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authorMattes D <github@xoft.cz>2016-01-03 15:59:55 +0100
committerMattes D <github@xoft.cz>2016-03-01 16:19:56 +0100
commitfea556ca1b8aeec975f5276d5d829ee6275841d9 (patch)
tree9a61a61edbb232c01bfb34e1c2959542d470887e /src/HTTPServer/MultipartParser.cpp
parentAdded HTTPResponseParser. (diff)
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Diffstat (limited to 'src/HTTPServer/MultipartParser.cpp')
-rw-r--r--src/HTTPServer/MultipartParser.cpp254
1 files changed, 0 insertions, 254 deletions
diff --git a/src/HTTPServer/MultipartParser.cpp b/src/HTTPServer/MultipartParser.cpp
deleted file mode 100644
index 09f4fd02a..000000000
--- a/src/HTTPServer/MultipartParser.cpp
+++ /dev/null
@@ -1,254 +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)
-{
- // 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, size_t a_Size)
-{
- // Skip parsing if invalid
- if (!m_IsValid)
- {
- return;
- }
-
- // Append to buffer, then parse it:
- m_IncomingData.append(a_Data, a_Size);
- for (;;)
- {
- if (m_EnvelopeParser.IsInHeaders())
- {
- size_t BytesConsumed = m_EnvelopeParser.Parse(m_IncomingData.data(), m_IncomingData.size());
- if (BytesConsumed == AString::npos)
- {
- 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);
-}
-
-
-
-