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<?php
/* Icinga Web 2 | (c) 2022 Icinga GmbH | GPLv2+ */
namespace Icinga\Common;
use Icinga\Application\Icinga;
use Icinga\Date\DateFormatter;
use Icinga\Exception\ConfigurationError;
use Icinga\Module\Pdfexport\PrintableHtmlDocument;
use Icinga\Util\Environment;
use Icinga\Web\Controller;
use ipl\Html\Html;
use ipl\Html\HtmlString;
use ipl\Html\ValidHtml;
use ipl\Web\Compat\CompatController;
use ipl\Web\Url;
trait PdfExport
{
/** @var string The image to show in a pdf exports page header */
private $pdfHeaderImage = 'img/icinga-logo-big-dark.png';
/**
* Export the requested action to PDF and send it
*
* @return never
* @throws ConfigurationError If the pdfexport module is not available
*/
protected function sendAsPdf()
{
if (! Icinga::app()->getModuleManager()->has('pdfexport')) {
throw new ConfigurationError('The pdfexport module is required for exports to PDF');
}
putenv('ICINGAWEB_EXPORT_FORMAT=pdf');
Environment::raiseMemoryLimit('512M');
Environment::raiseExecutionTime(300);
$time = DateFormatter::formatDateTime(time());
$iconPath = is_readable($this->pdfHeaderImage)
? $this->pdfHeaderImage
: Icinga::app()->getBootstrapDirectory() . '/' . $this->pdfHeaderImage;
$encodedIcon = is_readable($iconPath) ? base64_encode(file_get_contents($iconPath)) : null;
$html = $this instanceof CompatController && ! $this->content->isEmpty()
? $this->content
: $this->renderControllerAction();
$doc = (new PrintableHtmlDocument())
->setTitle($this->view->title)
->setHeader(Html::wantHtml([
Html::tag('span', ['class' => 'title']),
$encodedIcon
? Html::tag('img', ['height' => 13, 'src' => 'data:image/png;base64,' . $encodedIcon])
: null,
Html::tag('time', null, $time)
]))
->setFooter(Html::wantHtml([
Html::tag('span', null, [
t('Page') . ' ',
Html::tag('span', ['class' => 'pageNumber']),
' / ',
Html::tag('span', ['class' => 'totalPages'])
]),
Html::tag('p', null, rawurldecode(Url::fromRequest()->setParams($this->params)))
]))
->addHtml($html);
if (($moduleName = $this->getRequest()->getModuleName()) !== 'default') {
$doc->getAttributes()->add('class', 'icinga-module module-' . $moduleName);
}
\Icinga\Module\Pdfexport\ProvidedHook\Pdfexport::first()->streamPdfFromHtml($doc, sprintf(
'%s-%s',
$this->view->title ?: $this->getRequest()->getActionName(),
$time
));
}
/**
* Render the requested action
*
* @return ValidHtml
*/
protected function renderControllerAction()
{
/** @var Controller $this */
$this->view->compact = true;
$viewRenderer = $this->getHelper('viewRenderer');
$viewRenderer->postDispatch();
$layoutHelper = $this->getHelper('layout');
$oldLayout = $layoutHelper->getLayout();
$layout = $layoutHelper->setLayout('inline');
$layout->content = $this->getResponse();
$html = $layout->render();
// Restore previous layout and reset content, to properly show errors
$this->getResponse()->clearBody($viewRenderer->getResponseSegment());
$layoutHelper->setLayout($oldLayout);
return HtmlString::create($html);
}
}
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