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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Ekino New Relic bundle. |
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* |
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* (c) Ekino - Thomas Rabaix <[email protected]> |
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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 Ekino\NewRelicBundle\Listener; |
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use Ekino\NewRelicBundle\NewRelic\Config; |
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use Ekino\NewRelicBundle\NewRelic\NewRelicInteractorInterface; |
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use Ekino\NewRelicBundle\Twig\NewRelicExtension; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpKernel\Event\FilterResponseEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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class ResponseListener implements EventSubscriberInterface |
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{ |
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private $newRelic; |
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private $interactor; |
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private $instrument; |
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private $symfonyCache; |
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private $newRelicTwigExtension; |
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public function __construct( |
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Config $newRelic, |
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NewRelicInteractorInterface $interactor, |
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bool $instrument = false, |
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bool $symfonyCache = false, |
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NewRelicExtension $newRelicTwigExtension = null |
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) { |
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$this->newRelic = $newRelic; |
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$this->interactor = $interactor; |
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$this->instrument = $instrument; |
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$this->symfonyCache = $symfonyCache; |
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$this->newRelicTwigExtension = $newRelicTwigExtension; |
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} |
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public static function getSubscribedEvents(): array |
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{ |
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return [ |
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KernelEvents::RESPONSE => [ |
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['onKernelResponse', -255], |
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], |
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]; |
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} |
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public function onKernelResponse(FilterResponseEvent $event): void |
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{ |
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if (!$event->isMasterRequest()) { |
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return; |
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} |
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if (null === $this->newRelicTwigExtension || false === $this->newRelicTwigExtension->isUsed()) { |
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foreach ($this->newRelic->getCustomMetrics() as $name => $value) { |
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$this->interactor->addCustomMetric((string) $name, (float) $value); |
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} |
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foreach ($this->newRelic->getCustomParameters() as $name => $value) { |
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$this->interactor->addCustomParameter((string) $name, $value); |
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} |
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} |
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foreach ($this->newRelic->getCustomEvents() as $name => $events) { |
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foreach ($events as $attributes) { |
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$this->interactor->addCustomEvent((string) $name, $attributes); |
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} |
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} |
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if ($this->instrument) { |
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if (null === $this->newRelicTwigExtension || false === $this->newRelicTwigExtension->isUsed()) { |
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$this->interactor->disableAutoRUM(); |
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} |
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// Some requests might not want to get instrumented |
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if ($event->getRequest()->attributes->get('_instrument', true)) { |
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$response = $event->getResponse(); |
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// We can only instrument HTML responses |
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if ('text/html' === \substr($response->headers->get('Content-Type'), 0, 9)) { |
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$responseContent = $response->getContent(); |
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$response->setContent(''); // free the memory |
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if ((null === $this->newRelicTwigExtension || false === $this->newRelicTwigExtension->isHeaderCalled()) && false !== ($pos = stripos($responseContent, '<head>'))) { |
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$responseContent = substr($responseContent, 0, $pos + 6).$this->interactor->getBrowserTimingHeader().substr($responseContent, $pos + 6); |
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} |
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if ((null === $this->newRelicTwigExtension || false === $this->newRelicTwigExtension->isFooterCalled()) && false !== ($pos = stripos($responseContent, '</body>'))) { |
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$responseContent = substr($responseContent, 0, $pos).$this->interactor->getBrowserTimingFooter().substr($responseContent, $pos); |
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} |
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$response->setContent($responseContent); |
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} |
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} |
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} |
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if ($this->symfonyCache) { |
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$this->interactor->endTransaction(); |
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} |
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} |
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} |
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ekino /
EkinoNewRelicBundle
