1974 lines
57 KiB
PHP
1974 lines
57 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 Björn Schießle <schiessle@owncloud.com>
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* @author cmeh <cmeh@users.noreply.github.com>
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* @author Florin Peter <github@florin-peter.de>
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* @author Jesus Macias <jmacias@full-on-net.com>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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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 Lukas Reschke <lukas@owncloud.com>
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* @author Luke Policinski <lpolicinski@gmail.com>
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* @author Martin Mattel <martin.mattel@diemattels.at>
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* @author Michael Gapczynski <GapczynskiM@gmail.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 Robin McCorkell <rmccorkell@karoshi.org.uk>
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* @author Roman Geber <rgeber@owncloudapps.com>
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* @author Sam Tuke <mail@samtuke.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Thomas Tanghus <thomas@tanghus.net>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2015, 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 OC\Files;
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use Icewind\Streams\CallbackWrapper;
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use OC\Files\Cache\Updater;
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use OC\Files\Mount\MoveableMount;
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use OCP\Files\FileNameTooLongException;
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use OCP\Files\InvalidCharacterInPathException;
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use OCP\Files\InvalidPathException;
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use OCP\Files\ReservedWordException;
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use OCP\Lock\ILockingProvider;
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use OCP\Lock\LockedException;
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/**
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* Class to provide access to ownCloud filesystem via a "view", and methods for
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* working with files within that view (e.g. read, write, delete, etc.). Each
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* view is restricted to a set of directories via a virtual root. The default view
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* uses the currently logged in user's data directory as root (parts of
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* OC_Filesystem are merely a wrapper for OC\Files\View).
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*
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* Apps that need to access files outside of the user data folders (to modify files
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* belonging to a user other than the one currently logged in, for example) should
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* use this class directly rather than using OC_Filesystem, or making use of PHP's
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* built-in file manipulation functions. This will ensure all hooks and proxies
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* are triggered correctly.
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*
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* Filesystem functions are not called directly; they are passed to the correct
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* \OC\Files\Storage\Storage object
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*/
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class View {
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/** @var string */
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private $fakeRoot = '';
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/** @var \OC\Files\Cache\Updater */
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protected $updater;
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/**
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* @var \OCP\Lock\ILockingProvider
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*/
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private $lockingProvider;
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private $lockingEnabled;
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/**
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* @param string $root
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* @throws \Exception If $root contains an invalid path
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*/
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public function __construct($root = '') {
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if (is_null($root)) {
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throw new \InvalidArgumentException('Root can\'t be null');
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}
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if (!Filesystem::isValidPath($root)) {
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throw new \Exception();
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}
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$this->fakeRoot = $root;
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$this->updater = new Updater($this);
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$this->lockingProvider = \OC::$server->getLockingProvider();
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$this->lockingEnabled = !($this->lockingProvider instanceof \OC\Lock\NoopLockingProvider);
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}
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public function getAbsolutePath($path = '/') {
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if ($path === null) {
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return null;
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}
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$this->assertPathLength($path);
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if ($path === '') {
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$path = '/';
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}
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if ($path[0] !== '/') {
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$path = '/' . $path;
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}
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return $this->fakeRoot . $path;
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}
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/**
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* change the root to a fake root
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*
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* @param string $fakeRoot
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* @return boolean|null
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*/
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public function chroot($fakeRoot) {
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if (!$fakeRoot == '') {
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if ($fakeRoot[0] !== '/') {
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$fakeRoot = '/' . $fakeRoot;
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}
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}
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$this->fakeRoot = $fakeRoot;
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}
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/**
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* get the fake root
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*
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* @return string
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*/
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public function getRoot() {
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return $this->fakeRoot;
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}
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/**
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* get path relative to the root of the view
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*
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* @param string $path
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* @return string
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*/
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public function getRelativePath($path) {
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$this->assertPathLength($path);
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if ($this->fakeRoot == '') {
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return $path;
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}
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if (rtrim($path, '/') === rtrim($this->fakeRoot, '/')) {
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return '/';
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}
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// missing slashes can cause wrong matches!
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$root = rtrim($this->fakeRoot, '/') . '/';
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if (strpos($path, $root) !== 0) {
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return null;
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} else {
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$path = substr($path, strlen($this->fakeRoot));
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if (strlen($path) === 0) {
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return '/';
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} else {
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return $path;
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}
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}
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}
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/**
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* get the mountpoint of the storage object for a path
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* ( note: because a storage is not always mounted inside the fakeroot, the
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* returned mountpoint is relative to the absolute root of the filesystem
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* and does not take the chroot into account )
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*
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* @param string $path
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* @return string
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*/
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public function getMountPoint($path) {
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return Filesystem::getMountPoint($this->getAbsolutePath($path));
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}
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/**
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* get the mountpoint of the storage object for a path
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* ( note: because a storage is not always mounted inside the fakeroot, the
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* returned mountpoint is relative to the absolute root of the filesystem
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* and does not take the chroot into account )
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*
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* @param string $path
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* @return \OCP\Files\Mount\IMountPoint
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*/
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public function getMount($path) {
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return Filesystem::getMountManager()->find($this->getAbsolutePath($path));
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}
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/**
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* resolve a path to a storage and internal path
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*
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* @param string $path
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* @return array an array consisting of the storage and the internal path
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*/
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public function resolvePath($path) {
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$a = $this->getAbsolutePath($path);
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$p = Filesystem::normalizePath($a);
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return Filesystem::resolvePath($p);
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}
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/**
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* return the path to a local version of the file
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* we need this because we can't know if a file is stored local or not from
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* outside the filestorage and for some purposes a local file is needed
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*
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* @param string $path
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* @return string
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*/
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public function getLocalFile($path) {
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$parent = substr($path, 0, strrpos($path, '/'));
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$path = $this->getAbsolutePath($path);
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list($storage, $internalPath) = Filesystem::resolvePath($path);
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if (Filesystem::isValidPath($parent) and $storage) {
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return $storage->getLocalFile($internalPath);
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} else {
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return null;
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}
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}
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/**
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* @param string $path
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* @return string
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*/
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public function getLocalFolder($path) {
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$parent = substr($path, 0, strrpos($path, '/'));
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$path = $this->getAbsolutePath($path);
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list($storage, $internalPath) = Filesystem::resolvePath($path);
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if (Filesystem::isValidPath($parent) and $storage) {
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return $storage->getLocalFolder($internalPath);
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} else {
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return null;
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}
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}
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/**
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* the following functions operate with arguments and return values identical
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* to those of their PHP built-in equivalents. Mostly they are merely wrappers
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* for \OC\Files\Storage\Storage via basicOperation().
