2014-06-11 15:57:24 +04:00
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<?php
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/**
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2016-07-21 18:07:57 +03:00
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Joas Schilling <coding@schilljs.com>
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2015-03-26 13:44:34 +03:00
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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2016-07-21 19:13:36 +03:00
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* @author Robin Appelman <robin@icewind.nl>
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2014-06-11 15:57:24 +04:00
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*
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2015-03-26 13:44:34 +03:00
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* @license AGPL-3.0
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2014-06-11 15:57:24 +04:00
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*
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2015-03-26 13:44:34 +03:00
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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2014-06-11 15:57:24 +04:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2015-03-26 13:44:34 +03:00
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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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2014-06-11 15:57:24 +04:00
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*
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2015-03-26 13:44:34 +03:00
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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2014-06-11 15:57:24 +04:00
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*
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*/
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2015-02-26 13:37:37 +03:00
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2014-06-11 15:57:24 +04:00
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namespace OC\Files\ObjectStore;
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2017-01-03 19:26:44 +03:00
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use Icewind\Streams\CallbackWrapper;
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2019-02-15 15:24:58 +03:00
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use Icewind\Streams\CountWrapper;
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2015-03-10 18:30:13 +03:00
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use Icewind\Streams\IteratorDirectory;
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2015-12-02 17:38:17 +03:00
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use OC\Files\Cache\CacheEntry;
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2018-11-16 22:21:21 +03:00
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use OCP\Files\NotFoundException;
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2014-06-18 00:06:56 +04:00
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use OCP\Files\ObjectStore\IObjectStore;
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2014-06-11 15:57:24 +04:00
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2014-06-18 00:06:56 +04:00
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class ObjectStoreStorage extends \OC\Files\Storage\Common {
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2014-06-12 00:15:42 +04:00
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/**
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2014-06-18 00:06:56 +04:00
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* @var \OCP\Files\ObjectStore\IObjectStore $objectStore
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2014-06-12 00:15:42 +04:00
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*/
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2014-06-18 00:06:56 +04:00
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protected $objectStore;
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2016-03-24 14:36:32 +03:00
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/**
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* @var string $id
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*/
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protected $id;
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2014-06-11 15:57:24 +04:00
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/**
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* @var \OC\User\User $user
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*/
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protected $user;
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2016-10-27 15:15:59 +03:00
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private $objectPrefix = 'urn:oid:';
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2017-06-19 14:52:51 +03:00
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private $logger;
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2014-06-13 17:05:54 +04:00
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public function __construct($params) {
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2014-06-18 00:06:56 +04:00
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if (isset($params['objectstore']) && $params['objectstore'] instanceof IObjectStore) {
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$this->objectStore = $params['objectstore'];
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} else {
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throw new \Exception('missing IObjectStore instance');
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}
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2014-06-18 17:20:26 +04:00
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if (isset($params['storageid'])) {
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2014-06-20 14:27:47 +04:00
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$this->id = 'object::store:' . $params['storageid'];
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2014-06-18 17:20:26 +04:00
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} else {
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2014-06-20 14:27:47 +04:00
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$this->id = 'object::store:' . $this->objectStore->getStorageId();
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2014-06-18 17:20:26 +04:00
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}
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2016-10-27 15:15:59 +03:00
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if (isset($params['objectPrefix'])) {
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$this->objectPrefix = $params['objectPrefix'];
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}
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2014-06-13 17:05:54 +04:00
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//initialize cache with root directory in cache
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2014-06-20 14:27:47 +04:00
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if (!$this->is_dir('/')) {
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2014-06-13 17:05:54 +04:00
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$this->mkdir('/');
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}
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2017-06-19 14:52:51 +03:00
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$this->logger = \OC::$server->getLogger();
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2014-06-13 17:05:54 +04:00
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}
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2014-06-11 15:57:24 +04:00
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public function mkdir($path) {
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$path = $this->normalizePath($path);
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2015-10-02 10:59:58 +03:00
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if ($this->file_exists($path)) {
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2014-06-11 15:57:24 +04:00
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return false;
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}
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2014-06-12 14:18:19 +04:00
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$mTime = time();
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2015-10-02 10:59:58 +03:00
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$data = [
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2014-06-12 14:18:19 +04:00
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'mimetype' => 'httpd/unix-directory',
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'size' => 0,
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'mtime' => $mTime,
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'storage_mtime' => $mTime,
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2014-11-25 18:28:41 +03:00
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'permissions' => \OCP\Constants::PERMISSION_ALL,
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2015-10-02 10:59:58 +03:00
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];
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if ($path === '') {
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2014-06-11 15:57:24 +04:00
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//create root on the fly
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2014-06-27 17:00:29 +04:00
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$data['etag'] = $this->getETag('');
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2014-06-11 15:57:24 +04:00
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$this->getCache()->put('', $data);
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2015-10-02 10:59:58 +03:00
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return true;
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} else {
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// if parent does not exist, create it
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$parent = $this->normalizePath(dirname($path));
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$parentType = $this->filetype($parent);
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if ($parentType === false) {
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if (!$this->mkdir($parent)) {
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// something went wrong
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return false;
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}
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} else if ($parentType === 'file') {
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// parent is a file
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return false;
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2014-06-27 17:00:29 +04:00
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}
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2015-10-02 10:59:58 +03:00
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// finally create the new dir
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$mTime = time(); // update mtime
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$data['mtime'] = $mTime;
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$data['storage_mtime'] = $mTime;
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2014-06-12 14:18:19 +04:00
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$data['etag'] = $this->getETag($path);
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2014-06-11 15:57:24 +04:00
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$this->getCache()->put($path, $data);
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return true;
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}
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}
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2014-06-20 14:27:47 +04:00
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/**
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* @param string $path
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* @return string
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*/
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private function normalizePath($path) {
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$path = trim($path, '/');
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//FIXME why do we sometimes get a path like 'files//username'?
