Handle some torrent conflicts

PR #17576.

src/base/bittorrent/infohash.cpp

@@ -50,6 +50,15 @@ bool BitTorrent::InfoHash::isValid() const
     return m_valid;
 }
 
+bool BitTorrent::InfoHash::isHybrid() const
+{
+#ifdef QBT_USES_LIBTORRENT2
+    return (m_nativeHash.has_v1() && m_nativeHash.has_v2());
+#else
+    return false;
+#endif
+}
+
 SHA1Hash BitTorrent::InfoHash::v1() const
 {
 #ifdef QBT_USES_LIBTORRENT2
@@ -84,7 +93,7 @@ BitTorrent::InfoHash::operator WrappedType() const
 
 BitTorrent::TorrentID BitTorrent::TorrentID::fromString(const QString &hashString)
 {
-    return {BaseType::fromString(hashString)};
+    return TorrentID(BaseType::fromString(hashString));
 }
 
 BitTorrent::TorrentID BitTorrent::TorrentID::fromInfoHash(const BitTorrent::InfoHash &infoHash)
@@ -92,6 +101,16 @@ BitTorrent::TorrentID BitTorrent::TorrentID::fromInfoHash(const BitTorrent::Info
     return infoHash.toTorrentID();
 }
 
+BitTorrent::TorrentID BitTorrent::TorrentID::fromSHA1Hash(const SHA1Hash &hash)
+{
+    return TorrentID(hash);
+}
+
+BitTorrent::TorrentID BitTorrent::TorrentID::fromSHA256Hash(const SHA256Hash &hash)
+{
+    return BaseType::UnderlyingType(static_cast<typename SHA256Hash::UnderlyingType>(hash).data());
+}
+
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
 std::size_t BitTorrent::qHash(const BitTorrent::TorrentID &key, const std::size_t seed)
 #else

src/base/bittorrent/infohash.h

@@ -52,6 +52,8 @@ namespace BitTorrent
 
         static TorrentID fromString(const QString &hashString);
         static TorrentID fromInfoHash(const InfoHash &infoHash);
+        static TorrentID fromSHA1Hash(const SHA1Hash &hash);
+        static TorrentID fromSHA256Hash(const SHA256Hash &hash);
     };
 
     class InfoHash
@@ -70,6 +72,7 @@ namespace BitTorrent
 #endif
 
         bool isValid() const;
+        bool isHybrid() const;
         SHA1Hash v1() const;
         SHA256Hash v2() const;
         TorrentID toTorrentID() const;

src/base/bittorrent/session.cpp

@@ -2116,12 +2116,26 @@ void Session::fileSearchFinished(const TorrentID &id, const Path &savePath, cons
     }
 }
 
-// Return the torrent handle, given its hash
-Torrent *Session::findTorrent(const TorrentID &id) const
+Torrent *Session::getTorrent(const TorrentID &id) const
 {
     return m_torrents.value(id);
 }
 
+Torrent *Session::findTorrent(const InfoHash &infoHash) const
+{
+    const auto id = TorrentID::fromInfoHash(infoHash);
+    if (Torrent *torrent = m_torrents.value(id); torrent)
+        return torrent;
+
+    if (!infoHash.isHybrid())
+        return nullptr;
+
+    // alternative ID can be useful to find existing torrent
+    // in case if hybrid torrent was added by v1 info hash
+    const auto altID = TorrentID::fromSHA1Hash(infoHash.v1());
+    return m_torrents.value(altID);
+}
+
 bool Session::hasActiveTorrents() const
 {
     return std::any_of(m_torrents.begin(), m_torrents.end(), [](TorrentImpl *torrent)
@@ -2502,21 +2516,18 @@ bool Session::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source
     Q_ASSERT(isRestored());
 
     const bool hasMetadata = std::holds_alternative<TorrentInfo>(source);
-    const auto id = TorrentID::fromInfoHash(hasMetadata ? std::get<TorrentInfo>(source).infoHash() : std::get<MagnetUri>(source).infoHash());
+    const auto infoHash = (hasMetadata ? std::get<TorrentInfo>(source).infoHash() : std::get<MagnetUri>(source).infoHash());
+    const auto id = TorrentID::fromInfoHash(infoHash);
 
