feat: add configurable HLS CORS allowlists

src/Command/AbstractCorsCommand.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugin\AzuraCastOnDemandHls\Command;
+
+use App\Console\Command\CommandAbstract;
+use App\Entity\Repository\StationRepository;
+use App\Entity\Station;
+use App\Nginx\Nginx;
+use Plugin\AzuraCastOnDemandHls\Repository\CorsConfigurationRepository;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+abstract class AbstractCorsCommand extends CommandAbstract
+{
+    public function __construct(
+        protected readonly StationRepository $stationRepository,
+        protected readonly CorsConfigurationRepository $corsConfiguration,
+        private readonly Nginx $nginx,
+    ) {
+        parent::__construct();
+    }
+
+    protected function configureStationArgument(): void
+    {
+        $this->addArgument('station', InputArgument::REQUIRED, 'Station ID or short name.');
+    }
+
+    protected function findStation(InputInterface $input, SymfonyStyle $io): ?Station
+    {
+        $station = $this->stationRepository->findByIdentifier((string)$input->getArgument('station'));
+        if (!$station instanceof Station) {
+            $io->error('Station not found.');
+            return null;
+        }
+        return $station;
+    }
+
+    protected function reloadNginx(Station $station, SymfonyStyle $io): void
+    {
+        $this->nginx->writeConfiguration($station, reloadIfChanged: true);
+        $io->note('Station Nginx configuration was regenerated; Nginx reloads only when it changed.');
+    }
+
+    /** @param list<string> $origins */
+    protected function renderOrigins(SymfonyStyle $io, array $origins): void
+    {
+        if ([] === $origins) {
+            $io->writeln('No cross-site origins are allowed. Same-origin playback remains available.');
+            return;
+        }
+        $io->listing($origins);
+    }
+}