740ea0d30e
Signed-off-by: Robin Appelman <robin@icewind.nl>
175 lines
4.4 KiB
PHP
175 lines
4.4 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright 2016 Roeland Jago Douma <roeland@famdouma.nl>
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*
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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\Files\AppData;
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use OC\Cache\CappedMemoryCache;
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use OC\Files\SimpleFS\SimpleFolder;
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use OCP\Files\IAppData;
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use OCP\Files\IRootFolder;
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use OCP\Files\Folder;
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use OC\SystemConfig;
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use OCP\Files\Node;
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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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class AppData implements IAppData {
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/** @var IRootFolder */
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private $rootFolder;
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/** @var SystemConfig */
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private $config;
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/** @var string */
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private $appId;
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/** @var Folder */
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private $folder;
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/** @var (ISimpleFolder|NotFoundException)[]|CappedMemoryCache */
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private $folders;
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/**
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* AppData constructor.
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*
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* @param IRootFolder $rootFolder
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* @param SystemConfig $systemConfig
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* @param string $appId
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*/
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public function __construct(IRootFolder $rootFolder,
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SystemConfig $systemConfig,
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string $appId) {
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$this->rootFolder = $rootFolder;
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$this->config = $systemConfig;
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$this->appId = $appId;
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$this->folders = new CappedMemoryCache();
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}
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private function getAppDataFolderName() {
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$instanceId = $this->config->getValue('instanceid', null);
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if ($instanceId === null) {
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throw new \RuntimeException('no instance id!');
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}
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return 'appdata_' . $instanceId;
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}
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private function getAppDataRootFolder(): Folder {
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$name = $this->getAppDataFolderName();
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try {
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/** @var Folder $node */
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$node = $this->rootFolder->get($name);
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return $node;
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} catch (NotFoundException $e) {
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try {
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return $this->rootFolder->newFolder($name);
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} catch (NotPermittedException $e) {
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throw new \RuntimeException('Could not get appdata folder');
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}
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}
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}
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/**
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* @return Folder
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* @throws \RuntimeException
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*/
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private function getAppDataFolder(): Folder {
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if ($this->folder === null) {
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$name = $this->getAppDataFolderName();
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try {
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$this->folder = $this->rootFolder->get($name . '/' . $this->appId);
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} catch (NotFoundException $e) {
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$appDataRootFolder = $this->getAppDataRootFolder();
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try {
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$this->folder = $appDataRootFolder->get($this->appId);
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} catch (NotFoundException $e) {
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try {
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$this->folder = $appDataRootFolder->newFolder($this->appId);
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} catch (NotPermittedException $e) {
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throw new \RuntimeException('Could not get appdata folder for ' . $this->appId);
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}
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}
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}
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}
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return $this->folder;
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}
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public function getFolder(string $name): ISimpleFolder {
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$key = $this->appId . '/' . $name;
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if ($cachedFolder = $this->folders->get($key)) {
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if ($cachedFolder instanceof \Exception) {
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throw $cachedFolder;
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} else {
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return $cachedFolder;
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}
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}
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try {
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$path = $this->getAppDataFolderName() . '/' . $this->appId . '/' . $name;
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$node = $this->rootFolder->get($path);
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} catch (NotFoundException $e) {
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$this->folders->set($key, $e);
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throw $e;
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}
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/** @var Folder $node */
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$folder = new SimpleFolder($node);
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$this->folders->set($key, $folder);
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return $folder;
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}
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public function newFolder(string $name): ISimpleFolder {
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$key = $this->appId . '/' . $name;
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$folder = $this->getAppDataFolder()->newFolder($name);
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$simpleFolder = new SimpleFolder($folder);
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$this->folders->set($key, $simpleFolder);
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return $simpleFolder;
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}
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public function getDirectoryListing(): array {
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$listing = $this->getAppDataFolder()->getDirectoryListing();
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$fileListing = array_map(function (Node $folder) {
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if ($folder instanceof Folder) {
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return new SimpleFolder($folder);
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}
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return null;
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}, $listing);
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$fileListing = array_filter($fileListing);
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return array_values($fileListing);
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}
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public function getId(): int {
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return $this->getAppDataFolder()->getId();
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}
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}
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