-    // It looks illogical that we don't just use an existing handle,
-    // but as previous experience has shown, it actually creates unnecessary
-    // problems and unwanted behavior due to the fact that it was originally
-    // added with parameters other than those provided by the user.
-    cancelDownloadMetadata(id);
+    // alternative ID can be useful to find existing torrent in case if hybrid torrent was added by v1 info hash
+    const auto altID = (infoHash.isHybrid() ? TorrentID::fromSHA1Hash(infoHash.v1()) : TorrentID());
 
     // We should not add the torrent if it is already
     // processed or is pending to add to session
-    if (m_loadingTorrents.contains(id))
+    if (m_loadingTorrents.contains(id) || (infoHash.isHybrid() && m_loadingTorrents.contains(altID)))
         return false;
 
-    TorrentImpl *const torrent = m_torrents.value(id);
-    if (torrent)
+    if (Torrent *torrent = findTorrent(infoHash); torrent)
     {
         if (hasMetadata)
         {
@@ -2527,6 +2538,14 @@ bool Session::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source
         return false;
     }
 
+    // It looks illogical that we don't just use an existing handle,
+    // but as previous experience has shown, it actually creates unnecessary
+    // problems and unwanted behavior due to the fact that it was originally
+    // added with parameters other than those provided by the user.
+    cancelDownloadMetadata(id);
+    if (infoHash.isHybrid())
+        cancelDownloadMetadata(altID);
+
     LoadTorrentParams loadTorrentParams = initLoadTorrentParams(addTorrentParams);
     lt::add_torrent_params &p = loadTorrentParams.ltAddTorrentParams;
 
@@ -2662,6 +2681,8 @@ bool Session::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source
     else
         p.flags |= lt::torrent_flags::auto_managed;
 
+    p.flags |= lt::torrent_flags::duplicate_is_error;
+
     p.added_time = std::time(nullptr);
 
     // Limits
@@ -2697,20 +2718,13 @@ void Session::findIncompleteFiles(const TorrentInfo &torrentInfo, const Path &sa
 // and force it to download its metadata
 bool Session::downloadMetadata(const MagnetUri &magnetUri)
 {
-    if (!magnetUri.isValid()) return false;
-
-    const auto id = TorrentID::fromInfoHash(magnetUri.infoHash());
-    const QString name = magnetUri.name();
+    if (!magnetUri.isValid())
+        return false;
 
     // We should not add torrent if it's already
     // processed or adding to session
-    if (m_torrents.contains(id)) return false;
-    if (m_loadingTorrents.contains(id)) return false;
-    if (m_downloadedMetadata.contains(id)) return false;
-
-    qDebug("Adding torrent to preload metadata...");
-    qDebug(" -> Torrent ID: %s", qUtf8Printable(id.toString()));
-    qDebug(" -> Name: %s", qUtf8Printable(name));
+    if (isKnownTorrent(magnetUri.infoHash()))
+        return false;
 
     lt::add_torrent_params p = magnetUri.addTorrentParams();
 
@@ -2725,6 +2739,7 @@ bool Session::downloadMetadata(const MagnetUri &magnetUri)
     p.max_connections = maxConnectionsPerTorrent();
     p.max_uploads = maxUploadsPerTorrent();
 
+    const auto id = TorrentID::fromInfoHash(magnetUri.infoHash());
     const Path savePath = Utils::Fs::tempPath() / Path(id.toString());
     p.save_path = savePath.toString().toStdString();
 
@@ -2816,7 +2831,7 @@ void Session::saveResumeData()
             {
             case lt::save_resume_data_failed_alert::alert_type:
             case lt::save_resume_data_alert::alert_type:
-                dispatchTorrentAlert(a);
+                dispatchTorrentAlert(static_cast<const lt::torrent_alert *>(a));
                 break;
             }
         }
@@ -4365,11 +4380,19 @@ void Session::setMaxRatioAction(const MaxRatioAction act)
 
