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HeaderSignatureConfigurator.php
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HeaderSignatureConfigurator.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Webhook\Server;
use Symfony\Component\HttpClient\HttpOptions;
use Symfony\Component\RemoteEvent\RemoteEvent;
use Symfony\Component\Webhook\Exception\InvalidArgumentException;
use Symfony\Component\Webhook\Exception\LogicException;
/**
* @author Fabien Potencier <fabien@symfony.com>
*/
final class HeaderSignatureConfigurator implements RequestConfiguratorInterface
{
public function __construct(
private readonly string $algo = 'sha256',
private readonly string $signatureHeaderName = 'Webhook-Signature',
) {
}
public function configure(RemoteEvent $event, #[\SensitiveParameter] string $secret, HttpOptions $options): void
{
if (!$secret) {
throw new InvalidArgumentException('A non-empty secret is required.');
}
$opts = $options->toArray();
$headers = $opts['headers'];
if (!isset($opts['body'])) {
throw new LogicException('The body must be set.');
}
$body = $opts['body'];
$headers[$this->signatureHeaderName] = $this->algo.'='.hash_hmac($this->algo, $event->getName().$event->getId().$body, $secret);
$options->setHeaders($headers);
}
}