c# – 没有Identity ASP.NET Core v2的Cookie中间件

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我试图在不使用身份的情况下进行身份验证.我发现了一些文章描述了如何在其他版本中执行它,但对于ASP.NET Core 2没有任何内容.

以下是我拼凑在一起的内容.但是当它到达SignInAsync时会抛出异常InvalidOperationException：没有配置身份验证处理程序来处理该方案：MyCookieMiddlewareInstance

    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddMvc();
        services.AddCookieAuthentication("MyCookieMiddlewareInstance", o =>
        {
            o.LoginPath = new PathString("/Account/Login/");
            o.AccessDeniedPath = new PathString("/Account/Forbidden/");

        });
        services.AddAuthentication();
    }

    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IHostingEnvironment env)
    {
        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }
        else
        {
            app.UseExceptionHandler("/Home/Error");
        }

        app.UseStaticFiles();

        app.UseMvc(routes =>
        {
            routes.MapRoute(
                name: "default",
                template: "{controller=Home}/{action=Index}/{id?}");
        });

        app.UseAuthentication();
    }

    public async Task<IActionResult> Login()
    {

        var claims = new List<Claim>
            {
                new Claim(ClaimTypes.Name, "joe nobody")
            };
        var identity = new ClaimsIdentity(claims, "MyCookieMiddlewareInstance");
        var principal = new ClaimsPrincipal(identity);

        //blows up on the following statement:
        //InvalidOperationException: No authentication handler is configured to handle the scheme: MyCookieMiddlewareInstance
        await HttpContext.Authentication.SignInAsync("MyCookieMiddlewareInstance", principal); 

        return View();
    }

有一个针对asp.net core v1.x(https://docs.microsoft.com/en-us/aspnet/core/security/authentication/cookie)的Microsoft文档,但是在v2中对IApplicationBuilder.UseCookieAuthentication()进行了折旧,但没有找到任何解决方案.

解决方法:

看起来Auth 2.0(https://github.com/aspnet/Announcements/issues/232)有一些重大变化

设置是正确的,但我需要做两件事：

>使用HttpContext.SignInAsync()(使用Microsoft.AspNetCore.Authentication)代替HttpContext.Authentication.SignInAsync()
>使用“AuthenticationTypes.Federation”作为身份验证类型
(注意：其他值似乎不起作用,空白将导致用户名被设置并且IsAuthenticated为false)

var identity = new ClaimsIdentity(claim,“AuthenticationTypes.Federation”);

以下是更正后的代码

在Startup.cs中

    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddMvc();
        services.AddCookieAuthentication("MyCookieMiddlewareInstance", o =>
        {
            o.LoginPath = new PathString("/Account/Login/");
            o.AccessDeniedPath = new PathString("/Account/Forbidden/");
        });
        services.AddAuthentication();
    }

    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IHostingEnvironment env)
    {
        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }
        else
        {
            app.UseExceptionHandler("/Home/Error");
        }

        app.UseStaticFiles();

        app.UseAuthentication();

        app.UseMvc(routes =>
        {
            routes.MapRoute(
                name: "default",
                template: "{controller=Home}/{action=Index}/{id?}");
        });
    }

在控制器中

    using Microsoft.AspNetCore.Authentication;
    //...
    public async Task<IActionResult> Login()
    {
        var claims = new List<Claim>
        {
            new Claim(ClaimTypes.Name, "joe nobody")
        };
        var identity = new ClaimsIdentity(claims, "AuthenticationTypes.Federation");
        var principal = new ClaimsPrincipal(identity);
        await HttpContext.SignInAsync("MyCookieMiddlewareInstance", principal);

        return View();
    }

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