Initial Drupal 11 with DDEV setup

vendor/symfony/validator/Constraints/CidrValidator.php

@@ -0,0 +1,89 @@
+<?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 CIDR notation.
+ *
+ * @author Sorin Pop <popsorin15@gmail.com>
+ * @author Calin Bolea <calin.bolea@gmail.com>
+ * @author Ninos Ego <me@ninosego.de>
+ */
+class CidrValidator extends ConstraintValidator
+{
+    public function validate($value, Constraint $constraint): void
+    {
+        if (!$constraint instanceof Cidr) {
+            throw new UnexpectedTypeException($constraint, Cidr::class);
+        }
+
+        if (null === $value || '' === $value) {
+            return;
+        }
+
+        if (!\is_string($value) && !$value instanceof \Stringable) {
+            throw new UnexpectedValueException($value, 'string');
+        }
+
+        $value = (string) $value;
+
+        if (null !== $constraint->normalizer) {
+            $value = ($constraint->normalizer)($value);
+        }
+
+        $cidrParts = explode('/', $value, 2);
+
+        if (!isset($cidrParts[1])
+            || !ctype_digit($cidrParts[1])
+            || '' === $cidrParts[0]
+        ) {
+            $this->context
+                ->buildViolation($constraint->message)
+                ->setCode(Cidr::INVALID_CIDR_ERROR)
+                ->addViolation();
+
+            return;
+        }
+
+        $ipAddress = $cidrParts[0];
+        $netmask = (int) $cidrParts[1];
+
+        if (!IpValidator::checkIP($ipAddress, $constraint->version)) {
+            $this->context
+                ->buildViolation($constraint->message)
+                ->setCode(Cidr::INVALID_CIDR_ERROR)
+                ->addViolation();
+
+            return;
+        }
+
+        $netmaskMax = $constraint->netmaskMax;
+
+        if (filter_var($ipAddress, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4) && $netmaskMax > 32) {
+            $netmaskMax = 32;
+        }
+
+        if ($netmask < $constraint->netmaskMin || $netmask > $netmaskMax) {
+            $this->context
+                ->buildViolation($constraint->netmaskRangeViolationMessage)
+                ->setParameter('{{ min }}', $constraint->netmaskMin)
+                ->setParameter('{{ max }}', $netmaskMax)
+                ->setCode(Cidr::OUT_OF_RANGE_ERROR)
+                ->addViolation();
+        }
+    }
+}