在C#中进行Owin令牌授权后调用函数处理程序

using Microsoft.Owin;
using Microsoft.Owin.Security.OAuth;
using Owin;
using System;
using System.Web.Http;

public class Startup
{
    public void Configuration(IAppBuilder app)
    {
        // 配置令牌授权
        ConfigureOAuth(app);

        // 配置Web API路由
        HttpConfiguration config = new HttpConfiguration();
        config.Routes.MapHttpRoute(
            name: "DefaultApi",
            routeTemplate: "api/{controller}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );

        app.UseWebApi(config);
    }

    public void ConfigureOAuth(IAppBuilder app)
    {
        OAuthAuthorizationServerOptions options = new OAuthAuthorizationServerOptions
        {
            AllowInsecureHttp = true,
            TokenEndpointPath = new PathString("/token"),
            AccessTokenExpireTimeSpan = TimeSpan.FromMinutes(30),
            Provider = new MyAuthorizationServerProvider()
        };

        // 使用Bearer令牌验证
        app.UseOAuthBearerAuthentication(new OAuthBearerAuthenticationOptions());

        // 配置令牌授权服务器
        app.UseOAuthAuthorizationServer(options);
    }
}

public class MyAuthorizationServerProvider : OAuthAuthorizationServerProvider
{
    public override Task ValidateClientAuthentication(OAuthValidateClientAuthenticationContext context)
    {
        // 验证客户端身份
        context.Validated();
        return Task.FromResult<object>(null);
    }

    public override Task GrantResourceOwnerCredentials(OAuthGrantResourceOwnerCredentialsContext context)
    {
        // 验证用户身份
        if (context.UserName == "admin" && context.Password == "password")
        {
            var identity = new ClaimsIdentity(context.Options.AuthenticationType);
            identity.AddClaim(new Claim(ClaimTypes.Name, context.UserName));
            context.Validated(identity);
        }
        else
        {
            context.SetError("invalid_grant", "The username or password is incorrect.");
        }

        return Task.FromResult<object>(null);
    }
}

[Authorize]
public class MyController : ApiController
{
    [HttpGet]
    [Route("api/my")]
    public IHttpActionResult Get()
    {
        // 处理请求
        return Ok("Hello, World!");
    }
}