avs-device-sdk/ACL/test/Transport/Common/MimeUtils.cpp

113 lines
4.3 KiB
C++

/*
* MimeUtils.cpp
*
* Copyright 2017 Amazon.com, Inc. or its affiliates.
*
* 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
*
* http://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.
*/
/// @file MimeUtils.cpp
#include "MimeUtils.h"
#include <AVSCommon/AVS/Attachment/InProcessAttachmentReader.h>
#include "Common.h"
namespace alexaClientSDK {
namespace acl {
namespace test {
using namespace avsCommon::avs::attachment;
using namespace avsCommon::sdkInterfaces;
/// The newline characters that MIME parsers expect.
static const std::string MIME_NEWLINE = "\r\n";
/// The double dashes which may occur before and after a boundary string.
static const std::string MIME_BOUNDARY_DASHES = "--";
/// The MIME text expected before a JSON part.
static const std::string MIME_JSON_PREFIX_STRING = "Content-Type: application/json; charset=UTF-8";
/// The MIME text expected before a binary data part.
static const std::string MIME_ATTACHMENT_PREFIX_STRING = "Content-Type: application/octet-stream";
/// The MIME prefix for a content id header.
static const std::string MIME_CONTENT_ID_PREFIX_STRING = "Content-ID: ";
/// Our default timeout when validating if a MIME part was received by another object.
static const std::chrono::seconds WAIT_FOR_DIRECTIVE_TIMEOUT_IN_SECONDS = std::chrono::seconds(10);
TestMimeJsonPart::TestMimeJsonPart(int dataSize, std::shared_ptr<TestableMessageObserver> messageObserver) :
m_message{createRandomAlphabetString(dataSize)}, m_messageObserver{messageObserver} {
}
std::string TestMimeJsonPart::toMimeString(const std::string & boundaryString) {
return MIME_BOUNDARY_DASHES + boundaryString + MIME_NEWLINE +
MIME_JSON_PREFIX_STRING + MIME_NEWLINE + MIME_NEWLINE +
m_message + MIME_NEWLINE;
}
bool TestMimeJsonPart::validateMimeParsing() {
return m_messageObserver->waitForDirective(m_message, WAIT_FOR_DIRECTIVE_TIMEOUT_IN_SECONDS);
}
TestMimeAttachmentPart::TestMimeAttachmentPart(const std::string & contextId, const std::string contentId,
int dataSize, std::shared_ptr<AttachmentManager> attachmentManager) :
m_contextId{contextId}, m_contentId{contentId},
m_attachmentData{createRandomAlphabetString(dataSize)}, m_attachmentManager{attachmentManager} {
}
std::string TestMimeAttachmentPart::toMimeString(const std::string & boundaryString) {
return MIME_BOUNDARY_DASHES + boundaryString + MIME_NEWLINE +
MIME_CONTENT_ID_PREFIX_STRING + m_contentId + MIME_NEWLINE +
MIME_ATTACHMENT_PREFIX_STRING + MIME_NEWLINE + MIME_NEWLINE +
m_attachmentData + MIME_NEWLINE;
}
bool TestMimeAttachmentPart::validateMimeParsing() {
auto attachmentId = m_attachmentManager->generateAttachmentId(m_contextId, m_contentId);
auto reader = m_attachmentManager->createReader(attachmentId, AttachmentReader::Policy::BLOCKING);
std::vector<uint8_t> result(m_attachmentData.size());
auto readStatus = InProcessAttachmentReader::ReadStatus::OK;
auto numRead = reader->read(result.data(), result.size(), &readStatus);
if(numRead != m_attachmentData.length()) {
return false;
}
if(readStatus != InProcessAttachmentReader::ReadStatus::OK) {
return false;
}
for (size_t i = 0; i < m_attachmentData.size(); ++i) {
if(result[i] != m_attachmentData[i]) {
return false;
}
}
return true;
}
std::string constructTestMimeString(
const std::vector<std::shared_ptr<TestMimePart>> & mimeParts, const std::string & boundaryString) {
std::string mimeString;
for(auto mimePart : mimeParts) {
mimeString += mimePart->toMimeString(boundaryString);
}
// The final mime part needs the closing double dashes.
mimeString += MIME_BOUNDARY_DASHES + boundaryString + MIME_BOUNDARY_DASHES + MIME_NEWLINE;
return mimeString;
}
} // namespace test
} // namespace acl
} // namespace alexaClientSDK