c2 --- /dev/null +++ b/.idea/gradle.xml @@ -0,0 +1,20 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..146ab09 --- /dev/null +++ b/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,10 @@ + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..8978d23 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,9 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/.gitignore b/app/.gitignore new file mode 100644 index 0000000..42afabf --- /dev/null +++ b/app/.gitignore @@ -0,0 +1 @@ +/build \ No newline at end of file diff --git a/app/build.gradle.kts b/app/build.gradle.kts new file mode 100644 index 0000000..ab74642 --- /dev/null +++ b/app/build.gradle.kts @@ -0,0 +1,48 @@ +plugins { + id("com.android.application") +} + +android { + namespace = "com.example.sccproxy" + compileSdk = 33 + + defaultConfig { + applicationId = "com.example.sccproxy" + minSdk = 24 + targetSdk = 33 + versionCode = 1 + versionName = "1.0" + + testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" + } + + buildTypes { + release { + isMinifyEnabled = false + proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro") + } + } + compileOptions { + sourceCompatibility = JavaVersion.VERSION_1_8 + targetCompatibility = JavaVersion.VERSION_1_8 + } + externalNativeBuild { + cmake { + path = file("src/main/cpp/CMakeLists.txt") + version = "3.22.1" + } + } + buildFeatures { + viewBinding = true + } +} + +dependencies { + + implementation("androidx.appcompat:appcompat:1.6.1") + implementation("com.google.android.material:material:1.8.0") + implementation("androidx.constraintlayout:constraintlayout:2.1.4") + testImplementation("junit:junit:4.13.2") + androidTestImplementation("androidx.test.ext:junit:1.1.5") + androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1") +} \ No newline at end of file diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro new file mode 100644 index 0000000..481bb43 --- /dev/null +++ b/app/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile \ No newline at end of file diff --git a/app/src/androidTest/java/com/example/sccproxy/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/example/sccproxy/ExampleInstrumentedTest.java new file mode 100644 index 0000000..56b967f --- /dev/null +++ b/app/src/androidTest/java/com/example/sccproxy/ExampleInstrumentedTest.java @@ -0,0 +1,26 @@ +package com.example.sccproxy; + +import android.content.Context; + +import androidx.test.platform.app.InstrumentationRegistry; +import androidx.test.ext.junit.runners.AndroidJUnit4; + +import org.junit.Test; +import org.junit.runner.RunWith; + +import static org.junit.Assert.*; + +/** + * Instrumented test, which will execute on an Android device. + * + * @see Testing documentation + */ +@RunWith(AndroidJUnit4.class) +public class ExampleInstrumentedTest { + @Test + public void useAppContext() { + // Context of the app under test. + Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext(); + assertEquals("com.example.sccproxy", appContext.getPackageName()); + } +} \ No newline at end of file diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..891354b --- /dev/null +++ b/app/src/main/AndroidManifest.xml @@ -0,0 +1,27 @@ + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/cpp/CMakeLists.txt b/app/src/main/cpp/CMakeLists.txt new file mode 100644 index 0000000..5523f5b --- /dev/null +++ b/app/src/main/cpp/CMakeLists.txt @@ -0,0 +1,40 @@ +# For more information about using CMake with Android Studio, read the +# documentation: https://d.android.com/studio/projects/add-native-code.html. +# For more examples on how to use CMake, see https://github.com/android/ndk-samples. + +# Sets the minimum CMake version required for this project. +cmake_minimum_required(VERSION 3.22.1) + +# Declares the project name. The project name can be accessed via ${ PROJECT_NAME}, +# Since this is the top level CMakeLists.txt, the project name is also accessible +# with ${CMAKE_PROJECT_NAME} (both CMake variables are in-sync within the top level +# build script scope). +project("sccproxy") + +INCLUDE_DIRECTORIES(include ./) +FILE(GLOB C_HEADS ./include/*.h ./cJSON/cJSON.h) + +# Creates and names a library, sets it as either STATIC +# or SHARED, and provides the relative paths to its source code. +# You can define multiple libraries, and CMake builds them for you. +# Gradle automatically packages shared libraries with your APK. +# +# In this top level CMakeLists.txt, ${CMAKE_PROJECT_NAME} is used to define +# the target library name; in the sub-module's CMakeLists.txt, ${PROJECT_NAME} +# is preferred for the same purpose. +# +# In order to load a library into your app from Java/Kotlin, you must call +# System.loadLibrary() and pass the name of the library defined here; +# for GameActivity/NativeActivity derived applications, the same library name must be +# used in the AndroidManifest.xml file. +add_library(${CMAKE_PROJECT_NAME} SHARED + # List C/C++ source files with relative paths to this CMakeLists.txt. + native-lib.cpp srcs/ipcalc.cpp srcs/scc-service.cpp srcs/tunnel-proxy.cpp cJSON/cJSON.c ${C_HEADS}) + +# Specifies libraries CMake should link to your target library. You +# can link libraries from various origins, such as libraries defined in this +# build script, prebuilt third-party libraries, or Android system libraries. +target_link_libraries(${CMAKE_PROJECT_NAME} + # List libraries link to the target library + android + log) \ No newline at end of file diff --git a/app/src/main/cpp/cJSON/cJSON.c b/app/src/main/cpp/cJSON/cJSON.c new file mode 100644 index 0000000..f6dd11c --- /dev/null +++ b/app/src/main/cpp/cJSON/cJSON.c @@ -0,0 +1,3119 @@ +/* + Copyright (c) 2009-2017 Dave Gamble and cJSON contributors + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +/* cJSON */ +/* JSON parser in C. */ + +/* disable warnings about old C89 functions in MSVC */ +#if !defined(_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER) +#define _CRT_SECURE_NO_DEPRECATE +#endif + +#ifdef __GNUC__ +#pragma GCC visibility push(default) +#endif +#if defined(_MSC_VER) +#pragma warning (push) +/* disable warning about single line comments in system headers */ +#pragma warning (disable : 4001) +#endif + +#include +#include +#include +#include +#include +#include +#include + +#ifdef ENABLE_LOCALES +#include +#endif + +#if defined(_MSC_VER) +#pragma warning (pop) +#endif +#ifdef __GNUC__ +#pragma GCC visibility pop +#endif + +#include "cJSON.h" + +/* define our own boolean type */ +#ifdef true +#undef true +#endif +#define true ((cJSON_bool)1) + +#ifdef false +#undef false +#endif +#define false ((cJSON_bool)0) + +/* define isnan and isinf for ANSI C, if in C99 or above, isnan and isinf has been defined in math.h */ +#ifndef isinf +#define isinf(d) (isnan((d - d)) && !isnan(d)) +#endif +#ifndef isnan +#define isnan(d) (d != d) +#endif + +#ifndef NAN +#ifdef _WIN32 +#define NAN sqrt(-1.0) +#else +#define NAN 0.0/0.0 +#endif +#endif + +typedef struct { + const unsigned char *json; + size_t position; +} error; +static error global_error = { NULL, 0 }; + +CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void) +{ + return (const char*) (global_error.json + global_error.position); +} + +CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item) +{ + if (!cJSON_IsString(item)) + { + return NULL; + } + + return item->valuestring; +} + +CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item) +{ + if (!cJSON_IsNumber(item)) + { + return (double) NAN; + } + + return item->valuedouble; +} + +/* This is a safeguard to prevent copy-pasters from using incompatible C and header files */ +#if (CJSON_VERSION_MAJOR != 1) || (CJSON_VERSION_MINOR != 7) || (CJSON_VERSION_PATCH != 16) + #error cJSON.h and cJSON.c have different versions. Make sure that both have the same. +#endif + +CJSON_PUBLIC(const char*) cJSON_Version(void) +{ + static char version[15]; + sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH); + + return version; +} + +/* Case insensitive string comparison, doesn't consider two NULL pointers equal though */ +static int case_insensitive_strcmp(const unsigned char *string1, const unsigned char *string2) +{ + if ((string1 == NULL) || (string2 == NULL)) + { + return 1; + } + + if (string1 == string2) + { + return 0; + } + + for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++) + { + if (*string1 == '\0') + { + return 0; + } + } + + return tolower(*string1) - tolower(*string2); +} + +typedef struct internal_hooks +{ + void *(CJSON_CDECL *allocate)(size_t size); + void (CJSON_CDECL *deallocate)(void *pointer); + void *(CJSON_CDECL *reallocate)(void *pointer, size_t size); +} internal_hooks; + +#if defined(_MSC_VER) +/* work around MSVC error C2322: '...' address of dllimport '...' is not static */ +static void * CJSON_CDECL internal_malloc(size_t size) +{ + return malloc(size); +} +static void CJSON_CDECL internal_free(void *pointer) +{ + free(pointer); +} +static void * CJSON_CDECL internal_realloc(void *pointer, size_t size) +{ + return realloc(pointer, size); +} +#else +#define internal_malloc malloc +#define internal_free free +#define internal_realloc realloc +#endif + +/* strlen of character literals resolved at compile time */ +#define static_strlen(string_literal) (sizeof(string_literal) - sizeof("")) + +static internal_hooks global_hooks = { internal_malloc, internal_free, internal_realloc }; + +static unsigned char* cJSON_strdup(const unsigned char* string, const internal_hooks * const hooks) +{ + size_t length = 0; + unsigned char *copy = NULL; + + if (string == NULL) + { + return NULL; + } + + length = strlen((const char*)string) + sizeof(""); + copy = (unsigned char*)hooks->allocate(length); + if (copy == NULL) + { + return NULL; + } + memcpy(copy, string, length); + + return copy; +} + +CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks) +{ + if (hooks == NULL) + { + /* Reset hooks */ + global_hooks.allocate = malloc; + global_hooks.deallocate = free; + global_hooks.reallocate = realloc; + return; + } + + global_hooks.allocate = malloc; + if (hooks->malloc_fn != NULL) + { + global_hooks.allocate = hooks->malloc_fn; + } + + global_hooks.deallocate = free; + if (hooks->free_fn != NULL) + { + global_hooks.deallocate = hooks->free_fn; + } + + /* use realloc only if both free and malloc are used */ + global_hooks.reallocate = NULL; + if ((global_hooks.allocate == malloc) && (global_hooks.deallocate == free)) + { + global_hooks.reallocate = realloc; + } +} + +/* Internal constructor. */ +static cJSON *cJSON_New_Item(const internal_hooks * const hooks) +{ + cJSON* node = (cJSON*)hooks->allocate(sizeof(cJSON)); + if (node) + { + memset(node, '\0', sizeof(cJSON)); + } + + return node; +} + +/* Delete a cJSON structure. */ +CJSON_PUBLIC(void) cJSON_Delete(cJSON *item) +{ + cJSON *next = NULL; + while (item != NULL) + { + next = item->next; + if (!(item->type & cJSON_IsReference) && (item->child != NULL)) + { + cJSON_Delete(item->child); + } + if (!(item->type & cJSON_IsReference) && (item->valuestring != NULL)) + { + global_hooks.deallocate(item->valuestring); + } + if (!(item->type & cJSON_StringIsConst) && (item->string != NULL)) + { + global_hooks.deallocate(item->string); + } + global_hooks.deallocate(item); + item = next; + } +} + +/* get the decimal point character of the current locale */ +static unsigned char get_decimal_point(void) +{ +#ifdef ENABLE_LOCALES + struct lconv *lconv = localeconv(); + return (unsigned char) lconv->decimal_point[0]; +#else + return '.'; +#endif +} + +typedef struct +{ + const unsigned char *content; + size_t length; + size_t offset; + size_t depth; /* How deeply nested (in arrays/objects) is the input at the current offset. */ + internal_hooks hooks; +} parse_buffer; + +/* check if the given size is left to read in a given parse buffer (starting with 1) */ +#define can_read(buffer, size) ((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length)) +/* check if the buffer can be accessed at the given index (starting with 0) */ +#define can_access_at_index(buffer, index) ((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length)) +#define cannot_access_at_index(buffer, index) (!can_access_at_index(buffer, index)) +/* get a pointer to the buffer at the position */ +#define buffer_at_offset(buffer) ((buffer)->content + (buffer)->offset) + +/* Parse the input text to generate a number, and populate the result into item. */ +static cJSON_bool parse_number(cJSON * const item, parse_buffer * const input_buffer) +{ + double number = 0; + unsigned char *after_end = NULL; + unsigned char number_c_string[64]; + unsigned char decimal_point = get_decimal_point(); + size_t i = 0; + + if ((input_buffer == NULL) || (input_buffer->content == NULL)) + { + return false; + } + + /* copy the number into a temporary buffer and replace '.' with the decimal point + * of the current locale (for strtod) + * This also takes care of '\0' not necessarily being available for marking the end of the input */ + for (i = 0; (i < (sizeof(number_c_string) - 1)) && can_access_at_index(input_buffer, i); i++) + { + switch (buffer_at_offset(input_buffer)[i]) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + case '+': + case '-': + case 'e': + case 'E': + number_c_string[i] = buffer_at_offset(input_buffer)[i]; + break; + + case '.': + number_c_string[i] = decimal_point; + break; + + default: + goto loop_end; + } + } +loop_end: + number_c_string[i] = '\0'; + + number = strtod((const char*)number_c_string, (char**)&after_end); + if (number_c_string == after_end) + { + return false; /* parse_error */ + } + + item->valuedouble = number; + + /* use saturation in case of overflow */ + if (number >= INT_MAX) + { + item->valueint = INT_MAX; + } + else if (number <= (double)INT_MIN) + { + item->valueint = INT_MIN; + } + else + { + item->valueint = (int)number; + } + + item->type = cJSON_Number; + + input_buffer->offset += (size_t)(after_end - number_c_string); + return true; +} + +/* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */ +CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number) +{ + if (number >= INT_MAX) + { + object->valueint = INT_MAX; + } + else if (number <= (double)INT_MIN) + { + object->valueint = INT_MIN; + } + else + { + object->valueint = (int)number; + } + + return object->valuedouble = number; +} + +CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring) +{ + char *copy = NULL; + /* if object's type is not cJSON_String or is cJSON_IsReference, it should not set valuestring */ + if (!(object->type & cJSON_String) || (object->type & cJSON_IsReference)) + { + return NULL; + } + if (strlen(valuestring) <= strlen(object->valuestring)) + { + strcpy(object->valuestring, valuestring); + return object->valuestring; + } + copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks); + if (copy == NULL) + { + return NULL; + } + if (object->valuestring != NULL) + { + cJSON_free(object->valuestring); + } + object->valuestring = copy; + + return copy; +} + +typedef struct +{ + unsigned char *buffer; + size_t length; + size_t offset; + size_t depth; /* current nesting depth (for formatted printing) */ + cJSON_bool noalloc; + cJSON_bool format; /* is this print a formatted print */ + internal_hooks hooks; +} printbuffer; + +/* realloc printbuffer if necessary to have at least "needed" bytes more */ +static unsigned char* ensure(printbuffer * const p, size_t needed) +{ + unsigned char *newbuffer = NULL; + size_t newsize = 0; + + if ((p == NULL) || (p->buffer == NULL)) + { + return NULL; + } + + if ((p->length > 0) && (p->offset >= p->length)) + { + /* make sure that offset is valid */ + return NULL; + } + + if (needed > INT_MAX) + { + /* sizes bigger than INT_MAX are currently not supported */ + return NULL; + } + + needed += p->offset + 1; + if (needed <= p->length) + { + return p->buffer + p->offset; + } + + if (p->noalloc) { + return NULL; + } + + /* calculate new buffer size */ + if (needed > (INT_MAX / 2)) + { + /* overflow of int, use INT_MAX if possible */ + if (needed <= INT_MAX) + { + newsize = INT_MAX; + } + else + { + return NULL; + } + } + else + { + newsize = needed * 2; + } + + if (p->hooks.reallocate != NULL) + { + /* reallocate with realloc if available */ + newbuffer = (unsigned char*)p->hooks.reallocate(p->buffer, newsize); + if (newbuffer == NULL) + { + p->hooks.deallocate(p->buffer); + p->length = 0; + p->buffer = NULL; + + return NULL; + } + } + else + { + /* otherwise reallocate manually */ + newbuffer = (unsigned char*)p->hooks.allocate(newsize); + if (!newbuffer) + { + p->hooks.deallocate(p->buffer); + p->length = 0; + p->buffer = NULL; + + return NULL; + } + + memcpy(newbuffer, p->buffer, p->offset + 1); + p->hooks.deallocate(p->buffer); + } + p->length = newsize; + p->buffer = newbuffer; + + return newbuffer + p->offset; +} + +/* calculate the new length of the string in a printbuffer and update the offset */ +static void update_offset(printbuffer * const buffer) +{ + const unsigned char *buffer_pointer = NULL; + if ((buffer == NULL) || (buffer->buffer == NULL)) + { + return; + } + buffer_pointer = buffer->buffer + buffer->offset; + + buffer->offset += strlen((const char*)buffer_pointer); +} + +/* securely comparison of floating-point variables */ +static cJSON_bool compare_double(double a, double b) +{ + double maxVal = fabs(a) > fabs(b) ? fabs(a) : fabs(b); + return (fabs(a - b) <= maxVal * DBL_EPSILON); +} + +/* Render the number nicely from the given item into a string. */ +static cJSON_bool print_number(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output_pointer = NULL; + double d = item->valuedouble; + int length = 0; + size_t i = 0; + unsigned char number_buffer[26] = {0}; /* temporary buffer to print the number into */ + unsigned char decimal_point = get_decimal_point(); + double test = 0.0; + + if (output_buffer == NULL) + { + return false; + } + + /* This checks for NaN and Infinity */ + if (isnan(d) || isinf(d)) + { + length = sprintf((char*)number_buffer, "null"); + } + else if(d == (double)item->valueint) + { + length = sprintf((char*)number_buffer, "%d", item->valueint); + } + else + { + /* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */ + length = sprintf((char*)number_buffer, "%1.15g", d); + + /* Check whether the original double can be recovered */ + if ((sscanf((char*)number_buffer, "%lg", &test) != 1) || !compare_double((double)test, d)) + { + /* If not, print with 17 decimal places of precision */ + length = sprintf((char*)number_buffer, "%1.17g", d); + } + } + + /* sprintf failed or buffer overrun occurred */ + if ((length < 0) || (length > (int)(sizeof(number_buffer) - 1))) + { + return false; + } + + /* reserve appropriate space in the output */ + output_pointer = ensure(output_buffer, (size_t)length + sizeof("")); + if (output_pointer == NULL) + { + return false; + } + + /* copy the printed number to the output and replace locale + * dependent decimal point with '.' */ + for (i = 0; i < ((size_t)length); i++) + { + if (number_buffer[i] == decimal_point) + { + output_pointer[i] = '.'; + continue; + } + + output_pointer[i] = number_buffer[i]; + } + output_pointer[i] = '\0'; + + output_buffer->offset += (size_t)length; + + return true; +} + +/* parse 4 digit hexadecimal number */ +static unsigned parse_hex4(const unsigned char * const input) +{ + unsigned int h = 0; + size_t i = 0; + + for (i = 0; i < 4; i++) + { + /* parse digit */ + if ((input[i] >= '0') && (input[i] <= '9')) + { + h += (unsigned int) input[i] - '0'; + } + else if ((input[i] >= 'A') && (input[i] <= 'F')) + { + h += (unsigned int) 10 + input[i] - 'A'; + } + else if ((input[i] >= 'a') && (input[i] <= 'f')) + { + h += (unsigned int) 10 + input[i] - 'a'; + } + else /* invalid */ + { + return 0; + } + + if (i < 3) + { + /* shift left to make place for the next nibble */ + h = h << 4; + } + } + + return h; +} + +/* converts a UTF-16 literal to UTF-8 + * A literal can be one or two sequences of the form \uXXXX */ +static unsigned char utf16_literal_to_utf8(const unsigned char * const input_pointer, const unsigned char * const input_end, unsigned char **output_pointer) +{ + long unsigned int codepoint = 0; + unsigned int first_code = 0; + const unsigned char *first_sequence = input_pointer; + unsigned char utf8_length = 0; + unsigned char utf8_position = 0; + unsigned char sequence_length = 0; + unsigned char first_byte_mark = 0; + + if ((input_end - first_sequence) < 6) + { + /* input ends unexpectedly */ + goto fail; + } + + /* get the first utf16 sequence */ + first_code = parse_hex4(first_sequence + 2); + + /* check that the code is valid */ + if (((first_code >= 0xDC00) && (first_code <= 0xDFFF))) + { + goto fail; + } + + /* UTF16 surrogate pair */ + if ((first_code >= 0xD800) && (first_code <= 0xDBFF)) + { + const unsigned char *second_sequence = first_sequence + 6; + unsigned int second_code = 0; + sequence_length = 12; /* \uXXXX\uXXXX */ + + if ((input_end - second_sequence) < 6) + { + /* input ends unexpectedly */ + goto fail; + } + + if ((second_sequence[0] != '\\') || (second_sequence[1] != 'u')) + { + /* missing second half of the surrogate pair */ + goto fail; + } + + /* get the second utf16 sequence */ + second_code = parse_hex4(second_sequence + 2); + /* check that the code is valid */ + if ((second_code < 0xDC00) || (second_code > 0xDFFF)) + { + /* invalid second half of the surrogate pair */ + goto fail; + } + + + /* calculate the unicode codepoint from the surrogate pair */ + codepoint = 0x10000 + (((first_code & 0x3FF) << 10) | (second_code & 0x3FF)); + } + else + { + sequence_length = 6; /* \uXXXX */ + codepoint = first_code; + } + + /* encode as UTF-8 + * takes at maximum 4 bytes to encode: + * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ + if (codepoint < 0x80) + { + /* normal ascii, encoding 0xxxxxxx */ + utf8_length = 1; + } + else if (codepoint < 0x800) + { + /* two bytes, encoding 110xxxxx 10xxxxxx */ + utf8_length = 2; + first_byte_mark = 0xC0; /* 11000000 */ + } + else if (codepoint < 0x10000) + { + /* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */ + utf8_length = 3; + first_byte_mark = 0xE0; /* 11100000 */ + } + else if (codepoint <= 0x10FFFF) + { + /* four bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx 10xxxxxx */ + utf8_length = 4; + first_byte_mark = 0xF0; /* 11110000 */ + } + else + { + /* invalid unicode codepoint */ + goto fail; + } + + /* encode as utf8 */ + for (utf8_position = (unsigned char)(utf8_length - 1); utf8_position > 0; utf8_position--) + { + /* 10xxxxxx */ + (*output_pointer)[utf8_position] = (unsigned char)((codepoint | 0x80) & 0xBF); + codepoint >>= 6; + } + /* encode first byte */ + if (utf8_length > 1) + { + (*output_pointer)[0] = (unsigned char)((codepoint | first_byte_mark) & 0xFF); + } + else + { + (*output_pointer)[0] = (unsigned char)(codepoint & 0x7F); + } + + *output_pointer += utf8_length; + + return sequence_length; + +fail: + return 0; +} + +/* Parse the input text into an unescaped cinput, and populate item. */ +static cJSON_bool parse_string(cJSON * const item, parse_buffer * const input_buffer) +{ + const unsigned char *input_pointer = buffer_at_offset(input_buffer) + 1; + const unsigned char *input_end = buffer_at_offset(input_buffer) + 1; + unsigned char *output_pointer = NULL; + unsigned char *output = NULL; + + /* not a string */ + if (buffer_at_offset(input_buffer)[0] != '\"') + { + goto fail; + } + + { + /* calculate approximate size of the output (overestimate) */ + size_t allocation_length = 0; + size_t skipped_bytes = 0; + while (((size_t)(input_end - input_buffer->content) < input_buffer->length) && (*input_end != '\"')) + { + /* is escape sequence */ + if (input_end[0] == '\\') + { + if ((size_t)(input_end + 1 - input_buffer->content) >= input_buffer->length) + { + /* prevent buffer overflow when last input character is a backslash */ + goto fail; + } + skipped_bytes++; + input_end++; + } + input_end++; + } + if (((size_t)(input_end - input_buffer->content) >= input_buffer->length) || (*input_end != '\"')) + { + goto fail; /* string ended unexpectedly */ + } + + /* This is at most how much we need for the output */ + allocation_length = (size_t) (input_end - buffer_at_offset(input_buffer)) - skipped_bytes; + output = (unsigned char*)input_buffer->hooks.allocate(allocation_length + sizeof("")); + if (output == NULL) + { + goto fail; /* allocation failure */ + } + } + + output_pointer = output; + /* loop through the string literal */ + while (input_pointer < input_end) + { + if (*input_pointer != '\\') + { + *output_pointer++ = *input_pointer++; + } + /* escape sequence */ + else + { + unsigned char sequence_length = 2; + if ((input_end - input_pointer) < 1) + { + goto fail; + } + + switch (input_pointer[1]) + { + case 'b': + *output_pointer++ = '\b'; + break; + case 'f': + *output_pointer++ = '\f'; + break; + case 'n': + *output_pointer++ = '\n'; + break; + case 'r': + *output_pointer++ = '\r'; + break; + case 't': + *output_pointer++ = '\t'; + break; + case '\"': + case '\\': + case '/': + *output_pointer++ = input_pointer[1]; + break; + + /* UTF-16 literal */ + case 'u': + sequence_length = utf16_literal_to_utf8(input_pointer, input_end, &output_pointer); + if (sequence_length == 0) + { + /* failed to convert UTF16-literal to UTF-8 */ + goto fail; + } + break; + + default: + goto fail; + } + input_pointer += sequence_length; + } + } + + /* zero terminate the output */ + *output_pointer = '\0'; + + item->type = cJSON_String; + item->valuestring = (char*)output; + + input_buffer->offset = (size_t) (input_end - input_buffer->content); + input_buffer->offset++; + + return true; + +fail: + if (output != NULL) + { + input_buffer->hooks.deallocate(output); + } + + if (input_pointer != NULL) + { + input_buffer->offset = (size_t)(input_pointer - input_buffer->content); + } + + return false; +} + +/* Render the cstring provided to an escaped version that can be printed. */ +static cJSON_bool print_string_ptr(const unsigned char * const input, printbuffer * const output_buffer) +{ + const unsigned char *input_pointer = NULL; + unsigned char *output = NULL; + unsigned char *output_pointer = NULL; + size_t output_length = 0; + /* numbers of additional characters needed for escaping */ + size_t escape_characters = 0; + + if (output_buffer == NULL) + { + return false; + } + + /* empty string */ + if (input == NULL) + { + output = ensure(output_buffer, sizeof("\"\"")); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "\"\""); + + return true; + } + + /* set "flag" to 1 if something needs to be escaped */ + for (input_pointer = input; *input_pointer; input_pointer++) + { + switch (*input_pointer) + { + case '\"': + case '\\': + case '\b': + case '\f': + case '\n': + case '\r': + case '\t': + /* one character escape sequence */ + escape_characters++; + break; + default: + if (*input_pointer < 32) + { + /* UTF-16 escape sequence uXXXX */ + escape_characters += 5; + } + break; + } + } + output_length = (size_t)(input_pointer - input) + escape_characters; + + output = ensure(output_buffer, output_length + sizeof("\"\"")); + if (output == NULL) + { + return false; + } + + /* no characters have to be escaped */ + if (escape_characters == 0) + { + output[0] = '\"'; + memcpy(output + 1, input, output_length); + output[output_length + 1] = '\"'; + output[output_length + 2] = '\0'; + + return true; + } + + output[0] = '\"'; + output_pointer = output + 1; + /* copy the string */ + for (input_pointer = input; *input_pointer != '\0'; (void)input_pointer++, output_pointer++) + { + if ((*input_pointer > 31) && (*input_pointer != '\"') && (*input_pointer != '\\')) + { + /* normal character, copy */ + *output_pointer = *input_pointer; + } + else + { + /* character needs to be escaped */ + *output_pointer++ = '\\'; + switch (*input_pointer) + { + case '\\': + *output_pointer = '\\'; + break; + case '\"': + *output_pointer = '\"'; + break; + case '\b': + *output_pointer = 'b'; + break; + case '\f': + *output_pointer = 'f'; + break; + case '\n': + *output_pointer = 'n'; + break; + case '\r': + *output_pointer = 'r'; + break; + case '\t': + *output_pointer = 't'; + break; + default: + /* escape and print as unicode codepoint */ + sprintf((char*)output_pointer, "u%04x", *input_pointer); + output_pointer += 4; + break; + } + } + } + output[output_length + 1] = '\"'; + output[output_length + 2] = '\0'; + + return true; +} + +/* Invoke print_string_ptr (which is useful) on an item. */ +static cJSON_bool print_string(const cJSON * const item, printbuffer * const p) +{ + return print_string_ptr((unsigned char*)item->valuestring, p); +} + +/* Predeclare these prototypes. */ +static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer); +static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer); +static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer); +static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer); +static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer); +static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer); + +/* Utility to jump whitespace and cr/lf */ +static parse_buffer *buffer_skip_whitespace(parse_buffer * const buffer) +{ + if ((buffer == NULL) || (buffer->content == NULL)) + { + return NULL; + } + + if (cannot_access_at_index(buffer, 0)) + { + return buffer; + } + + while (can_access_at_index(buffer, 0) && (buffer_at_offset(buffer)[0] <= 32)) + { + buffer->offset++; + } + + if (buffer->offset == buffer->length) + { + buffer->offset--; + } + + return buffer; +} + +/* skip the UTF-8 BOM (byte order mark) if it is at the beginning of a buffer */ +static parse_buffer *skip_utf8_bom(parse_buffer * const buffer) +{ + if ((buffer == NULL) || (buffer->content == NULL) || (buffer->offset != 0)) + { + return NULL; + } + + if (can_access_at_index(buffer, 4) && (strncmp((const char*)buffer_at_offset(buffer), "\xEF\xBB\xBF", 3) == 0)) + { + buffer->offset += 3; + } + + return buffer; +} + +CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated) +{ + size_t buffer_length; + + if (NULL == value) + { + return NULL; + } + + /* Adding null character size due to require_null_terminated. */ + buffer_length = strlen(value) + sizeof(""); + + return cJSON_ParseWithLengthOpts(value, buffer_length, return_parse_end, require_null_terminated); +} + +/* Parse an object - create a new root, and populate. */ +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, const char **return_parse_end, cJSON_bool require_null_terminated) +{ + parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } }; + cJSON *item = NULL; + + /* reset error position */ + global_error.json = NULL; + global_error.position = 0; + + if (value == NULL || 0 == buffer_length) + { + goto fail; + } + + buffer.content = (const unsigned char*)value; + buffer.length = buffer_length; + buffer.offset = 0; + buffer.hooks = global_hooks; + + item = cJSON_New_Item(&global_hooks); + if (item == NULL) /* memory fail */ + { + goto fail; + } + + if (!parse_value(item, buffer_skip_whitespace(skip_utf8_bom(&buffer)))) + { + /* parse failure. ep is set. */ + goto fail; + } + + /* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */ + if (require_null_terminated) + { + buffer_skip_whitespace(&buffer); + if ((buffer.offset >= buffer.length) || buffer_at_offset(&buffer)[0] != '\0') + { + goto fail; + } + } + if (return_parse_end) + { + *return_parse_end = (const char*)buffer_at_offset(&buffer); + } + + return item; + +fail: + if (item != NULL) + { + cJSON_Delete(item); + } + + if (value != NULL) + { + error local_error; + local_error.json = (const unsigned char*)value; + local_error.position = 0; + + if (buffer.offset < buffer.length) + { + local_error.position = buffer.offset; + } + else if (buffer.length > 0) + { + local_error.position = buffer.length - 1; + } + + if (return_parse_end != NULL) + { + *return_parse_end = (const char*)local_error.json + local_error.position; + } + + global_error = local_error; + } + + return NULL; +} + +/* Default options for cJSON_Parse */ +CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value) +{ + return cJSON_ParseWithOpts(value, 0, 0); +} + +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLength(const char *value, size_t buffer_length) +{ + return cJSON_ParseWithLengthOpts(value, buffer_length, 0, 0); +} + +#define cjson_min(a, b) (((a) < (b)) ? (a) : (b)) + +static unsigned char *print(const cJSON * const item, cJSON_bool format, const internal_hooks * const hooks) +{ + static const size_t default_buffer_size = 256; + printbuffer buffer[1]; + unsigned char *printed = NULL; + + memset(buffer, 0, sizeof(buffer)); + + /* create buffer */ + buffer->buffer = (unsigned char*) hooks->allocate(default_buffer_size); + buffer->length = default_buffer_size; + buffer->format = format; + buffer->hooks = *hooks; + if (buffer->buffer == NULL) + { + goto fail; + } + + /* print the value */ + if (!print_value(item, buffer)) + { + goto fail; + } + update_offset(buffer); + + /* check if reallocate is available */ + if (hooks->reallocate != NULL) + { + printed = (unsigned char*) hooks->reallocate(buffer->buffer, buffer->offset + 1); + if (printed == NULL) { + goto fail; + } + buffer->buffer = NULL; + } + else /* otherwise copy the JSON over to a new buffer */ + { + printed = (unsigned char*) hooks->allocate(buffer->offset + 1); + if (printed == NULL) + { + goto fail; + } + memcpy(printed, buffer->buffer, cjson_min(buffer->length, buffer->offset + 1)); + printed[buffer->offset] = '\0'; /* just to be sure */ + + /* free the buffer */ + hooks->deallocate(buffer->buffer); + } + + return printed; + +fail: + if (buffer->buffer != NULL) + { + hooks->deallocate(buffer->buffer); + } + + if (printed != NULL) + { + hooks->deallocate(printed); + } + + return NULL; +} + +/* Render a cJSON item/entity/structure to text. */ +CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item) +{ + return (char*)print(item, true, &global_hooks); +} + +CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item) +{ + return (char*)print(item, false, &global_hooks); +} + +CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt) +{ + printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } }; + + if (prebuffer < 0) + { + return NULL; + } + + p.buffer = (unsigned char*)global_hooks.allocate((size_t)prebuffer); + if (!p.buffer) + { + return NULL; + } + + p.length = (size_t)prebuffer; + p.offset = 0; + p.noalloc = false; + p.format = fmt; + p.hooks = global_hooks; + + if (!print_value(item, &p)) + { + global_hooks.deallocate(p.buffer); + return NULL; + } + + return (char*)p.buffer; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format) +{ + printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } }; + + if ((length < 0) || (buffer == NULL)) + { + return false; + } + + p.buffer = (unsigned char*)buffer; + p.length = (size_t)length; + p.offset = 0; + p.noalloc = true; + p.format = format; + p.hooks = global_hooks; + + return print_value(item, &p); +} + +/* Parser core - when encountering text, process appropriately. */ +static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer) +{ + if ((input_buffer == NULL) || (input_buffer->content == NULL)) + { + return false; /* no input */ + } + + /* parse the different types of values */ + /* null */ + if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "null", 4) == 0)) + { + item->type = cJSON_NULL; + input_buffer->offset += 4; + return true; + } + /* false */ + if (can_read(input_buffer, 5) && (strncmp((const char*)buffer_at_offset(input_buffer), "false", 5) == 0)) + { + item->type = cJSON_False; + input_buffer->offset += 5; + return true; + } + /* true */ + if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "true", 4) == 0)) + { + item->type = cJSON_True; + item->valueint = 1; + input_buffer->offset += 4; + return true; + } + /* string */ + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '\"')) + { + return parse_string(item, input_buffer); + } + /* number */ + if (can_access_at_index(input_buffer, 0) && ((buffer_at_offset(input_buffer)[0] == '-') || ((buffer_at_offset(input_buffer)[0] >= '0') && (buffer_at_offset(input_buffer)[0] <= '9')))) + { + return parse_number(item, input_buffer); + } + /* array */ + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '[')) + { + return parse_array(item, input_buffer); + } + /* object */ + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '{')) + { + return parse_object(item, input_buffer); + } + + return false; +} + +/* Render a value to text. */ +static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output = NULL; + + if ((item == NULL) || (output_buffer == NULL)) + { + return false; + } + + switch ((item->type) & 0xFF) + { + case cJSON_NULL: + output = ensure(output_buffer, 5); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "null"); + return true; + + case cJSON_False: + output = ensure(output_buffer, 6); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "false"); + return true; + + case cJSON_True: + output = ensure(output_buffer, 5); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "true"); + return true; + + case cJSON_Number: + return print_number(item, output_buffer); + + case cJSON_Raw: + { + size_t raw_length = 0; + if (item->valuestring == NULL) + { + return false; + } + + raw_length = strlen(item->valuestring) + sizeof(""); + output = ensure(output_buffer, raw_length); + if (output == NULL) + { + return false; + } + memcpy(output, item->valuestring, raw_length); + return true; + } + + case cJSON_String: + return print_string(item, output_buffer); + + case cJSON_Array: + return print_array(item, output_buffer); + + case cJSON_Object: + return print_object(item, output_buffer); + + default: + return false; + } +} + +/* Build an array from input text. */ +static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer) +{ + cJSON *head = NULL; /* head of the linked list */ + cJSON *current_item = NULL; + + if (input_buffer->depth >= CJSON_NESTING_LIMIT) + { + return false; /* to deeply nested */ + } + input_buffer->depth++; + + if (buffer_at_offset(input_buffer)[0] != '[') + { + /* not an array */ + goto fail; + } + + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ']')) + { + /* empty array */ + goto success; + } + + /* check if we skipped to the end of the buffer */ + if (cannot_access_at_index(input_buffer, 0)) + { + input_buffer->offset--; + goto fail; + } + + /* step back to character in front of the first element */ + input_buffer->offset--; + /* loop through the comma separated array elements */ + do + { + /* allocate next item */ + cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks)); + if (new_item == NULL) + { + goto fail; /* allocation failure */ + } + + /* attach next item to list */ + if (head == NULL) + { + /* start the linked list */ + current_item = head = new_item; + } + else + { + /* add to the end and advance */ + current_item->next = new_item; + new_item->prev = current_item; + current_item = new_item; + } + + /* parse next value */ + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (!parse_value(current_item, input_buffer)) + { + goto fail; /* failed to parse value */ + } + buffer_skip_whitespace(input_buffer); + } + while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ',')); + + if (cannot_access_at_index(input_buffer, 0) || buffer_at_offset(input_buffer)[0] != ']') + { + goto fail; /* expected end of array */ + } + +success: + input_buffer->depth--; + + if (head != NULL) { + head->prev = current_item; + } + + item->type = cJSON_Array; + item->child = head; + + input_buffer->offset++; + + return true; + +fail: + if (head != NULL) + { + cJSON_Delete(head); + } + + return false; +} + +/* Render an array to text */ +static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output_pointer = NULL; + size_t length = 0; + cJSON *current_element = item->child; + + if (output_buffer == NULL) + { + return false; + } + + /* Compose the output array. */ + /* opening square bracket */ + output_pointer = ensure(output_buffer, 1); + if (output_pointer == NULL) + { + return false; + } + + *output_pointer = '['; + output_buffer->offset++; + output_buffer->depth++; + + while (current_element != NULL) + { + if (!print_value(current_element, output_buffer)) + { + return false; + } + update_offset(output_buffer); + if (current_element->next) + { + length = (size_t) (output_buffer->format ? 2 : 1); + output_pointer = ensure(output_buffer, length + 1); + if (output_pointer == NULL) + { + return false; + } + *output_pointer++ = ','; + if(output_buffer->format) + { + *output_pointer++ = ' '; + } + *output_pointer = '\0'; + output_buffer->offset += length; + } + current_element = current_element->next; + } + + output_pointer = ensure(output_buffer, 2); + if (output_pointer == NULL) + { + return false; + } + *output_pointer++ = ']'; + *output_pointer = '\0'; + output_buffer->depth--; + + return true; +} + +/* Build an object from the text. */ +static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer) +{ + cJSON *head = NULL; /* linked list head */ + cJSON *current_item = NULL; + + if (input_buffer->depth >= CJSON_NESTING_LIMIT) + { + return false; /* to deeply nested */ + } + input_buffer->depth++; + + if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '{')) + { + goto fail; /* not an object */ + } + + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '}')) + { + goto success; /* empty object */ + } + + /* check if we skipped to the end of the buffer */ + if (cannot_access_at_index(input_buffer, 0)) + { + input_buffer->offset--; + goto fail; + } + + /* step back to character in front of the first element */ + input_buffer->offset--; + /* loop through the comma separated array elements */ + do + { + /* allocate next item */ + cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks)); + if (new_item == NULL) + { + goto fail; /* allocation failure */ + } + + /* attach next item to list */ + if (head == NULL) + { + /* start the linked list */ + current_item = head = new_item; + } + else + { + /* add to the end and advance */ + current_item->next = new_item; + new_item->prev = current_item; + current_item = new_item; + } + + /* parse the name of the child */ + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (!parse_string(current_item, input_buffer)) + { + goto fail; /* failed to parse name */ + } + buffer_skip_whitespace(input_buffer); + + /* swap valuestring and string, because we parsed the name */ + current_item->string = current_item->valuestring; + current_item->valuestring = NULL; + + if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != ':')) + { + goto fail; /* invalid object */ + } + + /* parse the value */ + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (!parse_value(current_item, input_buffer)) + { + goto fail; /* failed to parse value */ + } + buffer_skip_whitespace(input_buffer); + } + while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ',')); + + if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '}')) + { + goto fail; /* expected end of object */ + } + +success: + input_buffer->depth--; + + if (head != NULL) { + head->prev = current_item; + } + + item->type = cJSON_Object; + item->child = head; + + input_buffer->offset++; + return true; + +fail: + if (head != NULL) + { + cJSON_Delete(head); + } + + return false; +} + +/* Render an object to text. */ +static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output_pointer = NULL; + size_t length = 0; + cJSON *current_item = item->child; + + if (output_buffer == NULL) + { + return false; + } + + /* Compose the output: */ + length = (size_t) (output_buffer->format ? 2 : 1); /* fmt: {\n */ + output_pointer = ensure(output_buffer, length + 1); + if (output_pointer == NULL) + { + return false; + } + + *output_pointer++ = '{'; + output_buffer->depth++; + if (output_buffer->format) + { + *output_pointer++ = '\n'; + } + output_buffer->offset += length; + + while (current_item) + { + if (output_buffer->format) + { + size_t i; + output_pointer = ensure(output_buffer, output_buffer->depth); + if (output_pointer == NULL) + { + return false; + } + for (i = 0; i < output_buffer->depth; i++) + { + *output_pointer++ = '\t'; + } + output_buffer->offset += output_buffer->depth; + } + + /* print key */ + if (!print_string_ptr((unsigned char*)current_item->string, output_buffer)) + { + return false; + } + update_offset(output_buffer); + + length = (size_t) (output_buffer->format ? 2 : 1); + output_pointer = ensure(output_buffer, length); + if (output_pointer == NULL) + { + return false; + } + *output_pointer++ = ':'; + if (output_buffer->format) + { + *output_pointer++ = '\t'; + } + output_buffer->offset += length; + + /* print value */ + if (!print_value(current_item, output_buffer)) + { + return false; + } + update_offset(output_buffer); + + /* print comma if not last */ + length = ((size_t)(output_buffer->format ? 1 : 0) + (size_t)(current_item->next ? 1 : 0)); + output_pointer = ensure(output_buffer, length + 1); + if (output_pointer == NULL) + { + return false; + } + if (current_item->next) + { + *output_pointer++ = ','; + } + + if (output_buffer->format) + { + *output_pointer++ = '\n'; + } + *output_pointer = '\0'; + output_buffer->offset += length; + + current_item = current_item->next; + } + + output_pointer = ensure(output_buffer, output_buffer->format ? (output_buffer->depth + 1) : 2); + if (output_pointer == NULL) + { + return false; + } + if (output_buffer->format) + { + size_t i; + for (i = 0; i < (output_buffer->depth - 1); i++) + { + *output_pointer++ = '\t'; + } + } + *output_pointer++ = '}'; + *output_pointer = '\0'; + output_buffer->depth--; + + return true; +} + +/* Get Array size/item / object item. */ +CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array) +{ + cJSON *child = NULL; + size_t size = 0; + + if (array == NULL) + { + return 0; + } + + child = array->child; + + while(child != NULL) + { + size++; + child = child->next; + } + + /* FIXME: Can overflow here. Cannot be fixed without breaking the API */ + + return (int)size; +} + +static cJSON* get_array_item(const cJSON *array, size_t index) +{ + cJSON *current_child = NULL; + + if (array == NULL) + { + return NULL; + } + + current_child = array->child; + while ((current_child != NULL) && (index > 0)) + { + index--; + current_child = current_child->next; + } + + return current_child; +} + +CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index) +{ + if (index < 0) + { + return NULL; + } + + return get_array_item(array, (size_t)index); +} + +static cJSON *get_object_item(const cJSON * const object, const char * const name, const cJSON_bool case_sensitive) +{ + cJSON *current_element = NULL; + + if ((object == NULL) || (name == NULL)) + { + return NULL; + } + + current_element = object->child; + if (case_sensitive) + { + while ((current_element != NULL) && (current_element->string != NULL) && (strcmp(name, current_element->string) != 0)) + { + current_element = current_element->next; + } + } + else + { + while ((current_element != NULL) && (case_insensitive_strcmp((const unsigned char*)name, (const unsigned char*)(current_element->string)) != 0)) + { + current_element = current_element->next; + } + } + + if ((current_element == NULL) || (current_element->string == NULL)) { + return NULL; + } + + return current_element; +} + +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string) +{ + return get_object_item(object, string, false); +} + +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string) +{ + return get_object_item(object, string, true); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string) +{ + return cJSON_GetObjectItem(object, string) ? 