diff core/lib/Drupal/Core/Routing/AccessAwareRouter.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,146 @@
+<?php
+
+namespace Drupal\Core\Routing;
+
+use Drupal\Core\Access\AccessManagerInterface;
+use Drupal\Core\Access\AccessResultReasonInterface;
+use Drupal\Core\Session\AccountInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
+use Symfony\Component\Routing\RequestContext as SymfonyRequestContext;
+use Symfony\Component\Routing\RequestContextAwareInterface;
+use Symfony\Component\Routing\RouterInterface;
+
+/**
+ * A router class for Drupal with access check and upcasting.
+ */
+class AccessAwareRouter implements AccessAwareRouterInterface {
+
+  /**
+   * The router doing the actual routing.
+   *
+   * @var \Symfony\Component\Routing\Matcher\RequestMatcherInterface
+   */
+  protected $router;
+
+  /**
+   * The access manager.
+   *
+   * @var \Drupal\Core\Access\AccessManagerInterface
+   */
+  protected $accessManager;
+
+  /**
+   * The account to use in access checks.
+   *
+   * @var \Drupal\Core\Session\AccountInterface;
+   */
+  protected $account;
+
+  /**
+   * Constructs a router for Drupal with access check and upcasting.
+   *
+   * @param \Symfony\Component\Routing\Matcher\RequestMatcherInterface $router
+   *   The router doing the actual routing.
+   * @param \Drupal\Core\Access\AccessManagerInterface $access_manager
+   *   The access manager.
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The account to use in access checks.
+   */
+  public function __construct(RequestMatcherInterface $router, AccessManagerInterface $access_manager, AccountInterface $account) {
+    $this->router = $router;
+    $this->accessManager = $access_manager;
+    $this->account = $account;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __call($name, $arguments) {
+    // Ensure to call every other function to the router.
+    return call_user_func_array([$this->router, $name], $arguments);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setContext(SymfonyRequestContext $context) {
+    if ($this->router instanceof RequestContextAwareInterface) {
+      $this->router->setContext($context);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getContext() {
+    if ($this->router instanceof RequestContextAwareInterface) {
+      return $this->router->getContext();
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   *
+   * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
+   *   Thrown when access checking failed.
+   */
+  public function matchRequest(Request $request) {
+    $parameters = $this->router->matchRequest($request);
+    $request->attributes->add($parameters);
+    $this->checkAccess($request);
+    // We can not return $parameters because the access check can change the
+    // request attributes.
+    return $request->attributes->all();
+  }
+
+  /**
+   * Apply access check service to the route and parameters in the request.
+   *
+   * @param \Symfony\Component\HttpFoundation\Request $request
+   *   The request to access check.
+   */
+  protected function checkAccess(Request $request) {
+    // The cacheability (if any) of this request's access check result must be
+    // applied to the response.
+    $access_result = $this->accessManager->checkRequest($request, $this->account, TRUE);
+    // Allow a master request to set the access result for a subrequest: if an
+    // access result attribute is already set, don't overwrite it.
+    if (!$request->attributes->has(AccessAwareRouterInterface::ACCESS_RESULT)) {
+      $request->attributes->set(AccessAwareRouterInterface::ACCESS_RESULT, $access_result);
+    }
+    if (!$access_result->isAllowed()) {
+      throw new AccessDeniedHttpException($access_result instanceof AccessResultReasonInterface ? $access_result->getReason() : NULL);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRouteCollection() {
+    if ($this->router instanceof RouterInterface) {
+      return $this->router->getRouteCollection();
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function generate($name, $parameters = [], $referenceType = self::ABSOLUTE_PATH) {
+    if ($this->router instanceof UrlGeneratorInterface) {
+      return $this->router->generate($name, $parameters, $referenceType);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   *
+   * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
+   *   Thrown when access checking failed.
+   */
+  public function match($pathinfo) {
+    return $this->matchRequest(Request::create($pathinfo));
+  }
+
+}