Issue #1947432 by tim.plunkett, mtift, andypost, larowlan: Add a generic...

Issue #1947432 by tim.plunkett, mtift, andypost, larowlan: Add a generic EntityAccessCheck to replace entity_page_access().

core/core.services.yml

@@ -304,6 +304,10 @@ services:
     class: Drupal\Core\Access\DefaultAccessCheck
     tags:
       - { name: access_check }
+  access_check.entity:
+    class: Drupal\Core\Entity\EntityAccessCheck
+    tags:
+      - { name: access_check }
   maintenance_mode_subscriber:
     class: Drupal\Core\EventSubscriber\MaintenanceModeSubscriber
     tags:

core/lib/Drupal/Core/Entity/EntityAccessCheck.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Entity\EntityAccessCheck.
+ */
+
+namespace Drupal\Core\Entity;
+
+use Drupal\Core\Entity\EntityInterface;
+use Symfony\Component\Routing\Route;
+use Symfony\Component\HttpFoundation\Request;
+use Drupal\Core\Access\AccessCheckInterface;
+
+/**
+ * Provides a generic access checker for entities.
+ */
+class EntityAccessCheck implements AccessCheckInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function applies(Route $route) {
+    return array_key_exists('_entity_access', $route->getRequirements());
+  }
+
+  /**
+   * Implements \Drupal\Core\Access\AccessCheckInterface::access().
+   *
+   * The value of the '_entity_access' key must be in the pattern
+   * 'entity_type.operation.' The entity type must match the {entity_type}
+   * parameter in the route pattern. This will check a node for 'update' access:
+   * @code
+   * pattern: '/foo/{node}/bar'
+   * requirements:
+   *   _entity_access: 'node.update'
+   * @endcode
+   * Available operations are 'view', 'update', 'create', and 'delete'.
+   */
+  public function access(Route $route, Request $request) {
+    // Split the entity type and the operation.
+    $requirement = $route->getRequirement('_entity_access');
+    list($entity_type, $operation) = explode('.', $requirement);
+    // If there is valid entity of the given entity type, check its access.
+    if ($request->attributes->has($entity_type)) {
+      $entity = $request->attributes->get($entity_type);
+      if ($entity instanceof EntityInterface) {
+        return $entity->access($operation);
+      }
+    }
+    // No opinion, so other access checks should decide if access should be
+    // allowed or not.
+    return NULL;
+  }
+
+}

core/modules/shortcut/lib/Drupal/shortcut/Access/LinkDeleteAccessCheck.php

+<?php
+
+/**
+ * @file
+ * Contains Drupal\shortcut\Access\LinkDeleteAccessCheck.
+ */
+
+namespace Drupal\shortcut\Access;
+
+use Drupal\Core\Access\AccessCheckInterface;
+use Symfony\Component\Routing\Route;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Provides an access check for shortcut link delete routes.
+ */
+class LinkDeleteAccessCheck implements AccessCheckInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function applies(Route $route) {
+    return array_key_exists('_access_shortcut_link_delete', $route->getRequirements());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function access(Route $route, Request $request) {
+    $menu_link = $request->attributes->get('menu_link');
+    $set_name = str_replace('shortcut-', '', $menu_link['menu_name']);
+    if ($shortcut_set = shortcut_set_load($set_name)) {
+      return shortcut_set_edit_access($shortcut_set);
+    }
+  }
+
+}

core/modules/shortcut/lib/Drupal/shortcut/Form/LinkDelete.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\shortcut\Form\LinkDelete.
+ */
+
+namespace Drupal\shortcut\Form;
+
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\menu_link\Plugin\Core\Entity\MenuLink;
+
+/**
+ * Builds the shortcut link deletion form.
+ */
+class LinkDelete extends ConfirmFormBase {
+
+  /**
+   * The menu link to delete.
+   *
+   * @var \Drupal\menu_link\Plugin\Core\Entity\MenuLink
+   */
+  protected $menuLink;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormID() {
+    return 'shortcut_link_delete';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getQuestion() {
+    return t('Are you sure you want to delete the shortcut %title?', array('%title' => $this->menuLink->link_title));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getCancelPath() {
+    return 'admin/config/user-interface/shortcut/manage/' . $this->menuLink->menu_name;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getConfirmText() {
+    return t('Delete');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, array &$form_state, MenuLink $menu_link = NULL) {
+    $this->menuLink = $menu_link;
+
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, array &$form_state) {
+    menu_link_delete($this->menuLink->mlid);
+    $set_name = str_replace('shortcut-', '' , $this->menuLink->menu_name);
+    $form_state['redirect'] = 'admin/config/user-interface/shortcut/manage/' . $set_name;
+    drupal_set_message(t('The shortcut %title has been deleted.', array('%title' => $this->menuLink->link_title)));
+  }
+
+}

