Version 1

[yaffs-website] / web / core / modules / comment / src / Plugin / Validation / Constraint / CommentNameConstraintValidator.php

diff --git a/web/core/modules/comment/src/Plugin/Validation/Constraint/CommentNameConstraintValidator.php b/web/core/modules/comment/src/Plugin/Validation/Constraint/CommentNameConstraintValidator.php
new file mode 100644 (file)
index 0000000..87cdaf9
--- /dev/null
+++ b/web/core/modules/comment/src/Plugin/Validation/Constraint/CommentNameConstraintValidator.php
@@ -0,0 +1,101 @@
+<?php
+
+namespace Drupal\comment\Plugin\Validation\Constraint;
+
+use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\user\UserStorageInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\comment\CommentInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+
+/**
+ * Validates the CommentName constraint.
+ */
+class CommentNameConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface {
+
+  /**
+   * Validator 2.5 and upwards compatible execution context.
+   *
+   * @var \Symfony\Component\Validator\Context\ExecutionContextInterface
+   */
+  protected $context;
+
+  /**
+   * User storage handler.
+   *
+   * @var \Drupal\user\UserStorageInterface
+   */
+  protected $userStorage;
+
+  /**
+   * Constructs a new CommentNameConstraintValidator.
+   *
+   * @param \Drupal\user\UserStorageInterface $user_storage
+   *   The user storage handler.
+   */
+  public function __construct(UserStorageInterface $user_storage) {
+    $this->userStorage = $user_storage;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static($container->get('entity.manager')->getStorage('user'));
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validate($entity, Constraint $constraint) {
+    $author_name = $entity->name->value;
+    $owner_id = (int) $entity->uid->target_id;
+
+    // Do not allow unauthenticated comment authors to use a name that is
+    // taken by a registered user.
+    if (isset($author_name) && $author_name !== '' && $owner_id === 0) {
+      $users = $this->userStorage->loadByProperties(['name' => $author_name]);
+      if (!empty($users)) {
+        $this->context->buildViolation($constraint->messageNameTaken, ['%name' => $author_name])
+          ->atPath('name')
+          ->addViolation();
+      }
+    }
+    // If an author name and owner are given, make sure they match.
+    elseif (isset($author_name) && $author_name !== '' && $owner_id) {
+      $owner = $this->userStorage->load($owner_id);
+      if ($owner->getUsername() != $author_name) {
+        $this->context->buildViolation($constraint->messageMatch)
+          ->atPath('name')
+          ->addViolation();
+      }
+    }
+
+    // Anonymous account might be required - depending on field settings.
+    if ($owner_id === 0 && empty($author_name) &&
+      $this->getAnonymousContactDetailsSetting($entity) === COMMENT_ANONYMOUS_MUST_CONTACT) {
+      $this->context->buildViolation($constraint->messageRequired)
+        ->atPath('name')
+        ->addViolation();
+    }
+  }
+
+  /**
+   * Gets the anonymous contact details setting from the comment.
+   *
+   * @param \Drupal\comment\CommentInterface $comment
+   *   The entity.
+   *
+   * @return int
+   *   The anonymous contact setting.
+   */
+  protected function getAnonymousContactDetailsSetting(CommentInterface $comment) {
+    return $comment
+      ->getCommentedEntity()
+      ->get($comment->getFieldName())
+      ->getFieldDefinition()
+      ->getSetting('anonymous');
+  }
+
+}