/**
* @return Zend_Auth_Result
*/
public function authenticate()
{
$result = AdminUser::checkCredencials($this->_identity, $this->_credential);
if (is_array($result)) {
return new Zend_Auth_Result(Zend_Auth_Result::SUCCESS, $result);
} elseif ($result === false) {
return new Zend_Auth_Result(Zend_Auth_Result::FAILURE_CREDENTIAL_INVALID, null);
} elseif (is_null($result)) {
return new Zend_Auth_Result(Zend_Auth_Result::FAILURE_IDENTITY_NOT_FOUND, null);
} else {
return new Zend_Auth_Result(Zend_Auth_Result::FAILURE, null);
}
}