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PDF: Started new command option, merged options, simplified dompdf

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- Updated DOMPDF to direcly use library instead of depending on barry
wrapper.
- Merged existing export options file into single exports file.
- Defined option for new command option.

Related to #4732
This commit is contained in:
Dan Brown
2024-04-22 16:40:42 +01:00
parent d949b97cc1
commit bb6670d395
8 changed files with 110 additions and 150 deletions
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56
app/Entities/Tools/PdfGenerator.php
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@ -2,27 +2,32 @@
namespace BookStack\Entities\Tools;
use Barryvdh\DomPDF\Facade\Pdf as DomPDF;
use Barryvdh\Snappy\Facades\SnappyPdf;
use Dompdf\Dompdf;
class PdfGenerator
{
const ENGINE_DOMPDF = 'dompdf';
const ENGINE_WKHTML = 'wkhtml';
const ENGINE_COMMAND = 'command';
/**
* Generate PDF content from the given HTML content.
*/
public function fromHtml(string $html): string
{
if ($this->getActiveEngine() === self::ENGINE_WKHTML) {
$engine = $this->getActiveEngine();
if ($engine === self::ENGINE_WKHTML) {
$pdf = SnappyPDF::loadHTML($html);
$pdf->setOption('print-media-type', true);
} else {
$pdf = DomPDF::loadHTML($html);
return $pdf->output();
} else if ($engine === self::ENGINE_COMMAND) {
// TODO - Support PDF command
return '';
}
return $pdf->output();
return $this->renderUsingDomPdf($html);
}
/**
@ -31,8 +36,45 @@ class PdfGenerator
*/
public function getActiveEngine(): string
{
$useWKHTML = config('snappy.pdf.binary') !== false && config('app.allow_untrusted_server_fetching') === true;
$wkhtmlBinaryPath = config('snappy.pdf.binary');
if (file_exists(base_path('wkhtmltopdf'))) {
$wkhtmlBinaryPath = base_path('wkhtmltopdf');
}
return $useWKHTML ? self::ENGINE_WKHTML : self::ENGINE_DOMPDF;
if (is_string($wkhtmlBinaryPath) && config('app.allow_untrusted_server_fetching') === true) {
return self::ENGINE_WKHTML;
}
return self::ENGINE_DOMPDF;
}
protected function renderUsingDomPdf(string $html): string
{
$options = config('exports.dompdf');
$domPdf = new Dompdf($options);
$domPdf->setBasePath(base_path('public'));
$domPdf->loadHTML($this->convertEntities($html));
$domPdf->render();
return (string) $domPdf->output();
}
/**
* Taken from https://github.com/barryvdh/laravel-dompdf/blob/v2.1.1/src/PDF.php
* Copyright (c) 2021 barryvdh, MIT License
* https://github.com/barryvdh/laravel-dompdf/blob/v2.1.1/LICENSE
*/
protected function convertEntities(string $subject): string
{
$entities = [
'€' => '€',
'£' => '£',
];
foreach ($entities as $search => $replace) {
$subject = str_replace($search, $replace, $subject);
}
return $subject;
}
}