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1 <?php
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2
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3 namespace Drupal\Core\Entity;
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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\Routing\Access\AccessInterface;
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8 use Drupal\Core\Routing\RouteMatchInterface;
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9 use Drupal\Core\Session\AccountInterface;
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10 use Symfony\Component\Routing\Route;
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11
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12 /**
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13 * Defines an access checker for entity creation.
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14 */
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15 class EntityCreateAccessCheck implements AccessInterface {
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16 use DeprecatedServicePropertyTrait;
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17
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18 /**
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19 * {@inheritdoc}
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20 */
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21 protected $deprecatedProperties = ['entityManager' => 'entity.manager'];
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22
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23 /**
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24 * The entity type manager service.
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25 *
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26 * @var \Drupal\Core\Entity\EntityTypeManagerInterface
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27 */
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28 protected $entityTypeManager;
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29
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30 /**
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31 * The key used by the routing requirement.
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32 *
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33 * @var string
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34 */
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35 protected $requirementsKey = '_entity_create_access';
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36
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37 /**
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38 * Constructs a EntityCreateAccessCheck object.
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39 *
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40 * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
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41 * The entity type manager service.
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42 */
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43 public function __construct(EntityTypeManagerInterface $entity_type_manager) {
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44 if ($entity_type_manager instanceof EntityManagerInterface) {
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45 @trigger_error('Passing the entity.manager service to EntityCreateAccessCheck::__construct() is deprecated in Drupal 8.7.0 and will be removed before Drupal 9.0.0. Pass the new dependencies instead. See https://www.drupal.org/node/2549139.', E_USER_DEPRECATED);
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46 $this->entityTypeManager = \Drupal::entityTypeManager();
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47 }
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48 else {
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49 $this->entityTypeManager = $entity_type_manager;
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50 }
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51 $this->entityTypeManager = $entity_type_manager;
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52 }
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53
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54 /**
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55 * Checks access to create the entity type and bundle for the given route.
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56 *
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57 * @param \Symfony\Component\Routing\Route $route
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58 * The route to check against.
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59 * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
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60 * The parametrized route.
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61 * @param \Drupal\Core\Session\AccountInterface $account
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62 * The currently logged in account.
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63 *
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64 * @return \Drupal\Core\Access\AccessResultInterface
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65 * The access result.
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66 */
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67 public function access(Route $route, RouteMatchInterface $route_match, AccountInterface $account) {
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68 list($entity_type, $bundle) = explode(':', $route->getRequirement($this->requirementsKey) . ':');
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69
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70 // The bundle argument can contain request argument placeholders like
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71 // {name}, loop over the raw variables and attempt to replace them in the
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72 // bundle name. If a placeholder does not exist, it won't get replaced.
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73 if ($bundle && strpos($bundle, '{') !== FALSE) {
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74 foreach ($route_match->getRawParameters()->all() as $name => $value) {
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75 $bundle = str_replace('{' . $name . '}', $value, $bundle);
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76 }
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77 // If we were unable to replace all placeholders, deny access.
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78 if (strpos($bundle, '{') !== FALSE) {
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79 return AccessResult::neutral(sprintf("Could not find '%s' request argument, therefore cannot check create access.", $bundle));
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80 }
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81 }
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82 return $this->entityTypeManager->getAccessControlHandler($entity_type)->createAccess($bundle, $account, [], TRUE);
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83 }
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84
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85 }
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