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// --------------------------------------------------------------------------
//
// File
// Name: HTTPResponse.h
// Purpose: Response object for HTTP connections
// Created: 26/3/04
//
// --------------------------------------------------------------------------
#ifndef HTTPRESPONSE__H
#define HTTPRESPONSE__H
#include <string>
#include <vector>
#include "CollectInBufferStream.h"
class IOStreamGetLine;
// --------------------------------------------------------------------------
//
// Class
// Name: HTTPResponse
// Purpose: Response object for HTTP connections
// Created: 26/3/04
//
// --------------------------------------------------------------------------
class HTTPResponse : public CollectInBufferStream
{
public:
HTTPResponse(IOStream* pStreamToSendTo);
HTTPResponse();
~HTTPResponse();
// allow copying, but be very careful with the response stream,
// you can only read it once! (this class doesn't police it).
HTTPResponse(const HTTPResponse& rOther)
: mResponseCode(rOther.mResponseCode),
mResponseIsDynamicContent(rOther.mResponseIsDynamicContent),
mKeepAlive(rOther.mKeepAlive),
mContentType(rOther.mContentType),
mExtraHeaders(rOther.mExtraHeaders),
mContentLength(rOther.mContentLength),
mpStreamToSendTo(rOther.mpStreamToSendTo)
{
Write(rOther.GetBuffer(), rOther.GetSize());
}
HTTPResponse &operator=(const HTTPResponse &rOther)
{
Write(rOther.GetBuffer(), rOther.GetSize());
mResponseCode = rOther.mResponseCode;
mResponseIsDynamicContent = rOther.mResponseIsDynamicContent;
mKeepAlive = rOther.mKeepAlive;
mContentType = rOther.mContentType;
mExtraHeaders = rOther.mExtraHeaders;
mContentLength = rOther.mContentLength;
mpStreamToSendTo = rOther.mpStreamToSendTo;
return *this;
}
typedef std::pair<std::string, std::string> Header;
void SetResponseCode(int Code);
int GetResponseCode() { return mResponseCode; }
void SetContentType(const char *ContentType);
const std::string& GetContentType() { return mContentType; }
void SetAsRedirect(const char *RedirectTo, bool IsLocalURI = true);
void SetAsNotFound(const char *URI);
void Send(bool OmitContent = false);
void SendContinue();
void Receive(IOStream& rStream, int Timeout = IOStream::TimeOutInfinite);
// void AddHeader(const char *EntireHeaderLine);
// void AddHeader(const std::string &rEntireHeaderLine);
void AddHeader(const char *Header, const char *Value);
void AddHeader(const char *Header, const std::string &rValue);
void AddHeader(const std::string &rHeader, const std::string &rValue);
bool GetHeader(const std::string& rName, std::string* pValueOut) const
{
for (std::vector<Header>::const_iterator
i = mExtraHeaders.begin();
i != mExtraHeaders.end(); i++)
{
if (i->first == rName)
{
*pValueOut = i->second;
return true;
}
}
return false;
}
std::string GetHeaderValue(const std::string& rName)
{
std::string value;
if (!GetHeader(rName, &value))
{
THROW_EXCEPTION(CommonException, ConfigNoKey);
}
return value;
}
// Set dynamic content flag, default is content is dynamic
void SetResponseIsDynamicContent(bool IsDynamic) {mResponseIsDynamicContent = IsDynamic;}
// Set keep alive control, default is to mark as to be closed
void SetKeepAlive(bool KeepAlive) {mKeepAlive = KeepAlive;}
void SetCookie(const char *Name, const char *Value, const char *Path = "/", int ExpiresAt = 0);
enum
{
Code_OK = 200,
Code_NoContent = 204,
Code_MovedPermanently = 301,
Code_Found = 302, // redirection
Code_NotModified = 304,
Code_TemporaryRedirect = 307,
Code_MethodNotAllowed = 400,
Code_Unauthorized = 401,
Code_Forbidden = 403,
Code_NotFound = 404,
Code_InternalServerError = 500,
Code_NotImplemented = 501
};
static const char *ResponseCodeToString(int ResponseCode);
void WriteStringDefang(const char *String, unsigned int StringLen);
void WriteStringDefang(const std::string &rString) {WriteStringDefang(rString.c_str(), rString.size());}
// --------------------------------------------------------------------------
//
// Function
// Name: HTTPResponse::WriteString(const std::string &)
// Purpose: Write a string to the response (simple sugar function)
// Created: 9/4/04
//
// --------------------------------------------------------------------------
void WriteString(const std::string &rString)
{
Write(rString.c_str(), rString.size());
}
// --------------------------------------------------------------------------
//
// Function
// Name: HTTPResponse::SetDefaultURIPrefix(const std::string &)
// Purpose: Set default prefix used to local redirections
// Created: 26/3/04
//
// --------------------------------------------------------------------------
static void SetDefaultURIPrefix(const std::string &rPrefix)
{
msDefaultURIPrefix = rPrefix;
}
private:
int mResponseCode;
bool mResponseIsDynamicContent;
bool mKeepAlive;
std::string mContentType;
std::vector<Header> mExtraHeaders;
int mContentLength; // only used when reading response from stream
IOStream* mpStreamToSendTo; // nonzero only when constructed with a stream
static std::string msDefaultURIPrefix;
void ParseHeaders(IOStreamGetLine &rGetLine, int Timeout);
};
#endif // HTTPRESPONSE__H
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