Core: Add scripting support

BililiveRecorder.Core/DependencyInjectionExtensions.cs

@@ -5,6 +5,7 @@ using BililiveRecorder.Core.Api.Http;
 using BililiveRecorder.Core.Config.V3;
 using BililiveRecorder.Core.Danmaku;
 using BililiveRecorder.Core.Recording;
+using BililiveRecorder.Core.Scripting;
 using BililiveRecorder.Core.Templating;
 using BililiveRecorder.Flv;
 using Microsoft.Extensions.DependencyInjection;
@@ -27,6 +28,7 @@ namespace BililiveRecorder.DependencyInjection
             .AddSingleton<IRecorder, Recorder>()
             .AddSingleton<IRoomFactory, RoomFactory>()
             .AddScoped<IBasicDanmakuWriter, BasicDanmakuWriter>()
+            .AddSingleton<UserScriptRunner>()
             ;
 
         private static IServiceCollection AddRecorderPollyPolicy(this IServiceCollection services) => services

BililiveRecorder.Core/Recording/RawDataRecordTask.cs

@@ -4,6 +4,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using BililiveRecorder.Core.Api;
 using BililiveRecorder.Core.Event;
+using BililiveRecorder.Core.Scripting;
 using BililiveRecorder.Core.Templating;
 using Serilog;
 
@@ -16,11 +17,13 @@ namespace BililiveRecorder.Core.Recording
         public RawDataRecordTask(IRoom room,
                                  ILogger logger,
                                  IApiClient apiClient,
-                                 FileNameGenerator fileNameGenerator)
+                                 FileNameGenerator fileNameGenerator,
+                                 UserScriptRunner userScriptRunner)
             : base(room: room,
                    logger: logger?.ForContext<RawDataRecordTask>().ForContext(LoggingContext.RoomId, room.RoomConfig.RoomId)!,
                    apiClient: apiClient,
-                   fileNameGenerator: fileNameGenerator)
+                   fileNameGenerator: fileNameGenerator,
+                   userScriptRunner: userScriptRunner)
         {
         }
 

BililiveRecorder.Core/Recording/RecordTaskBase.cs

@@ -10,6 +10,7 @@ using System.Timers;
 using BililiveRecorder.Core.Api;
 using BililiveRecorder.Core.Config;
 using BililiveRecorder.Core.Event;
+using BililiveRecorder.Core.Scripting;
 using BililiveRecorder.Core.Templating;
 using Serilog;
 using Timer = System.Timers.Timer;
@@ -33,6 +34,7 @@ namespace BililiveRecorder.Core.Recording
         protected readonly ILogger logger;
         protected readonly IApiClient apiClient;
         private readonly FileNameGenerator fileNameGenerator;
+        private readonly UserScriptRunner userScriptRunner;
 
         protected string? streamHost;
         protected bool started = false;
@@ -51,12 +53,13 @@ namespace BililiveRecorder.Core.Recording
         private DateTimeOffset ioStatsLastTrigger;
         private TimeSpan durationSinceNoDataReceived;
 
-        protected RecordTaskBase(IRoom room, ILogger logger, IApiClient apiClient, FileNameGenerator fileNameGenerator)
+        protected RecordTaskBase(IRoom room, ILogger logger, IApiClient apiClient, FileNameGenerator fileNameGenerator, UserScriptRunner userScriptRunner)
         {
             this.room = room ?? throw new ArgumentNullException(nameof(room));
             this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
             this.apiClient = apiClient ?? throw new ArgumentNullException(nameof(apiClient));
             this.fileNameGenerator = fileNameGenerator ?? throw new ArgumentNullException(nameof(fileNameGenerator));
+            this.userScriptRunner = userScriptRunner ?? throw new ArgumentNullException(nameof(userScriptRunner));
             this.ct = this.cts.Token;
 
