FEATURE: Torrent files can be exported to a given directory

BUGFIX: Fix crash when double-clicking on a torrent that has no metadata to open its save path

Changelog

@@ -3,6 +3,7 @@
     - FEATURE: Bandwidth scheduler (automatically use alternative speed limits for a given period)
     - FEATURE: Added "Added/Completed On" columns to transfer list
     - FEATURE: Added "Upload/Download limit" columns to transfer list
+    - FEATURE: Torrent files can be exported to a given directory
 
 * Mon Jan 18 2010 - Christophe Dumez <chris@qbittorrent.org> - v2.1.0
     - FEATURE: Graphical User Interface can be disabled at compilation time (headless running)

src/bittorrent.cpp

@@ -68,7 +68,7 @@ enum ProxyType {HTTP=1, SOCKS5=2, HTTP_PW=3, SOCKS5_PW=4, SOCKS4=5};
 enum VersionType { NORMAL,ALPHA,BETA,RELEASE_CANDIDATE,DEVEL };
 
 // Main constructor
-Bittorrent::Bittorrent() : preAllocateAll(false), addInPause(false), ratio_limit(-1), UPnPEnabled(false), NATPMPEnabled(false), LSDEnabled(false), DHTEnabled(false), current_dht_port(0), queueingEnabled(false), exiting(false) {
+Bittorrent::Bittorrent() : preAllocateAll(false), addInPause(false), ratio_limit(-1), UPnPEnabled(false), NATPMPEnabled(false), LSDEnabled(false), DHTEnabled(false), current_dht_port(0), queueingEnabled(false), torrentExport(false), exiting(false) {
 #ifndef DISABLE_GUI
   geoipDBLoaded = false;
   resolve_countries = false;
@@ -280,6 +280,15 @@ void Bittorrent::configureSession() {
     //Interval first
     enableDirectoryScanning(scan_dir);
   }
+  // * Export Dir
+  bool newTorrentExport = Preferences::isTorrentExportEnabled();
+  if(torrentExport != newTorrentExport) {
+    torrentExport = newTorrentExport;
+    if(torrentExport) {
+      qDebug("Torrent export is enabled, exporting the current torrents");
+      exportTorrentFiles(Preferences::getExportDir());
+    }
+  }
   // Connection
   // * Ports binding
   unsigned short old_listenPort = getListenPort();
@@ -1086,14 +1095,28 @@ QTorrentHandle Bittorrent::addTorrent(QString path, bool fromScanDir, QString fr
     if(appendqBExtension)
       appendqBextensionToTorrent(h, true);
 #endif
-  }
-  QString newFile = torrentBackup.path() + QDir::separator() + hash + ".torrent";
-  if(file != newFile) {
-    // Delete file from torrentBackup directory in case it exists because
-    // QFile::copy() do not overwrite
-    QFile::remove(newFile);
-    // Copy it to torrentBackup directory
-    QFile::copy(file, newFile);
+    // Backup torrent file
+    QString newFile = torrentBackup.absoluteFilePath(hash + ".torrent");
+    if(file != newFile) {
+      // Delete file from torrentBackup directory in case it exists because
+      // QFile::copy() do not overwrite
+      QFile::remove(newFile);
+      // Copy it to torrentBackup directory
+      QFile::copy(file, newFile);
+    }
+    // Copy the torrent file to the export folder
+    if(torrentExport) {
+      QDir exportPath(Preferences::getExportDir());
+      if(exportPath.exists() || exportPath.mkpath(exportPath.absolutePath())) {
+        QString torrent_path = exportPath.absoluteFilePath(h.name()+".torrent");
+        if(QFile::exists(torrent_path) && misc::sameFiles(file, torrent_path)) {
+          // Append hash to torrent name to make it unique
+          torrent_path = exportPath.absoluteFilePath(h.name()+"-"+h.hash()+".torrent");
+        }
+        QFile::copy(file, torrent_path);
+        //h.save_torrent_file(torrent_path);
+      }
+    }
   }
   if(!fastResume && (!addInPause || (Preferences::useAdditionDialog() && !fromScanDir))) {
     // Start torrent because it was added in paused state
@@ -1121,6 +1144,43 @@ QTorrentHandle Bittorrent::addTorrent(QString path, bool fromScanDir, QString fr
   return h;
 }
 
