diff core/lib/Drupal/Core/Entity/EntityCreateAnyAccessCheck.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Entity/EntityCreateAnyAccessCheck.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,104 @@
+<?php
+
+namespace Drupal\Core\Entity;
+
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Routing\Access\AccessInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Session\AccountInterface;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Defines an access checker for creating an entity of any bundle.
+ */
+class EntityCreateAnyAccessCheck implements AccessInterface {
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * The entity type bundle info.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
+   */
+  protected $entityTypeBundleInfo;
+
+  /**
+   * The key used by the routing requirement.
+   *
+   * @var string
+   */
+  protected $requirementsKey = '_entity_create_any_access';
+
+  /**
+   * Constructs a EntityCreateAnyAccessCheck object.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   The entity type manager.
+   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
+   *   The entity type bundle info.
+   */
+  public function __construct(EntityTypeManagerInterface $entity_type_manager, EntityTypeBundleInfoInterface $entity_type_bundle_info) {
+    $this->entityTypeManager = $entity_type_manager;
+    $this->entityTypeBundleInfo = $entity_type_bundle_info;
+  }
+
+  /**
+   * Checks access to create an entity of any bundle for the given route.
+   *
+   * @param \Symfony\Component\Routing\Route $route
+   *   The route to check against.
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   The parameterized route.
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The currently logged in account.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function access(Route $route, RouteMatchInterface $route_match, AccountInterface $account) {
+    $entity_type_id = $route->getRequirement($this->requirementsKey);
+    $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
+    $access_control_handler = $this->entityTypeManager->getAccessControlHandler($entity_type_id);
+
+    // In case there is no "bundle" entity key, check create access with no
+    // bundle specified.
+    if (!$entity_type->hasKey('bundle')) {
+      return $access_control_handler->createAccess(NULL, $account, [], TRUE);
+    }
+
+    $access = AccessResult::neutral();
+    $bundles = array_keys($this->entityTypeBundleInfo->getBundleInfo($entity_type_id));
+
+    // Include list cache tag as access might change if more bundles are added.
+    if ($entity_type->getBundleEntityType()) {
+      $access->addCacheTags($this->entityTypeManager->getDefinition($entity_type->getBundleEntityType())->getListCacheTags());
+
+      // Check if the user is allowed to create new bundles. If so, allow
+      // access, so the add page can show a link to create one.
+      // @see \Drupal\Core\Entity\Controller\EntityController::addPage()
+      $bundle_access_control_handler = $this->entityTypeManager->getAccessControlHandler($entity_type->getBundleEntityType());
+      $access = $access->orIf($bundle_access_control_handler->createAccess(NULL, $account, [], TRUE));
+      if ($access->isAllowed()) {
+        return $access;
+      }
+    }
+
+    // Check whether an entity of any bundle may be created.
+    foreach ($bundles as $bundle) {
+      $access = $access->orIf($access_control_handler->createAccess($bundle, $account, [], TRUE));
+      // In case there is a least one bundle user can create entities for,
+      // access is allowed.
+      if ($access->isAllowed()) {
+        break;
+      }
+    }
+
+    return $access;
+  }
+
+}