90 lines
2.6 KiB
PHP
90 lines
2.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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/**
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* Validates whether a value is a CIDR notation.
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*
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* @author Sorin Pop <popsorin15@gmail.com>
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* @author Calin Bolea <calin.bolea@gmail.com>
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* @author Ninos Ego <me@ninosego.de>
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*/
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class CidrValidator extends ConstraintValidator
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{
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public function validate($value, Constraint $constraint): void
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{
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if (!$constraint instanceof Cidr) {
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throw new UnexpectedTypeException($constraint, Cidr::class);
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}
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if (null === $value || '' === $value) {
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return;
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}
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if (!\is_string($value) && !$value instanceof \Stringable) {
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throw new UnexpectedValueException($value, 'string');
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}
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$value = (string) $value;
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if (null !== $constraint->normalizer) {
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$value = ($constraint->normalizer)($value);
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}
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$cidrParts = explode('/', $value, 2);
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if (!isset($cidrParts[1])
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|| !ctype_digit($cidrParts[1])
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|| '' === $cidrParts[0]
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) {
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$this->context
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->buildViolation($constraint->message)
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->setCode(Cidr::INVALID_CIDR_ERROR)
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->addViolation();
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return;
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}
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$ipAddress = $cidrParts[0];
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$netmask = (int) $cidrParts[1];
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if (!IpValidator::checkIP($ipAddress, $constraint->version)) {
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$this->context
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->buildViolation($constraint->message)
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->setCode(Cidr::INVALID_CIDR_ERROR)
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->addViolation();
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return;
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}
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$netmaskMax = $constraint->netmaskMax;
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if (filter_var($ipAddress, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4) && $netmaskMax > 32) {
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$netmaskMax = 32;
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}
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if ($netmask < $constraint->netmaskMin || $netmask > $netmaskMax) {
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$this->context
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->buildViolation($constraint->netmaskRangeViolationMessage)
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->setParameter('{{ min }}', $constraint->netmaskMin)
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->setParameter('{{ max }}', $constraint->netmaskMax)
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->setCode(Cidr::OUT_OF_RANGE_ERROR)
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->addViolation();
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}
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}
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}
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