<?php

namespace AcmePhp\Ssl;

use AcmePhp\Ssl\Exception\CertificateFormatException;
use Webmozart\Assert\Assert;

/**
 * Represent a Certificate.
 *
 * @author Jérémy Derussé <jeremy@derusse.com>
 */
class Certificate
{
    /** @var string */
    private $certificatePEM;

    /** @var Certificate */
    private $issuerCertificate;

    /**
     * @param string           $certificatePEM
     * @param Certificate|null $issuerCertificate
     */
    public function __construct($certificatePEM, self $issuerCertificate = null)
    {
        Assert::stringNotEmpty($certificatePEM, __CLASS__.'::$certificatePEM should not be an empty string. Got %s');

        $this->certificatePEM = $certificatePEM;
        $this->issuerCertificate = $issuerCertificate;
    }

    /**
     * @return Certificate[]
     */
    public function getIssuerChain()
    {
        $chain = [];
        $issuerCertificate = $this->getIssuerCertificate();

        while (null !== $issuerCertificate) {
            $chain[] = $issuerCertificate;
            $issuerCertificate = $issuerCertificate->getIssuerCertificate();
        }

        return $chain;
    }

    /**
     * @return string
     */
    public function getPEM()
    {
        return $this->certificatePEM;
    }

    /**
     * @return Certificate|null
     */
    public function getIssuerCertificate()
    {
        return $this->issuerCertificate;
    }

    /**
     * @return resource
     */
    public function getPublicKeyResource()
    {
        if (!$resource = openssl_pkey_get_public($this->certificatePEM)) {
            throw new CertificateFormatException(sprintf('Failed to convert certificate into public key resource: %s', openssl_error_string()));
        }

        return $resource;
    }

    /**
     * @return PublicKey
     */
    public function getPublicKey()
    {
        return new PublicKey(openssl_pkey_get_details($this->getPublicKeyResource())['key']);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjU5NzM4MTU2NDMyNjc4MiA5OTE0MjQzNTg0MzM5ODgwIDY0OTczNjI5OTEwMzMzNjg=