2016-09-18 21:15:06 +03:00
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<?php
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/**
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* @copyright Copyright (c) 2016 Julius Härtl <jus@bitgrid.net>
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*
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2017-11-06 17:56:42 +03:00
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* @author Julius Haertl <jus@bitgrid.net>
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2016-09-18 21:15:06 +03:00
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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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2017-11-06 17:56:42 +03:00
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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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2016-09-18 21:15:06 +03:00
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*
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2017-11-06 17:56:42 +03:00
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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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2016-09-18 21:15:06 +03:00
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*
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2017-11-06 17:56:42 +03:00
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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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2016-09-18 21:15:06 +03:00
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*
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*/
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namespace OCA\Theming;
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2018-02-26 15:54:00 +03:00
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use OCP\Files\SimpleFS\ISimpleFile;
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2016-09-18 21:15:06 +03:00
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use OCP\IConfig;
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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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2018-02-26 15:54:00 +03:00
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use OCP\IURLGenerator;
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2016-09-18 21:15:06 +03:00
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2018-02-26 15:54:00 +03:00
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/**
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* @property IURLGenerator urlGenerator
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*/
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2016-09-18 21:15:06 +03:00
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class ImageManager {
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/** @var IConfig */
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private $config;
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/** @var IAppData */
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private $appData;
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2018-02-26 15:54:00 +03:00
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/** @var array */
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private $supportedImageKeys = ['background', 'logo', 'logoheader', 'favicon'];
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2016-09-18 21:15:06 +03:00
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/**
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* ImageManager constructor.
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*
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* @param IConfig $config
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* @param IAppData $appData
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2018-02-26 15:54:00 +03:00
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* @param IURLGenerator $urlGenerator
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2016-09-18 21:15:06 +03:00
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*/
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public function __construct(IConfig $config,
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2018-02-26 15:54:00 +03:00
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IAppData $appData,
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IURLGenerator $urlGenerator
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2016-09-18 21:15:06 +03:00
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) {
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$this->config = $config;
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$this->appData = $appData;
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2018-02-26 15:54:00 +03:00
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$this->urlGenerator = $urlGenerator;
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}
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public function getImageUrl(string $key): string {
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$cacheBusterCounter = $this->config->getAppValue('theming', 'cachebuster', '0');
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try {
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$this->getImage($key);
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return $this->urlGenerator->linkToRoute('theming.Theming.getImage', [ 'key' => $key ]) . '?v=' . $cacheBusterCounter;
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} catch (NotFoundException $e) {
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}
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switch ($key) {
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case 'logo':
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case 'logoheader':
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case 'favicon':
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return $this->urlGenerator->imagePath('core', 'logo.png') . '?v=' . $cacheBusterCounter;
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case 'background':
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return $this->urlGenerator->imagePath('core', 'background.png') . '?v=' . $cacheBusterCounter;
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}
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}
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public function getImageUrlAbsolute(string $key): string {
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return $this->urlGenerator->getAbsoluteURL($this->getImageUrl($key));
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}
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/**
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* @param $key
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* @return ISimpleFile
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* @throws NotFoundException
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*/
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public function getImage(string $key): ISimpleFile {
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$logo = $this->config->getAppValue('theming', $key . 'Mime', false);
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if ($logo === false) {
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throw new NotFoundException();
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}
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$folder = $this->appData->getFolder('images');
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return $folder->getFile($key);
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}
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public function getCustomImages(): array {
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$images = [];
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foreach ($this->supportedImageKeys as $key) {
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$images[$key] = [
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'mime' => $this->config->getAppValue('theming', $key . 'Mime', ''),
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'url' => $this->getImageUrl($key),
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];
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}
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return $images;
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2016-09-18 21:15:06 +03:00
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}
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/**
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* Get folder for current theming files
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*
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2018-02-26 15:54:00 +03:00
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* @return ISimpleFolder
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2016-09-18 21:15:06 +03:00
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* @throws NotPermittedException
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*/
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2018-02-26 15:54:00 +03:00
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public function getCacheFolder(): ISimpleFolder {
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2016-09-18 21:15:06 +03:00
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$cacheBusterValue = $this->config->getAppValue('theming', 'cachebuster', '0');
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try {
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$folder = $this->appData->getFolder($cacheBusterValue);
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} catch (NotFoundException $e) {
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$folder = $this->appData->newFolder($cacheBusterValue);
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$this->cleanup();
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}
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return $folder;
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}
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/**
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* Get a file from AppData
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*
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* @param string $filename
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2016-10-17 17:31:07 +03:00
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* @throws NotFoundException
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* @return \OCP\Files\SimpleFS\ISimpleFile
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2018-02-26 15:54:00 +03:00
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* @throws NotPermittedException
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2016-09-18 21:15:06 +03:00
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*/
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2018-02-26 15:54:00 +03:00
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public function getCachedImage($filename): ISimpleFile {
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2016-09-18 21:15:06 +03:00
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$currentFolder = $this->getCacheFolder();
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2016-10-17 17:31:07 +03:00
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return $currentFolder->getFile($filename);
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2016-09-18 21:15:06 +03:00
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}
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/**
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* Store a file for theming in AppData
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*
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* @param string $filename
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* @param string $data
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* @return \OCP\Files\SimpleFS\ISimpleFile
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2018-02-26 15:54:00 +03:00
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* @throws NotFoundException
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* @throws NotPermittedException
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2016-09-18 21:15:06 +03:00
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*/
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2018-02-26 15:54:00 +03:00
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public function setCachedImage($filename, $data): ISimpleFile {
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2016-09-18 21:15:06 +03:00
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$currentFolder = $this->getCacheFolder();
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if ($currentFolder->fileExists($filename)) {
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$file = $currentFolder->getFile($filename);
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} else {
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$file = $currentFolder->newFile($filename);
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}
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$file->putContent($data);
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return $file;
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}
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/**
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* remove cached files that are not required any longer
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*/
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public function cleanup() {
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$currentFolder = $this->getCacheFolder();
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$folders = $this->appData->getDirectoryListing();
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foreach ($folders as $folder) {
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2017-02-09 12:55:28 +03:00
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if ($folder->getName() !== 'images' && $folder->getName() !== $currentFolder->getName()) {
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2016-09-18 21:15:06 +03:00
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$folder->delete();
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}
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}
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}
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}
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