72 lines
2.4 KiB
PHP
72 lines
2.4 KiB
PHP
<?php
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/*
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* This file is part of the Kimai time-tracking app.
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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 App\EventSubscriber;
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use App\Utils\LanguageService;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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use Symfony\Component\HttpFoundation\RedirectResponse;
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use Symfony\Component\HttpKernel\Event\RequestEvent;
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use Symfony\Component\HttpKernel\KernelEvents;
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
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/**
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* When visiting the homepage, this listener redirects the user to the most
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* appropriate localized version according to the browser settings.
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*
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* See http://symfony.com/doc/current/components/http_kernel/introduction.html#the-kernel-request-event
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*
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* @author Oleg Voronkovich <oleg-voronkovich@yandex.ru>
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*/
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class RedirectToLocaleSubscriber implements EventSubscriberInterface
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{
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private $urlGenerator;
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private $languageService;
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public function __construct(UrlGeneratorInterface $urlGenerator, LanguageService $languageService)
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{
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$this->urlGenerator = $urlGenerator;
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$this->languageService = $languageService;
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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::REQUEST => ['onKernelRequest']
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];
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}
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public function onKernelRequest(RequestEvent $event)
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{
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$request = $event->getRequest();
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// Ignore sub-requests and all URLs but the homepage
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if ('/' !== $request->getPathInfo()) {
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return;
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}
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// Ignore requests from referrers with the same HTTP host in order to prevent
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// changing language for users who possibly already selected it for this application.
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if (0 === stripos($request->headers->get('referer'), $request->getSchemeAndHttpHost())) {
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return;
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}
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$allLanguages = $this->languageService->getAllLanguages();
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// Add the default locale at the first position of the array, because getPreferredLanguage()
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// returns the first element when no appropriate language is found
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array_unshift($allLanguages, $this->languageService->getDefaultLanguage());
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$preferredLanguage = $request->getPreferredLanguage(array_unique($allLanguages));
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$response = new RedirectResponse($this->urlGenerator->generate('homepage', ['_locale' => $preferredLanguage]));
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$event->setResponse($response);
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}
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}
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