private async Task <AuthenticatedUser> AssociateCredential(AuthenticatedUser user)
{
var result = await AuthService.ReadExternalLoginCredential(OwinContext);
if (result.ExternalIdentity == null)
{
// User got here without an external login cookie (or an expired one)
// Send them to the logon action
return(null);
}
await AuthService.AddCredential(user.User, result.Credential);
// Notify the user of the change
MessageService.SendCredentialAddedNotice(user.User, result.Credential);
return(new AuthenticatedUser(user.User, result.Credential));
}