412 lines
19 KiB
C#
412 lines
19 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Reflection;
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using Emby.Server.Implementations;
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using Jellyfin.Api.Auth;
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using Jellyfin.Api.Auth.DefaultAuthorizationPolicy;
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using Jellyfin.Api.Auth.DownloadPolicy;
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using Jellyfin.Api.Auth.FirstTimeOrIgnoreParentalControlSetupPolicy;
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using Jellyfin.Api.Auth.FirstTimeSetupOrDefaultPolicy;
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using Jellyfin.Api.Auth.FirstTimeSetupOrElevatedPolicy;
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using Jellyfin.Api.Auth.IgnoreParentalControlPolicy;
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using Jellyfin.Api.Auth.LocalAccessOrRequiresElevationPolicy;
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using Jellyfin.Api.Auth.LocalAccessPolicy;
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using Jellyfin.Api.Auth.RequiresElevationPolicy;
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using Jellyfin.Api.Auth.SyncPlayAccessPolicy;
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using Jellyfin.Api.Constants;
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using Jellyfin.Api.Controllers;
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using Jellyfin.Api.ModelBinders;
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using Jellyfin.Data.Enums;
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using Jellyfin.Networking.Configuration;
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using Jellyfin.Server.Configuration;
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using Jellyfin.Server.Filters;
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using Jellyfin.Server.Formatters;
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using MediaBrowser.Common.Json;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Model.Entities;
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using Microsoft.AspNetCore.Authentication;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Cors.Infrastructure;
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using Microsoft.AspNetCore.HttpOverrides;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.OpenApi.Any;
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using Microsoft.OpenApi.Interfaces;
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using Microsoft.OpenApi.Models;
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using Swashbuckle.AspNetCore.SwaggerGen;
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using AuthenticationSchemes = Jellyfin.Api.Constants.AuthenticationSchemes;
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namespace Jellyfin.Server.Extensions
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{
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/// <summary>
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/// API specific extensions for the service collection.
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/// </summary>
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public static class ApiServiceCollectionExtensions
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{
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/// <summary>
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/// Adds jellyfin API authorization policies to the DI container.
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/// </summary>
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/// <param name="serviceCollection">The service collection.</param>
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/// <returns>The updated service collection.</returns>
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public static IServiceCollection AddJellyfinApiAuthorization(this IServiceCollection serviceCollection)
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{
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serviceCollection.AddSingleton<IAuthorizationHandler, DefaultAuthorizationHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, DownloadHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, FirstTimeSetupOrDefaultHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, FirstTimeSetupOrElevatedHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, IgnoreParentalControlHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, FirstTimeOrIgnoreParentalControlSetupHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, LocalAccessHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, LocalAccessOrRequiresElevationHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, RequiresElevationHandler>();
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serviceCollection.AddSingleton<IAuthorizationHandler, SyncPlayAccessHandler>();
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return serviceCollection.AddAuthorizationCore(options =>
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{
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options.AddPolicy(
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Policies.DefaultAuthorization,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new DefaultAuthorizationRequirement());
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});
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options.AddPolicy(
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Policies.Download,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new DownloadRequirement());
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});
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options.AddPolicy(
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Policies.FirstTimeSetupOrDefault,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new FirstTimeSetupOrDefaultRequirement());
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});
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options.AddPolicy(
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Policies.FirstTimeSetupOrElevated,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new FirstTimeSetupOrElevatedRequirement());
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});
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options.AddPolicy(
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Policies.IgnoreParentalControl,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new IgnoreParentalControlRequirement());
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});
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options.AddPolicy(
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Policies.FirstTimeSetupOrIgnoreParentalControl,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new FirstTimeOrIgnoreParentalControlSetupRequirement());
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});
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options.AddPolicy(
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Policies.LocalAccessOnly,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new LocalAccessRequirement());
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});
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options.AddPolicy(
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Policies.LocalAccessOrRequiresElevation,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new LocalAccessOrRequiresElevationRequirement());
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});
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options.AddPolicy(
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Policies.RequiresElevation,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new RequiresElevationRequirement());
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});
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options.AddPolicy(
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Policies.SyncPlayHasAccess,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new SyncPlayAccessRequirement(SyncPlayAccessRequirementType.HasAccess));
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});
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options.AddPolicy(
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Policies.SyncPlayCreateGroup,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new SyncPlayAccessRequirement(SyncPlayAccessRequirementType.CreateGroup));
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});
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options.AddPolicy(
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Policies.SyncPlayJoinGroup,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new SyncPlayAccessRequirement(SyncPlayAccessRequirementType.JoinGroup));
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});
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options.AddPolicy(
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Policies.SyncPlayIsInGroup,
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policy =>
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{
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policy.AddAuthenticationSchemes(AuthenticationSchemes.CustomAuthentication);
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policy.AddRequirements(new SyncPlayAccessRequirement(SyncPlayAccessRequirementType.IsInGroup));
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});
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});
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}
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/// <summary>
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/// Adds custom legacy authentication to the service collection.
