mirror of
https://github.com/BililiveRecorder/BililiveRecorder.git
synced 2024-12-25 19:56:10 +08:00
261 lines
11 KiB
C#
261 lines
11 KiB
C#
using System;
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using System.Diagnostics;
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using System.IO;
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using System.Threading.Tasks;
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using AutoMapper;
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using BililiveRecorder.Core;
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using BililiveRecorder.Web.Graphql;
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using BililiveRecorder.Web.Models.Rest;
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using GraphQL;
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using GraphQL.Execution;
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using GraphQL.Server;
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using GraphQL.SystemReactive;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Server.Kestrel.Core;
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using Microsoft.AspNetCore.StaticFiles;
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using Microsoft.AspNetCore.StaticFiles.Infrastructure;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyInjection.Extensions;
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using Microsoft.Extensions.FileProviders;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using Microsoft.OpenApi.Models;
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namespace BililiveRecorder.Web
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{
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public class Startup
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{
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// TODO 减少引用的依赖数量
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public Startup(IConfiguration configuration, IWebHostEnvironment environment)
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{
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this.Configuration = configuration;
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this.Environment = environment;
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}
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public IConfiguration Configuration { get; }
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public IWebHostEnvironment Environment { get; }
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// This method gets called by the runtime. Use this method to add services to the container.
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// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
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public void ConfigureServices(IServiceCollection services)
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{
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// GraphQL API 使用 Newtonsoft.Json 会同步调用 System.IO.StreamReader.Peek
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// 来源是 GraphQL.Server.Transports.AspNetCore.NewtonsoftJson.GraphQLRequestDeserializer.DeserializeFromJsonBodyAsync
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// System.Text.Json 不使用构造函数传属性，所以无法创建 Optional<T> （需要加 attribute，回头改）
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// TODO 改 Optional<T>
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services.Configure<KestrelServerOptions>(o => o.AllowSynchronousIO = true);
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// 如果 IRecorder 没有被注册过才会添加，模拟调试用
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// 实际运行时在 BililiveRecorder.Web.Program 里会加上真的 IRecorder
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services.TryAddSingleton<IRecorder>(new FakeRecorderForWeb());
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#if DEBUG
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// TODO 移动到一个单独的测试项目里
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var configuration = new MapperConfiguration(cfg => cfg.AddProfile<DataMappingProfile>());
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configuration.AssertConfigurationIsValid();
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#endif
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services
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.AddAutoMapper(c => c.AddProfile<DataMappingProfile>())
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.AddCors(o => o.AddDefaultPolicy(policy =>
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{
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policy
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.SetIsOriginAllowed(origin => true)
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.AllowAnyMethod()
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.AllowAnyHeader()
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.AllowCredentials()
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.WithExposedHeaders("Content-Length")
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.SetPreflightMaxAge(TimeSpan.FromMinutes(5))
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;
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}));
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services
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.AddSingleton(new ManifestEmbeddedFileProvider(typeof(Startup).Assembly))
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.AddSingleton(sp => new CompositeFileProvider(sp.GetRequiredService<IWebHostEnvironment>().WebRootFileProvider, sp.GetRequiredService<ManifestEmbeddedFileProvider>()));
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// Graphql API
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GraphQL.MicrosoftDI.GraphQLBuilderExtensions.AddGraphQL(services)
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.AddServer(true)
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.AddWebSockets()
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.AddNewtonsoftJson()
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.AddSchema<RecorderSchema>()
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.AddSubscriptionDocumentExecuter()
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.AddDefaultEndpointSelectorPolicy()
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.AddGraphTypes(typeof(RecorderSchema).Assembly)
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.Configure<ErrorInfoProviderOptions>(opt => opt.ExposeExceptionStackTrace = this.Environment.IsDevelopment() || Debugger.IsAttached)
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.ConfigureExecution(options =>
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{
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options.EnableMetrics = this.Environment.IsDevelopment() || Debugger.IsAttached;
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var logger = options.RequestServices?.GetRequiredService<ILogger<Startup>>();
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options.UnhandledExceptionDelegate = ctx => logger?.LogError(ctx.OriginalException, "Graphql Error");
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})
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;
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// REST API
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services
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.AddSwaggerGen(c =>
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{
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c.UseAllOfForInheritance();
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c.UseOneOfForPolymorphism();
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c.SwaggerDoc("brec", new OpenApiInfo
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{
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Title = "录播姬 REST API",
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Description = "录播姬网站 [rec.danmuji.org](https://rec.danmuji.org/) \n录播姬 GitHub [BililiveRecorder/BililiveRecorder](https://github.com/BililiveRecorder/BililiveRecorder) \n\n" +
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"除了 REST API 以外，录播姬还有 Graphql API 可以使用。\n\n" +
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"API 中的 objectId 在重启后会重新生成，不保存到配置文件。",
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Version = "v1"
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});
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var filePath = Path.Combine(AppContext.BaseDirectory, "BililiveRecorder.Web.xml");
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c.IncludeXmlComments(filePath);
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})
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.AddRouting(c =>
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{
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c.LowercaseUrls = true;
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c.LowercaseQueryStrings = true;
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})
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.AddMvcCore(option =>
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{
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})
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.AddApiExplorer()
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.AddNewtonsoftJson();
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}
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// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
