基于JWT的API + Piranha [授权]路由

Question

最近在Piranha项目中为api设置了JWT。我可以在没有Piranha劫持请求的情况下访问登录端点(匿名)。

当我碰到一个API端点(在成功的auth &接收到JWT之后)时，它就会被Piranha捕获。它试图将我重定向到CMS登录。

因为这是一个API，所以重定向到网页是不可接受的行为。为了纠正这种行为？

        var appSettingsSection = config.GetSection("AppSettings");
        services.Configure<AppSettings> (appSettingsSection);
        // configure jwt authentication
        var appSettings = appSettingsSection.Get<AppSettings> ();
        var key = Encoding.UTF8.GetBytes (appSettings.Secret); // todo - UTF8 vs ASCII?!
        services.AddAuthentication (x => {
                x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
                x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
            })
            .AddJwtBearer (x => {
                x.RequireHttpsMetadata = false;
                x.SaveToken = true;
                x.TokenValidationParameters = new TokenValidationParameters {
                    ValidateIssuerSigningKey = true,
                    IssuerSigningKey = new SymmetricSecurityKey (key),
                    ValidateIssuer = false,
                    ValidateAudience = false
                };
            });
        services.AddPiranhaApplication ();
        services.AddPiranhaFileStorage ();
        services.AddPiranhaImageSharp ();

            services.AddPiranhaEF (options =>
                options.UseSqlite ("Filename=./piranha.db"));
            services.AddPiranhaIdentityWithSeed<IdentitySQLiteDb> (options =>
                options.UseSqlite ("Filename=./piranha.db"));
        }
        services.AddPiranhaManager ();
        services.AddPiranhaMemCache ();

        services.AddMvc (config => {
                config.ModelBinderProviders.Insert (0,
                    new Piranha.Manager.Binders.AbstractModelBinderProvider ());
            }).SetCompatibilityVersion (CompatibilityVersion.Version_2_1);

-

[ApiController]
[Route ("api/v1/")]
[Produces("application/json")]
[Authorize(AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)]
public class ApiController : ControllerBase {

Answer 1

这里的问题是ASP.NET标识是如何与JWT交互的。在你的创业中，你的使命：

services.AddPiranhaIdentityWithSeed<IdentitySQLiteDb> (options =>
    options.UseSqlite ("Filename=./piranha.db"));

这意味着设置使用默认选项Piranha集，其中一些选项实际上更适合开发(比如密码强度)。您可以在方法中提供自己的options和cookie options，如下所示：

services.AddPiranhaIdentityWithSeed<IdentitySQLiteDb> (options =>
    options.UseSqlite ("Filename=./piranha.db"), identityOptions, cookieOptions);

使用的默认标识选项是：

// Password settings
options.Password.RequireDigit = false;
options.Password.RequiredLength = 6;
options.Password.RequireNonAlphanumeric = false;
options.Password.RequireUppercase = false;
options.Password.RequireLowercase = false;
options.Password.RequiredUniqueChars = 1;

// Lockout settings
options.Lockout.DefaultLockoutTimeSpan = TimeSpan.FromMinutes(30);
options.Lockout.MaxFailedAccessAttempts = 10;
options.Lockout.AllowedForNewUsers = true;

// User settings
options.User.RequireUniqueEmail = true;

这些是默认的cookie选项：

options.Cookie.HttpOnly = true;
options.ExpireTimeSpan = TimeSpan.FromMinutes(30);
options.LoginPath = "/manager/login";
options.AccessDeniedPath = "/manager/login";
options.SlidingExpiration = true;

诚挚的问候

菅直人

Answer 2

如果您仍然希望在API端点中使用Cookie Auth，下面的内容可能会有效，但有一些注意事项。要设置它，请执行以下操作：

1. 为每个Håkan's post提供默认选项，根据需要进行更新
2. 为cookieOptions.Events.OnRedirectToLogin添加自定义处理程序。

注意事项：

1. 如果没有响应，.NET核心仍将重新定向.
2. 如果您正在使用CORs，则不再自动发送标头，因此您需要弄清楚如何做到这一点。
3. 我正在使用Axios客户端在我的前端项目。在默认情况下，即使withCredentials参数设置为true，Axios也不会发送带PUT/DELETE请求的cookie。

identityOptions => 
                {
                    // Password settings
                    identityOptions.Password.RequireDigit = false;
                    identityOptions.Password.RequiredLength = 6;
                    identityOptions.Password.RequireNonAlphanumeric = false;
                    identityOptions.Password.RequireUppercase = false;
                    identityOptions.Password.RequireLowercase = false;
                    identityOptions.Password.RequiredUniqueChars = 1;

                        // Lockout settings
                        identityOptions.Lockout.DefaultLockoutTimeSpan = TimeSpan.FromMinutes(30);
                        identityOptions.Lockout.MaxFailedAccessAttempts = 10;
                        identityOptions.Lockout.AllowedForNewUsers = true;

                        // User settings
                        identityOptions.User.RequireUniqueEmail = true;

                    },
                    cookieOptions => 
                    {
                        cookieOptions.Cookie.HttpOnly = true;
                        cookieOptions.ExpireTimeSpan = TimeSpan.FromMinutes(30);
                        cookieOptions.LoginPath = "/manager/login";
                        cookieOptions.AccessDeniedPath = "/manager/login";
                        cookieOptions.SlidingExpiration = true;

                        var defaultAction = cookieOptions.Events.OnRedirectToLogin;
                        cookieOptions.Events.OnRedirectToLogin = (context) =>
                        {

                            if (context.Request.Path.Value.StartsWith("/api"))
                            {
                                context.Response.StatusCode = 401;
                                context.Response.BodyWriter.WriteAsync(new ReadOnlyMemory<byte>(Encoding.ASCII.GetBytes("unauthorized.")));
                                return Task.CompletedTask;
                            }
                            else
                            {
                                return defaultAction(context);
                            }
                        };
                    });