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/// </summary>
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/// <param name="serviceCollection">The service collection.</param>
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/// <returns>The updated service collection.</returns>
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public static AuthenticationBuilder AddCustomAuthentication(this IServiceCollection serviceCollection)
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{
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return serviceCollection.AddAuthentication(AuthenticationSchemes.CustomAuthentication)
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.AddScheme<AuthenticationSchemeOptions, CustomAuthenticationHandler>(AuthenticationSchemes.CustomAuthentication, null);
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}
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/// <summary>
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/// Extension method for adding the jellyfin API to the service collection.
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/// </summary>
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/// <param name="serviceCollection">The service collection.</param>
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/// <param name="pluginAssemblies">An IEnumerable containing all plugin assemblies with API controllers.</param>
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/// <param name="config">The <see cref="NetworkConfiguration"/>.</param>
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/// <returns>The MVC builder.</returns>
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public static IMvcBuilder AddJellyfinApi(this IServiceCollection serviceCollection, IEnumerable<Assembly> pluginAssemblies, NetworkConfiguration config)
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{
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IMvcBuilder mvcBuilder = serviceCollection
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.AddCors()
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.AddTransient<ICorsPolicyProvider, CorsPolicyProvider>()
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.Configure<ForwardedHeadersOptions>(options =>
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{
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// https://github.com/dotnet/aspnetcore/blob/master/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
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// Enable debug logging on Microsoft.AspNetCore.HttpOverrides.ForwardedHeadersMiddleware to help investigate issues.
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options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
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if (config.KnownProxies.Length == 0)
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{
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options.KnownNetworks.Clear();
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options.KnownProxies.Clear();
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}
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else
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{
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AddProxyAddresses(config, config.KnownProxies, options);
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}
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// Only set forward limit if we have some known proxies or some known networks.
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if (options.KnownProxies.Count != 0 || options.KnownNetworks.Count != 0)
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{
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options.ForwardLimit = null;
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}
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})
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.AddMvc(opts =>
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{
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// Allow requester to change between camelCase and PascalCase
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opts.RespectBrowserAcceptHeader = true;
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opts.OutputFormatters.Insert(0, new CamelCaseJsonProfileFormatter());
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opts.OutputFormatters.Insert(0, new PascalCaseJsonProfileFormatter());
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opts.OutputFormatters.Add(new CssOutputFormatter());
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opts.OutputFormatters.Add(new XmlOutputFormatter());
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opts.ModelBinderProviders.Insert(0, new NullableEnumModelBinderProvider());
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})
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// Clear app parts to avoid other assemblies being picked up
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.ConfigureApplicationPartManager(a => a.ApplicationParts.Clear())
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.AddApplicationPart(typeof(StartupController).Assembly)
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.AddJsonOptions(options =>
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{
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// Update all properties that are set in JsonDefaults
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var jsonOptions = JsonDefaults.PascalCaseOptions;
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// From JsonDefaults
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options.JsonSerializerOptions.ReadCommentHandling = jsonOptions.ReadCommentHandling;
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options.JsonSerializerOptions.WriteIndented = jsonOptions.WriteIndented;
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options.JsonSerializerOptions.DefaultIgnoreCondition = jsonOptions.DefaultIgnoreCondition;
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options.JsonSerializerOptions.NumberHandling = jsonOptions.NumberHandling;
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options.JsonSerializerOptions.Converters.Clear();
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foreach (var converter in jsonOptions.Converters)
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{
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options.JsonSerializerOptions.Converters.Add(converter);
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}
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// From JsonDefaults.PascalCase
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options.JsonSerializerOptions.PropertyNamingPolicy = jsonOptions.PropertyNamingPolicy;
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});
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foreach (Assembly pluginAssembly in pluginAssemblies)
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{
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mvcBuilder.AddApplicationPart(pluginAssembly);
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}
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return mvcBuilder.AddControllersAsServices();
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}
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/// <summary>
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/// Adds Swagger to the service collection.
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/// </summary>
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/// <param name="serviceCollection">The service collection.</param>
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/// <returns>The updated service collection.</returns>
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public static IServiceCollection AddJellyfinApiSwagger(this IServiceCollection serviceCollection)
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{
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return serviceCollection.AddSwaggerGen(c =>
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{
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var version = typeof(ApplicationHost).Assembly.GetName().Version?.ToString(3) ?? "0.0.1";
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c.SwaggerDoc("api-docs", new OpenApiInfo
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{
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Title = "Jellyfin API",
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Version = version,
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Extensions = new Dictionary<string, IOpenApiExtension>
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{
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{
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"x-jellyfin-version",
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new OpenApiString(version)
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}
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}
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});
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c.AddSecurityDefinition(AuthenticationSchemes.CustomAuthentication, new OpenApiSecurityScheme
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{
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Type = SecuritySchemeType.ApiKey,
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In = ParameterLocation.Header,
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Name = "X-Emby-Authorization",
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Description = "API key header parameter"
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});
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// Add all xml doc files to swagger generator.