1 : 0; +} + +/* Utility for array list handling. */ +static void suffix_object(cJSON *prev, cJSON *item) +{ + prev->next = item; + item->prev = prev; +} + +/* Utility for handling references. */ +static cJSON *create_reference(const cJSON *item, const internal_hooks * const hooks) +{ + cJSON *reference = NULL; + if (item == NULL) + { + return NULL; + } + + reference = cJSON_New_Item(hooks); + if (reference == NULL) + { + return NULL; + } + + memcpy(reference, item, sizeof(cJSON)); + reference->string = NULL; + reference->type |= cJSON_IsReference; + reference->next = reference->prev = NULL; + return reference; +} + +static cJSON_bool add_item_to_array(cJSON *array, cJSON *item) +{ + cJSON *child = NULL; + + if ((item == NULL) || (array == NULL) || (array == item)) + { + return false; + } + + child = array->child; + /* + * To find the last item in array quickly, we use prev in array + */ + if (child == NULL) + { + /* list is empty, start new one */ + array->child = item; + item->prev = item; + item->next = NULL; + } + else + { + /* append to the end */ + if (child->prev) + { + suffix_object(child->prev, item); + array->child->prev = item; + } + } + + return true; +} + +/* Add item to array/object. */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item) +{ + return add_item_to_array(array, item); +} + +#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) + #pragma GCC diagnostic push +#endif +#ifdef __GNUC__ +#pragma GCC diagnostic ignored "-Wcast-qual" +#endif +/* helper function to cast away const */ +static void* cast_away_const(const void* string) +{ + return (void*)string; +} +#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) + #pragma GCC diagnostic pop +#endif + + +static cJSON_bool add_item_to_object(cJSON * const object, const char * const string, cJSON * const item, const internal_hooks * const hooks, const cJSON_bool constant_key) +{ + char *new_key = NULL; + int new_type = cJSON_Invalid; + + if ((object == NULL) || (string == NULL) || (item == NULL) || (object == item)) + { + return false; + } + + if (constant_key) + { + new_key = (char*)cast_away_const(string); + new_type = item->type | cJSON_StringIsConst; + } + else + { + new_key = (char*)cJSON_strdup((const unsigned char*)string, hooks); + if (new_key == NULL) + { + return false; + } + + new_type = item->type & ~cJSON_StringIsConst; + } + + if (!(item->type & cJSON_StringIsConst) && (item->string != NULL)) + { + hooks->deallocate(item->string); + } + + item->string = new_key; + item->type = new_type; + + return add_item_to_array(object, item); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item) +{ + return add_item_to_object(object, string, item, &global_hooks, false); +} + +/* Add an item to an object with constant string as key */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item) +{ + return add_item_to_object(object, string, item, &global_hooks, true); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) +{ + if (array == NULL) + { + return false; + } + + return add_item_to_array(array, create_reference(item, &global_hooks)); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item) +{ + if ((object == NULL) || (string == NULL)) + { + return false; + } + + return add_item_to_object(object, string, create_reference(item, &global_hooks), &global_hooks, false); +} + +CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name) +{ + cJSON *null = cJSON_CreateNull(); + if (add_item_to_object(object, name, null, &global_hooks, false)) + { + return null; + } + + cJSON_Delete(null); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddTrueToObject(cJSON * const object, const char * const name) +{ + cJSON *true_item = cJSON_CreateTrue(); + if (add_item_to_object(object, name, true_item, &global_hooks, false)) + { + return true_item; + } + + cJSON_Delete(true_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddFalseToObject(cJSON * const object, const char * const name) +{ + cJSON *false_item = cJSON_CreateFalse(); + if (add_item_to_object(object, name, false_item, &global_hooks, false)) + { + return false_item; + } + + cJSON_Delete(false_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddBoolToObject(cJSON * const object, const char * const name, const cJSON_bool boolean) +{ + cJSON *bool_item = cJSON_CreateBool(boolean); + if (add_item_to_object(object, name, bool_item, &global_hooks, false)) + { + return bool_item; + } + + cJSON_Delete(bool_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddNumberToObject(cJSON * const object, const char * const name, const double number) +{ + cJSON *number_item = cJSON_CreateNumber(number); + if (add_item_to_object(object, name, number_item, &global_hooks, false)) + { + return number_item; + } + + cJSON_Delete(number_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string) +{ + cJSON *string_item = cJSON_CreateString(string); + if (add_item_to_object(object, name, string_item, &global_hooks, false)) + { + return string_item; + } + + cJSON_Delete(string_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddRawToObject(cJSON * const object, const char * const name, const char * const raw) +{ + cJSON *raw_item = cJSON_CreateRaw(raw); + if (add_item_to_object(object, name, raw_item, &global_hooks, false)) + { + return raw_item; + } + + cJSON_Delete(raw_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddObjectToObject(cJSON * const object, const char * const name) +{ + cJSON *object_item = cJSON_CreateObject(); + if (add_item_to_object(object, name, object_item, &global_hooks, false)) + { + return object_item; + } + + cJSON_Delete(object_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddArrayToObject(cJSON * const object, const char * const name) +{ + cJSON *array = cJSON_CreateArray(); + if (add_item_to_object(object, name, array, &global_hooks, false)) + { + return array; + } + + cJSON_Delete(array); + return NULL; +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item) +{ + if ((parent == NULL) || (item == NULL)) + { + return NULL; + } + + if (item != parent->child) + { + /* not the first element */ + item->prev->next = item->next; + } + if (item->next != NULL) + { + /* not the last element */ + item->next->prev = item->prev; + } + + if (item == parent->child) + { + /* first element */ + parent->child = item->next; + } + else if (item->next == NULL) + { + /* last element */ + parent->child->prev = item->prev; + } + + /* make sure the detached item doesn't point anywhere anymore */ + item->prev = NULL; + item->next = NULL; + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which) +{ + if (which < 0) + { + return NULL; + } + + return cJSON_DetachItemViaPointer(array, get_array_item(array, (size_t)which)); +} + +CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which) +{ + cJSON_Delete(cJSON_DetachItemFromArray(array, which)); +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string) +{ + cJSON *to_detach = cJSON_GetObjectItem(object, string); + + return cJSON_DetachItemViaPointer(object, to_detach); +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string) +{ + cJSON *to_detach = cJSON_GetObjectItemCaseSensitive(object, string); + + return cJSON_DetachItemViaPointer(object, to_detach); +} + +CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string) +{ + cJSON_Delete(cJSON_DetachItemFromObject(object, string)); +} + +CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string) +{ + cJSON_Delete(cJSON_DetachItemFromObjectCaseSensitive(object, string)); +} + +/* Replace array/object items with new ones. */ +CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem) +{ + cJSON *after_inserted = NULL; + + if (which < 0) + { + return false; + } + + after_inserted = get_array_item(array, (size_t)which); + if (after_inserted == NULL) + { + return add_item_to_array(array, newitem); + } + + newitem->next = after_inserted; + newitem->prev = after_inserted->prev; + after_inserted->prev = newitem; + if (after_inserted == array->child) + { + array->child = newitem; + } + else + { + newitem->prev->next = newitem; + } + return true; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement) +{ + if ((parent == NULL) || (parent->child == NULL) || (replacement == NULL) || (item == NULL)) + { + return false; + } + + if (replacement == item) + { + return true; + } + + replacement->next = item->next; + replacement->prev = item->prev; + + if (replacement->next != NULL) + { + replacement->next->prev = replacement; + } + if (parent->child == item) + { + if (parent->child->prev == parent->child) + { + replacement->prev = replacement; + } + parent->child = replacement; + } + else + { /* + * To find the last item in array quickly, we use prev in array. + * We can't modify the last item's next pointer where this item was the parent's child + */ + if (replacement->prev != NULL) + { + replacement->prev->next = replacement; + } + if (replacement->next == NULL) + { + parent->child->prev = replacement; + } + } + + item->next = NULL; + item->prev = NULL; + cJSON_Delete(item); + + return true; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem) +{ + if (which < 0) + { + return false; + } + + return cJSON_ReplaceItemViaPointer(array, get_array_item(array, (size_t)which), newitem); +} + +static cJSON_bool replace_item_in_object(cJSON *object, const char *string, cJSON *replacement, cJSON_bool case_sensitive) +{ + if ((replacement == NULL) || (string == NULL)) + { + return false; + } + + /* replace the name in the replacement */ + if (!(replacement->type & cJSON_StringIsConst) && (replacement->string != NULL)) + { + cJSON_free(replacement->string); + } + replacement->string = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks); + if (replacement->string == NULL) + { + return false; + } + + replacement->type &= ~cJSON_StringIsConst; + + return cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem) +{ + return replace_item_in_object(object, string, newitem, false); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem) +{ + return replace_item_in_object(object, string, newitem, true); +} + +/* Create basic types: */ +CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_NULL; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_True; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_False; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = boolean ? cJSON_True : cJSON_False; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_Number; + item->valuedouble = num; + + /* use saturation in case of overflow */ + if (num >= INT_MAX) + { + item->valueint = INT_MAX; + } + else if (num <= (double)INT_MIN) + { + item->valueint = INT_MIN; + } + else + { + item->valueint = (int)num; + } + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_String; + item->valuestring = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks); + if(!item->valuestring) + { + cJSON_Delete(item); + return NULL; + } + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if (item != NULL) + { + item->type = cJSON_String | cJSON_IsReference; + item->valuestring = (char*)cast_away_const(string); + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if (item != NULL) { + item->type = cJSON_Object | cJSON_IsReference; + item->child = (cJSON*)cast_away_const(child); + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child) { + cJSON *item = cJSON_New_Item(&global_hooks); + if (item != NULL) { + item->type = cJSON_Array | cJSON_IsReference; + item->child = (cJSON*)cast_away_const(child); + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_Raw; + item->valuestring = (char*)cJSON_strdup((const unsigned char*)raw, &global_hooks); + if(!item->valuestring) + { + cJSON_Delete(item); + return NULL; + } + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type=cJSON_Array; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if (item) + { + item->type = cJSON_Object; + } + + return item; +} + +/* Create Arrays: */ +CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (numbers == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for(i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateNumber(numbers[i]); + if (!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p, n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (numbers == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for(i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateNumber((double)numbers[i]); + if(!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p, n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (numbers == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for(i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateNumber(numbers[i]); + if(!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p, n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *strings, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (strings == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for (i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateString(strings[i]); + if(!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p,n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +/* Duplication */ +CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse) +{ + cJSON *newitem = NULL; + cJSON *child = NULL; + cJSON *next = NULL; + cJSON *newchild = NULL; + + /* Bail on bad ptr */ + if (!item) + { + goto fail; + } + /* Create new item */ + newitem = cJSON_New_Item(&global_hooks); + if (!newitem) + { + goto fail; + } + /* Copy over all vars */ + newitem->type = item->type & (~cJSON_IsReference); + newitem->valueint = item->valueint; + newitem->valuedouble = item->valuedouble; + if (item->valuestring) + { + newitem->valuestring = (char*)cJSON_strdup((unsigned char*)item->valuestring, &global_hooks); + if (!newitem->valuestring) + { + goto fail; + } + } + if (item->string) + { + newitem->string = (item->type&cJSON_StringIsConst) ? item->string : (char*)cJSON_strdup((unsigned char*)item->string, &global_hooks); + if (!newitem->string) + { + goto fail; + } + } + /* If non-recursive, then we're done! */ + if (!recurse) + { + return newitem; + } + /* Walk the ->next chain for the child. */ + child = item->child; + while (child != NULL) + { + newchild = cJSON_Duplicate(child, true); /* Duplicate (with recurse) each item in the ->next chain */ + if (!newchild) + { + goto fail; + } + if (next != NULL) + { + /* If newitem->child already set, then crosswire ->prev and ->next and move on */ + next->next = newchild; + newchild->prev = next; + next = newchild; + } + else + { + /* Set newitem->child and move to it */ + newitem->child = newchild; + next = newchild; + } + child = child->next; + } + if (newitem && newitem->child) + { + newitem->child->prev = newchild; + } + + return newitem; + +fail: + if (newitem != NULL) + { + cJSON_Delete(newitem); + } + + return NULL; +} + +static void skip_oneline_comment(char **input) +{ + *input += static_strlen("//"); + + for (; (*input)[0] != '\0'; ++(*input)) + { + if ((*input)[0] == '\n') { + *input += static_strlen("\n"); + return; + } + } +} + +static void skip_multiline_comment(char **input) +{ + *input += static_strlen("/*"); + + for (; (*input)[0] != '\0'; ++(*input)) + { + if (((*input)[0] == '*') && ((*input)[1] == '/')) + { + *input += static_strlen("*/"); + return; + } + } +} + +static void minify_string(char **input, char **output) { + (*output)[0] = (*input)[0]; + *input += static_strlen("\""); + *output += static_strlen("\""); + + + for (; (*input)[0] != '\0'; (void)++(*input), ++(*output)) { + (*output)[0] = (*input)[0]; + + if ((*input)[0] == '\"') { + (*output)[0] = '\"'; + *input += static_strlen("\""); + *output += static_strlen("\""); + return; + } else if (((*input)[0] == '\\') && ((*input)[1] == '\"')) { + (*output)[1] = (*input)[1]; + *input += static_strlen("\""); + *output += static_strlen("\""); + } + } +} + +CJSON_PUBLIC(void) cJSON_Minify(char *json) +{ + char *into = json; + + if (json == NULL) + { + return; + } + + while (json[0] != '\0') + { + switch (json[0]) + { + case ' ': + case '\t': + case '\r': + case '\n': + json++; + break; + + case '/': + if (json[1] == '/') + { + skip_oneline_comment(&json); + } + else if (json[1] == '*') + { + skip_multiline_comment(&json); + } else { + json++; + } + break; + + case '\"': + minify_string(&json, (char**)&into); + break; + + default: + into[0] = json[0]; + json++; + into++; + } + } + + /* and null-terminate. */ + *into = '\0'; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Invalid; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_False; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xff) == cJSON_True; +} + + +CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & (cJSON_True | cJSON_False)) != 0; +} +CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_NULL; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Number; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_String; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Array; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Object; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Raw; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive) +{ + if ((a == NULL) || (b == NULL) || ((a->type & 0xFF) != (b->type & 0xFF))) + { + return false; + } + + /* check if type is valid */ + switch (a->type & 0xFF) + { + case cJSON_False: + case cJSON_True: + case cJSON_NULL: + case cJSON_Number: + case cJSON_String: + case cJSON_Raw: + case cJSON_Array: + case cJSON_Object: + break; + + default: + return false; + } + + /* identical objects are equal */ + if (a == b) + { + return true; + } + + switch (a->type & 0xFF) + { + /* in these cases and equal type is enough */ + case cJSON_False: + case cJSON_True: + case cJSON_NULL: + return true; + + case cJSON_Number: + if (compare_double(a->valuedouble, b->valuedouble)) + { + return true; + } + return false; + + case cJSON_String: + case cJSON_Raw: + if ((a->valuestring == NULL) || (b->valuestring == NULL)) + { + return false; + } + if (strcmp(a->valuestring, b->valuestring) == 0) + { + return true; + } + + return false; + + case cJSON_Array: + { + cJSON *a_element = a->child; + cJSON *b_element = b->child; + + for (; (a_element != NULL) && (b_element != NULL);) + { + if (!cJSON_Compare(a_element, b_element, case_sensitive)) + { + return false; + } + + a_element = a_element->next; + b_element = b_element->next; + } + + /* one of the arrays is longer than the other */ + if (a_element != b_element) { + return false; + } + + return true; + } + + case cJSON_Object: + { + cJSON *a_element = NULL; + cJSON *b_element = NULL; + cJSON_ArrayForEach(a_element, a) + { + /* TODO This has O(n^2) runtime, which is horrible! */ + b_element = get_object_item(b, a_element->string, case_sensitive); + if (b_element == NULL) + { + return false; + } + + if (!cJSON_Compare(a_element, b_element, case_sensitive)) + { + return false; + } + } + + /* doing this twice, once on a and b to prevent true comparison if a subset of b + * TODO: Do this the proper way, this is just a fix for now */ + cJSON_ArrayForEach(b_element, b) + { + a_element = get_object_item(a, b_element->string, case_sensitive); + if (a_element == NULL) + { + return false; + } + + if (!cJSON_Compare(b_element, a_element, case_sensitive)) + { + return false; + } + } + + return true; + } + + default: + return false; + } +} + +CJSON_PUBLIC(void *) cJSON_malloc(size_t size) +{ + return global_hooks.allocate(size); +} + +CJSON_PUBLIC(void) cJSON_free(void *object) +{ + global_hooks.deallocate(object); +} diff --git a/app/src/main/cpp/cJSON/cJSON.h b/app/src/main/cpp/cJSON/cJSON.h new file mode 100644 index 0000000..2628d76 --- /dev/null +++ b/app/src/main/cpp/cJSON/cJSON.h @@ -0,0 +1,300 @@ +/* + Copyright (c) 2009-2017 Dave Gamble and cJSON contributors + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +#ifndef cJSON__h +#define cJSON__h + +#ifdef __cplusplus +extern "C" +{ +#endif + +#if !defined(__WINDOWS__) && (defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32)) +#define __WINDOWS__ +#endif + +#ifdef __WINDOWS__ + +/* When compiling for windows, we specify a specific calling convention to avoid issues where we are being called from a project with a different default calling convention. For windows you have 3 define options: + +CJSON_HIDE_SYMBOLS - Define this in the case where you don't want to ever dllexport symbols +CJSON_EXPORT_SYMBOLS - Define this on library build when you want to dllexport symbols (default) +CJSON_IMPORT_SYMBOLS - Define this if you want to dllimport symbol + +For *nix builds that support visibility attribute, you can define similar behavior by + +setting default visibility to hidden by adding +-fvisibility=hidden (for gcc) +or +-xldscope=hidden (for sun cc) +to CFLAGS + +then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way CJSON_EXPORT_SYMBOLS does + +*/ + +#define CJSON_CDECL __cdecl +#define CJSON_STDCALL __stdcall + +/* export symbols by default, this is necessary for copy pasting the C and header file */ +#if !defined(CJSON_HIDE_SYMBOLS) && !defined(CJSON_IMPORT_SYMBOLS) && !defined(CJSON_EXPORT_SYMBOLS) +#define CJSON_EXPORT_SYMBOLS +#endif + +#if defined(CJSON_HIDE_SYMBOLS) +#define CJSON_PUBLIC(type) type CJSON_STDCALL +#elif defined(CJSON_EXPORT_SYMBOLS) +#define CJSON_PUBLIC(type) __declspec(dllexport) type CJSON_STDCALL +#elif defined(CJSON_IMPORT_SYMBOLS) +#define CJSON_PUBLIC(type) __declspec(dllimport) type CJSON_STDCALL +#endif +#else /* !__WINDOWS__ */ +#define CJSON_CDECL +#define CJSON_STDCALL + +#if (defined(__GNUC__) || defined(__SUNPRO_CC) || defined (__SUNPRO_C)) && defined(CJSON_API_VISIBILITY) +#define CJSON_PUBLIC(type) __attribute__((visibility("default"))) type +#else +#define CJSON_PUBLIC(type) type +#endif +#endif + +/* project version */ +#define CJSON_VERSION_MAJOR 1 +#define CJSON_VERSION_MINOR 7 +#define CJSON_VERSION_PATCH 16 + +#include + +/* cJSON Types: */ +#define cJSON_Invalid (0) +#define cJSON_False (1 << 0) +#define cJSON_True (1 << 1) +#define cJSON_NULL (1 << 2) +#define cJSON_Number (1 << 3) +#define cJSON_String (1 << 4) +#define cJSON_Array (1 << 5) +#define cJSON_Object (1 << 6) +#define cJSON_Raw (1 << 7) /* raw json */ + +#define cJSON_IsReference 256 +#define cJSON_StringIsConst 512 + +/* The cJSON structure: */ +typedef struct cJSON +{ + /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */ + struct cJSON *next; + struct cJSON *prev; + /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */ + struct cJSON *child; + + /* The type of the item, as above. */ + int type; + + /* The item's string, if type==cJSON_String and type == cJSON_Raw */ + char *valuestring; + /* writing to valueint is DEPRECATED, use cJSON_SetNumberValue instead */ + int valueint; + /* The item's number, if type==cJSON_Number */ + double valuedouble; + + /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */ + char *string; +} cJSON; + +typedef struct cJSON_Hooks +{ + /* malloc/free are CDECL on Windows regardless of the default calling convention of the compiler, so ensure the hooks allow passing those functions directly. */ + void *(CJSON_CDECL *malloc_fn)(size_t sz); + void (CJSON_CDECL *free_fn)(void *ptr); +} cJSON_Hooks; + +typedef int cJSON_bool; + +/* Limits how deeply nested arrays/objects can be before cJSON rejects to parse them. + * This is to prevent stack overflows. */ +#ifndef CJSON_NESTING_LIMIT +#define CJSON_NESTING_LIMIT 1000 +#endif + +/* returns the version of cJSON as a string */ +CJSON_PUBLIC(const char*) cJSON_Version(void); + +/* Supply malloc, realloc and free functions to cJSON */ +CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks); + +/* Memory Management: the caller is always responsible to free the results from all variants of cJSON_Parse (with cJSON_Delete) and cJSON_Print (with stdlib free, cJSON_Hooks.free_fn, or cJSON_free as appropriate). The exception is cJSON_PrintPreallocated, where the caller has full responsibility of the buffer. */ +/* Supply a block of JSON, and this returns a cJSON object you can interrogate. */ +CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value); +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLength(const char *value, size_t buffer_length); +/* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */ +/* If you supply a ptr in return_parse_end and parsing fails, then return_parse_end will contain a pointer to the error so will match cJSON_GetErrorPtr(). */ +CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated); +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, const char **return_parse_end, cJSON_bool require_null_terminated); + +/* Render a cJSON entity to text for transfer/storage. */ +CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item); +/* Render a cJSON entity to text for transfer/storage without any formatting. */ +CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item); +/* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */ +CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt); +/* Render a cJSON entity to text using a buffer already allocated in memory with given length. Returns 1 on success and 0 on failure. */ +/* NOTE: cJSON is not always 100% accurate in estimating how much memory it will use, so to be safe allocate 5 bytes more than you actually need */ +CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format); +/* Delete a cJSON entity and all subentities. */ +CJSON_PUBLIC(void) cJSON_Delete(cJSON *item); + +/* Returns the number of items in an array (or object). */ +CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array); +/* Retrieve item number "index" from array "array". Returns NULL if unsuccessful. */ +CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index); +/* Get item "string" from object. Case insensitive. */ +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string); +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string); +CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string); +/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */ +CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void); + +/* Check item type and return its value */ +CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item); +CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item); + +/* These functions check the type of an item */ +CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item); + +/* These calls create a cJSON item of the appropriate type. */ +CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean); +CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num); +CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string); +/* raw json */ +CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw); +CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void); + +/* Create a string where valuestring references a string so + * it will not be freed by cJSON_Delete */ +CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string); +/* Create an object/array that only references it's elements so + * they will not be freed by cJSON_Delete */ +CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child); +CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child); + +/* These utilities create an Array of count items. + * The parameter count cannot be greater than the number of elements in the number array, otherwise array access will be out of bounds.*/ +CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *strings, int count); + +/* Append item to the specified array/object. */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item); +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item); +/* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object. + * WARNING: When this function was used, make sure to always check that (item->type & cJSON_StringIsConst) is zero before + * writing to `item->string` */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item); +/* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item); + +/* Remove/Detach items from Arrays/Objects. */ +CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item); +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which); +CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which); +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string); +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string); +CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string); +CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string); + +/* Update array items. */ +CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem); /* Shifts pre-existing items to the right. */ +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement); +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem); +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem); +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object,const char *string,cJSON *newitem); + +/* Duplicate a cJSON item */ +CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse); +/* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will + * need to be released. With recurse!=0, it will duplicate any children connected to the item. + * The item->next and ->prev pointers are always zero on return from Duplicate. */ +/* Recursively compare two cJSON items for equality. If either a or b is NULL or invalid, they will be considered unequal. + * case_sensitive determines if object keys are treated case sensitive (1) or case insensitive (0) */ +CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive); + +/* Minify a strings, remove blank characters(such as ' ', '\t', '\r', '\n') from strings. + * The input pointer json cannot point to a read-only address area, such as a string constant, + * but should point to a readable and writable address area. */ +CJSON_PUBLIC(void) cJSON_Minify(char *json); + +/* Helper functions for creating and adding items to an object at the same time. + * They return the added item or NULL on failure. */ +CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddTrueToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddFalseToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddBoolToObject(cJSON * const object, const char * const name, const cJSON_bool boolean); +CJSON_PUBLIC(cJSON*) cJSON_AddNumberToObject(cJSON * const object, const char * const name, const double number); +CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string); +CJSON_PUBLIC(cJSON*) cJSON_AddRawToObject(cJSON * const object, const char * const name, const char * const raw); +CJSON_PUBLIC(cJSON*) cJSON_AddObjectToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddArrayToObject(cJSON * const object, const char * const name); + +/* When assigning an integer value, it needs to be propagated to valuedouble too. */ +#define cJSON_SetIntValue(object, number) ((object) ? (object)->valueint = (object)->valuedouble = (number) : (number)) +/* helper for the cJSON_SetNumberValue macro */ +CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number); +#define cJSON_SetNumberValue(object, number) ((object != NULL) ? cJSON_SetNumberHelper(object, (double)number) : (number)) +/* Change the valuestring of a cJSON_String object, only takes effect when type of object is cJSON_String */ +CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring); + +/* If the object is not a boolean type this does nothing and returns cJSON_Invalid else it returns the new type*/ +#define cJSON_SetBoolValue(object, boolValue) ( \ + (object != NULL && ((object)->type & (cJSON_False|cJSON_True))) ? \ + (object)->type=((object)->type &(~(cJSON_False|cJSON_True)))|((boolValue)?cJSON_True:cJSON_False) : \ + cJSON_Invalid\ +) + +/* Macro for iterating over an array or object */ +#define cJSON_ArrayForEach(element, array) for(element = (array != NULL) ? (array)->child : NULL; element != NULL; element = element->next) + +/* malloc/free objects using the malloc/free functions that have been set with cJSON_InitHooks */ +CJSON_PUBLIC(void *) cJSON_malloc(size_t size); +CJSON_PUBLIC(void) cJSON_free(void *object); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/app/src/main/cpp/include/httplib.h b/app/src/main/cpp/include/httplib.h new file mode 100644 index 0000000..a85a556 --- /dev/null +++ b/app/src/main/cpp/include/httplib.h @@ -0,0 +1,9746 @@ +// +// httplib.h +// +// Copyright (c) 2023 Yuji Hirose. All rights reserved. +// MIT License +// + +#ifndef CPPHTTPLIB_HTTPLIB_H +#define CPPHTTPLIB_HTTPLIB_H + +#define CPPHTTPLIB_VERSION "0.13.0" + +/* + * Configuration + */ + +#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND +#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5 +#endif + +#ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT +#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5 +#endif + +#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND +#define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300 +#endif + +#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND +#define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0 +#endif + +#ifndef CPPHTTPLIB_READ_TIMEOUT_SECOND +#define CPPHTTPLIB_READ_TIMEOUT_SECOND 5 +#endif + +#ifndef CPPHTTPLIB_READ_TIMEOUT_USECOND +#define CPPHTTPLIB_READ_TIMEOUT_USECOND 0 +#endif + +#ifndef CPPHTTPLIB_WRITE_TIMEOUT_SECOND +#define CPPHTTPLIB_WRITE_TIMEOUT_SECOND 5 +#endif + +#ifndef CPPHTTPLIB_WRITE_TIMEOUT_USECOND +#define CPPHTTPLIB_WRITE_TIMEOUT_USECOND 0 +#endif + +#ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND +#define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0 +#endif + +#ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND +#ifdef _WIN32 +#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 10000 +#else +#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0 +#endif +#endif + +#ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH +#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192 +#endif + +#ifndef CPPHTTPLIB_HEADER_MAX_LENGTH +#define CPPHTTPLIB_HEADER_MAX_LENGTH 8192 +#endif + +#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT +#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20 +#endif + +#ifndef CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT +#define CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT 1024 +#endif + +#ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH +#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits::max)()) +#endif + +#ifndef CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH +#define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 8192 +#endif + +#ifndef CPPHTTPLIB_TCP_NODELAY +#define CPPHTTPLIB_TCP_NODELAY false +#endif + +#ifndef CPPHTTPLIB_RECV_BUFSIZ +#define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u) +#endif + +#ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ +#define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u) +#endif + +#ifndef CPPHTTPLIB_THREAD_POOL_COUNT +#define CPPHTTPLIB_THREAD_POOL_COUNT \ + ((std::max)(8u, std::thread::hardware_concurrency() > 0 ? std::thread::hardware_concurrency() - 1 : 0)) +#endif + +#ifndef CPPHTTPLIB_RECV_FLAGS +#define CPPHTTPLIB_RECV_FLAGS 0 +#endif + +#ifndef CPPHTTPLIB_SEND_FLAGS +#define CPPHTTPLIB_SEND_FLAGS 0 +#endif + +#ifndef CPPHTTPLIB_LISTEN_BACKLOG +#define CPPHTTPLIB_LISTEN_BACKLOG 5 +#endif + +/* + * Headers + */ + +#ifdef _WIN32 +#ifndef _CRT_SECURE_NO_WARNINGS +#define _CRT_SECURE_NO_WARNINGS +#endif //_CRT_SECURE_NO_WARNINGS + +#ifndef _CRT_NONSTDC_NO_DEPRECATE +#define _CRT_NONSTDC_NO_DEPRECATE +#endif //_CRT_NONSTDC_NO_DEPRECATE + +#if defined(_MSC_VER) +#if _MSC_VER < 1900 +#error Sorry, Visual Studio versions prior to 2015 are not supported +#endif + +#pragma comment(lib, "ws2_32.lib") + +#ifdef _WIN64 +using ssize_t = __int64; +#else +using ssize_t = long; +#endif +#endif // _MSC_VER + +#ifndef S_ISREG +#define S_ISREG(m) (((m)&S_IFREG) == S_IFREG) +#endif // S_ISREG + +#ifndef S_ISDIR +#define S_ISDIR(m) (((m)&S_IFDIR) == S_IFDIR) +#endif // S_ISDIR + +#ifndef NOMINMAX +#define NOMINMAX +#endif // NOMINMAX + +#include +#include +#include + +#ifndef WSA_FLAG_NO_HANDLE_INHERIT +#define WSA_FLAG_NO_HANDLE_INHERIT 0x80 +#endif + +#ifndef strcasecmp +#define strcasecmp _stricmp +#endif // strcasecmp + +using socket_t = SOCKET; +#ifdef CPPHTTPLIB_USE_POLL +#define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout) +#endif + +#else // not _WIN32 + +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/arpa/inet.h" +#if !defined(_AIX) && !defined(__MVS__) +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/ifaddrs.h" +#endif +#ifdef __MVS__ +#include +#ifndef NI_MAXHOST +#define NI_MAXHOST 1025 +#endif +#endif +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/net/if.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/netdb.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/netinet/in.h" +#ifdef __linux__ +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/resolv.h" +#endif +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/netinet/tcp.h" +#ifdef CPPHTTPLIB_USE_POLL +#include +#endif +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/csignal" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/pthread.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/sys/select.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/sys/socket.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/sys/un.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/unistd.h" + +using socket_t = int; +#ifndef INVALID_SOCKET +#define INVALID_SOCKET (-1) +#endif +#endif //_WIN32 + +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/algorithm" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/array" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/atomic" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/cassert" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/cctype" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/climits" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/condition_variable" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/cstring" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/errno.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/fcntl.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/fstream" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/functional" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/iomanip" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/iostream" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/list" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/map" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/memory" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/mutex" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/random" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/regex" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/set" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/sstream" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/string" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/sys/stat.h" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/thread" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/unordered_map" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/unordered_set" +#include "../../../../../../../../../AppData/Local/Android/Sdk/ndk/25.1.8937393/toolchains/llvm/prebuilt/windows-x86_64/sysroot/usr/include/c++/v1/utility" + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +#ifdef _WIN32 +#include + +// these are defined in wincrypt.h and it breaks compilation if BoringSSL is +// used +#undef X509_NAME +#undef X509_CERT_PAIR +#undef X509_EXTENSIONS +#undef PKCS7_SIGNER_INFO + +#ifdef _MSC_VER +#pragma comment(lib, "crypt32.lib") +#pragma comment(lib, "cryptui.lib") +#endif +#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) +#include +#if TARGET_OS_OSX +#include +#include +#endif // TARGET_OS_OSX +#endif // _WIN32 + +#include +#include +#include +#include + +#if defined(_WIN32) && defined(OPENSSL_USE_APPLINK) +#include +#endif + +#include +#include + +#if OPENSSL_VERSION_NUMBER < 0x1010100fL +#error Sorry, OpenSSL versions prior to 1.1.1 are not supported +#elif OPENSSL_VERSION_NUMBER < 0x30000000L +#define SSL_get1_peer_certificate SSL_get_peer_certificate +#endif + +#endif + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT +#include +#endif + +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +#include +#include +#endif + +/* + * Declaration + */ +namespace httplib { + +namespace detail { + +typedef void (*POSTSOCKETCONNECTCB)(socket_t sock); + +/* + * Backport std::make_unique from C++14. + * + * NOTE: This code came up with the following stackoverflow post: + * https://stackoverflow.com/questions/10149840/c-arrays-and-make-unique + * + */ + +template +typename std::enable_if::value, std::unique_ptr>::type make_unique(Args &&...args) { + return std::unique_ptr(new T(std::forward(args)...)); +} + +template +typename std::enable_if::value, std::unique_ptr>::type make_unique(std::size_t n) { + typedef typename std::remove_extent::type RT; + return std::unique_ptr(new RT[n]); +} + +struct ci { + bool operator()(const std::string &s1, const std::string &s2) const { + return std::lexicographical_compare( + s1.begin(), + s1.end(), + s2.begin(), + s2.end(), + [](unsigned char c1, unsigned char c2) { return ::tolower(c1) < ::tolower(c2); }); + } +}; + +// This is based on +// "http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4189". + +struct scope_exit { + explicit scope_exit(std::function &&f) : exit_function(std::move(f)), execute_on_destruction {true} { + } + + scope_exit(scope_exit &&rhs) + : exit_function(std::move(rhs.exit_function)), + execute_on_destruction {rhs.execute_on_destruction} { + rhs.release(); + } + + ~scope_exit() { + if (execute_on_destruction) { + this->exit_function(); + } + } + + void release() { + this->execute_on_destruction = false; + } + +private: + scope_exit(const scope_exit &) = delete; + void operator=(const scope_exit &) = delete; + scope_exit &operator=(scope_exit &&) = delete; + + std::function exit_function; + bool execute_on_destruction; +}; + +} // namespace detail + +using Headers = std::multimap; + +using Params = std::multimap; +using Match = std::smatch; + +using Progress = std::function; + +struct Response; +using ResponseHandler = std::function; + +struct MultipartFormData { + std::string name; + std::string content; + std::string filename; + std::string content_type; +}; + +using MultipartFormDataItems = std::vector; +using MultipartFormDataMap = std::multimap; + +class DataSink { +public: + DataSink() : os(&sb_), sb_(*this) { + } + + DataSink(const DataSink &) = delete; + DataSink &operator=(const DataSink &) = delete; + DataSink(DataSink &&) = delete; + DataSink &operator=(DataSink &&) = delete; + + std::function write; + std::function done; + std::function done_with_trailer; + std::ostream os; + +private: + class data_sink_streambuf : public std::streambuf { + public: + explicit data_sink_streambuf(DataSink &sink) : sink_(sink) { + } + + protected: + std::streamsize xsputn(const char *s, std::streamsize n) { + sink_.write(s, static_cast(n)); + return n; + } + + private: + DataSink &sink_; + }; + + data_sink_streambuf sb_; +}; + +using ContentProvider = std::function; + +using ContentProviderWithoutLength = std::function; + +using ContentProviderResourceReleaser = std::function; + +struct MultipartFormDataProvider { + std::string name; + ContentProviderWithoutLength provider; + std::string filename; + std::string content_type; +}; + +using MultipartFormDataProviderItems = std::vector; + +using ContentReceiverWithProgress = std::function< + bool(const char *data, size_t data_length, uint64_t offset, uint64_t total_length)>; + +using ContentReceiver = std::function; + +using MultipartContentHeader = std::function; + +class ContentReader { +public: + using Reader = std::function; + using MultipartReader = std::function; + + ContentReader(Reader reader, MultipartReader multipart_reader) + : reader_(std::move(reader)), + multipart_reader_(std::move(multipart_reader)) { + } + + bool operator()(MultipartContentHeader header, ContentReceiver receiver) const { + return multipart_reader_(std::move(header), std::move(receiver)); + } + + bool operator()(ContentReceiver receiver) const { + return reader_(std::move(receiver)); + } + + Reader reader_; + MultipartReader multipart_reader_; +}; + +using Range = std::pair; +using Ranges = std::vector; + +struct Request { + std::string method; + std::string path; + Headers headers; + std::string body; + + std::string remote_addr; + int remote_port = -1; + std::string local_addr; + int local_port = -1; + + // for server + std::string version; + std::string target; + Params params; + MultipartFormDataMap files; + Ranges ranges; + Match matches; + std::unordered_map path_params; + + // for client + ResponseHandler response_handler; + ContentReceiverWithProgress content_receiver; + Progress progress; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + const SSL *ssl = nullptr; +#endif + + bool has_header(const std::string &key) const; + std::string get_header_value(const std::string &key, size_t id = 0) const; + template T get_header_value(const std::string &key, size_t id = 0) const; + size_t get_header_value_count(const std::string &key) const; + void set_header(const std::string &key, const std::string &val); + + bool has_param(const std::string &key) const; + std::string get_param_value(const std::string &key, size_t id = 0) const; + size_t get_param_value_count(const std::string &key) const; + + bool is_multipart_form_data() const; + + bool has_file(const std::string &key) const; + MultipartFormData get_file_value(const std::string &key) const; + std::vector get_file_values(const std::string &key) const; + + // private members... + size_t redirect_count_ = CPPHTTPLIB_REDIRECT_MAX_COUNT; + size_t content_length_ = 0; + ContentProvider content_provider_; + bool is_chunked_content_provider_ = false; + size_t authorization_count_ = 0; +}; + +struct Response { + std::string version; + int status = -1; + std::string reason; + Headers headers; + std::string body; + std::string location; // Redirect location + + bool has_header(const std::string &key) const; + std::string get_header_value(const std::string &key, size_t id = 0) const; + template T get_header_value(const std::string &key, size_t id = 0) const; + size_t get_header_value_count(const std::string &key) const; + void set_header(const std::string &key, const std::string &val); + + void set_redirect(const std::string &url, int status = 302); + void set_content(const char *s, size_t n, const std::string &content_type); + void set_content(const std::string &s, const std::string &content_type); + + void set_content_provider(size_t length, + const std::string &content_type, + ContentProvider provider, + ContentProviderResourceReleaser resource_releaser = nullptr); + + void set_content_provider(const std::string &content_type, + ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser = nullptr); + + void set_chunked_content_provider(const std::string &content_type, + ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser = nullptr); + + Response() = default; + Response(const Response &) = default; + Response &operator=(const Response &) = default; + Response(Response &&) = default; + Response &operator=(Response &&) = default; + + ~Response() { + if (content_provider_resource_releaser_) { + content_provider_resource_releaser_(content_provider_success_); + } + } + + // private members... + size_t content_length_ = 0; + ContentProvider content_provider_; + ContentProviderResourceReleaser content_provider_resource_releaser_; + bool is_chunked_content_provider_ = false; + bool content_provider_success_ = false; +}; + +class Stream { +public: + virtual ~Stream() = default; + + virtual bool is_readable() const = 0; + virtual bool is_writable() const = 0; + + virtual ssize_t read(char *ptr, size_t size) = 0; + virtual ssize_t write(const char *ptr, size_t size) = 0; + virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0; + virtual void get_local_ip_and_port(std::string &ip, int &port) const = 0; + virtual socket_t socket() const = 0; + + template ssize_t write_format(const char *fmt, const Args &...args); + ssize_t write(const char *ptr); + ssize_t write(const std::string &s); +}; + +class TaskQueue { +public: + TaskQueue() = default; + virtual ~TaskQueue() = default; + + virtual void enqueue(std::function fn) = 0; + virtual void shutdown() = 0; + + virtual void on_idle() { + } +}; + +class ThreadPool : public TaskQueue { +public: + explicit ThreadPool(size_t n) : shutdown_(false) { + while (n) { + threads_.emplace_back(worker(*this)); + n--; + } + } + + ThreadPool(const ThreadPool &) = delete; + ~ThreadPool() override = default; + + void enqueue(std::function fn) override { + { + std::unique_lock lock(mutex_); + jobs_.push_back(std::move(fn)); + } + + cond_.notify_one(); + } + + void shutdown() override { + // Stop all worker threads... + { + std::unique_lock lock(mutex_); + shutdown_ = true; + } + + cond_.notify_all(); + + // Join... + for (auto &t : threads_) { + t.join(); + } + } + +private: + struct worker { + explicit worker(ThreadPool &pool) : pool_(pool) { + } + + void operator()() { + for (;;) { + std::function fn; + { + std::unique_lock lock(pool_.mutex_); + + pool_.cond_.wait(lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; }); + + if (pool_.shutdown_ && pool_.jobs_.empty()) { + break; + } + + fn = std::move(pool_.jobs_.front()); + pool_.jobs_.pop_front(); + } + + assert(true == static_cast(fn)); + fn(); + } + } + + ThreadPool &pool_; + }; + friend struct worker; + + std::vector threads_; + std::list> jobs_; + + bool shutdown_; + + std::condition_variable cond_; + std::mutex mutex_; +}; + +using Logger = std::function; + +using SocketOptions = std::function; + +void default_socket_options(socket_t sock); + +namespace detail { + +class MatcherBase { +public: + virtual ~MatcherBase() = default; + + // Match request path and populate its matches and + virtual bool match(Request &request) const = 0; +}; + +/** + * Captures parameters in request path and stores them in Request::path_params + * + * Capture name is a substring of a pattern from : to /. + * The rest of the pattern is matched agains the request path directly + * Parameters are captured starting from the next character after + * the end of the last matched static pattern fragment until the next /. + * + * Example pattern: + * "/path/fragments/:capture/more/fragments/:second_capture" + * Static fragments: + * "/path/fragments/", "more/fragments/" + * + * Given the following request path: + * "/path/fragments/:1/more/fragments/:2" + * the resulting capture will be + * {{"capture", "1"}, {"second_capture", "2"}} + */ +class PathParamsMatcher : public MatcherBase { +public: + PathParamsMatcher(const std::string &pattern); + + bool match(Request &request) const override; + +private: + static constexpr char marker = ':'; + // Treat segment separators as the end of path parameter capture + // Does not need to handle query parameters as they are parsed before path + // matching + static constexpr char separator = '/'; + + // Contains static path fragments to match against, excluding the '/' after + // path params + // Fragments are separated by path params + std::vector static_fragments_; + // Stores the names of the path parameters to be used as keys in the + // Request::path_params map + std::vector param_names_; +}; + +/** + * Performs std::regex_match on request path + * and stores the result in Request::matches + * + * Note that regex match is performed directly on the whole request. + * This means that wildcard patterns may match multiple path segments with /: + * "/begin/(.