546 lines
15 KiB
PHP
546 lines
15 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author J0WI <J0WI@users.noreply.github.com>
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* @author Julius Härtl <jus@bitgrid.net>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
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*
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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 OC\Files\Storage\Wrapper;
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use OC\Files\Cache\Wrapper\CacheJail;
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use OC\Files\Cache\Wrapper\JailPropagator;
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use OC\Files\Filesystem;
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use OCP\Files\Storage\IStorage;
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use OCP\Files\Storage\IWriteStreamStorage;
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use OCP\Lock\ILockingProvider;
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/**
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* Jail to a subdirectory of the wrapped storage
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*
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* This restricts access to a subfolder of the wrapped storage with the subfolder becoming the root folder new storage
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*/
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class Jail extends Wrapper {
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/**
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* @var string
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*/
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protected $rootPath;
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/**
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* @param array $arguments ['storage' => $storage, 'mask' => $root]
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*
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* $storage: The storage that will be wrapper
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* $root: The folder in the wrapped storage that will become the root folder of the wrapped storage
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*/
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public function __construct($arguments) {
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parent::__construct($arguments);
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$this->rootPath = $arguments['root'];
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}
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public function getUnjailedPath($path) {
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return trim(Filesystem::normalizePath($this->rootPath . '/' . $path), '/');
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}
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/**
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* This is separate from Wrapper::getWrapperStorage so we can get the jailed storage consistently even if the jail is inside another wrapper
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*/
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public function getUnjailedStorage() {
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return $this->storage;
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}
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public function getJailedPath($path) {
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$root = rtrim($this->rootPath, '/') . '/';
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if ($path !== $this->rootPath && strpos($path, $root) !== 0) {
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return null;
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} else {
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$path = substr($path, strlen($this->rootPath));
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return trim($path, '/');
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}
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}
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public function getId() {
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return parent::getId();
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}
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/**
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* see https://www.php.net/manual/en/function.mkdir.php
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*
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* @param string $path
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* @return bool
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*/
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public function mkdir($path) {
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return $this->getWrapperStorage()->mkdir($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.rmdir.php
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*
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* @param string $path
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* @return bool
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*/
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public function rmdir($path) {
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return $this->getWrapperStorage()->rmdir($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.opendir.php
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*
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* @param string $path
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* @return resource|bool
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*/
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public function opendir($path) {
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return $this->getWrapperStorage()->opendir($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.is_dir.php
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*
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* @param string $path
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* @return bool
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*/
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public function is_dir($path) {
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return $this->getWrapperStorage()->is_dir($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.is_file.php
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*
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* @param string $path
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* @return bool
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*/
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public function is_file($path) {
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return $this->getWrapperStorage()->is_file($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.stat.php
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* only the following keys are required in the result: size and mtime
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*
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* @param string $path
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* @return array|bool
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*/
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public function stat($path) {
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return $this->getWrapperStorage()->stat($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.filetype.php
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*
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* @param string $path
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* @return bool
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*/
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public function filetype($path) {
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return $this->getWrapperStorage()->filetype($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.filesize.php
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* The result for filesize when called on a folder is required to be 0
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*
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* @param string $path
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* @return int|bool
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*/
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public function filesize($path) {
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return $this->getWrapperStorage()->filesize($this->getUnjailedPath($path));
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}
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/**
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* check if a file can be created in $path
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*
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* @param string $path
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* @return bool
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*/
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public function isCreatable($path) {
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return $this->getWrapperStorage()->isCreatable($this->getUnjailedPath($path));
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}
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/**
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* check if a file can be read
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*
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* @param string $path
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* @return bool
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*/
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public function isReadable($path) {
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return $this->getWrapperStorage()->isReadable($this->getUnjailedPath($path));
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}
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/**
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* check if a file can be written to
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*
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* @param string $path
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* @return bool
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*/
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public function isUpdatable($path) {
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return $this->getWrapperStorage()->isUpdatable($this->getUnjailedPath($path));
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}
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/**
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* check if a file can be deleted
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*
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* @param string $path
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* @return bool
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*/
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public function isDeletable($path) {
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return $this->getWrapperStorage()->isDeletable($this->getUnjailedPath($path));
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}
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/**
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* check if a file can be shared
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*
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* @param string $path
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* @return bool
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*/
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public function isSharable($path) {
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return $this->getWrapperStorage()->isSharable($this->getUnjailedPath($path));
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}
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/**
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* get the full permissions of a path.
