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我们正在考虑将现有的成员资格提供程序修改为 Web 服务以允许远程身份验证。比如说，Windows 8 应用程序将能够接受登录凭据并在我们服务器上的数据库中检查它。

- -更新 - -

我们在 asp.net 网站上查看了视频（Authorization，但发现它仍然使用传统的控制器来执行身份验证/授权任务。视频仅显示我们可以使用[Authorize]属性。有没有办法使用 ApiController 所以身份验证可以公开为 Web 服务以供另一个应用程序使用吗？

---我的更新结束---

我一直在尝试找到一些示例代码/项目，但到目前为止还没有找到。任何人都可以提出解决方案吗？

谢谢。

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1 回答 1

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以下是我通过 WebAPI 进行身份验证的方式 - 它使用 Forms Auth 和 SimpleMembershipProvider。我不是经验丰富的编码员，因此这可能与质量相差甚远，但它应该可以帮助您入门。请注意，这只是验证用户，而不是客户端（api 密钥实现对我来说是一个 TODO）。欢迎反馈。

检查当前客户端/用户是否已通过身份验证：

public class AccountController : ApiController
{
    public static DtoService _service = new DtoService();

    // GET/api/isAuthenticated
    [System.Web.Http.HttpGet]
    public HttpResponseMessage IsAuthenticated()
    {
        try
        {
            if (User.Identity.IsAuthenticated)
                return Request.CreateResponse(HttpStatusCode.OK, WebSecurity.GetUserId(User.Identity.Name));
            else
                return Request.CreateResponse(HttpStatusCode.OK, false);
        }
        catch (Exception e)
        {
            return Request.CreateResponse(HttpStatusCode.InternalServerError, e);
        }

    }

登录：

    // POST /api/login
    // [System.Web.Http.AllowAnonymous]
    [System.Web.Http.HttpPost]
    public HttpResponseMessage LogIn(LoginModel model)
    {
        if (!ModelState.IsValid)
            return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
        try
        {
            if (User.Identity.IsAuthenticated)
                return Request.CreateResponse(HttpStatusCode.Conflict, "already logged in.");
            if (!WebSecurity.UserExists(model.UserName))
                return Request.CreateResponse(HttpStatusCode.BadRequest, "User does not exist.");
            if (WebSecurity.Login(model.UserName, model.Password, persistCookie: model.RememberMe))
            {
                FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                return Request.CreateResponse(HttpStatusCode.OK, "logged in successfully");
            }
            return Request.CreateResponse(HttpStatusCode.BadRequest, "Login Failed.");
        }
        catch (Exception e)
        {
            return Request.CreateResponse(HttpStatusCode.InternalServerError, e);
        }
    }

登出：

    // POST /api/logout
    [System.Web.Http.HttpPost]
    ////[ValidateAntiForgeryToken]
    [Authorize]
    public HttpResponseMessage LogOut()
    {
        try
        {
            if (User.Identity.IsAuthenticated)
            {
                WebSecurity.Logout();
                return Request.CreateResponse(HttpStatusCode.OK, "logged out successfully.");
            }
            return Request.CreateResponse(HttpStatusCode.Conflict, "already done.");
        }
        catch (Exception e)
        {
            return Request.CreateResponse(HttpStatusCode.InternalServerError, e);
        }
    }

登记：

    // POST: /api/register
    [System.Web.Http.HttpPost]
    //[ValidateAntiForgeryToken]
    public HttpResponseMessage Register(RegisterModel model)
    {
        if (!ModelState.IsValid)
        {
            return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
        }
        try
        {
            if (User.Identity.IsAuthenticated)
                return Request.CreateResponse(HttpStatusCode.Conflict, "User Already Registered and Logged In");
            if (WebSecurity.UserExists(model.UserName))
                return Request.CreateResponse(HttpStatusCode.Conflict, "User Already Registered");
            else
            {
                // Attempt to register the user
                WebSecurity.CreateUserAndAccount(model.UserName, model.Password);
                WebSecurity.Login(model.UserName, model.Password);
                InitiateDatabaseForNewUser(WebSecurity.GetUserId(model.UserName));

                FormsAuthentication.SetAuthCookie(model.UserName, createPersistentCookie: false);
                return Request.CreateResponse(HttpStatusCode.Created, WebSecurity.GetUserId(model.UserName));
            }

        }
        catch (Exception e)
        {
            return Request.CreateResponse(HttpStatusCode.InternalServerError, e);
        }

    }
}
于 2013-04-24T14:06:05.627 回答