fix(s3): handle range requests to serve media files

use Aws\S3\S3Client;

use CodeIgniter\Exceptions\PageNotFoundException;

use CodeIgniter\Files\File;

use CodeIgniter\HTTP\IncomingRequest;

use CodeIgniter\HTTP\Response;

use DateTime;

use Exception;

use Modules\Media\Config\Media as MediaConfig;

    public function serve(string $key): Response

    {

        $cacheName = 'object_presigned_uri_' . str_replace('/', '-', $key) . '_' . $this->config->s3['bucket'];

        /** @var IncomingRequest $request */

        $request = service('request');

        /** @var string $found */

        if (! $found = cache($cacheName)) {

            try {

                $cmd = $this->s3->getCommand('GetObject', [

        /** @var Response $response */

        $response = service('response');

        $s3Request = [

            'Bucket' => $this->config->s3['bucket'],

            'Key'    => $this->prefixKey($key),

                ]);

            } catch (Exception) {

                throw new PageNotFoundException();

            }

            $request = $this->s3->createPresignedRequest($cmd, '+1 day');

            $found = (string) $request->getUri();

        ];

            cache()

                ->save($cacheName, $found, DAY);

        if ($request->hasHeader('Range')) {

            $s3Request['Range'] = $request->header('Range')->getValue();

        }

        /** @var Response $response */

        $response = service('response');

        if (cache()->getMetaData($cacheName) === null) {

            return $response->setHeader('HTTP_REFERER', previous_url())

                ->redirect($found);

        try {

            $result = $this->s3->getObject($s3Request);

        } catch (Exception) {

            throw new PageNotFoundException();

        }

        $lastModifiedTimestamp = cache()

            ->getMetaData($cacheName)['mtime'];

        $lastModified = new DateTime();

        $lastModified->setTimestamp($lastModifiedTimestamp);

        // Remove Cache-Control header before redefining it

        header_remove('Cache-Control');

        return $response->setCache([

            'max-age'       => DAY,

            'last-modified' => $lastModified->format(DATE_RFC7231),

            'etag'          => md5($cacheName),

            'public'        => true,

        ])

            ->setHeader('HTTP_REFERER', previous_url())

            ->redirect($found);

        $response->setStatusCode($result['@metadata']['statusCode']);

        // set same headers as response from s3

        foreach ($result['@metadata']['headers'] as $headerName => $headerValue) {

            $response->setHeader($headerName, $headerValue);

        }

        return $response->setBody((string) $result->get('Body')->getContents());

    }

    private function prefixKey(string $key): string