[CHANGE] Adding playlist functionality

Manager.App/Components/Application/Dev/CipherDev.razor

@@ -0,0 +1,13 @@
+@using Manager.App.Models.System
+@using Manager.App.Services.System
+
+@inject ISnackbar Snackbar
+@inject ClientService ClientService
+
+<MudText>Cipher manager</MudText>
+<MudStack Row Spacing="2">
+    <MudAutocomplete T="YouTubeClientItem" Label="Client" @bind-Value="@_selectedClient" SearchFunc="SearchClientsAsync" ToStringFunc="@(i => i == null ? "null?" : $"{i.Name} ({i.Handle})")"
+                     Variant="Variant.Outlined" ShowProgressIndicator ProgressIndicatorColor="Color.Primary">
+    </MudAutocomplete>
+    <MudButton OnClick="ExecCipher">Exec</MudButton>
+</MudStack>

Manager.App/Components/Application/Dev/CipherDev.razor.cs

@@ -0,0 +1,43 @@
+using Manager.App.Models.System;
+using Manager.YouTube.Util.Cipher;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Web;
+using MudBlazor;
+
+namespace Manager.App.Components.Application.Dev;
+
+public partial class CipherDev : ComponentBase
+{
+    private YouTubeClientItem? _selectedClient;
+    
+    private async Task ExecCipher(MouseEventArgs obj)
+    {
+        if (_selectedClient == null)
+        {
+            Snackbar.Add("No client selected", Severity.Warning);
+            return;
+        }
+
+        var ytClientResult = await ClientService.LoadClientByIdAsync(_selectedClient.Id);
+        if (!ytClientResult.IsSuccess)
+        {
+            Snackbar.Add(ytClientResult.Error?.Description ?? "Failed to get the client!", Severity.Error);
+            return;
+        }
+
+        var ytClient = ytClientResult.Value;
+        if (ytClient.State == null)
+        {
+            Snackbar.Add("Client state is null!", Severity.Warning);
+            return;
+        }
+
+        var decoder = await CipherManager.GetDecoderAsync(ytClient.State, ytClient);
+    }
+    
+    private async Task<IEnumerable<YouTubeClientItem>> SearchClientsAsync(string? search, CancellationToken cancellationToken)
+    {
+        var searchResults = await ClientService.GetClientsAsync(search, cancellationToken: cancellationToken);
+        return !searchResults.IsSuccess ? [] : searchResults.Value;
+    }
+}

Manager.App/Components/Application/Dev/DevelopmentVideo.razor

@@ -3,14 +3,15 @@
 
 @inject ISnackbar Snackbar
 @inject ClientService ClientService
+@inject NavigationManager NavigationManager
 
 <MudText>Video data</MudText>
-<MudStack Spacing="2">
+<MudStack Row Spacing="2">
     <MudAutocomplete T="YouTubeClientItem" Label="Client" @bind-Value="@_selectedClient" SearchFunc="SearchClientsAsync" ToStringFunc="@(i => i == null ? "null?" : $"{i.Name} ({i.Handle})")"
                      Variant="Variant.Outlined" ShowProgressIndicator ProgressIndicatorColor="Color.Primary">
     </MudAutocomplete>
     <MudTextField Label="Video id" @bind-Value="@_videoId"/>
 </MudStack>
 <MudStack>
-    <MudButton OnClick="GetDataAsync">Get data</MudButton>
+    <MudButton OnClick="NavigateToVideo">Get data</MudButton>
 </MudStack>

Manager.App/Components/Application/Dev/DevelopmentVideo.razor.cs

@@ -16,7 +16,7 @@ public partial class DevelopmentVideo : ComponentBase
         return !searchResults.IsSuccess ? [] : searchResults.Value;
     }
     
-    private async Task GetDataAsync(MouseEventArgs obj)
+    private void NavigateToVideo(MouseEventArgs obj)
     {
         if (_selectedClient == null)
         {
@@ -35,22 +35,6 @@ public partial class DevelopmentVideo : ComponentBase
             Snackbar.Add("Video ID needs to have an length of 11 chars!", Severity.Warning);
         }
 
