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authorTim Eisele <Ghost_of_Stone@web.de>2026-05-12 18:12:54 +0200
committerGitHub <noreply@github.com>2026-05-12 18:12:54 +0200
commita9865367d8aec1bd323680a3440427dfaac2a89b (patch)
tree20298346d9c6ddd43c83f7d4f5463a822f71ce15 /MediaBrowser.Controller
parentc169184e019d224a60fcbb9125b05de607f42799 (diff)
Safeguard against invalid GUIDs (#16813)
Safeguard against invalid GUIDs
Diffstat (limited to 'MediaBrowser.Controller')
-rw-r--r--MediaBrowser.Controller/IO/IPathManager.cs16
-rw-r--r--MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs10
2 files changed, 14 insertions, 12 deletions
diff --git a/MediaBrowser.Controller/IO/IPathManager.cs b/MediaBrowser.Controller/IO/IPathManager.cs
index eb67437545..30961c7610 100644
--- a/MediaBrowser.Controller/IO/IPathManager.cs
+++ b/MediaBrowser.Controller/IO/IPathManager.cs
@@ -22,30 +22,30 @@ public interface IPathManager
/// <param name="mediaSourceId">The media source id.</param>
/// <param name="streamIndex">The stream index.</param>
/// <param name="extension">The subtitle file extension.</param>
- /// <returns>The absolute path.</returns>
- public string GetSubtitlePath(string mediaSourceId, int streamIndex, string extension);
+ /// <returns>The absolute path, or <c>null</c> if <paramref name="mediaSourceId"/> is not a valid GUID.</returns>
+ public string? GetSubtitlePath(string mediaSourceId, int streamIndex, string extension);
/// <summary>
/// Gets the path to the subtitle file.
/// </summary>
/// <param name="mediaSourceId">The media source id.</param>
- /// <returns>The absolute path.</returns>
- public string GetSubtitleFolderPath(string mediaSourceId);
+ /// <returns>The absolute path, or <c>null</c> if <paramref name="mediaSourceId"/> is not a valid GUID.</returns>
+ public string? GetSubtitleFolderPath(string mediaSourceId);
/// <summary>
/// Gets the path to the attachment file.
/// </summary>
/// <param name="mediaSourceId">The media source id.</param>
/// <param name="fileName">The attachmentFileName index.</param>
- /// <returns>The absolute path.</returns>
- public string GetAttachmentPath(string mediaSourceId, string fileName);
+ /// <returns>The absolute path, or <c>null</c> if <paramref name="mediaSourceId"/> is not a valid GUID.</returns>
+ public string? GetAttachmentPath(string mediaSourceId, string fileName);
/// <summary>
/// Gets the path to the attachment folder.
/// </summary>
/// <param name="mediaSourceId">The media source id.</param>
- /// <returns>The absolute path.</returns>
- public string GetAttachmentFolderPath(string mediaSourceId);
+ /// <returns>The absolute path, or <c>null</c> if <paramref name="mediaSourceId"/> is not a valid GUID.</returns>
+ public string? GetAttachmentFolderPath(string mediaSourceId);
/// <summary>
/// Gets the chapter images data path.
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 04b13a6f3c..0eeb9e632c 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -1880,10 +1880,12 @@ namespace MediaBrowser.Controller.MediaEncoding
var sub2videoParam = enableSub2video ? ":sub2video=1" : string.Empty;
var fontPath = _pathManager.GetAttachmentFolderPath(state.MediaSource.Id);
- var fontParam = string.Format(
- CultureInfo.InvariantCulture,
- ":fontsdir='{0}'",
- _mediaEncoder.EscapeSubtitleFilterPath(fontPath));
+ var fontParam = fontPath is null
+ ? string.Empty
+ : string.Format(
+ CultureInfo.InvariantCulture,
+ ":fontsdir='{0}'",
+ _mediaEncoder.EscapeSubtitleFilterPath(fontPath));
if (state.SubtitleStream.IsExternal)
{