 // If this functions returns true, we cannot add torrent to session,
 // but it is still possible to merge trackers in some cases
-bool Session::isKnownTorrent(const TorrentID &id) const
+bool Session::isKnownTorrent(const InfoHash &infoHash) const
 {
-    return (m_torrents.contains(id)
-            || m_loadingTorrents.contains(id)
-            || m_downloadedMetadata.contains(id));
+    const bool isHybrid = infoHash.isHybrid();
+    const auto id = TorrentID::fromInfoHash(infoHash);
+    // alternative ID can be useful to find existing torrent
+    // in case if hybrid torrent was added by v1 info hash
+    const auto altID = (isHybrid ? TorrentID::fromSHA1Hash(infoHash.v1()) : TorrentID());
+
+    if (m_loadingTorrents.contains(id) || (isHybrid && m_loadingTorrents.contains(altID)))
+        return true;
+    if (m_downloadedMetadata.contains(id) || (isHybrid && m_downloadedMetadata.contains(altID)))
+        return true;
+    return findTorrent(infoHash);
 }
 
 void Session::updateSeedingLimitTimer()
@@ -4522,6 +4545,18 @@ void Session::handleTorrentResumeDataReady(TorrentImpl *const torrent, const Loa
     --m_numResumeData;
 
     m_resumeDataStorage->store(torrent->id(), data);
+    const auto iter = m_changedTorrentIDs.find(torrent->id());
+    if (iter != m_changedTorrentIDs.end())
+    {
+        m_resumeDataStorage->remove(iter.value());
+        m_changedTorrentIDs.erase(iter);
+    }
+}
+
+void Session::handleTorrentIDChanged(const TorrentImpl *torrent, const TorrentID &prevID)
+{
+    m_torrents[torrent->id()] = m_torrents.take(prevID);
+    m_changedTorrentIDs[torrent->id()] = prevID;
 }
 
 bool Session::addMoveTorrentStorageJob(TorrentImpl *torrent, const Path &newPath, const MoveStorageMode mode)
@@ -4956,7 +4991,7 @@ void Session::handleAlert(const lt::alert *a)
         case lt::torrent_checked_alert::alert_type:
         case lt::metadata_received_alert::alert_type:
         case lt::performance_alert::alert_type:
-            dispatchTorrentAlert(a);
+            dispatchTorrentAlert(static_cast<const lt::torrent_alert *>(a));
             break;
         case lt::state_update_alert::alert_type:
             handleStateUpdateAlert(static_cast<const lt::state_update_alert*>(a));
@@ -5021,6 +5056,11 @@ void Session::handleAlert(const lt::alert *a)
         case lt::socks5_alert::alert_type:
             handleSocks5Alert(static_cast<const lt::socks5_alert *>(a));
             break;
+#ifdef QBT_USES_LIBTORRENT2
+        case lt::torrent_conflict_alert::alert_type:
+            handleTorrentConflictAlert(static_cast<const lt::torrent_conflict_alert *>(a));
+            break;
+#endif
         }
     }
     catch (const std::exception &exc)
@@ -5029,9 +5069,19 @@ void Session::handleAlert(const lt::alert *a)
     }
 }
 
-void Session::dispatchTorrentAlert(const lt::alert *a)
+void Session::dispatchTorrentAlert(const lt::torrent_alert *a)
 {
-    TorrentImpl *const torrent = m_torrents.value(static_cast<const lt::torrent_alert*>(a)->handle.info_hash());
+    const TorrentID torrentID {a->handle.info_hash()};
+    TorrentImpl *torrent = m_torrents.value(torrentID);
+#ifdef QBT_USES_LIBTORRENT2
+    if (!torrent && (a->type() == lt::metadata_received_alert::alert_type))
+    {
+        const InfoHash infoHash {a->handle.info_hashes()};
+        if (infoHash.isHybrid())
+            torrent = m_torrents.value(TorrentID::fromSHA1Hash(infoHash.v1()));
+    }
+#endif
+
     if (torrent)
     {
         torrent->handleAlert(a);
@@ -5041,7 +5091,7 @@ void Session::dispatchTorrentAlert(const lt::alert *a)
     switch (a->type())
     {
     case lt::metadata_received_alert::alert_type:
-        handleMetadataReceivedAlert(static_cast<const lt::metadata_received_alert*>(a));
+        handleMetadataReceivedAlert(static_cast<const lt::metadata_received_alert *>(a));
         break;
     }
 }
@@ -5489,6 +5539,40 @@ void Session::handleTrackerAlert(const lt::tracker_alert *a)
     }
 }
 
