Fix #7100 by catching the exception on opening invalid UDF images

When an invalid UDF image is opened by the UdfReader, it may throw
and exception. This change is to catch and log the exception.

1 files changed, 21 insertions, 10 deletions

diff --git a/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs b/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
index 9222a9479..3d6b9f3b6 100644
--- a/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
@@ -12,6 +12,7 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
+using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Library.Resolvers
 {
@@ -22,8 +23,11 @@ namespace Emby.Server.Implementations.Library.Resolvers
     public abstract class BaseVideoResolver<T> : MediaBrowser.Controller.Resolvers.ItemResolver<T>
         where T : Video, new()
     {
-        protected BaseVideoResolver(NamingOptions namingOptions)
+        private readonly ILogger _logger;
+
+        protected BaseVideoResolver(ILogger logger, NamingOptions namingOptions)
         {
+            _logger = logger;
             NamingOptions = namingOptions;
         }
 
@@ -156,19 +160,26 @@ namespace Emby.Server.Implementations.Library.Resolvers
                 }
                 else
                 {
-                    // use disc-utils, both DVDs and BDs use UDF filesystem
-                    using (var videoFileStream = File.Open(video.Path, FileMode.Open, FileAccess.Read))
-                    using (UdfReader udfReader = new UdfReader(videoFileStream))
+                    try
                     {
-                        if (udfReader.DirectoryExists("VIDEO_TS"))
-                        {
-                            video.IsoType = IsoType.Dvd;
-                        }
-                        else if (udfReader.DirectoryExists("BDMV"))
+                        // use disc-utils, both DVDs and BDs use UDF filesystem
+                        using (var videoFileStream = File.Open(video.Path, FileMode.Open, FileAccess.Read))
+                        using (UdfReader udfReader = new UdfReader(videoFileStream))
                         {
-                            video.IsoType = IsoType.BluRay;
+                            if (udfReader.DirectoryExists("VIDEO_TS"))
+                            {
+                                video.IsoType = IsoType.Dvd;
+                            }
+                            else if (udfReader.DirectoryExists("BDMV"))
+                            {
+                                video.IsoType = IsoType.BluRay;
+                            }
                         }
                     }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Error opening UDF/ISO image: {Value}", video.Path ?? video.Name);
+                    }
                 }
             }
         }