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using System.Collections.Generic;
using Jellyfin.Api.Middleware;
using Jellyfin.Networking.Configuration;
using MediaBrowser.Controller.Configuration;
using Microsoft.AspNetCore.Builder;
using Microsoft.OpenApi.Models;
namespace Jellyfin.Server.Extensions
{
/// <summary>
/// Extensions for adding API specific functionality to the application pipeline.
/// </summary>
public static class ApiApplicationBuilderExtensions
{
/// <summary>
/// Adds swagger and swagger UI to the application pipeline.
/// </summary>
/// <param name="applicationBuilder">The application builder.</param>
/// <param name="serverConfigurationManager">The server configuration.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseJellyfinApiSwagger(
this IApplicationBuilder applicationBuilder,
IServerConfigurationManager serverConfigurationManager)
{
// Enable middleware to serve swagger-ui (HTML, JS, CSS, etc.),
// specifying the Swagger JSON endpoint.
var baseUrl = serverConfigurationManager.GetNetworkConfiguration().BaseUrl.Trim('/');
var apiDocBaseUrl = serverConfigurationManager.GetNetworkConfiguration().BaseUrl;
if (!string.IsNullOrEmpty(baseUrl))
{
baseUrl += '/';
}
return applicationBuilder
.UseSwagger(c =>
{
// Custom path requires {documentName}, SwaggerDoc documentName is 'api-docs'
c.RouteTemplate = "{documentName}/openapi.json";
c.PreSerializeFilters.Add((swagger, httpReq) =>
{
swagger.Servers = new List<OpenApiServer> { new OpenApiServer { Url = $"{httpReq.Scheme}://{httpReq.Host.Value}{apiDocBaseUrl}" } };
});
})
.UseSwaggerUI(c =>
{
c.DocumentTitle = "Jellyfin API";
c.SwaggerEndpoint($"/{baseUrl}api-docs/openapi.json", "Jellyfin API");
c.InjectStylesheet($"/{baseUrl}api-docs/swagger/custom.css");
c.RoutePrefix = "api-docs/swagger";
})
.UseReDoc(c =>
{
c.DocumentTitle = "Jellyfin API";
c.SpecUrl($"/{baseUrl}api-docs/openapi.json");
c.InjectStylesheet($"/{baseUrl}api-docs/redoc/custom.css");
c.RoutePrefix = "api-docs/redoc";
});
}
/// <summary>
/// Adds IP based access validation to the application pipeline.
/// </summary>
/// <param name="appBuilder">The application builder.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseIPBasedAccessValidation(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<IPBasedAccessValidationMiddleware>();
}
/// <summary>
/// Adds LAN based access filtering to the application pipeline.
/// </summary>
/// <param name="appBuilder">The application builder.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseLanFiltering(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<LanFilteringMiddleware>();
}
/// <summary>
/// Enables url decoding before binding to the application pipeline.
/// </summary>
/// <param name="appBuilder">The <see cref="IApplicationBuilder"/>.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseQueryStringDecoding(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<QueryStringDecodingMiddleware>();
}
/// <summary>
/// Adds base url redirection to the application pipeline.
/// </summary>
/// <param name="appBuilder">The application builder.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseBaseUrlRedirection(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<BaseUrlRedirectionMiddleware>();
}
/// <summary>
/// Adds a custom message during server startup to the application pipeline.
/// </summary>
/// <param name="appBuilder">The application builder.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseServerStartupMessage(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<ServerStartupMessageMiddleware>();
}
/// <summary>
/// Adds a WebSocket request handler to the application pipeline.
/// </summary>
/// <param name="appBuilder">The application builder.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseWebSocketHandler(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<WebSocketHandlerMiddleware>();
}
/// <summary>
/// Adds robots.txt redirection to the application pipeline.
/// </summary>
/// <param name="appBuilder">The application builder.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UseRobotsRedirection(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<RobotsRedirectionMiddleware>();
}
/// <summary>
/// Adds /emby and /mediabrowser route trimming to the application pipeline.
/// </summary>
/// <remarks>
/// This must be injected before any path related middleware.
/// </remarks>
/// <param name="appBuilder">The application builder.</param>
/// <returns>The updated application builder.</returns>
public static IApplicationBuilder UsePathTrim(this IApplicationBuilder appBuilder)
{
return appBuilder.UseMiddleware<LegacyEmbyRouteRewriteMiddleware>();
}
}
}
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