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author | Tiger Wang <ziwei.tiger@hotmail.co.uk> | 2013-11-27 22:35:13 +0100 |
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committer | Tiger Wang <ziwei.tiger@hotmail.co.uk> | 2013-11-27 22:35:13 +0100 |
commit | a6630d32394120a78af56bc612fa3c3449283248 (patch) | |
tree | 2c791266b0f213cd56961299da8d2258b8f85d8e /source/HTTPServer/MultipartParser.cpp | |
parent | Fixed spawn point being generally in an ocean (diff) | |
parent | Voronoi-related biomegens use the new cVoronoiMap class. (diff) | |
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Diffstat (limited to 'source/HTTPServer/MultipartParser.cpp')
-rw-r--r-- | source/HTTPServer/MultipartParser.cpp | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/source/HTTPServer/MultipartParser.cpp b/source/HTTPServer/MultipartParser.cpp deleted file mode 100644 index b49f6ec07..000000000 --- a/source/HTTPServer/MultipartParser.cpp +++ /dev/null @@ -1,256 +0,0 @@ - -// MultipartParser.cpp - -// Implements the cMultipartParser class that parses messages in "multipart/*" encoding into the separate parts - -#include "Globals.h" -#include "MultipartParser.h" -#include "NameValueParser.h" - - - - - -// Disable MSVC warnings: -#if defined(_MSC_VER) - #pragma warning(push) - #pragma warning(disable:4355) // 'this' : used in base member initializer list -#endif - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// self-test: - -#if 0 - -class cMultipartParserTest : - public cMultipartParser::cCallbacks -{ -public: - cMultipartParserTest(void) - { - cMultipartParser Parser("multipart/mixed; boundary=\"MyBoundaryString\"; foo=bar", *this); - const char Data[] = -"ThisIsIgnoredPrologue\r\n\ ---MyBoundaryString\r\n\ -\r\n\ -Body with confusing strings\r\n\ ---NotABoundary\r\n\ ---MyBoundaryStringWithPostfix\r\n\ ---\r\n\ ---MyBoundaryString\r\n\ -content-disposition: inline\r\n\ -\r\n\ -This is body\r\n\ ---MyBoundaryString\r\n\ -\r\n\ -Headerless body with trailing CRLF\r\n\ -\r\n\ ---MyBoundaryString--\r\n\ -ThisIsIgnoredEpilogue"; - printf("Multipart parsing test commencing.\n"); - Parser.Parse(Data, sizeof(Data) - 1); - // DEBUG: Check if the onscreen output corresponds with the data above - printf("Multipart parsing test finished\n"); - } - - virtual void OnPartStart(void) override - { - printf("Starting a new part\n"); - } - - - virtual void OnPartHeader(const AString & a_Key, const AString & a_Value) override - { - printf(" Hdr: \"%s\"=\"%s\"\n", a_Key.c_str(), a_Value.c_str()); - } - - - virtual void OnPartData(const char * a_Data, int a_Size) override - { - printf(" Data: %d bytes, \"%.*s\"\n", a_Size, a_Size, a_Data); - } - - - virtual void OnPartEnd(void) override - { - printf("Part end\n"); - } -} g_Test; - -#endif - - - - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// cMultipartParser: - - -cMultipartParser::cMultipartParser(const AString & a_ContentType, cCallbacks & a_Callbacks) : - m_Callbacks(a_Callbacks), - m_IsValid(true), - m_EnvelopeParser(*this), - m_HasHadData(false) -{ - static AString s_Multipart = "multipart/"; - - // Check that the content type is multipart: - AString ContentType(a_ContentType); - if (strncmp(ContentType.c_str(), "multipart/", 10) != 0) - { - m_IsValid = false; - return; - } - size_t idxSC = ContentType.find(';', 10); - if (idxSC == AString::npos) - { - m_IsValid = false; - return; - } - - // Find the multipart boundary: - ContentType.erase(0, idxSC + 1); - cNameValueParser CTParser(ContentType.c_str(), ContentType.size()); - CTParser.Finish(); - if (!CTParser.IsValid()) - { - m_IsValid = false; - return; - } - m_Boundary = CTParser["boundary"]; - m_IsValid = !m_Boundary.empty(); - if (!m_IsValid) - { - return; - } - - // Set the envelope parser for parsing the body, so that our Parse() function parses the ignored prefix data as a body - m_EnvelopeParser.SetIsInHeaders(false); - - // Append an initial CRLF to the incoming data, so that a body starting with the boundary line will get caught - m_IncomingData.assign("\r\n"); - - /* - m_Boundary = AString("\r\n--") + m_Boundary - m_BoundaryEnd = m_Boundary + "--\r\n"; - m_Boundary = m_Boundary + "\r\n"; - */ -} - - - - - -void cMultipartParser::Parse(const char * a_Data, int a_Size) -{ - // Skip parsing if invalid - if (!m_IsValid) - { - return; - } - - // Append to buffer, then parse it: - m_IncomingData.append(a_Data, a_Size); - while (true) - { - if (m_EnvelopeParser.IsInHeaders()) - { - int BytesConsumed = m_EnvelopeParser.Parse(m_IncomingData.data(), m_IncomingData.size()); - if (BytesConsumed < 0) - { - m_IsValid = false; - return; - } - if ((BytesConsumed == a_Size) && m_EnvelopeParser.IsInHeaders()) - { - // All the incoming data has been consumed and still waiting for more - return; - } - m_IncomingData.erase(0, BytesConsumed); - } - - // Search for boundary / boundary end: - size_t idxBoundary = m_IncomingData.find("\r\n--"); - if (idxBoundary == AString::npos) - { - // Boundary string start not present, present as much data to the part callback as possible - if (m_IncomingData.size() > m_Boundary.size() + 8) - { - size_t BytesToReport = m_IncomingData.size() - m_Boundary.size() - 8; - m_Callbacks.OnPartData(m_IncomingData.data(), BytesToReport); - m_IncomingData.erase(0, BytesToReport); - } - return; - } - if (idxBoundary > 0) - { - m_Callbacks.OnPartData(m_IncomingData.data(), idxBoundary); - m_IncomingData.erase(0, idxBoundary); - } - idxBoundary = 4; - size_t LineEnd = m_IncomingData.find("\r\n", idxBoundary); - if (LineEnd == AString::npos) - { - // Not a complete line yet, present as much data to the part callback as possible - if (m_IncomingData.size() > m_Boundary.size() + 8) - { - size_t BytesToReport = m_IncomingData.size() - m_Boundary.size() - 8; - m_Callbacks.OnPartData(m_IncomingData.data(), BytesToReport); - m_IncomingData.erase(0, BytesToReport); - } - return; - } - if ( - (LineEnd - idxBoundary != m_Boundary.size()) && // Line length not equal to boundary - (LineEnd - idxBoundary != m_Boundary.size() + 2) // Line length not equal to boundary end - ) - { - // Got a line, but it's not a boundary, report it as data: - m_Callbacks.OnPartData(m_IncomingData.data(), LineEnd); - m_IncomingData.erase(0, LineEnd); - continue; - } - - if (strncmp(m_IncomingData.c_str() + idxBoundary, m_Boundary.c_str(), m_Boundary.size()) == 0) - { - // Boundary or BoundaryEnd found: - m_Callbacks.OnPartEnd(); - size_t idxSlash = idxBoundary + m_Boundary.size(); - if ((m_IncomingData[idxSlash] == '-') && (m_IncomingData[idxSlash + 1] == '-')) - { - // This was the last part - m_Callbacks.OnPartData(m_IncomingData.data() + idxSlash + 4, m_IncomingData.size() - idxSlash - 4); - m_IncomingData.clear(); - return; - } - m_Callbacks.OnPartStart(); - m_IncomingData.erase(0, LineEnd + 2); - - // Keep parsing for the headers that may have come with this data: - m_EnvelopeParser.Reset(); - continue; - } - - // It's a line, but not a boundary. It can be fully sent to the data receiver, since a boundary cannot cross lines - m_Callbacks.OnPartData(m_IncomingData.c_str(), LineEnd); - m_IncomingData.erase(0, LineEnd); - } // while (true) -} - - - - - -void cMultipartParser::OnHeaderLine(const AString & a_Key, const AString & a_Value) -{ - m_Callbacks.OnPartHeader(a_Key, a_Value); -} - - - - |