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Diffstat (limited to 'src/HTTP/HTTPResponseParser.cpp')
-rw-r--r-- | src/HTTP/HTTPResponseParser.cpp | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/HTTP/HTTPResponseParser.cpp b/src/HTTP/HTTPResponseParser.cpp deleted file mode 100644 index 5469666b6..000000000 --- a/src/HTTP/HTTPResponseParser.cpp +++ /dev/null @@ -1,191 +0,0 @@ - -// HTTPResponseParser.cpp - -// Implements the cHTTPResponseParser class representing the parser for incoming HTTP responses - -#include "Globals.h" -#include "HTTPResponseParser.h" - - - - - -cHTTPResponseParser::cHTTPResponseParser(cHTTPResponseParser::cCallbacks & a_Callbacks): - Super(mkResponse), - m_Callbacks(a_Callbacks), - m_HasHadError(false), - m_IsInHeaders(true), - m_IsFinished(false), - m_EnvelopeParser(*this) -{ -} - - - - - -size_t cHTTPResponseParser::Parse(const char * a_Data, size_t a_Size) -{ - // If parsing already finished or errorred, let the caller keep all the data: - if (m_IsFinished || m_HasHadError) - { - return 0; - } - - // If still waiting for the status line, add to buffer and try parsing it: - auto inBufferSoFar = m_Buffer.size(); - if (m_StatusLine.empty()) - { - m_Buffer.append(a_Data, a_Size); - if (!ParseStatusLine()) - { - // All data used, but not a complete status line yet. - return a_Size; - } - if (m_HasHadError) - { - return AString::npos; - } - // Status line completed, feed the rest of the buffer into the envelope parser: - auto bytesConsumed = m_EnvelopeParser.Parse(m_Buffer.data(), m_Buffer.size()); - if (bytesConsumed == AString::npos) - { - m_HasHadError = true; - m_Callbacks.OnError("Failed to parse the envelope"); - return AString::npos; - } - ASSERT(bytesConsumed < inBufferSoFar + a_Size); - m_Buffer.erase(0, bytesConsumed); - if (!m_Buffer.empty()) - { - // Headers finished and there's still data left in the buffer, process it as message body: - HeadersFinished(); - auto res = ParseBody(m_Buffer.data(), m_Buffer.size()); - if (res == AString::npos) - { - return AString::npos; - } - return res + bytesConsumed - inBufferSoFar; - } - return a_Size; - } // if (m_StatusLine.empty()) - - // If still parsing headers, send them to the envelope parser: - if (m_IsInHeaders) - { - auto bytesConsumed = m_EnvelopeParser.Parse(a_Data, a_Size); - if (bytesConsumed == AString::npos) - { - m_HasHadError = true; - m_Callbacks.OnError("Failed to parse the envelope"); - return AString::npos; - } - if (bytesConsumed < a_Size) - { - // Headers finished and there's still data left in the buffer, process it as message body: - HeadersFinished(); - return bytesConsumed + ParseBody(a_Data + bytesConsumed, a_Size - bytesConsumed); - } - return a_Size; - } - - // Already parsing the body - return ParseBody(a_Data, a_Size); -} - - - - - -bool cHTTPResponseParser::ParseStatusLine(void) -{ - auto idxLineEnd = m_Buffer.find("\r\n"); - if (idxLineEnd == AString::npos) - { - // Not a complete line yet - return false; - } - m_StatusLine = m_Buffer.substr(0, idxLineEnd); - m_Buffer.erase(0, idxLineEnd + 2); - m_Callbacks.OnStatusLine(m_StatusLine); - return true; -} - - - - -size_t cHTTPResponseParser::ParseBody(const char * a_Data, size_t a_Size) -{ - if (m_TransferEncodingParser == nullptr) - { - // We have no Transfer-encoding parser assigned. This should have happened when finishing the envelope - return AString::npos; - } - - // Parse the body using the transfer encoding parser: - // (Note that TE parser returns the number of bytes left, while we return the number of bytes consumed) - return a_Size - m_TransferEncodingParser->Parse(a_Data, a_Size); -} - - - - - -void cHTTPResponseParser::HeadersFinished(void) -{ - m_IsInHeaders = false; - m_Callbacks.OnHeadersFinished(); - - auto transferEncoding = m_Headers.find("transfer-encoding"); - if (transferEncoding == m_Headers.end()) - { - m_TransferEncodingParser = cTransferEncodingParser::Create(*this, "identity", m_ContentLength); - } - else - { - m_TransferEncodingParser = cTransferEncodingParser::Create(*this, transferEncoding->second, m_ContentLength); - } -} - - - - - -void cHTTPResponseParser::OnHeaderLine(const AString & a_Key, const AString & a_Value) -{ - AddHeader(a_Key, a_Value); - m_Callbacks.OnHeaderLine(a_Key, a_Value); -} - - - - - -void cHTTPResponseParser::OnError(const AString & a_ErrorDescription) -{ - m_HasHadError = true; - m_Callbacks.OnError(a_ErrorDescription); -} - - - - - -void cHTTPResponseParser::OnBodyData(const void * a_Data, size_t a_Size) -{ - m_Callbacks.OnBodyData(a_Data, a_Size); -} - - - - - -void cHTTPResponseParser::OnBodyFinished(void) -{ - m_IsFinished = true; - m_Callbacks.OnBodyFinished(); -} - - - - |