83a894823f
* allow to input password interactively in console * added block to simplify overwriting export template parts * prevent installation in PHP 8.1 * composer update * phpunit version to 9 * support negative amounts in excel export * added system configuration actions for calendar, weekly timesheet, users * added method to render text with full markdown support
101 lines
3.0 KiB
PHP
101 lines
3.0 KiB
PHP
<?php
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/*
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* This file is part of the Kimai time-tracking app.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace App\Utils;
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use App\Constants;
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use Mpdf\Config\ConfigVariables;
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use Mpdf\Config\FontVariables;
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use Mpdf\Mpdf;
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use Mpdf\Output\Destination;
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class MPdfConverter implements HtmlToPdfConverter
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{
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/**
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* @var string
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*/
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private $cacheDirectory;
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public function __construct(string $cacheDirectory)
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{
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$this->cacheDirectory = $cacheDirectory;
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}
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protected function sanitizeOptions(array $options): array
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{
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$configs = new ConfigVariables();
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$fonts = new FontVariables();
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$allowed = [
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'mode', 'format', 'default_font_size', 'default_font', 'margin_left', 'margin_right', 'margin_top',
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'margin_bottom', 'margin_header', 'margin_footer', 'orientation'
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];
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$filtered = array_filter($options, function ($key) use ($allowed, $configs, $fonts) {
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if (!\in_array($key, $allowed)) {
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if (!\array_key_exists($key, $configs->getDefaults())) {
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return \array_key_exists($key, $fonts->getDefaults());
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}
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}
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return true;
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}, ARRAY_FILTER_USE_KEY);
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if (\array_key_exists('tempDir', $filtered)) {
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unset($filtered['tempDir']);
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}
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return $filtered;
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}
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/**
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* @param string $html
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* @param array $options
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* @return string
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* @throws \Mpdf\MpdfException
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*/
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public function convertToPdf(string $html, array $options = []): string
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{
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$options = array_merge(
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$this->sanitizeOptions($options),
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['tempDir' => $this->cacheDirectory, 'exposeVersion' => false]
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);
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$mpdf = new Mpdf($options);
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$mpdf->creator = Constants::SOFTWARE;
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// some OS do not follow the PHP default settings
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if ((int) ini_get('pcre.backtrack_limit') < 1000000) {
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@ini_set('pcre.backtrack_limit', '1000000');
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}
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// large amount of data take time
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@ini_set('max_execution_time', '120');
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// reduce the size of content parts that are passed to MPDF, to prevent
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// https://mpdf.github.io/troubleshooting/known-issues.html#blank-pages-or-some-sections-missing
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$parts = explode('<pagebreak>', $html);
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for ($i = 0; $i < \count($parts); $i++) {
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if (stripos($parts[$i], '<!-- CONTENT_PART -->') !== false) {
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$subParts = explode('<!-- CONTENT_PART -->', $parts[$i]);
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foreach ($subParts as $subPart) {
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$mpdf->WriteHTML($subPart);
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}
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} else {
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$mpdf->WriteHTML($parts[$i]);
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}
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if ($i < \count($parts) - 1) {
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$mpdf->WriteHTML('<pagebreak>');
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}
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}
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return $mpdf->Output('', Destination::STRING_RETURN);
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}
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}
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