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* Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
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*
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* @param string $path
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* @return int
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*/
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public function getPermissions($path) {
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return $this->getWrapperStorage()->getPermissions($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.file_exists.php
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*
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* @param string $path
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* @return bool
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*/
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public function file_exists($path) {
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return $this->getWrapperStorage()->file_exists($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.filemtime.php
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*
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* @param string $path
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* @return int|bool
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*/
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public function filemtime($path) {
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return $this->getWrapperStorage()->filemtime($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.file_get_contents.php
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*
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* @param string $path
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* @return string|bool
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*/
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public function file_get_contents($path) {
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return $this->getWrapperStorage()->file_get_contents($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.file_put_contents.php
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*
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* @param string $path
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* @param mixed $data
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* @return int|false
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*/
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public function file_put_contents($path, $data) {
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return $this->getWrapperStorage()->file_put_contents($this->getUnjailedPath($path), $data);
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}
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/**
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* see https://www.php.net/manual/en/function.unlink.php
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*
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* @param string $path
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* @return bool
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*/
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public function unlink($path) {
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return $this->getWrapperStorage()->unlink($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.rename.php
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*
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* @param string $path1
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* @param string $path2
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* @return bool
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*/
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public function rename($path1, $path2) {
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return $this->getWrapperStorage()->rename($this->getUnjailedPath($path1), $this->getUnjailedPath($path2));
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}
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/**
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* see https://www.php.net/manual/en/function.copy.php
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*
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* @param string $path1
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* @param string $path2
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* @return bool
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*/
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public function copy($path1, $path2) {
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return $this->getWrapperStorage()->copy($this->getUnjailedPath($path1), $this->getUnjailedPath($path2));
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}
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/**
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* see https://www.php.net/manual/en/function.fopen.php
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*
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* @param string $path
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* @param string $mode
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* @return resource|bool
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*/
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public function fopen($path, $mode) {
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return $this->getWrapperStorage()->fopen($this->getUnjailedPath($path), $mode);
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}
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/**
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* get the mimetype for a file or folder
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* The mimetype for a folder is required to be "httpd/unix-directory"
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*
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* @param string $path
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* @return string|bool
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*/
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public function getMimeType($path) {
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return $this->getWrapperStorage()->getMimeType($this->getUnjailedPath($path));
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}
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/**
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* see https://www.php.net/manual/en/function.hash.php
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*
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* @param string $type
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* @param string $path
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* @param bool $raw
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* @return string|bool
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*/
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public function hash($type, $path, $raw = false) {
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return $this->getWrapperStorage()->hash($type, $this->getUnjailedPath($path), $raw);
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}
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/**
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* see https://www.php.net/manual/en/function.free_space.php
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*
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* @param string $path
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* @return int|bool
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*/
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public function free_space($path) {
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return $this->getWrapperStorage()->free_space($this->getUnjailedPath($path));
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}
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/**
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* search for occurrences of $query in file names
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*
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* @param string $query
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* @return array|bool
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*/
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public function search($query) {
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return $this->getWrapperStorage()->search($query);
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}
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/**
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* see https://www.php.net/manual/en/function.touch.php
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* If the backend does not support the operation, false should be returned
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*
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* @param string $path
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* @param int $mtime
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* @return bool
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*/
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public function touch($path, $mtime = null) {
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return $this->getWrapperStorage()->touch($this->getUnjailedPath($path), $mtime);
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}
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/**
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* get the path to a local version of the file.
