<?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\Security\Http\Firewall;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\Security\Http\AccessMapInterface;
/**
* ChannelListener switches the HTTP protocol based on the access control
* configuration.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final
*/
class ChannelListener extends AbstractListener
{
private $map;
private $logger;
private int $httpPort;
private int $httpsPort;
public function __construct(AccessMapInterface $map, LoggerInterface $logger = null, int $httpPort = 80, int $httpsPort = 443)
{
$this->map = $map;
$this->logger = $logger;
$this->httpPort = $httpPort;
$this->httpsPort = $httpsPort;
}
/**
* Handles channel management.
*/
public function supports(Request $request): ?bool
{
[, $channel] = $this->map->getPatterns($request);
if ('https' === $channel && !$request->isSecure()) {
if (null !== $this->logger) {
if ('https' === $request->headers->get('X-Forwarded-Proto')) {
$this->logger->info('Redirecting to HTTPS. ("X-Forwarded-Proto" header is set to "https" - did you set "trusted_proxies" correctly?)');
} elseif (str_contains($request->headers->get('Forwarded', ''), 'proto=https')) {
$this->logger->info('Redirecting to HTTPS. ("Forwarded" header is set to "proto=https" - did you set "trusted_proxies" correctly?)');
} else {
$this->logger->info('Redirecting to HTTPS.');
}
}
return true;
}
if ('http' === $channel && $request->isSecure()) {
if (null !== $this->logger) {
$this->logger->info('Redirecting to HTTP.');
}
return true;
}
return false;
}
public function authenticate(RequestEvent $event)
{
$request = $event->getRequest();
$event->setResponse($this->createRedirectResponse($request));
}
private function createRedirectResponse(Request $request): RedirectResponse
{
$scheme = $request->isSecure() ? 'http' : 'https';
if ('http' === $scheme && 80 != $this->httpPort) {
$port = ':'.$this->httpPort;
} elseif ('https' === $scheme && 443 != $this->httpsPort) {
$port = ':'.$this->httpsPort;
} else {
$port = '';
}
$qs = $request->getQueryString();
if (null !== $qs) {
$qs = '?'.$qs;
}
$url = $scheme.'://'.$request->getHost().$port.$request->getBaseUrl().$request->getPathInfo().$qs;
return new RedirectResponse($url, 301);
}
}