core/modules/shortcut/lib/Drupal/shortcut/Form/SetDelete.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\shortcut\Form\SetDelete.
+ */
+
+namespace Drupal\shortcut\Form;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\Core\ControllerInterface;
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Database\Connection;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\shortcut\Plugin\Core\Entity\Shortcut;
+
+/**
+ * Builds the shortcut set deletion form.
+ */
+class SetDelete extends ConfirmFormBase implements ControllerInterface {
+
+  /**
+   * The database connection.
+   *
+   * @var \Drupal\Core\Database\Connection
+   */
+  protected $database;
+
+  /**
+   * The module handler service.
+   *
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
+  /**
+   * The shortcut set being deleted.
+   *
+   * @var \Drupal\shortcut\Plugin\Core\Entity\Shortcut
+   */
+  protected $shortcut;
+
+  /**
+   * Constructs a SetDelete object.
+   */
+  public function __construct(Connection $database, ModuleHandlerInterface $module_handler) {
+
+    $this->database = $database;
+    $this->moduleHandler = $module_handler;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('database'),
+      $container->get('module_handler')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormID() {
+    return 'shortcut_set_delete_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getQuestion() {
+    return t('Are you sure you want to delete the shortcut set %title?', array('%title' => $this->shortcut->label()));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getCancelPath() {
+    return 'admin/config/user-interface/shortcut/manage/' . $this->shortcut->id();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getConfirmText() {
+    return t('Delete');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, array &$form_state, Shortcut $shortcut = NULL) {
+    $this->shortcut = $shortcut;
+
+    // Find out how many users are directly assigned to this shortcut set, and
+    // make a message.
+    $number = $this->database->query('SELECT COUNT(*) FROM {shortcut_set_users} WHERE set_name = :name', array(':name' => $this->shortcut->id()))->fetchField();
+    $info = '';
+    if ($number) {
+      $info .= '<p>' . format_plural($number,
+        '1 user has chosen or been assigned to this shortcut set.',
+        '@count users have chosen or been assigned to this shortcut set.') . '</p>';
+    }
+
+    // Also, if a module implements hook_shortcut_default_set(), it's possible
+    // that this set is being used as a default set. Add a message about that too.
+    if ($this->moduleHandler->getImplementations('shortcut_default_set')) {
+      $info .= '<p>' . t('If you have chosen this shortcut set as the default for some or all users, they may also be affected by deleting it.') . '</p>';
+    }
+
+    $form['info'] = array(
+      '#markup' => $info,
+    );
+
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, array &$form_state) {
+    $this->shortcut->delete();
+    $form_state['redirect'] = 'admin/config/user-interface/shortcut';
+    drupal_set_message(t('The shortcut set %title has been deleted.', array('%title' => $this->shortcut->label())));
+  }
+
+}

core/modules/shortcut/lib/Drupal/shortcut/Plugin/Core/Entity/Shortcut.php

@@ -20,6 +20,7 @@
  *   module = "shortcut",
  *   controllers = {
  *     "storage" = "Drupal\shortcut\ShortcutStorageController",
+ *     "access" = "Drupal\shortcut\ShortcutAccessController",
  *     "list" = "Drupal\shortcut\ShortcutListController",
  *     "form" = {
  *       "default" = "Drupal\shortcut\ShortcutFormController"

core/modules/shortcut/lib/Drupal/shortcut/ShortcutAccessController.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\shortcut\ShortcutAccessController.
+ */
+
+namespace Drupal\shortcut;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityAccessController;
+use Drupal\user\Plugin\Core\Entity\User;
+
+/**
+ * Defines the access controller for the shortcut entity type.
+ */
+class ShortcutAccessController extends EntityAccessController {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function deleteAccess(EntityInterface $entity, $langcode = LANGUAGE_DEFAULT, User $account = NULL) {
+    if (!user_access('administer shortcuts')) {
+      return FALSE;
+    }
+
+    return $entity->id() != 'default';
+  }
+
+}

core/modules/shortcut/lib/Drupal/shortcut/ShortcutFormController.php

@@ -53,7 +53,7 @@ public function form(array $form, array &$form_state, EntityInterface $entity) {
   protected function actions(array $form, array &$form_state) {
     // Disable delete of default shortcut set.
     $actions = parent::actions($form, $form_state);
-    $actions['delete']['#access'] = shortcut_set_delete_access($this->getEntity($form_state));
+    $actions['delete']['#access'] = $this->getEntity($form_state)->access('delete');
     return $actions;
   }
 