             this.timer.Elapsed += this.Timer_Elapsed_TriggerIOStats;
@@ -218,6 +221,19 @@ namespace BililiveRecorder.Core.Recording
 
         protected async Task<(string url, int qn)> FetchStreamUrlAsync(int roomid)
         {
+            var qns = this.room.RoomConfig.RecordingQuality?.Split(new[] { ',', '，', '、', ' ' }, StringSplitOptions.RemoveEmptyEntries)
+                .Select(x => int.TryParse(x, out var num) ? num : -1)
+                .Where(x => x > 0)
+                .ToArray()
+                ?? Array.Empty<int>();
+
+            // 优先使用用户脚本获取直播流地址
+            if (this.userScriptRunner.CallOnFetchStreamUrl(this.logger, roomid, qns) is { } urlFromScript)
+            {
+                this.logger.Information("使用用户脚本返回的直播流地址 {Url}", urlFromScript);
+                return (urlFromScript, 0);
+            }
+
             const int DefaultQn = 10000;
             var selected_qn = DefaultQn;
             var codecItem = await this.apiClient.GetCodecItemInStreamUrlAsync(roomid: roomid, qn: DefaultQn).ConfigureAwait(false);
@@ -225,12 +241,6 @@ namespace BililiveRecorder.Core.Recording
             if (codecItem is null)
                 throw new Exception("no supported stream url, qn: " + DefaultQn);
 
-            var qns = this.room.RoomConfig.RecordingQuality?.Split(new[] { ',', '，', '、', ' ' }, StringSplitOptions.RemoveEmptyEntries)
-                .Select(x => int.TryParse(x, out var num) ? num : -1)
-                .Where(x => x > 0)
-                .ToArray()
-                ?? Array.Empty<int>();
-
             // Select first avaiable qn
             foreach (var qn in qns)
             {
@@ -280,10 +290,37 @@ namespace BililiveRecorder.Core.Recording
 
             while (true)
             {
-                var originalUri = new Uri(fullUrl);
                 var allowedAddressFamily = this.room.RoomConfig.NetworkTransportAllowedAddressFamily;
                 HttpRequestMessage request;
 
+                if (this.userScriptRunner.CallOnTransformStreamUrl(this.logger, fullUrl) is { } scriptResult)
+                {
+                    var (scriptUrl, scriptIp) = scriptResult;
+
+                    this.logger.Debug("用户脚本重定向了直播流地址 {NewUrl}, 旧地址 {OldUrl}", scriptUrl, fullUrl);
+
+                    fullUrl = scriptUrl;
+
+                    if (scriptIp is not null)
+                    {
+                        this.logger.Debug("用户脚本指定了服务器 IP {IP}", scriptIp);
+
+                        request = new HttpRequestMessage(HttpMethod.Get, fullUrl);
+
+                        var uri = new Uri(fullUrl);
+                        var builder = new UriBuilder(uri)
+                        {
+                            Host = scriptIp
+                        };
+
+                        request = new HttpRequestMessage(HttpMethod.Get, builder.Uri);
+                        request.Headers.Host = uri.IsDefaultPort ? uri.Host : uri.Host + ":" + uri.Port;
+
+                        goto sendRequest;
+                    }
+                }
+
+                var originalUri = new Uri(fullUrl);
                 if (allowedAddressFamily == AllowedAddressFamily.System)
                 {
                     this.logger.Debug("NetworkTransportAllowedAddressFamily is System");
@@ -319,6 +356,8 @@ namespace BililiveRecorder.Core.Recording
                     request.Headers.Host = originalUri.IsDefaultPort ? originalUri.Host : originalUri.Host + ":" + originalUri.Port;
                 }
 
+            sendRequest:
+
                 var resp = await client.SendAsync(request,
                     HttpCompletionOption.ResponseHeadersRead,
                     new CancellationTokenSource(timeout).Token)