+void Bittorrent::exportTorrentFiles(QString path) {
+  Q_ASSERT(torrentExport);
+  QDir exportDir(path);
+  if(!exportDir.exists()) {
+    if(!exportDir.mkpath(exportDir.absolutePath())) {
+      std::cerr << "Error: Could not create torrent export directory: " << exportDir.absolutePath().toLocal8Bit().data() << std::endl;
+      return;
+    }
+  }
+  QDir torrentBackup(misc::BTBackupLocation());
+  std::vector<torrent_handle> handles = s->get_torrents();
+  std::vector<torrent_handle>::iterator itr;
+  for(itr=handles.begin(); itr != handles.end(); itr++) {
+    QTorrentHandle h(*itr);
+    if(!h.is_valid()) {
+      std::cerr << "Torrent Export: torrent is invalid, skipping..." << std::endl;
+      continue;
+    }
+    QString src_path = torrentBackup.absoluteFilePath(h.hash()+".torrent");
+    if(QFile::exists(src_path)) {
+      QString dst_path = exportDir.absoluteFilePath(h.name()+".torrent");
+      if(QFile::exists(dst_path)) {
+        if(!misc::sameFiles(src_path, dst_path)) {
+          dst_path = exportDir.absoluteFilePath(h.name()+"-"+h.hash()+".torrent");
+        } else {
+          qDebug("Torrent Export: Destination file exists, skipping...");
+          continue;
+        }
+      }
+      qDebug("Export Torrent: %s -> %s", src_path.toLocal8Bit().data(), dst_path.toLocal8Bit().data());
+      QFile::copy(src_path, dst_path);
+    } else {
+      std::cerr << "Error: could not export torrent "<< h.hash().toLocal8Bit().data() << ", maybe it has not metadata yet." <<std::endl;
+    }
+  }
+}
+
 // Set the maximum number of opened connections
 void Bittorrent::setMaxConnections(int maxConnec) {
   s->set_max_connections(maxConnec);
@@ -1746,7 +1806,7 @@ void Bittorrent::addConsoleMessage(QString msg, QString) {
           // Remember finished state
           TorrentPersistentData::saveSeedStatus(h);
 #ifdef LIBTORRENT_0_15
-           // Remove .!qB extension if necessary
+          // Remove .!qB extension if necessary
           if(appendqBExtension)
             appendqBextensionToTorrent(h, false);
 #endif
@@ -1791,8 +1851,7 @@ void Bittorrent::addConsoleMessage(QString msg, QString) {
           if(QFile::exists(file))
             QFile::remove(file);
           qDebug("Saving fastresume data in %s", file.toLocal8Bit().data());
-          if (p->resume_data)
-          {
+          if (p->resume_data) {
             boost::filesystem::ofstream out(fs::path(torrentBackup.path().toLocal8Bit().data()) / file.toLocal8Bit().data(), std::ios_base::binary);
             out.unsetf(std::ios_base::skipws);
             bencode(std::ostream_iterator<char>(out), *p->resume_data);
@@ -1818,6 +1877,26 @@ void Bittorrent::addConsoleMessage(QString msg, QString) {
           QDir torrentBackup(misc::BTBackupLocation());
           if(!QFile::exists(torrentBackup.path()+QDir::separator()+h.hash()+QString(".torrent")))
             h.save_torrent_file(torrentBackup.path()+QDir::separator()+h.hash()+QString(".torrent"));
+          // Copy the torrent file to the export folder
+          if(torrentExport) {
+            QDir exportPath(Preferences::getExportDir());
+            if(exportPath.exists() || exportPath.mkpath(exportPath.absolutePath())) {
+              QString torrent_path = exportPath.absoluteFilePath(h.name()+".torrent");
+              bool duplicate = false;
+              if(QFile::exists(torrent_path)) {
+                // Append hash to torrent name to make it unique
+                torrent_path = exportPath.absoluteFilePath(h.name()+"-"+h.hash()+".torrent");
+                duplicate = true;
+              }
+              h.save_torrent_file(torrent_path);
+              if(duplicate) {
+                // Remove duplicate file if indentical
+                if(misc::sameFiles(exportPath.absoluteFilePath(h.name()+".torrent"), torrent_path)) {
+                  QFile::remove(torrent_path);
+                }
+              }
+            }
+          }
           if(h.is_paused()) {
             // XXX: Unfortunately libtorrent-rasterbar does not send a torrent_paused_alert
             // and the torrent can be paused when metadata is received

src/bittorrent.h

@@ -118,6 +118,7 @@ private:
   bool PeXEnabled;
   bool queueingEnabled;
   bool appendLabelToSavePath;
+  bool torrentExport;
 #ifdef LIBTORRENT_0_15
   bool appendqBExtension;
 #endif
@@ -247,6 +248,7 @@ protected slots:
   void readAlerts();
   void deleteBigRatios();
   void takeETASamples();
+  void exportTorrentFiles(QString path);
 
 signals:
   void addedTorrent(QTorrentHandle& h);

