qBittorrent/src/base/bittorrent/filesearcher.cpp
Vladimir Golovnev (Glassez) 561b597031
Improve "info hash" handling
Define "torrent ID" concept, which is either a SHA1 hash for torrents of version 1,
or a SHA256 hash (truncated to SHA1 hash length) for torrents of version 2.
Add support for native libtorrent2 info hashes.
2021-03-12 12:43:14 +03:00

69 lines
2.6 KiB
C++

/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2020 Vladimir Golovnev <glassez@yandex.ru>
*
* 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 this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. 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), 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.
*/
#include "filesearcher.h"
#include <QDir>
#include "base/bittorrent/common.h"
#include "base/bittorrent/infohash.h"
void FileSearcher::search(const BitTorrent::TorrentID &id, const QStringList &originalFileNames
, const QString &completeSavePath, const QString &incompleteSavePath)
{
const auto findInDir = [](const QString &dirPath, QStringList &fileNames) -> bool
{
const QDir dir {dirPath};
bool found = false;
for (QString &fileName : fileNames)
{
if (dir.exists(fileName))
{
found = true;
}
else if (dir.exists(fileName + QB_EXT))
{
found = true;
fileName += QB_EXT;
}
}
return found;
};
QString savePath = completeSavePath;
QStringList adjustedFileNames = originalFileNames;
const bool found = findInDir(savePath, adjustedFileNames);
if (!found && !incompleteSavePath.isEmpty())
{
savePath = incompleteSavePath;
findInDir(savePath, adjustedFileNames);
}
emit searchFinished(id, savePath, adjustedFileNames);
}