控制器中的 MVC 身份验证

Question

我们正在尝试做一些有登录屏幕的网站。但是我们有一个问题。我们的域是 localhost/Login/User。但是如果用户输入 localhost/Home/Index，他/她可以在没有登录的情况下访问我们的主站点。所以我们将 [Authorize] 写入我们的索引控制器。但我找不到我必须使用什么。我必须在我们的项目中使用 AuthorizeAttribute 吗？

#Login Page
public class LoginController : Controller
{
     //GET: Login
    [IntranetAction]
    public ActionResult Users()
    {
        return View();
    }

    public ActionResult Authentication(UserLoginInfo loginInfo)
    {
        bool isAuthenticated = new LdapServiceManager().isAuthenticated(loginInfo);


        if (isAuthenticated)
        {
            //AUTHORIZED
            Session["userName"] = loginInfo.username;
            return Redirect("/Home/Index");
        }
        //WORNG PASSWORD, BACK TO LOGIN PAGE
        TempData["message"] = "Yanlış kullanıcı adı ya da şifre";
        return Redirect("/");
    }
}

索引页

[Authorize]
public ActionResult Index()
{
    Session["ip"] = Request.UserHostAddress;
    if (IsDbExists())
    {
        _contactList = new List<Contact>();
        UpdateOperations();
        return View(_contactList);
    }

    Response.Redirect("/Loading/LoadingScreen");
    return null;
}

如何在我的 LoginController/Authentication 函数中访问索引

Answer 1

添加 [AllowAnonymous] 属性。我将添加另一个名为 AuthController 的控制器，该控制器将具有 [AllowAnonymous] 属性，因此用户无需实际登录即可登录。

我通常会默认过滤所有控制器，并将 [AllowAnonymous] 属性添加到任何人都可以访问的控制器。

我用这个来处理那个。

using System.Web.Mvc;

namespace Test
{
    public class FilterConfig
    {
        public static void RegisterGlobalFilters(GlobalFilterCollection filters)
        {
            filters.Add(new HandleErrorAttribute());
            filters.Add(new AuthorizeAttribute());
        }
    }
}

AuthController 中的 [AllowAnonymous] 属性示例。

using System.Security.Claims;
using System.Web;
using System.Web.Mvc;
using BusinessLogic.Services;
using Common.Models;
using Microsoft.AspNet.Identity;
using Microsoft.Owin.Security;

namespace Test.Controllers
{
    [AllowAnonymous]
    public class AuthController : Controller
    {
        private readonly IUsersService _usersService;

        public AuthController(IUsersService usersService)
        {
            _usersService = usersService;
        }

        [HttpGet]
        public ActionResult LogIn()
        {
            return View();
        }

        [HttpPost]
        public ActionResult LogIn(LoginModel loginModel)
        {
            if (!ModelState.IsValid)
            {
                return View();
            }

            var isValid = _usersService.AuthenticateUser(loginModel);
            if (isValid)
            {
                var identity = new ClaimsIdentity(new[]
                {
                    new Claim(ClaimTypes.NameIdentifier, loginModel.Username),
                    new Claim(ClaimTypes.Name, loginModel.Username),
                }, DefaultAuthenticationTypes.ApplicationCookie);

                Request.GetOwinContext().Authentication.SignIn(new AuthenticationProperties() { IsPersistent = false }, identity);

                return Redirect(GetRedirectUrl(loginModel.ReturnUrl));
            }

            ModelState.AddModelError("", "Invalid credentials");
            return View();
        }

        public ActionResult LogOut()
        {
            var ctx = Request.GetOwinContext();
            var authManager = ctx.Authentication;

            authManager.SignOut("ApplicationCookie");
            return RedirectToAction("index", "home");
        }

        private string GetRedirectUrl(string returnUrl)
        {
            if (string.IsNullOrEmpty(returnUrl) || !Url.IsLocalUrl(returnUrl))
            {
                return Url.Action("index", "home");
            }
            return returnUrl;
        }
    }



}

可能对您有所帮助的参考资料： http://benfoster.io/blog/aspnet-identity-stripped-bare-mvc-part-1

https://softwareengineering.stackexchange.com/questions/284380/is-formsauthentication-obsolete

Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC

https://www.owasp.org/index.php/.NET_Security_Cheat_Sheet