-        var clientResult = await ClientService.LoadClientByIdAsync(_selectedClient.Id);
-        if (!clientResult.IsSuccess)
-        {
-            Snackbar.Add(clientResult.Error?.Description ?? $"Failed to get client with id: {_selectedClient.Id}", Severity.Error);
-            return;
-        }
-
-        var ytClient = clientResult.Value;
-        var videoResult = await ytClient.GetVideoByIdAsync(_videoId);
-        if (!videoResult.IsSuccess)
-        {
-            Snackbar.Add(videoResult.Error?.Description ?? $"Failed to load video: {_videoId}", Severity.Error);
-            return;
-        }
-
-        var ytVideo = videoResult.Value;
-        Snackbar.Add($"Loaded video {ytVideo.Title}", Severity.Success);
+        NavigationManager.NavigateTo($"/video/{_videoId}?clientId={_selectedClient.Id}");
     }
 }

Manager.App/Components/Pages/Development.razor

@@ -9,4 +9,7 @@
     <MudTabPanel Text="Video">
         <DevelopmentVideo />
     </MudTabPanel>
+    <MudTabPanel Text="Cipher">
+        <CipherDev />
+    </MudTabPanel>
 </MudTabs>

Manager.App/Components/Pages/Video.razor

@@ -0,0 +1,244 @@
+@page "/Video/{VideoId}"
+@using Manager.App.Services.System
+
+@inject ISnackbar Snackbar
+@inject ClientService ClientService
+@inject CacheService Cache
+
+<ForcedLoadingOverlay Visible="_loading"/>
+@if (!_loading && _video != null)
+{
+    <MudStack Spacing="2">
+        <MudCard>
+            @{
+                var thumbnailUrl = _video.Thumbnails.OrderByDescending(t => t.Width).FirstOrDefault()?.Url;
+            }
+            @if (!string.IsNullOrWhiteSpace(thumbnailUrl))
+            {
+                <MudCardMedia Image="@Cache.CreateCacheUrl(thumbnailUrl)" Height="500"/>
+            }
+            <MudCardContent>
+                <MudText Typo="Typo.h5">@_video.Title</MudText>
+                <MudText Typo="Typo.body2">@_video.Description</MudText>
+            </MudCardContent>
+        </MudCard>
+        <MudExpansionPanels MultiExpansion>
+            <MudExpansionPanel Text="Info" Expanded>
+                <MudStack Spacing="2" Row Wrap="Wrap.Wrap">
+                    @* Info *@
+                    <MudSimpleTable Bordered Dense Elevation="0" Outlined Square Hover>
+                        <tbody>
+                        <tr>
+                            <td>Video ID:</td>
+                            <td>@_video.VideoId</td>
+                        </tr>
+                        <tr>
+                            <td>Title:</td>
+                            <td>@_video.Title</td>
+                        </tr>
+                        <tr>
+                            <td>Description:</td>
+                            <td>@_video.Description</td>
+                        </tr>
+                        <tr>
+                            <td>HashTags:</td>
+                            <td>@foreach (var hashtag in _video.HashTags)
+                                {
+                                    <MudChip T="string" Variant="Variant.Text" Color="Color.Info">@hashtag</MudChip>
+                                }
+                            </td>
+                        </tr>
+                        <tr>
+                            <td>View count:</td>
+                            <td>@_video.ViewCount</td>
+                        </tr>
+                        <tr>
+                            <td>Like count:</td>
+                            <td>@_video.LikeCount</td>
+                        </tr>
+                        <tr>
+                            <td>Channel ID:</td>
+                            <td>@_video.ChannelId</td>
+                        </tr>
+                        <tr>
+                            <td>Author:</td>
+                            <td>@_video.Author</td>
+                        </tr>
+                        <tr>
+                            <td>Playability status:</td>
+                            <td>@_video.PlayabilityStatus</td>
+                        </tr>
+                        <tr>
+                            <td>Length seconds:</td>
+                            <td>@_video.LengthSeconds</td>
+                        </tr>
+                        <tr>
+                            <td>Keywords:</td>
+                            <td>@foreach (var keyword in _video.Keywords)
+                                {
+                                    <MudChip T="string" Variant="Variant.Text">@keyword</MudChip>
+                                }
+                            </td>
+                        </tr>
+                        <tr>
+                            <td>Publish date:</td>
+                            <td>@_video.PublishDate</td>
+                        </tr>
+                        <tr>
+                            <td>Upload date:</td>
+                            <td>@_video.UploadDate</td>
+                        </tr>
+                        <tr>
+                            <td>Category:</td>
+                            <td>@_video.Category</td>
+                        </tr>
+                        </tbody>
+                    </MudSimpleTable>
+                    @* Boolean values *@
+                    <MudSimpleTable Bordered Dense Elevation="0" Outlined Square Hover>
+                        <tbody>
+                        <tr>
+                            <td>Is owner viewing:</td>
+                            <td>@_video.IsOwnerViewing</td>
+                        </tr>
+                        <tr>
+                            <td>Allow rating:</td>
+                            <td>@_video.AllowRating</td>
+                        </tr>
+                        <tr>
+                            <td>Is crawlable:</td>
+                            <td>@_video.IsCrawlable</td>
+                        </tr>
+                        <tr>
+                            <td>Is private:</td>
+                            <td>@_video.IsPrivate</td>
+                        </tr>
+                        <tr>
+                            <td>Is unplugged corpus:</td>
+                            <td>@_video.IsUnpluggedCorpus</td>
+                        </tr>
+                        <tr>