*)/end" will match both "/begin/middle/end" and "/begin/1/2/end". + */ +class RegexMatcher : public MatcherBase { +public: + RegexMatcher(const std::string &pattern) : regex_(pattern) { + } + + bool match(Request &request) const override; + +private: + std::regex regex_; +}; + +} // namespace detail + +class Server { +public: + using Handler = std::function; + + using ExceptionHandler = std::function; + + enum class HandlerResponse { + Handled, + Unhandled, + }; + using HandlerWithResponse = std::function; + + using HandlerWithContentReader = std::function< + void(const Request &, Response &, const ContentReader &content_reader)>; + + using Expect100ContinueHandler = std::function; + + Server(); + + virtual ~Server(); + + virtual bool is_valid() const; + + Server &Get(const std::string &pattern, Handler handler); + Server &Post(const std::string &pattern, Handler handler); + Server &Post(const std::string &pattern, HandlerWithContentReader handler); + Server &Put(const std::string &pattern, Handler handler); + Server &Put(const std::string &pattern, HandlerWithContentReader handler); + Server &Patch(const std::string &pattern, Handler handler); + Server &Patch(const std::string &pattern, HandlerWithContentReader handler); + Server &Delete(const std::string &pattern, Handler handler); + Server &Delete(const std::string &pattern, HandlerWithContentReader handler); + Server &Options(const std::string &pattern, Handler handler); + + bool set_base_dir(const std::string &dir, const std::string &mount_point = std::string()); + bool set_mount_point(const std::string &mount_point, const std::string &dir, Headers headers = Headers()); + bool remove_mount_point(const std::string &mount_point); + Server &set_file_extension_and_mimetype_mapping(const std::string &ext, const std::string &mime); + Server &set_file_request_handler(Handler handler); + + Server &set_error_handler(HandlerWithResponse handler); + Server &set_error_handler(Handler handler); + Server &set_exception_handler(ExceptionHandler handler); + Server &set_pre_routing_handler(HandlerWithResponse handler); + Server &set_post_routing_handler(Handler handler); + + Server &set_expect_100_continue_handler(Expect100ContinueHandler handler); + Server &set_logger(Logger logger); + + Server &set_address_family(int family); + Server &set_tcp_nodelay(bool on); + Server &set_socket_options(SocketOptions socket_options); + + Server &set_default_headers(Headers headers); + + Server &set_keep_alive_max_count(size_t count); + Server &set_keep_alive_timeout(time_t sec); + + Server &set_read_timeout(time_t sec, time_t usec = 0); + template Server &set_read_timeout(const std::chrono::duration &duration); + + Server &set_write_timeout(time_t sec, time_t usec = 0); + template Server &set_write_timeout(const std::chrono::duration &duration); + + Server &set_idle_interval(time_t sec, time_t usec = 0); + template Server &set_idle_interval(const std::chrono::duration &duration); + + Server &set_payload_max_length(size_t length); + + bool bind_to_port(const std::string &host, int port, int socket_flags = 0); + int bind_to_any_port(const std::string &host, int socket_flags = 0); + bool listen_after_bind(); + + bool listen(const std::string &host, int port, int socket_flags = 0); + + bool is_running() const; + void wait_until_ready() const; + void stop(); + + std::function new_task_queue; + +protected: + bool process_request(Stream &strm, + bool close_connection, + bool &connection_closed, + const std::function &setup_request); + + std::atomic svr_sock_ {INVALID_SOCKET}; + size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; + time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND; + time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; + time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; + time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; + time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; + time_t idle_interval_sec_ = CPPHTTPLIB_IDLE_INTERVAL_SECOND; + time_t idle_interval_usec_ = CPPHTTPLIB_IDLE_INTERVAL_USECOND; + size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH; + +private: + using Handlers = std::vector, Handler>>; + using HandlersForContentReader = std::vector< + std::pair, HandlerWithContentReader>>; + + static std::unique_ptr make_matcher(const std::string &pattern); + + socket_t create_server_socket(const std::string &host, + int port, + int socket_flags, + SocketOptions socket_options) const; + int bind_internal(const std::string &host, int port, int socket_flags); + bool listen_internal(); + + bool routing(Request &req, Response &res, Stream &strm); + bool handle_file_request(const Request &req, Response &res, bool head = false); + bool dispatch_request(Request &req, Response &res, const Handlers &handlers); + bool dispatch_request_for_content_reader(Request &req, + Response &res, + ContentReader content_reader, + const HandlersForContentReader &handlers); + + bool parse_request_line(const char *s, Request &req); + void apply_ranges(const Request &req, Response &res, std::string &content_type, std::string &boundary); + bool write_response(Stream &strm, bool close_connection, const Request &req, Response &res); + bool write_response_with_content(Stream &strm, bool close_connection, const Request &req, Response &res); + bool write_response_core(Stream &strm, + bool close_connection, + const Request &req, + Response &res, + bool need_apply_ranges); + bool write_content_with_provider(Stream &strm, + const Request &req, + Response &res, + const std::string &boundary, + const std::string &content_type); + bool read_content(Stream &strm, Request &req, Response &res); + bool read_content_with_content_receiver(Stream &strm, + Request &req, + Response &res, + ContentReceiver receiver, + MultipartContentHeader multipart_header, + ContentReceiver multipart_receiver); + bool read_content_core(Stream &strm, + Request &req, + Response &res, + ContentReceiver receiver, + MultipartContentHeader multipart_header, + ContentReceiver multipart_receiver); + + virtual bool process_and_close_socket(socket_t sock); + + std::atomic is_running_ {false}; + std::atomic done_ {false}; + + struct MountPointEntry { + std::string mount_point; + std::string base_dir; + Headers headers; + }; + + std::vector base_dirs_; + std::map file_extension_and_mimetype_map_; + Handler file_request_handler_; + + Handlers get_handlers_; + Handlers post_handlers_; + HandlersForContentReader post_handlers_for_content_reader_; + Handlers put_handlers_; + HandlersForContentReader put_handlers_for_content_reader_; + Handlers patch_handlers_; + HandlersForContentReader patch_handlers_for_content_reader_; + Handlers delete_handlers_; + HandlersForContentReader delete_handlers_for_content_reader_; + Handlers options_handlers_; + + HandlerWithResponse error_handler_; + ExceptionHandler exception_handler_; + HandlerWithResponse pre_routing_handler_; + Handler post_routing_handler_; + Expect100ContinueHandler expect_100_continue_handler_; + + Logger logger_; + + int address_family_ = AF_UNSPEC; + bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; + SocketOptions socket_options_ = default_socket_options; + + Headers default_headers_; +}; + +enum class Error { + Success = 0, + Unknown, + Connection, + BindIPAddress, + Read, + Write, + ExceedRedirectCount, + Canceled, + SSLConnection, + SSLLoadingCerts, + SSLServerVerification, + UnsupportedMultipartBoundaryChars, + Compression, + ConnectionTimeout, + + // For internal use only + SSLPeerCouldBeClosed_, +}; + +std::string to_string(const Error error); + +std::ostream &operator<<(std::ostream &os, const Error &obj); + +class Result { +public: + Result() = default; + + Result(std::unique_ptr &&res, Error err, Headers &&request_headers = Headers {}) + : res_(std::move(res)), + err_(err), + request_headers_(std::move(request_headers)) { + } + + // Response + operator bool() const { + return res_ != nullptr; + } + + bool operator==(std::nullptr_t) const { + return res_ == nullptr; + } + + bool operator!=(std::nullptr_t) const { + return res_ != nullptr; + } + + const Response &value() const { + return *res_; + } + + Response &value() { + return *res_; + } + + const Response &operator*() const { + return *res_; + } + + Response &operator*() { + return *res_; + } + + const Response *operator->() const { + return res_.get(); + } + + Response *operator->() { + return res_.get(); + } + + // Error + Error error() const { + return err_; + } + + // Request Headers + bool has_request_header(const std::string &key) const; + std::string get_request_header_value(const std::string &key, size_t id = 0) const; + template T get_request_header_value(const std::string &key, size_t id = 0) const; + size_t get_request_header_value_count(const std::string &key) const; + +private: + std::unique_ptr res_; + Error err_ = Error::Unknown; + Headers request_headers_; +}; + +class ClientImpl { +public: + explicit ClientImpl(const std::string &host); + + explicit ClientImpl(const std::string &host, int port); + + explicit ClientImpl(const std::string &host, + int port, + const std::string &client_cert_path, + const std::string &client_key_path); + + virtual ~ClientImpl(); + + virtual bool is_valid() const; + + Result Get(const std::string &path); + Result Get(const std::string &path, const Headers &headers); + Result Get(const std::string &path, Progress progress); + Result Get(const std::string &path, const Headers &headers, Progress progress); + Result Get(const std::string &path, ContentReceiver content_receiver); + Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver); + Result Get(const std::string &path, ContentReceiver content_receiver, Progress progress); + Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver, Progress progress); + Result Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver); + Result Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const std::string &path, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress); + Result Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress); + + Result Get(const std::string &path, const Params ¶ms, const Headers &headers, Progress progress = nullptr); + Result Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ContentReceiver content_receiver, + Progress progress = nullptr); + Result Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress = nullptr); + + Result Head(const std::string &path); + Result Head(const std::string &path, const Headers &headers); + + Result Post(const std::string &path); + Result Post(const std::string &path, const Headers &headers); + Result Post(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Post(const std::string &path, const std::string &body, const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + Result Post(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Post(const std::string &path, const Params ¶ms); + Result Post(const std::string &path, const Headers &headers, const Params ¶ms); + Result Post(const std::string &path, const MultipartFormDataItems &items); + Result Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items); + Result Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary); + Result Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + Result Put(const std::string &path); + Result Put(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Put(const std::string &path, const std::string &body, const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + Result Put(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Put(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Put(const std::string &path, const Params ¶ms); + Result Put(const std::string &path, const Headers &headers, const Params ¶ms); + Result Put(const std::string &path, const MultipartFormDataItems &items); + Result Put(const std::string &path, const Headers &headers, const MultipartFormDataItems &items); + Result Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary); + Result Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + Result Patch(const std::string &path); + Result Patch(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Patch(const std::string &path, const std::string &body, const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + Result Patch(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + + Result Delete(const std::string &path); + Result Delete(const std::string &path, const Headers &headers); + Result Delete(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Delete(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Delete(const std::string &path, const std::string &body, const std::string &content_type); + Result Delete(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + + Result Options(const std::string &path); + Result Options(const std::string &path, const Headers &headers); + + bool send(Request &req, Response &res, Error &error); + Result send(const Request &req); + + void stop(); + + std::string host() const; + int port() const; + + size_t is_socket_open() const; + socket_t socket() const; + + void set_hostname_addr_map(std::map addr_map); + + void set_default_headers(Headers headers); + + void set_address_family(int family); + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); + + void set_connection_timeout(time_t sec, time_t usec = 0); + template void set_connection_timeout(const std::chrono::duration &duration); + + void set_read_timeout(time_t sec, time_t usec = 0); + template void set_read_timeout(const std::chrono::duration &duration); + + void set_write_timeout(time_t sec, time_t usec = 0); + template void set_write_timeout(const std::chrono::duration &duration); + + void set_basic_auth(const std::string &username, const std::string &password); + void set_bearer_token_auth(const std::string &token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_digest_auth(const std::string &username, const std::string &password); +#endif + + void set_keep_alive(bool on); + void set_follow_location(bool on); + + void set_url_encode(bool on); + + void set_compress(bool on); + + void set_decompress(bool on); + + void set_interface(const std::string &intf); + + void set_proxy(const std::string &host, int port); + void set_proxy_basic_auth(const std::string &username, const std::string &password); + void set_proxy_bearer_token_auth(const std::string &token); + void set_post_connect_callback(detail::POSTSOCKETCONNECTCB cb); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_proxy_digest_auth(const std::string &username, const std::string &password); +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_ca_cert_path(const std::string &ca_cert_file_path, const std::string &ca_cert_dir_path = std::string()); + void set_ca_cert_store(X509_STORE *ca_cert_store); + X509_STORE *create_ca_cert_store(const char *ca_cert, std::size_t size); +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void enable_server_certificate_verification(bool enabled); +#endif + + void set_logger(Logger logger); + +protected: + struct Socket { + socket_t sock = INVALID_SOCKET; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + SSL *ssl = nullptr; +#endif + + bool is_open() const { + return sock != INVALID_SOCKET; + } + }; + + virtual bool create_and_connect_socket(Socket &socket, Error &error); + + // All of: + // shutdown_ssl + // shutdown_socket + // close_socket + // should ONLY be called when socket_mutex_ is locked. + // Also, shutdown_ssl and close_socket should also NOT be called concurrently + // with a DIFFERENT thread sending requests using that socket. + virtual void shutdown_ssl(Socket &socket, bool shutdown_gracefully); + void shutdown_socket(Socket &socket); + void close_socket(Socket &socket); + + bool process_request(Stream &strm, Request &req, Response &res, bool close_connection, Error &error); + + bool write_content_with_provider(Stream &strm, const Request &req, Error &error); + + void copy_settings(const ClientImpl &rhs); + + // Socket endpoint information + const std::string host_; + const int port_; + const std::string host_and_port_; + + // Current open socket + Socket socket_; + mutable std::mutex socket_mutex_; + std::recursive_mutex request_mutex_; + + // These are all protected under socket_mutex + size_t socket_requests_in_flight_ = 0; + std::thread::id socket_requests_are_from_thread_ = std::thread::id(); + bool socket_should_be_closed_when_request_is_done_ = false; + + // Hostname-IP map + std::map addr_map_; + + // Default headers + Headers default_headers_; + + // Settings + std::string client_cert_path_; + std::string client_key_path_; + + time_t connection_timeout_sec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND; + time_t connection_timeout_usec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND; + time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; + time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; + time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; + time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; + + std::string basic_auth_username_; + std::string basic_auth_password_; + std::string bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + std::string digest_auth_username_; + std::string digest_auth_password_; +#endif + + bool keep_alive_ = false; + bool follow_location_ = false; + + bool url_encode_ = true; + + int address_family_ = AF_UNSPEC; + bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; + SocketOptions socket_options_ = nullptr; + + bool compress_ = false; + bool decompress_ = true; + + std::string interface_; + + std::string proxy_host_; + int proxy_port_ = -1; + + std::string proxy_basic_auth_username_; + std::string proxy_basic_auth_password_; + std::string proxy_bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + std::string proxy_digest_auth_username_; + std::string proxy_digest_auth_password_; +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + std::string ca_cert_file_path_; + std::string ca_cert_dir_path_; + + X509_STORE *ca_cert_store_ = nullptr; +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + bool server_certificate_verification_ = true; +#endif + + Logger logger_; + + detail::POSTSOCKETCONNECTCB _postConnCb = nullptr; + +private: + bool send_(Request &req, Response &res, Error &error); + Result send_(Request &&req); + + socket_t create_client_socket(Error &error) const; + bool read_response_line(Stream &strm, const Request &req, Response &res); + bool write_request(Stream &strm, Request &req, bool close_connection, Error &error); + bool redirect(Request &req, Response &res, Error &error); + bool handle_request(Stream &strm, Request &req, Response &res, bool close_connection, Error &error); + std::unique_ptr send_with_content_provider(Request &req, + const char *body, + size_t content_length, + ContentProvider content_provider, + ContentProviderWithoutLength content_provider_without_length, + const std::string &content_type, + Error &error); + Result send_with_content_provider(const std::string &method, + const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + ContentProvider content_provider, + ContentProviderWithoutLength content_provider_without_length, + const std::string &content_type); + ContentProviderWithoutLength get_multipart_content_provider(const std::string &boundary, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + std::string adjust_host_string(const std::string &host) const; + + virtual bool process_socket(const Socket &socket, std::function callback); + virtual bool is_ssl() const; +}; + +class Client { +public: + // Universal interface + explicit Client(const std::string &scheme_host_port); + + explicit Client(const std::string &scheme_host_port, + const std::string &client_cert_path, + const std::string &client_key_path); + + // HTTP only interface + explicit Client(const std::string &host, int port); + + explicit Client(const std::string &host, + int port, + const std::string &client_cert_path, + const std::string &client_key_path); + + Client(Client &&) = default; + + ~Client(); + + bool is_valid() const; + + Result Get(const std::string &path); + Result Get(const std::string &path, const Headers &headers); + Result Get(const std::string &path, Progress progress); + Result Get(const std::string &path, const Headers &headers, Progress progress); + Result Get(const std::string &path, ContentReceiver content_receiver); + Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver); + Result Get(const std::string &path, ContentReceiver content_receiver, Progress progress); + Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver, Progress progress); + Result Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver); + Result Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress); + Result Get(const std::string &path, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress); + + Result Get(const std::string &path, const Params ¶ms, const Headers &headers, Progress progress = nullptr); + Result Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ContentReceiver content_receiver, + Progress progress = nullptr); + Result Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress = nullptr); + + Result Head(const std::string &path); + Result Head(const std::string &path, const Headers &headers); + + Result Post(const std::string &path); + Result Post(const std::string &path, const Headers &headers); + Result Post(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Post(const std::string &path, const std::string &body, const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + Result Post(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Post(const std::string &path, const Params ¶ms); + Result Post(const std::string &path, const Headers &headers, const Params ¶ms); + Result Post(const std::string &path, const MultipartFormDataItems &items); + Result Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items); + Result Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary); + Result Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + Result Put(const std::string &path); + Result Put(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Put(const std::string &path, const std::string &body, const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + Result Put(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Put(const std::string &path, ContentProviderWithoutLength content_provider, const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Put(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Put(const std::string &path, const Params ¶ms); + Result Put(const std::string &path, const Headers &headers, const Params ¶ms); + Result Put(const std::string &path, const MultipartFormDataItems &items); + Result Put(const std::string &path, const Headers &headers, const MultipartFormDataItems &items); + Result Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary); + Result Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + Result Patch(const std::string &path); + Result Patch(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Patch(const std::string &path, const std::string &body, const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + Result Patch(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + + Result Delete(const std::string &path); + Result Delete(const std::string &path, const Headers &headers); + Result Delete(const std::string &path, const char *body, size_t content_length, const std::string &content_type); + Result Delete(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type); + Result Delete(const std::string &path, const std::string &body, const std::string &content_type); + Result Delete(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type); + + Result Options(const std::string &path); + Result Options(const std::string &path, const Headers &headers); + + bool send(Request &req, Response &res, Error &error); + Result send(const Request &req); + + void stop(); + + std::string host() const; + int port() const; + + size_t is_socket_open() const; + socket_t socket() const; + + void set_hostname_addr_map(std::map addr_map); + + void set_default_headers(Headers headers); + + void set_address_family(int family); + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); + + void set_connection_timeout(time_t sec, time_t usec = 0); + template void set_connection_timeout(const std::chrono::duration &duration); + + void set_read_timeout(time_t sec, time_t usec = 0); + template void set_read_timeout(const std::chrono::duration &duration); + + void set_write_timeout(time_t sec, time_t usec = 0); + template void set_write_timeout(const std::chrono::duration &duration); + + void set_basic_auth(const std::string &username, const std::string &password); + void set_bearer_token_auth(const std::string &token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_digest_auth(const std::string &username, const std::string &password); +#endif + + void set_keep_alive(bool on); + void set_follow_location(bool on); + + void set_url_encode(bool on); + + void set_compress(bool on); + + void set_decompress(bool on); + + void set_interface(const std::string &intf); + + void set_proxy(const std::string &host, int port); + void set_proxy_basic_auth(const std::string &username, const std::string &password); + void set_proxy_bearer_token_auth(const std::string &token); + void set_post_connect_cb(detail::POSTSOCKETCONNECTCB cb); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_proxy_digest_auth(const std::string &username, const std::string &password); +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void enable_server_certificate_verification(bool enabled); +#endif + + void set_logger(Logger logger); + + // SSL +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_ca_cert_path(const std::string &ca_cert_file_path, const std::string &ca_cert_dir_path = std::string()); + + void set_ca_cert_store(X509_STORE *ca_cert_store); + void load_ca_cert_store(const char *ca_cert, std::size_t size); + + long get_openssl_verify_result() const; + + SSL_CTX *ssl_context() const; +#endif + +private: + std::unique_ptr cli_; + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + bool is_ssl_ = false; +#endif +}; + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +class SSLServer : public Server { +public: + SSLServer(const char *cert_path, + const char *private_key_path, + const char *client_ca_cert_file_path = nullptr, + const char *client_ca_cert_dir_path = nullptr, + const char *private_key_password = nullptr); + + SSLServer(X509 *cert, EVP_PKEY *private_key, X509_STORE *client_ca_cert_store = nullptr); + + SSLServer(const std::function &setup_ssl_ctx_callback); + + ~SSLServer() override; + + bool is_valid() const override; + + SSL_CTX *ssl_context() const; + +private: + bool process_and_close_socket(socket_t sock) override; + + SSL_CTX *ctx_; + std::mutex ctx_mutex_; +}; + +class SSLClient : public ClientImpl { +public: + explicit SSLClient(const std::string &host); + + explicit SSLClient(const std::string &host, int port); + + explicit SSLClient(const std::string &host, + int port, + const std::string &client_cert_path, + const std::string &client_key_path); + + explicit SSLClient(const std::string &host, int port, X509 *client_cert, EVP_PKEY *client_key); + + ~SSLClient() override; + + bool is_valid() const override; + + void set_ca_cert_store(X509_STORE *ca_cert_store); + void load_ca_cert_store(const char *ca_cert, std::size_t size); + + long get_openssl_verify_result() const; + + SSL_CTX *ssl_context() const; + +private: + bool create_and_connect_socket(Socket &socket, Error &error) override; + void shutdown_ssl(Socket &socket, bool shutdown_gracefully) override; + void shutdown_ssl_impl(Socket &socket, bool shutdown_socket); + + bool process_socket(const Socket &socket, std::function callback) override; + bool is_ssl() const override; + + bool connect_with_proxy(Socket &sock, Response &res, bool &success, Error &error); + bool initialize_ssl(Socket &socket, Error &error); + + bool load_certs(); + + bool verify_host(X509 *server_cert) const; + bool verify_host_with_subject_alt_name(X509 *server_cert) const; + bool verify_host_with_common_name(X509 *server_cert) const; + bool check_host_name(const char *pattern, size_t pattern_len) const; + + SSL_CTX *ctx_; + std::mutex ctx_mutex_; + std::once_flag initialize_cert_; + + std::vector host_components_; + + long verify_result_ = 0; + + friend class ClientImpl; +}; +#endif + +/* + * Implementation of template methods. + */ + +namespace detail { + +template inline void duration_to_sec_and_usec(const T &duration, U callback) { + auto sec = std::chrono::duration_cast(duration).count(); + auto usec = std::chrono::duration_cast(duration - std::chrono::seconds(sec)).count(); + callback(static_cast(sec), static_cast(usec)); +} + +template +inline T get_header_value(const Headers & /*headers*/, + const std::string & /*key*/, + size_t /*id*/ = 0, + uint64_t /*def*/ = 0) { +} + +template<> +inline uint64_t get_header_value(const Headers &headers, const std::string &key, size_t id, uint64_t def) { + auto rng = headers.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast(id)); + if (it != rng.second) { + return std::strtoull(it->second.data(), nullptr, 10); + } + return def; +} + +} // namespace detail + +template inline T Request::get_header_value(const std::string &key, size_t id) const { + return detail::get_header_value(headers, key, id, 0); +} + +template inline T Response::get_header_value(const std::string &key, size_t id) const { + return detail::get_header_value(headers, key, id, 0); +} + +template inline ssize_t Stream::write_format(const char *fmt, const Args &...args) { + const auto bufsiz = 2048; + std::array buf {}; + + auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...); + if (sn <= 0) { + return sn; + } + + auto n = static_cast(sn); + + if (n >= buf.size() - 1) { + std::vector glowable_buf(buf.size()); + + while (n >= glowable_buf.size() - 1) { + glowable_buf.resize(glowable_buf.size() * 2); + n = static_cast(snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...)); + } + return write(&glowable_buf[0], n); + } else { + return write(buf.data(), n); + } +} + +inline void default_socket_options(socket_t sock) { + int yes = 1; +#ifdef _WIN32 + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast(&yes), sizeof(yes)); + setsockopt(sock, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, reinterpret_cast(&yes), sizeof(yes)); +#else +#ifdef SO_REUSEPORT + setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast(&yes), sizeof(yes)); +#else + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast(&yes), sizeof(yes)); +#endif +#endif +} + +template +inline Server &Server::set_read_timeout(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); }); + return *this; +} + +template +inline Server &Server::set_write_timeout(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); }); + return *this; +} + +template +inline Server &Server::set_idle_interval(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { set_idle_interval(sec, usec); }); + return *this; +} + +inline std::string to_string(const Error error) { + switch (error) { + case Error::Success: + return "Success (no error)"; + case Error::Connection: + return "Could not establish connection"; + case Error::BindIPAddress: + return "Failed to bind IP address"; + case Error::Read: + return "Failed to read connection"; + case Error::Write: + return "Failed to write connection"; + case Error::ExceedRedirectCount: + return "Maximum redirect count exceeded"; + case Error::Canceled: + return "Connection handling canceled"; + case Error::SSLConnection: + return "SSL connection failed"; + case Error::SSLLoadingCerts: + return "SSL certificate loading failed"; + case Error::SSLServerVerification: + return "SSL server verification failed"; + case Error::UnsupportedMultipartBoundaryChars: + return "Unsupported HTTP multipart boundary characters"; + case Error::Compression: + return "Compression failed"; + case Error::ConnectionTimeout: + return "Connection timed out"; + case Error::Unknown: + return "Unknown"; + default: + break; + } + + return "Invalid"; +} + +inline std::ostream &operator<<(std::ostream &os, const Error &obj) { + os << to_string(obj); + os << " (" << static_cast::type>(obj) << ')'; + return os; +} + +template inline T Result::get_request_header_value(const std::string &key, size_t id) const { + return detail::get_header_value(request_headers_, key, id, 0); +} + +template +inline void ClientImpl::set_connection_timeout(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { set_connection_timeout(sec, usec); }); +} + +template +inline void ClientImpl::set_read_timeout(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); }); +} + +template +inline void ClientImpl::set_write_timeout(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); }); +} + +template +inline void Client::set_connection_timeout(const std::chrono::duration &duration) { + cli_->set_connection_timeout(duration); +} + +template +inline void Client::set_read_timeout(const std::chrono::duration &duration) { + cli_->set_read_timeout(duration); +} + +template +inline void Client::set_write_timeout(const std::chrono::duration &duration) { + cli_->set_write_timeout(duration); +} + +/* + * Forward declarations and types that will be part of the .h file if split into + * .h + .cc. + */ + +std::string hosted_at(const std::string &hostname); + +void hosted_at(const std::string &hostname, std::vector &addrs); + +std::string append_query_params(const std::string &path, const Params ¶ms); + +std::pair make_range_header(Ranges ranges); + +std::pair make_basic_authentication_header(const std::string &username, + const std::string &password, + bool is_proxy = false); + +namespace detail { + +std::string encode_query_param(const std::string &value); + +std::string decode_url(const std::string &s, bool convert_plus_to_space); + +void read_file(const std::string &path, std::string &out); + +std::string trim_copy(const std::string &s); + +void split(const char *b, const char *e, char d, std::function fn); + +bool process_client_socket(socket_t sock, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + std::function callback); + +socket_t create_client_socket(const std::string &host, + const std::string &ip, + int port, + int address_family, + bool tcp_nodelay, + SocketOptions socket_options, + time_t connection_timeout_sec, + time_t connection_timeout_usec, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + const std::string &intf, + Error &error); + +const char *get_header_value(const Headers &headers, const std::string &key, size_t id = 0, const char *def = nullptr); + +std::string params_to_query_str(const Params ¶ms); + +void parse_query_text(const std::string &s, Params ¶ms); + +bool parse_multipart_boundary(const std::string &content_type, std::string &boundary); + +bool parse_range_header(const std::string &s, Ranges &ranges); + +int close_socket(socket_t sock); + +ssize_t send_socket(socket_t sock, const void *ptr, size_t size, int flags); + +ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags); + +enum class EncodingType { + None = 0, + Gzip, + Brotli +}; + +EncodingType encoding_type(const Request &req, const Response &res); + +class BufferStream : public Stream { +public: + BufferStream() = default; + ~BufferStream() override = default; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + void get_local_ip_and_port(std::string &ip, int &port) const override; + socket_t socket() const override; + + const std::string &get_buffer() const; + +private: + std::string buffer; + size_t position = 0; +}; + +class compressor { +public: + virtual ~compressor() = default; + + typedef std::function Callback; + virtual bool compress(const char *data, size_t data_length, bool last, Callback callback) = 0; +}; + +class decompressor { +public: + virtual ~decompressor() = default; + + virtual bool is_valid() const = 0; + + typedef std::function Callback; + virtual bool decompress(const char *data, size_t data_length, Callback callback) = 0; +}; + +class nocompressor : public compressor { +public: + virtual ~nocompressor() = default; + + bool compress(const char *data, size_t data_length, bool /*last*/, Callback callback) override; +}; + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT +class gzip_compressor : public compressor { +public: + gzip_compressor(); + ~gzip_compressor(); + + bool compress(const char *data, size_t data_length, bool last, Callback callback) override; + +private: + bool is_valid_ = false; + z_stream strm_; +}; + +class gzip_decompressor : public decompressor { +public: + gzip_decompressor(); + ~gzip_decompressor(); + + bool is_valid() const override; + + bool decompress(const char *data, size_t data_length, Callback callback) override; + +private: + bool is_valid_ = false; + z_stream strm_; +}; +#endif + +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +class brotli_compressor : public compressor { +public: + brotli_compressor(); + ~brotli_compressor(); + + bool compress(const char *data, size_t data_length, bool last, Callback callback) override; + +private: + BrotliEncoderState *state_ = nullptr; +}; + +class brotli_decompressor : public decompressor { +public: + brotli_decompressor(); + ~brotli_decompressor(); + + bool is_valid() const override; + + bool decompress(const char *data, size_t data_length, Callback callback) override; + +private: + BrotliDecoderResult decoder_r; + BrotliDecoderState *decoder_s = nullptr; +}; +#endif + +// NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer` +// to store data. The call can set memory on stack for performance. +class stream_line_reader { +public: + stream_line_reader(Stream &strm, char *fixed_buffer, size_t fixed_buffer_size); + const char *ptr() const; + size_t size() const; + bool end_with_crlf() const; + bool getline(); + +private: + void append(char c); + + Stream &strm_; + char *fixed_buffer_; + const size_t fixed_buffer_size_; + size_t fixed_buffer_used_size_ = 0; + std::string glowable_buffer_; +}; + +} // namespace detail + +// ---------------------------------------------------------------------------- + +/* + * Implementation that will be part of the .cc file if split into .h + .cc. + */ + +namespace detail { + +inline bool is_hex(char c, int &v) { + if (0x20 <= c && isdigit(c)) { + v = c - '0'; + return true; + } else if ('A' <= c && c <= 'F') { + v = c - 'A' + 10; + return true; + } else if ('a' <= c && c <= 'f') { + v = c - 'a' + 10; + return true; + } + return false; +} + +inline bool from_hex_to_i(const std::string &s, size_t i, size_t cnt, int &val) { + if (i >= s.size()) { + return false; + } + + val = 0; + for (; cnt; i++, cnt--) { + if (!s[i]) { + return false; + } + auto v = 0; + if (is_hex(s[i], v)) { + val = val * 16 + v; + } else { + return false; + } + } + return true; +} + +inline std::string from_i_to_hex(size_t n) { + static const auto charset = "0123456789abcdef"; + std::string ret; + do { + ret = charset[n & 15] + ret; + n >>= 4; + } while (n > 0); + return ret; +} + +inline size_t to_utf8(int code, char *buff) { + if (code < 0x0080) { + buff[0] = (code & 0x7F); + return 1; + } else if (code < 0x0800) { + buff[0] = static_cast(0xC0 | ((code >> 6) & 0x1F)); + buff[1] = static_cast(0x80 | (code & 0x3F)); + return 2; + } else if (code < 0xD800) { + buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast(0x80 | (code & 0x3F)); + return 3; + } else if (code < 0xE000) { // D800 - DFFF is invalid... + return 0; + } else if (code < 0x10000) { + buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast(0x80 | (code & 0x3F)); + return 3; + } else if (code < 0x110000) { + buff[0] = static_cast(0xF0 | ((code >> 18) & 0x7)); + buff[1] = static_cast(0x80 | ((code >> 12) & 0x3F)); + buff[2] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[3] = static_cast(0x80 | (code & 0x3F)); + return 4; + } + + // NOTREACHED + return 0; +} + +// NOTE: This code came up with the following stackoverflow post: +// https://stackoverflow.com/questions/180947/base64-decode-snippet-in-c +inline std::string base64_encode(const std::string &in) { + static const auto lookup = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + + std::string out; + out.reserve(in.size()); + + auto val = 0; + auto valb = -6; + + for (auto c : in) { + val = (val << 8) + static_cast(c); + valb += 8; + while (valb >= 0) { + out.push_back(lookup[(val >> valb) & 0x3F]); + valb -= 6; + } + } + + if (valb > -6) { + out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); + } + + while (out.size() % 4) { + out.push_back('='); + } + + return out; +} + +inline bool is_file(const std::string &path) { +#ifdef _WIN32 + return _access_s(path.c_str(), 0) == 0; +#else + struct stat st; + return stat(path.c_str(), &st) >= 0 && S_ISREG(st.st_mode); +#endif +} + +inline bool is_dir(const std::string &path) { + struct stat st; + return stat(path.c_str(), &st) >= 0 && S_ISDIR(st.st_mode); +} + +inline bool is_valid_path(const std::string &path) { + size_t level = 0; + size_t i = 0; + + // Skip slash + while (i < path.size() && path[i] == '/') { + i++; + } + + while (i < path.size()) { + // Read component + auto beg = i; + while (i < path.size() && path[i] != '/') { + i++; + } + + auto len = i - beg; + assert(len > 0); + + if (!path.compare(beg, len, ".")) { + ; + } else if (!path.compare(beg, len, "..")) { + if (level == 0) { + return false; + } + level--; + } else { + level++; + } + + // Skip slash + while (i < path.size() && path[i] == '/') { + i++; + } + } + + return true; +} + +inline std::string encode_query_param(const std::string &value) { + std::ostringstream escaped; + escaped.fill('0'); + escaped << std::hex; + + for (auto c : value) { + if (std::isalnum(static_cast(c)) || c == '-' || c == '_' || c == '.' || c == '!' || c == '~' || + c == '*' || c == '\'' || c == '(' || c == ')') { + escaped << c; + } else { + escaped << std::uppercase; + escaped << '%' << std::setw(2) << static_cast(static_cast(c)); + escaped << std::nouppercase; + } + } + + return escaped.str(); +} + +inline std::string encode_url(const std::string &s) { + std::string result; + result.reserve(s.size()); + + for (size_t i = 0; s[i]; i++) { + switch (s[i]) { + case ' ': + result += "%20"; + break; + case '+': + result += "%2B"; + break; + case '\r': + result += "%0D"; + break; + case '\n': + result += "%0A"; + break; + case '\'': + result += "%27"; + break; + case ',': + result += "%2C"; + break; + // case ':': result += "%3A"; break; // ok? probably... + case ';': + result += "%3B"; + break; + default: + auto c = static_cast(s[i]); + if (c >= 0x80) { + result += '%'; + char hex[4]; + auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c); + assert(len == 2); + result.append(hex, static_cast(len)); + } else { + result += s[i]; + } + break; + } + } + + return result; +} + +inline std::string decode_url(const std::string &s, bool convert_plus_to_space) { + std::string result; + + for (size_t i = 0; i < s.size(); i++) { + if (s[i] == '%' && i + 1 < s.size()) { + if (s[i + 1] == 'u') { + auto val = 0; + if (from_hex_to_i(s, i + 2, 4, val)) { + // 4 digits Unicode codes + char buff[4]; + size_t len = to_utf8(val, buff); + if (len > 0) { + result.append(buff, len); + } + i += 5; // 'u0000' + } else { + result += s[i]; + } + } else { + auto val = 0; + if (from_hex_to_i(s, i + 1, 2, val)) { + // 2 digits hex codes + result += static_cast(val); + i += 2; // '00' + } else { + result += s[i]; + } + } + } else if (convert_plus_to_space && s[i] == '+') { + result += ' '; + } else { + result += s[i]; + } + } + + return result; +} + +inline void read_file(const std::string &path, std::string &out) { + std::ifstream fs(path, std::ios_base::binary); + fs.seekg(0, std::ios_base::end); + auto size = fs.tellg(); + fs.seekg(0); + out.resize(static_cast(size)); + fs.read(&out[0], static_cast(size)); +} + +inline std::string file_extension(const std::string &path) { + std::smatch m; + static auto re = std::regex("\\.