64 lines
1.7 KiB
PHP
64 lines
1.7 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Acme PHP project.
|
|
*
|
|
* (c) Titouan Galopin <galopintitouan@gmail.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace AcmePhp\Ssl;
|
|
|
|
use AcmePhp\Ssl\Exception\KeyFormatException;
|
|
use Webmozart\Assert\Assert;
|
|
|
|
/**
|
|
* Represent a SSL Private key.
|
|
*
|
|
* @author Jérémy Derussé <jeremy@derusse.com>
|
|
*/
|
|
class PrivateKey extends Key
|
|
{
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getResource()
|
|
{
|
|
if (!$resource = openssl_pkey_get_private($this->keyPEM)) {
|
|
throw new KeyFormatException(sprintf('Failed to convert key into resource: %s', openssl_error_string()));
|
|
}
|
|
|
|
return $resource;
|
|
}
|
|
|
|
public function getPublicKey(): PublicKey
|
|
{
|
|
$resource = $this->getResource();
|
|
if (!$details = openssl_pkey_get_details($resource)) {
|
|
throw new KeyFormatException(sprintf('Failed to extract public key: %s', openssl_error_string()));
|
|
}
|
|
|
|
// PHP 8 automatically frees the key instance and deprecates the function
|
|
if (\PHP_VERSION_ID < 80000) {
|
|
openssl_free_key($resource);
|
|
}
|
|
|
|
return new PublicKey($details['key']);
|
|
}
|
|
|
|
public static function fromDER(string $keyDER): self
|
|
{
|
|
Assert::stringNotEmpty($keyDER, __METHOD__.'::$keyDER should be a non-empty string. Got %s');
|
|
|
|
$der = base64_encode($keyDER);
|
|
$lines = str_split($der, 65);
|
|
array_unshift($lines, '-----BEGIN PRIVATE KEY-----');
|
|
$lines[] = '-----END PRIVATE KEY-----';
|
|
$lines[] = '';
|
|
|
|
return new self(implode("\n", $lines));
|
|
}
|
|
}
|