src/misc.h

@@ -124,6 +124,27 @@ public:
     return x;
   }
 
+  static bool sameFiles(QString path1, QString path2) {
+    QFile f1(path1);
+    if(!f1.exists()) return false;
+    QFile f2(path2);
+    if(!f2.exists()) return false;
+    QByteArray content1, content2;
+    if(f1.open(QIODevice::ReadOnly)) {
+      content1 = f1.readAll();
+      f1.close();
+    } else {
+      return false;
+    }
+    if(f2.open(QIODevice::ReadOnly)) {
+      content1 = f2.readAll();
+      f2.close();
+    } else {
+      return false;
+    }
+    return content1 == content2;
+  }
+
   static void copyDir(QString src_path, QString dst_path) {
     QDir sourceDir(src_path);
     if(!sourceDir.exists()) return;

src/options_imp.cpp

@@ -153,9 +153,7 @@ options_imp::options_imp(QWidget *parent):QDialog(parent){
   // Downloads tab
   connect(checkTempFolder, SIGNAL(toggled(bool)), this, SLOT(enableTempPathInput(bool)));
   connect(checkScanDir, SIGNAL(toggled(bool)), this, SLOT(enableDirScan(bool)));
-  connect(actionTorrentDlOnDblClBox, SIGNAL(currentIndexChanged(int)), this, SLOT(enableApplyButton()));
-  connect(actionTorrentFnOnDblClBox, SIGNAL(currentIndexChanged(int)), this, SLOT(enableApplyButton()));
-  connect(checkTempFolder, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
+  connect(checkExportDir, SIGNAL(toggled(bool)), this, SLOT(enableTorrentExport(bool)));
   // Connection tab
   connect(checkUploadLimit, SIGNAL(toggled(bool)), this, SLOT(enableUploadLimit(bool)));
   connect(checkDownloadLimit,  SIGNAL(toggled(bool)), this, SLOT(enableDownloadLimit(bool)));
@@ -206,6 +204,11 @@ options_imp::options_imp(QWidget *parent):QDialog(parent){
   connect(checkStartPaused, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(checkScanDir, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(textScanDir, SIGNAL(textChanged(QString)), this, SLOT(enableApplyButton()));
+  connect(checkExportDir, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
+  connect(textExportDir, SIGNAL(textChanged(QString)), this, SLOT(enableApplyButton()));
+  connect(actionTorrentDlOnDblClBox, SIGNAL(currentIndexChanged(int)), this, SLOT(enableApplyButton()));
+  connect(actionTorrentFnOnDblClBox, SIGNAL(currentIndexChanged(int)), this, SLOT(enableApplyButton()));
+  connect(checkTempFolder, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   // Connection tab
   connect(spinPort, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(checkUPnP, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
@@ -394,6 +397,7 @@ void options_imp::saveOptions(){
   settings.setValue(QString::fromUtf8("AdditionDialog"), useAdditionDialog());
   settings.setValue(QString::fromUtf8("StartInPause"), addTorrentsInPause());
   settings.setValue(QString::fromUtf8("ScanDir"), getScanDir());
+  Preferences::setExportDir(getExportDir());
   settings.setValue(QString::fromUtf8("DblClOnTorDl"), getActionOnDblClOnTorrentDl());
   settings.setValue(QString::fromUtf8("DblClOnTorFn"), getActionOnDblClOnTorrentFn());
   // End Downloads preferences
@@ -627,6 +631,19 @@ void options_imp::loadOptions(){
     textScanDir->setText(strValue);
     enableDirScan(checkScanDir->isChecked());
   }
+
+  strValue = Preferences::getExportDir();
+  if(strValue.isEmpty()) {
+    // Disable
+    checkExportDir->setChecked(false);
+    enableTorrentExport(checkExportDir->isChecked());
+  } else {
+    // enable
+    checkExportDir->setChecked(true);
+    textExportDir->setText(strValue);
+    enableTorrentExport(checkExportDir->isChecked());
+  }
+
   intValue = Preferences::getActionOnDblClOnTorrentDl();
   if(intValue >= actionTorrentDlOnDblClBox->count())
     intValue = 0;
@@ -1267,6 +1284,11 @@ void options_imp::enableDirScan(bool checked){
   browseScanDirButton->setEnabled(checked);
 }
 
+void options_imp::enableTorrentExport(bool checked) {
+  textExportDir->setEnabled(checked);
+  browseExportDirButton->setEnabled(checked);
+}
+
 bool options_imp::isSlashScreenDisabled() const {
   return checkNoSplash->isChecked();
 }
@@ -1365,6 +1387,14 @@ QString options_imp::getScanDir() const {
   }
 }
 
