Code Coverage
 
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Functions and Methods
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 CRAP
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Pdf
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 __construct
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 applyStamp
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 configureCommand
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 5.51
1<?php
2
3declare(strict_types=1);
4/**
5 * SPDX-FileCopyrightText: 2020-2024 LibreCode coop and contributors
6 * SPDX-License-Identifier: AGPL-3.0-or-later
7 */
8
9namespace OCA\Libresign\Handler\PdfTk;
10
11use OCA\Libresign\AppInfo\Application;
12use OCA\Libresign\Exception\FooterStampUnavailableException;
13use OCA\Libresign\Helper\JavaHelper;
14use OCA\Libresign\Vendor\mikehaertl\pdftk\Command;
15use OCA\Libresign\Vendor\mikehaertl\pdftk\Pdf as BasePdf;
16use OCP\IAppConfig;
17use OCP\IL10N;
18use RuntimeException;
19
20class Pdf extends BasePdf {
21    private string $javaPath = '';
22    private string $pdftkPath = '';
23
24    public function __construct(
25        private JavaHelper $javaHelper,
26        private IAppConfig $appConfig,
27        private IL10N $l10n,
28    ) {
29    }
30
31    public function applyStamp(string $input, string $stamp): string {
32        $this->configureCommand();
33
34        $this->addFile($input);
35
36        $buffer = $this->multiStamp($stamp)->toString();
37
38        if (!is_string($buffer)) {
39            throw new RuntimeException('Failed to merge the PDF with the footer.');
40        }
41
42        return $buffer;
43    }
44
45    protected function configureCommand(): void {
46        $this->javaPath = $this->javaHelper->getJavaPath();
47        if ($this->javaPath === '') {
48            throw new FooterStampUnavailableException('Java path not set.');
49        }
50
51        $this->pdftkPath = $this->appConfig->getValueString(Application::APP_ID, 'pdftk_path');
52        if ($this->pdftkPath === '') {
53            throw new FooterStampUnavailableException('PDFtk path not set.');
54        }
55
56        if (!file_exists($this->javaPath) || !file_exists($this->pdftkPath)) {
57            // TRANSLATORS Error while LibreSign tries to stamp the signed PDF footer with PDFtk: Java or PDFtk is not installed yet on the server.
58            throw new FooterStampUnavailableException($this->l10n->t('The admin hasn\'t set up LibreSign yet, please wait.'));
59        }
60
61        $cmd = sprintf('%s -jar %s', escapeshellcmd($this->javaPath), escapeshellarg($this->pdftkPath));
62
63        $this->_command = new Command();
64        $this->_command->setCommand($cmd);
65    }
66}