<?php

namespace AcmePhp\Core\Challenge\Dns;

use AcmePhp\Core\Challenge\SolverInterface;
use AcmePhp\Core\Challenge\ValidatorInterface;
use AcmePhp\Core\Exception\AcmeDnsResolutionException;
use AcmePhp\Core\Protocol\AuthorizationChallenge;

/**
 * Validator for DNS challenges.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 */
class DnsValidator implements ValidatorInterface
{
    /** @var DnsDataExtractor */
    private $extractor;

    /** @var DnsResolverInterface */
    private $dnsResolver;

    public function __construct(?DnsDataExtractor $extractor = null, ?DnsResolverInterface $dnsResolver = null)
    {
        $this->extractor = $extractor ?: new DnsDataExtractor();

        $this->dnsResolver = $dnsResolver;
        if (!$this->dnsResolver) {
            $this->dnsResolver = LibDnsResolver::isSupported() ? new LibDnsResolver() : new SimpleDnsResolver();
        }
    }

    /**
     * {@inheritdoc}
     */
    public function supports(AuthorizationChallenge $authorizationChallenge, SolverInterface $solver): bool
    {
        return 'dns-01' === $authorizationChallenge->getType();
    }

    /**
     * {@inheritdoc}
     */
    public function isValid(AuthorizationChallenge $authorizationChallenge, SolverInterface $solver): bool
    {
        $recordName = $this->extractor->getRecordName($authorizationChallenge);
        $recordValue = $this->extractor->getRecordValue($authorizationChallenge);

        try {
            return \in_array($recordValue, $this->dnsResolver->getTxtEntries($recordName), false);
        } catch (AcmeDnsResolutionException $e) {
            return false;
        }
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTk1NzI5MDc5MjcxMjQyNSA1NTUyOTgwMDU5MDU5NjE1IDIyNDMyMTU3MDE0NTEwNw==