+                            <td>Is live:</td>
+                            <td>@_video.IsLive</td>
+                        </tr>
+                        <tr>
+                            <td>Is family save:</td>
+                            <td>@_video.IsFamilySave</td>
+                        </tr>
+                        <tr>
+                            <td>Is unlisted:</td>
+                            <td>@_video.IsUnlisted</td>
+                        </tr>
+                        <tr>
+                            <td>Has Ypc metadata:</td>
+                            <td>@_video.HasYpcMetadata</td>
+                        </tr>
+                        <tr>
+                            <td>Is shorts eligible:</td>
+                            <td>@_video.IsShortsEligible</td>
+                        </tr>
+                        </tbody>
+                    </MudSimpleTable>
+                </MudStack>
+            </MudExpansionPanel>
+            <MudExpansionPanel Text="Streaming data">
+                @if (_video.StreamingData == null)
+                {
+                    <MudAlert Severity="Severity.Info">No streaming data available!</MudAlert>
+                }
+                else
+                {
+                    <MudStack Spacing="2" Row Wrap="Wrap.Wrap">
+                        <MudStack>
+                            <MudText Typo="Typo.h5">Adaptive Formats</MudText>
+                            <MudTable Items="@_video.StreamingData.AdaptiveFormats">
+                                <HeaderContent>
+                                    <MudTh>Id</MudTh>
+                                    <MudTh>Mime type</MudTh>
+                                    <MudTh>Bitrate</MudTh>
+                                    <MudTh>Resolution</MudTh>
+                                    <MudTh>Last modified (UNIX epoch)</MudTh>
+                                    <MudTh>Quality</MudTh>
+                                    <MudTh>FPS</MudTh>
+                                </HeaderContent>
+                                <RowTemplate>
+                                    <MudTd>@context.Itag</MudTd>
+                                    <MudTd>@context.MimeType</MudTd>
+                                    <MudTd>@context.Bitrate</MudTd>
+                                    <MudTd>@($"{context.Width}x{context.Height}")</MudTd>
+                                    <MudTd>@context.LastModified</MudTd>
+                                    <MudTd>@context.Quality</MudTd>
+                                    <MudTd>@context.Fps</MudTd>
+                                </RowTemplate>
+                            </MudTable>
+                        </MudStack>
+                        <MudStack>
+                            <MudText Typo="Typo.h5">Formats</MudText>
+                            <MudTable Items="@_video.StreamingData.Formats">
+                                <HeaderContent>
+                                    <MudTh>Id</MudTh>
+                                    <MudTh>Mime type</MudTh>
+                                    <MudTh>Bitrate</MudTh>
+                                    <MudTh>Resolution</MudTh>
+                                    <MudTh>Last modified (UNIX epoch)</MudTh>
+                                    <MudTh>Quality</MudTh>
+                                    <MudTh>FPS</MudTh>
+                                </HeaderContent>
+                                <RowTemplate>
+                                    <MudTd>@context.Itag</MudTd>
+                                    <MudTd>@context.MimeType</MudTd>
+                                    <MudTd>@context.Bitrate</MudTd>
+                                    <MudTd>@($"{context.Width}x{context.Height}")</MudTd>
+                                    <MudTd>@context.LastModified</MudTd>
+                                    <MudTd>@context.Quality</MudTd>
+                                    <MudTd>@context.Fps</MudTd>
+                                </RowTemplate>
+                            </MudTable>
+                        </MudStack>
+                    </MudStack>
+                }
+            </MudExpansionPanel>
+            <MudExpansionPanel Text="Player config">
+                @if (_video.PlayerConfig == null)
+                {
+                    <MudAlert Severity="Severity.Info">No player config available!</MudAlert>
+                }
+                else
+                {
+                    <MudSimpleTable Bordered Dense Elevation="0" Outlined Square Hover>
+                        <tbody>
+                        <tr>
+                            <td>Audio loudness DB:</td>
+                            <td>@_video.PlayerConfig.AudioLoudnessDb</td>
+                        </tr>
+                        <tr>
+                            <td>Audio perceptual loudness DB:</td>
+                            <td>@_video.PlayerConfig.AudioPerceptualLoudnessDb</td>
+                        </tr>
+                        <tr>
+                            <td>Audio enable per format loudness:</td>
+                            <td>@_video.PlayerConfig.AudioLoudnessDb</td>
+                        </tr>
+                        <tr>
+                            <td>Max bitrate:</td>
+                            <td>@_video.PlayerConfig.MaxBitrate</td>
+                        </tr>
+                        <tr>
+                            <td>Max read ahead time MS:</td>
+                            <td>@_video.PlayerConfig.MaxReadAheadMediaTimeMs</td>
+                        </tr>
+                        <tr>
+                            <td>Min read ahead time MS:</td>
+                            <td>@_video.PlayerConfig.MinReadAheadMediaTimeMs</td>
+                        </tr>
+                        <tr>
+                            <td>Read ahead growth rate MS:</td>
+                            <td>@_video.PlayerConfig.ReadAheadGrowthRateMs</td>
+                        </tr>
+                        </tbody>
+                    </MudSimpleTable>
+                }
+            </MudExpansionPanel>
+        </MudExpansionPanels>
+    </MudStack>
+}

