protected function fetchAttributes()
{
$info = $this->makeSignedRequest('http://api.odnoklassniki.ru/fb.do', array('query' => array('method' => 'users.getCurrentUser', 'format' => 'JSON', 'application_key' => $this->client_public, 'client_id' => $this->client_id)));
$this->attributes = json_decode(json_encode($info), true);
$this->attributes['id'] = $info->uid;
$this->attributes['name'] = $info->first_name . ' ' . $info->last_name;
}