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*/
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public function mkdir($path) {
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return $this->basicOperation('mkdir', $path, array('create', 'write'));
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}
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/**
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* remove mount point
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*
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* @param \OC\Files\Mount\MoveableMount $mount
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* @param string $path relative to data/
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* @return boolean
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*/
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protected function removeMount($mount, $path) {
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if ($mount instanceof MoveableMount) {
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// cut of /user/files to get the relative path to data/user/files
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$pathParts = explode('/', $path, 4);
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$relPath = '/' . $pathParts[3];
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\OC_Hook::emit(
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Filesystem::CLASSNAME, "umount",
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array(Filesystem::signal_param_path => $relPath)
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);
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$result = $mount->removeMount();
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if ($result) {
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\OC_Hook::emit(
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Filesystem::CLASSNAME, "post_umount",
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array(Filesystem::signal_param_path => $relPath)
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);
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}
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return $result;
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} else {
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// do not allow deleting the storage's root / the mount point
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// because for some storages it might delete the whole contents
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// but isn't supposed to work that way
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return false;
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}
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}
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/**
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* @param string $path
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* @return bool|mixed
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*/
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public function rmdir($path) {
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$absolutePath = $this->getAbsolutePath($path);
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$mount = Filesystem::getMountManager()->find($absolutePath);
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if ($mount->getInternalPath($absolutePath) === '') {
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return $this->removeMount($mount, $path);
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}
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if ($this->is_dir($path)) {
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return $this->basicOperation('rmdir', $path, array('delete'));
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} else {
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return false;
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}
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}
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/**
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* @param string $path
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* @return resource
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*/
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public function opendir($path) {
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return $this->basicOperation('opendir', $path, array('read'));
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}
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/**
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* @param $handle
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* @return mixed
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*/
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public function readdir($handle) {
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$fsLocal = new Storage\Local(array('datadir' => '/'));
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return $fsLocal->readdir($handle);
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}
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/**
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* @param string $path
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* @return bool|mixed
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*/
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public function is_dir($path) {
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if ($path == '/') {
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return true;
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}
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return $this->basicOperation('is_dir', $path);
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}
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/**
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* @param string $path
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* @return bool|mixed
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*/
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public function is_file($path) {
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if ($path == '/') {
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return false;
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}
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return $this->basicOperation('is_file', $path);
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function stat($path) {
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return $this->basicOperation('stat', $path);
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function filetype($path) {
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return $this->basicOperation('filetype', $path);
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function filesize($path) {
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return $this->basicOperation('filesize', $path);
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}
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/**
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* @param string $path
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* @return bool|mixed
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* @throws \OCP\Files\InvalidPathException
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*/
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public function readfile($path) {
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$this->assertPathLength($path);
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@ob_end_clean();
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$handle = $this->fopen($path, 'rb');
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if ($handle) {
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$chunkSize = 8192; // 8 kB chunks
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while (!feof($handle)) {
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echo fread($handle, $chunkSize);
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flush();
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}
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$size = $this->filesize($path);
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return $size;
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}
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return false;
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function isCreatable($path) {
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return $this->basicOperation('isCreatable', $path);
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function isReadable($path) {
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return $this->basicOperation('isReadable', $path);
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function isUpdatable($path) {
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return $this->basicOperation('isUpdatable', $path);
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}
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/**
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* @param string $path
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* @return bool|mixed
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*/
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public function isDeletable($path) {
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$absolutePath = $this->getAbsolutePath($path);
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$mount = Filesystem::getMountManager()->find($absolutePath);
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if ($mount->getInternalPath($absolutePath) === '') {
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return $mount instanceof MoveableMount;
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}
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return $this->basicOperation('isDeletable', $path);
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function isSharable($path) {
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return $this->basicOperation('isSharable', $path);
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}
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/**
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* @param string $path
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* @return bool|mixed
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*/
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public function file_exists($path) {
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if ($path == '/') {
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return true;
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}
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return $this->basicOperation('file_exists', $path);
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function filemtime($path) {
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return $this->basicOperation('filemtime', $path);
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}
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/**
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* @param string $path
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* @param int|string $mtime
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* @return bool
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*/
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public function touch($path, $mtime = null) {
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if (!is_null($mtime) and !is_numeric($mtime)) {
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$mtime = strtotime($mtime);
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}
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$hooks = array('touch');
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if (!$this->file_exists($path)) {
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$hooks[] = 'create';
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$hooks[] = 'write';
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}
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$result = $this->basicOperation('touch', $path, $hooks, $mtime);
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if (!$result) {
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// If create file fails because of permissions on external storage like SMB folders,
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// check file exists and return false if not.
