public static function getCode()
{
$antiAttack = self::getInstance();
if (self::$_code != '') {
return self::$_code;
}
$select = $antiAttack->_dbTable->select()->where("ip = ?", $_SERVER['REMOTE_ADDR'])->where("CURRENT_TIMESTAMP < TIMESTAMP(timestamp, '00:15:00')");
$ip = substr(long2ip(ip2long($_SERVER['REMOTE_ADDR'])), 0, -2) . '%';
$select->orWhere("ip LIKE ?", $ip)->where("CURRENT_TIMESTAMP < TIMESTAMP(timestamp, '00:05:00')");
$loggedMetaInfo = $antiAttack->_dbTable->fetchAll($select);
//avoid DoS attacks...
//And if something happens with the connection with
//the database, it may be handy also.
if (!is_object($loggedMetaInfo)) {
$behavior = Ml_Model_AntiAttack::ACCESS_FORBIDDEN;
} else {
$loggedMetaInfoData = $loggedMetaInfo->toArray();
$size = sizeof($loggedMetaInfoData);
if ($size > 250) {
$behavior = Ml_Model_AntiAttack::ACCESS_FORBIDDEN;
} else {
if ($size > 8) {
$behavior = Ml_Model_AntiAttack::ACCESS_ENSURE_HUMAN;
} else {
//It defaults to ACCESS_FREE
$behavior = Ml_Model_AntiAttack::ACCESS_FREE;
}
}
}
self::$_code = $behavior;
return $behavior;
}
