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application/Espo/Classes/RecordHooks/Note/AssignmentCheck.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\RecordHooks\Note;
+
+use Espo\Core\Acl;
+use Espo\Core\Acl\Permission;
+use Espo\Core\Acl\Table as AclTable;
+use Espo\Core\Exceptions\BadRequest;
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Name\Field;
+use Espo\Core\Record\Hook\SaveHook;
+use Espo\Entities\Note;
+use Espo\Entities\User;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Name\Attribute;
+use Espo\Repositories\User as UserRepository;
+
+/**
+ * @implements SaveHook<Note>
+ */
+class AssignmentCheck implements SaveHook
+{
+    public function __construct(
+        private User $user,
+        private Acl $acl,
+        private EntityManager $entityManager
+    ) {}
+
+    public function process(Entity $entity): void
+    {
+        $targetType = $entity->getTargetType();
+
+        if (!$targetType) {
+            return;
+        }
+
+        $userTeamIdList = $this->user->getTeamIdList();
+
+        $userIdList = $entity->getLinkMultipleIdList('users');
+        $portalIdList = $entity->getLinkMultipleIdList('portals');
+        $teamIdList = $entity->getLinkMultipleIdList(Field::TEAMS);
+
+        /** @var iterable<User> $targetUserList */
+        $targetUserList = [];
+
+        if ($targetType === Note::TARGET_USERS) {
+            /** @var iterable<User> $targetUserList */
+            $targetUserList = $this->entityManager
+                ->getRDBRepository(User::ENTITY_TYPE)
+                ->select([Attribute::ID, 'type'])
+                ->where([Attribute::ID => $userIdList])
+                ->find();
+        }
+
+        $hasPortalTargetUser = false;
+        $allTargetUsersArePortal = true;
+
+        foreach ($targetUserList as $user) {
+            if (!$user->isPortal()) {
+                $allTargetUsersArePortal = false;
+            }
+
+            if ($user->isPortal()) {
+                $hasPortalTargetUser = true;
+            }
+        }
+
+        $messagePermission = $this->acl->getPermissionLevel(Permission::MESSAGE);
+
+        if ($messagePermission === AclTable::LEVEL_NO) {
+            if (
+                $targetType !== Note::TARGET_SELF &&
+                $targetType !== Note::TARGET_PORTALS &&
+                !(
+                    $targetType === Note::TARGET_USERS &&
+                    count($userIdList) === 1 &&
+                    $userIdList[0] === $this->user->getId()
+                ) &&
+                !(
+                    $targetType === Note::TARGET_USERS && $allTargetUsersArePortal
+                )
+            ) {
+                throw new Forbidden('Not permitted to post to anybody except self.');
+            }
+        }
+
+        if ($targetType === Note::TARGET_TEAMS) {
+            if (empty($teamIdList)) {
+                throw new BadRequest("No team IDS.");
+            }
+        }
+
+        if ($targetType === Note::TARGET_USERS) {
+            if (empty($userIdList)) {
+                throw new BadRequest("No user IDs.");
+            }
+        }
+
+        if ($targetType === Note::TARGET_PORTALS) {
+            if (empty($portalIdList)) {
+                throw new BadRequest("No portal IDs.");
+            }
+
+            if ($this->acl->getPermissionLevel(Permission::PORTAL) !== AclTable::LEVEL_YES) {
+                throw new Forbidden('Not permitted to post to portal users.');
+            }
+        }
+
+        if (
+            $targetType === Note::TARGET_USERS &&
+            $this->acl->getPermissionLevel(Permission::PORTAL) !== AclTable::LEVEL_YES
+        ) {
+            if ($hasPortalTargetUser) {
+                throw new Forbidden('Not permitted to post to portal users.');
+            }
+        }
+
+        if ($messagePermission === AclTable::LEVEL_TEAM) {
+            if ($targetType === Note::TARGET_ALL) {
+                throw new Forbidden('Not permitted to post to all.');
+            }
+        }
+
+        if (
+            $messagePermission === AclTable::LEVEL_TEAM &&
+            $targetType === Note::TARGET_TEAMS
+        ) {
+            if (empty($userTeamIdList)) {
+                throw new Forbidden('Not permitted to post to foreign teams.');
+            }
+
+            foreach ($teamIdList as $teamId) {
+                if (!in_array($teamId, $userTeamIdList)) {
+                    throw new Forbidden("Not permitted to post to foreign teams.");
+                }
+            }
+        }
+
+        if (
+            $messagePermission === AclTable::LEVEL_TEAM &&
+            $targetType === Note::TARGET_USERS
+        ) {
+            if (empty($userTeamIdList)) {
+                throw new Forbidden('Not permitted to post to users from foreign teams.');
+            }
+
+            foreach ($targetUserList as $user) {
+                if ($user->getId() === $this->user->getId()) {
+                    continue;
+                }
+
+                if ($user->isPortal()) {
+                    continue;
+                }
+
+                $inTeam = $this->getUserRepository()->checkBelongsToAnyOfTeams($user->getId(), $userTeamIdList);
+
+                if (!$inTeam) {
+                    throw new Forbidden('Not permitted to post to users from foreign teams.');
+                }
+            }
+        }
+    }
+
+    private function getUserRepository(): UserRepository
+    {
+        /** @var UserRepository */
+        return $this->entityManager->getRepository(User::ENTITY_TYPE);
+    }
+}