public function doLogout()
{
Zing_Cookies::clearCookies('ZAUTH');
Zing_Cookies::clearCookies('acn');
Zing_Cookies::clearCookies('skey');
Zing_Cookies::clearCookies('uin');
$this->_storage->clear();
$this->_identity = null;
}
private function _clearCookie()
{
Zing_Cookies::clearCookies('vngauth');
}
public function clearIdentity()
{
$this->_identity = null;
$this->getStorage()->clear();
Zing_Cookies::clearCookies(self::COOKIE_ADMIN_AUTH_KEY);
}