c# - 表单和 Azure AD 身份验证

Question

我正在尝试开发一个可以支持 Azure AD 身份验证和表单例份验证的 MVC ASP.NET C# 应用程序。

我阅读了相关内容并得出以下结论:

我有一个用于表单例份验证的登录表单和一个将我重定向到 Azure AD 登录的按钮。

我登录 AD 后，它会自动将我重定向到 http://localhost/login.aspx?ReturnUrl=%2f .

使用以下代码:

启动.cs

public partial class Startup
    {
        private static string clientId = ConfigurationManager.AppSettings["ida:ClientId"];
        private static string aadInstance = ConfigurationManager.AppSettings["ida:AADInstance"];
        private static string tenant = ConfigurationManager.AppSettings["ida:Tenant"];
        private static string postLogoutRedirectUri = ConfigurationManager.AppSettings["ida:PostLogoutRedirectUri"];

        string authority = String.Format(CultureInfo.InvariantCulture, aadInstance, tenant);

        public void ConfigureAuth(IAppBuilder app)
        {
            app.SetDefaultSignInAsAuthenticationType(CookieAuthenticationDefaults.AuthenticationType);

            app.UseCookieAuthentication(new CookieAuthenticationOptions());

            app.UseOpenIdConnectAuthentication(
                new OpenIdConnectAuthenticationOptions
                {
                    ClientId = clientId,
                    Authority = authority,
                    PostLogoutRedirectUri = postLogoutRedirectUri,
                    RedirectUri = postLogoutRedirectUri,
                    Notifications = new OpenIdConnectAuthenticationNotifications
                    {
                        AuthenticationFailed = context => 
                        {
                            context.HandleResponse();
                            context.Response.Redirect("/Error?message=" + context.Exception.Message);
                            return Task.FromResult(0);
                        }
                    }
                });
        }
    }

AccountController.cs

public void SignIn()
        {
            // Send an OpenID Connect sign-in request.
            if (!Request.IsAuthenticated)
            {
                HttpContext.GetOwinContext().Authentication.Challenge(new AuthenticationProperties { RedirectUri = "/" }, OpenIdConnectAuthenticationDefaults.AuthenticationType);
            }
        }
        public void SignOut()
        {
            // Send an OpenID Connect sign-out request.
            HttpContext.GetOwinContext().Authentication.SignOut(
                OpenIdConnectAuthenticationDefaults.AuthenticationType, CookieAuthenticationDefaults.AuthenticationType);
        }

        public void EndSession()
        {
            // If AAD sends a single sign-out message to the app, end the user's session, but don't redirect to AAD for sign out.
            HttpContext.GetOwinContext().Authentication.SignOut(CookieAuthenticationDefaults.AuthenticationType);
        }

我的问题是为什么它会将我重定向到 http://localhost/login.aspx?ReturnUrl=%2f ，假设该应用程序是 MVC 并且我的项目中没有 aspx。

Answer 1

默认情况下，表单例份验证的登录 URL 是 Login.aspx。您可以在 web.config 中指定 Windows 窗体身份验证的登录 URL:

<authentication mode="Forms">
  <forms loginUrl="/account/signin" defaultUrl="/" />
</authentication>

更多信息:FormsAuthentication.LoginUrl Property