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https://github.com/aria2/aria2.git
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1ef99931e1
Rewritten Exception class. Throw exception object, not its pointer and catch by reference, so that remove problematic delete operator for catched exception. * src/Exception.cc * src/Exception.h * test/ExceptionTest.cc * src/*: All files throwing/catching exception. * test/*: All files throwing/catching exception.
124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "HttpHeaderProcessor.h"
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#include "HttpHeader.h"
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#include "message.h"
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#include "Util.h"
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#include "DlRetryEx.h"
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#include "DlAbortEx.h"
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namespace aria2 {
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HttpHeaderProcessor::HttpHeaderProcessor():_limit(4096) {}
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HttpHeaderProcessor::~HttpHeaderProcessor() {}
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void HttpHeaderProcessor::update(const unsigned char* data, size_t length)
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{
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checkHeaderLimit(length);
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strm.write(reinterpret_cast<const char*>(data), length);
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}
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void HttpHeaderProcessor::update(const std::string& data)
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{
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checkHeaderLimit(data.size());
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strm << data;
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}
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void HttpHeaderProcessor::checkHeaderLimit(size_t incomingLength)
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{
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strm.seekg(0, std::ios::end);
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if((size_t)strm.tellg()+incomingLength > _limit) {
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throw DlAbortEx("Too large http header");
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}
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}
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bool HttpHeaderProcessor::eoh() const
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{
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std::string str = strm.str();
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if(str.find("\r\n\r\n") == std::string::npos && str.find("\n\n") == std::string::npos) {
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return false;
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} else {
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return true;
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}
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}
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size_t HttpHeaderProcessor::getPutBackDataLength() const
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{
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const std::string& str = strm.str();
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std::string::size_type delimpos = std::string::npos;
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if((delimpos = str.find("\r\n\r\n")) != std::string::npos) {
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return str.size()-(delimpos+4);
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} else if((delimpos = str.find("\n\n")) != std::string::npos) {
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return str.size()-(delimpos+2);
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} else {
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return 0;
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}
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}
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void HttpHeaderProcessor::clear()
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{
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strm.str("");
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}
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SharedHandle<HttpHeader> HttpHeaderProcessor::getHttpResponseHeader()
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{
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strm.seekg(0, std::ios::beg);
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std::string line;
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getline(strm, line);
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// check HTTP status value
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if(line.size() <= 12) {
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throw DlRetryEx(EX_NO_STATUS_HEADER);
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}
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HttpHeaderHandle httpHeader(new HttpHeader());
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httpHeader->setResponseStatus(line.substr(9, 3));
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httpHeader->setVersion(line.substr(0, 8));
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httpHeader->fill(strm);
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return httpHeader;
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}
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std::string HttpHeaderProcessor::getHeaderString() const
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{
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std::string str = strm.str();
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std::string::size_type delimpos = std::string::npos;
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if((delimpos = str.find("\r\n\r\n")) != std::string::npos ||
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(delimpos = str.find("\n\n")) != std::string::npos) {
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return str.substr(0, delimpos);
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} else {
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return str;
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}
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}
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} // namespace aria2
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