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if (!$this->file_exists($path)) {
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return false;
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}
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if (is_null($mtime)) {
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$mtime = time();
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}
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//if native touch fails, we emulate it by changing the mtime in the cache
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$this->putFileInfo($path, array('mtime' => $mtime));
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}
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return true;
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}
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/**
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* @param string $path
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* @return mixed
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*/
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public function file_get_contents($path) {
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return $this->basicOperation('file_get_contents', $path, array('read'));
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}
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/**
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* @param bool $exists
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* @param string $path
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* @param bool $run
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*/
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protected function emit_file_hooks_pre($exists, $path, &$run) {
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if (!$exists) {
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\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_create, array(
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Filesystem::signal_param_path => $this->getHookPath($path),
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Filesystem::signal_param_run => &$run,
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));
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} else {
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\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_update, array(
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Filesystem::signal_param_path => $this->getHookPath($path),
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Filesystem::signal_param_run => &$run,
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));
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}
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\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_write, array(
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Filesystem::signal_param_path => $this->getHookPath($path),
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Filesystem::signal_param_run => &$run,
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));
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}
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/**
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* @param bool $exists
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* @param string $path
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*/
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protected function emit_file_hooks_post($exists, $path) {
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if (!$exists) {
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\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_create, array(
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Filesystem::signal_param_path => $this->getHookPath($path),
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));
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} else {
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\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_update, array(
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Filesystem::signal_param_path => $this->getHookPath($path),
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));
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}
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\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_write, array(
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Filesystem::signal_param_path => $this->getHookPath($path),
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));
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}
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/**
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* @param string $path
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* @param mixed $data
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* @return bool|mixed
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*/
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public function file_put_contents($path, $data) {
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if (is_resource($data)) { //not having to deal with streams in file_put_contents makes life easier
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$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
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if (Filesystem::isValidPath($path)
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and !Filesystem::isFileBlacklisted($path)
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) {
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$path = $this->getRelativePath($absolutePath);
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$this->lockFile($path, ILockingProvider::LOCK_SHARED);
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$exists = $this->file_exists($path);
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$run = true;
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if ($this->shouldEmitHooks($path)) {
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$this->emit_file_hooks_pre($exists, $path, $run);
|
|
}
|
|
if (!$run) {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
|
|
return false;
|
|
}
|
|
|
|
$this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
|
|
|
|
/** @var \OC\Files\Storage\Storage $storage */
|
|
list($storage, $internalPath) = $this->resolvePath($path);
|
|
$target = $storage->fopen($internalPath, 'w');
|
|
if ($target) {
|
|
list (, $result) = \OC_Helper::streamCopy($data, $target);
|
|
fclose($target);
|
|
fclose($data);
|
|
|
|
$this->updater->update($path);
|
|
|
|
$this->changeLock($path, ILockingProvider::LOCK_SHARED);
|
|
|
|
if ($this->shouldEmitHooks($path) && $result !== false) {
|
|
$this->emit_file_hooks_post($exists, $path);
|
|
}
|
|
$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
|
|
return $result;
|
|
} else {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
$hooks = ($this->file_exists($path)) ? array('update', 'write') : array('create', 'write');
|
|
return $this->basicOperation('file_put_contents', $path, $hooks, $data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @return bool|mixed
|
|
*/
|
|
public function unlink($path) {
|
|
if ($path === '' || $path === '/') {
|
|
// do not allow deleting the root
|
|
return false;
|
|
}
|
|
$postFix = (substr($path, -1, 1) === '/') ? '/' : '';
|
|
$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
|
|
$mount = Filesystem::getMountManager()->find($absolutePath . $postFix);
|
|
if ($mount and $mount->getInternalPath($absolutePath) === '') {
|
|
return $this->removeMount($mount, $absolutePath);
|
|
}
|
|
return $this->basicOperation('unlink', $path, array('delete'));
|
|
}
|
|
|
|
/**
|
|
* @param string $directory
|
|
* @return bool|mixed
|
|
*/
|
|
public function deleteAll($directory) {
|
|
return $this->rmdir($directory);
|
|
}
|
|
|
|
/**
|
|
* Rename/move a file or folder from the source path to target path.
