mirror of https://github.com/aria2/aria2
111 lines
3.0 KiB
C++
111 lines
3.0 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 "ProtocolDetector.h"
|
|
|
|
#include <cstring>
|
|
#include <iomanip>
|
|
|
|
#include "Request.h"
|
|
#include "File.h"
|
|
#include "util.h"
|
|
#include "RecoverableException.h"
|
|
#include "uri.h"
|
|
#include "BufferedFile.h"
|
|
#ifdef ENABLE_BITTORRENT
|
|
#include "bittorrent_helper.h"
|
|
#endif // ENABLE_BITTORRENT
|
|
|
|
namespace aria2 {
|
|
|
|
ProtocolDetector::ProtocolDetector() {}
|
|
|
|
ProtocolDetector::~ProtocolDetector() {}
|
|
|
|
bool ProtocolDetector::isStreamProtocol(const std::string& uri) const
|
|
{
|
|
return uri_split(nullptr, uri.c_str()) == 0;
|
|
}
|
|
|
|
bool ProtocolDetector::guessTorrentFile(const std::string& uri) const
|
|
{
|
|
BufferedFile fp(uri.c_str(), BufferedFile::READ);
|
|
if (fp) {
|
|
char head[1];
|
|
if (fp.read(head, sizeof(head)) == sizeof(head)) {
|
|
return head[0] == 'd';
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool ProtocolDetector::guessTorrentMagnet(const std::string& uri) const
|
|
{
|
|
#ifdef ENABLE_BITTORRENT
|
|
try {
|
|
bittorrent::parseMagnet(uri);
|
|
return true;
|
|
}
|
|
catch (RecoverableException& e) {
|
|
return false;
|
|
}
|
|
#else // !ENABLE_BITTORRENT
|
|
return false;
|
|
#endif // !ENABLE_BITTORRENT
|
|
}
|
|
|
|
bool ProtocolDetector::guessMetalinkFile(const std::string& uri) const
|
|
{
|
|
BufferedFile fp(uri.c_str(), BufferedFile::READ);
|
|
if (fp) {
|
|
char head[5];
|
|
if (fp.read(head, sizeof(head)) == sizeof(head)) {
|
|
return memcmp(head, "<?xml", 5) == 0;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
} // namespace aria2
|