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180 lines
4.6 KiB
180 lines
4.6 KiB
<?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 $cachedFolder; |
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} |
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} |
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try { |
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// Hardening if somebody wants to retrieve '/' |
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if ($name === '/') { |
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$node = $this->getAppDataFolder(); |
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} else { |
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$path = $this->getAppDataFolderName() . '/' . $this->appId . '/' . $name; |
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$node = $this->rootFolder->get($path); |
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} |
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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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