SharePoint 2013 form authentication logout user credential

Find a sign out method for Sharepoint 2013 form authentication on the Internet, which is verified and valid. The method is as follows:

Private voidremovecookiesandsignout ()

{

// Clear sessionstate.

If (context. session! = NULL)

{

Context. session. Clear ();

}

String cookievalue = string. empty;

If (context. Request. browser ["supportsemptystringincookievalue"] = "false ")

Cookievalue = "nocookie ";

// Clear my owncookie.

Httpcookie cookiewinsignin = context. Request. Cookies ["morpheus_windowssignedin"];

If (cookiewinsignin! = NULL)

{

Cookiewinsignin. value = cookievalue;

Context. response. Cookies. Remove ("morpheus_windowssignedin ");

Context. response. Cookies. Add (cookiewinsignin );

}

// Remove cookiesfor authentication.

Httpcookie cookiesession = context. Request. Cookies ["wss_keepsessionauthenticated"];

If (cookiesession! = NULL)

{

Cookiesession. value = cookievalue;

Context. response. Cookies. Remove ("wss_keepsessionauthenticated ");

Context. response. Cookies. Add (cookiesession );

}

 

Httpcookie cookiepersist = context. Request. Cookies ["msowebpartpage_anonymousaccesscookie"];

If (cookiepersist! = NULL)

{

Cookiepersist. value = cookievalue;

Cookiepersist. expires = newdatetime (1970, 1, 1 );

Context. response. Cookies. Remove ("msowebpartpage_anonymousaccesscookie ");

Context. response. Cookies. Add (cookiepersist );

}

// Sign out.

Microsoft. identitymodel. Web. federatedauthentication. sessionauthenticationmodule. signout ();

}

You need to reference the following dll:

C: \ windows \ Microsoft. NET \ Assembly \ gac_msil \ Microsoft. Sharepoint. identitymodel \ v4.0 _ 15.0.0.0 _ 71e9bce111e9429c \ microsoft. Sharepoint. identitymodel. dll

C: \ Program Files (x86) \ reference assemblies \ Microsoft \ framework \. netframework \ v4.5 \ system. identitymodel. dll

C: \ Program Files \ reference assemblies \ Microsoft \ Windows identity Foundation \ v3.5 \ microsoft. identitymodel. dll

Page inheritanceIdentitymodelsigninpagebaseClass.