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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Core\Controller;
use OC\Files\AppData\Factory;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\Attribute\FrontpageRoute;
use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
use OCP\AppFramework\Http\Attribute\OpenAPI;
use OCP\AppFramework\Http\Attribute\PublicPage;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\AppFramework\Http\NotFoundResponse;
use OCP\AppFramework\Http\Response;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Files\IAppData;
use OCP\Files\NotFoundException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\Files\SimpleFS\ISimpleFolder;
use OCP\IRequest;
#[OpenAPI(scope: OpenAPI::SCOPE_IGNORE)]
class JsController extends Controller {
protected IAppData $appData;
public function __construct(
string $appName,
IRequest $request,
Factory $appDataFactory,
protected ITimeFactory $timeFactory,
) {
parent::__construct($appName, $request);
$this->appData = $appDataFactory->get('js');
}
/**
* @NoSameSiteCookieRequired
*
* @param string $fileName js filename with extension
* @param string $appName js folder name
* @return FileDisplayResponse|NotFoundResponse
*/
#[PublicPage]
#[NoCSRFRequired]
#[FrontpageRoute(verb: 'GET', url: '/js/{appName}/{fileName}')]
public function getJs(string $fileName, string $appName): Response {
try {
$folder = $this->appData->getFolder($appName);
$gzip = false;
$file = $this->getFile($folder, $fileName, $gzip);
} catch (NotFoundException $e) {
return new NotFoundResponse();
}
$response = new FileDisplayResponse($file, Http::STATUS_OK, ['Content-Type' => 'application/javascript']);
if ($gzip) {
$response->addHeader('Content-Encoding', 'gzip');
}
$ttl = 31536000;
$response->addHeader('Cache-Control', 'max-age=' . $ttl . ', immutable');
$expires = new \DateTime();
$expires->setTimestamp($this->timeFactory->getTime());
$expires->add(new \DateInterval('PT' . $ttl . 'S'));
$response->addHeader('Expires', $expires->format(\DateTime::RFC1123));
return $response;
}
/**
* @param ISimpleFolder $folder
* @param string $fileName
* @param bool $gzip is set to true if we use the gzip file
* @return ISimpleFile
*
* @throws NotFoundException
*/
private function getFile(ISimpleFolder $folder, string $fileName, bool &$gzip): ISimpleFile {
$encoding = $this->request->getHeader('Accept-Encoding');
if (str_contains($encoding, 'gzip')) {
try {
$gzip = true;
return $folder->getFile($fileName . '.gzip'); # Safari doesn't like .gz
} catch (NotFoundException $e) {
// continue
}
}
$gzip = false;
return $folder->getFile($fileName);
}
}
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