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262 lines
6.5 KiB
262 lines
6.5 KiB
<?php
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/**
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* @copyright 2017, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Julius Härtl <jus@bitgrid.net>
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* @author Lukas Reschke <lukas@statuscode.ch>
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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\Template;
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use OC\SystemConfig;
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use OCP\Files\IAppData;
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use OCP\Files\NotFoundException;
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use OCP\Files\NotPermittedException;
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use OCP\Files\SimpleFS\ISimpleFolder;
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use OCP\ICache;
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use OCP\ICacheFactory;
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use OCP\ILogger;
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use OCP\IURLGenerator;
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class JSCombiner {
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/** @var IAppData */
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protected $appData;
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/** @var IURLGenerator */
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protected $urlGenerator;
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/** @var ICache */
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protected $depsCache;
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/** @var SystemConfig */
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protected $config;
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/** @var ILogger */
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protected $logger;
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/** @var ICacheFactory */
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private $cacheFactory;
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/**
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* @param IAppData $appData
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* @param IURLGenerator $urlGenerator
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* @param ICacheFactory $cacheFactory
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* @param SystemConfig $config
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* @param ILogger $logger
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*/
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public function __construct(IAppData $appData,
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IURLGenerator $urlGenerator,
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ICacheFactory $cacheFactory,
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SystemConfig $config,
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ILogger $logger) {
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$this->appData = $appData;
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$this->urlGenerator = $urlGenerator;
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$this->cacheFactory = $cacheFactory;
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$this->depsCache = $this->cacheFactory->createDistributed('JS-' . md5($this->urlGenerator->getBaseUrl()));
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$this->config = $config;
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$this->logger = $logger;
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}
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/**
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* @param string $root
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* @param string $file
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* @param string $app
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* @return bool
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*/
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public function process($root, $file, $app) {
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if ($this->config->getValue('debug') || !$this->config->getValue('installed')) {
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return false;
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}
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$path = explode('/', $root . '/' . $file);
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$fileName = array_pop($path);
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$path = implode('/', $path);
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try {
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$folder = $this->appData->getFolder($app);
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} catch (NotFoundException $e) {
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// creating css appdata folder
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$folder = $this->appData->newFolder($app);
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}
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if ($this->isCached($fileName, $folder)) {
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return true;
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}
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return $this->cache($path, $fileName, $folder);
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}
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/**
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* @param string $fileName
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* @param ISimpleFolder $folder
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* @return bool
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*/
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protected function isCached($fileName, ISimpleFolder $folder) {
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$fileName = str_replace('.json', '.js', $fileName);
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if (!$folder->fileExists($fileName)) {
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return false;
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}
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$fileName = $fileName . '.deps';
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try {
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$deps = $this->depsCache->get($folder->getName() . '-' . $fileName);
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if ($deps === null || $deps === '') {
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$depFile = $folder->getFile($fileName);
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$deps = $depFile->getContent();
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}
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// check again
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if ($deps === null || $deps === '') {
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$this->logger->info('JSCombiner: deps file empty: ' . $fileName);
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return false;
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}
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$deps = json_decode($deps, true);
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if ($deps === null) {
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return false;
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}
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foreach ($deps as $file=>$mtime) {
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if (!file_exists($file) || filemtime($file) > $mtime) {
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return false;
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}
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}
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return true;
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} catch (NotFoundException $e) {
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return false;
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}
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}
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/**
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* @param string $path
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* @param string $fileName
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* @param ISimpleFolder $folder
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* @return bool
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*/
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protected function cache($path, $fileName, ISimpleFolder $folder) {
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$deps = [];
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$fullPath = $path . '/' . $fileName;
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$data = json_decode(file_get_contents($fullPath));
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$deps[$fullPath] = filemtime($fullPath);
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$res = '';
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foreach ($data as $file) {
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$filePath = $path . '/' . $file;
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if (is_file($filePath)) {
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$res .= file_get_contents($filePath);
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$res .= PHP_EOL . PHP_EOL;
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$deps[$filePath] = filemtime($filePath);
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}
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}
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$fileName = str_replace('.json', '.js', $fileName);
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try {
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$cachedfile = $folder->getFile($fileName);
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} catch (NotFoundException $e) {
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$cachedfile = $folder->newFile($fileName);
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}
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$depFileName = $fileName . '.deps';
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try {
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$depFile = $folder->getFile($depFileName);
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} catch (NotFoundException $e) {
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$depFile = $folder->newFile($depFileName);
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}
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try {
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$gzipFile = $folder->getFile($fileName . '.gzip'); # Safari doesn't like .gz
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} catch (NotFoundException $e) {
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$gzipFile = $folder->newFile($fileName . '.gzip'); # Safari doesn't like .gz
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}
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try {
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$cachedfile->putContent($res);
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$deps = json_encode($deps);
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$depFile->putContent($deps);
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$this->depsCache->set($folder->getName() . '-' . $depFileName, $deps);
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$gzipFile->putContent(gzencode($res, 9));
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$this->logger->debug('JSCombiner: successfully cached: ' . $fileName);
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return true;
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} catch (NotPermittedException $e) {
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$this->logger->error('JSCombiner: unable to cache: ' . $fileName);
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return false;
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}
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}
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/**
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* @param string $appName
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* @param string $fileName
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* @return string
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*/
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public function getCachedJS($appName, $fileName) {
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$tmpfileLoc = explode('/', $fileName);
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$fileName = array_pop($tmpfileLoc);
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$fileName = str_replace('.json', '.js', $fileName);
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return substr($this->urlGenerator->linkToRoute('core.Js.getJs', ['fileName' => $fileName, 'appName' => $appName]), strlen(\OC::$WEBROOT) + 1);
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}
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/**
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* @param string $root
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* @param string $file
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* @return string[]
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*/
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public function getContent($root, $file) {
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/** @var array $data */
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$data = json_decode(file_get_contents($root . '/' . $file));
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if (!is_array($data)) {
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return [];
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}
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$path = explode('/', $file);
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array_pop($path);
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$path = implode('/', $path);
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$result = [];
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foreach ($data as $f) {
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$result[] = $path . '/' . $f;
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}
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return $result;
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}
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/**
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* Clear cache with combined javascript files
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*
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* @throws NotFoundException
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*/
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public function resetCache() {
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$this->cacheFactory->createDistributed('JS-')->clear();
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$appDirectory = $this->appData->getDirectoryListing();
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foreach ($appDirectory as $folder) {
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foreach ($folder->getDirectoryListing() as $file) {
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$file->delete();
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}
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}
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}
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}
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