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Add WebAPI for downloading torrent metadata

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Signed-off-by: Thomas Piccirello <thomas@piccirello.com>
This commit is contained in:
Thomas Piccirello
2024-09-18 10:18:13 -07:00
parent e45ca3fde7
commit 69bf31f4e9
4 changed files with 50 additions and 2 deletions
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16
src/base/bittorrent/torrentdescriptor.cpp
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@@ -141,6 +141,22 @@ catch (const lt::system_error &err)
return nonstd::make_unexpected(QString::fromLocal8Bit(err.what()));
}
nonstd::expected<QByteArray, QString> BitTorrent::TorrentDescriptor::saveToBuffer() const
try
{
const lt::entry torrentEntry = lt::write_torrent_file(m_ltAddTorrentParams);
// usually torrent size should be smaller than 1 MB,
// however there are >100 MB v2/hybrid torrent files out in the wild
QByteArray buffer;
buffer.reserve(1024 * 1024);
lt::bencode(std::back_inserter(buffer), torrentEntry);
return buffer;
}
catch (const lt::system_error &err)
{
return nonstd::make_unexpected(QString::fromLocal8Bit(err.what()));
}
BitTorrent::TorrentDescriptor::TorrentDescriptor(lt::add_torrent_params ltAddTorrentParams)
: m_ltAddTorrentParams {std::move(ltAddTorrentParams)}
{

1
src/base/bittorrent/torrentdescriptor.h
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@@ -69,6 +69,7 @@ namespace BitTorrent
static nonstd::expected<TorrentDescriptor, QString> loadFromFile(const Path &path) noexcept;
static nonstd::expected<TorrentDescriptor, QString> parse(const QString &str) noexcept;
nonstd::expected<void, QString> saveToFile(const Path &path) const;
nonstd::expected<QByteArray, QString> saveToBuffer() const;
const lt::add_torrent_params &ltAddTorrentParams() const;