<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Backend\Model\Validator;
/**
* Class to validate list of IPs for maintenance commands
*/
class IpValidator
{
/**
* @var string[]
*/
private $none;
/**
* @var string[]
*/
private $validIps;
/**
* @var string[]
*/
private $invalidIps;
/**
* Validates list of ips
*
* @param string[] $ips
* @param bool $noneAllowed
* @return string[]
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*/
public function validateIps(array $ips, $noneAllowed)
{
$this->none = [];
$this->validIps = [];
$this->invalidIps = [];
$messages = [];
$this->filterIps($ips);
if (count($this->none) > 0 && !$noneAllowed) {
$messages[] = "'none' is not allowed";
} elseif ($noneAllowed && count($this->none) > 1) {
$messages[] = "'none' can be only used once";
} elseif ($noneAllowed && count($this->none) > 0 &&
(count($this->validIps) > 0 || count($this->invalidIps) > 0)
) {
$messages[] = "Multiple values are not allowed when 'none' is used";
} else {
foreach ($this->invalidIps as $invalidIp) {
$messages[] = "Invalid IP $invalidIp";
}
}
return $messages;
}
/**
* Filter ips into 'none', valid and invalid ips
*
* @param string[] $ips
* @return void
*/
private function filterIps(array $ips)
{
foreach ($ips as $ip) {
if (filter_var($ip, FILTER_VALIDATE_IP)) {
$this->validIps[] = $ip;
} elseif ($ip == 'none') {
$this->none[] = $ip;
} else {
$this->invalidIps[] = $ip;
}
}
}
}
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