|
|
*
|
|
* @param string $path1 source path
|
|
* @param string $path2 target path
|
|
*
|
|
* @return bool|mixed
|
|
*/
|
|
public function rename($path1, $path2) {
|
|
$absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
|
|
$absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
|
|
$result = false;
|
|
if (
|
|
Filesystem::isValidPath($path2)
|
|
and Filesystem::isValidPath($path1)
|
|
and !Filesystem::isFileBlacklisted($path2)
|
|
) {
|
|
$path1 = $this->getRelativePath($absolutePath1);
|
|
$path2 = $this->getRelativePath($absolutePath2);
|
|
$exists = $this->file_exists($path2);
|
|
|
|
if ($path1 == null or $path2 == null) {
|
|
return false;
|
|
}
|
|
|
|
$this->lockFile($path1, ILockingProvider::LOCK_SHARED, true);
|
|
try {
|
|
$this->lockFile($path2, ILockingProvider::LOCK_SHARED, true);
|
|
} catch (LockedException $e) {
|
|
$this->unlockFile($path1, ILockingProvider::LOCK_SHARED);
|
|
throw $e;
|
|
}
|
|
|
|
$run = true;
|
|
if ($this->shouldEmitHooks($path1) && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {
|
|
// if it was a rename from a part file to a regular file it was a write and not a rename operation
|
|
$this->emit_file_hooks_pre($exists, $path2, $run);
|
|
} elseif ($this->shouldEmitHooks($path1)) {
|
|
\OC_Hook::emit(
|
|
Filesystem::CLASSNAME, Filesystem::signal_rename,
|
|
array(
|
|
Filesystem::signal_param_oldpath => $this->getHookPath($path1),
|
|
Filesystem::signal_param_newpath => $this->getHookPath($path2),
|
|
Filesystem::signal_param_run => &$run
|
|
)
|
|
);
|
|
}
|
|
if ($run) {
|
|
$this->verifyPath(dirname($path2), basename($path2));
|
|
|
|
$manager = Filesystem::getMountManager();
|
|
$mount1 = $this->getMount($path1);
|
|
$mount2 = $this->getMount($path2);
|
|
$storage1 = $mount1->getStorage();
|
|
$storage2 = $mount2->getStorage();
|
|
$internalPath1 = $mount1->getInternalPath($absolutePath1);
|
|
$internalPath2 = $mount2->getInternalPath($absolutePath2);
|
|
|
|
$this->changeLock($path1, ILockingProvider::LOCK_EXCLUSIVE, true);
|
|
$this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE, true);
|
|
|
|
if ($internalPath1 === '' and $mount1 instanceof MoveableMount) {
|
|
if ($this->isTargetAllowed($absolutePath2)) {
|
|
/**
|
|
* @var \OC\Files\Mount\MountPoint | \OC\Files\Mount\MoveableMount $mount1
|
|
*/
|
|
$sourceMountPoint = $mount1->getMountPoint();
|
|
$result = $mount1->moveMount($absolutePath2);
|
|
$manager->moveMount($sourceMountPoint, $mount1->getMountPoint());
|
|
} else {
|
|
$result = false;
|
|
}
|
|
// moving a file/folder within the same mount point
|
|
} elseif ($storage1 == $storage2) {
|
|
if ($storage1) {
|
|
$result = $storage1->rename($internalPath1, $internalPath2);
|
|
} else {
|
|
$result = false;
|
|
}
|
|
// moving a file/folder between storages (from $storage1 to $storage2)
|
|
} else {
|
|
$result = $storage2->moveFromStorage($storage1, $internalPath1, $internalPath2);
|
|
}
|
|
|
|
if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
|
|
// if it was a rename from a part file to a regular file it was a write and not a rename operation
|
|
$this->updater->update($path2);
|
|
} else if ($result) {
|
|
if ($internalPath1 !== '') { // dont do a cache update for moved mounts
|
|
$this->updater->rename($path1, $path2);
|
|
} else { // only do etag propagation
|
|
$this->getUpdater()->getPropagator()->addChange($path1);
|
|
$this->getUpdater()->getPropagator()->addChange($path2);
|
|
$this->getUpdater()->getPropagator()->propagateChanges();
|
|
}
|
|
}
|
|
|
|
$this->changeLock($path1, ILockingProvider::LOCK_SHARED, true);
|
|
$this->changeLock($path2, ILockingProvider::LOCK_SHARED, true);
|
|
|
|
if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
|
|
if ($this->shouldEmitHooks()) {
|
|
$this->emit_file_hooks_post($exists, $path2);
|
|
}
|
|
} elseif ($result) {
|
|
if ($this->shouldEmitHooks($path1) and $this->shouldEmitHooks($path2)) {
|
|
\OC_Hook::emit(
|
|
Filesystem::CLASSNAME,
|
|
Filesystem::signal_post_rename,
|
|
array(
|
|
Filesystem::signal_param_oldpath => $this->getHookPath($path1),
|
|
Filesystem::signal_param_newpath => $this->getHookPath($path2)
|
|
)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
$this->unlockFile($path1, ILockingProvider::LOCK_SHARED, true);
|
|
$this->unlockFile($path2, ILockingProvider::LOCK_SHARED, true);
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Copy a file/folder from the source path to target path
|
|
*
|
|
* @param string $path1 source path
|
|
* @param string $path2 target path
|
|
* @param bool $preserveMtime whether to preserve mtime on the copy
|
|
*
|
|
* @return bool|mixed
|
|
*/
|
|
