Initial commit

application/Espo/Classes/RecordHooks/Attachment/AfterCreate.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\Attachment;
+
+use Espo\Core\Record\Hook\SaveHook;
+use Espo\Entities\Attachment;
+use Espo\ORM\Entity;
+
+/**
+ * @implements SaveHook<Attachment>
+ */
+class AfterCreate implements SaveHook
+{
+    public function process(Entity $entity): void
+    {
+        $entity->clear('contents');
+    }
+}

application/Espo/Classes/RecordHooks/Attachment/BeforeCreate.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\Attachment;
+
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Record\Hook\SaveHook;
+use Espo\Core\Utils\Config;
+use Espo\Core\Utils\Metadata;
+use Espo\Entities\Attachment;
+use Espo\ORM\Entity;
+use Espo\Tools\Attachment\Checker;
+use Espo\Tools\Attachment\DetailsObtainer;
+
+/**
+ * @implements SaveHook<Attachment>
+ */
+class BeforeCreate implements SaveHook
+{
+    public function __construct(
+        private Config $config,
+        private Metadata $metadata,
+        private DetailsObtainer $detailsObtainer,
+        private Checker $checker
+    ) {}
+
+    public function process(Entity $entity): void
+    {
+        $this->processStorage($entity);
+        $this->processRole($entity);
+        $this->processSize($entity);
+
+        $this->checker->checkType($entity);
+    }
+
+    private function processStorage(Attachment $entity): void
+    {
+        $storage = $entity->getStorage();
+
+        $availableStorageList = $this->config->get('attachmentAvailableStorageList') ?? [];
+
+        if (
+            $storage &&
+            (
+                !in_array($storage, $availableStorageList) ||
+                !$this->metadata->get(['app', 'fileStorage', 'implementationClassNameMap', $storage])
+            )
+        ) {
+            $entity->clear('storage');
+        }
+    }
+
+    /**
+     * @throws Forbidden
+     */
+    private function processSize(Attachment $entity): void
+    {
+        $size = $entity->getSize();
+
+        $maxSize = $this->detailsObtainer->getUploadMaxSize($entity);
+
+        // Checking not actual file size but a set value.
+        if ($size && $size > $maxSize) {
+            throw new Forbidden("Attachment size exceeds `attachmentUploadMaxSize`.");
+        }
+    }
+
+    private function processRole(Attachment $entity): void
+    {
+        if (!$entity->getRole()) {
+            $entity->setRole(Attachment::ROLE_ATTACHMENT);
+        }
+    }
+}