mirror of https://github.com/aria2/aria2
126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
/* <!-- copyright */
|
|
/*
|
|
* aria2 - The high speed download utility
|
|
*
|
|
* Copyright (C) 2006 Tatsuhiro Tsujikawa
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
* In addition, as a special exception, the copyright holders give
|
|
* permission to link the code of portions of this program with the
|
|
* OpenSSL library under certain conditions as described in each
|
|
* individual source file, and distribute linked combinations
|
|
* including the two.
|
|
* You must obey the GNU General Public License in all respects
|
|
* for all of the code used other than OpenSSL. If you modify
|
|
* file(s) with this exception, you may extend this exception to your
|
|
* version of the file(s), but you are not obligated to do so. If you
|
|
* do not wish to do so, delete this exception statement from your
|
|
* version. If you delete this exception statement from all source
|
|
* files in the program, then also delete it here.
|
|
*/
|
|
/* copyright --> */
|
|
#include "HttpHeaderProcessor.h"
|
|
#include "HttpHeader.h"
|
|
#include "message.h"
|
|
#include "Util.h"
|
|
#include "DlRetryEx.h"
|
|
#include "DlAbortEx.h"
|
|
#include "A2STR.h"
|
|
#include <sstream>
|
|
|
|
namespace aria2 {
|
|
|
|
HttpHeaderProcessor::HttpHeaderProcessor():_limit(4096) {}
|
|
|
|
HttpHeaderProcessor::~HttpHeaderProcessor() {}
|
|
|
|
void HttpHeaderProcessor::update(const unsigned char* data, size_t length)
|
|
{
|
|
checkHeaderLimit(length);
|
|
_buf += std::string(&data[0], &data[length]);
|
|
}
|
|
|
|
void HttpHeaderProcessor::update(const std::string& data)
|
|
{
|
|
checkHeaderLimit(data.size());
|
|
_buf += data;
|
|
}
|
|
|
|
void HttpHeaderProcessor::checkHeaderLimit(size_t incomingLength)
|
|
{
|
|
if(_buf.size()+incomingLength > _limit) {
|
|
throw DlAbortEx("Too large http header");
|
|
}
|
|
}
|
|
|
|
bool HttpHeaderProcessor::eoh() const
|
|
{
|
|
if(_buf.find("\r\n\r\n") == std::string::npos &&
|
|
_buf.find("\n\n") == std::string::npos) {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
size_t HttpHeaderProcessor::getPutBackDataLength() const
|
|
{
|
|
std::string::size_type delimpos = std::string::npos;
|
|
if((delimpos = _buf.find("\r\n\r\n")) != std::string::npos) {
|
|
return _buf.size()-(delimpos+4);
|
|
} else if((delimpos = _buf.find("\n\n")) != std::string::npos) {
|
|
return _buf.size()-(delimpos+2);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void HttpHeaderProcessor::clear()
|
|
{
|
|
_buf.erase();
|
|
}
|
|
|
|
SharedHandle<HttpHeader> HttpHeaderProcessor::getHttpResponseHeader()
|
|
{
|
|
std::string::size_type delimpos = std::string::npos;
|
|
if(((delimpos = _buf.find("\r\n")) == std::string::npos &&
|
|
(delimpos = _buf.find("\n")) == std::string::npos) ||
|
|
delimpos < 12) {
|
|
throw DlRetryEx(EX_NO_STATUS_HEADER);
|
|
}
|
|
HttpHeaderHandle httpHeader(new HttpHeader());
|
|
httpHeader->setVersion(_buf.substr(0, 8));
|
|
httpHeader->setResponseStatus(_buf.substr(9, 3));
|
|
std::istringstream strm(_buf);
|
|
// TODO 1st line(HTTP/1.1 200...) is also send to HttpHeader, but it should
|
|
// not.
|
|
httpHeader->fill(strm);
|
|
return httpHeader;
|
|
}
|
|
|
|
std::string HttpHeaderProcessor::getHeaderString() const
|
|
{
|
|
std::string::size_type delimpos = std::string::npos;
|
|
if((delimpos = _buf.find("\r\n\r\n")) == std::string::npos &&
|
|
(delimpos = _buf.find("\n\n")) == std::string::npos) {
|
|
return _buf;
|
|
} else {
|
|
return _buf.substr(0, delimpos);
|
|
}
|
|
}
|
|
|
|
} // namespace aria2
|