+#ifdef QBT_USES_LIBTORRENT2
+void Session::handleTorrentConflictAlert(const lt::torrent_conflict_alert *a)
+{
+    const auto torrentIDv1 = TorrentID::fromSHA1Hash(a->metadata->info_hashes().v1);
+    const auto torrentIDv2 = TorrentID::fromSHA256Hash(a->metadata->info_hashes().v2);
+    TorrentImpl *torrent1 = m_torrents.value(torrentIDv1);
+    TorrentImpl *torrent2 = m_torrents.value(torrentIDv2);
+    if (torrent2)
+    {
+        if (torrent1)
+            deleteTorrent(torrentIDv1);
+        else
+            cancelDownloadMetadata(torrentIDv1);
+
+        torrent2->nativeHandle().set_metadata(a->metadata->info_section());
+    }
+    else if (torrent1)
+    {
+        if (!torrent2)
+            cancelDownloadMetadata(torrentIDv2);
+
+        torrent1->nativeHandle().set_metadata(a->metadata->info_section());
+    }
+    else
+    {
+        cancelDownloadMetadata(torrentIDv1);
+        cancelDownloadMetadata(torrentIDv2);
+    }
+
+    if (!torrent1 || !torrent2)
+        emit metadataDownloaded(TorrentInfo(*a->metadata));
+}
+#endif
+
 void Session::processTrackerStatuses()
 {
     for (auto it = m_updatedTrackerEntries.cbegin(); it != m_updatedTrackerEntries.cend(); ++it)

src/base/bittorrent/session.h

@@ -52,6 +52,14 @@
 #include "torrentinfo.h"
 #include "trackerentry.h"
 
+#ifdef QBT_USES_LIBTORRENT2
+// TODO: Remove the following forward declaration once v2.0.8 is released
+namespace libtorrent
+{
+    struct torrent_conflict_alert;
+}
+#endif
+
 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
 class QNetworkConfiguration;
 class QNetworkConfigurationManager;
@@ -473,7 +481,8 @@ namespace BitTorrent
 
         bool isRestored() const;
 
-        Torrent *findTorrent(const TorrentID &id) const;
+        Torrent *getTorrent(const TorrentID &id) const;
+        Torrent *findTorrent(const InfoHash &infoHash) const;
         QVector<Torrent *> torrents() const;
         qsizetype torrentsCount() const;
         bool hasActiveTorrents() const;
@@ -490,7 +499,7 @@ namespace BitTorrent
 
         void banIP(const QString &ip);
 
-        bool isKnownTorrent(const TorrentID &id) const;
+        bool isKnownTorrent(const InfoHash &infoHash) const;
         bool addTorrent(const QString &source, const AddTorrentParams &params = AddTorrentParams());
         bool addTorrent(const MagnetUri &magnetUri, const AddTorrentParams &params = AddTorrentParams());
         bool addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params = AddTorrentParams());
@@ -525,6 +534,7 @@ namespace BitTorrent
         void handleTorrentUrlSeedsAdded(TorrentImpl *const torrent, const QVector<QUrl> &newUrlSeeds);
         void handleTorrentUrlSeedsRemoved(TorrentImpl *const torrent, const QVector<QUrl> &urlSeeds);
         void handleTorrentResumeDataReady(TorrentImpl *const torrent, const LoadTorrentParams &data);
+        void handleTorrentIDChanged(const TorrentImpl *torrent, const TorrentID &prevID);
 
         bool addMoveTorrentStorageJob(TorrentImpl *torrent, const Path &newPath, MoveStorageMode mode);
 