public function copy($path1, $path2, $preserveMtime = false) {
|
|
$absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
|
|
$absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
|
|
$result = false;
|
|
if (
|
|
Filesystem::isValidPath($path2)
|
|
and Filesystem::isValidPath($path1)
|
|
and !Filesystem::isFileBlacklisted($path2)
|
|
) {
|
|
$path1 = $this->getRelativePath($absolutePath1);
|
|
$path2 = $this->getRelativePath($absolutePath2);
|
|
|
|
if ($path1 == null or $path2 == null) {
|
|
return false;
|
|
}
|
|
$run = true;
|
|
|
|
$this->lockFile($path2, ILockingProvider::LOCK_SHARED);
|
|
$this->lockFile($path1, ILockingProvider::LOCK_SHARED);
|
|
$lockTypePath1 = ILockingProvider::LOCK_SHARED;
|
|
$lockTypePath2 = ILockingProvider::LOCK_SHARED;
|
|
|
|
try {
|
|
|
|
$exists = $this->file_exists($path2);
|
|
if ($this->shouldEmitHooks()) {
|
|
\OC_Hook::emit(
|
|
Filesystem::CLASSNAME,
|
|
Filesystem::signal_copy,
|
|
array(
|
|
Filesystem::signal_param_oldpath => $this->getHookPath($path1),
|
|
Filesystem::signal_param_newpath => $this->getHookPath($path2),
|
|
Filesystem::signal_param_run => &$run
|
|
)
|
|
);
|
|
$this->emit_file_hooks_pre($exists, $path2, $run);
|
|
}
|
|
if ($run) {
|
|
$mount1 = $this->getMount($path1);
|
|
$mount2 = $this->getMount($path2);
|
|
$storage1 = $mount1->getStorage();
|
|
$internalPath1 = $mount1->getInternalPath($absolutePath1);
|
|
$storage2 = $mount2->getStorage();
|
|
$internalPath2 = $mount2->getInternalPath($absolutePath2);
|
|
|
|
$this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE);
|
|
$lockTypePath2 = ILockingProvider::LOCK_EXCLUSIVE;
|
|
|
|
if ($mount1->getMountPoint() == $mount2->getMountPoint()) {
|
|
if ($storage1) {
|
|
$result = $storage1->copy($internalPath1, $internalPath2);
|
|
} else {
|
|
$result = false;
|
|
}
|
|
} else {
|
|
$result = $storage2->copyFromStorage($storage1, $internalPath1, $internalPath2);
|
|
}
|
|
|
|
$this->updater->update($path2);
|
|
|
|
$this->changeLock($path2, ILockingProvider::LOCK_SHARED);
|
|
$lockTypePath2 = ILockingProvider::LOCK_SHARED;
|
|
|
|
if ($this->shouldEmitHooks() && $result !== false) {
|
|
\OC_Hook::emit(
|
|
Filesystem::CLASSNAME,
|
|
Filesystem::signal_post_copy,
|
|
array(
|
|
Filesystem::signal_param_oldpath => $this->getHookPath($path1),
|
|
Filesystem::signal_param_newpath => $this->getHookPath($path2)
|
|
)
|
|
);
|
|
$this->emit_file_hooks_post($exists, $path2);
|
|
}
|
|
|
|
}
|
|
} catch (\Exception $e) {
|
|
$this->unlockFile($path2, $lockTypePath2);
|
|
$this->unlockFile($path1, $lockTypePath1);
|
|
throw $e;
|
|
}
|
|
|
|
$this->unlockFile($path2, $lockTypePath2);
|
|
$this->unlockFile($path1, $lockTypePath1);
|
|
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @param string $mode
|
|
* @return resource
|
|
*/
|
|
public function fopen($path, $mode) {
|
|
$hooks = array();
|
|
switch ($mode) {
|
|
case 'r':
|
|
case 'rb':
|
|
$hooks[] = 'read';
|
|
break;
|
|
case 'r+':
|
|
case 'rb+':
|
|
case 'w+':
|
|
case 'wb+':
|
|
case 'x+':
|
|
case 'xb+':
|
|
case 'a+':
|
|
case 'ab+':
|
|
$hooks[] = 'read';
|
|
$hooks[] = 'write';
|
|
break;
|
|
case 'w':
|
|
case 'wb':
|
|
case 'x':
|
|
case 'xb':
|
|
case 'a':
|
|
case 'ab':
|
|
$hooks[] = 'write';
|
|
break;
|
|
default:
|
|
\OCP\Util::writeLog('core', 'invalid mode (' . $mode . ') for ' . $path, \OCP\Util::ERROR);
|
|
}
|
|
|
|
return $this->basicOperation('fopen', $path, $hooks, $mode);
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @return bool|string
|
|
* @throws \OCP\Files\InvalidPathException
|
|
*/
|
|
public function toTmpFile($path) {
|
|
$this->assertPathLength($path);
|
|
if (Filesystem::isValidPath($path)) {
|
|
$source = $this->fopen($path, 'r');
|
|
if ($source) {
|
|
$extension = pathinfo($path, PATHINFO_EXTENSION);
|
|
$tmpFile = \OC_Helper::tmpFile($extension);
|
|
file_put_contents($tmpFile, $source);
|
|
return $tmpFile;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $tmpFile
|
|
* @param string $path
|
|
* @return bool|mixed
|
|
* @throws \OCP\Files\InvalidPathException
|
|
*/
|
|
public function fromTmpFile($tmpFile, $path) {
|
|
$this->assertPathLength($path);
|
|
if (Filesystem::isValidPath($path)) {
|
|
|
|
// Get directory that the file is going into
|
|
$filePath = dirname($path);
|
|
|
|
// Create the directories if any
|
|
if (!$this->file_exists($filePath)) {
|
|
$this->mkdir($filePath);
|
|
}
|
|
|
|
$source = fopen($tmpFile, 'r');
|
|
if ($source) {
|
|
$result = $this->file_put_contents($path, $source);
|
|
// $this->file_put_contents() might have already closed
|
|
// the resource, so we check it, before trying to close it
|
|
// to avoid messages in the error log.