BililiveRecorder.Core/Recording/StandardRecordTask.cs

@@ -9,6 +9,7 @@ using BililiveRecorder.Core.Api;
 using BililiveRecorder.Core.Config;
 using BililiveRecorder.Core.Event;
 using BililiveRecorder.Core.ProcessingRules;
+using BililiveRecorder.Core.Scripting;
 using BililiveRecorder.Core.Templating;
 using BililiveRecorder.Flv;
 using BililiveRecorder.Flv.Amf;
@@ -42,11 +43,13 @@ namespace BililiveRecorder.Core.Recording
                           IFlvTagReaderFactory flvTagReaderFactory,
                           ITagGroupReaderFactory tagGroupReaderFactory,
                           IFlvProcessingContextWriterFactory writerFactory,
-                          FileNameGenerator fileNameGenerator)
+                          FileNameGenerator fileNameGenerator,
+                          UserScriptRunner userScriptRunner)
             : base(room: room,
                    logger: logger?.ForContext<StandardRecordTask>().ForContext(LoggingContext.RoomId, room.RoomConfig.RoomId)!,
                    apiClient: apiClient,
-                   fileNameGenerator: fileNameGenerator)
+                   fileNameGenerator: fileNameGenerator,
+                   userScriptRunner: userScriptRunner)
         {
             this.flvTagReaderFactory = flvTagReaderFactory ?? throw new ArgumentNullException(nameof(flvTagReaderFactory));
             this.tagGroupReaderFactory = tagGroupReaderFactory ?? throw new ArgumentNullException(nameof(tagGroupReaderFactory));

BililiveRecorder.Core/Scripting/Runtime/JintConsole.cs

@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Linq;
 using System.Runtime.CompilerServices;
+using System.Text;
 using Jint;
 using Jint.Native;
 using Jint.Native.Json;
@@ -9,6 +11,7 @@ using Jint.Native.Object;
 using Jint.Runtime;
 using Jint.Runtime.Interop;
 using Serilog;
+using Serilog.Events;
 
 namespace BililiveRecorder.Core.Scripting.Runtime
 {
@@ -16,9 +19,26 @@ namespace BililiveRecorder.Core.Scripting.Runtime
     {
         private readonly ILogger logger;
 
+        private static readonly IReadOnlyList<string> templateMessageMap;
+        private const int MaxTemplateSlotCount = 8;
+
         private readonly Dictionary<string, int> counters = new();
         private readonly Dictionary<string, Stopwatch> timers = new();
 
+        static JintConsole()
+        {
+            var map = new List<string>();
+            templateMessageMap = map;
+            var b = new StringBuilder("[Script]");
+            for (var i = 1; i <= MaxTemplateSlotCount; i++)
+            {
+                b.Append(" {Message");
+                b.Append(i);
+                b.Append("}");
+                map.Add(b.ToString());
+            }
+        }
+
         public JintConsole(Engine engine, ILogger logger) : base(engine)
         {
             this.logger = logger?.ForContext<JintConsole>() ?? throw new ArgumentNullException(nameof(logger));
@@ -30,15 +50,15 @@ namespace BililiveRecorder.Core.Scripting.Runtime
             Add("clear", this.Clear);
             Add("count", this.Count);
             Add("countReset", this.CountReset);
-            Add("debug", this.Debug);
-            Add("error", this.Error);
-            Add("info", this.Info);
-            Add("log", this.Log);
+            Add("debug", this.BuildLogFunc(LogEventLevel.Debug));
+            Add("error", this.BuildLogFunc(LogEventLevel.Error));
+            Add("info", this.BuildLogFunc(LogEventLevel.Information));
+            Add("log", this.BuildLogFunc(LogEventLevel.Information));
             Add("time", this.Time);
             Add("timeEnd", this.TimeEnd);
             Add("timeLog", this.TimeLog);
-            Add("trace", this.Trace);
-            Add("warn", this.Warn);
+            Add("trace", this.BuildLogFunc(LogEventLevel.Information));
+            Add("warn", this.BuildLogFunc(LogEventLevel.Warning));
 
