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application/Espo/Tools/Pdf/Zipper.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;
+
+use Espo\Core\Utils\Util;
+use LogicException;
+use RuntimeException;
+use ZipArchive;
+
+class Zipper
+{
+    private ?string $filePath = null;
+    /** @var array{string, string}[] */
+    private array $itemList = [];
+
+    public function __construct() {}
+
+    public function add(Contents $contents, string $name): void
+    {
+        $tempPath = tempnam(sys_get_temp_dir(), 'espo-pdf-zip-item');
+
+        if ($tempPath === false) {
+            throw new RuntimeException("Could not create a temp file.");
+        }
+
+        $fp = fopen($tempPath, 'w');
+
+        if ($fp === false) {
+            throw new RuntimeException("Could not open a temp file {$tempPath}.");
+        }
+
+        fwrite($fp, $contents->getString());
+        fclose($fp);
+
+        $this->itemList[] = [$tempPath, Util::sanitizeFileName($name) . '.pdf'];
+    }
+
+    public function archive(): void
+    {
+        $tempPath = tempnam(sys_get_temp_dir(), 'espo-pdf-zip');
+
+        if ($tempPath === false) {
+            throw new RuntimeException("Could not create a temp file.");
+        }
+
+        $archive = new ZipArchive();
+        $archive->open($tempPath, ZipArchive::CREATE);
+
+        foreach ($this->itemList as $item) {
+            $archive->addFile($item[0], $item[1]);
+        }
+
+        $archive->close();
+
+        $this->filePath = $tempPath;
+    }
+
+    public function getFilePath(): string
+    {
+        if (!$this->filePath) {
+            throw new LogicException();
+        }
+
+        return $this->filePath;
+    }
+}