public function autoLogin($user)
{
$identity = new UserIdentity($user->username, "");
$identity->authenticate();
$identity->social($user->username);
if ($identity->errorCode == UserIdentity::ERROR_NONE) {
$duration = 3600 * 24 * 30;
// 30 days
Yii::app()->user->login($identity, $duration);
$this->redirect("/profile/u/" . $user->username);
} else {
echo $identity->errorCode;
}
}