public async Task <IActionResult> OnGetCallback()
{
var result = await HttpContext.AuthenticateAsync(IdentityConstants.ExternalScheme);
if (result?.Succeeded != true)
{
throw new Exception("External authentication error");
}
var(user, provider, providerUserId, claims) = await FindUserFromExternalProviderAsync(result);
var returnUrl = result.Properties.Items["returnUrl"];
if (user == null)
{
var email = result.Principal.Claims.FindEmail();
if (email != null && (user = await _userManager.FindByEmailAsync(email)) == null)
{
// no user found, just add the login to the current user
var currentUser = await _userManager.GetUserAsync(User);
await TryConnectExternalLoginToUser(currentUser, providerUserId, result);
return(ReturnToUrl(returnUrl));
}
}
// either we have:
// * identified a user with the remote login or
// * the remote login has an email that matches a local user record or
// * we have not found any matching user because missing email claim
return(await HandleMerge(user, returnUrl));
}
public async Task <IActionResult> OnGetAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return(NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'."));
}
//CurrentLogins = await _userManager.GetLoginsAsync(user);
// Updated line
CurrentLogins = (await _userManager.GetLoginsEmailInfoAsync(user)).ToList();
OtherLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync())
// Upated line
//.Where(auth => CurrentLogins.All(ul => auth.Name != ul.LoginProvider))
.ToList();
ShowRemoveButton = user.PasswordHash != null || CurrentLogins.Count > 1;
return(Page());
}
public async Task <IActionResult> OnGetAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return(NotFound($"Unable to load user with ID '{_userManager.GetUserId(User)}'."));
}
Emails = _userManager.GetEmails(user);
return(Page());
}