core/modules/shortcut/lib/Drupal/shortcut/ShortcutListController.php

@@ -38,7 +38,7 @@ public function getOperations(EntityInterface $entity) {
       'options' => $uri['options'],
       'weight' => 10,
     );
-    if (shortcut_set_delete_access($entity)) {
+    if ($entity->access('delete')) {
       $operations['delete'] = array(
         'title' => t('Delete set'),
         'href' => $uri['path'] . '/delete',

core/modules/shortcut/shortcut.admin.inc

@@ -471,113 +471,6 @@ function shortcut_admin_add_link($shortcut_link, &$shortcut_set) {
   shortcut_set_reset_link_weights($shortcut_set);
 }
 
-/**
- * Form callback: builds the confirmation form for deleting a shortcut set.
- *
- * @param $form
- *   An associative array containing the structure of the form.
- * @param $form_state
- *   An associative array containing the current state of the form.
- * @param $shortcut_set Drupal\shortcut\Plugin\Core\Entity\Shortcut
- *   An object representing the shortcut set, as returned from
- *   shortcut_set_load().
- *
- * @return
- *   An array representing the form definition.
- *
- * @ingroup forms
- * @see shortcut_set_delete_form_submit()
- */
-function shortcut_set_delete_form($form, &$form_state, $shortcut_set) {
-  $form['shortcut_set'] = array(
-    '#type' => 'value',
-    '#value' => $shortcut_set->id(),
-  );
-
-  // Find out how many users are directly assigned to this shortcut set, and
-  // make a message.
-  $number = db_query('SELECT COUNT(*) FROM {shortcut_set_users} WHERE set_name = :name', array(':name' => $shortcut_set->id()))->fetchField();
-  $info = '';
-  if ($number) {
-    $info .= '<p>' . format_plural($number,
-      '1 user has chosen or been assigned to this shortcut set.',
-      '@count users have chosen or been assigned to this shortcut set.') . '</p>';
-  }
-
-  // Also, if a module implements hook_shortcut_default_set(), it's possible
-  // that this set is being used as a default set. Add a message about that too.
-  if (count(module_implements('shortcut_default_set')) > 0) {
-    $info .= '<p>' . t('If you have chosen this shortcut set as the default for some or all users, they may also be affected by deleting it.') . '</p>';
-  }
-
-  $form['info'] = array(
-    '#markup' => $info,
-  );
-
-  return confirm_form(
-    $form,
-    t('Are you sure you want to delete the shortcut set %title?', array('%title' => $shortcut_set->label())),
-    'admin/config/user-interface/shortcut/manage/' . $shortcut_set->id(),
-    t('This action cannot be undone.'),
-    t('Delete'),
-    t('Cancel')
-  );
-}
-
-/**
- * Submit handler for shortcut_set_delete_form().
- */
-function shortcut_set_delete_form_submit($form, &$form_state) {
-  $shortcut_set = shortcut_set_load($form_state['values']['shortcut_set']);
-  $label = $shortcut_set->label();
-  $shortcut_set->delete();
-  $form_state['redirect'] = 'admin/config/user-interface/shortcut';
-  drupal_set_message(t('The shortcut set %title has been deleted.', array('%title' => $label)));
-}
-
-/**
- * Form callback: builds the confirmation form for deleting a shortcut link.
- *
- * @param $form
- *   An associative array containing the structure of the form.
- * @param $form_state
- *   An associative array containing the current state of the form.
- * @param $shortcut_link
- *   An array representing the link that will be deleted.
- *
- * @return
- *   An array representing the form definition.
- *
- * @ingroup forms
- * @see shortcut_link_delete_submit()
- */
-function shortcut_link_delete($form, &$form_state, $shortcut_link) {
-  $form['shortcut_link'] = array(
-    '#type' => 'value',
-    '#value' => $shortcut_link,
-  );
-
-  return confirm_form(
-    $form,
-    t('Are you sure you want to delete the shortcut %title?', array('%title' => $shortcut_link['link_title'])),
-    'admin/config/user-interface/shortcut/manage/' . $shortcut_link['menu_name'],
-    t('This action cannot be undone.'),
-    t('Delete'),
-    t('Cancel')
-  );
-}
-
-/**
- * Submit handler for shortcut_link_delete_submit().
- */
-function shortcut_link_delete_submit($form, &$form_state) {
-  $shortcut_link = $form_state['values']['shortcut_link'];
-  menu_link_delete($shortcut_link['mlid']);
-  $set_name = str_replace('shortcut-', '' , $shortcut_link['menu_name']);
-  $form_state['redirect'] = 'admin/config/user-interface/shortcut/manage/' . $set_name;
-  drupal_set_message(t('The shortcut %title has been deleted.', array('%title' => $shortcut_link['link_title'])));
-}
-
 /**
  * Menu page callback: creates a new link in the provided shortcut set.
  *