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             void Add(string name, Func<JsValue, JsValue[], JsValue> func)
@@ -71,6 +91,31 @@ namespace BililiveRecorder.Core.Scripting.Runtime
         // Workaround: use `new Error().stack` in js side
         // ref: https://github.com/sebastienros/jint/discussions/1115
 
+        private Func<JsValue, JsValue[], JsValue> BuildLogFunc(LogEventLevel level)
+        {
+            return Log;
+            JsValue Log(JsValue thisObject, JsValue[] arguments)
+            {
+                var messages = this.FormatToString(arguments);
+                if (messages.Length > 0 && messages.Length <= MaxTemplateSlotCount)
+                {
+                    // Serilog quote "Catch a common pitfall when a single non-object array is cast to object[]"
+                    // ref: https://github.com/serilog/serilog/blob/fabc2cbe637c9ddfa2d1ddc9f502df120f444acd/src/Serilog/Core/Logger.cs#L368
+                    var values = messages.Cast<object>().ToArray();
+
+                    // Note: this is the non-generic, `params object[]` version
+                    // void Write(LogEventLevel level, string messageTemplate, params object[] propertyValues);
+                    this.logger.Write(level: level, messageTemplate: templateMessageMap[messages.Length - 1], propertyValues: values);
+                }
+                else
+                {
+                    // void Write<T>(LogEventLevel level, string messageTemplate, T propertyValue);
+                    this.logger.Write(level: level, messageTemplate: "[Script] {Messages}", propertyValue: messages);
+                }
+                return Undefined;
+            }
+        }
+
         private JsValue Assert(JsValue thisObject, JsValue[] arguments)
         {
             if (arguments.At(0).IsLooselyEqual(0))
@@ -96,6 +141,7 @@ namespace BililiveRecorder.Core.Scripting.Runtime
         private JsValue Count(JsValue thisObject, JsValue[] arguments)
         {
             var name = arguments.Length > 0 ? arguments[0].ToString() : "default";
+
             if (this.counters.TryGetValue(name, out var count))
             {
                 count++;
@@ -107,7 +153,6 @@ namespace BililiveRecorder.Core.Scripting.Runtime
             this.counters[name] = count;
 
             this.logger.Information("[Script] {CounterName}: {Count}", name, count);
-
             return Undefined;
         }
 
@@ -119,34 +164,6 @@ namespace BililiveRecorder.Core.Scripting.Runtime
             return Undefined;
         }
 
-        private JsValue Debug(JsValue thisObject, JsValue[] arguments)
-        {
-            var messages = this.FormatToString(arguments);
-            this.logger.Debug("[Script] {Messages}", messages);
-            return Undefined;
-        }
-
-        private JsValue Error(JsValue thisObject, JsValue[] arguments)
-        {
-            var messages = this.FormatToString(arguments);
-            this.logger.Error("[Script] {Messages}", messages);
-            return Undefined;
-        }
-
-        private JsValue Info(JsValue thisObject, JsValue[] arguments)
-        {
-            var messages = this.FormatToString(arguments);
-            this.logger.Information("[Script] {Messages}", messages);
-            return Undefined;
-        }
-
-        private JsValue Log(JsValue thisObject, JsValue[] arguments)
-        {
-            var messages = this.FormatToString(arguments);
-            this.logger.Information("[Script] {Messages}", messages);
-            return Undefined;
-        }
-
         private JsValue Time(JsValue thisObject, JsValue[] arguments)
         {
             var name = arguments.Length > 0 ? arguments[0].ToString() : "default";
@@ -190,19 +207,5 @@ namespace BililiveRecorder.Core.Scripting.Runtime
             }
             return Undefined;
         }
-
-        private JsValue Trace(JsValue thisObject, JsValue[] arguments)
-        {
-            var messages = this.FormatToString(arguments);
-            this.logger.Information("[Script] {Messages}", messages);
-            return Undefined;
-        }
-
-        private JsValue Warn(JsValue thisObject, JsValue[] arguments)
-        {
-            var messages = this.FormatToString(arguments);
-            this.logger.Warning("[Script] {Messages}", messages);
-            return Undefined;
-        }
     }
 }