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$path = str_replace('//', '/', $path);
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2014-06-27 17:00:29 +04:00
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// dirname('/folder') returns '.' but internally (in the cache) we store the root as ''
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if (!$path || $path === '.') {
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$path = '';
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2014-06-20 14:27:47 +04:00
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}
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return $path;
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}
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/**
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* Object Stores use a NoopScanner because metadata is directly stored in
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* the file cache and cannot really scan the filesystem. The storage passed in is not used anywhere.
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*
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* @param string $path
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* @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
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* @return \OC\Files\ObjectStore\NoopScanner
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*/
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public function getScanner($path = '', $storage = null) {
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if (!$storage) {
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$storage = $this;
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}
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if (!isset($this->scanner)) {
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$this->scanner = new NoopScanner($storage);
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}
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return $this->scanner;
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}
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public function getId() {
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return $this->id;
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}
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public function rmdir($path) {
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2014-06-11 15:57:24 +04:00
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$path = $this->normalizePath($path);
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2014-06-20 14:27:47 +04:00
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if (!$this->is_dir($path)) {
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return false;
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}
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$this->rmObjects($path);
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$this->getCache()->remove($path);
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return true;
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2014-06-11 15:57:24 +04:00
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}
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2014-06-12 00:15:42 +04:00
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private function rmObjects($path) {
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$children = $this->getCache()->getFolderContents($path);
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foreach ($children as $child) {
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if ($child['mimetype'] === 'httpd/unix-directory') {
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$this->rmObjects($child['path']);
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} else {
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$this->unlink($child['path']);
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}
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}
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}
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2014-06-11 15:57:24 +04:00
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2014-06-20 14:27:47 +04:00
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public function unlink($path) {
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2014-06-11 15:57:24 +04:00
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$path = $this->normalizePath($path);
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2014-06-20 14:27:47 +04:00
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$stat = $this->stat($path);
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2014-06-11 15:57:24 +04:00
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2014-06-20 14:27:47 +04:00
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if ($stat && isset($stat['fileid'])) {
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if ($stat['mimetype'] === 'httpd/unix-directory') {
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return $this->rmdir($path);
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}
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try {
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$this->objectStore->deleteObject($this->getURN($stat['fileid']));
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} catch (\Exception $ex) {
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if ($ex->getCode() !== 404) {
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2017-06-19 14:52:51 +03:00
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$this->logger->logException($ex, [
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'app' => 'objectstore',
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'message' => 'Could not delete object ' . $this->getURN($stat['fileid']) . ' for ' . $path,
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]);
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2014-06-20 14:27:47 +04:00
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return false;
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}
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2018-01-26 17:25:19 +03:00
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//removing from cache is ok as it does not exist in the objectstore anyway
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2014-06-20 14:27:47 +04:00
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}
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$this->getCache()->remove($path);
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return true;
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2014-06-11 15:57:24 +04:00
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}
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2014-06-20 14:27:47 +04:00
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return false;
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}
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2014-06-11 15:57:24 +04:00
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2014-06-20 14:27:47 +04:00
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public function stat($path) {
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2014-06-23 18:29:01 +04:00
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$path = $this->normalizePath($path);
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2015-12-02 17:38:17 +03:00
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$cacheEntry = $this->getCache()->get($path);
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if ($cacheEntry instanceof CacheEntry) {
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return $cacheEntry->getData();
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} else {
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return false;
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}
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2014-06-20 14:27:47 +04:00
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}
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2014-06-11 15:57:24 +04:00
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2014-06-20 14:27:47 +04:00
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/**
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* Override this method if you need a different unique resource identifier for your object storage implementation.