core/modules/shortcut/shortcut.module

@@ -101,11 +101,7 @@ function shortcut_menu() {
   );
   $items['admin/config/user-interface/shortcut/manage/%shortcut_set/delete'] = array(
     'title' => 'Delete shortcut set',
-    'page callback' => 'drupal_get_form',
-    'page arguments' => array('shortcut_set_delete_form', 5),
-    'access callback' => 'shortcut_set_delete_access',
-    'access arguments' => array(5),
-    'file' => 'shortcut.admin.inc',
+    'route_name' => 'shortcut_set_delete',
   );
   $items['admin/config/user-interface/shortcut/manage/%shortcut_set/add-link'] = array(
     'title' => 'Add shortcut',
@@ -135,11 +131,7 @@ function shortcut_menu() {
   );
   $items['admin/config/user-interface/shortcut/link/%menu_link/delete'] = array(
     'title' => 'Delete shortcut',
-    'page callback' => 'drupal_get_form',
-    'page arguments' => array('shortcut_link_delete', 5),
-    'access callback' => 'shortcut_link_access',
-    'access arguments' => array(5),
-    'file' => 'shortcut.admin.inc',
+    'route_name' => 'shortcut_link_delete',
   );
   $items['user/%user/shortcuts'] = array(
     'title' => 'Shortcuts',
@@ -199,30 +191,6 @@ function shortcut_set_edit_access($shortcut_set = NULL) {
   return FALSE;
 }
 
-/**
- * Access callback for deleting a shortcut set.
- *
- * @param $shortcut_set Drupal\shortcut\Plugin\Core\Entity\Shortcut
- *   The shortcut set to be deleted.
- *
- * @return
- *   TRUE if the current user has access to delete shortcut sets and this is
- *   not the site-wide default set; FALSE otherwise.
- */
-function shortcut_set_delete_access($shortcut_set) {
-  // Only admins can delete sets.
-  if (!user_access('administer shortcuts')) {
-    return FALSE;
-  }
-
-  // Never let the default shortcut set be deleted.
-  if ($shortcut_set->id() == 'default') {
-    return FALSE;
-  }
-
-  return TRUE;
-}
-
 /**
  * Access callback for switching the shortcut set assigned to a user account.
  *

core/modules/shortcut/shortcut.routing.yml

+shortcut_link_delete:
+  pattern: '/admin/config/user-interface/shortcut/link/{menu_link}/delete'
+  defaults:
+    _form: 'Drupal\shortcut\Form\LinkDelete'
+  requirements:
+    _access_shortcut_link_delete: 'TRUE'
+
+shortcut_set_delete:
+  pattern: '/admin/config/user-interface/shortcut/manage/{shortcut}/delete'
+  defaults:
+    _form: 'Drupal\shortcut\Form\SetDelete'
+  requirements:
+    _entity_access: 'shortcut.delete'

core/modules/shortcut/shortcut.services.yml

+services:
+  access_check.shortcut.link:
+    class: Drupal\shortcut\Access\LinkDeleteAccessCheck
+    tags:
+      - { name: access_check }

core/tests/Drupal/Tests/Core/Entity/EntityAccessCheckTest.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\Core\Entity\EntityAccessCheckTest.
+ */
+
+namespace Drupal\Tests\Core\Entity;
+
+// @todo Remove once http://drupal.org/node/1620010 is committed.
+if (!defined('LANGUAGE_DEFAULT')) {
+  define('LANGUAGE_DEFAULT', 'und');
+}
+if (!defined('LANGUAGE_NOT_SPECIFIED')) {
+  define('LANGUAGE_NOT_SPECIFIED', 'und');
+}
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Route;
+use Drupal\Core\Entity\EntityAccessCheck;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Tests the entity access controller.
+ *
+ * @group Entity
+ */
+class EntityAccessCheckTest extends UnitTestCase {
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Entity access check test',
+      'description' => 'Unit test of entity access checking system.',
+      'group' => 'Entity'
+    );
+  }
+
+  /**
+   * Tests the method for checking if the access check applies to a route.
+   */
+  public function testApplies