Manager.App/Components/Pages/Video.razor.cs

@@ -0,0 +1,48 @@
+using Manager.YouTube.Models;
+using Microsoft.AspNetCore.Components;
+using MudBlazor;
+
+namespace Manager.App.Components.Pages;
+
+public partial class Video : ComponentBase
+{
+    [Parameter]
+    public required string VideoId { get; set; }
+
+    [SupplyParameterFromQuery(Name = "clientId")]
+    public string ClientId { get; set; } = "";
+
+    private bool _loading = true;
+    private YouTubeVideo? _video;
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (string.IsNullOrEmpty(VideoId))
+        {
+            Snackbar.Add("Video id is null or empty!", Severity.Error);
+            _loading = false;
+            return;
+        }
+
+        var clientResult = await ClientService.LoadClientByIdAsync(ClientId);
+        if (!clientResult.IsSuccess)
+        {
+            Snackbar.Add(clientResult.Error?.Description ?? "Failed to load client!", Severity.Error);
+            _loading = false;
+            return;
+        }
+
+        var client = clientResult.Value;
+        
+        var videoResult = await client.GetVideoByIdAsync(VideoId);
+        if (!videoResult.IsSuccess)
+        {
+            Snackbar.Add(videoResult.Error?.Description ?? "Failed to get video.", Severity.Error);
+            _loading = false;
+            return;
+        }
+
+        _video = videoResult.Value;
+        _loading = false;
+    }
+}

Manager.App/Services/LibraryService.cs

@@ -144,9 +144,9 @@ public class LibraryService : ILibraryService
         try
         {
             await using var context = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
-            var channel = await context.Channels
+            var channel = await context.Channels.AsSplitQuery()
                 .Include(c => c.ClientAccount)
-                .ThenInclude(p => p!.HttpCookies)
+                    .ThenInclude(p => p!.HttpCookies)
                 .Include(f => f.Files)
                 .FirstOrDefaultAsync(c => c.Id == id, cancellationToken);
             

Manager.App/Services/System/ClientService.cs

@@ -31,11 +31,10 @@ public class ClientService(IServiceScopeFactory scopeFactory, ILogger<ClientServ
         }
     }
     
-    private async void CancellationRequested()
+    private void CancellationRequested()
     {
         foreach (var client in _loadedClients)
         {
-            await SaveClientAsync(client);
             client.Dispose();
         }
     }

