Fixed: (TorrentIndexerBase) Validate downloaded torrent data

src/NzbDrone.Core/Download/DownloadService.cs

@@ -155,7 +155,9 @@ namespace NzbDrone.Core.Download
                 throw;
             }
 
+            _logger.Trace("Downloaded {0} bytes from {1}", downloadedBytes.Length, link);
             _eventAggregator.PublishEvent(new IndexerDownloadEvent(indexerId, success, source, host, title, url.AbsoluteUri));
+
             return downloadedBytes;
         }
 

src/NzbDrone.Core/Indexers/Definitions/Cardigann/Cardigann.cs

@@ -189,6 +189,7 @@ namespace NzbDrone.Core.Indexers.Cardigann
             if (request.Url.Scheme == "magnet")
             {
                 ValidateMagnet(request.Url.FullUri);
+
                 return Encoding.UTF8.GetBytes(request.Url.FullUri);
             }
 
@@ -233,6 +234,8 @@ namespace NzbDrone.Core.Indexers.Cardigann
                 throw;
             }
 
+            ValidateTorrent(downloadBytes);
+
             return downloadBytes;
         }
 

src/NzbDrone.Core/Indexers/Definitions/Orpheus.cs

@@ -112,6 +112,8 @@ namespace NzbDrone.Core.Indexers.Definitions
                 _logger.Error("Download failed");
             }
 
+            ValidateTorrent(downloadBytes);
+
             return downloadBytes;
         }
     }

src/NzbDrone.Core/Indexers/Definitions/Redacted.cs

@@ -94,6 +94,8 @@ namespace NzbDrone.Core.Indexers.Definitions
                 _logger.Error("Download failed");
             }
 
+            ValidateTorrent(downloadBytes);
+
             return downloadBytes;
         }
     }

src/NzbDrone.Core/Indexers/Definitions/SpeedApp/SpeedAppBase.cs

@@ -111,6 +111,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (link.Scheme == "magnet")
             {
                 ValidateMagnet(link.OriginalString);
+
                 return Encoding.UTF8.GetBytes(link.OriginalString);
             }
 
@@ -164,6 +165,8 @@ namespace NzbDrone.Core.Indexers.Definitions
                 throw;
             }
 
+            ValidateTorrent(torrentData);
+
             return torrentData;
         }
 

src/NzbDrone.Core/Indexers/TorrentIndexerBase.cs

@@ -26,6 +26,7 @@ namespace NzbDrone.Core.Indexers
             if (link.Scheme == "magnet")
             {
                 ValidateMagnet(link.OriginalString);
+
                 return Encoding.UTF8.GetBytes(link.OriginalString);
             }
 
@@ -78,6 +79,8 @@ namespace NzbDrone.Core.Indexers
                 throw;
             }
 
+            ValidateTorrent(torrentData);
+
             return torrentData;
         }
 
@@ -85,5 +88,18 @@ namespace NzbDrone.Core.Indexers
         {
             MagnetLink.Parse(link);
         }
+
+        protected void ValidateTorrent(byte[] torrentData)
+        {
+            try
+            {
+                Torrent.Load(torrentData);
+            }
+            catch
+            {
+                _logger.Trace("Invalid torrent file contents: {0}", Encoding.ASCII.GetString(torrentData));
+                throw;
+            }
+        }
     }
 }