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* The default implementations just appends the fileId to 'urn:oid:'. Make sure the URN is unique over all users.
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* You may need a mapping table to store your URN if it cannot be generated from the fileid.
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*
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* @param int $fileId the fileid
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* @return null|string the unified resource name used to identify the object
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*/
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2019-05-22 13:17:33 +03:00
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public function getURN($fileId) {
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2014-06-20 14:27:47 +04:00
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if (is_numeric($fileId)) {
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2016-10-27 15:15:59 +03:00
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return $this->objectPrefix . $fileId;
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2014-06-20 14:27:47 +04:00
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}
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return null;
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2014-06-11 15:57:24 +04:00
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}
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public function opendir($path) {
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$path = $this->normalizePath($path);
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2014-06-20 14:27:47 +04:00
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2014-06-11 15:57:24 +04:00
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try {
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$files = array();
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$folderContents = $this->getCache()->getFolderContents($path);
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foreach ($folderContents as $file) {
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$files[] = $file['name'];
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}
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2014-06-20 14:27:47 +04:00
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2015-03-10 18:30:13 +03:00
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return IteratorDirectory::wrap($files);
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2015-05-19 16:27:50 +03:00
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} catch (\Exception $e) {
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2017-06-19 14:52:51 +03:00
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$this->logger->logException($e);
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2014-06-11 15:57:24 +04:00
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return false;
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}
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}
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public function filetype($path) {
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$path = $this->normalizePath($path);
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$stat = $this->stat($path);
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if ($stat) {
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if ($stat['mimetype'] === 'httpd/unix-directory') {
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return 'dir';
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}
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return 'file';
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} else {
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return false;
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}
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}
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public function fopen($path, $mode) {
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$path = $this->normalizePath($path);
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2018-03-07 14:05:57 +03:00
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if (strrpos($path, '.') !== false) {
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$ext = substr($path, strrpos($path, '.'));
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} else {
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$ext = '';
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}
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2014-06-11 15:57:24 +04:00
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switch ($mode) {
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case 'r':
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case 'rb':
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$stat = $this->stat($path);
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if (is_array($stat)) {
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2014-06-12 00:15:42 +04:00
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try {
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2014-06-20 14:27:47 +04:00
