问Owin持有者令牌认证+授权控制器

EN

public class Startup
{
    public static OAuthAuthorizationServerOptions OAuthOptions { get; private set; }

    // normal
    public Startup() : this(false) { }

    // testing
    public Startup(bool isDev)
    {
        // add settings
        Settings.Configure(isDev);

        OAuthOptions = new OAuthAuthorizationServerOptions
        {
            AllowInsecureHttp = true,
            TokenEndpointPath = new PathString("/Token"),
            AccessTokenExpireTimeSpan = TimeSpan.FromDays(1),
            Provider = new AuthorizationServerProvider()
        };
    }

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

        var config = new HttpConfiguration();
        WebApiConfig.Register(config);
        app.UseWebApi(config);

        // token generation
        app.UseOAuthAuthorizationServer(OAuthOptions);
        app.UseOAuthBearerAuthentication(new OAuthBearerAuthenticationOptions
        {
            AuthenticationType = "Bearer",
            AuthenticationMode = AuthenticationMode.Active
        });
    }
}

public class AuthorizationServerProvider : OAuthAuthorizationServerProvider
{
    public override async Task ValidateClientAuthentication(OAuthValidateClientAuthenticationContext context)
    {
        context.Validated();
    }

    public override async Task GrantResourceOwnerCredentials(OAuthGrantResourceOwnerCredentialsContext context)
    {
        context.OwinContext.Response.Headers.Add("Access-Control-Allow-Origin", new[] { "*" });
        var userManager = context.OwinContext.GetUserManager<ApplicationUserManager>();

        IdentityUser 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("sub", context.UserName));
        identity.AddClaim(new Claim("role", "user"));

        context.Validated(identity);
    }
}

public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.MapHttpAttributeRoutes();

        // enable CORS for all hosts, headers and methods
        var cors = new EnableCorsAttribute("*", "*", "*");
        config.EnableCors(cors);

        config.Routes.MapHttpRoute(
            name: "optional params",
            routeTemplate: "api/{controller}"
        );

        config.Routes.MapHttpRoute(
            name: "Default",
            routeTemplate: "api/{controller}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );

        // stop cookie auth
        config.SuppressDefaultHostAuthentication();
        // add token bearer auth
        config.Filters.Add(new MyAuthenticationFilter());
        //config.Filters.Add(new HostAuthenticationFilter(Startup.OAuthOptions.AuthenticationType));

        config.Filters.Add(new ValidateModelAttribute());

        if (Settings.IsDev == false)
        {
            config.Filters.Add(new AuthorizeAttribute());
        }

        // make properties on model camelCased
        var jsonFormatter = config.Formatters.OfType<JsonMediaTypeFormatter>().First();
        jsonFormatter.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();

        config.Formatters.JsonFormatter.SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/html"));
    }

public class MyAuthenticationFilter : ActionFilterAttribute, IAuthenticationFilter
{
    public Task AuthenticateAsync(HttpAuthenticationContext context, CancellationToken cancellationToken)
    {
        if (context.Principal != null && context.Principal.Identity.IsAuthenticated)
        {
        }

        return Task.FromResult(0);
    }

    public Task ChallengeAsync(HttpAuthenticationChallengeContext context, CancellationToken cancellationToken)
    {
        throw new System.NotImplementedException();
    }
}

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