raven-8.x-2.x-dev/src/Controller/TunnelController.php

<?php

namespace Drupal\raven\Controller;

use Drupal\Core\Controller\ControllerBase;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\ClientException;
use Sentry\Dsn;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

/**
 * Controller routines for tunneling Sentry requests.
 */
class TunnelController extends ControllerBase {

  /**
   * Constructs a new TunnelController instance.
   */
  final public function __construct(
    protected ClientInterface $httpClient,
  ) {
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container): static {
    return new static(
      $container->get('http_client'),
    );
  }

  /**
   * Passes the incoming request on to the Sentry server.
   *
   * @return \Psr\Http\Message\ResponseInterface|\Symfony\Component\HttpFoundation\Response
   *   A PSR-7 or Symfony response.
   */
  public function doTunnel(Request $request) {
    $config = $this->config('raven.settings');
    $configured_dsn = $config->get('public_dsn');
    if (!\is_string($configured_dsn)) {
      return new Response(NULL, Response::HTTP_INTERNAL_SERVER_ERROR);
    }
    $configured_dsn = Dsn::createFromString($configured_dsn);

    $envelope = $request->getContent();

    $pieces = explode("\n", $envelope, 2);
    $header = json_decode($pieces[0], TRUE);
    if (!\is_array($header) || !isset($header['dsn']) || !\is_string($header['dsn'])) {
      return new Response(NULL, Response::HTTP_BAD_REQUEST);
    }
    $dsn = Dsn::createFromString($header['dsn']);

    if (!hash_equals((string) $configured_dsn, (string) $dsn)) {
      return new Response(NULL, Response::HTTP_BAD_REQUEST);
    }

    $url = $dsn->getEnvelopeApiEndpointUrl();

    try {
      $options = [
        'headers' => [
          'Content-type' => 'application/x-sentry-envelope',
        ],
        'body' => $envelope,
        // Add Sentry key for GlitchTip compatibility.
        'query' => [
          'sentry_key' => $dsn->getPublicKey(),
        ],
      ];
      $timeout = $config->get('timeout');
      if (NULL !== $timeout) {
        $options['connect_timeout'] = $options['timeout'] = $timeout;
      }
      if (\extension_loaded('zlib') && $config->get('http_compression')) {
        $options['body'] = gzcompress($options['body'], -1, \ZLIB_ENCODING_GZIP);
        $options['headers']['Content-Encoding'] = 'gzip';
      }
      $response = $this->httpClient->request('POST', $url, $options);
    }
    catch (ClientException $e) {
      $response = $e->getResponse();
    }

    return $response
      ->withoutHeader('Alt-Svc')
      ->withoutHeader('Transfer-Encoding');
  }

}