|
|
if (is_resource($source)) {
|
|
fclose($source);
|
|
}
|
|
unlink($tmpFile);
|
|
return $result;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @param string $path
|
|
* @return mixed
|
|
* @throws \OCP\Files\InvalidPathException
|
|
*/
|
|
public function getMimeType($path) {
|
|
$this->assertPathLength($path);
|
|
return $this->basicOperation('getMimeType', $path);
|
|
}
|
|
|
|
/**
|
|
* @param string $type
|
|
* @param string $path
|
|
* @param bool $raw
|
|
* @return bool|null|string
|
|
*/
|
|
public function hash($type, $path, $raw = false) {
|
|
$postFix = (substr($path, -1, 1) === '/') ? '/' : '';
|
|
$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
|
|
if (Filesystem::isValidPath($path)) {
|
|
$path = $this->getRelativePath($absolutePath);
|
|
if ($path == null) {
|
|
return false;
|
|
}
|
|
if ($this->shouldEmitHooks($path)) {
|
|
\OC_Hook::emit(
|
|
Filesystem::CLASSNAME,
|
|
Filesystem::signal_read,
|
|
array(Filesystem::signal_param_path => $this->getHookPath($path))
|
|
);
|
|
}
|
|
list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
|
|
if ($storage) {
|
|
$result = $storage->hash($type, $internalPath, $raw);
|
|
return $result;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @return mixed
|
|
* @throws \OCP\Files\InvalidPathException
|
|
*/
|
|
public function free_space($path = '/') {
|
|
$this->assertPathLength($path);
|
|
return $this->basicOperation('free_space', $path);
|
|
}
|
|
|
|
/**
|
|
* abstraction layer for basic filesystem functions: wrapper for \OC\Files\Storage\Storage
|
|
*
|
|
* @param string $operation
|
|
* @param string $path
|
|
* @param array $hooks (optional)
|
|
* @param mixed $extraParam (optional)
|
|
* @return mixed
|
|
*
|
|
* This method takes requests for basic filesystem functions (e.g. reading & writing
|
|
* files), processes hooks and proxies, sanitises paths, and finally passes them on to
|
|
* \OC\Files\Storage\Storage for delegation to a storage backend for execution
|
|
*/
|
|
private function basicOperation($operation, $path, $hooks = array(), $extraParam = null) {
|
|
$postFix = (substr($path, -1, 1) === '/') ? '/' : '';
|
|
$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
|
|
if (Filesystem::isValidPath($path)
|
|
and !Filesystem::isFileBlacklisted($path)
|
|
) {
|
|
$path = $this->getRelativePath($absolutePath);
|
|
if ($path == null) {
|
|
return false;
|
|
}
|
|
|
|
if (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks)) {
|
|
// always a shared lock during pre-hooks so the hook can read the file
|
|
$this->lockFile($path, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
|
|
$run = $this->runHooks($hooks, $path);
|
|
list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
|
|
if ($run and $storage) {
|
|
if (in_array('write', $hooks) || in_array('delete', $hooks)) {
|
|
$this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
|
|
}
|
|
try {
|
|
if (!is_null($extraParam)) {
|
|
$result = $storage->$operation($internalPath, $extraParam);
|
|
} else {
|
|
$result = $storage->$operation($internalPath);
|
|
}
|
|
} catch (\Exception $e) {
|
|
if (in_array('write', $hooks) || in_array('delete', $hooks)) {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
|
|
} else if (in_array('read', $hooks)) {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
throw $e;
|
|
}
|
|
|
|
if (in_array('delete', $hooks) and $result) {
|
|
$this->updater->remove($path);
|
|
}
|
|
if (in_array('write', $hooks) and $operation !== 'fopen') {
|
|
$this->updater->update($path);
|
|
}
|
|
if (in_array('touch', $hooks)) {
|
|
$this->updater->update($path, $extraParam);
|
|
}
|
|
|
|
if ((in_array('write', $hooks) || in_array('delete', $hooks)) && ($operation !== 'fopen' || $result === false)) {
|
|
$this->changeLock($path, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
|
|
$unlockLater = false;
|
|
if ($this->lockingEnabled && $operation === 'fopen' && is_resource($result)) {
|
|
$unlockLater = true;
|
|
$result = CallbackWrapper::wrap($result, null, null, function () use ($hooks, $path) {
|
|
if (in_array('write', $hooks)) {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
|
|
} else if (in_array('read', $hooks)) {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
});
|
|
}
|
|
|
|
if ($this->shouldEmitHooks($path) && $result !== false) {
|
|
if ($operation != 'fopen') { //no post hooks for fopen, the file stream is still open
|
|
$this->runHooks($hooks, $path, true);
|
|
}
|
|
}
|
|
|
|
if (!$unlockLater
|
|
&& (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks))
|
|
) {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
