349 lines
8.0 KiB
PHP
349 lines
8.0 KiB
PHP
<?php
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/**
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* @author Arthur Schiwon <blizzz@owncloud.com>
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Jakob Sack <mail@jakobsack.de>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Klaas Freitag <freitag@owncloud.com>
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* @author Markus Goetz <markus@woboq.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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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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* 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, version 3,
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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 OCA\DAV\Connector\Sabre;
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use OC\Files\Mount\MoveableMount;
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use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
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use OCP\Share\Exceptions\ShareNotFound;
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use OCP\Share\IManager;
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abstract class Node implements \Sabre\DAV\INode {
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/**
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* @var \OC\Files\View
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*/
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protected $fileView;
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/**
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* The path to the current node
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*
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* @var string
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*/
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protected $path;
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/**
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* node properties cache
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*
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* @var array
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*/
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protected $property_cache = null;
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/**
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* @var \OCP\Files\FileInfo
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*/
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protected $info;
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/**
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* @var IManager
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*/
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protected $shareManager;
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/**
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* Sets up the node, expects a full path name
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*
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* @param \OC\Files\View $view
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* @param \OCP\Files\FileInfo $info
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* @param IManager $shareManager
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*/
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public function __construct($view, $info, IManager $shareManager = null) {
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$this->fileView = $view;
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$this->path = $this->fileView->getRelativePath($info->getPath());
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$this->info = $info;
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if ($shareManager) {
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$this->shareManager = $shareManager;
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} else {
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$this->shareManager = \OC::$server->getShareManager();
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}
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}
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protected function refreshInfo() {
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$this->info = $this->fileView->getFileInfo($this->path);
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}
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/**
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* Returns the name of the node
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*
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* @return string
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*/
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public function getName() {
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return $this->info->getName();
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}
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/**
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* Returns the full path
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*
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* @return string
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*/
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public function getPath() {
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return $this->path;
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}
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/**
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* Renames the node
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*
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* @param string $name The new name
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* @throws \Sabre\DAV\Exception\BadRequest
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* @throws \Sabre\DAV\Exception\Forbidden
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*/
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public function setName($name) {
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// rename is only allowed if the update privilege is granted
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if (!$this->info->isUpdateable()) {
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throw new \Sabre\DAV\Exception\Forbidden();
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}
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list($parentPath,) = \Sabre\HTTP\URLUtil::splitPath($this->path);
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list(, $newName) = \Sabre\HTTP\URLUtil::splitPath($name);
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// verify path of the target
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$this->verifyPath();
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$newPath = $parentPath . '/' . $newName;
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$this->fileView->rename($this->path, $newPath);
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$this->path = $newPath;
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$this->refreshInfo();
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}
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public function setPropertyCache($property_cache) {
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$this->property_cache = $property_cache;
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}
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/**
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* Returns the last modification time, as a unix timestamp
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*
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* @return int timestamp as integer
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*/
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public function getLastModified() {
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$timestamp = $this->info->getMtime();
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if (!empty($timestamp)) {
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return (int)$timestamp;
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}
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return $timestamp;
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}
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/**
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* sets the last modification time of the file (mtime) to the value given
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* in the second parameter or to now if the second param is empty.
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* Even if the modification time is set to a custom value the access time is set to now.
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*/
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public function touch($mtime) {
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$this->fileView->touch($this->path, $mtime);
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$this->refreshInfo();
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}
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/**
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* Returns the ETag for a file
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*
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* An ETag is a unique identifier representing the current version of the
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* file. If the file changes, the ETag MUST change. The ETag is an
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* arbitrary string, but MUST be surrounded by double-quotes.
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*
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* Return null if the ETag can not effectively be determined
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*
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* @return string
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*/
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public function getETag() {
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return '"' . $this->info->getEtag() . '"';
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}
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/**
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* Sets the ETag
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*
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* @param string $etag
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*
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* @return int file id of updated file or -1 on failure
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*/
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public function setETag($etag) {
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return $this->fileView->putFileInfo($this->path, array('etag' => $etag));
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}
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/**
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* Returns the size of the node, in bytes
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*
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* @return integer
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*/
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public function getSize() {
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return $this->info->getSize();
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}
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/**
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* Returns the cache's file id
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*
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* @return int
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*/
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public function getId() {
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return $this->info->getId();
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}
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/**
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* @return string|null
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*/
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public function getFileId() {
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if ($this->info->getId()) {
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$instanceId = \OC_Util::getInstanceId();
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$id = sprintf('%08d', $this->info->getId());
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return $id . $instanceId;
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}
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return null;
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}
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/**
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* @return integer
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*/
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public function getInternalFileId() {
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return $this->info->getId();
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}
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/**
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* @param string $user
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* @return int
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*/
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public function getSharePermissions($user) {
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// check of we access a federated share
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if ($user !== null) {
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try {
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$share = $this->shareManager->getShareByToken($user);
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return $share->getPermissions();
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} catch (ShareNotFound $e) {
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// ignore
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}
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}
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$storage = $this->info->getStorage();
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$path = $this->info->getInternalPath();
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if ($storage->instanceOfStorage('\OC\Files\Storage\Shared')) {
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/** @var \OC\Files\Storage\Shared $storage */
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$permissions = (int)$storage->getShare()->getPermissions();
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} else {
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$permissions = $storage->getPermissions($path);
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}
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/*
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* We can always share non moveable mount points with DELETE and UPDATE
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* Eventually we need to do this properly
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*/
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$mountpoint = $this->info->getMountPoint();
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if (!($mountpoint instanceof MoveableMount)) {
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$mountpointpath = $mountpoint->getMountPoint();
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if (substr($mountpointpath, -1) === '/') {
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$mountpointpath = substr($mountpointpath, 0, -1);
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}
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if ($mountpointpath === $this->info->getPath()) {
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$permissions |= \OCP\Constants::PERMISSION_DELETE | \OCP\Constants::PERMISSION_UPDATE;
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}
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}
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/*
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* Files can't have create or delete permissions
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*/
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if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
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$permissions &= ~(\OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_DELETE);
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}
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return $permissions;
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}
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/**
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* @return string
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*/
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public function getDavPermissions() {
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$p = '';
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if ($this->info->isShared()) {
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$p .= 'S';
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}
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if ($this->info->isShareable()) {
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$p .= 'R';
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}
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if ($this->info->isMounted()) {
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$p .= 'M';
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}
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if ($this->info->isDeletable()) {
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$p .= 'D';
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}
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if ($this->info->isUpdateable()) {
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$p .= 'NV'; // Renameable, Moveable
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}
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if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
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if ($this->info->isUpdateable()) {
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$p .= 'W';
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}
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} else {
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if ($this->info->isCreatable()) {
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$p .= 'CK';
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}
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}
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return $p;
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}
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public function getOwner() {
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return $this->info->getOwner();
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}
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protected function verifyPath() {
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try {
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$fileName = basename($this->info->getPath());
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$this->fileView->verifyPath($this->path, $fileName);
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} catch (\OCP\Files\InvalidPathException $ex) {
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throw new InvalidPath($ex->getMessage());
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}
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}
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/**
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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*/
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public function acquireLock($type) {
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$this->fileView->lockFile($this->path, $type);
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}
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/**
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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*/
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public function releaseLock($type) {
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$this->fileView->unlockFile($this->path, $type);
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}
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/**
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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*/
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public function changeLock($type) {
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$this->fileView->changeLock($this->path, $type);
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}
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}
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