public async Task <IActionResult> OnGetCallbackAsync(string returnUrl = null)
{
switch (await _signInManager.EndSignInAsync(HttpContext, true))
{
case SignInStatus.Success:
if (returnUrl != null)
{
return(LocalRedirect(returnUrl));
}
return(RedirectToPage("/Index"));
case SignInStatus.NoExternalCookie:
break;
case SignInStatus.InvalidUser:
ModelState.AddModelError(string.Empty, "Not a valid user. A valid DCCN account is required.");
break;
case SignInStatus.InvalidStatus:
ModelState.AddModelError(string.Empty, "Your account has not yet been fully activated. Please make sure you finish the check-in procedure. For more information you can contact DCCN/CNS administration.");
break;
default:
throw new ArgumentOutOfRangeException();
}
return(Page());
}