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