Sanitize CustomTagDelimiters server side

The API requires an array type and does not support runtime generated default value. Use server side helper function to sanitize it into char.

MediaBrowser.Model/Configuration/LibraryOptions.cs

@@ -2,12 +2,13 @@
 
 using System;
 using System.ComponentModel;
+using System.Linq;
 
 namespace MediaBrowser.Model.Configuration
 {
     public class LibraryOptions
     {
-        private static readonly char[] _defaultTagDelimiters = ['/', '|', ';', '\\'];
+        private static readonly string[] _defaultTagDelimiters = ["/", "|", ";", "\\"];
 
         public LibraryOptions()
         {
@@ -126,8 +127,7 @@ namespace MediaBrowser.Model.Configuration
         [DefaultValue(false)]
         public bool UseCustomTagDelimiters { get; set; }
 
-        [DefaultValue(typeof(LibraryOptions), nameof(_defaultTagDelimiters))]
-        public char[] CustomTagDelimiters { get; set; }
+        public string[] CustomTagDelimiters { get; set; }
 
         public string[] DelimiterWhitelist { get; set; }
 
@@ -149,5 +149,19 @@ namespace MediaBrowser.Model.Configuration
 
             return null;
         }
+
+        public char[] GetCustomTagDelimiters()
+        {
+            return CustomTagDelimiters.Select<string, char?>(x =>
+            {
+                var isChar = char.TryParse(x, out var c);
+                if (isChar)
+                {
+                    return c;
+                }
+
+                return null;
+            }).Where(x => x is not null).Select(x => x!.Value).ToArray();
+        }
     }
 }

MediaBrowser.Providers/MediaInfo/AudioFileProber.cs

@@ -178,7 +178,7 @@ namespace MediaBrowser.Providers.MediaInfo
 
                 if (libraryOptions.UseCustomTagDelimiters)
                 {
-                    albumArtists = albumArtists.SelectMany(a => SplitWithCustomDelimiter(a, libraryOptions.CustomTagDelimiters, libraryOptions.DelimiterWhitelist)).ToArray();
+                    albumArtists = albumArtists.SelectMany(a => SplitWithCustomDelimiter(a, libraryOptions.GetCustomTagDelimiters(), libraryOptions.DelimiterWhitelist)).ToArray();
                 }
 
                 foreach (var albumArtist in albumArtists)
@@ -210,7 +210,7 @@ namespace MediaBrowser.Providers.MediaInfo
 
                 if (libraryOptions.UseCustomTagDelimiters)
                 {
-                    performers = performers.SelectMany(p => SplitWithCustomDelimiter(p, libraryOptions.CustomTagDelimiters, libraryOptions.DelimiterWhitelist)).ToArray();
+                    performers = performers.SelectMany(p => SplitWithCustomDelimiter(p, libraryOptions.GetCustomTagDelimiters(), libraryOptions.DelimiterWhitelist)).ToArray();
                 }
 
                 foreach (var performer in performers)
@@ -313,7 +313,7 @@ namespace MediaBrowser.Providers.MediaInfo
 
                 if (libraryOptions.UseCustomTagDelimiters)
                 {
-                    genres = genres.SelectMany(g => SplitWithCustomDelimiter(g, libraryOptions.CustomTagDelimiters, libraryOptions.DelimiterWhitelist)).ToArray();
+                    genres = genres.SelectMany(g => SplitWithCustomDelimiter(g, libraryOptions.GetCustomTagDelimiters(), libraryOptions.DelimiterWhitelist)).ToArray();
                 }
 
                 audio.Genres = options.ReplaceAllMetadata || audio.Genres is null || audio.Genres.Length == 0