src/Components/test/testassets/Components.TestServer/DeferredComponentContentStartup.cs - main - githubmirror/aspnetcore

src/Components/test/testassets/Components.TestServer/DeferredComponentContentStartup.cs

67 строк2 KB

Javier Calvarro Nelson

[Blazor] Enable websocket compression for Blazor Server and Interactive Server components in Blazor web (#53389)

05 фев 2024, 18:21

05 фев 2024, 18:21f5853af

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Globalization;
using System.Net.WebSockets;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Http.Features;

namespace TestServer;

public class DeferredComponentContentStartup
{
    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddMvc();
        services.AddServerSideBlazor();
        services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme).AddCookie();
    }

    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        var enUs = new CultureInfo("en-US");
        CultureInfo.DefaultThreadCurrentCulture = enUs;
        CultureInfo.DefaultThreadCurrentUICulture = enUs;

        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }

        app.Map("/deferred-component-content", app =>
        {
            app.UseStaticFiles();

            app.UseAuthentication();

            app.UseRouting();
            app.UseWebSockets();
            app.UseEndpoints(endpoints =>
            {
                endpoints.MapRazorPages();
                endpoints.MapFallbackToPage("/DeferredComponentContentHost");
                endpoints.MapBlazorHub().AddEndpointFilter(async (context, next) =>
                {
                    if (context.HttpContext.WebSockets.IsWebSocketRequest)
                    {
                        var currentFeature = context.HttpContext.Features.Get<IHttpWebSocketFeature>(); context.HttpContext.Features.Set<IHttpWebSocketFeature>(new ServerComponentsSocketFeature(currentFeature!));
                    }
                    return await next(context);
                });
            });
        });
    }

    private sealed class ServerComponentsSocketFeature(IHttpWebSocketFeature originalFeature) : IHttpWebSocketFeature
    {
        public bool IsWebSocketRequest => originalFeature.IsWebSocketRequest;

        public Task<WebSocket> AcceptAsync(WebSocketAcceptContext context)
        {
            context.DangerousEnableCompression = true;
            return originalFeature.AcceptAsync(context);
        }
    }
}