<?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:----MjExNTc3NTUzMDc0OTc1NyAxMzk1MjIyMjM4Nzg3OTkgNDIwNTE3OTA5NDYwNzk1Mg==