Manager.YouTube/Interpreter/JavaScriptEngineManager.cs

@@ -0,0 +1,58 @@
+using System.Text;
+using DotBased.Monads;
+
+namespace Manager.YouTube.Interpreter;
+
+public static class JavaScriptEngineManager
+{
+    private static readonly PlayerEngineCollection Engines = [];
+    
+    public static async Task<Result<PlayerEngine>> GetPlayerEngine(string playerUrl)
+    {
+        if (string.IsNullOrEmpty(playerUrl))
+        {
+            return ResultError.Fail("player url is empty or null!");
+        }
+
+        var version = GetScriptVersion(playerUrl);
+        
+        if (Engines.TryGetValue(version, out var engine))
+        {
+            return engine;
+        }
+
+        var playerJsSourceResult = await DownloadPlayerScriptAsync(playerUrl);
+        if (!playerJsSourceResult.IsSuccess)
+        {
+            return playerJsSourceResult.Error ?? ResultError.Fail("Download player script failed!");
+        }
+
+        return new PlayerEngine(version, playerJsSourceResult.Value);
+    }
+    
+    private static string GetScriptVersion(string relativePlayerUrl)
+    {
+        var split = relativePlayerUrl.Split('/', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+        var v = split[2];
+        var lang = split[4];
+        return $"{v}-{lang}";
+    }
+
+    private static async Task<Result<string>> DownloadPlayerScriptAsync(string relativeUrl, YouTubeClient? client = null)
+    {
+        var downloadRequest = new HttpRequestMessage(HttpMethod.Get, new Uri($"{NetworkService.Origin}/{relativeUrl}"));
+        var downloadResponse = await NetworkService.DownloadBytesAsync(downloadRequest, client);
+        if (!downloadResponse.IsSuccess)
+        {
+            return downloadResponse.Error ?? ResultError.Fail($"Failed to download script from url: {relativeUrl}");
+        }
+
+        var playerJs = Encoding.UTF8.GetString(downloadResponse.Value.Data);
+        if (string.IsNullOrWhiteSpace(playerJs))
+        {
+            return ResultError.Fail("Script value is empty!");
+        }
+        
+        return playerJs;
+    }
+}

Manager.YouTube/Interpreter/PlayerEngine.cs

@@ -0,0 +1,42 @@
+using DotBased.Logging;
+using Jint;
+
+namespace Manager.YouTube.Interpreter;
+
+public class PlayerEngine
+{
+    public string Version { get; set; }
+    public Engine JsEngine { get; set; }
+    private ILogger Logger { get; set; }
+
+    public PlayerEngine(string version, string script)
+    {
+        if (string.IsNullOrEmpty(version))
+        {
+            throw new ArgumentNullException(nameof(version));
+        }
+
+        if (string.IsNullOrEmpty(script))
+        {
+            throw new ArgumentNullException(nameof(script));
+        }
+
+        Logger = LogService.RegisterLogger(typeof(PlayerEngine), version);
+        Version = version;
+        JsEngine = new Engine().Execute(script).SetValue("log", new Action<object>(obj =>
+        {
+            var logStr = obj.ToString();
+            if (string.IsNullOrEmpty(logStr))
+            {
+                return;
+            }
+            Logger.Information(logStr);
+        }));
+        
+    }
+
+    public void InitializePlayer()
+    {
+        JsEngine.Execute("createPlayer");
+    }
+}

Manager.YouTube/Interpreter/PlayerEngineCollection.cs

@@ -0,0 +1,11 @@
+using System.Collections.ObjectModel;
+
+namespace Manager.YouTube.Interpreter;
+
+public class PlayerEngineCollection : KeyedCollection<string, PlayerEngine>
+{
+    protected override string GetKeyForItem(PlayerEngine item)
+    {
+        return item.Version;
+    }
+}

Manager.YouTube/Manager.YouTube.csproj

@@ -9,6 +9,7 @@
     <ItemGroup>
       <PackageReference Include="DotBased" Version="1.0.0" />
       <PackageReference Include="HtmlAgilityPack" Version="1.12.2" />
+      <PackageReference Include="Jint" Version="4.4.1" />
     </ItemGroup>
 
 </Project>

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/Models/Playlist/PlaylistVideo.cs

@@ -0,0 +1,13 @@
+using Manager.YouTube.Models.Innertube;
+
+namespace Manager.YouTube.Models.Playlist;
+
+public class PlaylistVideo
+{
+    public required string VideoId { get; set; }
+    public List<WebImage> Thumbnails { get; set; } = [];
+    public required string Title { get; set; }
+    public required string Author { get; set; }
+    public long LengthSeconds { get; set; }
+    public bool IsPlayable { get; set; }
+}