BililiveRecorder.Core/Scripting/Runtime/JintFetchSync.cs

@@ -1,3 +1,5 @@
+using System.Net.Http;
+using System.Threading.Tasks;
 using Jint;
 using Jint.Native;
 using Jint.Native.Function;
@@ -14,7 +16,15 @@ namespace BililiveRecorder.Core.Scripting.Runtime
 
         protected override JsValue Call(JsValue thisObject, JsValue[] arguments)
         {
-            return Undefined;
+            var (promise, resolve, reject) = this._engine.RegisterPromise();
+
+            var task = Task.Run(() =>
+            {
+
+            });
+            var req = new HttpRequestMessage(HttpMethod.Get, "https://example.com");
+
+            return promise;
         }
     }
 }

BililiveRecorder.Core/Scripting/UserScriptRunner.cs

@@ -5,14 +5,18 @@ using BililiveRecorder.Core.Scripting.Runtime;
 using Esprima;
 using Esprima.Ast;
 using Jint;
+using Jint.Native;
 using Jint.Native.Function;
 using Jint.Native.Object;
+using Jint.Runtime.Interop;
 using Serilog;
 
 namespace BililiveRecorder.Core.Scripting
 {
     public class UserScriptRunner
     {
+        private const string RecorderEvents = "recorderEvents";
+        private static readonly JsValue RecorderEventsString = RecorderEvents;
         private static int ExecutionId = 0;
 
         private readonly GlobalConfig config;
@@ -27,7 +31,7 @@ namespace BililiveRecorder.Core.Scripting
         {
             setupScript = new JavaScriptParser(@"
 globalThis.recorderEvents = {};
-").ParseScript();
+", new ParserOptions(@"internalSetup.js")).ParseScript();
         }
 
         public UserScriptRunner(GlobalConfig config)
@@ -69,7 +73,7 @@ globalThis.recorderEvents = {};
                 return null;
             }
 
-            var parser = new JavaScriptParser(source);
+            var parser = new JavaScriptParser(source, new ParserOptions("userscript.js"));
             var script = parser.ParseScript();
 
             this.cachedScript = script;
@@ -89,55 +93,134 @@ globalThis.recorderEvents = {};
             return engine;
         }
 
