<?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:----NzE1NTQ1NzI3MTA4MzA5NiA5ODE3NjgyMDgwOTUwMzI1IDc2MTU5NzIyOTY1MzQ5MzI=