([a-zA-Z0-9]+)$"); + if (std::regex_search(path, m, re)) { + return m[1].str(); + } + return std::string(); +} + +inline bool is_space_or_tab(char c) { + return c == ' ' || c == '\t'; +} + +inline std::pair trim(const char *b, const char *e, size_t left, size_t right) { + while (b + left < e && is_space_or_tab(b[left])) { + left++; + } + while (right > 0 && is_space_or_tab(b[right - 1])) { + right--; + } + return std::make_pair(left, right); +} + +inline std::string trim_copy(const std::string &s) { + auto r = trim(s.data(), s.data() + s.size(), 0, s.size()); + return s.substr(r.first, r.second - r.first); +} + +inline void split(const char *b, const char *e, char d, std::function fn) { + size_t i = 0; + size_t beg = 0; + + while (e ? (b + i < e) : (b[i] != '\0')) { + if (b[i] == d) { + auto r = trim(b, e, beg, i); + if (r.first < r.second) { + fn(&b[r.first], &b[r.second]); + } + beg = i + 1; + } + i++; + } + + if (i) { + auto r = trim(b, e, beg, i); + if (r.first < r.second) { + fn(&b[r.first], &b[r.second]); + } + } +} + +inline stream_line_reader::stream_line_reader(Stream &strm, char *fixed_buffer, size_t fixed_buffer_size) + : strm_(strm), + fixed_buffer_(fixed_buffer), + fixed_buffer_size_(fixed_buffer_size) { +} + +inline const char *stream_line_reader::ptr() const { + if (glowable_buffer_.empty()) { + return fixed_buffer_; + } else { + return glowable_buffer_.data(); + } +} + +inline size_t stream_line_reader::size() const { + if (glowable_buffer_.empty()) { + return fixed_buffer_used_size_; + } else { + return glowable_buffer_.size(); + } +} + +inline bool stream_line_reader::end_with_crlf() const { + auto end = ptr() + size(); + return size() >= 2 && end[-2] == '\r' && end[-1] == '\n'; +} + +inline bool stream_line_reader::getline() { + fixed_buffer_used_size_ = 0; + glowable_buffer_.clear(); + + for (size_t i = 0;; i++) { + char byte; + auto n = strm_.read(&byte, 1); + + if (n < 0) { + return false; + } else if (n == 0) { + if (i == 0) { + return false; + } else { + break; + } + } + + append(byte); + + if (byte == '\n') { + break; + } + } + + return true; +} + +inline void stream_line_reader::append(char c) { + if (fixed_buffer_used_size_ < fixed_buffer_size_ - 1) { + fixed_buffer_[fixed_buffer_used_size_++] = c; + fixed_buffer_[fixed_buffer_used_size_] = '\0'; + } else { + if (glowable_buffer_.empty()) { + assert(fixed_buffer_[fixed_buffer_used_size_] == '\0'); + glowable_buffer_.assign(fixed_buffer_, fixed_buffer_used_size_); + } + glowable_buffer_ += c; + } +} + +inline int close_socket(socket_t sock) { +#ifdef _WIN32 + return closesocket(sock); +#else + return close(sock); +#endif +} + +template inline ssize_t handle_EINTR(T fn) { + ssize_t res = 0; + while (true) { + res = fn(); + if (res < 0 && errno == EINTR) { + continue; + } + break; + } + return res; +} + +inline ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags) { + return handle_EINTR([&]() { + return recv(sock, +#ifdef _WIN32 + static_cast(ptr), + static_cast(size), +#else + ptr, + size, +#endif + flags); + }); +} + +inline ssize_t send_socket(socket_t sock, const void *ptr, size_t size, int flags) { + return handle_EINTR([&]() { + return send(sock, +#ifdef _WIN32 + static_cast(ptr), + static_cast(size), +#else + ptr, + size, +#endif + flags); + }); +} + +inline ssize_t select_read(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLIN; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); +#else +#ifndef _WIN32 + if (sock >= FD_SETSIZE) { + return 1; + } +#endif + + fd_set fds; + FD_ZERO(&fds); + FD_SET(sock, &fds); + + timeval tv; + tv.tv_sec = static_cast(sec); + tv.tv_usec = static_cast(usec); + + return handle_EINTR([&]() { return select(static_cast(sock + 1), &fds, nullptr, nullptr, &tv); }); +#endif +} + +inline ssize_t select_write(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLOUT; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); +#else +#ifndef _WIN32 + if (sock >= FD_SETSIZE) { + return 1; + } +#endif + + fd_set fds; + FD_ZERO(&fds); + FD_SET(sock, &fds); + + timeval tv; + tv.tv_sec = static_cast(sec); + tv.tv_usec = static_cast(usec); + + return handle_EINTR([&]() { return select(static_cast(sock + 1), nullptr, &fds, nullptr, &tv); }); +#endif +} + +inline Error wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLIN | POLLOUT; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + auto poll_res = handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); + + if (poll_res == 0) { + return Error::ConnectionTimeout; + } + + if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) { + auto error = 0; + socklen_t len = sizeof(error); + auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, reinterpret_cast(&error), &len); + auto successful = res >= 0 && !error; + return successful ? Error::Success : Error::Connection; + } + + return Error::Connection; +#else +#ifndef _WIN32 + if (sock >= FD_SETSIZE) { + return Error::Connection; + } +#endif + + fd_set fdsr; + FD_ZERO(&fdsr); + FD_SET(sock, &fdsr); + + auto fdsw = fdsr; + auto fdse = fdsr; + + timeval tv; + tv.tv_sec = static_cast(sec); + tv.tv_usec = static_cast(usec); + + auto ret = handle_EINTR([&]() { return select(static_cast(sock + 1), &fdsr, &fdsw, &fdse, &tv); }); + + if (ret == 0) { + return Error::ConnectionTimeout; + } + + if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { + auto error = 0; + socklen_t len = sizeof(error); + auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, reinterpret_cast(&error), &len); + auto successful = res >= 0 && !error; + return successful ? Error::Success : Error::Connection; + } + return Error::Connection; +#endif +} + +inline bool is_socket_alive(socket_t sock) { + const auto val = detail::select_read(sock, 0, 0); + if (val == 0) { + return true; + } else if (val < 0 && errno == EBADF) { + return false; + } + char buf[1]; + return detail::read_socket(sock, &buf[0], sizeof(buf), MSG_PEEK) > 0; +} + +class SocketStream : public Stream { +public: + SocketStream(socket_t sock, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec); + ~SocketStream() override; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + void get_local_ip_and_port(std::string &ip, int &port) const override; + socket_t socket() const override; + +private: + socket_t sock_; + time_t read_timeout_sec_; + time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; + + std::vector read_buff_; + size_t read_buff_off_ = 0; + size_t read_buff_content_size_ = 0; + + static const size_t read_buff_size_ = 1024 * 4; +}; + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +class SSLSocketStream : public Stream { +public: + SSLSocketStream(socket_t sock, + SSL *ssl, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec); + ~SSLSocketStream() override; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + void get_local_ip_and_port(std::string &ip, int &port) const override; + socket_t socket() const override; + +private: + socket_t sock_; + SSL *ssl_; + time_t read_timeout_sec_; + time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; +}; +#endif + +inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) { + using namespace std::chrono; + auto start = steady_clock::now(); + while (true) { + auto val = select_read(sock, 0, 10000); + if (val < 0) { + return false; + } else if (val == 0) { + auto current = steady_clock::now(); + auto duration = duration_cast(current - start); + auto timeout = keep_alive_timeout_sec * 1000; + if (duration.count() > timeout) { + return false; + } + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + } else { + return true; + } + } +} + +template +inline bool process_server_socket_core(const std::atomic &svr_sock, + socket_t sock, + size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, + T callback) { + assert(keep_alive_max_count > 0); + auto ret = false; + auto count = keep_alive_max_count; + while (svr_sock != INVALID_SOCKET && count > 0 && keep_alive(sock, keep_alive_timeout_sec)) { + auto close_connection = count == 1; + auto connection_closed = false; + ret = callback(close_connection, connection_closed); + if (!ret || connection_closed) { + break; + } + count--; + } + return ret; +} + +template +inline bool process_server_socket(const std::atomic &svr_sock, + socket_t sock, + size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + T callback) { + return process_server_socket_core( + svr_sock, + sock, + keep_alive_max_count, + keep_alive_timeout_sec, + [&](bool close_connection, bool &connection_closed) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, write_timeout_sec, write_timeout_usec); + return callback(strm, close_connection, connection_closed); + }); +} + +inline bool process_client_socket(socket_t sock, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + std::function callback) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, write_timeout_sec, write_timeout_usec); + return callback(strm); +} + +inline int shutdown_socket(socket_t sock) { +#ifdef _WIN32 + return shutdown(sock, SD_BOTH); +#else + return shutdown(sock, SHUT_RDWR); +#endif +} + +template +socket_t create_socket(const std::string &host, + const std::string &ip, + int port, + int address_family, + int socket_flags, + bool tcp_nodelay, + SocketOptions socket_options, + BindOrConnect bind_or_connect) { + // Get address info + const char *node = nullptr; + struct addrinfo hints; + struct addrinfo *result; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; + + if (!ip.empty()) { + node = ip.c_str(); + // Ask getaddrinfo to convert IP in c-string to address + hints.ai_family = AF_UNSPEC; + hints.ai_flags = AI_NUMERICHOST; + } else { + if (!host.empty()) { + node = host.c_str(); + } + hints.ai_family = address_family; + hints.ai_flags = socket_flags; + } + +#ifndef _WIN32 + if (hints.ai_family == AF_UNIX) { + const auto addrlen = host.length(); + if (addrlen > sizeof(sockaddr_un::sun_path)) { + return INVALID_SOCKET; + } + + auto sock = socket(hints.ai_family, hints.ai_socktype, hints.ai_protocol); + if (sock != INVALID_SOCKET) { + sockaddr_un addr {}; + addr.sun_family = AF_UNIX; + std::copy(host.begin(), host.end(), addr.sun_path); + + hints.ai_addr = reinterpret_cast(&addr); + hints.ai_addrlen = static_cast(sizeof(addr) - sizeof(addr.sun_path) + addrlen); + + fcntl(sock, F_SETFD, FD_CLOEXEC); + if (socket_options) { + socket_options(sock); + } + + if (!bind_or_connect(sock, hints)) { + close_socket(sock); + sock = INVALID_SOCKET; + } + } + return sock; + } +#endif + + auto service = std::to_string(port); + + if (getaddrinfo(node, service.c_str(), &hints, &result)) { +#if defined __linux__ && !defined __ANDROID__ + res_init(); +#endif + return INVALID_SOCKET; + } + + for (auto rp = result; rp; rp = rp->ai_next) { + // Create a socket +#ifdef _WIN32 + auto sock = WSASocketW(rp->ai_family, + rp->ai_socktype, + rp->ai_protocol, + nullptr, + 0, + WSA_FLAG_NO_HANDLE_INHERIT | WSA_FLAG_OVERLAPPED); + /** + * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1 + * and above the socket creation fails on older Windows Systems. + * + * Let's try to create a socket the old way in this case. + * + * Reference: + * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa + * + * WSA_FLAG_NO_HANDLE_INHERIT: + * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with + * SP1, and later + * + */ + if (sock == INVALID_SOCKET) { + sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); + } +#else + auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); +#endif + if (sock == INVALID_SOCKET) { + continue; + } + +#ifndef _WIN32 + if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) { + close_socket(sock); + continue; + } +#endif + + if (tcp_nodelay) { + auto yes = 1; +#ifdef _WIN32 + setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&yes), sizeof(yes)); +#else + setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&yes), sizeof(yes)); +#endif + } + + if (socket_options) { + socket_options(sock); + } + + if (rp->ai_family == AF_INET6) { + auto no = 0; +#ifdef _WIN32 + setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast(&no), sizeof(no)); +#else + setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast(&no), sizeof(no)); +#endif + } + + // bind or connect + if (bind_or_connect(sock, *rp)) { + freeaddrinfo(result); + return sock; + } + + close_socket(sock); + } + + freeaddrinfo(result); + return INVALID_SOCKET; +} + +inline void set_nonblocking(socket_t sock, bool nonblocking) { +#ifdef _WIN32 + auto flags = nonblocking ? 1UL : 0UL; + ioctlsocket(sock, FIONBIO, &flags); +#else + auto flags = fcntl(sock, F_GETFL, 0); + fcntl(sock, F_SETFL, nonblocking ? (flags | O_NONBLOCK) : (flags & (~O_NONBLOCK))); +#endif +} + +inline bool is_connection_error() { +#ifdef _WIN32 + return WSAGetLastError() != WSAEWOULDBLOCK; +#else + return errno != EINPROGRESS; +#endif +} + +inline bool bind_ip_address(socket_t sock, const std::string &host) { + struct addrinfo hints; + struct addrinfo *result; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; + + if (getaddrinfo(host.c_str(), "0", &hints, &result)) { + return false; + } + + auto ret = false; + for (auto rp = result; rp; rp = rp->ai_next) { + const auto &ai = *rp; + if (!::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { + ret = true; + break; + } + } + + freeaddrinfo(result); + return ret; +} + +#if !defined _WIN32 && !defined ANDROID && !defined _AIX && !defined __MVS__ +#define USE_IF2IP +#endif + +#ifdef USE_IF2IP +inline std::string if2ip(int address_family, const std::string &ifn) { + struct ifaddrs *ifap; + getifaddrs(&ifap); + std::string addr_candidate; + for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { + if (ifa->ifa_addr && ifn == ifa->ifa_name && + (AF_UNSPEC == address_family || ifa->ifa_addr->sa_family == address_family)) { + if (ifa->ifa_addr->sa_family == AF_INET) { + auto sa = reinterpret_cast(ifa->ifa_addr); + char buf[INET_ADDRSTRLEN]; + if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) { + freeifaddrs(ifap); + return std::string(buf, INET_ADDRSTRLEN); + } + } else if (ifa->ifa_addr->sa_family == AF_INET6) { + auto sa = reinterpret_cast(ifa->ifa_addr); + if (!IN6_IS_ADDR_LINKLOCAL(&sa->sin6_addr)) { + char buf[INET6_ADDRSTRLEN] = {}; + if (inet_ntop(AF_INET6, &sa->sin6_addr, buf, INET6_ADDRSTRLEN)) { + // equivalent to mac's IN6_IS_ADDR_UNIQUE_LOCAL + auto s6_addr_head = sa->sin6_addr.s6_addr[0]; + if (s6_addr_head == 0xfc || s6_addr_head == 0xfd) { + addr_candidate = std::string(buf, INET6_ADDRSTRLEN); + } else { + freeifaddrs(ifap); + return std::string(buf, INET6_ADDRSTRLEN); + } + } + } + } + } + } + freeifaddrs(ifap); + return addr_candidate; +} +#endif + +inline socket_t create_client_socket(const std::string &host, + const std::string &ip, + int port, + int address_family, + bool tcp_nodelay, + SocketOptions socket_options, + time_t connection_timeout_sec, + time_t connection_timeout_usec, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + const std::string &intf, + Error &error) { + auto sock = create_socket( + host, + ip, + port, + address_family, + 0, + tcp_nodelay, + std::move(socket_options), + [&](socket_t sock2, struct addrinfo &ai) -> bool { + if (!intf.empty()) { +#ifdef USE_IF2IP + auto ip_from_if = if2ip(address_family, intf); + if (ip_from_if.empty()) { + ip_from_if = intf; + } + if (!bind_ip_address(sock2, ip_from_if.c_str())) { + error = Error::BindIPAddress; + return false; + } +#endif + } + + set_nonblocking(sock2, true); + + auto ret = ::connect(sock2, ai.ai_addr, static_cast(ai.ai_addrlen)); + + if (ret < 0) { + if (is_connection_error()) { + error = Error::Connection; + return false; + } + error = wait_until_socket_is_ready(sock2, connection_timeout_sec, connection_timeout_usec); + if (error != Error::Success) { + return false; + } + } + + set_nonblocking(sock2, false); + + { +#ifdef _WIN32 + auto timeout = static_cast(read_timeout_sec * 1000 + read_timeout_usec / 1000); + setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, reinterpret_cast(&timeout), sizeof(timeout)); +#else + timeval tv; + tv.tv_sec = static_cast(read_timeout_sec); + tv.tv_usec = static_cast(read_timeout_usec); + setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, reinterpret_cast(&tv), sizeof(tv)); +#endif + } + { + +#ifdef _WIN32 + auto timeout = static_cast(write_timeout_sec * 1000 + write_timeout_usec / 1000); + setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, reinterpret_cast(&timeout), sizeof(timeout)); +#else + timeval tv; + tv.tv_sec = static_cast(write_timeout_sec); + tv.tv_usec = static_cast(write_timeout_usec); + setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, reinterpret_cast(&tv), sizeof(tv)); +#endif + } + + error = Error::Success; + return true; + }); + + if (sock != INVALID_SOCKET) { + error = Error::Success; + } else { + if (error == Error::Success) { + error = Error::Connection; + } + } + + return sock; +} + +inline bool get_ip_and_port(const struct sockaddr_storage &addr, socklen_t addr_len, std::string &ip, int &port) { + if (addr.ss_family == AF_INET) { + port = ntohs(reinterpret_cast(&addr)->sin_port); + } else if (addr.ss_family == AF_INET6) { + port = ntohs(reinterpret_cast(&addr)->sin6_port); + } else { + return false; + } + + std::array ipstr {}; + if (getnameinfo(reinterpret_cast(&addr), + addr_len, + ipstr.data(), + static_cast(ipstr.size()), + nullptr, + 0, + NI_NUMERICHOST)) { + return false; + } + + ip = ipstr.data(); + return true; +} + +inline void get_local_ip_and_port(socket_t sock, std::string &ip, int &port) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + if (!getsockname(sock, reinterpret_cast(&addr), &addr_len)) { + get_ip_and_port(addr, addr_len, ip, port); + } +} + +inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + + if (!getpeername(sock, reinterpret_cast(&addr), &addr_len)) { +#ifndef _WIN32 + if (addr.ss_family == AF_UNIX) { +#if defined(__linux__) + struct ucred ucred; + socklen_t len = sizeof(ucred); + if (getsockopt(sock, SOL_SOCKET, SO_PEERCRED, &ucred, &len) == 0) { + port = ucred.pid; + } +#elif defined(SOL_LOCAL) && defined(SO_PEERPID) // __APPLE__ + pid_t pid; + socklen_t len = sizeof(pid); + if (getsockopt(sock, SOL_LOCAL, SO_PEERPID, &pid, &len) == 0) { + port = pid; + } +#endif + return; + } +#endif + get_ip_and_port(addr, addr_len, ip, port); + } +} + +inline constexpr unsigned int str2tag_core(const char *s, size_t l, unsigned int h) { + return (l == 0) + ? h + : str2tag_core(s + 1, + l - 1, + // Unsets the 6 high bits of h, therefore no overflow happens + (((std::numeric_limits::max)() >> 6) & h * 33) ^ static_cast(*s)); +} + +inline unsigned int str2tag(const std::string &s) { + return str2tag_core(s.data(), s.size(), 0); +} + +namespace udl { + +inline constexpr unsigned int operator"" _t(const char *s, size_t l) { + return str2tag_core(s, l, 0); +} + +} // namespace udl + +inline const char *find_content_type(const std::string &path, const std::map &user_data) { + auto ext = file_extension(path); + + auto it = user_data.find(ext); + if (it != user_data.end()) { + return it->second.c_str(); + } + + using udl::operator""_t; + + switch (str2tag(ext)) { + default: + return nullptr; + case "css"_t: + return "text/css"; + case "csv"_t: + return "text/csv"; + case "htm"_t: + case "html"_t: + return "text/html"; + case "js"_t: + case "mjs"_t: + return "text/javascript"; + case "txt"_t: + return "text/plain"; + case "vtt"_t: + return "text/vtt"; + + case "apng"_t: + return "image/apng"; + case "avif"_t: + return "image/avif"; + case "bmp"_t: + return "image/bmp"; + case "gif"_t: + return "image/gif"; + case "png"_t: + return "image/png"; + case "svg"_t: + return "image/svg+xml"; + case "webp"_t: + return "image/webp"; + case "ico"_t: + return "image/x-icon"; + case "tif"_t: + return "image/tiff"; + case "tiff"_t: + return "image/tiff"; + case "jpg"_t: + case "jpeg"_t: + return "image/jpeg"; + + case "mp4"_t: + return "video/mp4"; + case "mpeg"_t: + return "video/mpeg"; + case "webm"_t: + return "video/webm"; + + case "mp3"_t: + return "audio/mp3"; + case "mpga"_t: + return "audio/mpeg"; + case "weba"_t: + return "audio/webm"; + case "wav"_t: + return "audio/wave"; + + case "otf"_t: + return "font/otf"; + case "ttf"_t: + return "font/ttf"; + case "woff"_t: + return "font/woff"; + case "woff2"_t: + return "font/woff2"; + + case "7z"_t: + return "application/x-7z-compressed"; + case "atom"_t: + return "application/atom+xml"; + case "pdf"_t: + return "application/pdf"; + case "json"_t: + return "application/json"; + case "rss"_t: + return "application/rss+xml"; + case "tar"_t: + return "application/x-tar"; + case "xht"_t: + case "xhtml"_t: + return "application/xhtml+xml"; + case "xslt"_t: + return "application/xslt+xml"; + case "xml"_t: + return "application/xml"; + case "gz"_t: + return "application/gzip"; + case "zip"_t: + return "application/zip"; + case "wasm"_t: + return "application/wasm"; + } +} + +inline const char *status_message(int status) { + switch (status) { + case 100: + return "Continue"; + case 101: + return "Switching Protocol"; + case 102: + return "Processing"; + case 103: + return "Early Hints"; + case 200: + return "OK"; + case 201: + return "Created"; + case 202: + return "Accepted"; + case 203: + return "Non-Authoritative Information"; + case 204: + return "No Content"; + case 205: + return "Reset Content"; + case 206: + return "Partial Content"; + case 207: + return "Multi-Status"; + case 208: + return "Already Reported"; + case 226: + return "IM Used"; + case 300: + return "Multiple Choice"; + case 301: + return "Moved Permanently"; + case 302: + return "Found"; + case 303: + return "See Other"; + case 304: + return "Not Modified"; + case 305: + return "Use Proxy"; + case 306: + return "unused"; + case 307: + return "Temporary Redirect"; + case 308: + return "Permanent Redirect"; + case 400: + return "Bad Request"; + case 401: + return "Unauthorized"; + case 402: + return "Payment Required"; + case 403: + return "Forbidden"; + case 404: + return "Not Found"; + case 405: + return "Method Not Allowed"; + case 406: + return "Not Acceptable"; + case 407: + return "Proxy Authentication Required"; + case 408: + return "Request Timeout"; + case 409: + return "Conflict"; + case 410: + return "Gone"; + case 411: + return "Length Required"; + case 412: + return "Precondition Failed"; + case 413: + return "Payload Too Large"; + case 414: + return "URI Too Long"; + case 415: + return "Unsupported Media Type"; + case 416: + return "Range Not Satisfiable"; + case 417: + return "Expectation Failed"; + case 418: + return "I'm a teapot"; + case 421: + return "Misdirected Request"; + case 422: + return "Unprocessable Entity"; + case 423: + return "Locked"; + case 424: + return "Failed Dependency"; + case 425: + return "Too Early"; + case 426: + return "Upgrade Required"; + case 428: + return "Precondition Required"; + case 429: + return "Too Many Requests"; + case 431: + return "Request Header Fields Too Large"; + case 451: + return "Unavailable For Legal Reasons"; + case 501: + return "Not Implemented"; + case 502: + return "Bad Gateway"; + case 503: + return "Service Unavailable"; + case 504: + return "Gateway Timeout"; + case 505: + return "HTTP Version Not Supported"; + case 506: + return "Variant Also Negotiates"; + case 507: + return "Insufficient Storage"; + case 508: + return "Loop Detected"; + case 510: + return "Not Extended"; + case 511: + return "Network Authentication Required"; + + default: + case 500: + return "Internal Server Error"; + } +} + +inline bool can_compress_content_type(const std::string &content_type) { + using udl::operator""_t; + + auto tag = str2tag(content_type); + + switch (tag) { + case "image/svg+xml"_t: + case "application/javascript"_t: + case "application/json"_t: + case "application/xml"_t: + case "application/protobuf"_t: + case "application/xhtml+xml"_t: + return true; + + default: + return !content_type.rfind("text/", 0) && tag != "text/event-stream"_t; + } +} + +inline EncodingType encoding_type(const Request &req, const Response &res) { + auto ret = detail::can_compress_content_type(res.get_header_value("Content-Type")); + if (!ret) { + return EncodingType::None; + } + + const auto &s = req.get_header_value("Accept-Encoding"); + (void)(s); + +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + // TODO: 'Accept-Encoding' has br, not br;q=0 + ret = s.find("br") != std::string::npos; + if (ret) { + return EncodingType::Brotli; + } +#endif + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + // TODO: 'Accept-Encoding' has gzip, not gzip;q=0 + ret = s.find("gzip") != std::string::npos; + if (ret) { + return EncodingType::Gzip; + } +#endif + + return EncodingType::None; +} + +inline bool nocompressor::compress(const char *data, size_t data_length, bool /*last*/, Callback callback) { + if (!data_length) { + return true; + } + return callback(data, data_length); +} + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT +inline gzip_compressor::gzip_compressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; + + is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY) == Z_OK; +} + +inline gzip_compressor::~gzip_compressor() { + deflateEnd(&strm_); +} + +inline bool gzip_compressor::compress(const char *data, size_t data_length, bool last, Callback callback) { + assert(is_valid_); + + do { + constexpr size_t max_avail_in = (std::numeric_limits::max)(); + + strm_.avail_in = static_cast((std::min)(data_length, max_avail_in)); + strm_.next_in = const_cast(reinterpret_cast(data)); + + data_length -= strm_.avail_in; + data += strm_.avail_in; + + auto flush = (last && data_length == 0) ? Z_FINISH : Z_NO_FLUSH; + auto ret = Z_OK; + + std::array buff {}; + do { + strm_.avail_out = static_cast(buff.size()); + strm_.next_out = reinterpret_cast(buff.data()); + + ret = deflate(&strm_, flush); + if (ret == Z_STREAM_ERROR) { + return false; + } + + if (!callback(buff.data(), buff.size() - strm_.avail_out)) { + return false; + } + } while (strm_.avail_out == 0); + + assert((flush == Z_FINISH && ret == Z_STREAM_END) || (flush == Z_NO_FLUSH && ret == Z_OK)); + assert(strm_.avail_in == 0); + } while (data_length > 0); + + return true; +} + +inline gzip_decompressor::gzip_decompressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; + + // 15 is the value of wbits, which should be at the maximum possible value + // to ensure that any gzip stream can be decoded. The offset of 32 specifies + // that the stream type should be automatically detected either gzip or + // deflate. + is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK; +} + +inline gzip_decompressor::~gzip_decompressor() { + inflateEnd(&strm_); +} + +inline bool gzip_decompressor::is_valid() const { + return is_valid_; +} + +inline bool gzip_decompressor::decompress(const char *data, size_t data_length, Callback callback) { + assert(is_valid_); + + auto ret = Z_OK; + + do { + constexpr size_t max_avail_in = (std::numeric_limits::max)(); + + strm_.avail_in = static_cast((std::min)(data_length, max_avail_in)); + strm_.next_in = const_cast(reinterpret_cast(data)); + + data_length -= strm_.avail_in; + data += strm_.avail_in; + + std::array buff {}; + while (strm_.avail_in > 0) { + strm_.avail_out = static_cast(buff.size()); + strm_.next_out = reinterpret_cast(buff.data()); + + auto prev_avail_in = strm_.avail_in; + + ret = inflate(&strm_, Z_NO_FLUSH); + + if (prev_avail_in - strm_.avail_in == 0) { + return false; + } + + assert(ret != Z_STREAM_ERROR); + switch (ret) { + case Z_NEED_DICT: + case Z_DATA_ERROR: + case Z_MEM_ERROR: + inflateEnd(&strm_); + return false; + } + + if (!callback(buff.data(), buff.size() - strm_.avail_out)) { + return false; + } + } + + if (ret != Z_OK && ret != Z_STREAM_END) { + return false; + } + + } while (data_length > 0); + + return true; +} +#endif + +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +inline brotli_compressor::brotli_compressor() { + state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr); +} + +inline brotli_compressor::~brotli_compressor() { + BrotliEncoderDestroyInstance(state_); +} + +inline bool brotli_compressor::compress(const char *data, size_t data_length, bool last, Callback callback) { + std::array buff {}; + + auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS; + auto available_in = data_length; + auto next_in = reinterpret_cast(data); + + for (;;) { + if (last) { + if (BrotliEncoderIsFinished(state_)) { + break; + } + } else { + if (!available_in) { + break; + } + } + + auto available_out = buff.size(); + auto next_out = buff.data(); + + if (!BrotliEncoderCompressStream(state_, + operation, + &available_in, + &next_in, + &available_out, + &next_out, + nullptr)) { + return false; + } + + auto output_bytes = buff.size() - available_out; + if (output_bytes) { + callback(reinterpret_cast(buff.data()), output_bytes); + } + } + + return true; +} + +inline brotli_decompressor::brotli_decompressor() { + decoder_s = BrotliDecoderCreateInstance(0, 0, 0); + decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT : BROTLI_DECODER_RESULT_ERROR; +} + +inline brotli_decompressor::~brotli_decompressor() { + if (decoder_s) { + BrotliDecoderDestroyInstance(decoder_s); + } +} + +inline bool brotli_decompressor::is_valid() const { + return decoder_s; +} + +inline bool brotli_decompressor::decompress(const char *data, size_t data_length, Callback callback) { + if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS || decoder_r == BROTLI_DECODER_RESULT_ERROR) { + return 0; + } + + auto next_in = reinterpret_cast(data); + size_t avail_in = data_length; + size_t total_out; + + decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; + + std::array buff {}; + while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { + char *next_out = buff.data(); + size_t avail_out = buff.size(); + + decoder_r = BrotliDecoderDecompressStream(decoder_s, + &avail_in, + &next_in, + &avail_out, + reinterpret_cast(&next_out), + &total_out); + + if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { + return false; + } + + if (!callback(buff.data(), buff.size() - avail_out)) { + return false; + } + } + + return decoder_r == BROTLI_DECODER_RESULT_SUCCESS || decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT; +} +#endif + +inline bool has_header(const Headers &headers, const std::string &key) { + return headers.find(key) != headers.end(); +} + +inline const char *get_header_value(const Headers &headers, const std::string &key, size_t id, const char *def) { + auto rng = headers.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast(id)); + if (it != rng.second) { + return it->second.c_str(); + } + return def; +} + +inline bool compare_case_ignore(const std::string &a, const std::string &b) { + if (a.size() != b.size()) { + return false; + } + for (size_t i = 0; i < b.size(); i++) { + if (::tolower(a[i]) != ::tolower(b[i])) { + return false; + } + } + return true; +} + +template inline bool parse_header(const char *beg, const char *end, T fn) { + // Skip trailing spaces and tabs. + while (beg < end && is_space_or_tab(end[-1])) { + end--; + } + + auto p = beg; + while (p < end && *p != ':') { + p++; + } + + if (p == end) { + return false; + } + + auto key_end = p; + + if (*p++ != ':') { + return false; + } + + while (p < end && is_space_or_tab(*p)) { + p++; + } + + if (p < end) { + auto key = std::string(beg, key_end); + auto val = compare_case_ignore(key, "Location") ? std::string(p, end) : decode_url(std::string(p, end), false); + fn(std::move(key), std::move(val)); + return true; + } + + return false; +} + +inline bool read_headers(Stream &strm, Headers &headers) { + const auto bufsiz = 2048; + char buf[bufsiz]; + stream_line_reader line_reader(strm, buf, bufsiz); + + for (;;) { + if (!line_reader.getline()) { + return false; + } + + // Check if the line ends with CRLF. + auto line_terminator_len = 2; + if (line_reader.end_with_crlf()) { + // Blank line indicates end of headers. + if (line_reader.size() == 2) { + break; + } +#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR + } else { + // Blank line indicates end of headers. + if (line_reader.size() == 1) { + break; + } + line_terminator_len = 1; + } +#else + } else { + continue; // Skip invalid line. + } +#endif + + if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { + return false; + } + + // Exclude line terminator + auto end = line_reader.ptr() + line_reader.size() - line_terminator_len; + + parse_header(line_reader.ptr(), end, [&](std::string &&key, std::string &&val) { + headers.emplace(std::move(key), std::move(val)); + }); + } + + return true; +} + +inline bool read_content_with_length(Stream &strm, uint64_t len, Progress progress, ContentReceiverWithProgress out) { + char buf[CPPHTTPLIB_RECV_BUFSIZ]; + + uint64_t r = 0; + while (r < len) { + auto read_len = static_cast(len - r); + auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); + if (n <= 0) { + return false; + } + + if (!out(buf, static_cast(n), r, len)) { + return false; + } + r += static_cast(n); + + if (progress) { + if (!progress(r, len)) { + return false; + } + } + } + + return true; +} + +inline void skip_content_with_length(Stream &strm, uint64_t len) { + char buf[CPPHTTPLIB_RECV_BUFSIZ]; + uint64_t r = 0; + while (r < len) { + auto read_len = static_cast(len - r); + auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); + if (n <= 0) { + return; + } + r += static_cast(n); + } +} + +inline bool read_content_without_length(Stream &strm, ContentReceiverWithProgress out) { + char buf[CPPHTTPLIB_RECV_BUFSIZ]; + uint64_t r = 0; + for (;;) { + auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ); + if (n < 0) { + return false; + } else if (n == 0) { + return true; + } + + if (!out(buf, static_cast(n), r, 0)) { + return false; + } + r += static_cast(n); + } + + return true; +} + +template inline bool read_content_chunked(Stream &strm, T &x, ContentReceiverWithProgress out) { + const auto bufsiz = 16; + char buf[bufsiz]; + + stream_line_reader line_reader(strm, buf, bufsiz); + + if (!line_reader.getline()) { + return false; + } + + unsigned long chunk_len; + while (true) { + char *end_ptr; + + chunk_len = std::strtoul(line_reader.ptr(), &end_ptr, 16); + + if (end_ptr == line_reader.ptr()) { + return false; + } + if (chunk_len == ULONG_MAX) { + return false; + } + + if (chunk_len == 0) { + break; + } + + if (!read_content_with_length(strm, chunk_len, nullptr, out)) { + return false; + } + + if (!line_reader.getline()) { + return false; + } + + if (strcmp(line_reader.ptr(), "\r\n")) { + return false; + } + + if (!line_reader.getline()) { + return false; + } + } + + assert(chunk_len == 0); + + // Trailer + if (!line_reader.getline()) { + return false; + } + + while (strcmp(line_reader.ptr(), "\r\n")) { + if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { + return false; + } + + // Exclude line terminator + constexpr auto line_terminator_len = 2; + auto end = line_reader.ptr() + line_reader.size() - line_terminator_len; + + parse_header(line_reader.ptr(), end, [&](std::string &&key, std::string &&val) { + x.headers.emplace(std::move(key), std::move(val)); + }); + + if (!line_reader.getline()) { + return false; + } + } + + return true; +} + +inline bool is_chunked_transfer_encoding(const Headers &headers) { + return !strcasecmp(get_header_value(headers, "Transfer-Encoding", 0, ""), "chunked"); +} + +template +bool prepare_content_receiver(T &x, int &status, ContentReceiverWithProgress receiver, bool decompress, U callback) { + if (decompress) { + std::string encoding = x.get_header_value("Content-Encoding"); + std::unique_ptr decompressor; + + if (encoding == "gzip" || encoding == "deflate") { +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + decompressor = detail::make_unique(); +#else + status = 415; + return false; +#endif + } else if (encoding.find("br") != std::string::npos) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + decompressor = detail::make_unique(); +#else + status = 415; + return false; +#endif + } + + if (decompressor) { + if (decompressor->is_valid()) { + ContentReceiverWithProgress out = [&](const char *buf, size_t n, uint64_t off, uint64_t len) { + return decompressor->decompress(buf, n, [&](const char *buf2, size_t n2) { + return receiver(buf2, n2, off, len); + }); + }; + return callback(std::move(out)); + } else { + status = 500; + return false; + } + } + } + + ContentReceiverWithProgress out = [&](const char *buf, size_t n, uint64_t off, uint64_t len) { + return receiver(buf, n, off, len); + }; + return callback(std::move(out)); +} + +template +bool read_content(Stream &strm, + T &x, + size_t payload_max_length, + int &status, + Progress progress, + ContentReceiverWithProgress receiver, + bool decompress) { + return prepare_content_receiver(x, + status, + std::move(receiver), + decompress, + [&](const ContentReceiverWithProgress &out) { + auto ret = true; + auto exceed_payload_max_length = false; + + if (is_chunked_transfer_encoding(x.headers)) { + ret = read_content_chunked(strm, x, out); + } else if (!has_header(x.headers, "Content-Length")) { + ret = read_content_without_length(strm, out); + } else { + auto len = get_header_value(x.headers, "Content-Length"); + if (len > payload_max_length) { + exceed_payload_max_length = true; + skip_content_with_length(strm, len); + ret = false; + } else if (len > 0) { + ret = read_content_with_length(strm, len, std::move(progress), out); + } + } + + if (!ret) { + status = exceed_payload_max_length ? 413 : 400; + } + return ret; + }); +} // namespace detail + +inline ssize_t write_headers(Stream &strm, const Headers &headers) { + ssize_t write_len = 0; + for (const auto &x : headers) { + auto len = strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); + if (len < 0) { + return len; + } + write_len += len; + } + auto len = strm.write("\r\n"); + if (len < 0) { + return len; + } + write_len += len; + return write_len; +} + +inline bool write_data(Stream &strm, const char *d, size_t l) { + size_t offset = 0; + while (offset < l) { + auto length = strm.write(d + offset, l - offset); + if (length < 0) { + return false; + } + offset += static_cast(length); + } + return true; +} + +template +inline bool write_content(Stream &strm, + const ContentProvider &content_provider, + size_t offset, + size_t length, + T is_shutting_down, + Error &error) { + size_t end_offset = offset + length; + auto ok = true; + DataSink data_sink; + + data_sink.write = [&](const char *d, size_t l) -> bool { + if (ok) { + if (strm.is_writable() && write_data(strm, d, l)) { + offset += l; + } else { + ok = false; + } + } + return ok; + }; + + while (offset < end_offset && !is_shutting_down()) { + if (!strm.is_writable()) { + error = Error::Write; + return false; + } else if (!content_provider(offset, end_offset - offset, data_sink)) { + error = Error::Canceled; + return false; + } else if (!ok) { + error = Error::Write; + return false; + } + } + + error = Error::Success; + return true; +} + +template +inline bool write_content(Stream &strm, + const ContentProvider &content_provider, + size_t offset, + size_t length, + const T &is_shutting_down) { + auto error = Error::Success; + return write_content(strm, content_provider, offset, length, is_shutting_down, error); +} + +template +inline bool write_content_without_length(Stream &strm, + const ContentProvider &content_provider, + const T &is_shutting_down) { + size_t offset = 0; + auto data_available = true; + auto ok = true; + DataSink data_sink; + + data_sink.write = [&](const char *d, size_t l) -> bool { + if (ok) { + offset += l; + if (!strm.is_writable() || !write_data(strm, d, l)) { + ok = false; + } + } + return ok; + }; + + data_sink.done = [&](void) { data_available = false; }; + + while (data_available && !is_shutting_down()) { + if (!strm.is_writable()) { + return false; + } else if (!content_provider(offset, 0, data_sink)) { + return false; + } else if (!ok) { + return false; + } + } + return true; +} + +template +inline bool write_content_chunked(Stream &strm, + const ContentProvider &content_provider, + const T &is_shutting_down, + U &compressor, + Error &error) { + size_t offset = 0; + auto data_available = true; + auto ok = true; + DataSink data_sink; + + data_sink.write = [&](const char *d, size_t l) -> bool { + if (ok) { + data_available = l > 0; + offset += l; + + std::string payload; + if (compressor.compress(d, l, false, [&](const char *data, size_t data_len) { + payload.append(data, data_len); + return true; + })) { + if (!payload.empty()) { + // Emit chunked response header and footer for each chunk + auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; + if (!strm.is_writable() || !write_data(strm, chunk.data(), chunk.size())) { + ok = false; + } + } + } else { + ok = false; + } + } + return ok; + }; + + auto done_with_trailer = [&](const Headers *trailer) { + if (!ok) { + return; + } + + data_available = false; + + std::string payload; + if (!compressor.compress(nullptr, 0, true, [&](const char *data, size_t data_len) { + payload.append(data, data_len); + return true; + })) { + ok = false; + return; + } + + if (!payload.empty()) { + // Emit chunked response header and footer for each chunk + auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; + if (!strm.is_writable() || !write_data(strm, chunk.data(), chunk.size())) { + ok = false; + return; + } + } + + static const std::string done_marker("0\r\n"); + if (!write_data(strm, done_marker.data(), done_marker.size())) { + ok = false; + } + + // Trailer + if (trailer) { + for (const auto &kv : *trailer) { + std::string field_line = kv.first + ": " + kv.second + "\r\n"; + if (!write_data(strm, field_line.data(), field_line.size())) { + ok = false; + } + } + } + + static const std::string crlf("\r\n"); + if (!write_data(strm, crlf.data(), crlf.size())) { + ok = false; + } + }; + + data_sink.done = [&](void) { done_with_trailer(nullptr); }; + + data_sink.done_with_trailer = [&](const Headers &trailer) { done_with_trailer(&trailer); }; + + while (data_available && !is_shutting_down()) { + if (!strm.is_writable()) { + error = Error::Write; + return false; + } else if (!content_provider(offset, 0, data_sink)) { + error = Error::Canceled; + return false; + } else if (!ok) { + error = Error::Write; + return false; + } + } + + error = Error::Success; + return true; +} + +template +inline bool write_content_chunked(Stream &strm, + const ContentProvider &content_provider, + const T &is_shutting_down, + U &compressor) { + auto error = Error::Success; + return write_content_chunked(strm, content_provider, is_shutting_down, compressor, error); +} + +template +inline bool redirect(T &cli, + Request &req, + Response &res, + const std::string &path, + const std::string &location, + Error &error) { + Request new_req = req; + new_req.path = path; + new_req.redirect_count_ -= 1; + + if (res.status == 303 && (req.method != "GET" && req.method != "HEAD")) { + new_req.method = "GET"; + new_req.body.clear(); + new_req.headers.clear(); + } + + Response new_res; + + auto ret = cli.send(new_req, new_res, error); + if (ret) { + req = new_req; + res = new_res; + + if (res.location.empty()) { + res.location = location; + } + } + return ret; +} + +inline std::string params_to_query_str(const Params ¶ms) { + std::string query; + + for (auto it = params.begin(); it != params.end(); ++it) { + if (it != params.begin()) { + query += "&"; + } + query += it->first; + query += "="; + query += encode_query_param(it->second); + } + return query; +} + +inline void parse_query_text(const std::string &s, Params ¶ms) { + std::set cache; + split(s.data(), s.data() + s.size(), '&', [&](const char *b, const char *e) { + std::string kv(b, e); + if (cache.find(kv) != cache.end()) { + return; + } + cache.insert(kv); + + std::string key; + std::string val; + split(b, e, '=', [&](const char *b2, const char *e2) { + if (key.empty()) { + key.assign(b2, e2); + } else { + val.assign(b2, e2); + } + }); + + if (!key.empty()) { + params.emplace(decode_url(key, true), decode_url(val, true)); + } + }); +} + +inline bool parse_multipart_boundary(const std::string &content_type, std::string &boundary) { + auto boundary_keyword = "boundary="; + auto pos = content_type.find(boundary_keyword); + if (pos == std::string::npos) { + return false; + } + auto end = content_type.find(';', pos); + auto beg = pos + strlen(boundary_keyword); + boundary = content_type.substr(beg, end - beg); + if (boundary.length() >= 2 && boundary.front() == '"' && boundary.back() == '"') { + boundary = boundary.substr(1, boundary.size() - 2); + } + return !boundary.empty(); +} + +#ifdef CPPHTTPLIB_NO_EXCEPTIONS +inline bool parse_range_header(const std::string &s, Ranges &ranges) { +#else +inline bool parse_range_header(const std::string &s, Ranges &ranges) try { +#endif + static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); + std::smatch m; + if (std::regex_match(s, m, re_first_range)) { + auto pos = static_cast(m.position(1)); + auto len = static_cast(m.length(1)); + bool all_valid_ranges = true; + split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) { + if (!all_valid_ranges) { + return; + } + static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))"); + std::cmatch cm; + if (std::regex_match(b, e, cm, re_another_range)) { + ssize_t first = -1; + if (!cm.str(1).empty()) { + first = static_cast(std::stoll(cm.str(1))); + } + + ssize_t last = -1; + if (!cm.str(2).empty()) { + last = static_cast(std::stoll(cm.str(2))); + } + + if (first != -1 && last != -1 && first > last) { + all_valid_ranges = false; + return; + } + ranges.emplace_back(std::make_pair(first, last)); + } + }); + return all_valid_ranges; + } + return false; +#ifdef CPPHTTPLIB_NO_EXCEPTIONS +} +#else +} +catch (...) { + return false; +} +#endif + +class MultipartFormDataParser { +public: + MultipartFormDataParser() = default; + + void set_boundary(std::string &&boundary) { + boundary_ = boundary; + dash_boundary_crlf_ = dash_ + boundary_ + crlf_; + crlf_dash_boundary_ = crlf_ + dash_ + boundary_; + } + + bool is_valid() const { + return is_valid_; + } + + bool parse(const char *buf, + size_t n, + const ContentReceiver &content_callback, + const MultipartContentHeader &header_callback) { + + // TODO: support 'filename*' + static const std::regex re_content_disposition( + R"~(^Content-Disposition:\s*form-data;\s*name="(.