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vendor/symfony/http-foundation/RequestMatcher/IpsRequestMatcher.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\RequestMatcher;
+
+use Symfony\Component\HttpFoundation\IpUtils;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestMatcherInterface;
+
+/**
+ * Checks the client IP of a Request.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class IpsRequestMatcher implements RequestMatcherInterface
+{
+    private array $ips;
+
+    /**
+     * @param string[]|string $ips A specific IP address or a range specified using IP/netmask like 192.168.1.0/24
+     *                             Strings can contain a comma-delimited list of IPs/ranges
+     */
+    public function __construct(array|string $ips)
+    {
+        $this->ips = array_reduce((array) $ips, static fn (array $ips, string $ip) => array_merge($ips, preg_split('/\s*,\s*/', $ip)), []);
+    }
+
+    public function matches(Request $request): bool
+    {
+        if (!$this->ips) {
+            return true;
+        }
+
+        return IpUtils::checkIp($request->getClientIp() ?? '', $this->ips);
+    }
+}