snapshot of https://github.com/espocrm/espocrm.git (master, 2026-09-18; blobs > 131072B omitted)

application/Espo/Classes/RecordHooks/EmailAccount/BeforeCreate.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 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\EmailAccount;
+
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Record\Hook\SaveHook;
+use Espo\Core\Utils\Config;
+use Espo\Entities\EmailAccount;
+use Espo\Entities\User;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use const PHP_INT_MAX;
+
+/**
+ * @implements SaveHook<EmailAccount>
+ */
+class BeforeCreate implements SaveHook
+{
+    public function __construct(
+        private User $user,
+        private Config $config,
+        private EntityManager $entityManager
+    ) {}
+
+    public function process(Entity $entity): void
+    {
+        if ($this->user->isEffectiveAdmin()) {
+            return;
+        }
+
+        $entity->set('assignedUserId', $this->user->getId());
+
+        $count = $this->entityManager
+            ->getRDBRepository(EmailAccount::ENTITY_TYPE)
+            ->where(['assignedUserId' => $this->user->getId()])
+            ->count();
+
+        if ($count >= $this->config->get('maxEmailAccountCount', PHP_INT_MAX)) {
+            throw new Forbidden("Email Account number for user limit exceeded.");
+        }
+    }
+}

application/Espo/Classes/RecordHooks/EmailAccount/BeforeSave.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 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\EmailAccount;
+
+use Espo\Core\Acl;
+use Espo\Core\Exceptions\Error\Body;
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Record\Hook\SaveHook;
+use Espo\Entities\EmailAccount;
+use Espo\Entities\EmailFolder;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use RuntimeException;
+use stdClass;
+
+/**
+ * @implements SaveHook<EmailAccount>
+ */
+class BeforeSave implements SaveHook
+{
+    public function __construct(
+        private EntityManager $entityManager,
+        private Acl $acl,
+    ) {}
+
+    public function process(Entity $entity): void
+    {
+        $this->checkFolderMap($entity);
+    }
+
+    /**
+     * @throws Forbidden
+     */
+    private function checkFolderMap(EmailAccount $entity): void
+    {
+        if (!$entity->isAttributeChanged('folderMap')) {
+            return;
+        }
+
+        $map = $entity->get('folderMap');
+
+        if ($map === null) {
+            return;
+        }
+
+        if (!$map instanceof stdClass) {
+            throw new RuntimeException("Bad folderMap.");
+        }
+
+        foreach (get_object_vars($map) as $folderId) {
+            if ($folderId === null) {
+                continue;
+            }
+
+            if (!is_string($folderId)) {
+                throw new RuntimeException("Bad folderMap item.");
+            }
+
+            $folderEntry = $this->entityManager->getRepositoryByClass(EmailFolder::class)->getById($folderId);
+
+            if (!$folderEntry) {
+                throw Forbidden::createWithBody('noFolder',
+                    Body::create()->withMessageTranslation('noFolder', EmailAccount::ENTITY_TYPE)
+                );
+            }
+
+            if (!$this->acl->checkEntityRead($folderEntry)) {
+                throw new Forbidden("No access to mapped folder $folderId.");
+            }
+        }
+    }
+}

application/Espo/Classes/RecordHooks/EmailAccount/BeforeSaveValidateHosts.php

@@ -0,0 +1,124 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 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\EmailAccount;
+
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Record\Hook\SaveHook;
+use Espo\Core\Utils\Config;
+use Espo\Core\Utils\Security\HostCheck;
+use Espo\Entities\EmailAccount;
+use Espo\Entities\InboundEmail;
+use Espo\ORM\Entity;
+
+/**
+ * @implements SaveHook<EmailAccount|InboundEmail>
+ */
+class BeforeSaveValidateHosts implements SaveHook
+{
+    public function __construct(
+        private Config $config,
+        private HostCheck $hostCheck,
+    ) {}
+
+    public function process(Entity $entity): void
+    {
+        if ($entity->isAttributeChanged('host') || $entity->isAttributeChanged('port')) {
+            $this->validateImap($entity);
+        }
+
+        if ($entity->isAttributeChanged('smtpHost') || $entity->isAttributeChanged('smtpPort')) {
+            $this->validateSmtp($entity);
+        }
+    }
+
+    /**
+     * @throws Forbidden
+     */
+    private function validateImap(EmailAccount|InboundEmail $entity): void
+    {
+        $host = $entity->getHost();
+        $port = $entity->getPort();
+
+        if ($host === null || $port === null) {
+            return;
+        }
+
+        $address = $host . ':' . $port;
+
+        if (in_array($address, $this->getAllowedAddressList())) {
+            return;
+        }
+
+        if (!$this->hostCheck->isHostAndNotInternal($host)) {
+            $message = $this->composeErrorMessage($host, $address);
+
+            throw new Forbidden($message);
+        }
+    }
+
+    /**
+     * @throws Forbidden
+     */
+    private function validateSmtp(EmailAccount|InboundEmail $entity): void
+    {
+        $host = $entity->getSmtpHost();
+        $port = $entity->getSmtpPort();
+
+        if ($host === null || $port === null) {
+            return;
+        }
+
+        $address = $host . ':' . $port;
+
+        if (in_array($address, $this->getAllowedAddressList())) {
+            return;
+        }
+
+        if (!$this->hostCheck->isHostAndNotInternal($host)) {
+            $message = $this->composeErrorMessage($host, $address);
+
+            throw new Forbidden($message);
+        }
+    }
+
+    /**
+     * @return string[]
+     */
+    private function getAllowedAddressList(): array
+    {
+        return $this->config->get('emailServerAllowedAddressList') ?? [];
+    }
+
+    private function composeErrorMessage(string $host, string $address): string
+    {
+        return "Host '$host' is not allowed as it's internal. " .
+            "To allow, add `$address` to the config parameter `emailServerAllowedAddressList`.";
+    }
+}