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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bundle\FrameworkBundle\Controller;
use Symfony\Component\HttpFoundation\HeaderUtils;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\HttpException;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
/**
* Redirects a request to another URL.
*
* @author Fabien Potencier <[email protected]>
*
* @final
*/
class RedirectController
{
private $router;
private $httpPort;
private $httpsPort;
public function __construct(?UrlGeneratorInterface $router = null, ?int $httpPort = null, ?int $httpsPort = null)
{
$this->router = $router;
$this->httpPort = $httpPort;
$this->httpsPort = $httpsPort;
}
/**
* Redirects to another route with the given name.
*
* The response status code is 302 if the permanent parameter is false (default),
* and 301 if the redirection is permanent.
*
* In case the route name is empty, the status code will be 404 when permanent is false
* and 410 otherwise.
*
* @param string $route The route name to redirect to
* @param bool $permanent Whether the redirection is permanent
* @param bool|array $ignoreAttributes Whether to ignore attributes or an array of attributes to ignore
* @param bool $keepRequestMethod Whether redirect action should keep HTTP request method
*
* @throws HttpException In case the route name is empty
*/
public function redirectAction(Request $request, string $route, bool $permanent = false, $ignoreAttributes = false, bool $keepRequestMethod = false, bool $keepQueryParams = false): Response
{
if ('' == $route) {
throw new HttpException($permanent ? 410 : 404);
}
$attributes = [];
if (false === $ignoreAttributes || \is_array($ignoreAttributes)) {
$attributes = $request->attributes->get('_route_params');
if ($keepQueryParams) {
if ($query = $request->server->get('QUERY_STRING')) {
$query = HeaderUtils::parseQuery($query);
} else {
$query = $request->query->all();
}
$attributes = array_merge($query, $attributes);
}
unset($attributes['route'], $attributes['permanent'], $attributes['ignoreAttributes'], $attributes['keepRequestMethod'], $attributes['keepQueryParams']);
if ($ignoreAttributes) {
$attributes = array_diff_key($attributes, array_flip($ignoreAttributes));
}
}
if ($keepRequestMethod) {
$statusCode = $permanent ? 308 : 307;
} else {
$statusCode = $permanent ? 301 : 302;
}
return new RedirectResponse($this->router->generate($route, $attributes, UrlGeneratorInterface::ABSOLUTE_URL), $statusCode);
}
/**
* Redirects to a URL.
*
* The response status code is 302 if the permanent parameter is false (default),
* and 301 if the redirection is permanent.
*
* In case the path is empty, the status code will be 404 when permanent is false
* and 410 otherwise.
*
* @param string $path The absolute path or URL to redirect to
* @param bool $permanent Whether the redirect is permanent or not
* @param string|null $scheme The URL scheme (null to keep the current one)
* @param int|null $httpPort The HTTP port (null to keep the current one for the same scheme or the default configured port)
* @param int|null $httpsPort The HTTPS port (null to keep the current one for the same scheme or the default configured port)
* @param bool $keepRequestMethod Whether redirect action should keep HTTP request method
*
* @throws HttpException In case the path is empty
*/
public function urlRedirectAction(Request $request, string $path, bool $permanent = false, ?string $scheme = null, ?int $httpPort = null, ?int $httpsPort = null, bool $keepRequestMethod = false): Response
{
if ('' == $path) {
throw new HttpException($permanent ? 410 : 404);
}
if ($keepRequestMethod) {
$statusCode = $permanent ? 308 : 307;
} else {
$statusCode = $permanent ? 301 : 302;
}
// redirect if the path is a full URL
if (parse_url($path, \PHP_URL_SCHEME)) {
return new RedirectResponse($path, $statusCode);
}
if (null === $scheme) {
$scheme = $request->getScheme();
}
if ($qs = $request->server->get('QUERY_STRING') ?: $request->getQueryString()) {
if (!str_contains($path, '?')) {
$qs = '?'.$qs;
} else {
$qs = '&'.$qs;
}
}
$port = '';
if ('http' === $scheme) {
if (null === $httpPort) {
if ('http' === $request->getScheme()) {
$httpPort = $request->getPort();
} else {
$httpPort = $this->httpPort;
}
}
if (null !== $httpPort && 80 != $httpPort) {
$port = ":$httpPort";
}
} elseif ('https' === $scheme) {
if (null === $httpsPort) {
if ('https' === $request->getScheme()) {
$httpsPort = $request->getPort();
} else {
$httpsPort = $this->httpsPort;
}
}
if (null !== $httpsPort && 443 != $httpsPort) {
$port = ":$httpsPort";
}
}
$url = $scheme.'://'.$request->getHost().$port.$request->getBaseUrl().$path.$qs;
return new RedirectResponse($url, $statusCode);
}
public function __invoke(Request $request): Response
{
$p = $request->attributes->get('_route_params', []);
if (\array_key_exists('route', $p)) {
if (\array_key_exists('path', $p)) {
throw new \RuntimeException(sprintf('Ambiguous redirection settings, use the "path" or "route" parameter, not both: "%s" and "%s" found respectively in "%s" routing configuration.', $p['path'], $p['route'], $request->attributes->get('_route')));
}
return $this->redirectAction($request, $p['route'], $p['permanent'] ?? false, $p['ignoreAttributes'] ?? false, $p['keepRequestMethod'] ?? false, $p['keepQueryParams'] ?? false);
}
if (\array_key_exists('path', $p)) {
return $this->urlRedirectAction($request, $p['path'], $p['permanent'] ?? false, $p['scheme'] ?? null, $p['httpPort'] ?? null, $p['httpsPort'] ?? null, $p['keepRequestMethod'] ?? false);
}
throw new \RuntimeException(sprintf('The parameter "path" or "route" is required to configure the redirect action in "%s" routing configuration.', $request->attributes->get('_route')));
}
}