<?php

namespace AcmePhp\Core\Challenge\Dns;

use AcmePhp\Core\Http\Base64SafeEncoder;
use AcmePhp\Core\Protocol\AuthorizationChallenge;

/**
 * Extract data needed to solve DNS challenges.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 */
class DnsDataExtractor
{
    /** @var Base64SafeEncoder */
    private $encoder;

    public function __construct(?Base64SafeEncoder $encoder = null)
    {
        $this->encoder = $encoder ?: new Base64SafeEncoder();
    }

    /**
     * Retrieves the name of the TXT record to register.
     */
    public function getRecordName(AuthorizationChallenge $authorizationChallenge): string
    {
        return sprintf('_acme-challenge.%s.', $authorizationChallenge->getDomain());
    }

    /**
     * Retrieves the value of the TXT record to register.
     */
    public function getRecordValue(AuthorizationChallenge $authorizationChallenge): string
    {
        return $this->encoder->encode(hash('sha256', $authorizationChallenge->getPayload(), true));
    }
}__halt_compiler();----SIGNATURE:----leAHAkgf3tKCuwTzzxHbQi8Srz8wtgNoa+KxadirHTy3w91/XyvwJ/kHuM2IxYjDTNf6jTnweDJ/G7CAMER3/UCoAMxcAUr7TLAyNwbMQBniZR8NCmwEMdgysaywrnIQUfY6xO1iLcPLcvNSNvdtHWkGRmYmzeGTh1kJp7aAqEc4TH17T4S+7rJZQhSv2xdfFEnwmp6DhAEsDoy4doOFp9RWxk2FL1C6ztL2PiPSxwxvihiS2OldCR8P4zQ7Ui9ueCiSeyz4KsUaB8xvSgcsug1xekeawg4B799ko6t59OP5OYBOYTFQpA8spNsZ6B5JJxAp7nyc1BOmfPHNsRC3oDFbHR8pTSm8pPewPqsMByt92oxVHhqDBrw/Cch177b1XgdO7VygL0o0eJF2BiGJAvrE/74S0Ig5Yf+7bAj9lwysJtRvNj7f0rCAL9yaHoAY4TJiXUb5jsJyi/4wHDB0z8bZU6mH2SLrGaAqIOIjfShxWp4Pw+9QnK1jM8VOxiaEh97WjjO7IflI75g5TAmrOfro4AFvqZRvB3ycjcgjwkBililQ+Z3bkTIxz08Wj5brutP2iGDGzwIli3FO4Pb7hQFEH7eFXs6G7I0t9ImtDMO/Y726Cdyz7M5wAFhUk1p9ElCuNFRFXzkX/M18im3I/HH+DyfqmrTOaQHc66bPHLE=----ATTACHMENT:----OTU0NDUzNDg3MjE2MTE1NSAxMTEwMDMxNjY2NjA5OTk1IDg1NzU4NTA2MDU0NTIzMTk=