genesis-3d_engine/Engine/foundation/http/httpresponsereader.cc

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/****************************************************************************
Copyright (c) 2009, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifdef __WIN32__
#include "stdneb.h"
#include "http/httpresponsereader.h"
#include "io/textreader.h"
#include "io/memorystream.h"
namespace Http
{
__ImplementClass(Http::HttpResponseReader, 'HTRR', IO::StreamReader);
using namespace Util;
using namespace IO;
//------------------------------------------------------------------------------
/**
*/
HttpResponseReader::HttpResponseReader() :
isValidHttpResponse(false),
httpStatus(HttpStatus::InvalidHttpStatus),
contentLength(0)
{
// empty
}
//------------------------------------------------------------------------------
/**
*/
bool
HttpResponseReader::ReadResponse()
{
this->isValidHttpResponse = false;
this->httpStatus = HttpStatus::InvalidHttpStatus;
this->contentLength = 0;
this->contentType.Clear();
bool retval = false;
// attach a text reader to our stream and parse the response header
GPtr<TextReader> textReader = TextReader::Create();
textReader->SetStream(this->stream);
if (textReader->Open())
{
// read first line, should be "HTTP/x.x STATUSCODE STATUSSTRING"
String headLine = textReader->ReadLine();
Array<String> headTokens = headLine.Tokenize(" ");
if (headTokens.Size() < 3)
{
// malformed response header
return false;
}
// check if the HTTP version string looks alright
if (!String::MatchPattern(headTokens[0], "HTTP/*"))
{
// malformed request header
return false;
}
// decode the status code
this->httpStatus = HttpStatus::FromString(headTokens[1]);
if (HttpStatus::OK == this->httpStatus)
{
// decode the remaining request header lines
bool endOfHeader = false;
while (!textReader->Eof() && !endOfHeader)
{
String curLine = textReader->ReadLine();
Array<String> tokens;
curLine.TrimRight("\r");
if (curLine.IsValid())
{
if (String::MatchPattern(curLine, "Content-Length: *"))
{
// read content length
tokens = curLine.Tokenize(" :");
n_assert(tokens.Size() == 2);
this->contentLength = tokens[1].AsInt();
}
else if (String::MatchPattern(curLine, "Content-Type: *"))
{
// read content MIME type
tokens = curLine.Tokenize(" :");
n_assert(tokens.Size() == 2);
this->contentType.Set(tokens[1]);
}
}
else
{
endOfHeader = true;
}
}
retval = true;
}
this->isValidHttpResponse = true;
textReader->Close();
}
return retval;
}
} // namespace Http
#endif