public function accesofb($social)
 {
     $cfg = Configuracion::getConfiguracion('social_login');
     $app_id = '';
     $app_secret = '';
     $app_cb = '';
     $url = '';
     $oauthObj = null;
     if (isset($social) && $social == 'face') {
         $app_id = $cfg['FB_APP_ID'];
         $app_secret = $cfg['FB_APP_SECRET'];
         $app_cb = $cfg['FB_APP_CB'];
         $url = $cfg['FB_APP_INFO'];
         $oauthObj = new Facebook($app_id, $app_secret, $app_cb);
     } else {
         if (isset($social) && $social == 'twitter') {
             $app_id = $cfg['TW_APP_ID'];
             $app_secret = $cfg['TW_APP_SECRET'];
             $app_cb = $cfg['TW_APP_CB'];
             $url = $cfg['TW_APP_INFO'];
             $oauthObj = new Twitter($app_id, $app_secret, $app_cb);
         } else {
             if (isset($social) && $social == 'google') {
                 $app_id = $cfg['GO_APP_ID'];
                 $app_secret = $cfg['GO_APP_SECRET'];
                 $app_cb = $cfg['GO_APP_CB'];
                 $url = $cfg['GO_APP_INFO'];
                 $oauthObj = new Google($app_id, $app_secret, $app_cb);
             }
         }
     }
     $scope = array('email');
     $oauthObj->setScope($scope);
     if ($oauthObj->validateAccessToken()) {
         try {
             $response = $oauthObj->makeRequest($url);
             $this->verificarAutenticacion($social, $response);
         } catch (Exception $e) {
             echo $e;
         }
     }
 }