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4ef302c0be
PHPDoc (of the public API) says that this method returns string but it also returns null, which is not allowed in some method calls. This fixes that behaviour and returns an empty string and fixes all code paths that explicitly checked for null to be still compliant. Found while enabling the strict_typing for lib/private for the PHP7+ migration. Signed-off-by: Morris Jobke <hey@morrisjobke.de>
114 lines
3.3 KiB
PHP
114 lines
3.3 KiB
PHP
<?php
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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\NotFoundResponse;
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use OCP\AppFramework\Http\FileDisplayResponse;
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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\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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/**
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* @param string $appName
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* @param IRequest $request
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* @param Factory $appDataFactory
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* @param ITimeFactory $timeFactory
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*/
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public function __construct($appName, IRequest $request, Factory $appDataFactory, 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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*
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* @param string $fileName css filename with extension
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* @param string $appName css folder name
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* @return FileDisplayResponse|NotFoundResponse
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*/
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public function getCss($fileName, $appName) {
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try {
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$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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$response->addHeader('Content-Encoding', 'gzip');
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}
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$response->cacheFor(86400);
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$expires = new \DateTime();
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$expires->setTimestamp($this->timeFactory->getTime());
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$expires->add(new \DateInterval('PT24H'));
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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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*/
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private function getFile(ISimpleFolder $folder, $fileName, &$gzip) {
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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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