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Handle exception when torrent file cannot be exported

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Both `lt::create_torrent` constructor and `lt::create_torrent::generate()`
can throw an exception so we need to handle it to prevent the app from crashing.
This commit is contained in:
Vladimir Golovnev (Glassez)
2021-06-17 20:28:07 +03:00
committed by Vladimir Golovnev
parent 6070b41c9b
commit 3faa7226e7
7 changed files with 66 additions and 41 deletions
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25
src/base/bittorrent/torrentinfo.cpp
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@@ -167,18 +167,25 @@ TorrentInfo TorrentInfo::loadFromFile(const QString &path, QString *error) noexc
void TorrentInfo::saveToFile(const QString &path) const
{
if (!isValid())
throw RuntimeError {tr("Invalid metadata.")};
throw RuntimeError {tr("Invalid metadata")};
const lt::create_torrent torrentCreator = lt::create_torrent(*(nativeInfo()));
const lt::entry torrentEntry = torrentCreator.generate();
try
{
const auto torrentCreator = lt::create_torrent(*nativeInfo());
const lt::entry torrentEntry = torrentCreator.generate();
QFile torrentFile {path};
if (!torrentFile.open(QIODevice::WriteOnly))
throw RuntimeError {torrentFile.errorString()};
QFile torrentFile {path};
if (!torrentFile.open(QIODevice::WriteOnly))
throw RuntimeError(torrentFile.errorString());
lt::bencode(Utils::IO::FileDeviceOutputIterator {torrentFile}, torrentEntry);
if (torrentFile.error() != QFileDevice::NoError)
throw RuntimeError {torrentFile.errorString()};
lt::bencode(Utils::IO::FileDeviceOutputIterator {torrentFile}, torrentEntry);
if (torrentFile.error() != QFileDevice::NoError)
throw RuntimeError(torrentFile.errorString());
}
catch (const lt::system_error &err)
{
throw RuntimeError(QString::fromLocal8Bit(err.what()));
}
}
bool TorrentInfo::isValid() const