119 lines
3.5 KiB
PHP
119 lines
3.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, John Molakvoæ (skjnldsv@protonmail.com)
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OC\Core\Controller;
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use OC\Files\AppData\Factory;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\FileDisplayResponse;
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use OCP\AppFramework\Http\NotFoundResponse;
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use OCP\AppFramework\Http\Response;
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use OCP\AppFramework\Utility\ITimeFactory;
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use OCP\Files\IAppData;
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use OCP\Files\NotFoundException;
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use OCP\Files\SimpleFS\ISimpleFile;
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use OCP\Files\SimpleFS\ISimpleFolder;
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use OCP\IConfig;
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use OCP\IRequest;
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class CssController extends Controller {
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/** @var IAppData */
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protected $appData;
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/** @var ITimeFactory */
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protected $timeFactory;
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public function __construct(string $appName,
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IRequest $request,
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Factory $appDataFactory,
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ITimeFactory $timeFactory) {
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parent::__construct($appName, $request);
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$this->appData = $appDataFactory->get('css');
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$this->timeFactory = $timeFactory;
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}
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/**
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* @PublicPage
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* @NoCSRFRequired
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* @NoSameSiteCookieRequired
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*
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* @param string $fileName css filename with extension
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* @param string $appName css folder name
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* @return FileDisplayResponse|NotFoundResponse
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*/
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public function getCss(string $fileName, string $appName): Response {
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try {
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$folder = $this->appData->getFolder($appName);
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$gzip = false;
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$file = $this->getFile($folder, $fileName, $gzip);
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} catch(NotFoundException $e) {
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return new NotFoundResponse();
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}
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$response = new FileDisplayResponse($file, Http::STATUS_OK, ['Content-Type' => 'text/css']);
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if ($gzip) {
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$response->addHeader('Content-Encoding', 'gzip');
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}
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$ttl = 31536000;
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$response->addHeader('Cache-Control', 'max-age='.$ttl.', immutable');
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$expires = new \DateTime();
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$expires->setTimestamp($this->timeFactory->getTime());
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$expires->add(new \DateInterval('PT'.$ttl.'S'));
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$response->addHeader('Expires', $expires->format(\DateTime::RFC1123));
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$response->addHeader('Pragma', 'cache');
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return $response;
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}
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/**
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* @param ISimpleFolder $folder
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* @param string $fileName
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* @param bool $gzip is set to true if we use the gzip file
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* @return ISimpleFile
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* @throws NotFoundException
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*/
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private function getFile(ISimpleFolder $folder, string $fileName, bool &$gzip): ISimpleFile {
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$encoding = $this->request->getHeader('Accept-Encoding');
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if (strpos($encoding, 'gzip') !== false) {
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try {
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$gzip = true;
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return $folder->getFile($fileName . '.gzip'); # Safari doesn't like .gz
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} catch (NotFoundException $e) {
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// continue
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}
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}
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$gzip = false;
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return $folder->getFile($fileName);
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}
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}
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