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return $this->objectStore->readObject($this->getURN($stat['fileid']));
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2018-11-16 22:21:21 +03:00
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} catch (NotFoundException $e) {
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$this->logger->logException($e, [
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'app' => 'objectstore',
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'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
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]);
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throw $e;
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2014-06-12 00:15:42 +04:00
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} catch (\Exception $ex) {
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2017-06-19 14:52:51 +03:00
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$this->logger->logException($ex, [
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'app' => 'objectstore',
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2018-11-16 22:21:21 +03:00
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'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
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2017-06-19 14:52:51 +03:00
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]);
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2014-06-12 00:15:42 +04:00
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return false;
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}
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2014-06-11 15:57:24 +04:00
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} else {
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return false;
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}
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case 'w':
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case 'wb':
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2018-03-07 14:05:57 +03:00
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case 'w+':
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case 'wb+':
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$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
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$handle = fopen($tmpFile, $mode);
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return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
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$this->writeBack($tmpFile, $path);
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});
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2014-06-11 15:57:24 +04:00
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case 'a':
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case 'ab':
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case 'r+':
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case 'a+':
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|
case 'x':
|
|
|
|
case 'x+':
|
|
|
|
case 'c':
|
|
|
|
case 'c+':
|
2015-12-18 13:25:33 +03:00
|
|
|
$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
|
2014-06-11 15:57:24 +04:00
|
|
|
if ($this->file_exists($path)) {
|
|
|
|
$source = $this->fopen($path, 'r');
|
|
|
|
file_put_contents($tmpFile, $source);
|
|
|
|
}
|
2017-01-03 19:26:44 +03:00
|
|
|
$handle = fopen($tmpFile, $mode);
|
|
|
|
return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
|
|
|
|
$this->writeBack($tmpFile, $path);
|
|
|
|
});
|
2014-06-11 15:57:24 +04:00
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2014-06-20 14:27:47 +04:00
|
|
|
public function file_exists($path) {
|
|
|
|
$path = $this->normalizePath($path);
|
|
|
|
return (bool)$this->stat($path);
|
|
|
|
}
|
|
|
|
|
2014-06-23 18:29:01 +04:00
|
|
|
public function rename($source, $target) {
|
|
|
|
$source = $this->normalizePath($source);
|
|
|
|
$target = $this->normalizePath($target);
|
2014-09-05 15:25:59 +04:00
|
|
|
$this->remove($target);
|
|
|
|
$this->getCache()->move($source, $target);
|
|
|
|
$this->touch(dirname($target));
|
|
|
|
return true;
|
2014-06-11 15:57:24 +04:00
|
|
|
}
|
2014-06-20 14:27:47 +04:00
|
|
|
|
2014-06-11 15:57:24 +04:00
|
|
|
public function getMimeType($path) {
|
|
|
|
$path = $this->normalizePath($path);
|
|
|
|
$stat = $this->stat($path);
|
|
|
|
if (is_array($stat)) {
|
|
|
|
return $stat['mimetype'];
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
2014-06-20 14:27:47 +04:00
|
|
|
|
2014-06-11 15:57:24 +04:00
|
|
|
public function touch($path, $mtime = null) {
|
|
|
|
if (is_null($mtime)) {
|
|
|
|
$mtime = time();
|
|
|
|
}
|
|
|
|
|
|
|
|
$path = $this->normalizePath($path);
|
2014-06-12 00:15:42 +04:00
|
|
|
$dirName = dirname($path);
|
|
|
|
$parentExists = $this->is_dir($dirName);
|
2014-06-11 15:57:24 +04:00
|
|
|
if (!$parentExists) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
$stat = $this->stat($path);
|
|
|
|
if (is_array($stat)) {
|
|
|
|
// update existing mtime in db
|
|
|
|
$stat['mtime'] = $mtime;
|
|
|
|
$this->getCache()->update($stat['fileid'], $stat);
|
|
|
|
} else {
|
2014-06-12 00:15:42 +04:00
|
|
|
try {
|
2017-11-17 13:59:25 +03:00
|
|
|