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public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
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{
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const string PAGE404 = "/404.html";
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app
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.UseCors()
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.UseMiddleware<BasicAuthMiddleware>()
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.UseWebSockets();
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app.Use(static next => async context =>
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{
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// 404 页面处理
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await next(context);
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if (!context.Response.HasStarted
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&& !context.Response.ContentLength.HasValue
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&& string.IsNullOrEmpty(context.Response.ContentType)
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&& context.Response.StatusCode == StatusCodes.Status404NotFound)
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{
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var originalPath = context.Request.Path;
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var originalQueryString = context.Request.QueryString;
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try
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{
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if (originalPath.StartsWithSegments("/ui"))
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{
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context.Items["webui-spa-path"] = originalPath;
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context.Request.Path = "/ui/";
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}
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else
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{
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context.Request.Path = PAGE404;
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}
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context.Request.QueryString = new QueryString();
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await next(context);
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}
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finally
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{
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context.Request.Path = originalPath;
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context.Request.QueryString = originalQueryString;
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}
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}
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});
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app.UseRouting();
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static void OnPrepareResponse(StaticFileResponseContext context)
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{
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if (context.Context.Request.Path == PAGE404)
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{
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context.Context.Response.StatusCode = StatusCodes.Status404NotFound;
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context.Context.Response.Headers.CacheControl = "no-cache";
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}
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else
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{
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context.Context.Response.Headers.CacheControl = "max-age=86400, must-revalidate";
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}
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}
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var ctp = new FileExtensionContentTypeProvider();
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ctp.Mappings[".htm"] = "text/html; charset=utf-8";
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ctp.Mappings[".html"] = "text/html; charset=utf-8";
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ctp.Mappings[".css"] = "text/css; charset=utf-8";
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ctp.Mappings[".js"] = "text/javascript; charset=utf-8";
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ctp.Mappings[".mjs"] = "text/javascript; charset=utf-8";
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ctp.Mappings[".json"] = "application/json; charset=utf-8";
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var compositeFileProvider = app.ApplicationServices.GetRequiredService<CompositeFileProvider>();
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var sharedStaticFiles = new SharedOptions()
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{
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// 在运行的 exe 旁边新建一个 wwwroot 文件夹，会优先使用里面的内容，然后 fallback 到打包的资源文件
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FileProvider = compositeFileProvider,
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RedirectToAppendTrailingSlash = true,
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};
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app
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.UseDefaultFiles(new DefaultFilesOptions(sharedStaticFiles))
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.UseStaticFiles(new StaticFileOptions(sharedStaticFiles)
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{
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ContentTypeProvider = ctp,
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OnPrepareResponse = OnPrepareResponse
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})
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//.UseDirectoryBrowser(new DirectoryBrowserOptions(shared))
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;
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try
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{
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if (app.ApplicationServices.GetService<BililiveRecorderFileExplorerSettings>()?.Enable ?? false)
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{
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var sharedRecordingFiles = new SharedOptions
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{
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FileProvider = new PhysicalFileProvider(app.ApplicationServices.GetRequiredService<IRecorder>().Config.Global.WorkDirectory),
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RequestPath = "/file",
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RedirectToAppendTrailingSlash = true,
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};
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app.UseStaticFiles(new StaticFileOptions(sharedRecordingFiles)).UseDirectoryBrowser(new DirectoryBrowserOptions(sharedRecordingFiles)
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{
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Formatter = new BililiveRecorderDirectoryFormatter()
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});
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}
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}
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catch (Exception) { }
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app
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.UseEndpoints(endpoints =>
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{
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endpoints.MapControllers();
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endpoints.MapGraphQL<RecorderSchema>();
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endpoints.MapGraphQLWebSockets<RecorderSchema>();
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endpoints.MapSwagger();
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endpoints.MapGraphQLPlayground("graphql/playground");
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endpoints.MapGraphQLGraphiQL("graphql/graphiql");
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endpoints.MapGraphQLAltair("graphql/altair");
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endpoints.MapGraphQLVoyager("graphql/voyager");
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})
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.UseSwaggerUI(c =>
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{
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c.SwaggerEndpoint("brec/swagger.json", "录播姬 REST API");
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})
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.Use(static next => static context =>
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{
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context.Response.StatusCode = StatusCodes.Status404NotFound;
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return Task.CompletedTask;
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});
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}
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}
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}
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