[CHANGE] Reworked cipher stuff

Manager.YouTube/Models/Innertube/StreamingData.cs

@@ -1,4 +1,5 @@
 using System.Text.Json.Serialization;
+using Manager.YouTube.Util.Converters;
 
 namespace Manager.YouTube.Models.Innertube;
 
@@ -8,6 +9,7 @@ public class StreamingData
     [JsonPropertyName("expiresInSeconds")]
     public int ExpiresInSeconds { get; set; }
     [JsonPropertyName("serverAbrStreamingUrl")]
+    [JsonConverter(typeof(JsonUrlEscapeConverter))]
     public string ServerAbrStreamingUrl { get; set; } = "";
     [JsonPropertyName("formats")]
     public List<StreamingFormat> Formats { get; set; } = [];

Manager.YouTube/Util/Cipher/CipherDecoder.cs

@@ -112,7 +112,7 @@ public partial class CipherDecoder
     }
 
     
-    [GeneratedRegex(@"(\w+)=function\(\w+\){(\w+)=\2\.split\(\x22{2}\);.*?return\s+\2\.join\(\x22{2}\)}")]
+    [GeneratedRegex(@"([A-Za-z_$][A-Za-z0-9_$]*)=function\([A-Za-z_$][A-Za-z0-9_$]*\)\{\s*([A-Za-z_$][A-Za-z0-9_$]*)=\2\.split\(\x22\x22\);[\s\S]*?return\s+\2\.join\(\x22\x22\)\s*\}")]
     private static partial Regex FunctionBodyRegex();
     [GeneratedRegex("([\\$_\\w]+).\\w+\\(\\w+,\\d+\\);")]
     private static partial Regex DefinitionBodyRegex();

Manager.YouTube/Util/Converters/JsonUrlEscapeConverter.cs

@@ -0,0 +1,27 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Text.RegularExpressions;
+
+namespace Manager.YouTube.Util.Converters;
+
+public partial class JsonUrlEscapeConverter : JsonConverter<string>
+{
+    public override string? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        var url = reader.GetString();
+        if (string.IsNullOrWhiteSpace(url))
+        {
+            return url;
+        }
+
+        return UrlPatternRegex().IsMatch(url) ? Uri.UnescapeDataString(url) : url;
+    }
+
+    public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value);
+    }
+
+    [GeneratedRegex("^(https?|ftp)://", RegexOptions.IgnoreCase | RegexOptions.Compiled, "nl-NL")]
+    private static partial Regex UrlPatternRegex();
+}