public function authenticate(CakeRequest $request, CakeResponse $response)
{
$this->loadSettings();
$session = new CakeSession();
if (isset($request->query) && isset($request->query['code']) && isset($request->query['state'])) {
if ($request->query['state'] == $session->read('state')) {
$token_url = "https://graph.facebook.com/oauth/access_token?" . "client_id=" . $this->settings["app_id"] . "&redirect_uri=" . urlencode($this->settings["url"]) . "&client_secret=" . $this->settings["app_secret"] . "&code=" . $request->query['code'];
//TODO: use cake method to make request
$response = file_get_contents($token_url);
$params = null;
parse_str($response, $params);
if (isset($params['access_token'])) {
// Saves acces_token in Session
//TODO: use cake method to save in session
$_SESSION['access_token'] = $params['access_token'];
// Get's user data from Facebook
App::uses('FacebookUser', 'Facebook.Model');
$FacebookUser = new FacebookUser();
$FacebookUser->recursive = -1;
$fb_user = $FacebookUser->getLoginData();
// Checks if user exists, if not saves it in db
App::uses('User', 'Model');
$User = new User();
$user = $User->find("first", array("conditions" => array("User.uid" => $fb_user['FacebookUser']['uid'])));
if (empty($user)) {
$user = $FacebookUser->parseDataForDb($fb_user);
$User->create();
$User->save($user);
$user["User"]["id"] = $User->getLastInsertID();
}
return $user["User"];
}
}
}
return false;
}