-        public string CallOnStreamUrl(ILogger logger, string originalUrl)
-        {
-            var log = BuildLogger(logger);
-
-            var script = this.GetParsedScript();
-
-            if (script is null)
-            {
-                return originalUrl;
-            }
-
-            var engine = this.CreateJintEngine(log);
-
-            engine.Execute(script);
-
-            if (engine.Realm.GlobalObject.Get("recorderEvents") is not ObjectInstance events)
-            {
-                log.Warning("脚本: recorderEvents 被修改为非 object");
-                return originalUrl;
-            }
-
-            if (events.Get("onStreamUrl") is not FunctionInstance func)
-            {
-                return originalUrl;
-            }
-
-            var result = engine.Call(func, originalUrl);
-
-            if (result.Type == Jint.Runtime.Types.String)
-            {
-
-
-            }
-            else if (result.Type == Jint.Runtime.Types.Object)
-            {
-
-            }
-            else
-            {
-
-            }
-
-            throw new NotImplementedException();
-        }
-
         private static ILogger BuildLogger(ILogger logger)
         {
             var id = Interlocked.Increment(ref ExecutionId);
             return logger.ForContext<UserScriptRunner>().ForContext(nameof(ExecutionId), id);
         }
+
+        private FunctionInstance? ExecuteScriptThenGetEventHandler(ILogger logger, string functionName)
+        {
+            var script = this.GetParsedScript();
+            if (script is null)
+                return null;
+
+            var engine = this.CreateJintEngine(logger);
+            engine.Execute(script);
+
+            if (engine.Realm.GlobalObject.Get(RecorderEventsString) is not ObjectInstance events)
+            {
+                logger.Warning("[Script] recorderEvents 被修改为非 object");
+                return null;
+            }
+
+            return events.Get(functionName) as FunctionInstance;
+        }
+
+        public void CallOnTest(ILogger logger, Action<string>? alert)
+        {
+            const string callbackName = "onTest";
+            var log = BuildLogger(logger);
+            try
+            {
+                var func = this.ExecuteScriptThenGetEventHandler(log, callbackName);
+                if (func is null) return;
+
+                _ = func.Engine.Call(func, new DelegateWrapper(func.Engine, alert ?? delegate { }));
+            }
+            catch (Exception ex)
+            {
+                log.Error(ex, $"执行脚本 {callbackName} 时发生错误");
+                return;
+            }
+        }
+
+        /// <summary>
+        /// 获取直播流 URL
+        /// </summary>
+        /// <param name="logger">logger</param>
+        /// <param name="roomid">房间号</param>
+        /// <returns>直播流 URL</returns>
+        public string? CallOnFetchStreamUrl(ILogger logger, int roomid, int[] qnSetting)
+        {
+            const string callbackName = "onFetchStreamUrl";
+            var log = BuildLogger(logger);
+            try
+            {
+                var func = this.ExecuteScriptThenGetEventHandler(log, callbackName);
+                if (func is null) return null;
+
+                var input = new ObjectInstance(func.Engine);
+                input.Set("roomid", roomid);
+                input.Set("qn", JsValue.FromObject(func.Engine, qnSetting));
+
+                var result = func.Engine.Call(func, input);
+
+                switch (result)
+                {
+                    case JsString jsString:
+                        return jsString.ToString();
+                    case JsUndefined or JsNull:
+                        return null;
+                    default:
+                        log.Warning($"{RecorderEvents}.{callbackName}() 返回了不支持的类型: {{ValueType}}", result.Type);
+                        return null;
+                }
+            }
+            catch (Exception ex)
+            {
+                log.Error(ex, $"执行脚本 {callbackName} 时发生错误");
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// 在发送请求之前修改直播流 URL
+        /// </summary>
+        /// <param name="logger">logger</param>
+        /// <param name="originalUrl">原直播流地址</param>
+        /// <returns>url: 新直播流地址<br/>ip: 可选的强制使用的 IP 地址</returns>
+        public (string url, string? ip)? CallOnTransformStreamUrl(ILogger logger, string originalUrl)
+        {
+            const string callbackName = "onTransformStreamUrl";
+            var log = BuildLogger(logger);
+            try
+            {
+                var func = this.ExecuteScriptThenGetEventHandler(log, callbackName);
+                if (func is null) return null;
+
+                var result = func.Engine.Call(func, originalUrl);
+
+                switch (result)
+                {
+                    case JsString jsString:
+                        return (jsString.ToString(), null);
+                    case ObjectInstance obj:
+                        {
+                            var url = obj.Get("url");
+
+                            if (url is not JsString urlString)
+                            {
+                                log.Warning($"{RecorderEvents}.{callbackName}() 返回的 object 缺少 url 属性");
+                                return null;
+                            }
+
+                            var ip = obj.Get("ip") as JsString;
+
+                            return (urlString.ToString(), ip?.ToString());
+                        }
+                    case JsUndefined or JsNull:
+                        return null;
+                    default:
+                        log.Warning($"{RecorderEvents}.{callbackName}() 返回了不支持的类型: {{ValueType}}", result.Type);
+                        return null;
+                }
+            }
+            catch (Exception ex)
+            {
+                log.Error(ex, $"执行脚本 {callbackName} 时发生错误");
+                return null;
+            }
+        }
     }
 }

