0

使用邮递员我可以请求一个令牌，这里是：

{
    "access_token": "N1FL606bmDkZyLplpkLAihaviMQhB042z-rhY262M_W5nSWIv8fDOQiYkEn6GCuDnrxpdOWBS7lpxlBazHYlwnP1RvpDFED1i_ml89QNspyGOWB6TcMkT1MmfUAZ617k9MNvl5UJh2jKzUwvDDeXMURG9tEtmE3UX2L2D-1VA9kqYOzOB1UYbpMAfdTi84jsbR0lhLkNkReQ5fqg4B3IFbbWNGWu5ONb1uuf00ixL-BIMqSvEaNn58_zCyAVFWVzcH2tayYTGT5p_AItKfYiWaYHKC0pDoZ_OBdlpB7Odc7ScwjwFM5vtpBZE81rpk8yjXnrTEk_j9n0eiloJnpWwA",
    "token_type": "bearer",
    "expires_in": 899,
    "refresh_token": "60da311d10f043b892c703c7fb7ab061",
    "as:client_id": "Erp",
    "userName": "bbauer",
    ".issued": "Tue, 30 Jun 2015 17:56:10 GMT",
    ".expires": "Tue, 30 Jun 2015 18:11:10 GMT"
}

我还可以从不受保护的资源中获取信息，如下所示： http://localhost:60689/api/Accounts/User/bbauer

{
    "url": "http://localhost:60689/api/accounts/user/31",
    "id": 31,
    "userName": "bbauer",
    "fullName": "Brian Bauer",
    "email": null,
    "emailConfirmed": false,
    "roles": [
        "Administrator"
    ],
    "claims": []
}

从那里我看到用户处于“管理员”角色。当我尝试获取受保护的资源时，我总是得到这个回复：“此请求的授权已被拒绝。”

这是控制器中的方法：

[Authorize(Roles = "Administrator")]
[Route("user/{id:int}", Name = "GetUserById")]
public async Task<IHttpActionResult> GetUser(int id)
{
    var user = await AppUserManager.FindByIdAsync(id);

    if (user != null)
    {
        return Ok(TheModelFactory.Create(user));
    }

    return NotFound();
}

Here are my settings in postman: http://localhost:60689/api/Accounts/User/31
Content-Type: application/json
Accept: application/json
Authorization: Bearer N1FL606bmDkZyLplpkLAihaviMQhB042z-rhY262M_W5nSWIv8fDOQiYkEn6GCuDnrxpdOWBS7lpxlBazHYlwnP1RvpDFED1i_ml89QNspyGOWB6TcMkT1MmfUAZ617k9MNvl5UJh2jKzUwvDDeXMURG9tEtmE3UX2L2D-1VA9kqYOzOB1UYbpMAfdTi84jsbR0lhLkNkReQ5fqg4B3IFbbWNGWu5ONb1uuf00ixL-BIMqSvEaNn58_zCyAVFWVzcH2tayYTGT5p_AItKfYiWaYHKC0pDoZ_OBdlpB7Odc7ScwjwFM5vtpBZE81rpk8yjXnrTEk_j9n0eiloJnpWwA

我可以使用 fiddler 来验证正在发送的授权标头。需要注意的另一件事是，当我传入 access_token 以获取未受保护的 /user/username 资源时，我可以中断代码并使用以下设置查看 ClaimsPrincipal：
AuthenticationType: Bearer
IsAuthenticated: true
Name: bbauer

但是，如果我测试 User.IsInRole("Administrator") 它总是错误的。为什么是假的？AspNetUserRole 表有条目，当我获取用户时，我看到他的一个角色是“管理员”......在上帝的绿色地球上，我在这里错过了什么？

如果有帮助，这是我的 Startup 课程：

public class Startup
{
    public static OAuthAuthorizationServerOptions OAuthServerOptions { get; private set; }
    public static OAuthBearerAuthenticationOptions OAuthBearerOptions { get; private set; }
    public static string PublicClientId { get; private set; }

    public void Configuration(IAppBuilder app)
    {
        var httpConfig = new HttpConfiguration();

        ConfigureOAuth(app);

        WebApiConfig.Register(httpConfig);

        app.UseCors(CorsOptions.AllowAll);
        app.UseWebApi(httpConfig);
    }

    public void ConfigureOAuth(IAppBuilder app)
    {
        // Configure the db context and user manager to use a single instance per request
        app.CreatePerOwinContext(ApplicationDbContext.Create);
        app.CreatePerOwinContext<ApplicationUserManager>(ApplicationUserManager.Create);
        app.CreatePerOwinContext<ApplicationRoleManager>(ApplicationRoleManager.Create);

        PublicClientId = "self";
        OAuthServerOptions = new OAuthAuthorizationServerOptions
        {
            AllowInsecureHttp = true,
            TokenEndpointPath = new PathString("/Token"),
            AccessTokenExpireTimeSpan = TimeSpan.FromMinutes(15),
            Provider = new SimpleAuthorizationServerProvider(PublicClientId),
            RefreshTokenProvider = new SimpleRefreshTokenProvider(),
        };

        app.UseOAuthAuthorizationServer(OAuthServerOptions);

        OAuthBearerOptions = new OAuthBearerAuthenticationOptions();
        app.UseOAuthBearerAuthentication(OAuthBearerOptions);
    }
}
4

1 回答 1

0

事实证明，我需要在 SimpleAuthorizationServerProvider 的 GrantResourceOwnerCredentials 方法中向我的 ClaimsIdentity 添加角色。这是代码（见注释部分）：

public override async Task GrantResourceOwnerCredentials(OAuthGrantResourceOwnerCredentialsContext context)
{
    var allowedOrigin = context.OwinContext.Get<string>("as:clientAllowedOrigin") ?? "*";

    context.OwinContext.Response.Headers.Add("Access-Control-Allow-Origin", new[] { allowedOrigin });

    var userManager = context.OwinContext.GetUserManager<ApplicationUserManager>();

    ApplicationUser user = await userManager.FindAsync(context.UserName, context.Password);

    if (user == null)
    {
        context.SetError("invalid_grant", "The user name or password is incorrect.");
        return;
    }

    var identity = new ClaimsIdentity(context.Options.AuthenticationType);
    identity.AddClaim(new Claim(ClaimTypes.Name, context.UserName));
    identity.AddClaim(new Claim("sub", context.UserName));

    //this loop is where the roles are added as claims
    foreach (var role in userManager.GetRoles(user.Id))
    {
        identity.AddClaim(new Claim(ClaimTypes.Role, role));
    }

    var props = new AuthenticationProperties(new Dictionary<string, string>
    {
        {
            "as:client_id", context.ClientId ?? string.Empty
        },
        {
            "userName", context.UserName
        }
    });

    var ticket = new AuthenticationTicket(identity, props);
    context.Validated(ticket);
}
于 2015-07-14T14:09:37.707 回答