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application/Espo/Tools/Pdf/Dompdf/ImageSourceProvider.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\Tools\Pdf\Dompdf;
+
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\FileStorage\Manager as FileStorageManager;
+use Espo\Entities\Attachment;
+use Espo\ORM\EntityManager;
+use Espo\Tools\Attachment\Checker;
+
+class ImageSourceProvider
+{
+    public function __construct(
+        private EntityManager $entityManager,
+        private Checker $checker,
+        private FileStorageManager $fileStorageManager,
+    ) {}
+
+    public function get(string $id): ?string
+    {
+        /** @var Attachment $attachment */
+        $attachment = $this->entityManager->getEntityById(Attachment::ENTITY_TYPE, $id);
+
+        if (!$attachment) {
+            return null;
+        }
+
+        try {
+            $this->checker->checkTypeImage($attachment);
+        } catch (Forbidden) {
+            return null;
+        }
+
+        $type = $attachment->getType();
+
+        if (!$type) {
+            return null;
+        }
+
+        $contents = $this->fileStorageManager->getContents($attachment);
+
+        return 'data:' . $type . ';base64,' . base64_encode($contents);
+    }
+}