86 lines
2.5 KiB
Plaintext
86 lines
2.5 KiB
Plaintext
---[[
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LuCI http protocol implementation - HTTP/1.1 bits.
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This class provides basic ETag handling and implements most of the
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conditional HTTP/1.1 headers specified in RFC2616 Sct. 14.24 - 14.28 .
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]]
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module "luci.http.protocol.conditionals"
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---[[
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Implement 14.19 / ETag.
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@class function
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@name mk_etag
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@param stat A file.stat structure
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@return String containing the generated tag suitable for ETag headers
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]]
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---[[
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14.24 / If-Match
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Test whether the given message object contains an "If-Match" header and
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compare it against the given stat object.
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@class function
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@name if_match
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@param req HTTP request message object
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@param stat A file.stat object
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@return Boolean indicating whether the precondition is ok
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@return Alternative status code if the precondition failed
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]]
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---[[
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14.25 / If-Modified-Since
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Test whether the given message object contains an "If-Modified-Since" header
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and compare it against the given stat object.
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@class function
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@name if_modified_since
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@param req HTTP request message object
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@param stat A file.stat object
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@return Boolean indicating whether the precondition is ok
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@return Alternative status code if the precondition failed
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@return Table containing extra HTTP headers if the precondition failed
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]]
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---[[
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14.26 / If-None-Match
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Test whether the given message object contains an "If-None-Match" header and
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compare it against the given stat object.
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@class function
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@name if_none_match
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@param req HTTP request message object
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@param stat A file.stat object
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@return Boolean indicating whether the precondition is ok
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@return Alternative status code if the precondition failed
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@return Table containing extra HTTP headers if the precondition failed
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]]
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---[[
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14.27 / If-Range
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The If-Range header is currently not implemented due to the lack of general
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byte range stuff in luci.http.protocol . This function will always return
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false, 412 to indicate a failed precondition.
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@class function
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@name if_range
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@param req HTTP request message object
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@param stat A file.stat object
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@return Boolean indicating whether the precondition is ok
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@return Alternative status code if the precondition failed
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]]
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---[[
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14.28 / If-Unmodified-Since
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Test whether the given message object contains an "If-Unmodified-Since"
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header and compare it against the given stat object.
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@class function
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@name if_unmodified_since
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@param req HTTP request message object
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@param stat A file.stat object
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@return Boolean indicating whether the precondition is ok
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@return Alternative status code if the precondition failed
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]]
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