*?)"(?:;\s*filename="(.*?)")?(?:;\s*filename\*=\S+)?\s*$)~", + std::regex_constants::icase); + + buf_append(buf, n); + + while (buf_size() > 0) { + switch (state_) { + case 0: { // Initial boundary + buf_erase(buf_find(dash_boundary_crlf_)); + if (dash_boundary_crlf_.size() > buf_size()) { + return true; + } + if (!buf_start_with(dash_boundary_crlf_)) { + return false; + } + buf_erase(dash_boundary_crlf_.size()); + state_ = 1; + break; + } + case 1: { // New entry + clear_file_info(); + state_ = 2; + break; + } + case 2: { // Headers + auto pos = buf_find(crlf_); + if (pos > CPPHTTPLIB_HEADER_MAX_LENGTH) { + return false; + } + while (pos < buf_size()) { + // Empty line + if (pos == 0) { + if (!header_callback(file_)) { + is_valid_ = false; + return false; + } + buf_erase(crlf_.size()); + state_ = 3; + break; + } + + static const std::string header_name = "content-type:"; + const auto header = buf_head(pos); + if (start_with_case_ignore(header, header_name)) { + file_.content_type = trim_copy(header.substr(header_name.size())); + } else { + std::smatch m; + if (std::regex_match(header, m, re_content_disposition)) { + file_.name = m[1]; + file_.filename = m[2]; + } else { + is_valid_ = false; + return false; + } + } + buf_erase(pos + crlf_.size()); + pos = buf_find(crlf_); + } + if (state_ != 3) { + return true; + } + break; + } + case 3: { // Body + if (crlf_dash_boundary_.size() > buf_size()) { + return true; + } + auto pos = buf_find(crlf_dash_boundary_); + if (pos < buf_size()) { + if (!content_callback(buf_data(), pos)) { + is_valid_ = false; + return false; + } + buf_erase(pos + crlf_dash_boundary_.size()); + state_ = 4; + } else { + auto len = buf_size() - crlf_dash_boundary_.size(); + if (len > 0) { + if (!content_callback(buf_data(), len)) { + is_valid_ = false; + return false; + } + buf_erase(len); + } + return true; + } + break; + } + case 4: { // Boundary + if (crlf_.size() > buf_size()) { + return true; + } + if (buf_start_with(crlf_)) { + buf_erase(crlf_.size()); + state_ = 1; + } else { + if (dash_crlf_.size() > buf_size()) { + return true; + } + if (buf_start_with(dash_crlf_)) { + buf_erase(dash_crlf_.size()); + is_valid_ = true; + buf_erase(buf_size()); // Remove epilogue + } else { + return true; + } + } + break; + } + } + } + + return true; + } + +private: + void clear_file_info() { + file_.name.clear(); + file_.filename.clear(); + file_.content_type.clear(); + } + + bool start_with_case_ignore(const std::string &a, const std::string &b) const { + if (a.size() < b.size()) { + return false; + } + for (size_t i = 0; i < b.size(); i++) { + if (::tolower(a[i]) != ::tolower(b[i])) { + return false; + } + } + return true; + } + + const std::string dash_ = "--"; + const std::string crlf_ = "\r\n"; + const std::string dash_crlf_ = "--\r\n"; + std::string boundary_; + std::string dash_boundary_crlf_; + std::string crlf_dash_boundary_; + + size_t state_ = 0; + bool is_valid_ = false; + MultipartFormData file_; + + // Buffer + bool start_with(const std::string &a, size_t spos, size_t epos, const std::string &b) const { + if (epos - spos < b.size()) { + return false; + } + for (size_t i = 0; i < b.size(); i++) { + if (a[i + spos] != b[i]) { + return false; + } + } + return true; + } + + size_t buf_size() const { + return buf_epos_ - buf_spos_; + } + + const char *buf_data() const { + return &buf_[buf_spos_]; + } + + std::string buf_head(size_t l) const { + return buf_.substr(buf_spos_, l); + } + + bool buf_start_with(const std::string &s) const { + return start_with(buf_, buf_spos_, buf_epos_, s); + } + + size_t buf_find(const std::string &s) const { + auto c = s.front(); + + size_t off = buf_spos_; + while (off < buf_epos_) { + auto pos = off; + while (true) { + if (pos == buf_epos_) { + return buf_size(); + } + if (buf_[pos] == c) { + break; + } + pos++; + } + + auto remaining_size = buf_epos_ - pos; + if (s.size() > remaining_size) { + return buf_size(); + } + + if (start_with(buf_, pos, buf_epos_, s)) { + return pos - buf_spos_; + } + + off = pos + 1; + } + + return buf_size(); + } + + void buf_append(const char *data, size_t n) { + auto remaining_size = buf_size(); + if (remaining_size > 0 && buf_spos_ > 0) { + for (size_t i = 0; i < remaining_size; i++) { + buf_[i] = buf_[buf_spos_ + i]; + } + } + buf_spos_ = 0; + buf_epos_ = remaining_size; + + if (remaining_size + n > buf_.size()) { + buf_.resize(remaining_size + n); + } + + for (size_t i = 0; i < n; i++) { + buf_[buf_epos_ + i] = data[i]; + } + buf_epos_ += n; + } + + void buf_erase(size_t size) { + buf_spos_ += size; + } + + std::string buf_; + size_t buf_spos_ = 0; + size_t buf_epos_ = 0; +}; + +inline std::string to_lower(const char *beg, const char *end) { + std::string out; + auto it = beg; + while (it != end) { + out += static_cast(::tolower(*it)); + it++; + } + return out; +} + +inline std::string make_multipart_data_boundary() { + static const char data[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + + // std::random_device might actually be deterministic on some + // platforms, but due to lack of support in the c++ standard library, + // doing better requires either some ugly hacks or breaking portability. + std::random_device seed_gen; + + // Request 128 bits of entropy for initialization + std::seed_seq seed_sequence {seed_gen(), seed_gen(), seed_gen(), seed_gen()}; + std::mt19937 engine(seed_sequence); + + std::string result = "--cpp-httplib-multipart-data-"; + + for (auto i = 0; i < 16; i++) { + result += data[engine() % (sizeof(data) - 1)]; + } + + return result; +} + +inline bool is_multipart_boundary_chars_valid(const std::string &boundary) { + auto valid = true; + for (size_t i = 0; i < boundary.size(); i++) { + auto c = boundary[i]; + if (!std::isalnum(c) && c != '-' && c != '_') { + valid = false; + break; + } + } + return valid; +} + +template +inline std::string serialize_multipart_formdata_item_begin(const T &item, const std::string &boundary) { + std::string body = "--" + boundary + "\r\n"; + body += "Content-Disposition: form-data; name=\"" + item.name + "\""; + if (!item.filename.empty()) { + body += "; filename=\"" + item.filename + "\""; + } + body += "\r\n"; + if (!item.content_type.empty()) { + body += "Content-Type: " + item.content_type + "\r\n"; + } + body += "\r\n"; + + return body; +} + +inline std::string serialize_multipart_formdata_item_end() { + return "\r\n"; +} + +inline std::string serialize_multipart_formdata_finish(const std::string &boundary) { + return "--" + boundary + "--\r\n"; +} + +inline std::string serialize_multipart_formdata_get_content_type(const std::string &boundary) { + return "multipart/form-data; boundary=" + boundary; +} + +inline std::string serialize_multipart_formdata(const MultipartFormDataItems &items, + const std::string &boundary, + bool finish = true) { + std::string body; + + for (const auto &item : items) { + body += serialize_multipart_formdata_item_begin(item, boundary); + body += item.content + serialize_multipart_formdata_item_end(); + } + + if (finish) { + body += serialize_multipart_formdata_finish(boundary); + } + + return body; +} + +inline std::pair get_range_offset_and_length(const Request &req, size_t content_length, size_t index) { + auto r = req.ranges[index]; + + if (r.first == -1 && r.second == -1) { + return std::make_pair(0, content_length); + } + + auto slen = static_cast(content_length); + + if (r.first == -1) { + r.first = (std::max)(static_cast(0), slen - r.second); + r.second = slen - 1; + } + + if (r.second == -1) { + r.second = slen - 1; + } + return std::make_pair(r.first, static_cast(r.second - r.first) + 1); +} + +inline std::string make_content_range_header_field(size_t offset, size_t length, size_t content_length) { + std::string field = "bytes "; + field += std::to_string(offset); + field += "-"; + field += std::to_string(offset + length - 1); + field += "/"; + field += std::to_string(content_length); + return field; +} + +template +bool process_multipart_ranges_data(const Request &req, + Response &res, + const std::string &boundary, + const std::string &content_type, + SToken stoken, + CToken ctoken, + Content content) { + for (size_t i = 0; i < req.ranges.size(); i++) { + ctoken("--"); + stoken(boundary); + ctoken("\r\n"); + if (!content_type.empty()) { + ctoken("Content-Type: "); + stoken(content_type); + ctoken("\r\n"); + } + + auto offsets = get_range_offset_and_length(req, res.body.size(), i); + auto offset = offsets.first; + auto length = offsets.second; + + ctoken("Content-Range: "); + stoken(make_content_range_header_field(offset, length, res.body.size())); + ctoken("\r\n"); + ctoken("\r\n"); + if (!content(offset, length)) { + return false; + } + ctoken("\r\n"); + } + + ctoken("--"); + stoken(boundary); + ctoken("--\r\n"); + + return true; +} + +inline bool make_multipart_ranges_data(const Request &req, + Response &res, + const std::string &boundary, + const std::string &content_type, + std::string &data) { + return process_multipart_ranges_data( + req, + res, + boundary, + content_type, + [&](const std::string &token) { data += token; }, + [&](const std::string &token) { data += token; }, + [&](size_t offset, size_t length) { + if (offset < res.body.size()) { + data += res.body.substr(offset, length); + return true; + } + return false; + }); +} + +inline size_t get_multipart_ranges_data_length(const Request &req, + Response &res, + const std::string &boundary, + const std::string &content_type) { + size_t data_length = 0; + + process_multipart_ranges_data( + req, + res, + boundary, + content_type, + [&](const std::string &token) { data_length += token.size(); }, + [&](const std::string &token) { data_length += token.size(); }, + [&](size_t /*offset*/, size_t length) { + data_length += length; + return true; + }); + + return data_length; +} + +template +inline bool write_multipart_ranges_data(Stream &strm, + const Request &req, + Response &res, + const std::string &boundary, + const std::string &content_type, + const T &is_shutting_down) { + return process_multipart_ranges_data( + req, + res, + boundary, + content_type, + [&](const std::string &token) { strm.write(token); }, + [&](const std::string &token) { strm.write(token); }, + [&](size_t offset, size_t length) { + return write_content(strm, res.content_provider_, offset, length, is_shutting_down); + }); +} + +inline std::pair get_range_offset_and_length(const Request &req, const Response &res, size_t index) { + auto r = req.ranges[index]; + + if (r.second == -1) { + r.second = static_cast(res.content_length_) - 1; + } + + return std::make_pair(r.first, r.second - r.first + 1); +} + +inline bool expect_content(const Request &req) { + if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" || req.method == "PRI" || + req.method == "DELETE") { + return true; + } + // TODO: check if Content-Length is set + return false; +} + +inline bool has_crlf(const std::string &s) { + auto p = s.c_str(); + while (*p) { + if (*p == '\r' || *p == '\n') { + return true; + } + p++; + } + return false; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline std::string message_digest(const std::string &s, const EVP_MD *algo) { + auto context = std::unique_ptr(EVP_MD_CTX_new(), EVP_MD_CTX_free); + + unsigned int hash_length = 0; + unsigned char hash[EVP_MAX_MD_SIZE]; + + EVP_DigestInit_ex(context.get(), algo, nullptr); + EVP_DigestUpdate(context.get(), s.c_str(), s.size()); + EVP_DigestFinal_ex(context.get(), hash, &hash_length); + + std::stringstream ss; + for (auto i = 0u; i < hash_length; ++i) { + ss << std::hex << std::setw(2) << std::setfill('0') << static_cast(hash[i]); + } + + return ss.str(); +} + +inline std::string MD5(const std::string &s) { + return message_digest(s, EVP_md5()); +} + +inline std::string SHA_256(const std::string &s) { + return message_digest(s, EVP_sha256()); +} + +inline std::string SHA_512(const std::string &s) { + return message_digest(s, EVP_sha512()); +} +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +#ifdef _WIN32 +// NOTE: This code came up with the following stackoverflow post: +// https://stackoverflow.com/questions/9507184/can-openssl-on-windows-use-the-system-certificate-store +inline bool load_system_certs_on_windows(X509_STORE *store) { + auto hStore = CertOpenSystemStoreW((HCRYPTPROV_LEGACY)NULL, L"ROOT"); + if (!hStore) { + return false; + } + + auto result = false; + PCCERT_CONTEXT pContext = NULL; + while ((pContext = CertEnumCertificatesInStore(hStore, pContext)) != nullptr) { + auto encoded_cert = static_cast(pContext->pbCertEncoded); + + auto x509 = d2i_X509(NULL, &encoded_cert, pContext->cbCertEncoded); + if (x509) { + X509_STORE_add_cert(store, x509); + X509_free(x509); + result = true; + } + } + + CertFreeCertificateContext(pContext); + CertCloseStore(hStore, 0); + + return result; +} +#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) +#if TARGET_OS_OSX +template using CFObjectPtr = std::unique_ptr::type, void (*)(CFTypeRef)>; + +inline void cf_object_ptr_deleter(CFTypeRef obj) { + if (obj) { + CFRelease(obj); + } +} + +inline bool retrieve_certs_from_keychain(CFObjectPtr &certs) { + CFStringRef keys[] = {kSecClass, kSecMatchLimit, kSecReturnRef}; + CFTypeRef values[] = {kSecClassCertificate, kSecMatchLimitAll, kCFBooleanTrue}; + + CFObjectPtr query(CFDictionaryCreate(nullptr, + reinterpret_cast(keys), + values, + sizeof(keys) / sizeof(keys[0]), + &kCFTypeDictionaryKeyCallBacks, + &kCFTypeDictionaryValueCallBacks), + cf_object_ptr_deleter); + + if (!query) { + return false; + } + + CFTypeRef security_items = nullptr; + if (SecItemCopyMatching(query.get(), &security_items) != errSecSuccess || + CFArrayGetTypeID() != CFGetTypeID(security_items)) { + return false; + } + + certs.reset(reinterpret_cast(security_items)); + return true; +} + +inline bool retrieve_root_certs_from_keychain(CFObjectPtr &certs) { + CFArrayRef root_security_items = nullptr; + if (SecTrustCopyAnchorCertificates(&root_security_items) != errSecSuccess) { + return false; + } + + certs.reset(root_security_items); + return true; +} + +inline bool add_certs_to_x509_store(CFArrayRef certs, X509_STORE *store) { + auto result = false; + for (auto i = 0; i < CFArrayGetCount(certs); ++i) { + const auto cert = reinterpret_cast(CFArrayGetValueAtIndex(certs, i)); + + if (SecCertificateGetTypeID() != CFGetTypeID(cert)) { + continue; + } + + CFDataRef cert_data = nullptr; + if (SecItemExport(cert, kSecFormatX509Cert, 0, nullptr, &cert_data) != errSecSuccess) { + continue; + } + + CFObjectPtr cert_data_ptr(cert_data, cf_object_ptr_deleter); + + auto encoded_cert = static_cast(CFDataGetBytePtr(cert_data_ptr.get())); + + auto x509 = d2i_X509(NULL, &encoded_cert, CFDataGetLength(cert_data_ptr.get())); + + if (x509) { + X509_STORE_add_cert(store, x509); + X509_free(x509); + result = true; + } + } + + return result; +} + +inline bool load_system_certs_on_macos(X509_STORE *store) { + auto result = false; + CFObjectPtr certs(nullptr, cf_object_ptr_deleter); + if (retrieve_certs_from_keychain(certs) && certs) { + result = add_certs_to_x509_store(certs.get(), store); + } + + if (retrieve_root_certs_from_keychain(certs) && certs) { + result = add_certs_to_x509_store(certs.get(), store) || result; + } + + return result; +} +#endif // TARGET_OS_OSX +#endif // _WIN32 +#endif // CPPHTTPLIB_OPENSSL_SUPPORT + +#ifdef _WIN32 +class WSInit { +public: + WSInit() { + WSADATA wsaData; + if (WSAStartup(0x0002, &wsaData) == 0) { + is_valid_ = true; + } + } + + ~WSInit() { + if (is_valid_) { + WSACleanup(); + } + } + + bool is_valid_ = false; +}; + +static WSInit wsinit_; +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline std::pair make_digest_authentication_header( + const Request &req, + const std::map &auth, + size_t cnonce_count, + const std::string &cnonce, + const std::string &username, + const std::string &password, + bool is_proxy = false) { + std::string nc; + { + std::stringstream ss; + ss << std::setfill('0') << std::setw(8) << std::hex << cnonce_count; + nc = ss.str(); + } + + std::string qop; + if (auth.find("qop") != auth.end()) { + qop = auth.at("qop"); + if (qop.find("auth-int") != std::string::npos) { + qop = "auth-int"; + } else if (qop.find("auth") != std::string::npos) { + qop = "auth"; + } else { + qop.clear(); + } + } + + std::string algo = "MD5"; + if (auth.find("algorithm") != auth.end()) { + algo = auth.at("algorithm"); + } + + std::string response; + { + auto H = algo == "SHA-256" ? detail::SHA_256 : algo == "SHA-512" ? detail::SHA_512 : detail::MD5; + + auto A1 = username + ":" + auth.at("realm") + ":" + password; + + auto A2 = req.method + ":" + req.path; + if (qop == "auth-int") { + A2 += ":" + H(req.body); + } + + if (qop.empty()) { + response = H(H(A1) + ":" + auth.at("nonce") + ":" + H(A2)); + } else { + response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce + ":" + qop + ":" + H(A2)); + } + } + + auto opaque = (auth.find("opaque") != auth.end()) ? auth.at("opaque") : ""; + + auto field = "Digest username=\"" + username + "\", realm=\"" + auth.at("realm") + "\", nonce=\"" + + auth.at("nonce") + "\", uri=\"" + req.path + "\", algorithm=" + algo + + (qop.empty() ? ", response=\"" : ", qop=" + qop + ", nc=" + nc + ", cnonce=\"" + cnonce + "\", response=\"") + + response + "\"" + (opaque.empty() ? "" : ", opaque=\"" + opaque + "\""); + + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, field); +} +#endif + +inline bool parse_www_authenticate(const Response &res, std::map &auth, bool is_proxy) { + auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate"; + if (res.has_header(auth_key)) { + static auto re = std::regex(R"~((?:(?:,\s*)?(.+?)=(?:"(.*?)"|([^,]*))))~"); + auto s = res.get_header_value(auth_key); + auto pos = s.find(' '); + if (pos != std::string::npos) { + auto type = s.substr(0, pos); + if (type == "Basic") { + return false; + } else if (type == "Digest") { + s = s.substr(pos + 1); + auto beg = std::sregex_iterator(s.begin(), s.end(), re); + for (auto i = beg; i != std::sregex_iterator(); ++i) { + auto m = *i; + auto key = s.substr(static_cast(m.position(1)), static_cast(m.length(1))); + auto val = m.length(2) > 0 + ? s.substr(static_cast(m.position(2)), static_cast(m.length(2))) + : s.substr(static_cast(m.position(3)), static_cast(m.length(3))); + auth[key] = val; + } + return true; + } + } + } + return false; +} + +// https://stackoverflow.com/questions/440133/how-do-i-create-a-random-alpha-numeric-string-in-c/440240#answer-440240 +inline std::string random_string(size_t length) { + auto randchar = []() -> char { + const char charset + [] = "0123456789" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz"; + const size_t max_index = (sizeof(charset) - 1); + return charset[static_cast(std::rand()) % max_index]; + }; + std::string str(length, 0); + std::generate_n(str.begin(), length, randchar); + return str; +} + +class ContentProviderAdapter { +public: + explicit ContentProviderAdapter(ContentProviderWithoutLength &&content_provider) + : content_provider_(content_provider) { + } + + bool operator()(size_t offset, size_t, DataSink &sink) { + return content_provider_(offset, sink); + } + +private: + ContentProviderWithoutLength content_provider_; +}; + +} // namespace detail + +inline std::string hosted_at(const std::string &hostname) { + std::vector addrs; + hosted_at(hostname, addrs); + if (addrs.empty()) { + return std::string(); + } + return addrs[0]; +} + +inline void hosted_at(const std::string &hostname, std::vector &addrs) { + struct addrinfo hints; + struct addrinfo *result; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; + + if (getaddrinfo(hostname.c_str(), nullptr, &hints, &result)) { +#if defined __linux__ && !defined __ANDROID__ + res_init(); +#endif + return; + } + + for (auto rp = result; rp; rp = rp->ai_next) { + const auto &addr = *reinterpret_cast(rp->ai_addr); + std::string ip; + auto dummy = -1; + if (detail::get_ip_and_port(addr, sizeof(struct sockaddr_storage), ip, dummy)) { + addrs.push_back(ip); + } + } + + freeaddrinfo(result); +} + +inline std::string append_query_params(const std::string &path, const Params ¶ms) { + std::string path_with_query = path; + const static std::regex re("[^?]+\\?.*"); + auto delm = std::regex_match(path, re) ? '&' : '?'; + path_with_query += delm + detail::params_to_query_str(params); + return path_with_query; +} + +// Header utilities +inline std::pair make_range_header(Ranges ranges) { + std::string field = "bytes="; + auto i = 0; + for (auto r : ranges) { + if (i != 0) { + field += ", "; + } + if (r.first != -1) { + field += std::to_string(r.first); + } + field += '-'; + if (r.second != -1) { + field += std::to_string(r.second); + } + i++; + } + return std::make_pair("Range", std::move(field)); +} + +inline std::pair make_basic_authentication_header(const std::string &username, + const std::string &password, + bool is_proxy) { + auto field = "Basic " + detail::base64_encode(username + ":" + password); + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, std::move(field)); +} + +inline std::pair make_bearer_token_authentication_header(const std::string &token, + bool is_proxy = false) { + auto field = "Bearer " + token; + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, std::move(field)); +} + +// Request implementation +inline bool Request::has_header(const std::string &key) const { + return detail::has_header(headers, key); +} + +inline std::string Request::get_header_value(const std::string &key, size_t id) const { + return detail::get_header_value(headers, key, id, ""); +} + +inline size_t Request::get_header_value_count(const std::string &key) const { + auto r = headers.equal_range(key); + return static_cast(std::distance(r.first, r.second)); +} + +inline void Request::set_header(const std::string &key, const std::string &val) { + if (!detail::has_crlf(key) && !detail::has_crlf(val)) { + headers.emplace(key, val); + } +} + +inline bool Request::has_param(const std::string &key) const { + return params.find(key) != params.end(); +} + +inline std::string Request::get_param_value(const std::string &key, size_t id) const { + auto rng = params.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast(id)); + if (it != rng.second) { + return it->second; + } + return std::string(); +} + +inline size_t Request::get_param_value_count(const std::string &key) const { + auto r = params.equal_range(key); + return static_cast(std::distance(r.first, r.second)); +} + +inline bool Request::is_multipart_form_data() const { + const auto &content_type = get_header_value("Content-Type"); + return !content_type.rfind("multipart/form-data", 0); +} + +inline bool Request::has_file(const std::string &key) const { + return files.find(key) != files.end(); +} + +inline MultipartFormData Request::get_file_value(const std::string &key) const { + auto it = files.find(key); + if (it != files.end()) { + return it->second; + } + return MultipartFormData(); +} + +inline std::vector Request::get_file_values(const std::string &key) const { + std::vector values; + auto rng = files.equal_range(key); + for (auto it = rng.first; it != rng.second; it++) { + values.push_back(it->second); + } + return values; +} + +// Response implementation +inline bool Response::has_header(const std::string &key) const { + return headers.find(key) != headers.end(); +} + +inline std::string Response::get_header_value(const std::string &key, size_t id) const { + return detail::get_header_value(headers, key, id, ""); +} + +inline size_t Response::get_header_value_count(const std::string &key) const { + auto r = headers.equal_range(key); + return static_cast(std::distance(r.first, r.second)); +} + +inline void Response::set_header(const std::string &key, const std::string &val) { + if (!detail::has_crlf(key) && !detail::has_crlf(val)) { + headers.emplace(key, val); + } +} + +inline void Response::set_redirect(const std::string &url, int stat) { + if (!detail::has_crlf(url)) { + set_header("Location", url); + if (300 <= stat && stat < 400) { + this->status = stat; + } else { + this->status = 302; + } + } +} + +inline void Response::set_content(const char *s, size_t n, const std::string &content_type) { + body.assign(s, n); + + auto rng = headers.equal_range("Content-Type"); + headers.erase(rng.first, rng.second); + set_header("Content-Type", content_type); +} + +inline void Response::set_content(const std::string &s, const std::string &content_type) { + set_content(s.data(), s.size(), content_type); +} + +inline void Response::set_content_provider(size_t in_length, + const std::string &content_type, + ContentProvider provider, + ContentProviderResourceReleaser resource_releaser) { + set_header("Content-Type", content_type); + content_length_ = in_length; + if (in_length > 0) { + content_provider_ = std::move(provider); + } + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider_ = false; +} + +inline void Response::set_content_provider(const std::string &content_type, + ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser) { + set_header("Content-Type", content_type); + content_length_ = 0; + content_provider_ = detail::ContentProviderAdapter(std::move(provider)); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider_ = false; +} + +inline void Response::set_chunked_content_provider(const std::string &content_type, + ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser) { + set_header("Content-Type", content_type); + content_length_ = 0; + content_provider_ = detail::ContentProviderAdapter(std::move(provider)); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider_ = true; +} + +// Result implementation +inline bool Result::has_request_header(const std::string &key) const { + return request_headers_.find(key) != request_headers_.end(); +} + +inline std::string Result::get_request_header_value(const std::string &key, size_t id) const { + return detail::get_header_value(request_headers_, key, id, ""); +} + +inline size_t Result::get_request_header_value_count(const std::string &key) const { + auto r = request_headers_.equal_range(key); + return static_cast(std::distance(r.first, r.second)); +} + +// Stream implementation +inline ssize_t Stream::write(const char *ptr) { + return write(ptr, strlen(ptr)); +} + +inline ssize_t Stream::write(const std::string &s) { + return write(s.data(), s.size()); +} + +namespace detail { + +// Socket stream implementation +inline SocketStream::SocketStream(socket_t sock, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec) + : sock_(sock), + read_timeout_sec_(read_timeout_sec), + read_timeout_usec_(read_timeout_usec), + write_timeout_sec_(write_timeout_sec), + write_timeout_usec_(write_timeout_usec), + read_buff_(read_buff_size_, 0) { +} + +inline SocketStream::~SocketStream() { +} + +inline bool SocketStream::is_readable() const { + return select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; +} + +inline bool SocketStream::is_writable() const { + return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 && is_socket_alive(sock_); +} + +inline ssize_t SocketStream::read(char *ptr, size_t size) { +#ifdef _WIN32 + size = (std::min)(size, static_cast((std::numeric_limits::max)())); +#else + size = (std::min)(size, static_cast((std::numeric_limits::max)())); +#endif + + if (read_buff_off_ < read_buff_content_size_) { + auto remaining_size = read_buff_content_size_ - read_buff_off_; + if (size <= remaining_size) { + memcpy(ptr, read_buff_.data() + read_buff_off_, size); + read_buff_off_ += size; + return static_cast(size); + } else { + memcpy(ptr, read_buff_.data() + read_buff_off_, remaining_size); + read_buff_off_ += remaining_size; + return static_cast(remaining_size); + } + } + + if (!is_readable()) { + return -1; + } + + read_buff_off_ = 0; + read_buff_content_size_ = 0; + + if (size < read_buff_size_) { + auto n = read_socket(sock_, read_buff_.data(), read_buff_size_, CPPHTTPLIB_RECV_FLAGS); + if (n <= 0) { + return n; + } else if (n <= static_cast(size)) { + memcpy(ptr, read_buff_.data(), static_cast(n)); + return n; + } else { + memcpy(ptr, read_buff_.data(), size); + read_buff_off_ = size; + read_buff_content_size_ = static_cast(n); + return static_cast(size); + } + } else { + return read_socket(sock_, ptr, size, CPPHTTPLIB_RECV_FLAGS); + } +} + +inline ssize_t SocketStream::write(const char *ptr, size_t size) { + if (!is_writable()) { + return -1; + } + +#if defined(_WIN32) && !defined(_WIN64) + size = (std::min)(size, static_cast((std::numeric_limits::max)())); +#endif + + return send_socket(sock_, ptr, size, CPPHTTPLIB_SEND_FLAGS); +} + +inline void SocketStream::get_remote_ip_and_port(std::string &ip, int &port) const { + return detail::get_remote_ip_and_port(sock_, ip, port); +} + +inline void SocketStream::get_local_ip_and_port(std::string &ip, int &port) const { + return detail::get_local_ip_and_port(sock_, ip, port); +} + +inline socket_t SocketStream::socket() const { + return sock_; +} + +// Buffer stream implementation +inline bool BufferStream::is_readable() const { + return true; +} + +inline bool BufferStream::is_writable() const { + return true; +} + +inline ssize_t BufferStream::read(char *ptr, size_t size) { +#if defined(_MSC_VER) && _MSC_VER < 1910 + auto len_read = buffer._Copy_s(ptr, size, size, position); +#else + auto len_read = buffer.copy(ptr, size, position); +#endif + position += static_cast(len_read); + return static_cast(len_read); +} + +inline ssize_t BufferStream::write(const char *ptr, size_t size) { + buffer.append(ptr, size); + return static_cast(size); +} + +inline void BufferStream::get_remote_ip_and_port(std::string & /*ip*/, int & /*port*/) const { +} + +inline void BufferStream::get_local_ip_and_port(std::string & /*ip*/, int & /*port*/) const { +} + +inline socket_t BufferStream::socket() const { + return 0; +} + +inline const std::string &BufferStream::get_buffer() const { + return buffer; +} + +inline PathParamsMatcher::PathParamsMatcher(const std::string &pattern) { + // One past the last ending position of a path param substring + std::size_t last_param_end = 0; + +#ifndef CPPHTTPLIB_NO_EXCEPTIONS + // Needed to ensure that parameter names are unique during matcher + // construction + // If exceptions are disabled, only last duplicate path + // parameter will be set + std::unordered_set param_name_set; +#endif + + while (true) { + const auto marker_pos = pattern.find(marker, last_param_end); + if (marker_pos == std::string::npos) { + break; + } + + static_fragments_.push_back(pattern.substr(last_param_end, marker_pos - last_param_end)); + + const auto param_name_start = marker_pos + 1; + + auto sep_pos = pattern.find(separator, param_name_start); + if (sep_pos == std::string::npos) { + sep_pos = pattern.length(); + } + + auto param_name = pattern.substr(param_name_start, sep_pos - param_name_start); + +#ifndef CPPHTTPLIB_NO_EXCEPTIONS + if (param_name_set.find(param_name) != param_name_set.cend()) { + std::string msg = "Encountered path parameter '" + param_name + "' multiple times in route pattern '" + + pattern + "'."; + throw std::invalid_argument(msg); + } +#endif + + param_names_.push_back(std::move(param_name)); + + last_param_end = sep_pos + 1; + } + + if (last_param_end < pattern.length()) { + static_fragments_.push_back(pattern.substr(last_param_end)); + } +} + +inline bool PathParamsMatcher::match(Request &request) const { + request.matches = std::smatch(); + request.path_params.clear(); + request.path_params.reserve(param_names_.size()); + + // One past the position at which the path matched the pattern last time + std::size_t starting_pos = 0; + for (size_t i = 0; i < static_fragments_.size(); ++i) { + const auto &fragment = static_fragments_[i]; + + if (starting_pos + fragment.length() > request.path.length()) { + return false; + } + + // Avoid unnecessary allocation by using strncmp instead of substr + + // comparison + if (std::strncmp(request.path.c_str() + starting_pos, fragment.c_str(), fragment.length()) != 0) { + return false; + } + + starting_pos += fragment.length(); + + // Should only happen when we have a static fragment after a param + // Example: '/users/:id/subscriptions' + // The 'subscriptions' fragment here does not have a corresponding param + if (i >= param_names_.size()) { + continue; + } + + auto sep_pos = request.path.find(separator, starting_pos); + if (sep_pos == std::string::npos) { + sep_pos = request.path.length(); + } + + const auto ¶m_name = param_names_[i]; + + request.path_params.emplace(param_name, request.path.substr(starting_pos, sep_pos - starting_pos)); + + // Mark everythin up to '/' as matched + starting_pos = sep_pos + 1; + } + // Returns false if the path is longer than the pattern + return starting_pos >= request.path.length(); +} + +inline bool RegexMatcher::match(Request &request) const { + request.path_params.clear(); + return std::regex_match(request.path, request.matches, regex_); +} + +} // namespace detail + +// HTTP server implementation +inline Server::Server() : new_task_queue([] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }) { +#ifndef _WIN32 + signal(SIGPIPE, SIG_IGN); +#endif +} + +inline Server::~Server() { +} + +inline std::unique_ptr Server::make_matcher(const std::string &pattern) { + if (pattern.find("/:") != std::string::npos) { + return detail::make_unique(pattern); + } else { + return detail::make_unique(pattern); + } +} + +inline Server &Server::Get(const std::string &pattern, Handler handler) { + get_handlers_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Post(const std::string &pattern, Handler handler) { + post_handlers_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Post(const std::string &pattern, HandlerWithContentReader handler) { + post_handlers_for_content_reader_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Put(const std::string &pattern, Handler handler) { + put_handlers_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Put(const std::string &pattern, HandlerWithContentReader handler) { + put_handlers_for_content_reader_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Patch(const std::string &pattern, Handler handler) { + patch_handlers_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Patch(const std::string &pattern, HandlerWithContentReader handler) { + patch_handlers_for_content_reader_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Delete(const std::string &pattern, Handler handler) { + delete_handlers_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Delete(const std::string &pattern, HandlerWithContentReader handler) { + delete_handlers_for_content_reader_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline Server &Server::Options(const std::string &pattern, Handler handler) { + options_handlers_.push_back(std::make_pair(make_matcher(pattern), std::move(handler))); + return *this; +} + +inline bool Server::set_base_dir(const std::string &dir, const std::string &mount_point) { + return set_mount_point(mount_point, dir); +} + +inline bool Server::set_mount_point(const std::string &mount_point, const std::string &dir, Headers headers) { + if (detail::is_dir(dir)) { + std::string mnt = !mount_point.empty() ? mount_point : "/"; + if (!mnt.empty() && mnt[0] == '/') { + base_dirs_.push_back({mnt, dir, std::move(headers)}); + return true; + } + } + return false; +} + +inline bool Server::remove_mount_point(const std::string &mount_point) { + for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) { + if (it->mount_point == mount_point) { + base_dirs_.erase(it); + return true; + } + } + return false; +} + +inline Server &Server::set_file_extension_and_mimetype_mapping(const std::string &ext, const std::string &mime) { + file_extension_and_mimetype_map_[ext] = mime; + return *this; +} + +inline Server &Server::set_file_request_handler(Handler handler) { + file_request_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_error_handler(HandlerWithResponse handler) { + error_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_error_handler(Handler handler) { + error_handler_ = [handler](const Request &req, Response &res) { + handler(req, res); + return HandlerResponse::Handled; + }; + return *this; +} + +inline Server &Server::set_exception_handler(ExceptionHandler handler) { + exception_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_pre_routing_handler(HandlerWithResponse handler) { + pre_routing_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_post_routing_handler(Handler handler) { + post_routing_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_logger(Logger logger) { + logger_ = std::move(logger); + return *this; +} + +inline Server &Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) { + expect_100_continue_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_address_family(int family) { + address_family_ = family; + return *this; +} + +inline Server &Server::set_tcp_nodelay(bool on) { + tcp_nodelay_ = on; + return *this; +} + +inline Server &Server::set_socket_options(SocketOptions socket_options) { + socket_options_ = std::move(socket_options); + return *this; +} + +inline Server &Server::set_default_headers(Headers headers) { + default_headers_ = std::move(headers); + return *this; +} + +inline Server &Server::set_keep_alive_max_count(size_t count) { + keep_alive_max_count_ = count; + return *this; +} + +inline Server &Server::set_keep_alive_timeout(time_t sec) { + keep_alive_timeout_sec_ = sec; + return *this; +} + +inline Server &Server::set_read_timeout(time_t sec, time_t usec) { + read_timeout_sec_ = sec; + read_timeout_usec_ = usec; + return *this; +} + +inline Server &Server::set_write_timeout(time_t sec, time_t usec) { + write_timeout_sec_ = sec; + write_timeout_usec_ = usec; + return *this; +} + +inline Server &Server::set_idle_interval(time_t sec, time_t usec) { + idle_interval_sec_ = sec; + idle_interval_usec_ = usec; + return *this; +} + +inline Server &Server::set_payload_max_length(size_t length) { + payload_max_length_ = length; + return *this; +} + +inline bool Server::bind_to_port(const std::string &host, int port, int socket_flags) { + if (bind_internal(host, port, socket_flags) < 0) { + return false; + } + return true; +} + +inline int Server::bind_to_any_port(const std::string &host, int socket_flags) { + return bind_internal(host, 0, socket_flags); +} + +inline bool Server::listen_after_bind() { + auto se = detail::scope_exit([&]() { done_ = true; }); + return listen_internal(); +} + +inline bool Server::listen(const std::string &host, int port, int socket_flags) { + auto se = detail::scope_exit([&]() { done_ = true; }); + return bind_to_port(host, port, socket_flags) && listen_internal(); +} + +inline bool Server::is_running() const { + return is_running_; +} + +inline void Server::wait_until_ready() const { + while (!is_running() && !done_) { + std::this_thread::sleep_for(std::chrono::milliseconds {1}); + } +} + +inline void Server::stop() { + if (is_running_) { + assert(svr_sock_ != INVALID_SOCKET); + std::atomic sock(svr_sock_.exchange(INVALID_SOCKET)); + detail::shutdown_socket(sock); + detail::close_socket(sock); + } +} + +inline bool Server::parse_request_line(const char *s, Request &req) { + auto len = strlen(s); + if (len < 2 || s[len - 2] != '\r' || s[len - 1] != '\n') { + return false; + } + len -= 2; + + { + size_t count = 0; + + detail::split(s, s + len, ' ', [&](const char *b, const char *e) { + switch (count) { + case 0: + req.method = std::string(b, e); + break; + case 1: + req.target = std::string(b, e); + break; + case 2: + req.version = std::string(b, e); + break; + default: + break; + } + count++; + }); + + if (count != 3) { + return false; + } + } + + static const std::set + methods {"GET", "HEAD", "POST", "PUT", "DELETE", "CONNECT", "OPTIONS", "TRACE", "PATCH", "PRI"}; + + if (methods.find(req.method) == methods.end()) { + return false; + } + + if (req.version != "HTTP/1.1" && req.version != "HTTP/1.0") { + return false; + } + + { + // Skip URL fragment + for (size_t i = 0; i < req.target.size(); i++) { + if (req.target[i] == '#') { + req.target.erase(i); + break; + } + } + + size_t count = 0; + + detail::split(req.target.data(), req.target.data() + req.target.size(), '?', [&](const char *b, const char *e) { + switch (count) { + case 0: + req.path = detail::decode_url(std::string(b, e), false); + break; + case 1: { + if (e - b > 0) { + detail::parse_query_text(std::string(b, e), req.params); + } + break; + } + default: + break; + } + count++; + }); + + if (count > 2) { + return false; + } + } + + return true; +} + +inline bool Server::write_response(Stream &strm, bool close_connection, const Request &req, Response &res) { + return write_response_core(strm, close_connection, req, res, false); +} + +inline bool Server::write_response_with_content(Stream &strm, + bool close_connection, + const Request &req, + Response &res) { + return write_response_core(strm, close_connection, req, res, true); +} + +inline bool Server::write_response_core(Stream &strm, + bool close_connection, + const Request &req, + Response &res, + bool need_apply_ranges) { + assert(res.status != -1); + + if (400 <= res.status && error_handler_ && error_handler_(req, res) == HandlerResponse::Handled) { + need_apply_ranges = true; + } + + std::string content_type; + std::string boundary; + if (need_apply_ranges) { + apply_ranges(req, res, content_type, boundary); + } + + // Prepare additional headers + if (close_connection || req.get_header_value("Connection") == "close") { + res.set_header("Connection", "close"); + } else { + std::stringstream ss; + ss << "timeout=" << keep_alive_timeout_sec_ << ", max=" << keep_alive_max_count_; + res.set_header("Keep-Alive", ss.str()); + } + + if (!res.has_header("Content-Type") && (!res.body.empty() || res.content_length_ > 0 || res.content_provider_)) { + res.set_header("Content-Type", "text/plain"); + } + + if (!res.has_header("Content-Length") && res.body.empty() && !res.content_length_ && !res.content_provider_) { + res.set_header("Content-Length", "0"); + } + + if (!res.has_header("Accept-Ranges") && req.method == "HEAD") { + res.set_header("Accept-Ranges", "bytes"); + } + + if (post_routing_handler_) { + post_routing_handler_(req, res); + } + + // Response line and headers + { + detail::BufferStream bstrm; + + if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status, detail::status_message(res.status))) { + return false; + } + + if (!detail::write_headers(bstrm, res.headers)) { + return false; + } + + // Flush buffer + auto &data = bstrm.get_buffer(); + detail::write_data(strm, data.data(), data.size()); + } + + // Body + auto ret = true; + if (req.method != "HEAD") { + if (!res.body.empty()) { + if (!detail::write_data(strm, res.body.data(), res.body.size())) { + ret = false; + } + } else if (res.content_provider_) { + if (write_content_with_provider(strm, req, res, boundary, content_type)) { + res.content_provider_success_ = true; + } else { + res.content_provider_success_ = false; + ret = false; + } + } + } + + // Log + if (logger_) { + logger_(req, res); + } + + return ret; +} + +inline bool Server::write_content_with_provider(Stream &strm, + const Request &req, + Response &res, + const std::string &boundary, + const std::string &content_type) { + auto is_shutting_down = [this]() { return this->svr_sock_ == INVALID_SOCKET; }; + + if (res.content_length_ > 0) { + if (req.ranges.empty()) { + return detail::write_content(strm, res.content_provider_, 0, res.content_length_, is_shutting_down); + } else if (req.ranges.size() == 1) { + auto offsets = detail::get_range_offset_and_length(req, res.content_length_, 0); + auto offset = offsets.first; + auto length = offsets.second; + return detail::write_content(strm, res.content_provider_, offset, length, is_shutting_down); + } else { + return detail::write_multipart_ranges_data(strm, req, res, boundary, content_type, is_shutting_down); + } + } else { + if (res.is_chunked_content_provider_) { + auto type = detail::encoding_type(req, res); + + std::unique_ptr compressor; + if (type == detail::EncodingType::Gzip) { +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + compressor = detail::make_unique(); +#endif + } else if (type == detail::EncodingType::Brotli) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + compressor = detail::make_unique(); +#endif + } else { + compressor = detail::make_unique(); + } + assert(compressor != nullptr); + + return detail::write_content_chunked(strm, res.content_provider_, is_shutting_down, *compressor); + } else { + return detail::write_content_without_length(strm, res.content_provider_, is_shutting_down); + } + } +} + +inline bool Server::read_content(Stream &strm, Request &req, Response &res) { + MultipartFormDataMap::iterator cur; + auto file_count = 0; + if (read_content_core( + strm, + req, + res, + // Regular + [&](const char *buf, size_t n) { + if (req.body.size() + n > req.body.max_size()) { + return false; + } + req.body.append(buf, n); + return true; + }, + // Multipart + [&](const MultipartFormData &file) { + if (file_count++ == CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT) { + return false; + } + cur = req.files.emplace(file.name, file); + return true; + }, + [&](const char *buf, size_t n) { + auto &content = cur->second.content; + if (content.size() + n > content.max_size()) { + return false; + } + content.append(buf, n); + return true; + })) { + const auto &content_type = req.get_header_value("Content-Type"); + if (!content_type.find("application/x-www-form-urlencoded")) { + if (req.body.size() > CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH) { + res.status = 413; // NOTE: should be 414? + return false; + } + detail::parse_query_text(req.body, req.params); + } + return true; + } + return false; +} + +inline bool Server::read_content_with_content_receiver(Stream &strm, + Request &req, + Response &res, + ContentReceiver receiver, + MultipartContentHeader multipart_header, + ContentReceiver multipart_receiver) { + return read_content_core(strm, + req, + res, + std::move(receiver), + std::move(multipart_header), + std::move(multipart_receiver)); +} + +inline bool Server::read_content_core(Stream &strm, + Request &req, + Response &res, + ContentReceiver receiver, + MultipartContentHeader multipart_header, + ContentReceiver multipart_receiver) { + detail::MultipartFormDataParser multipart_form_data_parser; + ContentReceiverWithProgress out; + + if (req.is_multipart_form_data()) { + const auto &content_type = req.get_header_value("Content-Type"); + std::string boundary; + if (!detail::parse_multipart_boundary(content_type, boundary)) { + res.status = 400; + return false; + } + + multipart_form_data_parser.set_boundary(std::move(boundary)); + out = [&](const char *buf, size_t n, uint64_t /*off*/, uint64_t /*len*/) { + /* For debug + size_t pos = 0; + while (pos < n) { + auto read_size = (std::min)(1, n - pos); + auto ret = multipart_form_data_parser.parse( + buf + pos, read_size, multipart_receiver, multipart_header); + if (!ret) { return false; } + pos += read_size; + } + return true; + */ + return multipart_form_data_parser.parse(buf, n, multipart_receiver, multipart_header); + }; + } else { + out = [receiver](const char *buf, size_t n, uint64_t /*off*/, uint64_t /*len*/) { return receiver(buf, n); }; + } + + if (req.method == "DELETE" && !req.has_header("Content-Length")) { + return true; + } + + if (!detail::read_content(strm, req, payload_max_length_, res.status, nullptr, out, true)) { + return false; + } + + if (req.is_multipart_form_data()) { + if (!multipart_form_data_parser.is_valid()) { + res.status = 400; + return false; + } + } + + return true; +} + +inline bool Server::handle_file_request(const Request &req, Response &res, bool head) { + for (const auto &entry : base_dirs_) { + // Prefix match + if (!req.path.compare(0, entry.mount_point.size(), entry.mount_point)) { + std::string sub_path = "/" + req.path.substr(entry.mount_point.size()); + if (detail::is_valid_path(sub_path)) { + auto path = entry.base_dir + sub_path; + if (path.back() == '/') { + path += "index.html"; + } + + if (detail::is_file(path)) { + detail::read_file(path, res.body); + auto type = detail::find_content_type(path, file_extension_and_mimetype_map_); + if (type) { + res.set_header("Content-Type", type); + } + for (const auto &kv : entry.headers) { + res.set_header(kv.first.c_str(), kv.second); + } + res.status = req.has_header("Range") ? 