1 files changed, 164 insertions, 0 deletions

diff --git a/src/HTTPServer/HTTPMessage.h b/src/HTTPServer/HTTPMessage.h
new file mode 100644
index 000000000..f5284c535
--- /dev/null
+++ b/src/HTTPServer/HTTPMessage.h
@@ -0,0 +1,164 @@
+
+// HTTPMessage.h
+
+// Declares the cHTTPMessage class representing the common ancestor for HTTP request and response classes
+
+
+
+
+
+#pragma once
+
+#include "EnvelopeParser.h"
+
+
+
+
+
+class cHTTPMessage
+{
+public:
+	enum
+	{
+		HTTP_OK = 200,
+		HTTP_BAD_REQUEST = 400,
+	} ;
+
+	enum eKind
+	{
+		mkRequest,
+		mkResponse,
+	} ;
+	
+	cHTTPMessage(eKind a_Kind);
+
+	/// Adds a header into the internal map of headers. Recognizes special headers: Content-Type and Content-Length
+	void AddHeader(const AString & a_Key, const AString & a_Value);
+	
+	void SetContentType  (const AString & a_ContentType) { m_ContentType   = a_ContentType; }
+	void SetContentLength(int a_ContentLength)           { m_ContentLength = a_ContentLength; }
+	
+	const AString & GetContentType  (void) const { return m_ContentType; }
+	int             GetContentLength(void) const { return m_ContentLength; }
+
+protected:
+	typedef std::map<AString, AString> cNameValueMap;
+	
+	eKind m_Kind;
+	
+	cNameValueMap m_Headers;
+
+	/// Type of the content; parsed by AddHeader(), set directly by SetContentLength()
+	AString m_ContentType;
+
+	/// Length of the content that is to be received. -1 when the object is created, parsed by AddHeader() or set directly by SetContentLength()
+	int m_ContentLength;
+} ;
+
+
+
+
+
+class cHTTPRequest :
+	public cHTTPMessage,
+	protected cEnvelopeParser::cCallbacks
+{
+	typedef cHTTPMessage super;
+	
+public:
+	cHTTPRequest(void);
+	
+	/** Parses the request line and then headers from the received data.
+	Returns the number of bytes consumed or a negative number for error
+	*/
+	int ParseHeaders(const char * a_Data, int a_Size);
+	
+	/// Returns true if the request did contain a Content-Length header
+	bool HasReceivedContentLength(void) const { return (m_ContentLength >= 0); }
+	
+	/// Returns the method used in the request
+	const AString & GetMethod(void) const { return m_Method; }
+	
+	/// Returns the URL used in the request
+	const AString & GetURL(void) const { return m_URL; }
+	
+	/// Returns the URL used in the request, without any parameters
+	AString GetBareURL(void) const;
+	
+	/// Sets the UserData pointer that is stored within this request. The request doesn't touch this data (doesn't delete it)!
+	void SetUserData(void * a_UserData) { m_UserData = a_UserData; }
+	
+	/// Retrieves the UserData pointer that has been stored within this request.
+	void * GetUserData(void) const { return m_UserData; }
+	
+	/// Returns true if more data is expected for the request headers
+	bool IsInHeaders(void) const { return m_EnvelopeParser.IsInHeaders(); }
+	
+	/// Returns true if the request did present auth data that was understood by the parser
+	bool HasAuth(void) const { return m_HasAuth; }
+	
+	/// Returns the username that the request presented. Only valid if HasAuth() is true
+	const AString & GetAuthUsername(void) const { return m_AuthUsername; }
+	
+	/// Returns the password that the request presented. Only valid if HasAuth() is true
+	const AString & GetAuthPassword(void) const { return m_AuthPassword; }
+	
+protected:
+	/// Parser for the envelope data
+	cEnvelopeParser m_EnvelopeParser;
+	
+	/// True if the data received so far is parsed successfully. When false, all further parsing is skipped
+	bool m_IsValid;
+	
+	/// Bufferred incoming data, while parsing for the request line
+	AString m_IncomingHeaderData;
+	
+	/// Method of the request (GET / PUT / POST / ...)
+	AString m_Method;
+	
+	/// Full URL of the request
+	AString m_URL;
+	
+	/// Data that the HTTPServer callbacks are allowed to store.
+	void * m_UserData;
+	
+	/// Set to true if the request contains auth data that was understood by the parser
+	bool m_HasAuth;
+	
+	/// The username used for auth
+	AString m_AuthUsername;
+	
+	/// The password used for auth
+	AString m_AuthPassword;
+	
+	
+	/** Parses the incoming data for the first line (RequestLine)
+	Returns the number of bytes consumed, or -1 for an error
+	*/
+	int ParseRequestLine(const char * a_Data, int a_Size);
+	
+	// cEnvelopeParser::cCallbacks overrides:
+	virtual void OnHeaderLine(const AString & a_Key, const AString & a_Value) override;
+} ;
+
+
+
+
+
+class cHTTPResponse :
+	public cHTTPMessage
+{
+	typedef cHTTPMessage super;
+
+public:
+	cHTTPResponse(void);
+	
+	/** Appends the response to the specified datastream - response line and headers.
+	The body will be sent later directly through cConnection::Send()
+	*/
+	void AppendToData(AString & a_DataStream) const;
+} ;
+
+
+
+