从其他Azure AD会话缓存的ADAL Azure AD身份验证用户的登录名 [英] ADAL Azure AD Authentication user's login cached from different Azure AD session

问题描述

目前，我正在使用Azure Active Directory进行身份验证以设置在Azure中托管的Web应用程序，几乎解决了所有问题，但仍然存在一个问题。如果用户在访问我的登录页面之前登录了其他目录（在这种情况下，这是大学Office 365电子邮件登录名），则该凭据似乎已缓存，Azure尝试使用该凭据登录我的网站，我可以在每次登录时强制登录屏幕并避免重复使用缓存的凭据吗？

Am currently setting up a web app hosted in Azure using Azure Active Directory for authentication, have almost worked all the kinks out but one issues remains. If a user has logged into a different Directory before hitting my sign-in page (in this case it is a University Office 365 login for email), the credential seems cached and Azure attempts to use it to log into my site, is there a way I can force the login screen on every sign-in and avoid re-use of a cached credential?

项目设置主要是标准的ASP.NET MVC体系结构，默认的Azure Active Directory身份验证设置。

Project setup has been mainly standard, ASP.NET MVC architecture with default Azure Active Directory authentication settings.

谢谢！

带有错误的MS登录页面的屏幕截图

推荐答案

我发布后立即发现了解决方案。实现注销并自动重定向到登录方法。代码如下：

Discovered the solution as soon as I posted. Implemented a signout and self-redirect to the sign-in method. Code is below:

  public void SignIn(bool? signedOut)
    {
        // Send an OpenID Connect sign-in request.
        if (!Request.IsAuthenticated)
        {
            // If the user is currently logged into another directory, log them out then attempt to
            // reauthenticate under this directory
            if (signedOut == null || signedOut == false)
            {
                HttpContext.GetOwinContext().Authentication.SignOut(
            new AuthenticationProperties { RedirectUri = Url.Action("SignIn", "Account", routeValues: new { signedOut = true }, protocol: Request.Url.Scheme) },
            OpenIdConnectAuthenticationDefaults.AuthenticationType, CookieAuthenticationDefaults.AuthenticationType);
            }
            else
            {
                HttpContext.GetOwinContext().Authentication.Challenge(new AuthenticationProperties { RedirectUri = "/" },
                    OpenIdConnectAuthenticationDefaults.AuthenticationType);
            }
        }
    }

仍然感谢！

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