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var xmlFiles = Directory.GetFiles(
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AppContext.BaseDirectory,
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"*.xml",
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SearchOption.TopDirectoryOnly);
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foreach (var xmlFile in xmlFiles)
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{
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c.IncludeXmlComments(xmlFile);
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}
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// Order actions by route path, then by http method.
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c.OrderActionsBy(description =>
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$"{description.ActionDescriptor.RouteValues["controller"]}_{description.RelativePath}");
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// Use method name as operationId
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c.CustomOperationIds(
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description =>
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{
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description.TryGetMethodInfo(out MethodInfo methodInfo);
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// Attribute name, method name, none.
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return description?.ActionDescriptor?.AttributeRouteInfo?.Name
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?? methodInfo?.Name
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?? null;
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});
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// Allow parameters to properly be nullable.
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c.UseAllOfToExtendReferenceSchemas();
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c.SupportNonNullableReferenceTypes();
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// TODO - remove when all types are supported in System.Text.Json
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c.AddSwaggerTypeMappings();
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c.OperationFilter<SecurityRequirementsOperationFilter>();
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c.OperationFilter<FileResponseFilter>();
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c.OperationFilter<FileRequestFilter>();
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c.OperationFilter<ParameterObsoleteFilter>();
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c.DocumentFilter<AdditionalModelFilter>();
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});
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}
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/// <summary>
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/// Sets up the proxy configuration based on the addresses in <paramref name="allowedProxies"/>.
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/// </summary>
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/// <param name="config">The <see cref="NetworkConfiguration"/> containing the config settings.</param>
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/// <param name="allowedProxies">The string array to parse.</param>
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/// <param name="options">The <see cref="ForwardedHeadersOptions"/> instance.</param>
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internal static void AddProxyAddresses(NetworkConfiguration config, string[] allowedProxies, ForwardedHeadersOptions options)
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{
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for (var i = 0; i < allowedProxies.Length; i++)
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{
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if (IPNetAddress.TryParse(allowedProxies[i], out var addr))
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{
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AddIpAddress(config, options, addr.Address, addr.PrefixLength);
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}
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else if (IPHost.TryParse(allowedProxies[i], out var host))
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{
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foreach (var address in host.GetAddresses())
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{
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AddIpAddress(config, options, addr.Address, addr.PrefixLength);
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}
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}
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}
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}
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private static void AddIpAddress(NetworkConfiguration config, ForwardedHeadersOptions options, IPAddress addr, int prefixLength)
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{
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if ((!config.EnableIPV4 && addr.AddressFamily == AddressFamily.InterNetwork) || (!config.EnableIPV6 && addr.AddressFamily == AddressFamily.InterNetworkV6))
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{
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return;
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}
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// In order for dual-mode sockets to be used, IP6 has to be enabled in JF and an interface has to have an IP6 address.
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if (addr.AddressFamily == AddressFamily.InterNetwork && config.EnableIPV6)
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{
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// If the server is using dual-mode sockets, IPv4 addresses are supplied in an IPv6 format.
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// https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/proxy-load-balancer?view=aspnetcore-5.0 .
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addr = addr.MapToIPv6();
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}
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if (prefixLength == 32)
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{
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options.KnownProxies.Add(addr);
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}
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else
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{
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options.KnownNetworks.Add(new IPNetwork(addr, prefixLength));
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}
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}
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private static void AddSwaggerTypeMappings(this SwaggerGenOptions options)
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{
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/*
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* TODO remove when System.Text.Json properly supports non-string keys.
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* Used in BaseItemDto.ImageBlurHashes
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*/
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options.MapType<Dictionary<ImageType, string>>(() =>
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new OpenApiSchema
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{
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Type = "object",
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AdditionalProperties = new OpenApiSchema
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{
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Type = "string"
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}
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});
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/*
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* Support BlurHash dictionary
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*/
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options.MapType<Dictionary<ImageType, Dictionary<string, string>>>(() =>
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new OpenApiSchema
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{
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Type = "object",
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Properties = typeof(ImageType).GetEnumNames().ToDictionary(
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name => name,
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name => new OpenApiSchema
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{
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Type = "object",
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AdditionalProperties = new OpenApiSchema
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{
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Type = "string"
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}
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})
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});
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}
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}
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}
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