public async Task <ActionResult> EnableTwoFactorAuthentication()
{
await UserManager.SetTwoFactorEnabledAsync(User.Identity.GetUserId(), true);
var user = await UserManager.FindByIdAsync(User.Identity.GetUserId());
if (user != null)
{
await SignInManager.SignInAsync(user, isPersistent : false, rememberBrowser : false);
}
return(RedirectToAction("Index", "Manage"));
}