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application/Espo/Tools/Pdf/Dompdf/Contents.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\Tools\Pdf\Contents as ContentsInterface;
+
+use GuzzleHttp\Psr7\Stream;
+use Psr\Http\Message\StreamInterface;
+use Dompdf\Dompdf;
+
+use RuntimeException;
+
+class Contents implements ContentsInterface
+{
+    private ?string $string = null;
+
+    public function __construct(private Dompdf $pdf) {}
+
+    public function getStream(): StreamInterface
+    {
+        $resource = fopen('php://temp', 'r+');
+
+        if ($resource === false) {
+            throw new RuntimeException("Could not open temp.");
+        }
+
+        fwrite($resource, $this->getString());
+        rewind($resource);
+
+        return new Stream($resource);
+    }
+
+    public function getString(): string
+    {
+        if ($this->string === null) {
+            $this->string = $this->pdf->output();
+        }
+
+        return $this->string ?? '';
+    }
+
+    public function getLength(): int
+    {
+        return strlen($this->getString());
+    }
+}