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1 <?php
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2
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3 namespace Drupal\node\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\Session\AccountInterface;
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10 use Drupal\node\NodeTypeInterface;
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11
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12 /**
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13 * Determines access to for node add pages.
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14 *
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15 * @ingroup node_access
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16 */
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17 class NodeAddAccessCheck implements AccessInterface {
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18 use DeprecatedServicePropertyTrait;
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19
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20 /**
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21 * {@inheritdoc}
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22 */
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23 protected $deprecatedProperties = ['entityManager' => 'entity.manager'];
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24
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25 /**
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26 * The entity type manager.
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27 *
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28 * @var \Drupal\Core\Entity\EntityTypeManagerInterface
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29 */
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30 protected $entityTypeManager;
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31
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32 /**
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33 * Constructs a EntityCreateAccessCheck object.
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34 *
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35 * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
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36 * The entity type manager.
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37 */
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38 public function __construct(EntityTypeManagerInterface $entity_type_manager) {
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39 $this->entityTypeManager = $entity_type_manager;
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40 }
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41
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42 /**
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43 * Checks access to the node add page for the node type.
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44 *
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45 * @param \Drupal\Core\Session\AccountInterface $account
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46 * The currently logged in account.
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47 * @param \Drupal\node\NodeTypeInterface $node_type
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48 * (optional) The node type. If not specified, access is allowed if there
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49 * exists at least one node type for which the user may create a node.
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50 *
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51 * @return string
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52 * A \Drupal\Core\Access\AccessInterface constant value.
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53 */
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54 public function access(AccountInterface $account, NodeTypeInterface $node_type = NULL) {
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55 $access_control_handler = $this->entityTypeManager->getAccessControlHandler('node');
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56 // If checking whether a node of a particular type may be created.
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57 if ($account->hasPermission('administer content types')) {
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58 return AccessResult::allowed()->cachePerPermissions();
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59 }
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60 if ($node_type) {
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61 return $access_control_handler->createAccess($node_type->id(), $account, [], TRUE);
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62 }
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63 // If checking whether a node of any type may be created.
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64 foreach ($this->entityTypeManager->getStorage('node_type')->loadMultiple() as $node_type) {
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65 if (($access = $access_control_handler->createAccess($node_type->id(), $account, [], TRUE)) && $access->isAllowed()) {
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66 return $access;
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67 }
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68 }
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69
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70 // No opinion.
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71 return AccessResult::neutral();
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72 }
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73
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74 }
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