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ðŸ“ ..
ðŸ“„ ErrorsLoggerListener.php(1.2 KB)
ðŸ“„ EsiListener.php(1.4 KB)
ðŸ“„ ExceptionListener.php(4.22 KB)
ðŸ“„ FragmentListener.php(3.38 KB)
ðŸ“„ LocaleListener.php(3.33 KB)
ðŸ“„ ProfilerListener.php(5.38 KB)
ðŸ“„ ResponseListener.php(1.37 KB)
ðŸ“„ RouterListener.php(6.54 KB)
ðŸ“„ SessionListener.php(1.41 KB)
ðŸ“„ StreamedResponseListener.php(1.29 KB)
ðŸ“„ TestSessionListener.php(2.56 KB)

Editing: FragmentListener.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\EventListener;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\IpUtils;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
use Symfony\Component\HttpKernel\UriSigner;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Handles content fragments represented by special URIs.
 *
 * All URL paths starting with /_fragment are handled as
 * content fragments by this listener.
 *
 * If the request does not come from a trusted IP, it throws an
 * AccessDeniedHttpException exception.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FragmentListener implements EventSubscriberInterface
{
    private $signer;
    private $fragmentPath;

/**
     * Constructor.
     *
     * @param UriSigner $signer       A UriSigner instance
     * @param string    $fragmentPath The path that triggers this listener
     */
    public function __construct(UriSigner $signer, $fragmentPath = '/_fragment')
    {
        $this->signer = $signer;
        $this->fragmentPath = $fragmentPath;
    }

/**
     * Fixes request attributes when the path is '/_fragment'.
     *
     * @param GetResponseEvent $event A GetResponseEvent instance
     *
     * @throws AccessDeniedHttpException if the request does not come from a trusted IP.
     */
    public function onKernelRequest(GetResponseEvent $event)
    {
        $request = $event->getRequest();

if ($this->fragmentPath !== rawurldecode($request->getPathInfo())) {
            return;
        }

$this->validateRequest($request);

parse_str($request->query->get('_path', ''), $attributes);
        $request->attributes->add($attributes);
        $request->attributes->set('_route_params', array_replace($request->attributes->get('_route_params', array()), $attributes));
        $request->query->remove('_path');
    }

protected function validateRequest(Request $request)
    {
        // is the Request safe?
        if (!$request->isMethodSafe()) {
            throw new AccessDeniedHttpException();
        }

// does the Request come from a trusted IP?
        $trustedIps = array_merge($this->getLocalIpAddresses(), $request->getTrustedProxies());
        $remoteAddress = $request->server->get('REMOTE_ADDR');
        if (IpUtils::checkIp($remoteAddress, $trustedIps)) {
            return;
        }

// is the Request signed?
        // we cannot use $request->getUri() here as we want to work with the original URI (no query string reordering)
        if ($this->signer->check($request->getSchemeAndHttpHost().$request->getBaseUrl().$request->getPathInfo().(null !== ($qs = $request->server->get('QUERY_STRING')) ? '?'.$qs : ''))) {
            return;
        }

throw new AccessDeniedHttpException();
    }

protected function getLocalIpAddresses()
    {
        return array('127.0.0.1', 'fe80::1', '::1');
    }

public static function getSubscribedEvents()
    {
        return array(
            KernelEvents::REQUEST => array(array('onKernelRequest', 48)),
        );
    }
}

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Editing: FragmentListener.php

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