//create a empty file, need to have at least on char to make it
|
|
|
|
// work with all object storage implementations
|
2017-11-08 19:51:02 +03:00
|
|
|
$this->file_put_contents($path, ' ');
|
2017-11-17 13:59:25 +03:00
|
|
|
$mimeType = \OC::$server->getMimeTypeDetector()->detectPath($path);
|
|
|
|
$stat = array(
|
|
|
|
'etag' => $this->getETag($path),
|
|
|
|
'mimetype' => $mimeType,
|
|
|
|
'size' => 0,
|
|
|
|
'mtime' => $mtime,
|
|
|
|
'storage_mtime' => $mtime,
|
|
|
|
'permissions' => \OCP\Constants::PERMISSION_ALL - \OCP\Constants::PERMISSION_CREATE,
|
|
|
|
);
|
|
|
|
$this->getCache()->put($path, $stat);
|
2014-06-12 00:15:42 +04:00
|
|
|
} catch (\Exception $ex) {
|
2017-06-19 14:52:51 +03:00
|
|
|
$this->logger->logException($ex, [
|
|
|
|
'app' => 'objectstore',
|
2017-11-17 13:59:25 +03:00
|
|
|
'message' => 'Could not create object for ' . $path,
|
2017-06-19 14:52:51 +03:00
|
|
|
]);
|
2018-02-08 00:06:07 +03:00
|
|
|
throw $ex;
|
2014-06-12 00:15:42 +04:00
|
|
|
}
|
2014-06-11 15:57:24 +04:00
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2017-01-03 19:26:44 +03:00
|
|
|
public function writeBack($tmpFile, $path) {
|
2018-10-26 20:15:23 +03:00
|
|
|
$size = filesize($tmpFile);
|
|
|
|
$this->writeStream($path, fopen($tmpFile, 'r'), $size);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* external changes are not supported, exclusive access to the object storage is assumed
|
|
|
|
*
|
|
|
|
* @param string $path
|
|
|
|
* @param int $time
|
|
|
|
* @return false
|
|
|
|
*/
|
|
|
|
public function hasUpdated($path, $time) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
public function needsPartFile() {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
public function file_put_contents($path, $data) {
|
2019-07-16 00:51:02 +03:00
|
|
|
$handle = $this->fopen($path, 'w+');
|
|
|
|
fwrite($handle, $data);
|
|
|
|
fclose($handle);
|
|
|
|
return true;
|
2018-10-26 20:15:23 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
public function writeStream(string $path, $stream, int $size = null): int {
|
2014-06-11 15:57:24 +04:00
|
|
|
$stat = $this->stat($path);
|
2014-06-12 14:18:19 +04:00
|
|
|
if (empty($stat)) {
|
2014-06-11 15:57:24 +04:00
|
|
|
// create new file
|
2018-10-26 20:15:23 +03:00
|
|
|
$stat = [
|
2015-10-13 13:25:59 +03:00
|
|
|
'permissions' => \OCP\Constants::PERMISSION_ALL - \OCP\Constants::PERMISSION_CREATE,
|
2018-10-26 20:15:23 +03:00
|
|
|
];
|
2014-06-11 15:57:24 +04:00
|
|
|
}
|
2014-06-12 14:18:19 +04:00
|
|
|
// update stat with new data
|
|
|
|
$mTime = time();
|
2018-10-26 20:15:23 +03:00
|
|
|
$stat['size'] = (int)$size;
|
2014-06-12 14:18:19 +04:00
|
|
|
$stat['mtime'] = $mTime;
|
|
|
|
$stat['storage_mtime'] = $mTime;
|
2017-10-25 18:57:21 +03:00
|
|
|
|
2017-11-08 19:51:02 +03:00
|
|
|
$mimetypeDetector = \OC::$server->getMimeTypeDetector();
|
2017-10-25 18:57:21 +03:00
|
|
|
$mimetype = $mimetypeDetector->detectPath($path);
|
|
|
|
|
|
|
|
$stat['mimetype'] = $mimetype;
|
2014-06-27 20:49:06 +04:00
|
|
|
$stat['etag'] = $this->getETag($path);
|
2014-06-12 14:18:19 +04:00
|
|
|
|
2018-12-12 17:24:40 +03:00
|
|
|
$exists = $this->getCache()->inCache($path);
|
|
|
|
$uploadPath = $exists ? $path : $path . '.part';
|
|
|
|
$fileId = $this->getCache()->put($uploadPath, $stat);
|
|
|
|
$urn = $this->getURN($fileId);
|
2014-06-12 00:15:42 +04:00
|
|
|
try {
|
2014-06-12 14:18:19 +04:00
|
|
|
//upload to object storage
|
2018-10-26 20:15:23 +03:00
|
|
|
if ($size === null) {
|
2019-02-15 15:24:58 +03:00
|
|
|
$countStream = CountWrapper::wrap($stream, function ($writtenSize) use ($fileId, &$size) {
|
2018-10-26 20:15:23 +03:00
|
|
|
$this->getCache()->update($fileId, [
|
|
|
|
'size' => $writtenSize
|
|
|
|
]);
|
|
|
|
$size = $writtenSize;
|
|
|
|
});
|
2018-12-12 17:24:40 +03:00
|
|
|
$this->objectStore->writeObject($urn, $countStream);
|
2018-10-26 20:15:23 +03:00
|
|
|
if (is_resource($countStream)) {
|
|
|
|
fclose($countStream);
|
|
|
|
}
|
|
|
|
} else {
|
2018-12-12 17:24:40 +03:00
|
|
|
$this->objectStore->writeObject($urn, $stream);
|
2018-10-26 20:15:23 +03:00
|
|
|
}
|
2014-06-12 00:15:42 +04:00
|
|
|
} catch (\Exception $ex) {
|
2018-12-12 17:24:40 +03:00
|
|
|
$this->getCache()->remove($uploadPath);
|
2017-06-19 14:52:51 +03:00
|
|
|
$this->logger->logException($ex, [
|
|
|
|
'app' => 'objectstore',
|
2018-12-12 17:24:40 +03:00
|
|
|
'message' => 'Could not create object ' . $urn . ' for ' . $path,
|
2017-06-19 14:52:51 +03:00
|
|
|
]);
|
2014-10-08 20:02:42 +04:00
|
|
|
throw $ex; // make this bubble up
|
2014-06-12 00:15:42 +04:00
|
|
|
}
|
2014-06-11 15:57:24 +04:00
|
|
|
|
2018-12-12 17:24:40 +03:00
|
|
|
if (!$exists) {
|
|
|
|
if ($this->objectStore->objectExists($urn)) {
|
|
|
|
$this->getCache()->move($uploadPath, $path);
|
|
|
|
} else {
|
|
|
|
$this->getCache()->remove($uploadPath);
|
|
|
|
throw new \Exception("Object not found after writing (urn: $urn, path: $path)", 404);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-10-26 20:15:23 +03:00
|
|
|
return $size;
|
2018-03-07 15:33:35 +03:00
|
|
|
}
|
2019-05-21 18:18:00 +03:00
|
|
|
|
|
|
|
public function getObjectStore(): IObjectStore {
|
|
|
|
return $this->objectStore;
|
|
|
|
}
|
2014-06-24 16:48:59 +04:00
|
|
|
}
|