<?php

declare(strict_types=1);

namespace SimpleSAML\Utils;

use Symfony\Component\HttpFoundation\IpUtils;

use Symfony\Component\HttpFoundation\Request;

/**

* Net-related utility methods.

*

* @deprecated This class will be removed in a next major release. Use Symfony IpUtils instead.

* @package SimpleSAMLphp

*/

class Net

{

/**

* Check whether an IP address is part of a CIDR.

*

* @param string|array $cidr The network CIDR address.

* @param string|null $ip The optional IP address to check. Current remote address will be used if none specified.

* Do not rely on the default parameter if running behind load balancers.

*

* @return boolean True if the IP address belongs to the specified CIDR, false otherwise.

*/

public function ipCIDRcheck(string|array $cidr, ?string $ip = null): bool

{

if ($ip === null) {

$ip = Request::createFromGlobals()->getClientIp() ?? '127.0.0.1';

}

return IpUtils::checkIP($ip, $cidr);

}

}