<?php namespace MailPoetVendor\Symfony\Component\Validator\Constraints; if (!defined('ABSPATH')) exit; use MailPoetVendor\Symfony\Component\Validator\Constraint; use MailPoetVendor\Symfony\Component\Validator\ConstraintValidator; use MailPoetVendor\Symfony\Component\Validator\Exception\UnexpectedTypeException; use MailPoetVendor\Symfony\Component\Validator\Exception\UnexpectedValueException; class HostnameValidator extends ConstraintValidator { private const RESERVED_TLDS = ['example', 'invalid', 'localhost', 'test']; public function validate($value, Constraint $constraint) { if (!$constraint instanceof Hostname) { throw new UnexpectedTypeException($constraint, Hostname::class); } if (null === $value || '' === $value) { return; } if (!\is_scalar($value) && !(\is_object($value) && \method_exists($value, '__toString'))) { throw new UnexpectedValueException($value, 'string'); } $value = (string) $value; if ('' === $value) { return; } if (!$this->isValid($value) || $constraint->requireTld && !$this->hasValidTld($value)) { $this->context->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value))->setCode(Hostname::INVALID_HOSTNAME_ERROR)->addViolation(); } } private function isValid(string $domain) : bool { return \false !== \filter_var($domain, \FILTER_VALIDATE_DOMAIN, \FILTER_FLAG_HOSTNAME); } private function hasValidTld(string $domain) : bool { return \false !== \strpos($domain, '.') && !\in_array(\substr($domain, \strrpos($domain, '.') + 1), self::RESERVED_TLDS, \true); } }