<?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;

    public function __construct(string $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(): array
    {
        $chain = [];
        $issuerCertificate = $this->getIssuerCertificate();

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

        return $chain;
    }

    public function getPEM(): string
    {
        return $this->certificatePEM;
    }

    public function getIssuerCertificate(): ?self
    {
        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;
    }

    public function getPublicKey(): PublicKey
    {
        return new PublicKey(openssl_pkey_get_details($this->getPublicKeyResource())['key']);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzgzNDMwNDk5MDcxMzcyNCA0MTA4MjM3MTA0ODYxMTgxIDkzMjIwODU1OTE3Mjg4MzY=