@@ -647,7 +657,7 @@ namespace BitTorrent
 
         void handleAlert(const lt::alert *a);
         void handleAddTorrentAlerts(const std::vector<lt::alert *> &alerts);
-        void dispatchTorrentAlert(const lt::alert *a);
+        void dispatchTorrentAlert(const lt::torrent_alert *a);
         void handleStateUpdateAlert(const lt::state_update_alert *p);
         void handleMetadataReceivedAlert(const lt::metadata_received_alert *p);
         void handleFileErrorAlert(const lt::file_error_alert *p);
@@ -668,6 +678,9 @@ namespace BitTorrent
         void handleStorageMovedFailedAlert(const lt::storage_moved_failed_alert *p);
         void handleSocks5Alert(const lt::socks5_alert *p) const;
         void handleTrackerAlert(const lt::tracker_alert *a);
+#ifdef QBT_USES_LIBTORRENT2
+        void handleTorrentConflictAlert(const lt::torrent_conflict_alert *a);
+#endif
 
         TorrentImpl *createTorrent(const lt::torrent_handle &nativeHandle, const LoadTorrentParams &params);
 
@@ -830,6 +843,7 @@ namespace BitTorrent
         QHash<QString, AddTorrentParams> m_downloadedTorrents;
         QHash<TorrentID, RemovingTorrentData> m_removingTorrents;
         QSet<TorrentID> m_needSaveResumeDataTorrents;
+        QHash<TorrentID, TorrentID> m_changedTorrentIDs;
         QMap<QString, CategoryOptions> m_categories;
         QSet<QString> m_tags;
 

src/base/bittorrent/torrentimpl.cpp

@@ -2004,6 +2004,13 @@ void TorrentImpl::handleMetadataReceivedAlert(const lt::metadata_received_alert
     Q_UNUSED(p);
     qDebug("Metadata received for torrent %s.", qUtf8Printable(name()));
 
+#ifdef QBT_USES_LIBTORRENT2
+    const TorrentID prevTorrentID = id();
+    m_infoHash = InfoHash(m_nativeHandle.info_hashes());
+    if (prevTorrentID != id())
+        m_session->handleTorrentIDChanged(this, prevTorrentID);
+#endif
+
     m_maintenanceJob = MaintenanceJob::HandleMetadata;
     m_session->handleTorrentNeedSaveResumeData(this);
 }

src/gui/addnewtorrentdialog.cpp

@@ -427,12 +427,12 @@ bool AddNewTorrentDialog::loadTorrentFile(const QString &source)
 
 bool AddNewTorrentDialog::loadTorrentImpl()
 {
-    const auto torrentID = BitTorrent::TorrentID::fromInfoHash(m_torrentInfo.infoHash());
+    const BitTorrent::InfoHash infoHash = m_torrentInfo.infoHash();
 
     // Prevent showing the dialog if download is already present
-    if (BitTorrent::Session::instance()->isKnownTorrent(torrentID))
+    if (BitTorrent::Session::instance()->isKnownTorrent(infoHash))
     {
-        BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(torrentID);
+        BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(infoHash);
         if (torrent)
         {
             // Trying to set metadata to existing torrent in case if it has none
@@ -480,11 +480,12 @@ bool AddNewTorrentDialog::loadMagnet(const BitTorrent::MagnetUri &magnetUri)
 
     m_torrentGuard = std::make_unique<TorrentFileGuard>();
 
