<?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:----MjUyODgwMjQwMDAzMDMxOSA0MDQzMjUxNDIzNTM1NTE1IDM5OTE3NjE5NTE5NTM2ODg=