public void SignOut()
{
// clear cache for current user in token cache
TokenManager.ClearUserCache();
// sign out and reidrect to home page
string callbackUrl = Url.Action("Index", "Home", routeValues: null, protocol: Request.Url.Scheme);
HttpContext.GetOwinContext().Authentication.SignOut(
new AuthenticationProperties {
RedirectUri = callbackUrl
},
OpenIdConnectAuthenticationDefaults.AuthenticationType, CookieAuthenticationDefaults.AuthenticationType);
}
