106 lines
2.8 KiB
PHP
106 lines
2.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Middleware;
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use App\Acl;
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use App\Entity\PodcastEpisode;
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use App\Entity\Repository\PodcastRepository;
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use App\Entity\Station;
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use App\Entity\User;
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use App\Exception\PodcastNotFoundException;
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use App\Http\Response;
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use App\Http\ServerRequest;
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use Exception;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use Slim\Routing\RouteContext;
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/**
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* Require that the podcast has a published episode for public access
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*/
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class RequirePublishedPodcastEpisodeMiddleware
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{
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public function __construct(
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protected PodcastRepository $podcastRepository
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) {
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}
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public function __invoke(ServerRequest $request, RequestHandlerInterface $handler): ResponseInterface
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{
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$user = $this->getLoggedInUser($request);
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$station = $request->getStation();
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if ($user !== null) {
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$acl = $request->getAcl();
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if ($this->canUserManageStationPodcasts($user, $station, $acl)) {
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return $handler->handle($request);
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}
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}
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$podcastId = $this->getPodcastIdFromRequest($request);
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if ($podcastId === null || !$this->checkPodcastHasPublishedEpisodes($station, $podcastId)) {
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throw new PodcastNotFoundException();
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}
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$response = $handler->handle($request);
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if ($response instanceof Response) {
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$response = $response->withNoCache();
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}
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return $response;
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}
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protected function getLoggedInUser(ServerRequest $request): ?User
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{
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try {
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return $request->getUser();
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} catch (Exception $e) {
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return null;
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}
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}
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protected function canUserManageStationPodcasts(User $user, Station $station, Acl $acl): bool
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{
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return $acl->userAllowed($user, Acl::STATION_PODCASTS, $station->getId());
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}
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protected function getPodcastIdFromRequest(ServerRequest $request): ?string
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{
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$routeContext = RouteContext::fromRequest($request);
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$routeArgs = $routeContext->getRoute()?->getArguments();
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$podcastId = $routeArgs['id'] ?? null;
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if ($podcastId === null) {
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$podcastId = $routeArgs['podcast_id'];
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}
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return $podcastId;
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}
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protected function checkPodcastHasPublishedEpisodes(Station $station, string $podcastId): bool
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{
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$podcastId = explode('|', $podcastId)[0];
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$podcast = $this->podcastRepository->fetchPodcastForStation($station, $podcastId);
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if ($podcast === null) {
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return false;
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}
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/** @var PodcastEpisode $episode */
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foreach ($podcast->getEpisodes() as $episode) {
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if ($episode->isPublished()) {
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return true;
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}
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}
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return false;
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}
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}
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