if (_requiresAuthentication)
{
if (!User.Identity.IsAuthenticated)
FormsAuthentication.RedirectToLoginPage();
// check authorization for restricted pages only
if (_isRestrictedPage) AuthorizePageAndButtons();
}
用户仍然可以浏览您的网站,因为当您调用 FormsAuthentication.SignOut()时,Cookie 不会被清除,而且它们在每个新请求中都会被验证。在 MS 文档中说,cookie 将被清除,但他们没有,错误?
它与 Session.Abandon()完全一样,饼干仍然存在。
您应该将您的代码更改为:
FormsAuthentication.SignOut();
Session.Abandon();
// clear authentication cookie
HttpCookie cookie1 = new HttpCookie(FormsAuthentication.FormsCookieName, "");
cookie1.Expires = DateTime.Now.AddYears(-1);
Response.Cookies.Add(cookie1);
// clear session cookie (not necessary for your current problem but i would recommend you do it anyway)
SessionStateSection sessionStateSection = (SessionStateSection)WebConfigurationManager.GetSection("system.web/sessionState");
HttpCookie cookie2 = new HttpCookie(sessionStateSection.CookieName, "");
cookie2.Expires = DateTime.Now.AddYears(-1);
Response.Cookies.Add(cookie2);
FormsAuthentication.RedirectToLoginPage();
public ActionResult LogOff()
{
FormsAuthentication.SignOut();
Session.Clear(); // This may not be needed -- but can't hurt
Session.Abandon();
// Clear authentication cookie
HttpCookie rFormsCookie = new HttpCookie( FormsAuthentication.FormsCookieName, "" );
rFormsCookie.Expires = DateTime.Now.AddYears( -1 );
Response.Cookies.Add( rFormsCookie );
// Clear session cookie
HttpCookie rSessionCookie = new HttpCookie( "ASP.NET_SessionId", "" );
rSessionCookie.Expires = DateTime.Now.AddYears( -1 );
Response.Cookies.Add( rSessionCookie );
2. Phil Haselden gave the example above of how to prevent caching after logout:
You need to Invalidate the Cache on the Client Side via the Response.
// Invalidate the Cache on the Client Side
Response.Cache.SetCacheability( HttpCacheability.NoCache );
Response.Cache.SetNoStore();
// Redirect to the Home Page (that should be intercepted and redirected to the Login Page first)
return RedirectToAction( "Index", "Home" );
}