Allow to enter only info-hashes in the download dialog.

src/downloadfromurldlg.h

@@ -50,9 +50,27 @@ class downloadFromURL : public QDialog, private Ui::downloadFromURL{
       show();
       // Paste clipboard if there is an URL in it
       QString clip_txt = qApp->clipboard()->text();
-      if (clip_txt.startsWith("http://", Qt::CaseInsensitive) || clip_txt.startsWith("https://", Qt::CaseInsensitive) || clip_txt.startsWith("ftp://", Qt::CaseInsensitive) || clip_txt.startsWith("magnet:", Qt::CaseInsensitive) || clip_txt.startsWith("bc://bt/", Qt::CaseInsensitive)) {
-        textUrls->setText(clip_txt);
+      QStringList clip_txt_list = clip_txt.split(QString::fromUtf8("\n"));
+      clip_txt.clear();
+      QStringList clip_txt_list_cleaned;
+      foreach (clip_txt, clip_txt_list) {
+        clip_txt = clip_txt.trimmed();
+        if (!clip_txt.isEmpty()) {
+          if (clip_txt_list_cleaned.indexOf(QRegExp(clip_txt, Qt::CaseInsensitive, QRegExp::FixedString)) < 0) {
+            if (clip_txt.startsWith("http://", Qt::CaseInsensitive)
+                || clip_txt.startsWith("https://", Qt::CaseInsensitive)
+                || clip_txt.startsWith("ftp://", Qt::CaseInsensitive)
+                || clip_txt.startsWith("magnet:", Qt::CaseInsensitive)
+                || clip_txt.startsWith("bc://bt/", Qt::CaseInsensitive)
+                || (clip_txt.size() == 40 && !clip_txt.contains(QRegExp("[^0-9A-Fa-f]")))
+                || (clip_txt.size() == 32 && !clip_txt.contains(QRegExp("[^2-7A-Za-z]")))) {
+              clip_txt_list_cleaned << clip_txt;
+            }
+          }
+        }
       }
+      if (clip_txt_list_cleaned.size() > 0)
+        textUrls->setText(clip_txt_list_cleaned.join("\n"));
     }
 
     ~downloadFromURL() {}

src/downloadfromurldlg.ui

@@ -52,7 +52,7 @@
       </font>
      </property>
      <property name="text">
-      <string>Both HTTP and Magnet links are supported</string>
+      <string>One per line HTTP links, Magnet links and info-hashes are supported</string>
      </property>
     </widget>
    </item>

src/mainwindow.cpp

@@ -1182,13 +1182,20 @@ void MainWindow::downloadFromURLList(const QStringList& url_list) {
       qDebug("Converting bc link to magnet link");
       url = misc::bcLinkToMagnet(url);
     }
+    if ((url.size() == 40 && !url.contains(QRegExp("[^0-9A-Fa-f]")))
+        || (url.size() == 32 && !url.contains(QRegExp("[^2-7A-Za-z]")))) {
+      url = "magnet:?xt=urn:btih:" + url;
+    }
     if (url.startsWith("magnet:", Qt::CaseInsensitive)) {
       if (useTorrentAdditionDialog)
         AddNewTorrentDialog::showMagnet(url);
       else
         QBtSession::instance()->addMagnetUri(url);
-    } else
+    }
+    else if (url.startsWith("http://", Qt::CaseInsensitive) || startsWith("https://", Qt::CaseInsensitive)
+             || url.startsWith("ftp://", Qt::CaseInsensitive)) {
       QBtSession::instance()->downloadFromUrl(url);
+    }
   }
 }