return $result;
|
|
} else {
|
|
$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* get the path relative to the default root for hook usage
|
|
*
|
|
* @param string $path
|
|
* @return string
|
|
*/
|
|
private function getHookPath($path) {
|
|
if (!Filesystem::getView()) {
|
|
return $path;
|
|
}
|
|
return Filesystem::getView()->getRelativePath($this->getAbsolutePath($path));
|
|
}
|
|
|
|
private function shouldEmitHooks($path = '') {
|
|
if ($path && Cache\Scanner::isPartialFile($path)) {
|
|
return false;
|
|
}
|
|
if (!Filesystem::$loaded) {
|
|
return false;
|
|
}
|
|
$defaultRoot = Filesystem::getRoot();
|
|
if ($defaultRoot === null) {
|
|
return false;
|
|
}
|
|
if ($this->fakeRoot === $defaultRoot) {
|
|
return true;
|
|
}
|
|
$fullPath = $this->getAbsolutePath($path);
|
|
|
|
if ($fullPath === $defaultRoot) {
|
|
return true;
|
|
}
|
|
|
|
return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
|
|
}
|
|
|
|
/**
|
|
* @param string[] $hooks
|
|
* @param string $path
|
|
* @param bool $post
|
|
* @return bool
|
|
*/
|
|
private function runHooks($hooks, $path, $post = false) {
|
|
$relativePath = $path;
|
|
$path = $this->getHookPath($path);
|
|
$prefix = ($post) ? 'post_' : '';
|
|
$run = true;
|
|
if ($this->shouldEmitHooks($relativePath)) {
|
|
foreach ($hooks as $hook) {
|
|
if ($hook != 'read') {
|
|
\OC_Hook::emit(
|
|
Filesystem::CLASSNAME,
|
|
$prefix . $hook,
|
|
array(
|
|
Filesystem::signal_param_run => &$run,
|
|
Filesystem::signal_param_path => $path
|
|
)
|
|
);
|
|
} elseif (!$post) {
|
|
\OC_Hook::emit(
|
|
Filesystem::CLASSNAME,
|
|
$prefix . $hook,
|
|
array(
|
|
Filesystem::signal_param_path => $path
|
|
)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
return $run;
|
|
}
|
|
|
|
/**
|
|
* check if a file or folder has been updated since $time
|
|
*
|
|
* @param string $path
|
|
* @param int $time
|
|
* @return bool
|
|
*/
|
|
public function hasUpdated($path, $time) {
|
|
return $this->basicOperation('hasUpdated', $path, array(), $time);
|
|
}
|
|
|
|
/**
|
|
* get the filesystem info
|
|
*
|
|
* @param string $path
|
|
* @param boolean|string $includeMountPoints true to add mountpoint sizes,
|
|
* 'ext' to add only ext storage mount point sizes. Defaults to true.
|
|
* defaults to true
|
|
* @return \OC\Files\FileInfo|false
|
|
*/
|
|
public function getFileInfo($path, $includeMountPoints = true) {
|
|
$this->assertPathLength($path);
|
|
$data = array();
|
|
if (!Filesystem::isValidPath($path)) {
|
|
return $data;
|
|
}
|
|
if (Cache\Scanner::isPartialFile($path)) {
|
|
return $this->getPartFileInfo($path);
|
|
}
|
|
$relativePath = $path;
|
|
$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
|
|
|
|
$mount = Filesystem::getMountManager()->find($path);
|
|
$storage = $mount->getStorage();
|
|
$internalPath = $mount->getInternalPath($path);
|
|
$data = null;
|
|
if ($storage) {
|
|
$cache = $storage->getCache($internalPath);
|
|
|
|
try {
|
|
$this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
|
|
$data = $cache->get($internalPath);
|
|
$watcher = $storage->getWatcher($internalPath);
|
|
|
|
// if the file is not in the cache or needs to be updated, trigger the scanner and reload the data
|
|
if (!$data) {
|
|
if (!$storage->file_exists($internalPath)) {
|
|
$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
|
|
return false;
|
|
}
|
|
$scanner = $storage->getScanner($internalPath);
|
|
$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
|
|
$data = $cache->get($internalPath);
|
|
} else if (!Cache\Scanner::isPartialFile($internalPath) && $watcher->checkUpdate($internalPath, $data)) {
|
|
$this->updater->propagate($path);
|
|
$data = $cache->get($internalPath);
|
|
}
|
|
$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
|
|
} catch (LockedException $e) {
|
|
// dont try to update the cache when the file is locked
|
|
$data = $cache->get($internalPath);
|
|
}
|
|
|
|
if ($data and isset($data['fileid'])) {
|
|
// upgrades from oc6 or lower might not have the permissions set in the file cache
|
|
if ($data['permissions'] === 0) {
|
|
$data['permissions'] = $storage->getPermissions($data['path']);
|
|
$cache->update($data['fileid'], array('permissions' => $data['permissions']));
|
|
}
|
|
if ($includeMountPoints and $data['mimetype'] === 'httpd/unix-directory') {
|
|
//add the sizes of other mount points to the folder
|
|
$extOnly = ($includeMountPoints === 'ext');
|
|
$mountPoints = Filesystem::getMountPoints($path);
|
|
foreach ($mountPoints as $mountPoint) {
|
|
$subStorage = Filesystem::getStorage($mountPoint);
|
|
if ($subStorage) {
|
|
// exclude shared storage ?
