Symfony Profiler

<?php
namespace Bugsnag\BugsnagBundle\EventListener;
use Bugsnag\BugsnagBundle\Request\SymfonyResolver;
use Bugsnag\Client;
use Bugsnag\Report;
use InvalidArgumentException;
use Symfony\Component\Console\ConsoleEvents;
use Symfony\Component\Console\Event\ConsoleErrorEvent;
use Symfony\Component\Console\Event\ConsoleExceptionEvent;
use Symfony\Component\Debug\Exception\OutOfMemoryException;
use Symfony\Component\ErrorHandler\Error\OutOfMemoryError;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\HttpKernel\KernelEvents;
class BugsnagListener implements EventSubscriberInterface
{
/**
* The bugsnag client instance.
*
* @var \Bugsnag\Client
*/
protected $client;
/**
* The request resolver instance.
*
* @var \Bugsnag\BugsnagBundle\Request\SymfonyResolver
*/
protected $resolver;
/**
* If auto notifying is enabled.
*
* @var bool
*/
protected $auto;
/**
* A regex that matches Symfony's OOM errors.
*
* @var string
*/
private $oomRegex = '/Allowed memory size of (\d+) bytes exhausted $tried to allocate \d+ bytes$/';
/**
* Create a new bugsnag listener instance.
*
* @param \Bugsnag\Client $client
* @param \Bugsnag\BugsnagBundle\Request\SymfonyResolver $resolver
* @param bool $auto
*
* @return void
*/
public function __construct(Client $client, SymfonyResolver $resolver, $auto)
{
$this->client = $client;
$this->resolver = $resolver;
$this->auto = $auto;
}
/**
* Handle an incoming request.
*
* @param GetResponseEvent|RequestEvent $event
*
* @return void
*/
public function onKernelRequest($event)
{
// Compatibility with Symfony < 5 and Symfony >=5
if (!$event instanceof GetResponseEvent && !$event instanceof RequestEvent) {
throw new InvalidArgumentException('onKernelRequest function only accepts GetResponseEvent and RequestEvent arguments');
}
if ($event->getRequestType() !== HttpKernelInterface::MASTER_REQUEST) {
return;
}
$this->client->setFallbackType('HTTP');
$this->resolver->set($event->getRequest());
}
/**
* Handle an http kernel exception.
*
* @param GetResponseForExceptionEvent|ExceptionEvent $event
*
* @return void
*/
public function onKernelException($event)
{
$throwable = $this->resolveThrowable($event);
if ($this->isOom($throwable)
&& $this->client->getMemoryLimitIncrease() !== null
&& preg_match($this->oomRegex, $throwable->getMessage(), $matches) === 1
) {
$currentMemoryLimit = (int) $matches[1];
ini_set('memory_limit', $currentMemoryLimit + $this->client->getMemoryLimitIncrease());
}
$this->sendNotify($throwable, []);
}
/**
* Handle a console exception (used instead of ConsoleErrorEvent before
* Symfony 3.3 and kept for backwards compatibility).
*
* @param \Symfony\Component\Console\Event\ConsoleExceptionEvent $event
*
* @return void
*/
public function onConsoleException(ConsoleExceptionEvent $event)
{
$meta = ['status' => $event->getExitCode()];
if ($event->getCommand()) {
$meta['name'] = $event->getCommand()->getName();
}
$this->sendNotify($event->getException(), ['command' => $meta]);
}
/**
* Handle a console error.
*
* @param \Symfony\Component\Console\Event\ConsoleErrorEvent $event
*
* @return void
*/
public function onConsoleError(ConsoleErrorEvent $event)
{
$meta = ['status' => $event->getExitCode()];
if ($event->getCommand()) {
$meta['name'] = $event->getCommand()->getName();
}
$this->sendNotify($event->getError(), ['command' => $meta]);
}
/**
* @param \Throwable $throwable
* @param array $meta
*
* @return void
*/
private function sendNotify($throwable, $meta)
{
if (!$this->auto) {
return;
}
$report = Report::fromPHPThrowable(
$this->client->getConfig(),
$throwable
);
$report->setUnhandled(true);
$report->setSeverityReason([
'type' => 'unhandledExceptionMiddleware',
'attributes' => [
'framework' => 'Symfony',
],
]);
$report->setMetaData($meta);
$this->client->notify($report);
}
/**
* @param GetResponseForExceptionEvent|ExceptionEvent $event
*
* @return \Throwable
*/
private function resolveThrowable($event)
{
// Compatibility with Symfony < 5 and Symfony >=5
// The additional `method_exists` check is to prevent errors in Symfony 4.3
// where the ExceptionEvent exists and is used but doesn't implement
// the `getThrowable` method, which was introduced in Symfony 4.4
if ($event instanceof ExceptionEvent && method_exists($event, 'getThrowable')) {
return $event->getThrowable();
}
if ($event instanceof GetResponseForExceptionEvent) {
return $event->getException();
}
throw new InvalidArgumentException('onKernelException function only accepts GetResponseForExceptionEvent and ExceptionEvent arguments');
}
/**
* Check if this $throwable is an OOM.
*
* This will be represented by an "OutOfMemoryError" on Symfony 4.4+ or an
* "OutOfMemoryException" on earlier versions.
*
* @param \Throwable $throwable
*
* @return bool
*/
private function isOom($throwable)
{
return $throwable instanceof OutOfMemoryError
|| $throwable instanceof OutOfMemoryException;
}
public static function getSubscribedEvents()
{
$listeners = [
KernelEvents::REQUEST => ['onKernelRequest', 256],
KernelEvents::EXCEPTION => ['onKernelException', 128],
];
// Added ConsoleEvents in Symfony 2.3
if (class_exists(ConsoleEvents::class)) {
// Added with ConsoleEvents::ERROR in Symfony 3.3 to deprecate ConsoleEvents::EXCEPTION
if (class_exists(ConsoleErrorEvent::class)) {
$listeners[ConsoleEvents::ERROR] = ['onConsoleError', 128];
} else {
$listeners[ConsoleEvents::EXCEPTION] = ['onConsoleException', 128];
}
}
return $listeners;
}
}

vendor/bugsnag/bugsnag-symfony/EventListener/BugsnagListener.php line 138