-    const auto torrentID = BitTorrent::TorrentID::fromInfoHash(magnetUri.infoHash());
+    const BitTorrent::InfoHash infoHash = magnetUri.infoHash();
+
     // Prevent showing the dialog if download is already present
-    if (BitTorrent::Session::instance()->isKnownTorrent(torrentID))
+    if (BitTorrent::Session::instance()->isKnownTorrent(infoHash))
     {
-        BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(torrentID);
+        BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(infoHash);
         if (torrent)
         {
             if (torrent->isPrivate())

src/gui/torrentoptionsdialog.cpp

@@ -411,7 +411,7 @@ void TorrentOptionsDialog::accept()
     auto *session = BitTorrent::Session::instance();
     for (const BitTorrent::TorrentID &id : asConst(m_torrentIDs))
     {
-        BitTorrent::Torrent *torrent = session->findTorrent(id);
+        BitTorrent::Torrent *torrent = session->getTorrent(id);
         if (!torrent) continue;
 
         if (m_initialValues.autoTMM != m_ui->checkAutoTMM->checkState())

src/webui/api/synccontroller.cpp

@@ -536,7 +536,7 @@ void SyncController::maindataAction()
 void SyncController::torrentPeersAction()
 {
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    const BitTorrent::Torrent *torrent = BitTorrent::Session::instance()->findTorrent(id);
+    const BitTorrent::Torrent *torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 

src/webui/api/torrentscontroller.cpp

@@ -133,7 +133,7 @@ namespace
             for (const QString &idString : idList)
             {
                 const auto hash = BitTorrent::TorrentID::fromString(idString);
-                BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(hash);
+                BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(hash);
                 if (torrent)
                     func(torrent);
             }
@@ -392,7 +392,7 @@ void TorrentsController::propertiesAction()
     requireParams({u"hash"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -466,7 +466,7 @@ void TorrentsController::trackersAction()
     requireParams({u"hash"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -499,7 +499,7 @@ void TorrentsController::webseedsAction()
     requireParams({u"hash"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -531,7 +531,7 @@ void TorrentsController::filesAction()
     requireParams({u"hash"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -600,7 +600,7 @@ void TorrentsController::pieceHashesAction()
     requireParams({u"hash"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -625,7 +625,7 @@ void TorrentsController::pieceStatesAction()
     requireParams({u"hash"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -741,7 +741,7 @@ void TorrentsController::addTrackersAction()
     requireParams({u"hash"_qs, u"urls"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -763,7 +763,7 @@ void TorrentsController::editTrackerAction()
     const QString origUrl = params()[u"origUrl"_qs];
     const QString newUrl = params()[u"newUrl"_qs];
 
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -801,7 +801,7 @@ void TorrentsController::removeTrackersAction()
     requireParams({u"hash"_qs, u"urls"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -879,7 +879,7 @@ void TorrentsController::filePrioAction()
     if (!BitTorrent::isValidDownloadPriority(priority))
         throw APIError(APIErrorType::BadParams, tr("Priority is not valid"));
 
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
     if (!torrent->hasMetadata())
@@ -916,7 +916,7 @@ void TorrentsController::uploadLimitAction()
     for (const QString &id : idList)
     {
         int limit = -1;
-        const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(BitTorrent::TorrentID::fromString(id));
+        const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(BitTorrent::TorrentID::fromString(id));
         if (torrent)
             limit = torrent->uploadLimit();
         map[id] = limit;
@@ -934,7 +934,7 @@ void TorrentsController::downloadLimitAction()
     for (const QString &id : idList)
     {
         int limit = -1;
-        const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(BitTorrent::TorrentID::fromString(id));
+        const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(BitTorrent::TorrentID::fromString(id));
         if (torrent)
             limit = torrent->downloadLimit();
         map[id] = limit;
@@ -1163,7 +1163,7 @@ void TorrentsController::renameAction()
     if (name.isEmpty())
         throw APIError(APIErrorType::Conflict, tr("Incorrect torrent name"));
 
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -1363,7 +1363,7 @@ void TorrentsController::renameFileAction()
     requireParams({u"hash"_qs, u"oldPath"_qs, u"newPath"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -1385,7 +1385,7 @@ void TorrentsController::renameFolderAction()
     requireParams({u"hash"_qs, u"oldPath"_qs, u"newPath"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);
 
@@ -1407,7 +1407,7 @@ void TorrentsController::exportAction()
     requireParams({u"hash"_qs});
 
     const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_qs]);
-    const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(id);
+    const BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
     if (!torrent)
         throw APIError(APIErrorType::NotFound);