如何解决 Asp.Net Core Azure B2C 配置中的 Request too Long 错误？

Question

我是 Asp.Net Core 身份的新手。

我已按照以下配置启动。当我在普通的隐身浏览器中运行代码时，出现以下错误。

我已按照之前问题的建议清除了 cookie。有趣的是在加载标志屏幕时会创建大量 cookie。

我的问题类似于以下旧文章中描述的问题。这两种解决方案似乎都过时了。

• https://www.javaer101.com/en/article/18781756.html
• https://blog.bitscry.com/2018/09/19/azure-ad-request-too-long/

using d365fl.DocumentGenerator.blazor_frontend.Data;
using Microsoft.AspNetCore.Authentication.OpenIdConnect;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc.Authorization;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Identity.Web;
using Microsoft.IdentityModel.Logging;

namespace d365fl.DocumentGenerator.blazor_frontend
{
public class Startup
{
    public Startup(IConfiguration configuration)
    {
        Configuration = configuration;
    }

    public IConfiguration Configuration { get; }

    // This method gets called by the runtime. Use this method to add services to the container.
    // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
    public void ConfigureServices(IServiceCollection services)
    {

        ConfigureIdentiy(services);

        services.AddRazorPages();
        services.AddServerSideBlazor();
        services.AddSingleton<WeatherForecastService>();
    }

    private void ConfigureIdentiy(IServiceCollection services)
    {
        services.AddMicrosoftIdentityWebAppAuthentication(Configuration, "AzureAdB2C");

        services.AddControllersWithViews(options =>
        {
            var policy = new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .Build();
            options.Filters.Add(new AuthorizeFilter(policy));
        });

        services.Configure<OpenIdConnectOptions>(Configuration.GetSection("AzureAdB2C"));
    }
    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
            IdentityModelEventSource.ShowPII = true;
        }
        else
        {
            app.UseExceptionHandler("/Error");
            // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
            app.UseHsts();
        }

        app.UseHttpsRedirection();
        app.UseStaticFiles();

        app.UseRouting();

        app.UseAuthentication();
        app.UseAuthorization();

        app.UseEndpoints(endpoints =>
        {
            endpoints.MapControllers();
            endpoints.MapBlazorHub();
            endpoints.MapFallbackToPage("/_Host");
        });
    }
}

}

编辑 1 - 来自开发者工具栏的 HTTP 请求

EDIT 2 - 来自开发者工具栏/网络选项卡的 Cookie 数据的屏幕截图

Answer 1

正如我们在评论中所讨论的，问题是由太多 cookie 引起的。

请清除您的 cookie 并修改您的代码以避免无限循环和来回请求。

查看answer了解更多详情。