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<?php
/*
* This file is part of Sulu.
*
* (c) Sulu GmbH
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Sulu\Bundle\WebsiteBundle\EventListener;
use Sulu\Bundle\WebsiteBundle\Entity\AnalyticsInterface;
use Sulu\Bundle\WebsiteBundle\Entity\AnalyticsRepositoryInterface;
use Sulu\Component\Webspace\Analyzer\RequestAnalyzerInterface;
use Symfony\Component\HttpKernel\Event\ResponseEvent;
use Twig\Environment;
/**
* Appends analytics scripts into body.
*/
class AppendAnalyticsListener
{
private static $positions = [
'head-open' => [
'regex' => '/(<head [^>]*>|<head>)/',
'sprintf' => '$1%s',
],
'head-close' => [
'regex' => '/<\/head>/',
'sprintf' => '%s</head>',
],
'body-open' => [
'regex' => '/(<body [^>]*>|<body>)/',
'sprintf' => '$1%s',
],
'body-close' => [
'regex' => '/<\/body>/',
'sprintf' => '%s</body>',
],
];
/**
* @var Environment
*/
private $engine;
/**
* @var RequestAnalyzerInterface
*/
private $requestAnalyzer;
/**
* @var AnalyticsRepositoryInterface
*/
private $analyticsRepository;
/**
* @var string
*/
private $environment;
/**
* @var bool
*/
private $preview;
/**
* @param $environment
*/
public function __construct(
Environment $engine,
RequestAnalyzerInterface $requestAnalyzer,
AnalyticsRepositoryInterface $analyticsRepository,
$environment,
bool $preview = false
) {
$this->engine = $engine;
$this->requestAnalyzer = $requestAnalyzer;
$this->analyticsRepository = $analyticsRepository;
$this->environment = $environment;
$this->preview = $preview;
}
/**
* Appends analytics scripts into body.
*/
public function onResponse(ResponseEvent $event)
{
if (!$event->isMasterRequest()
|| $this->preview
) {
return;
}
$response = $event->getResponse();
if (0 !== \strpos($response->headers->get('Content-Type'), 'text/html')
|| !$response->getContent()
|| null === $this->requestAnalyzer->getPortalInformation()
) {
return;
}
$portalUrl = $this->requestAnalyzer->getAttribute('urlExpression');
if (!$portalUrl) {
return;
}
$analyticsArray = $this->analyticsRepository->findByUrl(
$portalUrl,
$this->requestAnalyzer->getPortalInformation()->getWebspaceKey(),
$this->environment
);
$analyticsContent = [];
foreach ($analyticsArray as $analytics) {
$analyticsContent = $this->generateAnalyticsContent($analyticsContent, $analytics);
}
$response = $event->getResponse();
$response->setContent($this->setAnalyticsContent($response->getContent(), $analyticsContent));
}
/**
* Generate content for each possible position.
*
* @return array
*/
protected function generateAnalyticsContent(array $analyticsContent, AnalyticsInterface $analytics)
{
foreach (\array_keys(self::$positions) as $position) {
$template = '@SuluWebsite/Analytics/' . $analytics->getType() . '/' . $position . '.html.twig';
if (!$this->engine->getLoader()->exists($template)) {
continue;
}
$content = $this->engine->render($template, ['analytics' => $analytics]);
if (!$content) {
continue;
}
if (!\array_key_exists($position, $analyticsContent)) {
$analyticsContent[$position] = '';
}
$analyticsContent[$position] .= $content;
}
return $analyticsContent;
}
/**
* Set the generated content for each position.
*
* @param string $responseContent
*
* @return string
*/
protected function setAnalyticsContent($responseContent, array $analyticsContent)
{
foreach ($analyticsContent as $id => $content) {
if (!$content) {
continue;
}
$responseContent = \preg_replace(
self::$positions[$id]['regex'],
\sprintf(self::$positions[$id]['sprintf'], $content),
$responseContent
);
}
return $responseContent;
}
}

vendor/sulu/sulu/src/Sulu/Bundle/WebsiteBundle/EventListener/AppendAnalyticsListener.php line 89