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* The local version of the file can be temporary and doesn't have to be persistent across requests
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*
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* @param string $path
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* @return string|bool
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*/
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public function getLocalFile($path) {
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return $this->getWrapperStorage()->getLocalFile($this->getUnjailedPath($path));
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}
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/**
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* check if a file or folder has been updated since $time
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*
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* @param string $path
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* @param int $time
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* @return bool
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*
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* hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
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* returning true for other changes in the folder is optional
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*/
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public function hasUpdated($path, $time) {
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return $this->getWrapperStorage()->hasUpdated($this->getUnjailedPath($path), $time);
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}
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/**
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* get a cache instance for the storage
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*
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* @param string $path
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* @param \OC\Files\Storage\Storage (optional) the storage to pass to the cache
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* @return \OC\Files\Cache\Cache
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*/
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public function getCache($path = '', $storage = null) {
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if (!$storage) {
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$storage = $this->getWrapperStorage();
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}
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$sourceCache = $this->getWrapperStorage()->getCache($this->getUnjailedPath($path), $storage);
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return new CacheJail($sourceCache, $this->rootPath);
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}
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/**
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* get the user id of the owner of a file or folder
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*
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* @param string $path
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* @return string
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*/
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public function getOwner($path) {
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return $this->getWrapperStorage()->getOwner($this->getUnjailedPath($path));
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}
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/**
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* get a watcher instance for the cache
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*
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* @param string $path
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* @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
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* @return \OC\Files\Cache\Watcher
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*/
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public function getWatcher($path = '', $storage = null) {
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if (!$storage) {
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$storage = $this;
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}
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return $this->getWrapperStorage()->getWatcher($this->getUnjailedPath($path), $storage);
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}
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/**
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* get the ETag for a file or folder
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*
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* @param string $path
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* @return string|bool
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*/
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public function getETag($path) {
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return $this->getWrapperStorage()->getETag($this->getUnjailedPath($path));
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}
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/**
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* @param string $path
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* @return array
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*/
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public function getMetaData($path) {
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return $this->getWrapperStorage()->getMetaData($this->getUnjailedPath($path));
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}
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/**
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* @param string $path
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @param \OCP\Lock\ILockingProvider $provider
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* @throws \OCP\Lock\LockedException
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*/
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public function acquireLock($path, $type, ILockingProvider $provider) {
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$this->getWrapperStorage()->acquireLock($this->getUnjailedPath($path), $type, $provider);
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}
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/**
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* @param string $path
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @param \OCP\Lock\ILockingProvider $provider
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*/
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public function releaseLock($path, $type, ILockingProvider $provider) {
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$this->getWrapperStorage()->releaseLock($this->getUnjailedPath($path), $type, $provider);
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}
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/**
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* @param string $path
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* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
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* @param \OCP\Lock\ILockingProvider $provider
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*/
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public function changeLock($path, $type, ILockingProvider $provider) {
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$this->getWrapperStorage()->changeLock($this->getUnjailedPath($path), $type, $provider);
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}
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/**
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* Resolve the path for the source of the share
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*
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* @param string $path
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* @return array
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*/
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public function resolvePath($path) {
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return [$this->getWrapperStorage(), $this->getUnjailedPath($path)];
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}
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/**
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* @param IStorage $sourceStorage
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* @param string $sourceInternalPath
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* @param string $targetInternalPath
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* @return bool
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*/
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public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
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if ($sourceStorage === $this) {
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return $this->copy($sourceInternalPath, $targetInternalPath);
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}
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return $this->getWrapperStorage()->copyFromStorage($sourceStorage, $sourceInternalPath, $this->getUnjailedPath($targetInternalPath));
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}
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/**
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* @param IStorage $sourceStorage
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* @param string $sourceInternalPath
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* @param string $targetInternalPath
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* @return bool
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*/
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public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
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if ($sourceStorage === $this) {
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return $this->rename($sourceInternalPath, $targetInternalPath);
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}
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return $this->getWrapperStorage()->moveFromStorage($sourceStorage, $sourceInternalPath, $this->getUnjailedPath($targetInternalPath));
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}
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public function getPropagator($storage = null) {
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if (isset($this->propagator)) {
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return $this->propagator;
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}
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if (!$storage) {
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$storage = $this;
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}
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$this->propagator = new JailPropagator($storage, \OC::$server->getDatabaseConnection());
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return $this->propagator;
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}
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public function writeStream(string $path, $stream, int $size = null): int {
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$storage = $this->getWrapperStorage();
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if ($storage->instanceOfStorage(IWriteStreamStorage::class)) {
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/** @var IWriteStreamStorage $storage */
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return $storage->writeStream($this->getUnjailedPath($path), $stream, $size);
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} else {
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$target = $this->fopen($path, 'w');
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list($count, $result) = \OC_Helper::streamCopy($stream, $target);
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fclose($stream);
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fclose($target);
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return $count;
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}
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}
|
|
|
|
public function getDirectoryContent($directory): \Traversable {
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|
return $this->getWrapperStorage()->getDirectoryContent($this->getUnjailedPath($directory));
|
|
}
|
|
}
|