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application/Espo/Classes/Acl/Email/LinkCheckers/ParentLinkChecker.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Acl\Email\LinkCheckers;
+
+use Espo\Core\Acl\LinkChecker;
+use Espo\Core\AclManager;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Entity;
+
+/**
+ * @implements LinkChecker<Email, Entity>
+ * @noinspection PhpUnused
+ */
+class ParentLinkChecker implements LinkChecker
+{
+    public function __construct(
+        private AclManager $aclManager
+    ) {}
+
+    public function check(User $user, Entity $entity, Entity $foreignEntity): bool
+    {
+        if ($this->aclManager->checkEntityRead($user, $foreignEntity)) {
+            return true;
+        }
+
+        $replied = $entity->getReplied();
+
+        if (!$replied) {
+            return false;
+        }
+
+        $parent = $replied->getParent();
+
+        if (
+            !$parent ||
+            $parent->getId() !== $foreignEntity->getId() ||
+            $parent->getEntityType() !== $foreignEntity->getEntityType()
+        ) {
+            return false;
+        }
+
+        return $this->aclManager->checkEntityRead($user, $replied);
+    }
+}