+QString options_imp::getExportDir() const {
+  if(checkExportDir->isChecked()){
+    return misc::expandPath(textExportDir->text());
+  }else{
+    return QString::null;
+  }
+}
+
 // Return action on double-click on a downloading torrent set in options
 int options_imp::getActionOnDblClOnTorrentDl() const {
   if(actionTorrentDlOnDblClBox->currentIndex()<1)

src/options_imp.h

@@ -83,6 +83,7 @@ protected:
   bool addTorrentsInPause() const;
   bool isDirScanEnabled() const;
   QString getScanDir() const;
+  QString getExportDir() const;
   int getActionOnDblClOnTorrentDl() const;
   int getActionOnDblClOnTorrentFn() const;
   // Connection options
@@ -135,6 +136,7 @@ protected slots:
   void enableDownloadLimit(bool checked);
   void enableTempPathInput(bool checked);
   void enableDirScan(bool checked);
+  void enableTorrentExport(bool checked);
   void enablePeerProxy(int comboIndex);
   void enablePeerProxyAuth(bool checked);
   void enableHTTPProxy(int comboIndex);

src/preferences.h

@@ -214,6 +214,24 @@ public:
     settings.setValue(QString::fromUtf8("Preferences/Downloads/ScanDir"), path);
   }
 
+  static bool isTorrentExportEnabled() {
+    QSettings settings("qBittorrent", "qBittorrent");
+    return !settings.value(QString::fromUtf8("Preferences/Downloads/TorrentExport"), QString()).toString().isEmpty();
+  }
+
+  static QString getExportDir() {
+    QSettings settings("qBittorrent", "qBittorrent");
+    return settings.value(QString::fromUtf8("Preferences/Downloads/TorrentExport"), QString()).toString();
+  }
+
+  static void setExportDir(QString path) {
+    path = path.trimmed();
+    if(path.isEmpty())
+      path = QString();
+    QSettings settings("qBittorrent", "qBittorrent");
+    settings.setValue(QString::fromUtf8("Preferences/Downloads/TorrentExport"), path);
+  }
+
   static int getActionOnDblClOnTorrentDl() {
     QSettings settings("qBittorrent", "qBittorrent");
     return settings.value(QString::fromUtf8("Preferences/Downloads/DblClOnTorDl"), 0).toInt();

src/transferlistwidget.cpp

@@ -581,7 +581,10 @@ void TransferListWidget::torrentDoubleClicked(QModelIndex index) {
     }
     break;
   case OPEN_DEST:
-    QDesktopServices::openUrl("file://" + h.root_path());
+    if(h.has_metadata())
+      QDesktopServices::openUrl("file://" + h.root_path());
+    else
+      QDesktopServices::openUrl("file://" + h.save_path());
     break;
   }
 }

src/ui/options.ui

@@ -629,7 +629,7 @@ QGroupBox {
               <x>0</x>
               <y>0</y>
               <width>644</width>
-              <height>504</height>
+              <height>583</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_17">
@@ -645,9 +645,6 @@ QGroupBox {
                 <string>File system</string>
                </property>
                <layout class="QVBoxLayout" name="verticalLayout_12">
-                <property name="spacing">
-                 <number>3</number>
-                </property>
                 <item>
                  <widget class="QGroupBox" name="groupBox_3">
                   <property name="styleSheet">
@@ -811,6 +808,52 @@ QGroupBox {
                   </item>
                  </layout>
                 </item>
+                <item>
+                 <widget class="QCheckBox" name="checkExportDir">
+                  <property name="text">
+                   <string>Copy .torrent files to:</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <layout class="QHBoxLayout" name="horizontalLayout_15">
+                  <item>
+                   <widget class="QLineEdit" name="textExportDir">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="styleSheet">
+                     <string>QLineEdit {
+  margin-left: 23px;
+}</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QToolButton" name="browseExportDirButton">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="minimumSize">
+                     <size>
+                      <width>22</width>
+                      <height>22</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>25</width>
+                      <height>27</height>
+                     </size>
+                    </property>
+                    <property name="icon">
+                     <iconset resource="../icons.qrc">
+                      <normaloff>:/Icons/oxygen/browse.png</normaloff>:/Icons/oxygen/browse.png</iconset>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </item>
                 <item>
                  <widget class="QCheckBox" name="checkAppendqB">
                   <property name="text">
@@ -1393,8 +1436,8 @@ QGroupBox {
              <rect>
               <x>0</x>
               <y>0</y>
-              <width>620</width>
-              <height>490</height>
+              <width>366</width>
+              <height>332</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_33">
@@ -1798,8 +1841,8 @@ QGroupBox {
              <rect>
               <x>0</x>
               <y>0</y>
-              <width>620</width>
-              <height>490</height>
+              <width>466</width>
+              <height>415</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_20">
@@ -2746,8 +2789,8 @@ QGroupBox {
              <rect>
               <x>0</x>
               <y>0</y>
-              <width>219</width>
-              <height>221</height>
+              <width>620</width>
+              <height>490</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_23">