Initial Drupal 11 with DDEV setup

vendor/symfony/validator/Constraints/IpValidator.php

@@ -0,0 +1,95 @@
+<?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\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\Validator\Exception\UnexpectedValueException;
+
+/**
+ * Validates whether a value is a valid IP address.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ * @author Joseph Bielawski <stloyd@gmail.com>
+ * @author Ninos Ego <me@ninosego.de>
+ */
+class IpValidator extends ConstraintValidator
+{
+    /**
+     * Checks whether an IP address is valid.
+     *
+     * @internal
+     */
+    public static function checkIp(string $ip, mixed $version): bool
+    {
+        $flag = match ($version) {
+            Ip::V4, Ip::V4_NO_PUBLIC, Ip::V4_ONLY_PRIVATE, Ip::V4_ONLY_RESERVED => \FILTER_FLAG_IPV4,
+            Ip::V6, Ip::V6_NO_PUBLIC, Ip::V6_ONLY_PRIVATE, Ip::V6_ONLY_RESERVED => \FILTER_FLAG_IPV6,
+            Ip::V4_NO_PRIVATE => \FILTER_FLAG_IPV4 | \FILTER_FLAG_NO_PRIV_RANGE,
+            Ip::V6_NO_PRIVATE => \FILTER_FLAG_IPV6 | \FILTER_FLAG_NO_PRIV_RANGE,
+            Ip::ALL_NO_PRIVATE => \FILTER_FLAG_NO_PRIV_RANGE,
+            Ip::V4_NO_RESERVED => \FILTER_FLAG_IPV4 | \FILTER_FLAG_NO_RES_RANGE,
+            Ip::V6_NO_RESERVED => \FILTER_FLAG_IPV6 | \FILTER_FLAG_NO_RES_RANGE,
+            Ip::ALL_NO_RESERVED => \FILTER_FLAG_NO_RES_RANGE,
+            Ip::V4_ONLY_PUBLIC => \FILTER_FLAG_IPV4 | \FILTER_FLAG_NO_PRIV_RANGE | \FILTER_FLAG_NO_RES_RANGE,
+            Ip::V6_ONLY_PUBLIC => \FILTER_FLAG_IPV6 | \FILTER_FLAG_NO_PRIV_RANGE | \FILTER_FLAG_NO_RES_RANGE,
+            Ip::ALL_ONLY_PUBLIC => \FILTER_FLAG_NO_PRIV_RANGE | \FILTER_FLAG_NO_RES_RANGE,
+            default => 0,
+        };
+
+        if (!filter_var($ip, \FILTER_VALIDATE_IP, $flag)) {
+            return false;
+        }
+
+        $inverseFlag = match ($version) {
+            Ip::V4_NO_PUBLIC, Ip::V6_NO_PUBLIC, Ip::ALL_NO_PUBLIC => \FILTER_FLAG_NO_PRIV_RANGE | \FILTER_FLAG_NO_RES_RANGE,
+            Ip::V4_ONLY_PRIVATE, Ip::V6_ONLY_PRIVATE, Ip::ALL_ONLY_PRIVATE => \FILTER_FLAG_NO_PRIV_RANGE,
+            Ip::V4_ONLY_RESERVED, Ip::V6_ONLY_RESERVED, Ip::ALL_ONLY_RESERVED => \FILTER_FLAG_NO_RES_RANGE,
+            default => 0,
+        };
+
+        if ($inverseFlag && filter_var($ip, \FILTER_VALIDATE_IP, $inverseFlag)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    public function validate(mixed $value, Constraint $constraint): void
+    {
+        if (!$constraint instanceof Ip) {
+            throw new UnexpectedTypeException($constraint, Ip::class);
+        }
+
+        if (null === $value || '' === $value) {
+            return;
+        }
+
+        if (!\is_scalar($value) && !$value instanceof \Stringable) {
+            throw new UnexpectedValueException($value, 'string');
+        }
+
+        $value = (string) $value;
+
+        if (null !== $constraint->normalizer) {
+            $value = ($constraint->normalizer)($value);
+        }
+
+        if (!self::checkIp($value, $constraint->version)) {
+            $this->context->buildViolation($constraint->message)
+                ->setParameter('{{ value }}', $this->formatValue($value))
+                ->setCode(Ip::INVALID_IP_ERROR)
+                ->addViolation();
+        }
+    }
+}