/**
* Displays the login page
*/
public function actionLogin($service = null)
{
if ($service && isset(Yii::app()->eauth)) {
/** @var EAuth $eauth */
$eauth = Yii::app()->eauth;
$serviceIdentity = $eauth->getIdentity($service);
$serviceIdentity->redirectUrl = Yii::app()->user->returnUrl;
$serviceIdentity->cancelUrl = $this->createAbsoluteUrl('/login');
try {
if ($serviceIdentity->authenticate() && $serviceIdentity->getIsAuthenticated()) {
if (Yii::app()->user->isGuest) {
$userOauth = UserOauth::model()->find('service = :service AND foreign_id = :id', array('service' => $service, 'id' => $serviceIdentity->getId()));
if ($userOauth) {
/** @var User $user */
$user = $userOauth->user;
$userIdentity = new EAuthUserIdentity($serviceIdentity, $user);
Yii::app()->user->login($userIdentity);
$serviceIdentity->redirect();
} else {
$eauthSession = isset(Yii::app()->session['eauth']) ? Yii::app()->session['eauth'] : array();
$eauthSession[$service] = $serviceIdentity->getAttributes();
Yii::app()->session['eauth'] = $eauthSession;
$this->redirect(Yii::app()->getModule('user')->registrationUrl);
}
} else {
/** @var User $user */
$exists = false;
$user = User::model()->findByPk(Yii::app()->user->id);
foreach ($user->userOauths as $userOauth) {
if ($userOauth->service == $service && $userOauth->foreign_id == $serviceIdentity->getId()) {
$exists = true;
}
}
if (!$exists) {
$userOauth = new UserOauth();
$userOauth->service = $service;
$userOauth->foreign_id = $serviceIdentity->getId();
$userOauth->user_id = $user->id;
$userOauth->save();
$user->resetCache();
}
}
}
// Something went wrong, redirect to login page
$this->redirect(array('/login'));
} catch (EAuthException $e) {
// save authentication error to session
Yii::app()->user->setFlash('error', 'EAuthException: ' . $e->getMessage());
// close popup window and redirect to cancelUrl
$serviceIdentity->redirect($serviceIdentity->getCancelUrl());
}
}
if (Yii::app()->user->isGuest) {
$model = new UserLogin();
// collect user input data
if (isset($_POST['UserLogin'])) {
$model->attributes = $_POST['UserLogin'];
// validate user input and redirect to previous page if valid
if ($model->validate()) {
$user = $this->lastViset();
if (Yii::app()->request->isAjaxRequest) {
echo json_encode($user->getUserData);
exit;
}
if (Yii::app()->user->returnUrl == '/index.php') {
$this->redirect(Yii::app()->controller->module->returnUrl);
} else {
$this->redirect(Yii::app()->user->returnUrl);
}
}
}
// display the login form
$this->render('/user/login', array('model' => $model));
} else {
$this->redirect(Yii::app()->controller->module->returnUrl);
}
}
