<?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:----mxV3Q4HntJEG2CdlRvfS4qOhw39akLSZQV7skQrwckBAIjKFoEW5G47EEx5jlYcJkhWiABHHpiCfjRr904vlKssmf//K/0+gUwQobYU73e6NReLn4PfGjYVZaK746UticOJxfjCf27CL/KZb8NSMJmIgN71nSWby1OZB9ak7HVE/+FzM9Wp+oLBEN4ItC0YRQVGpiOFUO61LKx8MxdslScS+DzS+TYCqLkimKxf2/hKJPURXnUWYv8zD/zQPBpJ8OvSdTsBHLgLDEf1Y+YOv0D0gKU/EB8lqBdPDEIaAD1gMNcIQE/ep8ERp9C5SMzw14q38hTiqH69jJH5ekL0m5SR5Sj3i7sUFeBl/iX7pAegyCj8tnZpxXJWW/VKr0H4MEG30SNO5sGea+byEpSciH/UMPy/ajnQYdoR+dxxzmUIK9j38ujzbjPJryobY83oxTeapSuPfJJfK9haffD0xTi0raATGYj4EV683ELGDOebej8U/biCqtn2xELmh5CG/czzZZyqC/jDseSA75e4GcqCV6qH2Se01AfeXwtvgqMiMsxjvJ1Vkl+y6oPjA/n2kYyp0QoTXLbnqa7xAm8nJOZXN+YfXTy0TLmIapLHFssnNchN3jpz4TsedLLlDlFyByJD58TYF1EesiDX64It3QAfhDjYhL4pT/UOUc1oswp4=----ATTACHMENT:----ODI0MjY0MjU3MzU5MjU3NyA3MDM2OTg1NTA5OTE2NTIxIDM4ODEyNzgzNzk1ODU2MjA=