class StackedHttpKernel in Drupal 10

Provides a stacked HTTP kernel.

Copied from https://github.com/stackphp/builder/ with added compatibility for Symfony 6.

Hierarchy

• class \Drupal\Core\StackMiddleware\StackedHttpKernel implements \Symfony\Component\HttpKernel\HttpKernelInterface, \Symfony\Component\HttpKernel\TerminableInterface

See also

\Drupal\Core\DependencyInjection\Compiler\StackedKernelPass

2 files declare their use of StackedHttpKernel

StackedKernelPass.php in core/lib/Drupal/Core/DependencyInjection/Compiler/StackedKernelPass.php

StackedKernelPassTest.php in core/tests/Drupal/Tests/Core/DependencyInjection/Compiler/StackedKernelPassTest.php

1 string reference to 'StackedHttpKernel'

core.services.yml in core/core.services.yml

core/core.services.yml

1 service uses StackedHttpKernel

http_kernel in core/core.services.yml

Drupal\Core\StackMiddleware\StackedHttpKernel

File

core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php, line 18

Namespace

Drupal\Core\StackMiddleware

class StackedHttpKernel implements HttpKernelInterface, TerminableInterface {

  /**
   * The decorated kernel.
   *
   * @var \Symfony\Component\HttpKernel\HttpKernelInterface
   */
  private $kernel;

  /**
   * A set of middlewares that are wrapped around this kernel.
   *
   * @var array
   */
  private $middlewares = [];

  /**
   * Constructs a stacked HTTP kernel.
   *
   * @param \Symfony\Component\HttpKernel\HttpKernelInterface $kernel
   *   The decorated kernel.
   * @param array $middlewares
   *   An array of previous middleware services.
   */
  public function __construct(HttpKernelInterface $kernel, array $middlewares) {
    $this->kernel = $kernel;
    $this->middlewares = $middlewares;
  }

  /**
   * {@inheritdoc}
   */
  public function handle(Request $request, $type = HttpKernelInterface::MAIN_REQUEST, $catch = TRUE) : Response {
    return $this->kernel
      ->handle($request, $type, $catch);
  }

  /**
   * {@inheritdoc}
   */
  public function terminate(Request $request, Response $response) {
    $previous = NULL;
    foreach ($this->middlewares as $kernel) {

      // If the previous kernel was terminable we can assume this middleware
      // has already been called.
      if (!$previous instanceof TerminableInterface && $kernel instanceof TerminableInterface) {
        $kernel
          ->terminate($request, $response);
      }
      $previous = $kernel;
    }
  }

}