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// --------------------------------------------------------------------------
//
// File
// Name: HTTPRequest.h
// Purpose: Request object for HTTP connections
// Created: 26/3/04
//
// --------------------------------------------------------------------------
#ifndef HTTPREQUEST__H
#define HTTPREQUEST__H
#include <string>
#include <map>
#include "CollectInBufferStream.h"
class HTTPResponse;
class IOStream;
class IOStreamGetLine;
// --------------------------------------------------------------------------
//
// Class
// Name: HTTPRequest
// Purpose: Request object for HTTP connections
// Created: 26/3/04
//
// --------------------------------------------------------------------------
class HTTPRequest : public CollectInBufferStream
{
public:
enum Method
{
Method_UNINITIALISED = -1,
Method_UNKNOWN = 0,
Method_GET = 1,
Method_HEAD = 2,
Method_POST = 3,
Method_PUT = 4
};
HTTPRequest();
HTTPRequest(enum Method method, const std::string& rURI);
~HTTPRequest();
private:
// no copying
HTTPRequest(const HTTPRequest &);
HTTPRequest &operator=(const HTTPRequest &);
public:
typedef std::multimap<std::string, std::string> Query_t;
typedef Query_t::value_type QueryEn_t;
typedef std::pair<std::string, std::string> Header;
enum
{
HTTPVersion__MajorMultiplier = 1000,
HTTPVersion_0_9 = 9,
HTTPVersion_1_0 = 1000,
HTTPVersion_1_1 = 1001
};
bool Receive(IOStreamGetLine &rGetLine, int Timeout);
bool Send(IOStream &rStream, int Timeout, bool ExpectContinue = false);
void SendWithStream(IOStream &rStreamToSendTo, int Timeout,
IOStream* pStreamToSend, HTTPResponse& rResponse);
void ReadContent(IOStream& rStreamToWriteTo);
typedef std::map<std::string, std::string> CookieJar_t;
// --------------------------------------------------------------------------
//
// Function
// Name: HTTPResponse::Get*()
// Purpose: Various Get accessors
// Created: 26/3/04
//
// --------------------------------------------------------------------------
enum Method GetMethod() const {return mMethod;}
const std::string &GetRequestURI() const {return mRequestURI;}
// Note: the HTTPRequest generates and parses the Host: header
// Do not attempt to set one yourself with AddHeader().
const std::string &GetHostName() const {return mHostName;}
void SetHostName(const std::string& rHostName)
{
mHostName = rHostName;
}
const int GetHostPort() const {return mHostPort;}
const std::string &GetQueryString() const {return mQueryString;}
int GetHTTPVersion() const {return mHTTPVersion;}
const Query_t &GetQuery() const {return mQuery;}
int GetContentLength() const {return mContentLength;}
const std::string &GetContentType() const {return mContentType;}
const CookieJar_t *GetCookies() const {return mpCookies;} // WARNING: May return NULL
bool GetCookie(const char *CookieName, std::string &rValueOut) const;
const std::string &GetCookie(const char *CookieName) const;
bool GetHeader(const std::string& rName, std::string* pValueOut) const
{
std::string header = ToLowerCase(rName);
for (std::vector<Header>::const_iterator
i = mExtraHeaders.begin();
i != mExtraHeaders.end(); i++)
{
if (i->first == header)
{
*pValueOut = i->second;
return true;
}
}
return false;
}
std::vector<Header> GetHeaders() { return mExtraHeaders; }
// --------------------------------------------------------------------------
//
// Function
// Name: HTTPRequest::GetClientKeepAliveRequested()
// Purpose: Returns true if the client requested that the connection
// should be kept open for further requests.
// Created: 22/12/04
//
// --------------------------------------------------------------------------
bool GetClientKeepAliveRequested() const {return mClientKeepAliveRequested;}
void SetClientKeepAliveRequested(bool keepAlive)
{
mClientKeepAliveRequested = keepAlive;
}
void AddHeader(const std::string& rName, const std::string& rValue)
{
mExtraHeaders.push_back(Header(ToLowerCase(rName), rValue));
}
bool IsExpectingContinue() const { return mExpectContinue; }
const char* GetVerb() const
{
if (!mHttpVerb.empty())
{
return mHttpVerb.c_str();
}
switch (mMethod)
{
case Method_UNINITIALISED: return "Uninitialized";
case Method_UNKNOWN: return "Unknown";
case Method_GET: return "GET";
case Method_HEAD: return "HEAD";
case Method_POST: return "POST";
case Method_PUT: return "PUT";
}
return "Bad";
}
private:
void ParseHeaders(IOStreamGetLine &rGetLine, int Timeout);
void ParseCookies(const std::string &rHeader, int DataStarts);
enum Method mMethod;
std::string mRequestURI;
std::string mHostName;
int mHostPort;
std::string mQueryString;
int mHTTPVersion;
Query_t mQuery;
int mContentLength;
std::string mContentType;
CookieJar_t *mpCookies;
bool mClientKeepAliveRequested;
std::vector<Header> mExtraHeaders;
bool mExpectContinue;
IOStream* mpStreamToReadFrom;
std::string mHttpVerb;
std::string ToLowerCase(const std::string& rInput) const
{
std::string output = rInput;
for (std::string::iterator c = output.begin();
c != output.end(); c++)
{
*c = tolower(*c);
}
return output;
}
};
#endif // HTTPREQUEST__H
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