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1 <?php
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2
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3 namespace Drupal\field_ui\Access;
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4
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5 use Drupal\Core\Access\AccessResult;
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6 use Drupal\Core\DependencyInjection\DeprecatedServicePropertyTrait;
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7 use Drupal\Core\Entity\EntityTypeManagerInterface;
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8 use Drupal\Core\Routing\Access\AccessInterface;
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9 use Drupal\Core\Routing\RouteMatchInterface;
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10 use Drupal\Core\Session\AccountInterface;
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11 use Symfony\Component\Routing\Route;
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12
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13 /**
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14 * Defines an access check for entity view mode routes.
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15 *
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16 * @see \Drupal\Core\Entity\Entity\EntityViewMode
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17 */
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18 class ViewModeAccessCheck implements AccessInterface {
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19 use DeprecatedServicePropertyTrait;
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20
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21 /**
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22 * {@inheritdoc}
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23 */
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24 protected $deprecatedProperties = ['entityManager' => 'entity.manager'];
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25
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26 /**
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27 * The entity type manager.
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28 *
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29 * @var \Drupal\Core\Entity\EntityTypeManagerInterface
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30 */
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31 protected $entityTypeManager;
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32
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33 /**
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34 * Creates a new ViewModeAccessCheck.
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35 *
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36 * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
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37 * The entity type manager.
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38 */
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39 public function __construct(EntityTypeManagerInterface $entity_type_manager) {
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40 $this->entityTypeManager = $entity_type_manager;
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41 }
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42
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43 /**
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44 * Checks access to the view mode.
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45 *
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46 * @param \Symfony\Component\Routing\Route $route
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47 * The route to check against.
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48 * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
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49 * The parametrized route.
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50 * @param \Drupal\Core\Session\AccountInterface $account
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51 * The currently logged in account.
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52 * @param string $view_mode_name
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53 * (optional) The view mode. Defaults to 'default'.
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54 * @param string $bundle
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55 * (optional) The bundle. Different entity types can have different names
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56 * for their bundle key, so if not specified on the route via a {bundle}
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57 * parameter, the access checker determines the appropriate key name, and
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58 * gets the value from the corresponding request attribute. For example,
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59 * for nodes, the bundle key is "node_type", so the value would be
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60 * available via the {node_type} parameter rather than a {bundle}
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61 * parameter.
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62 *
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63 * @return \Drupal\Core\Access\AccessResultInterface
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64 * The access result.
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65 */
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66 public function access(Route $route, RouteMatchInterface $route_match, AccountInterface $account, $view_mode_name = 'default', $bundle = NULL) {
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67 $access = AccessResult::neutral();
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68 if ($entity_type_id = $route->getDefault('entity_type_id')) {
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69 if (empty($bundle)) {
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70 $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
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71 $bundle = $route_match->getRawParameter($entity_type->getBundleEntityType());
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72 }
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73
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74 $visibility = FALSE;
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75 if ($view_mode_name == 'default') {
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76 $visibility = TRUE;
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77 }
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78 elseif ($entity_display = $this->entityTypeManager->getStorage('entity_view_display')->load($entity_type_id . '.' . $bundle . '.' . $view_mode_name)) {
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79 $visibility = $entity_display->status();
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80 }
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81
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82 if ($view_mode_name != 'default' && $entity_display) {
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83 $access->addCacheableDependency($entity_display);
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84 }
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85
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86 if ($visibility) {
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87 $permission = $route->getRequirement('_field_ui_view_mode_access');
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88 $access = $access->orIf(AccessResult::allowedIfHasPermission($account, $permission));
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89 }
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90 }
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91 return $access;
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92 }
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93
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94 }
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