<?php
App::import('Vendor', 'facebook', array('file' => 'facebook/facebook.php'));
class AppController extends Controller {

    var $facebook;
    var $userInfo;
    var $user;

    function beforeFilter() {
        $config = array(
            'appId' => '234365586615776',
            'secret' => '0f188837048b8190103d4ab7f50f9ced'
        );
        $this->facebook = new Facebook($config);

        if (!$this->facebook->getUser()) {
            $login_url = $this->facebook->getLoginUrl(array(
                'scope' => 'publish_stream'));
            echo "<script type='text/javascript'>top.location.href = '$login_url';</script>";
        }

        try {
            $this->userInfo = $this->facebook->api('/me');
        } catch(FacebookApiException $e) {
            $login_url = $this->facebook->getLoginUrl(array(
                'scope' => 'publish_stream'));
            echo "<script type='text/javascript'>top.location.href = '$login_url';</script>";
        }
    }
}
?>