Manager.YouTube/Models/YouTubePlaylist.cs

@@ -0,0 +1,19 @@
+using Manager.YouTube.Models.Playlist;
+
+namespace Manager.YouTube.Models;
+
+public class YouTubePlaylist
+{
+    public required string Id { get; set; }
+    public required string Title { get; set; }
+    public required string Description { get; set; }
+    public required string Owner { get; set; }
+    public required string OwnerId { get; set; }
+    public bool NoIndex { get; set; }
+    public bool Unlisted { get; set; }
+    public bool CanReorder { get; set; }
+    public bool IsEditable { get; set; }
+    public List<PlaylistVideo> Videos { get; set; } = [];
+
+    public string? ContinuationToken { 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();
+}

Manager.YouTube/YouTubeClient.cs

@@ -9,7 +9,6 @@ using Manager.YouTube.Models;
 using Manager.YouTube.Models.Innertube;
 using Manager.YouTube.Parsers;
 using Manager.YouTube.Parsers.Json;
-using Manager.YouTube.Util.Cipher;
 
 namespace Manager.YouTube;
 
@@ -114,7 +113,7 @@ public sealed class YouTubeClient : IDisposable
             return videoParseResult;
         }
         
-        await DecipherSignatures(videoParseResult.Value, state);
+        //await DecipherSignaturesAsync(videoParseResult.Value, state);
 
         return videoParseResult.Value;
     }
@@ -175,10 +174,10 @@ public sealed class YouTubeClient : IDisposable
 
     public async Task<Result> RotateCookiesPageAsync(string origin = NetworkService.Origin, int ytPid = 1)
     {
-        /*if (IsAnonymous)
+        if (IsAnonymous)
         {
             return ResultError.Fail("Anonymous clients cannot rotate cookies!");
-        }*/
+        }
 
         if (string.IsNullOrWhiteSpace(origin))
         {
@@ -386,7 +385,7 @@ public sealed class YouTubeClient : IDisposable
         return ResultError.Fail("Failed to get datasyncIds! Client not logged in.");
     }
 
-    private async Task DecipherSignatures(YouTubeVideo video, ClientState state)
+    /*private async Task DecipherSignaturesAsync(YouTubeVideo video, ClientState state)
     {
         var streamingData = video.StreamingData;
         if (streamingData == null)
@@ -394,25 +393,40 @@ public sealed class YouTubeClient : IDisposable
             _logger.Debug("No streaming data available, skipping decipher.");
             return;
         }
+        
+        if (string.IsNullOrWhiteSpace(state.PlayerJsUrl))
+        {
+            _logger.Warning("No player js url found.");
+        }
 
         var formatsWithCipher = streamingData.Formats.Concat(streamingData.AdaptiveFormats).Where(x => !string.IsNullOrWhiteSpace(x.SignatureCipher)).ToList();
         if (formatsWithCipher.Count == 0)
         {
-            _logger.Debug("Skipping decipher, no signatures found to decipher.");
+            _logger.Debug("Skipping signature decipher, no signatures found to decipher.");
+        }
+
+        if (string.IsNullOrWhiteSpace(streamingData.ServerAbrStreamingUrl))
+        {
+            _logger.Warning("No ABR streaming url available.");
+        }
+
+        var abrStreamUri = new Uri(streamingData.ServerAbrStreamingUrl);
+        var queries = HttpUtility.ParseQueryString(abrStreamUri.Query);
+        var nSig = queries.Get("n");
+
+        if (string.IsNullOrWhiteSpace(nSig))
+        {
+            _logger.Warning("No N signature found.");
+        }
+        
+        /*var jsEngineResult = await JavaScriptEngineManager.GetPlayerEngine(state.PlayerJsUrl ?? "");
+        if (!jsEngineResult.IsSuccess)
+        {
+            _logger.Warning(jsEngineResult.Error?.Description ?? "Failed to get player script engine.");
             return;
         }
 
-        var decipherDecoderResult = await CipherManager.GetDecoderAsync(state, this);
-        if (!decipherDecoderResult.IsSuccess)
-        {
-            _logger.Warning(decipherDecoderResult.Error?.Description ?? "Failed to get the cipher decoder!");
-            return;
-        }
-        var decoder = decipherDecoderResult.Value;
-        
-        foreach (var format in formatsWithCipher)
-        {
-            format.Url = decoder.Decipher(format.SignatureCipher);
-        }
-    }
+        var engine = jsEngineResult.Value;
+        engine.InitializePlayer();#1#
+    }*/
 }