BililiveRecorder.WPF/Pages/AdvancedSettingsPage.xaml

@@ -48,6 +48,14 @@
                     <ui:NumberBox Minimum="0" SmallChange="1" Text="{Binding RecordDanmakuFlushInterval,UpdateSourceTrigger=PropertyChanged}"/>
                 </c:SettingWithDefault>
             </GroupBox>
+            <GroupBox Header="Scripting">
+                <StackPanel>
+                    <Button Click="TestScript_Click" Content="Test"/>
+                    <c:SettingWithDefault IsSettingNotUsingDefault="{Binding HasUserScript}" Header="请自由发挥((">
+                        <TextBox Text="{Binding UserScript, UpdateSourceTrigger=LostFocus}" AcceptsReturn="True" MinHeight="70" MaxHeight="130"/>
+                    </c:SettingWithDefault>
+                </StackPanel>
+            </GroupBox>
             <GroupBox Header="Timing">
                 <ui:SimpleStackPanel Spacing="10">
                     <c:SettingWithDefault IsSettingNotUsingDefault="{Binding HasTimingStreamRetry}" Header="录制重试间隔">

BililiveRecorder.WPF/Pages/AdvancedSettingsPage.xaml.cs

@@ -3,6 +3,7 @@ using System.Runtime.Serialization;
 using System.Threading.Tasks;
 using System.Windows;
 using BililiveRecorder.Core.Api.Http;
+using BililiveRecorder.Core.Scripting;
 using Newtonsoft.Json.Linq;
 using Serilog;
 
@@ -16,16 +17,21 @@ namespace BililiveRecorder.WPF.Pages
     {
         private static readonly ILogger logger = Log.ForContext<AdvancedSettingsPage>();
         private readonly HttpApiClient? httpApiClient;
+        private readonly UserScriptRunner? userScriptRunner;
 
-        public AdvancedSettingsPage(HttpApiClient? httpApiClient)
+        public AdvancedSettingsPage(HttpApiClient? httpApiClient, UserScriptRunner? userScriptRunner)
         {
             this.InitializeComponent();
             this.httpApiClient = httpApiClient;
+            this.userScriptRunner = userScriptRunner;
         }
 
-        public AdvancedSettingsPage() : this((HttpApiClient?)(RootPage.ServiceProvider?.GetService(typeof(HttpApiClient))))
-        {
-        }
+        public AdvancedSettingsPage()
+            : this(
+                  (HttpApiClient?)(RootPage.ServiceProvider?.GetService(typeof(HttpApiClient))),
+                  (UserScriptRunner?)(RootPage.ServiceProvider?.GetService(typeof(UserScriptRunner)))
+                  )
+        { }
 
         private void Crash_Click(object sender, RoutedEventArgs e) => throw new TestException("test crash triggered");
 
@@ -75,5 +81,10 @@ namespace BililiveRecorder.WPF.Pages
 
             MessageBox.Show("User: " + jo["data"]?["uname"]?.ToObject<string>(), "Cookie Test - Successed", MessageBoxButton.OK, MessageBoxImage.Information);
         }
+
+        private void TestScript_Click(object sender, RoutedEventArgs e)
+        {
+            _ = Task.Run(() => this.userScriptRunner?.CallOnTest(Log.Logger, str => MessageBox.Show(str)));
+        }
     }
 }

BililiveRecorder.WPF/Pages/RootPage.xaml.cs

@@ -62,16 +62,6 @@ namespace BililiveRecorder.WPF.Pages
             this.Model = new RootModel();
             this.DataContext = this.Model;
 
-            {
-                var services = new ServiceCollection();
-                services
-                    .AddFlv()
-                    .AddRecorder()
-                    ;
-
-                this.serviceProvider = services.BuildServiceProvider();
-            }
-
             this.InitializeComponent();
             this.AdvancedSettingsPageItem.Visibility = Visibility.Hidden;