206 : 200; + if (!head && file_request_handler_) { + file_request_handler_(req, res); + } + return true; + } + } + } + } + return false; +} + +inline socket_t Server::create_server_socket(const std::string &host, + int port, + int socket_flags, + SocketOptions socket_options) const { + return detail::create_socket(host, + std::string(), + port, + address_family_, + socket_flags, + tcp_nodelay_, + std::move(socket_options), + [](socket_t sock, struct addrinfo &ai) -> bool { + if (::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { + return false; + } + if (::listen(sock, CPPHTTPLIB_LISTEN_BACKLOG)) { + return false; + } + return true; + }); +} + +inline int Server::bind_internal(const std::string &host, int port, int socket_flags) { + if (!is_valid()) { + return -1; + } + + svr_sock_ = create_server_socket(host, port, socket_flags, socket_options_); + if (svr_sock_ == INVALID_SOCKET) { + return -1; + } + + if (port == 0) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + if (getsockname(svr_sock_, reinterpret_cast(&addr), &addr_len) == -1) { + return -1; + } + if (addr.ss_family == AF_INET) { + return ntohs(reinterpret_cast(&addr)->sin_port); + } else if (addr.ss_family == AF_INET6) { + return ntohs(reinterpret_cast(&addr)->sin6_port); + } else { + return -1; + } + } else { + return port; + } +} + +inline bool Server::listen_internal() { + auto ret = true; + is_running_ = true; + auto se = detail::scope_exit([&]() { is_running_ = false; }); + + { + std::unique_ptr task_queue(new_task_queue()); + + while (svr_sock_ != INVALID_SOCKET) { +#ifndef _WIN32 + if (idle_interval_sec_ > 0 || idle_interval_usec_ > 0) { +#endif + auto val = detail::select_read(svr_sock_, idle_interval_sec_, idle_interval_usec_); + if (val == 0) { // Timeout + task_queue->on_idle(); + continue; + } +#ifndef _WIN32 + } +#endif + socket_t sock = accept(svr_sock_, nullptr, nullptr); + + if (sock == INVALID_SOCKET) { + if (errno == EMFILE) { + // The per-process limit of open file descriptors has been reached. + // Try to accept new connections after a short sleep. + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + continue; + } else if (errno == EINTR || errno == EAGAIN) { + continue; + } + if (svr_sock_ != INVALID_SOCKET) { + detail::close_socket(svr_sock_); + ret = false; + } else { + ; // The server socket was closed by user. + } + break; + } + + { +#ifdef _WIN32 + auto timeout = static_cast(read_timeout_sec_ * 1000 + read_timeout_usec_ / 1000); + setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, reinterpret_cast(&timeout), sizeof(timeout)); +#else + timeval tv; + tv.tv_sec = static_cast(read_timeout_sec_); + tv.tv_usec = static_cast(read_timeout_usec_); + setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, reinterpret_cast(&tv), sizeof(tv)); +#endif + } + { + +#ifdef _WIN32 + auto timeout = static_cast(write_timeout_sec_ * 1000 + write_timeout_usec_ / 1000); + setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, reinterpret_cast(&timeout), sizeof(timeout)); +#else + timeval tv; + tv.tv_sec = static_cast(write_timeout_sec_); + tv.tv_usec = static_cast(write_timeout_usec_); + setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, reinterpret_cast(&tv), sizeof(tv)); +#endif + } + + task_queue->enqueue([this, sock]() { process_and_close_socket(sock); }); + } + + task_queue->shutdown(); + } + + return ret; +} + +inline bool Server::routing(Request &req, Response &res, Stream &strm) { + if (pre_routing_handler_ && pre_routing_handler_(req, res) == HandlerResponse::Handled) { + return true; + } + + // File handler + auto is_head_request = req.method == "HEAD"; + if ((req.method == "GET" || is_head_request) && handle_file_request(req, res, is_head_request)) { + return true; + } + + if (detail::expect_content(req)) { + // Content reader handler + { + ContentReader reader( + [&](ContentReceiver receiver) { + return read_content_with_content_receiver(strm, req, res, std::move(receiver), nullptr, nullptr); + }, + [&](MultipartContentHeader header, ContentReceiver receiver) { + return read_content_with_content_receiver(strm, + req, + res, + nullptr, + std::move(header), + std::move(receiver)); + }); + + if (req.method == "POST") { + if (dispatch_request_for_content_reader(req, + res, + std::move(reader), + post_handlers_for_content_reader_)) { + return true; + } + } else if (req.method == "PUT") { + if (dispatch_request_for_content_reader(req, + res, + std::move(reader), + put_handlers_for_content_reader_)) { + return true; + } + } else if (req.method == "PATCH") { + if (dispatch_request_for_content_reader(req, + res, + std::move(reader), + patch_handlers_for_content_reader_)) { + return true; + } + } else if (req.method == "DELETE") { + if (dispatch_request_for_content_reader(req, + res, + std::move(reader), + delete_handlers_for_content_reader_)) { + return true; + } + } + } + + // Read content into `req.body` + if (!read_content(strm, req, res)) { + return false; + } + } + + // Regular handler + if (req.method == "GET" || req.method == "HEAD") { + return dispatch_request(req, res, get_handlers_); + } else if (req.method == "POST") { + return dispatch_request(req, res, post_handlers_); + } else if (req.method == "PUT") { + return dispatch_request(req, res, put_handlers_); + } else if (req.method == "DELETE") { + return dispatch_request(req, res, delete_handlers_); + } else if (req.method == "OPTIONS") { + return dispatch_request(req, res, options_handlers_); + } else if (req.method == "PATCH") { + return dispatch_request(req, res, patch_handlers_); + } + + res.status = 400; + return false; +} + +inline bool Server::dispatch_request(Request &req, Response &res, const Handlers &handlers) { + for (const auto &x : handlers) { + const auto &matcher = x.first; + const auto &handler = x.second; + + if (matcher->match(req)) { + handler(req, res); + return true; + } + } + return false; +} + +inline void Server::apply_ranges(const Request &req, Response &res, std::string &content_type, std::string &boundary) { + if (req.ranges.size() > 1) { + boundary = detail::make_multipart_data_boundary(); + + auto it = res.headers.find("Content-Type"); + if (it != res.headers.end()) { + content_type = it->second; + res.headers.erase(it); + } + + res.set_header("Content-Type", "multipart/byteranges; boundary=" + boundary); + } + + auto type = detail::encoding_type(req, res); + + if (res.body.empty()) { + if (res.content_length_ > 0) { + size_t length = 0; + if (req.ranges.empty()) { + length = res.content_length_; + } else if (req.ranges.size() == 1) { + auto offsets = detail::get_range_offset_and_length(req, res.content_length_, 0); + auto offset = offsets.first; + length = offsets.second; + auto content_range = detail::make_content_range_header_field(offset, length, res.content_length_); + res.set_header("Content-Range", content_range); + } else { + length = detail::get_multipart_ranges_data_length(req, res, boundary, content_type); + } + res.set_header("Content-Length", std::to_string(length)); + } else { + if (res.content_provider_) { + if (res.is_chunked_content_provider_) { + res.set_header("Transfer-Encoding", "chunked"); + if (type == detail::EncodingType::Gzip) { + res.set_header("Content-Encoding", "gzip"); + } else if (type == detail::EncodingType::Brotli) { + res.set_header("Content-Encoding", "br"); + } + } + } + } + } else { + if (req.ranges.empty()) { + ; + } else if (req.ranges.size() == 1) { + auto offsets = detail::get_range_offset_and_length(req, res.body.size(), 0); + auto offset = offsets.first; + auto length = offsets.second; + auto content_range = detail::make_content_range_header_field(offset, length, res.body.size()); + res.set_header("Content-Range", content_range); + if (offset < res.body.size()) { + res.body = res.body.substr(offset, length); + } else { + res.body.clear(); + res.status = 416; + } + } else { + std::string data; + if (detail::make_multipart_ranges_data(req, res, boundary, content_type, data)) { + res.body.swap(data); + } else { + res.body.clear(); + res.status = 416; + } + } + + if (type != detail::EncodingType::None) { + std::unique_ptr compressor; + std::string content_encoding; + + if (type == detail::EncodingType::Gzip) { +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + compressor = detail::make_unique(); + content_encoding = "gzip"; +#endif + } else if (type == detail::EncodingType::Brotli) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + compressor = detail::make_unique(); + content_encoding = "br"; +#endif + } + + if (compressor) { + std::string compressed; + if (compressor->compress(res.body.data(), + res.body.size(), + true, + [&](const char *data, size_t data_len) { + compressed.append(data, data_len); + return true; + })) { + res.body.swap(compressed); + res.set_header("Content-Encoding", content_encoding); + } + } + } + + auto length = std::to_string(res.body.size()); + res.set_header("Content-Length", length); + } +} + +inline bool Server::dispatch_request_for_content_reader(Request &req, + Response &res, + ContentReader content_reader, + const HandlersForContentReader &handlers) { + for (const auto &x : handlers) { + const auto &matcher = x.first; + const auto &handler = x.second; + + if (matcher->match(req)) { + handler(req, res, content_reader); + return true; + } + } + return false; +} + +inline bool Server::process_request(Stream &strm, + bool close_connection, + bool &connection_closed, + const std::function &setup_request) { + std::array buf {}; + + detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); + + // Connection has been closed on client + if (!line_reader.getline()) { + return false; + } + + Request req; + Response res; + + res.version = "HTTP/1.1"; + + for (const auto &header : default_headers_) { + if (res.headers.find(header.first) == res.headers.end()) { + res.headers.insert(header); + } + } + +#ifdef _WIN32 + // TODO: Increase FD_SETSIZE statically (libzmq), dynamically (MySQL). +#else +#ifndef CPPHTTPLIB_USE_POLL + // Socket file descriptor exceeded FD_SETSIZE... + if (strm.socket() >= FD_SETSIZE) { + Headers dummy; + detail::read_headers(strm, dummy); + res.status = 500; + return write_response(strm, close_connection, req, res); + } +#endif +#endif + + // Check if the request URI doesn't exceed the limit + if (line_reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) { + Headers dummy; + detail::read_headers(strm, dummy); + res.status = 414; + return write_response(strm, close_connection, req, res); + } + + // Request line and headers + if (!parse_request_line(line_reader.ptr(), req) || !detail::read_headers(strm, req.headers)) { + res.status = 400; + return write_response(strm, close_connection, req, res); + } + + if (req.get_header_value("Connection") == "close") { + connection_closed = true; + } + + if (req.version == "HTTP/1.0" && req.get_header_value("Connection") != "Keep-Alive") { + connection_closed = true; + } + + strm.get_remote_ip_and_port(req.remote_addr, req.remote_port); + req.set_header("REMOTE_ADDR", req.remote_addr); + req.set_header("REMOTE_PORT", std::to_string(req.remote_port)); + + strm.get_local_ip_and_port(req.local_addr, req.local_port); + req.set_header("LOCAL_ADDR", req.local_addr); + req.set_header("LOCAL_PORT", std::to_string(req.local_port)); + + if (req.has_header("Range")) { + const auto &range_header_value = req.get_header_value("Range"); + if (!detail::parse_range_header(range_header_value, req.ranges)) { + res.status = 416; + return write_response(strm, close_connection, req, res); + } + } + + if (setup_request) { + setup_request(req); + } + + if (req.get_header_value("Expect") == "100-continue") { + auto status = 100; + if (expect_100_continue_handler_) { + status = expect_100_continue_handler_(req, res); + } + switch (status) { + case 100: + case 417: + strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status, detail::status_message(status)); + break; + default: + return write_response(strm, close_connection, req, res); + } + } + + // Rounting + bool routed = false; +#ifdef CPPHTTPLIB_NO_EXCEPTIONS + routed = routing(req, res, strm); +#else + try { + routed = routing(req, res, strm); + } + catch (std::exception &e) { + if (exception_handler_) { + auto ep = std::current_exception(); + exception_handler_(req, res, ep); + routed = true; + } else { + res.status = 500; + std::string val; + auto s = e.what(); + for (size_t i = 0; s[i]; i++) { + switch (s[i]) { + case '\r': + val += "\\r"; + break; + case '\n': + val += "\\n"; + break; + default: + val += s[i]; + break; + } + } + res.set_header("EXCEPTION_WHAT", val); + } + } + catch (...) { + if (exception_handler_) { + auto ep = std::current_exception(); + exception_handler_(req, res, ep); + routed = true; + } else { + res.status = 500; + res.set_header("EXCEPTION_WHAT", "UNKNOWN"); + } + } +#endif + + if (routed) { + if (res.status == -1) { + res.status = req.ranges.empty() ? 200 : 206; + } + return write_response_with_content(strm, close_connection, req, res); + } else { + if (res.status == -1) { + res.status = 404; + } + return write_response(strm, close_connection, req, res); + } +} + +inline bool Server::is_valid() const { + return true; +} + +inline bool Server::process_and_close_socket(socket_t sock) { + auto ret = detail::process_server_socket( + svr_sock_, + sock, + keep_alive_max_count_, + keep_alive_timeout_sec_, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + [this](Stream &strm, bool close_connection, bool &connection_closed) { + return process_request(strm, close_connection, connection_closed, nullptr); + }); + + detail::shutdown_socket(sock); + detail::close_socket(sock); + return ret; +} + +// HTTP client implementation +inline ClientImpl::ClientImpl(const std::string &host) : ClientImpl(host, 80, std::string(), std::string()) { +} + +inline ClientImpl::ClientImpl(const std::string &host, int port) + : ClientImpl(host, port, std::string(), std::string()) { +} + +inline ClientImpl::ClientImpl(const std::string &host, + int port, + const std::string &client_cert_path, + const std::string &client_key_path) + : host_(host), + port_(port), + host_and_port_(adjust_host_string(host) + ":" + std::to_string(port)), + client_cert_path_(client_cert_path), + client_key_path_(client_key_path) { +} + +inline ClientImpl::~ClientImpl() { + std::lock_guard guard(socket_mutex_); + shutdown_socket(socket_); + close_socket(socket_); +} + +inline bool ClientImpl::is_valid() const { + return true; +} + +inline void ClientImpl::copy_settings(const ClientImpl &rhs) { + client_cert_path_ = rhs.client_cert_path_; + client_key_path_ = rhs.client_key_path_; + connection_timeout_sec_ = rhs.connection_timeout_sec_; + read_timeout_sec_ = rhs.read_timeout_sec_; + read_timeout_usec_ = rhs.read_timeout_usec_; + write_timeout_sec_ = rhs.write_timeout_sec_; + write_timeout_usec_ = rhs.write_timeout_usec_; + basic_auth_username_ = rhs.basic_auth_username_; + basic_auth_password_ = rhs.basic_auth_password_; + bearer_token_auth_token_ = rhs.bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + digest_auth_username_ = rhs.digest_auth_username_; + digest_auth_password_ = rhs.digest_auth_password_; +#endif + keep_alive_ = rhs.keep_alive_; + follow_location_ = rhs.follow_location_; + url_encode_ = rhs.url_encode_; + address_family_ = rhs.address_family_; + tcp_nodelay_ = rhs.tcp_nodelay_; + socket_options_ = rhs.socket_options_; + compress_ = rhs.compress_; + decompress_ = rhs.decompress_; + interface_ = rhs.interface_; + proxy_host_ = rhs.proxy_host_; + proxy_port_ = rhs.proxy_port_; + proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_; + proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_; + proxy_bearer_token_auth_token_ = rhs.proxy_bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; + proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; +#endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + ca_cert_file_path_ = rhs.ca_cert_file_path_; + ca_cert_dir_path_ = rhs.ca_cert_dir_path_; + ca_cert_store_ = rhs.ca_cert_store_; +#endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + server_certificate_verification_ = rhs.server_certificate_verification_; +#endif + logger_ = rhs.logger_; +} + +inline socket_t ClientImpl::create_client_socket(Error &error) const { + if (!proxy_host_.empty() && proxy_port_ != -1) { + return detail::create_client_socket(proxy_host_, + std::string(), + proxy_port_, + address_family_, + tcp_nodelay_, + socket_options_, + connection_timeout_sec_, + connection_timeout_usec_, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + interface_, + error); + } + + // Check is custom IP specified for host_ + std::string ip; + auto it = addr_map_.find(host_); + if (it != addr_map_.end()) { + ip = it->second; + } + + return detail::create_client_socket(host_, + ip, + port_, + address_family_, + tcp_nodelay_, + socket_options_, + connection_timeout_sec_, + connection_timeout_usec_, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + interface_, + error); +} + +inline bool ClientImpl::create_and_connect_socket(Socket &socket, Error &error) { + auto sock = create_client_socket(error); + if (sock == INVALID_SOCKET) { + return false; + } + + if (_postConnCb) { + _postConnCb(sock); + } + socket.sock = sock; + return true; +} + +inline void ClientImpl::shutdown_ssl(Socket & /*socket*/, bool /*shutdown_gracefully*/) { + // If there are any requests in flight from threads other than us, then it's + // a thread-unsafe race because individual ssl* objects are not thread-safe. + assert(socket_requests_in_flight_ == 0 || socket_requests_are_from_thread_ == std::this_thread::get_id()); +} + +inline void ClientImpl::shutdown_socket(Socket &socket) { + if (socket.sock == INVALID_SOCKET) { + return; + } + detail::shutdown_socket(socket.sock); +} + +inline void ClientImpl::close_socket(Socket &socket) { + // If there are requests in flight in another thread, usually closing + // the socket will be fine and they will simply receive an error when + // using the closed socket, but it is still a bug since rarely the OS + // may reassign the socket id to be used for a new socket, and then + // suddenly they will be operating on a live socket that is different + // than the one they intended! + assert(socket_requests_in_flight_ == 0 || socket_requests_are_from_thread_ == std::this_thread::get_id()); + + // It is also a bug if this happens while SSL is still active +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + assert(socket.ssl == nullptr); +#endif + if (socket.sock == INVALID_SOCKET) { + return; + } + detail::close_socket(socket.sock); + socket.sock = INVALID_SOCKET; +} + +inline bool ClientImpl::read_response_line(Stream &strm, const Request &req, Response &res) { + std::array buf {}; + + detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); + + if (!line_reader.getline()) { + return false; + } + +#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR + const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r\n"); +#else + const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r?\n"); +#endif + + std::cmatch m; + if (!std::regex_match(line_reader.ptr(), m, re)) { + return req.method == "CONNECT"; + } + res.version = std::string(m[1]); + res.status = std::stoi(std::string(m[2])); + res.reason = std::string(m[3]); + + // Ignore '100 Continue' + while (res.status == 100) { + if (!line_reader.getline()) { + return false; + } // CRLF + if (!line_reader.getline()) { + return false; + } // next response line + + if (!std::regex_match(line_reader.ptr(), m, re)) { + return false; + } + res.version = std::string(m[1]); + res.status = std::stoi(std::string(m[2])); + res.reason = std::string(m[3]); + } + + return true; +} + +inline bool ClientImpl::send(Request &req, Response &res, Error &error) { + std::lock_guard request_mutex_guard(request_mutex_); + auto ret = send_(req, res, error); + if (error == Error::SSLPeerCouldBeClosed_) { + assert(!ret); + ret = send_(req, res, error); + } + return ret; +} + +inline bool ClientImpl::send_(Request &req, Response &res, Error &error) { + { + std::lock_guard guard(socket_mutex_); + + // Set this to false immediately - if it ever gets set to true by the end of + // the request, we know another thread instructed us to close the socket. + socket_should_be_closed_when_request_is_done_ = false; + + auto is_alive = false; + if (socket_.is_open()) { + is_alive = detail::is_socket_alive(socket_.sock); + if (!is_alive) { + // Attempt to avoid sigpipe by shutting down nongracefully if it seems + // like the other side has already closed the connection Also, there + // cannot be any requests in flight from other threads since we locked + // request_mutex_, so safe to close everything immediately + const bool shutdown_gracefully = false; + shutdown_ssl(socket_, shutdown_gracefully); + shutdown_socket(socket_); + close_socket(socket_); + } + } + + if (!is_alive) { + if (!create_and_connect_socket(socket_, error)) { + return false; + } + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + // TODO: refactoring + if (is_ssl()) { + auto &scli = static_cast(*this); + if (!proxy_host_.empty() && proxy_port_ != -1) { + auto success = false; + if (!scli.connect_with_proxy(socket_, res, success, error)) { + return success; + } + } + + if (!scli.initialize_ssl(socket_, error)) { + return false; + } + } +#endif + } + + // Mark the current socket as being in use so that it cannot be closed by + // anyone else while this request is ongoing, even though we will be + // releasing the mutex. + if (socket_requests_in_flight_ > 1) { + assert(socket_requests_are_from_thread_ == std::this_thread::get_id()); + } + socket_requests_in_flight_ += 1; + socket_requests_are_from_thread_ = std::this_thread::get_id(); + } + + for (const auto &header : default_headers_) { + if (req.headers.find(header.first) == req.headers.end()) { + req.headers.insert(header); + } + } + + auto ret = false; + auto close_connection = !keep_alive_; + + auto se = detail::scope_exit([&]() { + // Briefly lock mutex in order to mark that a request is no longer ongoing + std::lock_guard guard(socket_mutex_); + socket_requests_in_flight_ -= 1; + if (socket_requests_in_flight_ <= 0) { + assert(socket_requests_in_flight_ == 0); + socket_requests_are_from_thread_ = std::thread::id(); + } + + if (socket_should_be_closed_when_request_is_done_ || close_connection || !ret) { + shutdown_ssl(socket_, true); + shutdown_socket(socket_); + close_socket(socket_); + } + }); + + ret = process_socket(socket_, + [&](Stream &strm) { return handle_request(strm, req, res, close_connection, error); }); + + if (!ret) { + if (error == Error::Success) { + error = Error::Unknown; + } + } + + return ret; +} + +inline Result ClientImpl::send(const Request &req) { + auto req2 = req; + return send_(std::move(req2)); +} + +inline Result ClientImpl::send_(Request &&req) { + auto res = detail::make_unique(); + auto error = Error::Success; + auto ret = send(req, *res, error); + return Result {ret ? std::move(res) : nullptr, error, std::move(req.headers)}; +} + +inline bool ClientImpl::handle_request(Stream &strm, Request &req, Response &res, bool close_connection, Error &error) { + if (req.path.empty()) { + error = Error::Connection; + return false; + } + + auto req_save = req; + + bool ret; + + if (!is_ssl() && !proxy_host_.empty() && proxy_port_ != -1) { + auto req2 = req; + req2.path = "http://" + host_and_port_ + req.path; + ret = process_request(strm, req2, res, close_connection, error); + req = req2; + req.path = req_save.path; + } else { + ret = process_request(strm, req, res, close_connection, error); + } + + if (!ret) { + return false; + } + + if (300 < res.status && res.status < 400 && follow_location_) { + req = req_save; + ret = redirect(req, res, error); + } + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + if ((res.status == 401 || res.status == 407) && req.authorization_count_ < 5) { + auto is_proxy = res.status == 407; + const auto &username = is_proxy ? proxy_digest_auth_username_ : digest_auth_username_; + const auto &password = is_proxy ? proxy_digest_auth_password_ : digest_auth_password_; + + if (!username.empty() && !password.empty()) { + std::map auth; + if (detail::parse_www_authenticate(res, auth, is_proxy)) { + Request new_req = req; + new_req.authorization_count_ += 1; + new_req.headers.erase(is_proxy ? "Proxy-Authorization" : "Authorization"); + new_req.headers.insert(detail::make_digest_authentication_header(req, + auth, + new_req.authorization_count_, + detail::random_string(10), + username, + password, + is_proxy)); + + Response new_res; + + ret = send(new_req, new_res, error); + if (ret) { + res = new_res; + } + } + } + } +#endif + + return ret; +} + +inline bool ClientImpl::redirect(Request &req, Response &res, Error &error) { + if (req.redirect_count_ == 0) { + error = Error::ExceedRedirectCount; + return false; + } + + auto location = res.get_header_value("location"); + if (location.empty()) { + return false; + } + + const static std::regex re( + R"((?:(https?):)?(?://(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)?([^?#]*)(\?[^#]*)?(?:#.*)?)"); + + std::smatch m; + if (!std::regex_match(location, m, re)) { + return false; + } + + auto scheme = is_ssl() ? "https" : "http"; + + auto next_scheme = m[1].str(); + auto next_host = m[2].str(); + if (next_host.empty()) { + next_host = m[3].str(); + } + auto port_str = m[4].str(); + auto next_path = m[5].str(); + auto next_query = m[6].str(); + + auto next_port = port_; + if (!port_str.empty()) { + next_port = std::stoi(port_str); + } else if (!next_scheme.empty()) { + next_port = next_scheme == "https" ? 443 : 80; + } + + if (next_scheme.empty()) { + next_scheme = scheme; + } + if (next_host.empty()) { + next_host = host_; + } + if (next_path.empty()) { + next_path = "/"; + } + + auto path = detail::decode_url(next_path, true) + next_query; + + if (next_scheme == scheme && next_host == host_ && next_port == port_) { + return detail::redirect(*this, req, res, path, location, error); + } else { + if (next_scheme == "https") { +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + SSLClient cli(next_host.c_str(), next_port); + cli.copy_settings(*this); + if (ca_cert_store_) { + cli.set_ca_cert_store(ca_cert_store_); + } + return detail::redirect(cli, req, res, path, location, error); +#else + return false; +#endif + } else { + ClientImpl cli(next_host.c_str(), next_port); + cli.copy_settings(*this); + return detail::redirect(cli, req, res, path, location, error); + } + } +} + +inline bool ClientImpl::write_content_with_provider(Stream &strm, const Request &req, Error &error) { + auto is_shutting_down = []() { return false; }; + + if (req.is_chunked_content_provider_) { + // TODO: Brotli support + std::unique_ptr compressor; +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + if (compress_) { + compressor = detail::make_unique(); + } else +#endif + { + compressor = detail::make_unique(); + } + + return detail::write_content_chunked(strm, req.content_provider_, is_shutting_down, *compressor, error); + } else { + return detail::write_content(strm, req.content_provider_, 0, req.content_length_, is_shutting_down, error); + } +} + +inline bool ClientImpl::write_request(Stream &strm, Request &req, bool close_connection, Error &error) { + // Prepare additional headers + if (close_connection) { + if (!req.has_header("Connection")) { + req.set_header("Connection", "close"); + } + } + + if (!req.has_header("Host")) { + if (is_ssl()) { + if (port_ == 443) { + req.set_header("Host", host_); + } else { + req.set_header("Host", host_and_port_); + } + } else { + if (port_ == 80) { + req.set_header("Host", host_); + } else { + req.set_header("Host", host_and_port_); + } + } + } + + if (!req.has_header("Accept")) { + req.set_header("Accept", "*/*"); + } + +#ifndef CPPHTTPLIB_NO_DEFAULT_USER_AGENT + if (!req.has_header("User-Agent")) { + auto agent = std::string("cpp-httplib/") + CPPHTTPLIB_VERSION; + req.set_header("User-Agent", agent); + } +#endif + + if (req.body.empty()) { + if (req.content_provider_) { + if (!req.is_chunked_content_provider_) { + if (!req.has_header("Content-Length")) { + auto length = std::to_string(req.content_length_); + req.set_header("Content-Length", length); + } + } + } else { + if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH") { + req.set_header("Content-Length", "0"); + } + } + } else { + if (!req.has_header("Content-Type")) { + req.set_header("Content-Type", "text/plain"); + } + + if (!req.has_header("Content-Length")) { + auto length = std::to_string(req.body.size()); + req.set_header("Content-Length", length); + } + } + + if (!basic_auth_password_.empty() || !basic_auth_username_.empty()) { + if (!req.has_header("Authorization")) { + req.headers.insert(make_basic_authentication_header(basic_auth_username_, basic_auth_password_, false)); + } + } + + if (!proxy_basic_auth_username_.empty() && !proxy_basic_auth_password_.empty()) { + if (!req.has_header("Proxy-Authorization")) { + req.headers.insert( + make_basic_authentication_header(proxy_basic_auth_username_, proxy_basic_auth_password_, true)); + } + } + + if (!bearer_token_auth_token_.empty()) { + if (!req.has_header("Authorization")) { + req.headers.insert(make_bearer_token_authentication_header(bearer_token_auth_token_, false)); + } + } + + if (!proxy_bearer_token_auth_token_.empty()) { + if (!req.has_header("Proxy-Authorization")) { + req.headers.insert(make_bearer_token_authentication_header(proxy_bearer_token_auth_token_, true)); + } + } + + // Request line and headers + { + detail::BufferStream bstrm; + + const auto &path = url_encode_ ? detail::encode_url(req.path) : req.path; + bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str()); + + detail::write_headers(bstrm, req.headers); + + // Flush buffer + auto &data = bstrm.get_buffer(); + if (!detail::write_data(strm, data.data(), data.size())) { + error = Error::Write; + return false; + } + } + + // Body + if (req.body.empty()) { + return write_content_with_provider(strm, req, error); + } + + if (!detail::write_data(strm, req.body.data(), req.body.size())) { + error = Error::Write; + return false; + } + + return true; +} + +inline std::unique_ptr ClientImpl::send_with_content_provider( + Request &req, + const char *body, + size_t content_length, + ContentProvider content_provider, + ContentProviderWithoutLength content_provider_without_length, + const std::string &content_type, + Error &error) { + if (!content_type.empty()) { + req.set_header("Content-Type", content_type); + } + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + if (compress_) { + req.set_header("Content-Encoding", "gzip"); + } +#endif + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + if (compress_ && !content_provider_without_length) { + // TODO: Brotli support + detail::gzip_compressor compressor; + + if (content_provider) { + auto ok = true; + size_t offset = 0; + DataSink data_sink; + + data_sink.write = [&](const char *data, size_t data_len) -> bool { + if (ok) { + auto last = offset + data_len == content_length; + + auto ret = compressor.compress(data, + data_len, + last, + [&](const char *compressed_data, size_t compressed_data_len) { + req.body.append(compressed_data, compressed_data_len); + return true; + }); + + if (ret) { + offset += data_len; + } else { + ok = false; + } + } + return ok; + }; + + while (ok && offset < content_length) { + if (!content_provider(offset, content_length - offset, data_sink)) { + error = Error::Canceled; + return nullptr; + } + } + } else { + if (!compressor.compress(body, content_length, true, [&](const char *data, size_t data_len) { + req.body.append(data, data_len); + return true; + })) { + error = Error::Compression; + return nullptr; + } + } + } else +#endif + { + if (content_provider) { + req.content_length_ = content_length; + req.content_provider_ = std::move(content_provider); + req.is_chunked_content_provider_ = false; + } else if (content_provider_without_length) { + req.content_length_ = 0; + req.content_provider_ = detail::ContentProviderAdapter(std::move(content_provider_without_length)); + req.is_chunked_content_provider_ = true; + req.set_header("Transfer-Encoding", "chunked"); + } else { + req.body.assign(body, content_length); + } + } + + auto res = detail::make_unique(); + return send(req, *res, error) ? std::move(res) : nullptr; +} + +inline Result ClientImpl::send_with_content_provider(const std::string &method, + const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + ContentProvider content_provider, + ContentProviderWithoutLength content_provider_without_length, + const std::string &content_type) { + Request req; + req.method = method; + req.headers = headers; + req.path = path; + + auto error = Error::Success; + + auto res = send_with_content_provider(req, + body, + content_length, + std::move(content_provider), + std::move(content_provider_without_length), + content_type, + error); + + return Result {std::move(res), error, std::move(req.headers)}; +} + +inline std::string ClientImpl::adjust_host_string(const std::string &host) const { + if (host.find(':') != std::string::npos) { + return "[" + host + "]"; + } + return host; +} + +inline bool ClientImpl::process_request(Stream &strm, + Request &req, + Response &res, + bool close_connection, + Error &error) { + // Send request + if (!write_request(strm, req, close_connection, error)) { + return false; + } + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + if (is_ssl()) { + auto is_proxy_enabled = !proxy_host_.empty() && proxy_port_ != -1; + if (!is_proxy_enabled) { + char buf[1]; + if (SSL_peek(socket_.ssl, buf, 1) == 0 && SSL_get_error(socket_.ssl, 0) == SSL_ERROR_ZERO_RETURN) { + error = Error::SSLPeerCouldBeClosed_; + return false; + } + } + } +#endif + + // Receive response and headers + if (!read_response_line(strm, req, res) || !detail::read_headers(strm, res.headers)) { + error = Error::Read; + return false; + } + + // Body + if ((res.status != 204) && req.method != "HEAD" && req.method != "CONNECT") { + auto redirect = 300 < res.status && res.status < 400 && follow_location_; + + if (req.response_handler && !redirect) { + if (!req.response_handler(res)) { + error = Error::Canceled; + return false; + } + } + + auto out = req.content_receiver + ? static_cast([&](const char *buf, size_t n, uint64_t off, uint64_t len) { + if (redirect) { + return true; + } + auto ret = req.content_receiver(buf, n, off, len); + if (!ret) { + error = Error::Canceled; + } + return ret; + }) + : static_cast( + [&](const char *buf, size_t n, uint64_t /*off*/, uint64_t /*len*/) { + if (res.body.size() + n > res.body.max_size()) { + return false; + } + res.body.append(buf, n); + return true; + }); + + auto progress = [&](uint64_t current, uint64_t total) { + if (!req.progress || redirect) { + return true; + } + auto ret = req.progress(current, total); + if (!ret) { + error = Error::Canceled; + } + return ret; + }; + + int dummy_status; + if (!detail::read_content(strm, + res, + (std::numeric_limits::max)(), + dummy_status, + std::move(progress), + std::move(out), + decompress_)) { + if (error != Error::Canceled) { + error = Error::Read; + } + return false; + } + } + + if (res.get_header_value("Connection") == "close" || + (res.version == "HTTP/1.0" && res.reason != "Connection established")) { + // TODO this requires a not-entirely-obvious chain of calls to be correct + // for this to be safe. Maybe a code refactor (such as moving this out to + // the send function and getting rid of the recursiveness of the mutex) + // could make this more obvious. + + // This is safe to call because process_request is only called by + // handle_request which is only called by send, which locks the request + // mutex during the process. It would be a bug to call it from a different + // thread since it's a thread-safety issue to do these things to the socket + // if another thread is using the socket. + std::lock_guard guard(socket_mutex_); + shutdown_ssl(socket_, true); + shutdown_socket(socket_); + close_socket(socket_); + } + + // Log + if (logger_) { + logger_(req, res); + } + + return true; +} + +inline ContentProviderWithoutLength ClientImpl::get_multipart_content_provider( + const std::string &boundary, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + size_t cur_item = 0, cur_start = 0; + // cur_item and cur_start are copied to within the std::function and maintain + // state between successive calls + return [&, cur_item, cur_start](size_t offset, DataSink &sink) mutable -> bool { + if (!offset && items.size()) { + sink.os << detail::serialize_multipart_formdata(items, boundary, false); + return true; + } else if (cur_item < provider_items.size()) { + if (!cur_start) { + const auto &begin = detail::serialize_multipart_formdata_item_begin(provider_items[cur_item], boundary); + offset += begin.size(); + cur_start = offset; + sink.os << begin; + } + + DataSink cur_sink; + bool has_data = true; + cur_sink.write = sink.write; + cur_sink.done = [&]() { has_data = false; }; + + if (!provider_items[cur_item].provider(offset - cur_start, cur_sink)) { + return false; + } + + if (!has_data) { + sink.os << detail::serialize_multipart_formdata_item_end(); + cur_item++; + cur_start = 0; + } + return true; + } else { + sink.os << detail::serialize_multipart_formdata_finish(boundary); + sink.done(); + return true; + } + }; +} + +inline bool ClientImpl::process_socket(const Socket &socket, std::function callback) { + return detail::process_client_socket(socket.sock, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + std::move(callback)); +} + +inline bool ClientImpl::is_ssl() const { + return false; +} + +inline Result ClientImpl::Get(const std::string &path) { + return Get(path, Headers(), Progress()); +} + +inline Result ClientImpl::Get(const std::string &path, Progress progress) { + return Get(path, Headers(), std::move(progress)); +} + +inline Result ClientImpl::Get(const std::string &path, const Headers &headers) { + return Get(path, headers, Progress()); +} + +inline Result ClientImpl::Get(const std::string &path, const Headers &headers, Progress progress) { + Request req; + req.method = "GET"; + req.path = path; + req.headers = headers; + req.progress = std::move(progress); + + return send_(std::move(req)); +} + +inline Result ClientImpl::Get(const std::string &path, ContentReceiver content_receiver) { + return Get(path, Headers(), nullptr, std::move(content_receiver), nullptr); +} + +inline Result ClientImpl::Get(const std::string &path, ContentReceiver content_receiver, Progress progress) { + return Get(path, Headers(), nullptr, std::move(content_receiver), std::move(progress)); +} + +inline Result ClientImpl::Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver) { + return Get(path, headers, nullptr, std::move(content_receiver), nullptr); +} + +inline Result ClientImpl::Get(const std::string &path, + const Headers &headers, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, headers, nullptr, std::move(content_receiver), std::move(progress)); +} + +inline Result ClientImpl::Get(const std::string &path, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return Get(path, Headers(), std::move(response_handler), std::move(content_receiver), nullptr); +} + +inline Result ClientImpl::Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return Get(path, headers, std::move(response_handler), std::move(content_receiver), nullptr); +} + +inline Result ClientImpl::Get(const std::string &path, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, Headers(), std::move(response_handler), std::move(content_receiver), std::move(progress)); +} + +inline Result ClientImpl::Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + Request req; + req.method = "GET"; + req.path = path; + req.headers = headers; + req.response_handler = std::move(response_handler); + req.content_receiver = + [content_receiver](const char *data, size_t data_length, uint64_t /*offset*/, uint64_t /*total_length*/) { + return content_receiver(data, data_length); + }; + req.progress = std::move(progress); + + return send_(std::move(req)); +} + +inline Result ClientImpl::Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + Progress progress) { + if (params.empty()) { + return Get(path, headers); + } + + std::string path_with_query = append_query_params(path, params); + return Get(path_with_query.c_str(), headers, progress); +} + +inline Result ClientImpl::Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, params, headers, nullptr, content_receiver, progress); +} + +inline Result ClientImpl::Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + if (params.empty()) { + return Get(path, headers, response_handler, content_receiver, progress); + } + + std::string path_with_query = append_query_params(path, params); + return Get(path_with_query.c_str(), headers, response_handler, content_receiver, progress); +} + +inline Result ClientImpl::Head(const std::string &path) { + return Head(path, Headers()); +} + +inline Result ClientImpl::Head(const std::string &path, const Headers &headers) { + Request req; + req.method = "HEAD"; + req.headers = headers; + req.path = path; + + return send_(std::move(req)); +} + +inline Result ClientImpl::Post(const std::string &path) { + return Post(path, std::string(), std::string()); +} + +inline Result ClientImpl::Post(const std::string &path, const Headers &headers) { + return Post(path, headers, nullptr, 0, std::string()); +} + +inline Result ClientImpl::Post(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return Post(path, Headers(), body, content_length, content_type); +} + +inline Result ClientImpl::Post(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + return send_with_content_provider("POST", path, headers, body, content_length, nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Post(const std::string &path, const std::string &body, const std::string &content_type) { + return Post(path, Headers(), body, content_type); +} + +inline Result ClientImpl::Post(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return send_with_content_provider("POST", path, headers, body.data(), body.size(), nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Post(const std::string &path, const Params ¶ms) { + return Post(path, Headers(), params); +} + +inline Result ClientImpl::Post(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return Post(path, Headers(), content_length, std::move(content_provider), content_type); +} + +inline Result ClientImpl::Post(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return Post(path, Headers(), std::move(content_provider), content_type); +} + +inline Result ClientImpl::Post(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return send_with_content_provider("POST", + path, + headers, + nullptr, + content_length, + std::move(content_provider), + nullptr, + content_type); +} + +inline Result ClientImpl::Post(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return send_with_content_provider("POST", + path, + headers, + nullptr, + 0, + nullptr, + std::move(content_provider), + content_type); +} + +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, const Params ¶ms) { + auto query = detail::params_to_query_str(params); + return Post(path, headers, query, "application/x-www-form-urlencoded"); +} + +inline Result ClientImpl::Post(const std::string &path, const MultipartFormDataItems &items) { + return Post(path, Headers(), items); +} + +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items) { + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); + return Post(path, headers, body, content_type.c_str()); +} + +inline Result ClientImpl::Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary) { + if (!detail::is_multipart_boundary_chars_valid(boundary)) { + return Result {nullptr, Error::UnsupportedMultipartBoundaryChars}; + } + + const auto &content_type = detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); + return Post(path, headers, body, content_type.c_str()); +} + +inline Result ClientImpl::Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = detail::serialize_multipart_formdata_get_content_type(boundary); + return send_with_content_provider("POST", + path, + headers, + nullptr, + 0, + nullptr, + get_multipart_content_provider(boundary, items, provider_items), + content_type); +} + +inline Result ClientImpl::Put(const std::string &path) { + return Put(path, std::string(), std::string()); +} + +inline Result ClientImpl::Put(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return Put(path, Headers(), body, content_length, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + return send_with_content_provider("PUT", path, headers, body, content_length, nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, const std::string &body, const std::string &content_type) { + return Put(path, Headers(), body, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return send_with_content_provider("PUT", path, headers, body.data(), body.size(), nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return Put(path, Headers(), content_length, std::move(content_provider), content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return Put(path, Headers(), std::move(content_provider), content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return send_with_content_provider("PUT", + path, + headers, + nullptr, + content_length, + std::move(content_provider), + nullptr, + content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return send_with_content_provider("PUT", + path, + headers, + nullptr, + 0, + nullptr, + std::move(content_provider), + content_type); +} + +inline Result ClientImpl::Put(const std::string &path, const Params ¶ms) { + return Put(path, Headers(), params); +} + +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, const Params ¶ms) { + auto query = detail::params_to_query_str(params); + return Put(path, headers, query, "application/x-www-form-urlencoded"); +} + +inline Result ClientImpl::Put(const std::string &path, const MultipartFormDataItems &items) { + return Put(path, Headers(), items); +} + +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, const MultipartFormDataItems &items) { + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); + return Put(path, headers, body, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary) { + if (!detail::is_multipart_boundary_chars_valid(boundary)) { + return Result {nullptr, Error::UnsupportedMultipartBoundaryChars}; + } + + const auto &content_type = detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); + return Put(path, headers, body, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = detail::serialize_multipart_formdata_get_content_type(boundary); + return send_with_content_provider("PUT", + path, + headers, + nullptr, + 0, + nullptr, + get_multipart_content_provider(boundary, items, provider_items), + content_type); +} + +inline Result ClientImpl::Patch(const std::string &path) { + return Patch(path, std::string(), std::string()); +} + +inline Result ClientImpl::Patch(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return Patch(path, Headers(), body, content_length, content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + return send_with_content_provider("PATCH", path, headers, body, content_length, nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, const std::string &body, const std::string &content_type) { + return Patch(path, Headers(), body, content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return send_with_content_provider("PATCH", path, headers, body.data(), body.size(), nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return Patch(path, Headers(), content_length, std::move(content_provider), content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return Patch(path, Headers(), std::move(content_provider), content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return send_with_content_provider("PATCH", + path, + headers, + nullptr, + content_length, + std::move(content_provider), + nullptr, + content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return send_with_content_provider("PATCH", + path, + headers, + nullptr, + 0, + nullptr, + std::move(content_provider), + content_type); +} + +inline Result ClientImpl::Delete(const std::string &path) { + return Delete(path, Headers(), std::string(), std::string()); +} + +inline Result ClientImpl::Delete(const std::string &path, const Headers &headers) { + return Delete(path, headers, std::string(), std::string()); +} + +inline Result ClientImpl::Delete(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return Delete(path, Headers(), body, content_length, content_type); +} + +inline Result ClientImpl::Delete(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + Request req; + req.method = "DELETE"; + req.headers = headers; + req.path = path; + + if (!content_type.empty()) { + req.set_header("Content-Type", content_type); + } + req.body.assign(body, content_length); + + return send_(std::move(req)); +} + +inline Result ClientImpl::Delete(const std::string &path, const std::string &body, const std::string &content_type) { + return Delete(path, Headers(), body.data(), body.size(), content_type); +} + +inline Result ClientImpl::Delete(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return Delete(path, headers, body.data(), body.size(), content_type); +} + +inline Result ClientImpl::Options(const std::string &path) { + return Options(path, Headers()); +} + +inline Result ClientImpl::Options(const std::string &path, const Headers &headers) { + Request req; + req.method = "OPTIONS"; + req.headers = headers; + req.path = path; + + return send_(std::move(req)); +} + +inline void ClientImpl::stop() { + std::lock_guard guard(socket_mutex_); + + // If there is anything ongoing right now, the ONLY thread-safe thing we can + // do is to shutdown_socket, so that threads using this socket suddenly + // discover they can't read/write any more and error out. Everything else + // (closing the socket, shutting ssl down) is unsafe because these actions are + // not thread-safe. + if (socket_requests_in_flight_ > 0) { + shutdown_socket(socket_); + + // Aside from that, we set a flag for the socket to be closed when we're + // done. + socket_should_be_closed_when_request_is_done_ = true; + return; + } + + // Otherwise, still holding the mutex, we can shut everything down ourselves + shutdown_ssl(socket_, true); + shutdown_socket(socket_); + close_socket(socket_); +} + +inline std::string ClientImpl::host() const { + return host_; +} + +inline int ClientImpl::port() const { + return port_; +} + +inline size_t ClientImpl::is_socket_open() const { + std::lock_guard guard(socket_mutex_); + return socket_.is_open(); +} + +inline socket_t ClientImpl::socket() const { + return socket_.sock; +} + +inline void ClientImpl::set_connection_timeout(time_t sec, time_t usec) { + connection_timeout_sec_ = sec; + connection_timeout_usec_ = usec; +} + +inline void ClientImpl::set_read_timeout(time_t sec, time_t usec) { + read_timeout_sec_ = sec; + read_timeout_usec_ = usec; +} + +inline void ClientImpl::set_write_timeout(time_t sec, time_t usec) { + write_timeout_sec_ = sec; + write_timeout_usec_ = usec; +} + +inline void ClientImpl::set_basic_auth(const std::string &username, const std::string &password) { + basic_auth_username_ = username; + basic_auth_password_ = password; +} + +inline void ClientImpl::set_bearer_token_auth(const std::string &token) { + bearer_token_auth_token_ = token; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void ClientImpl::set_digest_auth(const std::string &username, const std::string &password) { + digest_auth_username_ = username; + digest_auth_password_ = password; +} +#endif + +inline void ClientImpl::set_keep_alive(bool on) { + keep_alive_ = on; +} + +inline void ClientImpl::set_follow_location(bool on) { + follow_location_ = on; +} + +inline void ClientImpl::set_url_encode(bool on) { + url_encode_ = on; +} + +inline void ClientImpl::set_hostname_addr_map(std::map addr_map) { + addr_map_ = std::move(addr_map); +} + +inline void ClientImpl::set_default_headers(Headers headers) { + default_headers_ = std::move(headers); +} + +inline void ClientImpl::set_address_family(int family) { + address_family_ = family; +} + +inline void ClientImpl::set_tcp_nodelay(bool on) { + tcp_nodelay_ = on; +} + +inline void ClientImpl::set_socket_options(SocketOptions socket_options) { + socket_options_ = std::move(socket_options); +} + +inline void ClientImpl::set_compress(bool on) { + compress_ = on; +} + +inline void ClientImpl::set_decompress(bool on) { + decompress_ = on; +} + +inline void ClientImpl::set_interface(const std::string &intf) { + interface_ = intf; +} + +inline void ClientImpl::set_proxy(const std::string &host, int port) { + proxy_host_ = host; + proxy_port_ = port; +} + +inline void ClientImpl::set_post_connect_callback(detail::POSTSOCKETCONNECTCB cb) { + _postConnCb = cb; +} + +inline void ClientImpl::set_proxy_basic_auth(const std::string &username, const std::string &password) { + proxy_basic_auth_username_ = username; + proxy_basic_auth_password_ = password; +} + +inline void ClientImpl::set_proxy_bearer_token_auth(const std::string &token) { + proxy_bearer_token_auth_token_ = token; +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void ClientImpl::set_proxy_digest_auth(const std::string &username, const std::string &password) { + proxy_digest_auth_username_ = username; + proxy_digest_auth_password_ = password; +} + +inline void ClientImpl::set_ca_cert_path(const std::string &ca_cert_file_path, const std::string &ca_cert_dir_path) { + ca_cert_file_path_ = ca_cert_file_path; + ca_cert_dir_path_ = ca_cert_dir_path; +} + +inline void ClientImpl::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (ca_cert_store && ca_cert_store != ca_cert_store_) { + ca_cert_store_ = ca_cert_store; + } +} + +inline X509_STORE *ClientImpl::create_ca_cert_store(const char *ca_cert, std::size_t size) { + auto mem = BIO_new_mem_buf(ca_cert, static_cast(size)); + if (!mem) { + return nullptr; + } + + auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr); + if (!inf) { + BIO_free_all(mem); + return nullptr; + } + + auto cts = X509_STORE_new(); + if (cts) { + for (auto i = 0; i < static_cast(sk_X509_INFO_num(inf)); i++) { + auto itmp = sk_X509_INFO_value(inf, i); + if (!itmp) { + continue; + } + + if (itmp->x509) { + X509_STORE_add_cert(cts, itmp->x509); + } + if (itmp->crl) { + X509_STORE_add_crl(cts, itmp->crl); + } + } + } + + sk_X509_INFO_pop_free(inf, X509_INFO_free); + BIO_free_all(mem); + return cts; +} + +inline void ClientImpl::enable_server_certificate_verification(bool enabled) { + server_certificate_verification_ = enabled; +} +#endif + +inline void ClientImpl::set_logger(Logger logger) { + logger_ = std::move(logger); +} + +/* + * SSL Implementation + */ +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +namespace detail { + +template +inline SSL *ssl_new(socket_t sock, SSL_CTX *ctx, std::mutex &ctx_mutex, U SSL_connect_or_accept, V setup) { + SSL *ssl = nullptr; + { + std::lock_guard guard(ctx_mutex); + ssl = SSL_new(ctx); + } + + if (ssl) { + set_nonblocking(sock, true); + auto bio = BIO_new_socket(static_cast(sock), BIO_NOCLOSE); + BIO_set_nbio(bio, 1); + SSL_set_bio(ssl, bio, bio); + + if (!setup(ssl) || SSL_connect_or_accept(ssl) != 1) { + SSL_shutdown(ssl); + { + std::lock_guard guard(ctx_mutex); + SSL_free(ssl); + } + set_nonblocking(sock, false); + return nullptr; + } + BIO_set_nbio(bio, 0); + set_nonblocking(sock, false); + } + + return ssl; +} + +inline void ssl_delete(std::mutex &ctx_mutex, SSL *ssl, bool shutdown_gracefully) { + // sometimes we may want to skip this to try to avoid SIGPIPE if we know + // the remote has closed the network connection + // Note that it is not always possible to avoid SIGPIPE, this is merely a + // best-efforts. + if (shutdown_gracefully) { + SSL_shutdown(ssl); + } + + std::lock_guard guard(ctx_mutex); + SSL_free(ssl); +} + +template +bool ssl_connect_or_accept_nonblocking(socket_t sock, + SSL *ssl, + U ssl_connect_or_accept, + time_t timeout_sec, + time_t timeout_usec) { + auto res = 0; + while ((res = ssl_connect_or_accept(ssl)) != 1) { + auto err = SSL_get_error(ssl, res); + switch (err) { + case SSL_ERROR_WANT_READ: + if (select_read(sock, timeout_sec, timeout_usec) > 0) { + continue; + } + break; + case SSL_ERROR_WANT_WRITE: + if (select_write(sock, timeout_sec, timeout_usec) > 0) { + continue; + } + break; + default: + break; + } + return false; + } + return true; +} + +template +inline bool process_server_socket_ssl(const std::atomic &svr_sock, + SSL *ssl, + socket_t sock, + size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + T callback) { + return process_server_socket_core( + svr_sock, + sock, + keep_alive_max_count, + keep_alive_timeout_sec, + [&](bool close_connection, bool &connection_closed) { + SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, write_timeout_sec, write_timeout_usec); + return callback(strm, close_connection, connection_closed); + }); +} + +template +inline bool process_client_socket_ssl(SSL *ssl, + socket_t sock, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + T callback) { + SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, write_timeout_sec, write_timeout_usec); + return callback(strm); +} + +class SSLInit { +public: + SSLInit() { + OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); + } +}; + +// SSL socket stream implementation +inline SSLSocketStream::SSLSocketStream(socket_t sock, + SSL *ssl, + time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec) + : sock_(sock), + ssl_(ssl), + read_timeout_sec_(read_timeout_sec), + read_timeout_usec_(read_timeout_usec), + write_timeout_sec_(write_timeout_sec), + write_timeout_usec_(write_timeout_usec) { + SSL_clear_mode(ssl, SSL_MODE_AUTO_RETRY); +} + +inline SSLSocketStream::~SSLSocketStream() { +} + +inline bool SSLSocketStream::is_readable() const { + return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; +} + +inline bool SSLSocketStream::is_writable() const { + return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 && is_socket_alive(sock_); +} + +inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { + if (SSL_pending(ssl_) > 0) { + return SSL_read(ssl_, ptr, static_cast(size)); + } else if (is_readable()) { + auto ret = SSL_read(ssl_, ptr, static_cast(size)); + if (ret < 0) { + auto err = SSL_get_error(ssl_, ret); + auto n = 1000; +#ifdef _WIN32 + while (--n >= 0 && + (err == SSL_ERROR_WANT_READ || (err == SSL_ERROR_SYSCALL && WSAGetLastError() == WSAETIMEDOUT))) { +#else + while (--n >= 0 && err == SSL_ERROR_WANT_READ) { +#endif + if (SSL_pending(ssl_) > 0) { + return SSL_read(ssl_, ptr, static_cast(size)); + } else if (is_readable()) { + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + ret = SSL_read(ssl_, ptr, static_cast(size)); + if (ret >= 0) { + return ret; + } + err = SSL_get_error(ssl_, ret); + } else { + return -1; + } + } + } + return ret; + } + return -1; +} + +inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) { + if (is_writable()) { + auto handle_size = static_cast(std::min(size, (std::numeric_limits::max)())); + + auto ret = SSL_write(ssl_, ptr, static_cast(handle_size)); + if (ret < 0) { + auto err = SSL_get_error(ssl_, ret); + auto n = 1000; +#ifdef _WIN32 + while (--n >= 0 && + (err == SSL_ERROR_WANT_WRITE || (err == SSL_ERROR_SYSCALL && WSAGetLastError() == WSAETIMEDOUT))) { +#else + while (--n >= 0 && err == SSL_ERROR_WANT_WRITE) { +#endif + if (is_writable()) { + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + ret = SSL_write(ssl_, ptr, static_cast(handle_size)); + if (ret >= 0) { + return ret; + } + err = SSL_get_error(ssl_, ret); + } else { + return -1; + } + } + } + return ret; + } + return -1; +} + +inline void SSLSocketStream::get_remote_ip_and_port(std::string &ip, int &port) const { + detail::get_remote_ip_and_port(sock_, ip, port); +} + +inline void SSLSocketStream::get_local_ip_and_port(std::string &ip, int &port) const { + detail::get_local_ip_and_port(sock_, ip, port); +} + +inline socket_t SSLSocketStream::socket() const { + return sock_; +} + +static SSLInit sslinit_; + +} // namespace detail + +// SSL HTTP server implementation +inline SSLServer::SSLServer(const char *cert_path, + const char *private_key_path, + const char *client_ca_cert_file_path, + const char *client_ca_cert_dir_path, + const char *private_key_password) { + ctx_ = SSL_CTX_new(TLS_server_method()); + + if (ctx_) { + SSL_CTX_set_options(ctx_, SSL_OP_NO_COMPRESSION | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); + + SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION); + + // add default password callback before opening encrypted private key + if (private_key_password != nullptr && (private_key_password[0] != '\0')) { + SSL_CTX_set_default_passwd_cb_userdata(ctx_, + reinterpret_cast(const_cast(private_key_password))); + } + + if (SSL_CTX_use_certificate_chain_file(ctx_, cert_path) != 1 || + SSL_CTX_use_PrivateKey_file(ctx_, private_key_path, SSL_FILETYPE_PEM) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } else if (client_ca_cert_file_path || client_ca_cert_dir_path) { + SSL_CTX_load_verify_locations(ctx_, client_ca_cert_file_path, client_ca_cert_dir_path); + + SSL_CTX_set_verify(ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); + } + } +} + +inline SSLServer::SSLServer(X509 *cert, EVP_PKEY *private_key, X509_STORE *client_ca_cert_store) { + ctx_ = SSL_CTX_new(TLS_server_method()); + + if (ctx_) { + SSL_CTX_set_options(ctx_, SSL_OP_NO_COMPRESSION | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); + + SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION); + + if (SSL_CTX_use_certificate(ctx_, cert) != 1 || SSL_CTX_use_PrivateKey(ctx_, private_key) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } else if (client_ca_cert_store) { + SSL_CTX_set_cert_store(ctx_, client_ca_cert_store); + + SSL_CTX_set_verify(ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); + } + } +} + +inline SSLServer::SSLServer(const std::function &setup_ssl_ctx_callback) { + ctx_ = SSL_CTX_new(TLS_method()); + if (ctx_) { + if (!setup_ssl_ctx_callback(*ctx_)) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } + } +} + +inline SSLServer::~SSLServer() { + if (ctx_) { + SSL_CTX_free(ctx_); + } +} + +inline bool SSLServer::is_valid() const { + return ctx_; +} + +inline SSL_CTX *SSLServer::ssl_context() const { + return ctx_; +} + +inline bool SSLServer::process_and_close_socket(socket_t sock) { + auto ssl = detail::ssl_new( + sock, + ctx_, + ctx_mutex_, + [&](SSL *ssl2) { + return detail::ssl_connect_or_accept_nonblocking(sock, + ssl2, + SSL_accept, + read_timeout_sec_, + read_timeout_usec_); + }, + [](SSL * /*ssl2*/) { return true; }); + + auto ret = false; + if (ssl) { + ret = detail::process_server_socket_ssl( + svr_sock_, + ssl, + sock, + keep_alive_max_count_, + keep_alive_timeout_sec_, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + [this, ssl](Stream &strm, bool close_connection, bool &connection_closed) { + return process_request(strm, close_connection, connection_closed, [&](Request &req) { req.ssl = ssl; }); + }); + + // Shutdown gracefully if the result seemed successful, non-gracefully if + // the connection appeared to be closed. + const bool shutdown_gracefully = ret; + detail::ssl_delete(ctx_mutex_, ssl, shutdown_gracefully); + } + + detail::shutdown_socket(sock); + detail::close_socket(sock); + return ret; +} + +// SSL HTTP client implementation +inline SSLClient::SSLClient(const std::string &host) : SSLClient(host, 443, std::string(), std::string()) { +} + +inline SSLClient::SSLClient(const std::string &host, int port) : SSLClient(host, port, std::string(), std::string()) { +} + +inline SSLClient::SSLClient(const std::string &host, + int port, + const std::string &client_cert_path, + const std::string &client_key_path) + : ClientImpl(host, port, client_cert_path, client_key_path) { + ctx_ = SSL_CTX_new(TLS_client_method()); + + detail::split(&host_[0], &host_[host_.size()], '.', [&](const char *b, const char *e) { + host_components_.emplace_back(std::string(b, e)); + }); + + if (!client_cert_path.empty() && !client_key_path.empty()) { + if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(), SSL_FILETYPE_PEM) != 1 || + SSL_CTX_use_PrivateKey_file(ctx_, client_key_path.c_str(), SSL_FILETYPE_PEM) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } + } +} + +inline SSLClient::SSLClient(const std::string &host, int port, X509 *client_cert, EVP_PKEY *client_key) + : ClientImpl(host, port) { + ctx_ = SSL_CTX_new(TLS_client_method()); + + detail::split(&host_[0], &host_[host_.size()], '.', [&](const char *b, const char *e) { + host_components_.emplace_back(std::string(b, e)); + }); + + if (client_cert != nullptr && client_key != nullptr) { + if (SSL_CTX_use_certificate(ctx_, client_cert) != 1 || SSL_CTX_use_PrivateKey(ctx_, client_key) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } + } +} + +inline SSLClient::~SSLClient() { + if (ctx_) { + SSL_CTX_free(ctx_); + } + // Make sure to shut down SSL since shutdown_ssl will resolve to the + // base function rather than the derived function once we get to the + // base class destructor, and won't free the SSL (causing a leak). + shutdown_ssl_impl(socket_, true); +} + +inline bool SSLClient::is_valid() const { + return ctx_; +} + +inline void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (ca_cert_store) { + if (ctx_) { + if (SSL_CTX_get_cert_store(ctx_) != ca_cert_store) { + // Free memory allocated for old cert and use new store `ca_cert_store` + SSL_CTX_set_cert_store(ctx_, ca_cert_store); + } + } else { + X509_STORE_free(ca_cert_store); + } + } +} + +inline void SSLClient::load_ca_cert_store(const char *ca_cert, std::size_t size) { + set_ca_cert_store(ClientImpl::create_ca_cert_store(ca_cert, size)); +} + +inline long SSLClient::get_openssl_verify_result() const { + return verify_result_; +} + +inline SSL_CTX *SSLClient::ssl_context() const { + return ctx_; +} + +inline bool SSLClient::create_and_connect_socket(Socket &socket, Error &error) { + return is_valid() && ClientImpl::create_and_connect_socket(socket, error); +} + +// Assumes that socket_mutex_ is locked and that there are no requests in flight +inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, bool &success, Error &error) { + success = true; + Response res2; + if (!detail::process_client_socket(socket.sock, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + [&](Stream &strm) { + Request req2; + req2.method = "CONNECT"; + req2.path = host_and_port_; + return process_request(strm, req2, res2, false, error); + })) { + // Thread-safe to close everything because we are assuming there are no + // requests in flight + shutdown_ssl(socket, true); + shutdown_socket(socket); + close_socket(socket); + success = false; + return false; + } + + if (res2.status == 407) { + if (!proxy_digest_auth_username_.empty() && !proxy_digest_auth_password_.empty()) { + std::map auth; + if (detail::parse_www_authenticate(res2, auth, true)) { + Response res3; + if (!detail::process_client_socket(socket.sock, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + [&](Stream &strm) { + Request req3; + req3.method = "CONNECT"; + req3.path = host_and_port_; + req3.headers.insert(detail::make_digest_authentication_header( + req3, + auth, + 1, + detail::random_string(10), + proxy_digest_auth_username_, + proxy_digest_auth_password_, + true)); + return process_request(strm, req3, res3, false, error); + })) { + // Thread-safe to close everything because we are assuming there are + // no requests in flight + shutdown_ssl(socket, true); + shutdown_socket(socket); + close_socket(socket); + success = false; + return false; + } + } + } else { + res = res2; + return false; + } + } + + return true; +} + +inline bool SSLClient::load_certs() { + bool ret = true; + + std::call_once(initialize_cert_, [&]() { + std::lock_guard guard(ctx_mutex_); + if (!ca_cert_file_path_.empty()) { + if (!SSL_CTX_load_verify_locations(ctx_, ca_cert_file_path_.c_str(), nullptr)) { + ret = false; + } + } else if (!ca_cert_dir_path_.empty()) { + if (!SSL_CTX_load_verify_locations(ctx_, nullptr, ca_cert_dir_path_.c_str())) { + ret = false; + } + } else { + auto loaded = false; +#ifdef _WIN32 + loaded = detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_)); +#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) +#if TARGET_OS_OSX + loaded = detail::load_system_certs_on_macos(SSL_CTX_get_cert_store(ctx_)); +#endif // TARGET_OS_OSX +#endif // _WIN32 + if (!loaded) { + SSL_CTX_set_default_verify_paths(ctx_); + } + } + }); + + return ret; +} + +inline bool SSLClient::initialize_ssl(Socket &socket, Error &error) { + auto ssl = detail::ssl_new( + socket.sock, + ctx_, + ctx_mutex_, + [&](SSL *ssl2) { + if (server_certificate_verification_) { + if (!load_certs()) { + error = Error::SSLLoadingCerts; + return false; + } + SSL_set_verify(ssl2, SSL_VERIFY_NONE, nullptr); + } + + if (!detail::ssl_connect_or_accept_nonblocking(socket.sock, + ssl2, + SSL_connect, + connection_timeout_sec_, + connection_timeout_usec_)) { + error = Error::SSLConnection; + return false; + } + + if (server_certificate_verification_) { + verify_result_ = SSL_get_verify_result(ssl2); + + if (verify_result_ != X509_V_OK) { + error = Error::SSLServerVerification; + return false; + } + + auto server_cert = SSL_get1_peer_certificate(ssl2); + + if (server_cert == nullptr) { + error = Error::SSLServerVerification; + return false; + } + + if (!verify_host(server_cert)) { + X509_free(server_cert); + error = Error::SSLServerVerification; + return false; + } + X509_free(server_cert); + } + + return true; + }, + [&](SSL *ssl2) { + // NOTE: With -Wold-style-cast, this can produce a warning, since + // SSL_set_tlsext_host_name is a macro (in OpenSSL), which contains + // an old style cast. Short of doing compiler specific pragma's + // here, we can't get rid of this warning. :'( + SSL_set_tlsext_host_name(ssl2, host_.c_str()); + return true; + }); + + if (ssl) { + socket.ssl = ssl; + return true; + } + + shutdown_socket(socket); + close_socket(socket); + return false; +} + +inline void SSLClient::shutdown_ssl(Socket &socket, bool shutdown_gracefully) { + shutdown_ssl_impl(socket, shutdown_gracefully); +} + +inline void SSLClient::shutdown_ssl_impl(Socket &socket, bool shutdown_gracefully) { + if (socket.sock == INVALID_SOCKET) { + assert(socket.ssl == nullptr); + return; + } + if (socket.ssl) { + detail::ssl_delete(ctx_mutex_, socket.ssl, shutdown_gracefully); + socket.ssl = nullptr; + } + assert(socket.ssl == nullptr); +} + +inline bool SSLClient::process_socket(const Socket &socket, std::function callback) { + assert(socket.ssl); + return detail::process_client_socket_ssl(socket.ssl, + socket.sock, + read_timeout_sec_, + read_timeout_usec_, + write_timeout_sec_, + write_timeout_usec_, + std::move(callback)); +} + +inline bool SSLClient::is_ssl() const { + return true; +} + +inline bool SSLClient::verify_host(X509 *server_cert) const { + /* Quote from RFC2818 section 3.1 "Server Identity" + + If a subjectAltName extension of type dNSName is present, that MUST + be used as the identity. Otherwise, the (most specific) Common Name + field in the Subject field of the certificate MUST be used. Although + the use of the Common Name is existing practice, it is deprecated and + Certification Authorities are encouraged to use the dNSName instead. + + Matching is performed using the matching rules specified by + [RFC2459]. If more than one identity of a given type is present in + the certificate (e.g., more than one dNSName name, a match in any one + of the set is considered acceptable.) Names may contain the wildcard + character * which is considered to match any single domain name + component or component fragment. E.g., *.a.com matches foo.a.com but + not bar.foo.a.com. f*.com matches foo.com but not bar.com. + + In some cases, the URI is specified as an IP address rather than a + hostname. In this case, the iPAddress subjectAltName must be present + in the certificate and must exactly match the IP in the URI. + + */ + return verify_host_with_subject_alt_name(server_cert) || verify_host_with_common_name(server_cert); +} + +inline bool SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { + auto ret = false; + + auto type = GEN_DNS; + + struct in6_addr addr6; + struct in_addr addr; + size_t addr_len = 0; + +#ifndef __MINGW32__ + if (inet_pton(AF_INET6, host_.c_str(), &addr6)) { + type = GEN_IPADD; + addr_len = sizeof(struct in6_addr); + } else if (inet_pton(AF_INET, host_.c_str(), &addr)) { + type = GEN_IPADD; + addr_len = sizeof(struct in_addr); + } +#endif + + auto alt_names = static_cast( + X509_get_ext_d2i(server_cert, NID_subject_alt_name, nullptr, nullptr)); + + if (alt_names) { + auto dsn_matched = false; + auto ip_matched = false; + + auto count = sk_GENERAL_NAME_num(alt_names); + + for (decltype(count) i = 0; i < count && !dsn_matched; i++) { + auto val = sk_GENERAL_NAME_value(alt_names, i); + if (val->type == type) { + auto name = reinterpret_cast(ASN1_STRING_get0_data(val->d.ia5)); + auto name_len = static_cast(ASN1_STRING_length(val->d.ia5)); + + switch (type) { + case GEN_DNS: + dsn_matched = check_host_name(name, name_len); + break; + + case GEN_IPADD: + if (!memcmp(&addr6, name, addr_len) || !memcmp(&addr, name, addr_len)) { + ip_matched = true; + } + break; + } + } + } + + if (dsn_matched || ip_matched) { + ret = true; + } + } + + GENERAL_NAMES_free( + const_cast(reinterpret_cast(alt_names))); + return ret; +} + +inline bool SSLClient::verify_host_with_common_name(X509 *server_cert) const { + const auto subject_name = X509_get_subject_name(server_cert); + + if (subject_name != nullptr) { + char name[BUFSIZ]; + auto name_len = X509_NAME_get_text_by_NID(subject_name, NID_commonName, name, sizeof(name)); + + if (name_len != -1) { + return check_host_name(name, static_cast(name_len)); + } + } + + return false; +} + +inline bool SSLClient::check_host_name(const char *pattern, size_t pattern_len) const { + if (host_.size() == pattern_len && host_ == pattern) { + return true; + } + + // Wildcard match + // https://bugs.launchpad.net/ubuntu/+source/firefox-3.0/+bug/376484 + std::vector pattern_components; + detail::split(&pattern[0], &pattern[pattern_len], '.', [&](const char *b, const char *e) { + pattern_components.emplace_back(std::string(b, e)); + }); + + if (host_components_.size() != pattern_components.size()) { + return false; + } + + auto itr = pattern_components.begin(); + for (const auto &h : host_components_) { + auto &p = *itr; + if (p != h && p != "*") { + auto partial_match = (p.size() > 0 && p[p.size() - 1] == '*' && !p.compare(0, p.size() - 1, h)); + if (!partial_match) { + return false; + } + } + ++itr; + } + + return true; +} +#endif + +// Universal client implementation +inline Client::Client(const std::string &scheme_host_port) : Client(scheme_host_port, std::string(), std::string()) { +} + +inline Client::Client(const std::string &scheme_host_port, + const std::string &client_cert_path, + const std::string &client_key_path) { + const static std::regex re(R"((?:([a-z]+):\/\/)?(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)"); + + std::smatch m; + if (std::regex_match(scheme_host_port, m, re)) { + auto scheme = m[1].str(); + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + if (!scheme.empty() && (scheme != "http" && scheme != "https")) { +#else + if (!scheme.empty() && scheme != "http") { +#endif +#ifndef CPPHTTPLIB_NO_EXCEPTIONS + std::string msg = "'" + scheme + "' scheme is not supported."; + throw std::invalid_argument(msg); +#endif + return; + } + + auto is_ssl = scheme == "https"; + + auto host = m[2].str(); + if (host.empty()) { + host = m[3].str(); + } + + auto port_str = m[4].str(); + auto port = !port_str.empty() ? std::stoi(port_str) : (is_ssl ? 443 : 80); + + if (is_ssl) { +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + cli_ = detail::make_unique(host, port, client_cert_path, client_key_path); + is_ssl_ = is_ssl; +#endif + } else { + cli_ = detail::make_unique(host, port, client_cert_path, client_key_path); + } + } else { + cli_ = detail::make_unique(scheme_host_port, 80, client_cert_path, client_key_path); + } +} + +inline Client::Client(const std::string &host, int port) : cli_(detail::make_unique(host, port)) { +} + +inline Client::Client(const std::string &host, + int port, + const std::string &client_cert_path, + const std::string &client_key_path) + : cli_(detail::make_unique(host, port, client_cert_path, client_key_path)) { +} + +inline Client::~Client() { +} + +inline bool Client::is_valid() const { + return cli_ != nullptr && cli_->is_valid(); +} + +inline Result Client::Get(const std::string &path) { + return cli_->Get(path); +} + +inline Result Client::Get(const std::string &path, const Headers &headers) { + return cli_->Get(path, headers); +} + +inline Result Client::Get(const std::string &path, Progress progress) { + return cli_->Get(path, std::move(progress)); +} + +inline Result Client::Get(const std::string &path, const Headers &headers, Progress progress) { + return cli_->Get(path, headers, std::move(progress)); +} + +inline Result Client::Get(const std::string &path, ContentReceiver content_receiver) { + return cli_->Get(path, std::move(content_receiver)); +} + +inline Result Client::Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver) { + return cli_->Get(path, headers, std::move(content_receiver)); +} + +inline Result Client::Get(const std::string &path, ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, std::move(content_receiver), std::move(progress)); +} + +inline Result Client::Get(const std::string &path, + const Headers &headers, + ContentReceiver content_receiver, + Progress progress) { + return cli_->Get(path, headers, std::move(content_receiver), std::move(progress)); +} + +inline Result Client::Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver) { + return cli_->Get(path, std::move(response_handler), std::move(content_receiver)); +} + +inline Result Client::Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return cli_->Get(path, headers, std::move(response_handler), std::move(content_receiver)); +} + +inline Result Client::Get(const std::string &path, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + return cli_->Get(path, std::move(response_handler), std::move(content_receiver), std::move(progress)); +} + +inline Result Client::Get(const std::string &path, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + return cli_->Get(path, headers, std::move(response_handler), std::move(content_receiver), std::move(progress)); +} + +inline Result Client::Get(const std::string &path, const Params ¶ms, const Headers &headers, Progress progress) { + return cli_->Get(path, params, headers, progress); +} + +inline Result Client::Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ContentReceiver content_receiver, + Progress progress) { + return cli_->Get(path, params, headers, content_receiver, progress); +} + +inline Result Client::Get(const std::string &path, + const Params ¶ms, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + return cli_->Get(path, params, headers, response_handler, content_receiver, progress); +} + +inline Result Client::Head(const std::string &path) { + return cli_->Head(path); +} + +inline Result Client::Head(const std::string &path, const Headers &headers) { + return cli_->Head(path, headers); +} + +inline Result Client::Post(const std::string &path) { + return cli_->Post(path); +} + +inline Result Client::Post(const std::string &path, const Headers &headers) { + return cli_->Post(path, headers); +} + +inline Result Client::Post(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Post(path, body, content_length, content_type); +} + +inline Result Client::Post(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Post(path, headers, body, content_length, content_type); +} + +inline Result Client::Post(const std::string &path, const std::string &body, const std::string &content_type) { + return cli_->Post(path, body, content_type); +} + +inline Result Client::Post(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return cli_->Post(path, headers, body, content_type); +} + +inline Result Client::Post(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return cli_->Post(path, content_length, std::move(content_provider), content_type); +} + +inline Result Client::Post(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return cli_->Post(path, std::move(content_provider), content_type); +} + +inline Result Client::Post(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return cli_->Post(path, headers, content_length, std::move(content_provider), content_type); +} + +inline Result Client::Post(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return cli_->Post(path, headers, std::move(content_provider), content_type); +} + +inline Result Client::Post(const std::string &path, const Params ¶ms) { + return cli_->Post(path, params); +} + +inline Result Client::Post(const std::string &path, const Headers &headers, const Params ¶ms) { + return cli_->Post(path, headers, params); +} + +inline Result Client::Post(const std::string &path, const MultipartFormDataItems &items) { + return cli_->Post(path, items); +} + +inline Result Client::Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items) { + return cli_->Post(path, headers, items); +} + +inline Result Client::Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary) { + return cli_->Post(path, headers, items, boundary); +} + +inline Result Client::Post(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + return cli_->Post(path, headers, items, provider_items); +} + +inline Result Client::Put(const std::string &path) { + return cli_->Put(path); +} + +inline Result Client::Put(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Put(path, body, content_length, content_type); +} + +inline Result Client::Put(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Put(path, headers, body, content_length, content_type); +} + +inline Result Client::Put(const std::string &path, const std::string &body, const std::string &content_type) { + return cli_->Put(path, body, content_type); +} + +inline Result Client::Put(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return cli_->Put(path, headers, body, content_type); +} + +inline Result Client::Put(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return cli_->Put(path, content_length, std::move(content_provider), content_type); +} + +inline Result Client::Put(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return cli_->Put(path, std::move(content_provider), content_type); +} + +inline Result Client::Put(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return cli_->Put(path, headers, content_length, std::move(content_provider), content_type); +} + +inline Result Client::Put(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return cli_->Put(path, headers, std::move(content_provider), content_type); +} + +inline Result Client::Put(const std::string &path, const Params ¶ms) { + return cli_->Put(path, params); +} + +inline Result Client::Put(const std::string &path, const Headers &headers, const Params ¶ms) { + return cli_->Put(path, headers, params); +} + +inline Result Client::Put(const std::string &path, const MultipartFormDataItems &items) { + return cli_->Put(path, items); +} + +inline Result Client::Put(const std::string &path, const Headers &headers, const MultipartFormDataItems &items) { + return cli_->Put(path, headers, items); +} + +inline Result Client::Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary) { + return cli_->Put(path, headers, items, boundary); +} + +inline Result Client::Put(const std::string &path, + const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + return cli_->Put(path, headers, items, provider_items); +} + +inline Result Client::Patch(const std::string &path) { + return cli_->Patch(path); +} + +inline Result Client::Patch(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Patch(path, body, content_length, content_type); +} + +inline Result Client::Patch(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Patch(path, headers, body, content_length, content_type); +} + +inline Result Client::Patch(const std::string &path, const std::string &body, const std::string &content_type) { + return cli_->Patch(path, body, content_type); +} + +inline Result Client::Patch(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return cli_->Patch(path, headers, body, content_type); +} + +inline Result Client::Patch(const std::string &path, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return cli_->Patch(path, content_length, std::move(content_provider), content_type); +} + +inline Result Client::Patch(const std::string &path, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return cli_->Patch(path, std::move(content_provider), content_type); +} + +inline Result Client::Patch(const std::string &path, + const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const std::string &content_type) { + return cli_->Patch(path, headers, content_length, std::move(content_provider), content_type); +} + +inline Result Client::Patch(const std::string &path, + const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type) { + return cli_->Patch(path, headers, std::move(content_provider), content_type); +} + +inline Result Client::Delete(const std::string &path) { + return cli_->Delete(path); +} + +inline Result Client::Delete(const std::string &path, const Headers &headers) { + return cli_->Delete(path, headers); +} + +inline Result Client::Delete(const std::string &path, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Delete(path, body, content_length, content_type); +} + +inline Result Client::Delete(const std::string &path, + const Headers &headers, + const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Delete(path, headers, body, content_length, content_type); +} + +inline Result Client::Delete(const std::string &path, const std::string &body, const std::string &content_type) { + return cli_->Delete(path, body, content_type); +} + +inline Result Client::Delete(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return cli_->Delete(path, headers, body, content_type); +} + +inline Result Client::Options(const std::string &path) { + return cli_->Options(path); +} + +inline Result Client::Options(const std::string &path, const Headers &headers) { + return cli_->Options(path, headers); +} + +inline bool Client::send(Request &req, Response &res, Error &error) { + return cli_->send(req, res, error); +} + +inline Result Client::send(const Request &req) { + return cli_->send(req); +} + +inline void Client::stop() { + cli_->stop(); +} + +inline std::string Client::host() const { + return cli_->host(); +} + +inline int Client::port() const { + return cli_->port(); +} + +inline size_t Client::is_socket_open() const { + return cli_->is_socket_open(); +} + +inline socket_t Client::socket() const { + return cli_->socket(); +} + +inline void Client::set_hostname_addr_map(std::map addr_map) { + cli_->set_hostname_addr_map(std::move(addr_map)); +} + +inline void Client::set_default_headers(Headers headers) { + cli_->set_default_headers(std::move(headers)); +} + +inline void Client::set_address_family(int family) { + cli_->set_address_family(family); +} + +inline void Client::set_tcp_nodelay(bool on) { + cli_->set_tcp_nodelay(on); +} + +inline void Client::set_socket_options(SocketOptions socket_options) { + cli_->set_socket_options(std::move(socket_options)); +} + +inline void Client::set_connection_timeout(time_t sec, time_t usec) { + cli_->set_connection_timeout(sec, usec); +} + +inline void Client::set_read_timeout(time_t sec, time_t usec) { + cli_->set_read_timeout(sec, usec); +} + +inline void Client::set_write_timeout(time_t sec, time_t usec) { + cli_->set_write_timeout(sec, usec); +} + +inline void Client::set_basic_auth(const std::string &username, const std::string &password) { + cli_->set_basic_auth(username, password); +} + +inline void Client::set_bearer_token_auth(const std::string &token) { + cli_->set_bearer_token_auth(token); +} +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_digest_auth(const std::string &username, const std::string &password) { + cli_->set_digest_auth(username, password); +} +#endif + +inline void Client::set_keep_alive(bool on) { + cli_->set_keep_alive(on); +} + +inline void Client::set_follow_location(bool on) { + cli_->set_follow_location(on); +} + +inline void Client::set_url_encode(bool on) { + cli_->set_url_encode(on); +} + +inline void Client::set_compress(bool on) { + cli_->set_compress(on); +} + +inline void Client::set_decompress(bool on) { + cli_->set_decompress(on); +} + +inline void Client::set_interface(const std::string &intf) { + cli_->set_interface(intf); +} + +inline void Client::set_proxy(const std::string &host, int port) { + cli_->set_proxy(host, port); +} + +inline void Client::set_post_connect_cb(detail::POSTSOCKETCONNECTCB cb) { + cli_->set_post_connect_callback(cb); +} + +inline void Client::set_proxy_basic_auth(const std::string &username, const std::string &password) { + cli_->set_proxy_basic_auth(username, password); +} + +inline void Client::set_proxy_bearer_token_auth(const std::string &token) { + cli_->set_proxy_bearer_token_auth(token); +} +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_proxy_digest_auth(const std::string &username, const std::string &password) { + cli_->set_proxy_digest_auth(username, password); +} +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::enable_server_certificate_verification(bool enabled) { + cli_->enable_server_certificate_verification(enabled); +} +#endif + +inline void Client::set_logger(Logger logger) { + cli_->set_logger(std::move(logger)); +} + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_ca_cert_path(const std::string &ca_cert_file_path, const std::string &ca_cert_dir_path) { + cli_->set_ca_cert_path(ca_cert_file_path, ca_cert_dir_path); +} + +inline void Client::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (is_ssl_) { + static_cast(*cli_).set_ca_cert_store(ca_cert_store); + } else { + cli_->set_ca_cert_store(ca_cert_store); + } +} + +inline void Client::load_ca_cert_store(const char *ca_cert, std::size_t size) { + set_ca_cert_store(cli_->create_ca_cert_store(ca_cert, size)); +} + +inline long Client::get_openssl_verify_result() const { + if (is_ssl_) { + return static_cast(*cli_).get_openssl_verify_result(); + } + return -1; // NOTE: -1 doesn't match any of X509_V_ERR_??? +} + +inline SSL_CTX *Client::ssl_context() const { + if (is_ssl_) { + return static_cast(*cli_).ssl_context(); + } + return nullptr; +} +#endif + +// ---------------------------------------------------------------------------- + +} // namespace httplib + +#if defined(_WIN32) && defined(CPPHTTPLIB_USE_POLL) +#undef poll +#endif + +#endif // CPPHTTPLIB_HTTPLIB_H \ No newline at end of file diff --git a/app/src/main/cpp/include/ipcalc.h b/app/src/main/cpp/include/ipcalc.h new file mode 100644 index 0000000..cd3da6f --- /dev/null +++ b/app/src/main/cpp/include/ipcalc.