nextcloud/core/Controller/CssController.php

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<?php
/**
* @copyright Copyright (c) 2016, John Molakvoæ (skjnldsv@protonmail.com)
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Core\Controller;
use OC\AppFramework\Utility\TimeFactory;
use OC\CssManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\NotFoundResponse;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\Files\IAppData;
use OCP\Files\NotFoundException;
use OCP\IRequest;
use OCP\Notification\IApp;
class CssController extends Controller {
/** @var IAppData */
protected $appData;
/** @var TimeFactory */
protected $timeFactory;
/**
* @param string $appName
* @param IRequest $request
* @param IAppData $appData
* @param TimeFactory $timeFactory
*/
public function __construct($appName, IRequest $request, IAppData $appData, TimeFactory $timeFactory) {
parent::__construct($appName, $request);
$this->appData = $appData;
$this->timeFactory = $timeFactory;
}
/**
* @PublicPage
* @NoCSRFRequired
*
* @param string $fileName css filename with extension
* @param string $appName css folder name
* @return FileDisplayResponse|NotFoundResponse
*/
public function getCss($fileName, $appName) {
try {
$folder = $this->appData->getFolder($appName);
$cssFile = $folder->getFile($fileName);
} catch(NotFoundException $e) {
return new NotFoundResponse();
}
if ($cssFile !== false) {
$response = new FileDisplayResponse($cssFile, Http::STATUS_OK, ['Content-Type' => 'text/css']);
$response->cacheFor(86400);
$expires = new \DateTime();
$expires->setTimestamp($this->timeFactory->getTime());
$expires->add(new \DateInterval('PT24H'));
$response->addHeader('Expires', $expires->format(\DateTime::RFC2822));
$response->addHeader('Pragma', 'cache');
return $response;
}
return new NotFoundResponse();
}
}