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2016 Red Hat, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + * Authors: + * Nikos Mavrogiannopoulos + */ +#pragma once + +#include "sccproxy.h" + +/** + * @brief IPv4 网络信息 + */ +typedef struct { + unsigned int prefix; ///< 网络前缀 + char hostip[MAX_IPV4_LEN]; ///< IP 地址 + char ip[MAX_IPV4_LEN]; ///< IP 地址 + char network[MAX_IPV4_LEN]; ///< 网络地址 + char broadcast[MAX_IPV4_LEN]; ///< 网络广播地址 + char netmask[MAX_IPV4_LEN]; ///< 网络子网掩码 + char hosts[64]; ///< number of hosts in text + char hostmin[MAX_IPV4_LEN]; ///< 最小网络主机 IP + char hostmax[MAX_IPV4_LEN]; ///< 最大网络主机 IP +} IP_INFO, *PIP_INFO; + +/** + * @brief 计算 IPv4 网络信息 + * @param[in] pIpStr IPv4 地址 + * @param[in] pNetmask IPv4子网掩码 + * @param[out] pInfo 计算结果 + * @return 成功， 小于0 失败 @see USER_ERRNO + * - -ERR_INPUT_PARAMS 输入参数错误 + * - -ERR_UN_SUPPORT 不支持的格式转换 + * - -ERR_MALLOC_MEMORY 分配内存失败 + * - ERR_SUCCESS 成功 + */ +int get_ipv4_info_from_cidr(const char *pIpStr, const char *pNetmask, PIP_INFO pInfo); +/** + * @brief 计算 IPv4 网络信息 + * @param[in] pIpStr IPv4 网络信息 '/' 分割，支持CIDR以及子网掩码 example: 192.168.1.32/24, 192.168.1.32/255.255.255.0 + * @param[out] pInfo 计算结果 + * @return 0: 成功， 小于0 失败 @see USER_ERRNO + * - -ERR_INPUT_PARAMS 输入参数错误 + * - -ERR_UN_SUPPORT 不支持的格式转换 + * - -ERR_MALLOC_MEMORY 分配内存失败 + * - ERR_SUCCESS 成功 + */ +int get_ipv4_info_from_netmask(const char *pIpStr, PIP_INFO pInfo); + +/** + * @brief 根据 IP/域名/主机名 获取 IP 地址 + * @param[in] host 域名/主机名 + * @param[out] pInfo 计算结果 + * @return 0: 成功， 小于0 失败 @see USER_ERRNO + * - -ERR_INPUT_PARAMS 输入参数错误 + * - -ERR_UN_SUPPORT 不支持的格式转换 + * - -ERR_MALLOC_MEMORY 分配内存失败 + * - ERR_SUCCESS 成功 + */ +int get_ipv4_info_from_hostname(const char *host, PIP_INFO pInfo); + diff --git a/app/src/main/cpp/include/log.h b/app/src/main/cpp/include/log.h new file mode 100644 index 0000000..4516d9e --- /dev/null +++ b/app/src/main/cpp/include/log.h @@ -0,0 +1,8 @@ +// +// Created by HuangXin on 2023/10/12. +// +#pragma once + +#include + +#define ANDROID_LOG(level, tag, format, args...) (__android_log_print(level, tag, "[%s(%d)] %s:" format, basename(__FILE__), __LINE__, __FUNCTION__, ##args)) diff --git a/app/src/main/cpp/include/sccproxy.h b/app/src/main/cpp/include/sccproxy.h new file mode 100644 index 0000000..d05b75d --- /dev/null +++ b/app/src/main/cpp/include/sccproxy.h @@ -0,0 +1,83 @@ +// +// Created by HuangXin on 2023/10/12. +// +#pragma once + +#define MAX_PATH (256) + +/** + * @brief IP 字符串最大长度(支持IPv6) + */ +#define MAX_IPV4_LEN (48) + +/** + * @brief IP 字符串最小长度 + */ +#define MIN_IPV4_LEN (7) + + +/** + * @brief SCG 服务 ID + * + */ +typedef enum { + WG_TUNNEL_SCG_ID = 3, ///< 隧道服务 + WG_CTRL_SCG_ID = 4 ///< 隧道控制服务 +} SCG_SVR_ID; + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief 初始化 SCG 代理服务 + * @param[in] pSCGIpAddr SCG 代理 IP/域名/主机名 + * @param[in] scgPort SCG 代理端口 + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int init_scgproxy_service(const char *pSCGIpAddr, int scgPort); + +/** + * @brief 启动远程隧道服务端 + * @param[in] vmId 云电脑虚拟机 VMID + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int remote_tunnel_service_start(int vmId); + +/** + * @brief 停止远程隧道服务端 + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int remote_tunnel_service_stop(); + +/** + * @brief 设置远程隧道参数 + * @param[in] pCliPubKey 客户端公钥 + * @param[in] pCliNetwork 客户端共享网络地址 + * @param[in] pCliTunNetwork 客户端隧道网络地址 + * @param[out] pSvrNetwork 服务端返回的服务端隧道网络地址 + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int remote_tunnel_set_params(const char *pCliPubKey, const char *pCliNetwork, const char *pCliTunNetwork, char *pSvrNetwork); + +/** + * @brief 获取 Wireguard 隧道 UDP 代理服务端口 + * @return 0：当前代理服务端口不可用， >0 UDP 代理服务端口 + */ +unsigned short get_tunnel_proxy_port(); + +/** + * @brief 停止 wireguard 隧道 UDP 代理服务 + */ +void stop_wireguard_proxy_server(); + +/** + * @brief 创建 wireguard 隧道 UDP 代理服务 + * @param[out] pPorxyPort 当前 UDP 代理服务使用的端口，代理 IP 地址固定为 127.0.0.1 + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int create_wireguard_proxy_server(unsigned short *pPorxyPort); + +#ifdef __cplusplus +} +#endif \ No newline at end of file diff --git a/app/src/main/cpp/include/scg-service.h b/app/src/main/cpp/include/scg-service.h new file mode 100644 index 0000000..8ebba0a --- /dev/null +++ b/app/src/main/cpp/include/scg-service.h @@ -0,0 +1,8 @@ +// +// Created by HuangXin on 2023/10/13. +// +#pragma once + +int get_scg_cur_vmid(); +const char *get_scg_proxy_ipaddr(); +unsigned short get_scg_proxy_port(); \ No newline at end of file diff --git a/app/src/main/cpp/include/usrerr.h b/app/src/main/cpp/include/usrerr.h new file mode 100644 index 0000000..f9a15a8 --- /dev/null +++ b/app/src/main/cpp/include/usrerr.h @@ -0,0 +1,75 @@ +#pragma once + +/** + * @brief SDK 常用错误码 + */ +enum USER_ERRNO { + ERR_SUCCESS = 0, ///< 成功 + ERR_INPUT_PARAMS, ///< 输入参数错误 + ERR_UN_SUPPORT, ///< 不支持的操作 + ERR_CALL_SHELL, ///< 调用Shell命令失败 + ERR_ITEM_EXISTS, ///< 该内容已经存在 + ERR_ITEM_UNEXISTS, ///< 该内容不存在 + ERR_SYS_INIT, ///< 系统中断 + ERR_SYS_CALL, ///< 系统调用 + ERR_LOAD_LIBRARY, ///< 加载系统库失败 + ERR_MAP_LIBRARY, ///< 加载系统库接口失败 + ERR_SYS_TIMEOUT, ///< 系统超时 + ERR_SYSTEM_UNINITIALIZE, ///< 系统未初始化 + ERR_CREATE_FILE, ///< 创建文件/目录失败 + ERR_OPEN_FILE, ///< 打开文件失败 + ERR_READ_FILE, ///< 读取文件失败 + ERR_WRITE_FILE, ///< 写入文件失败 + ERR_FILE_NOT_EXISTS, ///< 文件不存在 + ERR_FILE_LOCKED, ///< 文件被锁定 + ERR_GET_FILE_SIZE, ///< 获取文件大小失败 + ERR_FIND_FILE, ///< 查找文件失败 + ERR_COPY_FILE, ///< 复制文件失败 + ERR_OPEN_SCM, ///< 打开服务管理器设备失败 + ERR_OPEN_SERVICE, ///< 打开服务失败 + ERR_CREATE_SERVICE, ///< 创建服务失败 + ERR_START_SERVICE, ///< 启动服务失败 + ERR_STOP_SERVICE, ///< 停止服务失败 + ERR_DELETE_SERVICE, ///< 删除服务失败 + ERR_CONFIG_SERVICE, ///< 修改服务配置失败 + ERR_GET_SERVICESSTATUS, ///< 获取服务状态失败 + ERR_MALLOC_MEMORY, ///< 分配内存失败 + ERR_MMAP_MEMORY, ///< 共享内存失败 + ERR_MEMORY_STR, ///< 字符串操作失败 + ERR_CREATE_PROCESS, ///< 创建进程失败 + ERR_PROCESS_RETURN, ///< 进程调用返回失败 + ERR_CREATE_THREAD, ///< 创建线程失败 + ERR_CREATE_TIMER, ///< 创建定时器失败 + ERR_DELETE_TIMER, ///< 销毁定时器失败 + ERR_SOCKET_CREATE, ///< 创建 SOCKET 失败 + ERR_SOCKET_BIND, ///< 绑定 SOCKET 端口失败 + ERR_SOCKET_CONNECT, ///< 连接 TCP SOCKET 服务器失败 + ERR_SOCKET_LISTEN, ///< TCP SOCKET 服务监听失败 + ERR_SOCKET_BIND_PORT, ///< 绑定端口失败 + ERR_SOCKET_SET_OPT, ///< 设置 SOCKET 参数失败 + ERR_SOCKET_GET_OPT, ///< 读取 SOCKET 参数失败 + ERR_BCRYPT_OPEN = 100, ///< 创建加密算法失败 + ERR_BCRYPT_GETPROPERTY, ///< 获取加密算法属性失败 + ERR_BCRYPT_CREATEHASH, ///< 创建 Hash 算法失败 + ERR_BCRYPT_HASHDATA, ///< 计算 Hash 数据失败 + ERR_BCRYPT_FINISHHASH, ///< 计算 Hash 结果失败 + ERR_NET_UNCONNECT = 200, ///< 网络未连接 + ERR_NET_CATEGORY_MODE, ///< 网络工作模式 + ERR_NET_INTELNEL_ICS, ///< 共享 Intelnet 网络 ICS 共享失败 + ERR_NET_WIREGUARD_ICS, ///< 共享 WireGuard 网络 ICS 共享失败 + ERR_GET_IPFOWARDTBL = 300, ///< 获取系统 IP 转发表失败 + ERR_CREATE_COMMOBJECT = 400, ///< 创建 COM 对象失败 + ERR_CALL_COMMOBJECT, ///< 调用 COM 对象失败 + ERR_WMI_GET_COMMOBJECT, ///< 获取 WMI COM 对象失败 + ERR_WMI_CONN_SVR, ///< 连接到 WMI 失败 + ERR_WMI_SET_PROXY, ///< 设置 WMI 代理服务失败 + ERR_WMI_QUERY, ///< 执行 WMI SQL查询失败 + ERR_WMI_EXEC_METHOD, ///< 执行 WMI 函数失败 + ERR_COM_INITIALIZE, ///< 初始化COM失败 + ERR_JSON_CREATE = 500, ///< 创建 JSON 对象失败 + ERR_JSON_DECODE, ///< 从 JSON 反序列化对象失败 + ERR_HTTP_SERVER_RSP = 600, ///< HTTP 服务端返回错误 + ERR_HTTP_POST_DATA, ///< 发送 POST 请求失败 + ERR_NET_ADD_ROUTE, ///< 添加路由失败 + ERR_NET_REMOVE_ROUTE, ///< 删除路由失败 +}; \ No newline at end of file diff --git a/app/src/main/cpp/native-lib.cpp b/app/src/main/cpp/native-lib.cpp new file mode 100644 index 0000000..66195b0 --- /dev/null +++ b/app/src/main/cpp/native-lib.cpp @@ -0,0 +1,140 @@ +#include +#include +#include +#include "sccproxy.h" +#include "log.h" +#include "usrerr.h" + +extern "C" JNIEXPORT jstring JNICALL +Java_com_example_sccproxy_MainActivity_stringFromJNI( + JNIEnv *env, + jobject /* this */) { + int ret; + int vmId = 123; + char svrTunnelNetwork[256]; + unsigned short tunnelProxyPort = 0; + + std::string hello = "Hello from C++"; + //----------------------------------------------------------------------- + // 系统初始化， 程序启动时调用一次 + //----------------------------------------------------------------------- + // Init step 1. 初始化 SCG 代理服务 + ret = init_scgproxy_service("127.0.0.1", 10800); + if (ret == ERR_SUCCESS) { + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "init_scgproxy_service: SUCCESSED\n"); + } else { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "init_scgproxy_service error: %d\n", ret); + goto error; + } + + // Init step 2. 初始化 SCG 代理服务 + // 初始化 wireguard 隧道代理服务，如果成功会返回代理端口， 程序启动时调用一次 + // 填入 Wiregurad 配置文件 Endpoint 参数为 Endpoint = 127.0.0.1:tunnelProxyPort + ret = create_wireguard_proxy_server(&tunnelProxyPort); + if (ret == ERR_SUCCESS) { + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "create_wireguard_proxy_server: SUCCESSED, proxyPort = %d\n", tunnelProxyPort); + } else { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "create_wireguard_proxy_server error: %d\n", ret); + goto error; + } + + //----------------------------------------------------------------------- + // 隧道控制，每次启动/停止 SCC 服务时调用 + //----------------------------------------------------------------------- + // SCC Service Step 1. 客户端获取隧道配置并连接到虚拟机后，首先要对虚拟机里面的隧道进行配置 + /** + { + "code": "00000", + "data": { + "cliHost": "10.10.10.1/24", // TODO Set to pCliTunNetwork(Step 1) & et to wireguard 配置文件 Address=/AllowedIPs= (Step 2) + "cliPubKey": "fcosdnZe7PQjkjpFNNZUxv9Dtl36XubAj6d6cDU6R34=", // TODO Set to pCliPubKey(Step 1) + "cliPriKey": "6PIYlZHVDzRbgvfWgeu27OfO0NeN8WrFBMAa56hIL0M=", // TODO Set to wireguard 配置文件 PrivateKey= (Step 2) + "vmInfoList": [ + { + "svrPubKey": "nssKUB0d+uRLiys/YzCqA0n8xhw6fuRgs2Q5asEAExc=", // TODO Set to wireguard 配置文件 PublicKey= (Step 2) + "vmName": "ct-pool-95-1696922439711", + "vmId": 827, // TODO Set to vmid (Step 3) + "extVmId": "a3adc00b-d794-46b7-bb83-1951f3368cfb", + "vmNetwork": "172.31.18.108/24", + "scgIp": "112.17.28.220", + "scgPort": 1080, + "portMapIp": "112.17.28.221", + "portMapPort": 2002 + } + ] + }, + "message": "操作成功" + } + */ + ret = remote_tunnel_set_params("fcosdnZe7PQjkjpFNNZUxv9Dtl36XubAj6d6cDU6R34=", "192.168.100.0/24", "10.10.10.0/24", svrTunnelNetwork); + + if (ret == ERR_SUCCESS) { + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "remote_tunnel_set_params: SUCCESSED, Server Tunnel Network: %s\n", svrTunnelNetwork); + } else { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "remote_tunnel_set_params error: %d\n", ret); + goto error; + } + + // SCC Service Step 2. 创建本地 Wireguard 配置文件 + // TODO + /** + [Interface] + PrivateKey = 6PIYlZHVDzRbgvfWgeu27OfO0NeN8WrFBMAa56hIL0M= // TODO from (step 1) + Address = 10.10.10.1/24 // TODO from (step 1) + + [Peer] + PublicKey = nssKUB0d+uRLiys/YzCqA0n8xhw6fuRgs2Q5asEAExc= // TODO from (step 1) + AllowedIPs = 10.10.10.0/24,172.31.18.0/24 // TODO from (Step 1 pCliTunNetwork and svrTunnelNetwork) + Endpoint = 127.0.0.1:49301 // TODO Port from tunnelProxyPort (Init Step 2) + PersistentKeepalive = 30 // TODO fixed or configure by user + */ + + // SCC Service Step 3. 启动虚拟机内服务端隧道 + ret = remote_tunnel_service_start(vmId); + if (ret == ERR_SUCCESS) { + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "remote_tunnel_service_start: SUCCESSED, Current Connect VMID: %d\n", vmId); + } else { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "remote_tunnel_service_start error: %d\n", ret); + goto error; + } + + // SCC Service Step 4. 启动客户端本地 Wireguard 隧道 + // TODO + + // SCC Service Step 5. 配置客户端 iptables 规则，启动 SCC 内网转发 + // TODO + + // SCC Service Step 6. 端口虚拟机，停止服务端隧道 + ret = remote_tunnel_service_stop(); + if (ret == ERR_SUCCESS) { + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "remote_tunnel_service_stop: SUCCESSED, Current Connect VMID: %d\n", vmId); + } else { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "remote_tunnel_service_stop error: %d\n", ret); + goto error; + } + + // SCC Service Step 7. 删除客户端 iptables 规则， 停止 SCC 内网转发 + // TODO + + // SCC Service Step 8. 停止本地 Wireguard 隧道 + // TODO + + + //----------------------------------------------------------------------- + // 资源清理，程序退出时调用 + //----------------------------------------------------------------------- + // UnInit step 1. 停止虚拟机内隧道服务程序 + // remote_tunnel_service_stop + + // UnInit step 2. 删除客户端 iptables 规则， 停止 SCC 内网转发 + // TODO + + // UnInit step 3. 停止本地 Wireguard 隧道 + // TODO + + // UnInit step 4. 停止客户端 Wireguard 隧道 UDP 代理服务 + stop_wireguard_proxy_server(); + +error: + return env->NewStringUTF(hello.c_str()); +} \ No newline at end of file diff --git a/app/src/main/cpp/srcs/ipcalc.cpp b/app/src/main/cpp/srcs/ipcalc.cpp new file mode 100644 index 0000000..7b72cf8 --- /dev/null +++ b/app/src/main/cpp/srcs/ipcalc.cpp @@ -0,0 +1,511 @@ +#include +#include +#include +#include +#include +#include +#include + +#include "usrerr.h" +#include "ipcalc.h" +#include "log.h" + +static const char *p2_table(unsigned pow) { + static const char *pow2[] = { + "1", + "2", + "4", + "8", + "16", + "32", + "64", + "128", + "256", + "512", + "1024", + "2048", + "4096", + "8192", + "16384", + "32768", + "65536", + "131072", + "262144", + "524288", + "1048576", + "2097152", + "4194304", + "8388608", + "16777216", + "33554432", + "67108864", + "134217728", + "268435456", + "536870912", + "1073741824", + "2147483648", + "4294967296", + "8589934592", + "17179869184", + "34359738368", + "68719476736", + "137438953472", + "274877906944", + "549755813888", + "1099511627776", + "2199023255552", + "4398046511104", + "8796093022208", + "17592186044416", + "35184372088832", + "70368744177664", + "140737488355328", + "281474976710656", + "562949953421312", + "1125899906842624", + "2251799813685248", + "4503599627370496", + "9007199254740992", + "18014398509481984", + "36028797018963968", + "72057594037927936", + "144115188075855872", + "288230376151711744", + "576460752303423488", + "1152921504606846976", + "2305843009213693952", + "4611686018427387904", + "9223372036854775808", + "18446744073709551616", + "36893488147419103232", + "73786976294838206464", + "147573952589676412928", + "295147905179352825856", + "590295810358705651712", + "1180591620717411303424", + "2361183241434822606848", + "4722366482869645213696", + "9444732965739290427392", + "18889465931478580854784", + "37778931862957161709568", + "75557863725914323419136", + "151115727451828646838272", + "302231454903657293676544", + "604462909807314587353088", + "1208925819614629174706176", + "2417851639229258349412352", + "4835703278458516698824704", + "9671406556917033397649408", + "19342813113834066795298816", + "38685626227668133590597632", + "77371252455336267181195264", + "154742504910672534362390528", + "309485009821345068724781056", + "618970019642690137449562112", + "1237940039285380274899124224", + "2475880078570760549798248448", + "4951760157141521099596496896", + "9903520314283042199192993792", + "19807040628566084398385987584", + "39614081257132168796771975168", + "79228162514264337593543950336", + "158456325028528675187087900672", + "316912650057057350374175801344", + "633825300114114700748351602688", + "1267650600228229401496703205376", + "2535301200456458802993406410752", + "5070602400912917605986812821504", + "10141204801825835211973625643008", + "20282409603651670423947251286016", + "40564819207303340847894502572032", + "81129638414606681695789005144064", + "162259276829213363391578010288128", + "324518553658426726783156020576256", + "649037107316853453566312041152512", + "1298074214633706907132624082305024", + "2596148429267413814265248164610048", + "5192296858534827628530496329220096", + "10384593717069655257060992658440192", + "20769187434139310514121985316880384", + "41538374868278621028243970633760768", + "83076749736557242056487941267521536", + "166153499473114484112975882535043072", + "332306998946228968225951765070086144", + "664613997892457936451903530140172288", + "1329227995784915872903807060280344576", + "2658455991569831745807614120560689152", + "5316911983139663491615228241121378304", + "10633823966279326983230456482242756608", + "21267647932558653966460912964485513216", + "42535295865117307932921825928971026432", + "85070591730234615865843651857942052864", + "170141183460469231731687303715884105728", + }; + if (pow <= 127) { + return pow2[pow]; + } + return ""; +} + +static int bit_count(unsigned int i) { + int c = 0; + unsigned int seen_one = 0; + + while (i > 0) { + if (i & 1) { + seen_one = 1; + c++; + } else { + if (seen_one) { + return -1; + } + } + i >>= 1; + } + + return c; +} + +/** + * @brief creates a netmask from a specified number of bits + * This function converts a prefix length to a netmask. As CIDR (classless + * internet domain internet domain routing) has taken off, more an more IP + * addresses are being specified in the format address/prefix + * (i.e. 192.168.2.3/24, with a corresponding netmask 255.255.255.0). If you + * need to see what netmask corresponds to the prefix part of the address, this + * is the function. See also @ref mask2prefix. + * @param prefix prefix is the number of bits to create a mask for. + * @return a network mask, in network byte order. + */ +unsigned int prefix2mask(int prefix) { + if (prefix) { + return htonl(~((1 << (32 - prefix)) - 1)); + } else { + return htonl(0); + } +} + +/** +* @brief calculates the number of bits masked off by a netmask. +* This function calculates the significant bits in an IP address as specified by +* a netmask. See also @ref prefix2mask. +* @param mask is the netmask, specified as an struct in_addr in network byte order. +* @return the number of significant bits. +*/ +static int mask2prefix(struct in_addr mask) { + return bit_count(ntohl(mask.s_addr)); +} + +static int ipv4_mask_to_int(const char *prefix) { + int ret; + struct in_addr in = {}; + + ret = inet_pton(AF_INET, prefix, &in); + if (ret == 0) + return -1; + + return mask2prefix(in); +} + +/** +* @brief calculate broadcast address given an IP address and a prefix length. +* @param addr an IP address in network byte order. +* @param prefix a prefix length. +* @return the calculated broadcast address for the network, in network byte order. +*/ +static struct in_addr calc_broadcast(struct in_addr addr, int prefix) { + struct in_addr mask = {}; + struct in_addr broadcast = {}; + + mask.s_addr = prefix2mask(prefix); + + memset(&broadcast, 0, sizeof(broadcast)); + broadcast.s_addr = (addr.s_addr & mask.s_addr) | ~mask.s_addr; + return broadcast; +} + +/** +* @brief calculates the network address for a specified address and prefix. +* @param addr an IP address, in network byte order +* @param prefix the network prefix +* @return the base address of the network that addr is associated with, in +* network byte order. +*/ +static struct in_addr calc_network(struct in_addr addr, int prefix) { + struct in_addr mask = {}; + struct in_addr network = {}; + + mask.s_addr = prefix2mask(prefix); + + memset(&network, 0, sizeof(network)); + network.s_addr = addr.s_addr & mask.s_addr; + return network; +} + +char *ipv4_prefix_to_hosts(char *hosts, unsigned hosts_size, unsigned prefix) { + unsigned tmp; + + if (prefix >= 31) { + snprintf(hosts, hosts_size, "%s", p2_table(32 - prefix)); + } else { + tmp = (1 << (32 - prefix)) - 2; + snprintf(hosts, hosts_size, "%u", tmp); + } + return hosts; +} + +static int str_to_prefix(int *ipv6, const char *prefixStr) { + int prefix; + + if (!(*ipv6) && strchr(prefixStr, '.')) { /* prefix is 255.x.x.x */ + prefix = ipv4_mask_to_int(prefixStr); + } else { + prefix = strtol(prefixStr, nullptr, 10); + } + + if (prefix > 32 && !(*ipv6)) { + *ipv6 = 1; + } + + if (prefix < 0 || (((*ipv6) && prefix > 128) || (!(*ipv6) && prefix > 32))) { + return -1; + } + return prefix; +} + +static int get_ipv4_info(const char *pIpStr, int prefix, PIP_INFO pInfo) { + struct in_addr ip = {}, netmask = {}, network = {}, broadcast = {}, minhost = {}, maxhost = {}; + char namebuf[INET_ADDRSTRLEN + 1]; + char *ipStr = strdup(pIpStr); + + memset(pInfo, 0, sizeof(*pInfo)); + + if (inet_pton(AF_INET, ipStr, &ip) <= 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Bad IPv4 address: %s\n", ipStr); + free(ipStr); + return -ERR_UN_SUPPORT; + } + + /* Handle CIDR entries such as 172/8 */ + if (prefix >= 0) { + auto tmp = const_cast(ipStr); + int i; + + for (i = 3; i > 0; i--) { + tmp = strchr(tmp, '.'); + if (!tmp) { + break; + } else { + tmp++; + } + } + + tmp = nullptr; + for (; i > 0; i--) { + if (asprintf(&tmp, "%s.0", ipStr) == -1) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Memory allocation failure\n"); + free(ipStr); + return -ERR_MALLOC_MEMORY; + } + ipStr = tmp; + } + } else { // assume good old days classful Internet + prefix = 32; + } + + if (prefix > 32) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Bad IPv4 prefix: %d\n", prefix); + free(ipStr); + return -ERR_UN_SUPPORT; + } + + if (inet_ntop(AF_INET, &ip, namebuf, sizeof(namebuf)) == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Error calculating the IPv4 network\n"); + free(ipStr); + return -ERR_UN_SUPPORT; + } + strncpy(pInfo->ip, namebuf, MAX_IPV4_LEN); + + netmask.s_addr = prefix2mask(prefix); + memset(namebuf, '\0', sizeof(namebuf)); + + if (inet_ntop(AF_INET, &netmask, namebuf, INET_ADDRSTRLEN) == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "inet_ntop error\n"); + free(ipStr); + return -ERR_UN_SUPPORT; + } + strncpy(pInfo->netmask, namebuf, MAX_IPV4_LEN); + + pInfo->prefix = prefix; + + broadcast = calc_broadcast(ip, prefix); + + memset(namebuf, '\0', sizeof(namebuf)); + if (inet_ntop(AF_INET, &broadcast, namebuf, INET_ADDRSTRLEN) == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "inet_ntop error\n"); + free(ipStr); + return -ERR_UN_SUPPORT; + } + + strncpy(pInfo->broadcast, namebuf, MAX_IPV4_LEN); + + network = calc_network(ip, prefix); + + memset(namebuf, '\0', sizeof(namebuf)); + if (inet_ntop(AF_INET, &network, namebuf, INET_ADDRSTRLEN) == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "inet_ntop error\n"); + free(ipStr); + return -ERR_UN_SUPPORT; + } + + strncpy(pInfo->network, namebuf, MAX_IPV4_LEN); + + if (prefix < 32) { + memcpy(&minhost, &network, sizeof(minhost)); + + if (prefix <= 30) { + minhost.s_addr = htonl(ntohl(minhost.s_addr) | 1); + } + if (inet_ntop(AF_INET, &minhost, namebuf, INET_ADDRSTRLEN) == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "inet_ntop error\n"); + free(ipStr); + return -ERR_UN_SUPPORT; + } + strncpy(pInfo->hostmin, namebuf, MAX_IPV4_LEN); + + memcpy(&maxhost, &network, sizeof(minhost)); + maxhost.s_addr |= ~netmask.s_addr; + if (prefix <= 30) { + maxhost.s_addr = htonl(ntohl(maxhost.s_addr) - 1); + } + if (inet_ntop(AF_INET, &maxhost, namebuf, sizeof(namebuf)) == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Error calculating the IPv4 network\n"); + free(ipStr); + return -ERR_UN_SUPPORT; + } + + strncpy(pInfo->hostmax, namebuf, MAX_IPV4_LEN); + } else { + strncpy(pInfo->hostmin, pInfo->network, MAX_IPV4_LEN); + strncpy(pInfo->hostmax, pInfo->network, MAX_IPV4_LEN); + } + + ipv4_prefix_to_hosts(pInfo->hosts, sizeof(pInfo->hosts), prefix); + + free(ipStr); + return ERR_SUCCESS; +} + +/** + * @brief 计算 IPv4 网络信息 + * @param[in] pIpStr IPv4 网络信息 '/' 分割，支持CIDR以及子网掩码 example: 192.168.1.32/24, 192.168.1.32/255.255.255.0 + * @param[out] pInfo 计算结果 + * @return 0: 成功， 小于0 失败 @see USER_ERRNO + * - -ERR_INPUT_PARAMS 输入参数错误 + * - -ERR_UN_SUPPORT 不支持的格式转换 + * - -ERR_MALLOC_MEMORY 分配内存失败 + * - ERR_SUCCESS 成功 + */ +int get_ipv4_info_from_cidr(const char *pIpStr, PIP_INFO pInfo) { + int ret, prefix; + char *prefixStr; + int familyIPv6 = 0; + char *ipStr = strdup(pIpStr); + + if (pIpStr == nullptr || strlen(pIpStr) < MIN_IPV4_LEN || strlen(pIpStr) >= MAX_IPV4_LEN) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Input pIpStr format error: %s\n", pIpStr); + return -ERR_INPUT_PARAMS; + } + + if (pInfo == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Input pInfo is NULL\n"); + return -ERR_INPUT_PARAMS; + } + + if (strchr(ipStr, '/') != nullptr) { + prefixStr = static_cast(strchr(ipStr, '/')); + *prefixStr = '\0'; /* fix up ipStr */ + prefixStr++; + } else { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Input pIpStr isn't CIDR format: %s\n", pIpStr); + free(ipStr); + return -ERR_INPUT_PARAMS; + } + + if (strchr(prefixStr, '.') != nullptr) { + prefix = ipv4_mask_to_int(prefixStr); + } else { + prefix = str_to_prefix(&familyIPv6, prefixStr); + } + + ret = get_ipv4_info(ipStr, prefix, pInfo); + + free(ipStr); + return ret; +} + +/** + * @brief 计算 IPv4 网络信息 + * @param[in] pIpStr IPv4 地址 + * @param[in] pNetmask IPv4子网掩码 + * @param[out] pInfo 计算结果 + * @return 成功， 小于0 失败 @see USER_ERRNO + * - -ERR_INPUT_PARAMS 输入参数错误 + * - -ERR_UN_SUPPORT 不支持的格式转换 + * - -ERR_MALLOC_MEMORY 分配内存失败 + * - ERR_SUCCESS 成功 + */ +int get_ipv4_info_from_netmask(const char *pIpStr, const char *pNetmask, PIP_INFO pInfo) { + int prefix; + + if (pIpStr == nullptr || strlen(pIpStr) < MIN_IPV4_LEN || strlen(pIpStr) >= MAX_IPV4_LEN) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Input pIpStr format error: %s\n", pIpStr); + return -ERR_INPUT_PARAMS; + } + + if (pNetmask == nullptr || strlen(pNetmask) < MIN_IPV4_LEN || strlen(pNetmask) >= MAX_IPV4_LEN) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Input pNetmask format error: %s\n", pNetmask); + return -ERR_INPUT_PARAMS; + } + + if (pInfo == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "IPCALC", "Input pInfo is NULL.\n"); + return -ERR_INPUT_PARAMS; + } + + prefix = ipv4_mask_to_int(pNetmask); + return get_ipv4_info(pIpStr, prefix, pInfo); +} + +int get_ipv4_info_from_hostname(const char *host, PIP_INFO pInfo) { + struct addrinfo *res, *rp; + struct addrinfo hints = {}; + int err; + static char ipname[64]; + void *addr; + + memset(&hints, 0, sizeof(hints)); + hints.ai_family = AF_INET; + + err = getaddrinfo(host, nullptr, &hints, &res); + if (err != 0) { + return -ERR_INPUT_PARAMS; + } + + for (rp = res; rp != nullptr; rp = rp->ai_next) { + if (rp->ai_family == AF_INET) { + addr = (&reinterpret_cast(rp->ai_addr)->sin_addr); + } else { + addr = (&reinterpret_cast(rp->ai_addr)->sin6_addr); + } + + if (inet_ntop(rp->ai_family, addr, ipname, sizeof(ipname)) != nullptr) { + freeaddrinfo(res); + strncpy(pInfo->hostip, ipname, MAX_IPV4_LEN); + return ERR_SUCCESS; + } + } + + freeaddrinfo(res); + return ERR_ITEM_EXISTS; +} \ No newline at end of file diff --git a/app/src/main/cpp/srcs/scc-service.cpp b/app/src/main/cpp/srcs/scc-service.cpp new file mode 100644 index 0000000..3323258 --- /dev/null +++ b/app/src/main/cpp/srcs/scc-service.cpp @@ -0,0 +1,376 @@ +#include "usrerr.h" +#include "httplib.h" +#include "log.h" +#include "sccproxy.h" +#include "ipcalc.h" +#include "scg-service.h" +#include "../cJSON/cJSON.h" + +#define SET_CLIENTCFG_PATH ("/tunnel/setconfig") +#define SET_CLIENTSTART_TUNNEL ("/tunnel/start") + +typedef struct { + char scgProxyIpAddr[MAX_PATH]; + int scgProxyPort; + int curConnVmId; + int isEnable; + httplib::Client *g_tunCtrlCtx; +} SCGPROXY_CONFIG, *PSCGPROXY_CONFIG; + +static SCGPROXY_CONFIG g_scgProxyCfg; + +int get_scg_cur_vmid() { + return g_scgProxyCfg.curConnVmId; +} + +const char *get_scg_proxy_ipaddr() { + return g_scgProxyCfg.scgProxyIpAddr; +} + +unsigned short get_scg_proxy_port() { + return static_cast(g_scgProxyCfg.scgProxyPort); +} + +/** + * @brief 初始化 SCG 代理服务 + * @param[in] pSCGIpAddr SCG 代理 IP/域名/主机名 + * @param[in] scgPort SCG 代理端口 + * @return 成功， 小于0 失败 @see USER_ERRNO + */ +int init_scgproxy_service(const char *pSCGIpAddr, int scgPort) { + IP_INFO ipInfo; + int ret; + char scgProxyUrl[MAX_PATH * 4]; + + memset(&g_scgProxyCfg, 0, sizeof(SCGPROXY_CONFIG)); + + if (pSCGIpAddr == nullptr || strlen(pSCGIpAddr) == 0 || strlen(pSCGIpAddr) >= MAX_IPV4_LEN) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Input pSCGIpAddr params error: %s\n", pSCGIpAddr ? pSCGIpAddr : "NULL String"); + return -ERR_INPUT_PARAMS; + } + + if (scgPort <= 0 || scgPort > 65535) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Input scgPort params error: %d\n", scgPort); + return -ERR_INPUT_PARAMS; + } + + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "Enable SCG Proxy: %s:%d, Tunnel Control VMID = %d, Tunnel Data VMID = %d \n", + pSCGIpAddr, scgPort, WG_CTRL_SCG_ID, WG_TUNNEL_SCG_ID); + + if ((ret = get_ipv4_info_from_hostname(pSCGIpAddr, &ipInfo)) != ERR_SUCCESS) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "get_ipv4_info_from_hostname error: %d\n", ret); + return ret; + } + + strncpy(g_scgProxyCfg.scgProxyIpAddr, ipInfo.hostip, MAX_PATH); + g_scgProxyCfg.scgProxyPort = scgPort; + + memset(scgProxyUrl, 0, MAX_PATH * 4); + snprintf(scgProxyUrl, MAX_PATH * 4 - 1, "http://%s:%d", g_scgProxyCfg.scgProxyIpAddr, g_scgProxyCfg.scgProxyPort); + g_scgProxyCfg.g_tunCtrlCtx = new httplib::Client(scgProxyUrl); + + if (g_scgProxyCfg.g_tunCtrlCtx == nullptr) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "Create HTTP Proxy error: %s\n", scgProxyUrl); + return -ERR_SYSTEM_UNINITIALIZE; + } else { + g_scgProxyCfg.g_tunCtrlCtx->set_connection_timeout(0, 1000000); // 1 second + g_scgProxyCfg.g_tunCtrlCtx->set_read_timeout(5, 0); // 5 seconds + g_scgProxyCfg.g_tunCtrlCtx->set_write_timeout(5, 0); // 5 seconds + g_scgProxyCfg.g_tunCtrlCtx->set_keep_alive(true); + g_scgProxyCfg.g_tunCtrlCtx->set_post_connect_cb([](socket_t sock) { + int ret; + unsigned char vmid[4]; + unsigned char *p; + const unsigned int id = htonl(g_scgProxyCfg.curConnVmId); + const auto svrId = static_cast(WG_CTRL_SCG_ID); + unsigned char scgProxy[] = {0x01, // VERSION + 0x09, // Length + 0xF0, // ++++++ INFO[0] TYPE + 0x04, // INFO[0] LENGTH + 0, // INFO[0] VMID[0] + 0, // INFO[0] VMID[1] + 0, // INFO[0] VMID[2] + 0, // INFO[0] VMID[3] + 0xF1, // INFO[1] TYPE + 0x01, // INFO[1] LENGTH + svrId}; // ------ INFO[1] SCG Service ID + + p = scgProxy; + memcpy(vmid, &id, 4); + scgProxy[4] = vmid[0]; + scgProxy[5] = vmid[1]; + scgProxy[6] = vmid[2]; + scgProxy[7] = vmid[3]; + + ret = send(sock, reinterpret_cast(p), sizeof(scgProxy), 0); + + if (ret != sizeof(scgProxy)) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "Service Connected To SCG Server(vmid = %d, SCGAppId = %d) error: %d\n", + g_scgProxyCfg.curConnVmId, WG_CTRL_SCG_ID, ret); + } + + ANDROID_LOG(ANDROID_LOG_DEBUG, "SCGPROXY", "Service Connected To SCG Server:vmid = %d, SCGAppId = %d: %d\n", + g_scgProxyCfg.curConnVmId, WG_CTRL_SCG_ID, sock); + }); + } + + g_scgProxyCfg.isEnable = true; + + return ERR_SUCCESS; +} + +static int remote_tunnel_service_control(int vmId, bool start) { + if (vmId < 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Input pSCGIpAddr params error: %d\n", vmId); + return -ERR_INPUT_PARAMS; + } + + if (!g_scgProxyCfg.isEnable) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "SCG Proxy Service Uninit.\n"); + return -ERR_SYSTEM_UNINITIALIZE; + } + + if (g_scgProxyCfg.g_tunCtrlCtx == nullptr) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "Server Control Service don't connected(g_tunnelHttpCtx is not initialize)."); + return -ERR_SYSTEM_UNINITIALIZE; + } else { + char *pJsonString; + cJSON *pRoot; + cJSON *pMsgContent; + cJSON *rspCode; + httplib::Result res; + + g_scgProxyCfg.curConnVmId = vmId; + + pRoot = cJSON_CreateObject(); + + if (pRoot == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create JSON Error.\n"); + return -ERR_JSON_CREATE; + } + + cJSON_AddNumberToObject(pRoot, "ver", 1); + cJSON_AddNumberToObject(pRoot, "cryptoType", 0); + cJSON_AddNumberToObject(pRoot, "timeStamp", time(nullptr)); + + pMsgContent = cJSON_CreateObject(); + if (pMsgContent == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create JSON Error.\n"); + cJSON_Delete(pRoot); + return -ERR_JSON_CREATE; + } + + cJSON_AddItemToObject(pRoot, "msgContent", pMsgContent); + cJSON_AddBoolToObject(pMsgContent, "isStart", start); + + pJsonString = cJSON_PrintUnformatted(pRoot); + cJSON_Delete(pRoot); + + res = g_scgProxyCfg.g_tunCtrlCtx->Post(SET_CLIENTSTART_TUNNEL, pJsonString, "application/json"); + + if (res.error() != httplib::Error::Success) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "[%s]:Post Data %s error: %s\n", SET_CLIENTSTART_TUNNEL, pJsonString, + httplib::to_string(res.error()).c_str()); + free(pJsonString); + return -ERR_HTTP_POST_DATA; + } + + if (res->status != 200) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "[%s]:Post Data %s server return HTTP error: %d\n", SET_CLIENTSTART_TUNNEL, + pJsonString, + res->status); + free(pJsonString); + return -ERR_HTTP_SERVER_RSP; + } + + ANDROID_LOG(ANDROID_LOG_DEBUG, "SCGPROXY", "+++++ Http Request %s\n---- Http Response %s\n", pJsonString, res->body.c_str()); + + free(pJsonString); + + if (strlen(res->body.c_str()) == 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Server response empty message.\n"); + return -ERR_READ_FILE; + } + + pRoot = cJSON_Parse(res->body.c_str()); + + if (pRoot == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Decode JSON %s Error.\n", res->body.c_str()); + return -ERR_JSON_DECODE; + } + + pMsgContent = cJSON_GetObjectItem(pRoot, "msgContent"); + + if (pMsgContent == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Decode(msgContent) JSON %s Error.\n", res->body.c_str()); + cJSON_Delete(pRoot); + return -ERR_JSON_DECODE; + } + + rspCode = cJSON_GetObjectItem(pMsgContent, "errCode"); + + if (rspCode == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Decode(msgContent.rspCode) JSON %s Error.\n", res->body.c_str()); + cJSON_Delete(pRoot); + return -ERR_JSON_DECODE; + } + + cJSON_Delete(pRoot); + + return rspCode->valueint; + } +} + +/** + * @brief 停止远程隧道服务端 + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int remote_tunnel_service_stop() { + return remote_tunnel_service_control(g_scgProxyCfg.curConnVmId, false); +} + +/** + * @brief 启动远程隧道服务端 + * @param[in] vmId 云电脑虚拟机 VMID + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int remote_tunnel_service_start(int vmId) { + return remote_tunnel_service_control(vmId, true); +} + +/** + * @brief 设置远程隧道参数 + * @param[in] pCliPubKey 客户端公钥 + * @param[in] pCliNetwork 客户端共享网络地址 + * @param[in] pCliTunNetwork 客户端隧道网络地址 + * @param[out] pSvrNetwork 服务端返回的服务端隧道网络地址 + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int remote_tunnel_set_params(const char *pCliPubKey, const char *pCliNetwork, const char *pCliTunNetwork, char *pSvrNetwork) { + char *pJsonString; + cJSON *pRoot; + cJSON *pMsgContent; + cJSON *pRspCode; + cJSON *pSvrNet; + httplib::Result res; + + if (pCliPubKey == nullptr || strlen(pCliPubKey) == 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Input pCliPubKey params error: %s\n", pCliPubKey ? pCliPubKey : "NULL String"); + return -ERR_INPUT_PARAMS; + } + + if (pCliNetwork == nullptr || strlen(pCliNetwork) == 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Input pCliNetwork params error: %s\n", pCliNetwork ? pCliNetwork : "NULL String"); + return -ERR_INPUT_PARAMS; + } + + if (pCliTunNetwork == nullptr || strlen(pCliTunNetwork) == 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Input pCliTunNetwork params error: %s\n", pCliTunNetwork ? pCliTunNetwork : "NULL String"); + return -ERR_INPUT_PARAMS; + } + + if (pSvrNetwork == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Input pSvrNetwork params is null\n"); + } + + if (g_scgProxyCfg.curConnVmId <= 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Current Unconnect VM, vmid: %d\n", g_scgProxyCfg.curConnVmId); + return -ERR_INPUT_PARAMS; + } + + if (!g_scgProxyCfg.isEnable) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "SCG Proxy Service Uninit.\n"); + return -ERR_SYSTEM_UNINITIALIZE; + } + + pRoot = cJSON_CreateObject(); + + if (pRoot == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create JSON Error.\n"); + return -ERR_JSON_CREATE; + } + + cJSON_AddNumberToObject(pRoot, "ver", 1); + cJSON_AddNumberToObject(pRoot, "cryptoType", 0); + cJSON_AddNumberToObject(pRoot, "timeStamp", time(nullptr)); + + pMsgContent = cJSON_CreateObject(); + if (pMsgContent == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create JSON Error.\n"); + cJSON_Delete(pRoot); + return -ERR_JSON_CREATE; + } + + cJSON_AddItemToObject(pRoot, "msgContent", pMsgContent); + cJSON_AddStringToObject(pMsgContent, "cliPublicKey", pCliPubKey); + cJSON_AddStringToObject(pMsgContent, "pCliNetwork", pCliNetwork); + cJSON_AddStringToObject(pMsgContent, "cliTunnelAddr", pCliTunNetwork); + + pJsonString = cJSON_PrintUnformatted(pRoot); + cJSON_Delete(pRoot); + + res = g_scgProxyCfg.g_tunCtrlCtx->Post(SET_CLIENTCFG_PATH, pJsonString, "application/json"); + + if (res.error() != httplib::Error::Success) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "[%s]:Post Data %s error: %s\n", SET_CLIENTCFG_PATH, pJsonString, + httplib::to_string(res.error()).c_str()); + free(pJsonString); + return -ERR_HTTP_POST_DATA; + } + + if (res->status != 200) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "[%s]:Post Data %s server return HTTP error: %d\n", SET_CLIENTCFG_PATH, + pJsonString, + res->status); + free(pJsonString); + return -ERR_HTTP_SERVER_RSP; + } + + ANDROID_LOG(ANDROID_LOG_DEBUG, "SCGPROXY", "+++++ Http Request %s\n---- Http Response %s\n", pJsonString, res->body.c_str()); + free(pJsonString); + + if (strlen(res->body.c_str()) == 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Server response empty message.\n"); + return -ERR_READ_FILE; + } + + pRoot = cJSON_Parse(res->body.c_str()); + + if (pRoot == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Decode JSON %s Error.\n", res->body.c_str()); + return -ERR_JSON_DECODE; + } + + pMsgContent = cJSON_GetObjectItem(pRoot, "msgContent"); + + if (pMsgContent == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Decode(msgContent) JSON %s Error.\n", res->body.c_str()); + cJSON_Delete(pRoot); + return -ERR_JSON_DECODE; + } + + pRspCode = cJSON_GetObjectItem(pMsgContent, "errCode"); + + if (pRspCode == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Decode(msgContent.pRspCode) JSON %s Error.\n", res->body.c_str()); + cJSON_Delete(pRoot); + return -ERR_JSON_DECODE; + } + + if (pRspCode->valueint != 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Server Response Error: %d\n", pRspCode->valueint); + cJSON_Delete(pRoot); + return -ERR_JSON_DECODE; + } + + pSvrNet = cJSON_GetObjectItem(pMsgContent, "svrNetwork"); + if (pSvrNet == nullptr) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Decode(msgContent.pSvrNet) JSON %s Error.\n", res->body.c_str()); + cJSON_Delete(pRoot); + return -ERR_JSON_DECODE; + } + + strcpy(pSvrNetwork, pSvrNet->valuestring); + cJSON_Delete(pRoot); + return ERR_SUCCESS; +} \ No newline at end of file diff --git a/app/src/main/cpp/srcs/tunnel-proxy.cpp b/app/src/main/cpp/srcs/tunnel-proxy.cpp new file mode 100644 index 0000000..d58e10f --- /dev/null +++ b/app/src/main/cpp/srcs/tunnel-proxy.cpp @@ -0,0 +1,282 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "usrerr.h" +#include "sccproxy.h" +#include "scg-service.h" +#include "log.h" + +#ifndef UNUSED +#define UNUSED(x) UNUSED_##x __attribute__((__unused__)) +#endif + +#define SCG_UDP_HEAD_SIZE (11) +#define SIG_CANCEL_SIGNAL SIGUSR1 + +typedef struct { + unsigned short targetPort; + unsigned short proxyPort; + int udpProxySock; + int scgGwSock; + pthread_t hProxyTunnelThread; + pthread_t hProxySCGThread; + bool exitNow; +} SCG_PROXY_INFO, *PSCG_PROXY_INFO; + +static SCG_PROXY_INFO g_scgProxyInfo; + +static int pthread_setcancelstate() { + sigset_t newState, old; + int ret; + sigemptyset(&newState); + sigaddset(&newState, SIG_CANCEL_SIGNAL); + + ret = pthread_sigmask(SIG_BLOCK, &newState, &old); + + return ret; +} + +/** + * 获取 Wireguard 隧道 UDP 代理服务端口 + * @return 0：当前代理服务端口不可用， >0 UDP 代理服务端口 + */ +unsigned short get_tunnel_proxy_port() { + return g_scgProxyInfo.proxyPort; +} + +/** + * @brief 停止 wireguard 隧道 UDP 代理服务 + */ +void stop_wireguard_proxy_server() { + PSCG_PROXY_INFO pProxy = &g_scgProxyInfo; + pProxy->exitNow = true; + + if (pProxy->hProxyTunnelThread) { + pthread_kill(pProxy->hProxyTunnelThread, SIG_CANCEL_SIGNAL); + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "Proxy Tunnel Thread finished(%ld)...... \n", + pProxy->hProxyTunnelThread); + pProxy->hProxyTunnelThread = 0; + close(pProxy->udpProxySock); + } + + if (pProxy->hProxySCGThread) { + pthread_kill(pProxy->hProxySCGThread, SIG_CANCEL_SIGNAL); + ANDROID_LOG(ANDROID_LOG_INFO, "SCGPROXY", "Proxy SCG Thread finished(%ld)...... \n", pProxy->hProxySCGThread); + pProxy->hProxySCGThread = 0; + close(pProxy->scgGwSock); + } +} + +static void *UDPProxvRemoteThread(void *lpParameter) { + const auto pPeerSock = static_cast(lpParameter); + PSCG_PROXY_INFO pProxy = &g_scgProxyInfo; + + while (pPeerSock && !pProxy->exitNow) { + sockaddr_in remoteWgAddr{}; + char ipAddr[MAX_IPV4_LEN]; + + int addrSize = sizeof(struct sockaddr); + char recvBuf[1500]; + int iRecvBytes; + + // 代理服务 In + iRecvBytes = recvfrom(pProxy->scgGwSock, + recvBuf, + 1500, + 0, + reinterpret_cast(&remoteWgAddr), + reinterpret_cast(&addrSize)); + + memset(ipAddr, 0, MAX_IPV4_LEN); + inet_ntop(AF_INET, &remoteWgAddr.sin_addr.s_addr, ipAddr, MAX_IPV4_LEN); + + if (iRecvBytes != -1) { + int sendBytes = sendto(pProxy->udpProxySock, + recvBuf, + iRecvBytes, + 0, + reinterpret_cast(pPeerSock), + sizeof(struct sockaddr)); + if (sendBytes != iRecvBytes) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "Porxy Send Data Error(%d): %d/%d\n", errno, sendBytes, iRecvBytes); + } + } else { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", ">>> Scoket In %d Recv %d bytes from %s:%d error %d\n", iRecvBytes, + pProxy->scgGwSock, + ipAddr, + ntohs(remoteWgAddr.sin_port), + errno); + } + + usleep(1000); + } + + pthread_detach(pthread_self()); + pthread_exit(nullptr); +} + +static void *UDPProxyRecvThread(void *UNUSED(lpParameter)) { + bool isRemoteInit = false; + sockaddr_in localWgAddr{}; + sockaddr_in scgAddr{}; + unsigned char recvBuf[1500 + SCG_UDP_HEAD_SIZE]; + PSCG_PROXY_INFO pProxy = &g_scgProxyInfo; + char *pRecBuf = reinterpret_cast(&recvBuf[SCG_UDP_HEAD_SIZE]); + + scgAddr.sin_family = AF_INET; + scgAddr.sin_port = htons(get_scg_proxy_port()); + inet_pton(AF_INET, get_scg_proxy_ipaddr(), &scgAddr.sin_addr.s_addr); + + // 构建 SCG UDP 包头 + recvBuf[0] = 0x01; // VERSION + recvBuf[1] = 0x09; // Length + recvBuf[2] = 0xF0; // ++++++ INFO[0] TYPE + recvBuf[3] = 0x04; // INFO[0] LENGTH + recvBuf[4] = 0; // INFO[0] VMID[0] + recvBuf[5] = 0; // INFO[0] VMID[1] + recvBuf[6] = 0; // INFO[0] VMID[2] + recvBuf[7] = 0; // INFO[0] VMID[3] + recvBuf[8] = 0xF1; // INFO[1] TYPE + recvBuf[9] = 0x01; // INFO[1] LENGTH + recvBuf[10] = WG_TUNNEL_SCG_ID; // ------ INFO[1] SCG Service ID + + pProxy->exitNow = false; + while (!pProxy->exitNow) { + char ipAddr[MAX_IPV4_LEN]; + int addrSize = sizeof(struct sockaddr); + int iRecvBytes; + + // 代理服务 Out + iRecvBytes = recvfrom(pProxy->udpProxySock, + pRecBuf, + 1500, + 0, + reinterpret_cast(&localWgAddr), + reinterpret_cast(&addrSize)); + + inet_ntop(AF_INET, &localWgAddr.sin_addr.s_addr, ipAddr, MAX_IPV4_LEN); + + if (iRecvBytes != -1) { + int sendBytes; + const unsigned int id = htonl(get_scg_cur_vmid()); + unsigned char vmid[4]; + memcpy(vmid, &id, 4); + + if (!isRemoteInit) { + int ret; + isRemoteInit = true; + + if ((ret = pthread_create(&pProxy->hProxySCGThread, nullptr, UDPProxvRemoteThread, &localWgAddr)) != 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create Thread failed with error(%d): %d\n", errno, ret); + close(pProxy->udpProxySock); + close(pProxy->scgGwSock); + pProxy->exitNow = true; + pthread_detach(pthread_self()); + pthread_exit(nullptr); + } + } + + recvBuf[4] = vmid[0]; // INFO[0] VMID[0] + recvBuf[5] = vmid[1]; // INFO[0] VMID[1] + recvBuf[6] = vmid[2]; // INFO[0] VMID[2] + recvBuf[7] = vmid[3]; // INFO[0] VMID[3] + + // 增加SCG包头数据长度 + iRecvBytes += 11; + + sendBytes = sendto(pProxy->scgGwSock, + reinterpret_cast(recvBuf), + iRecvBytes, + 0, + reinterpret_cast(&scgAddr), + sizeof(struct sockaddr)); + + if (sendBytes != iRecvBytes) { + ANDROID_LOG(ANDROID_LOG_WARN, "SCGPROXY", "Porxy Send Data Error(%d): %d/%d\n", errno, sendBytes, iRecvBytes); + } + } + + usleep(1000); + } + + pthread_detach(pthread_self()); + pthread_exit(nullptr); +} + +/** + * @brief 创建 wireguard 隧道 UDP 代理服务 + * @param[out] pPorxyPort 当前 UDP 代理服务使用的端口，代理 IP 地址固定为 127.0.0.1 + * @return 函数执行结果 0: 成功， 小于0 失败 @see USER_ERRNO + */ +int create_wireguard_proxy_server(unsigned short *pPorxyPort) { + int ret; + int addrSize = sizeof(struct sockaddr_in); + struct sockaddr_in server = {}; + struct sockaddr_in bindAddr = {}; + int sock; + PSCG_PROXY_INFO pProxy = &g_scgProxyInfo; + + pthread_setcancelstate(); + + memset(&g_scgProxyInfo, 0, sizeof(SCG_PROXY_INFO)); + + // 创建本地 SOCKET 代理服务器 + sock = socket(AF_INET, SOCK_DGRAM, 0); + if (sock == -1) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create UDP Socket failed with error: %d\n", errno); + return -ERR_SOCKET_CREATE; + } + + server.sin_family = AF_INET; + server.sin_addr.s_addr = htonl(INADDR_ANY); + server.sin_port = htons(0); + + if (bind(sock, reinterpret_cast(&server), sizeof(struct sockaddr_in)) == -1) { + close(sock); + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Bind local UDP Socket failed with error: %d\n", errno); + return -ERR_SOCKET_BIND; + } + + if ((ret = getsockname(sock, reinterpret_cast(&bindAddr), reinterpret_cast(&addrSize))) != 0) { + close(sock); + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Get UDP Socket bind port failed with error(%d): %d\n", errno, ret); + return -ERR_SOCKET_BIND; + } + + // 保存 UDP 代理服务器信息 + pProxy->udpProxySock = sock; + pProxy->proxyPort = ntohs(bindAddr.sin_port); + + if (pPorxyPort) { + *pPorxyPort = pProxy->proxyPort; + } + + ANDROID_LOG(ANDROID_LOG_DEBUG, "SCGPROXY", "Proxy Server socket {%d} bind {%d} port\n", sock, pProxy->proxyPort); + + // 创建SCG SOCKET 连接客户端服务 + sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); + if (sock == -1) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create UDP Socket failed with error: %d\n", errno); + close(pProxy->udpProxySock); + return -ERR_SOCKET_CREATE; + } + + pProxy->scgGwSock = sock; + + // 创建代理服务发送线程 + if ((ret = pthread_create(&pProxy->hProxyTunnelThread, nullptr, UDPProxyRecvThread, nullptr)) != 0) { + ANDROID_LOG(ANDROID_LOG_ERROR, "SCGPROXY", "Create Thread failed with error(%d) : %d\n", errno, ret); + close(pProxy->udpProxySock); + close(pProxy->scgGwSock); + return -ERR_CREATE_THREAD; + } + + return ERR_SUCCESS; +} \ No newline at end of file diff --git a/app/src/main/java/com/example/sccproxy/MainActivity.java b/app/src/main/java/com/example/sccproxy/MainActivity.java new file mode 100644 index 0000000..8e55711 --- /dev/null +++ b/app/src/main/java/com/example/sccproxy/MainActivity.java @@ -0,0 +1,36 @@ +package com.example.sccproxy; + +import androidx.appcompat.app.AppCompatActivity; + +import android.os.Bundle; +import android.widget.TextView; + +import com.example.sccproxy.databinding.ActivityMainBinding; + +public class MainActivity extends AppCompatActivity { + + // Used to load the 'sccproxy' library on application startup. + static { + System.loadLibrary("sccproxy"); + } + + private ActivityMainBinding binding; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + binding = ActivityMainBinding.inflate(getLayoutInflater()); + setContentView(binding.getRoot()); + + // Example of a call to a native method + TextView tv = binding.sampleText; + tv.setText(stringFromJNI()); + } + + /** + * A native method that is implemented by the 'sccproxy' native library, + * which is packaged with this application. + */ + public native String stringFromJNI(); +} \ No newline at end of file diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml new file mode 100644 index 0000000..07d5da9 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_background.xml @@ -0,0 +1,170 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml new file mode 100644 index 0000000..2b068d1 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_foreground.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml new file mode 100644 index 0000000..0fdf985 --- /dev/null +++ b/app/src/main/res/layout/activity_main.xml @@ -0,0 +1,19 @@ + + + + + + \ No newline at end of file diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml new file mode 100644 index 0000000..6f3b755 --- /dev/null +++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml new file mode 100644 index 0000000..6f3b755 --- /dev/null +++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/app/src/main/res/mipmap-hdpi/ic_launcher.webp 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z#f8w6F}^!?^KE#+ZDv+xd5O&3EmomZzsv?>E-~ygGum45fk!SBN&|eo1rKw^?aZJ4 E2O(~oYXATM literal 0 HcmV?d00001 diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..5f1fc77 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Thu Oct 12 09:37:52 CST 2023 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..4f906e0 --- /dev/null +++ b/gradlew @@ -0,0 +1,185 @@ +#!/usr/bin/env sh + +# +# Copyright 2015 the original author or authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin or MSYS, switch paths to Windows format before running java +if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=`expr $i + 1` + done + case $i in + 0) set -- ;; + 1) set -- "$args0" ;; + 2) set -- "$args0" "$args1" ;; + 3) set -- "$args0" "$args1" "$args2" ;; + 4) set -- "$args0" "$args1" "$args2" "$args3" ;; + 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=`save "$@"` + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..a1884a9 --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,17 @@ +pluginManagement { + repositories { + google() + mavenCentral() + gradlePluginPortal() + } +} +dependencyResolutionManagement { + repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) + repositories { + google() + mavenCentral() + } +} + +rootProject.name = "sccproxy" +include(":app")