|
|
if ($extOnly && $subStorage instanceof \OC\Files\Storage\Shared) {
|
|
continue;
|
|
}
|
|
$subCache = $subStorage->getCache('');
|
|
$rootEntry = $subCache->get('');
|
|
$data['size'] += isset($rootEntry['size']) ? $rootEntry['size'] : 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!$data) {
|
|
return false;
|
|
}
|
|
|
|
if ($mount instanceof MoveableMount && $internalPath === '') {
|
|
$data['permissions'] |= \OCP\Constants::PERMISSION_DELETE;
|
|
}
|
|
|
|
return new FileInfo($path, $storage, $internalPath, $data, $mount);
|
|
}
|
|
|
|
/**
|
|
* get the content of a directory
|
|
*
|
|
* @param string $directory path under datadirectory
|
|
* @param string $mimetype_filter limit returned content to this mimetype or mimepart
|
|
* @return FileInfo[]
|
|
*/
|
|
public function getDirectoryContent($directory, $mimetype_filter = '') {
|
|
$this->assertPathLength($directory);
|
|
$result = array();
|
|
if (!Filesystem::isValidPath($directory)) {
|
|
return $result;
|
|
}
|
|
$path = $this->getAbsolutePath($directory);
|
|
$path = Filesystem::normalizePath($path);
|
|
$mount = $this->getMount($directory);
|
|
$storage = $mount->getStorage();
|
|
$internalPath = $mount->getInternalPath($path);
|
|
if ($storage) {
|
|
$cache = $storage->getCache($internalPath);
|
|
$user = \OC_User::getUser();
|
|
|
|
/**
|
|
* @var \OC\Files\FileInfo[] $files
|
|
*/
|
|
$files = array();
|
|
|
|
try {
|
|
$this->lockFile($directory, ILockingProvider::LOCK_SHARED);
|
|
|
|
$data = $cache->get($internalPath);
|
|
$watcher = $storage->getWatcher($internalPath);
|
|
if (!$data or $data['size'] === -1) {
|
|
if (!$storage->file_exists($internalPath)) {
|
|
$this->unlockFile($directory, ILockingProvider::LOCK_SHARED);
|
|
return array();
|
|
}
|
|
$scanner = $storage->getScanner($internalPath);
|
|
$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
|
|
$data = $cache->get($internalPath);
|
|
} else if ($watcher->checkUpdate($internalPath, $data)) {
|
|
$this->updater->propagate($path);
|
|
$data = $cache->get($internalPath);
|
|
}
|
|
|
|
$folderId = $data['fileid'];
|
|
$contents = $cache->getFolderContentsById($folderId); //TODO: mimetype_filter
|
|
|
|
$this->unlockFile($directory, ILockingProvider::LOCK_SHARED);
|
|
} catch (LockedException $e) {
|
|
// dont try to update the cache when the file is locked
|
|
$contents = $cache->getFolderContents($internalPath);
|
|
}
|
|
|
|
foreach ($contents as $content) {
|
|
if ($content['permissions'] === 0) {
|
|
$content['permissions'] = $storage->getPermissions($content['path']);
|
|
$cache->update($content['fileid'], array('permissions' => $content['permissions']));
|
|
}
|
|
// if sharing was disabled for the user we remove the share permissions
|
|
if (\OCP\Util::isSharingDisabledForUser()) {
|
|
$content['permissions'] = $content['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
|
|
}
|
|
$files[] = new FileInfo($path . '/' . $content['name'], $storage, $content['path'], $content, $mount);
|
|
}
|
|
|
|
//add a folder for any mountpoint in this directory and add the sizes of other mountpoints to the folders
|
|
$mounts = Filesystem::getMountManager()->findIn($path);
|
|
$dirLength = strlen($path);
|
|
foreach ($mounts as $mount) {
|
|
$mountPoint = $mount->getMountPoint();
|
|
$subStorage = $mount->getStorage();
|
|
if ($subStorage) {
|
|
$subCache = $subStorage->getCache('');
|
|
|
|
if ($subCache->getStatus('') === Cache\Cache::NOT_FOUND) {
|
|
$subScanner = $subStorage->getScanner('');
|
|
try {
|
|
$subScanner->scanFile('');
|
|
} catch (\OCP\Files\StorageNotAvailableException $e) {
|
|
continue;
|
|
} catch (\OCP\Files\StorageInvalidException $e) {
|
|
continue;
|
|
} catch (\Exception $e) {
|
|
// sometimes when the storage is not available it can be any exception
|
|
\OCP\Util::writeLog(
|
|
'core',
|
|
'Exception while scanning storage "' . $subStorage->getId() . '": ' .
|
|
get_class($e) . ': ' . $e->getMessage(),
|
|
\OCP\Util::ERROR
|
|
);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$rootEntry = $subCache->get('');
|
|
if ($rootEntry) {
|
|
$relativePath = trim(substr($mountPoint, $dirLength), '/');
|
|
if ($pos = strpos($relativePath, '/')) {
|
|
//mountpoint inside subfolder add size to the correct folder
|
|
$entryName = substr($relativePath, 0, $pos);
|
|
foreach ($files as &$entry) {
|
|
if ($entry['name'] === $entryName) {
|
|
$entry['size'] += $rootEntry['size'];
|
|
}
|
|
}
|
|
} else { //mountpoint in this folder, add an entry for it
|
|
$rootEntry['name'] = $relativePath;
|
|
$rootEntry['type'] = $rootEntry['mimetype'] === 'httpd/unix-directory' ? 'dir' : 'file';
|
|
$permissions = $rootEntry['permissions'];
|
|
// do not allow renaming/deleting the mount point if they are not shared files/folders
|
|
// for shared files/folders we use the permissions given by the owner
|
|
if ($mount instanceof MoveableMount) {
|
|
$rootEntry['permissions'] = $permissions | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
|
|
} else {
|
|
$rootEntry['permissions'] = $permissions & (\OCP\Constants::PERMISSION_ALL - (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE));
|
|
}
|
|
|
|
//remove any existing entry with the same name
|
|
foreach ($files as $i => $file) {
|
|
if ($file['name'] === $rootEntry['name']) {
|
|
unset($files[$i]);
|
|
break;
|
|
}
|
|
}
|
|
$rootEntry['path'] = substr(Filesystem::normalizePath($path . '/' . $rootEntry['name']), strlen($user) + 2); // full path without /$user/
|
|
|
|
// if sharing was disabled for the user we remove the share permissions
|
|
if (\OCP\Util::isSharingDisabledForUser()) {
|
|
$rootEntry['permissions'] = $rootEntry['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
|
|
}
|
|
|
|
$files[] = new FileInfo($path . '/' . $rootEntry['name'], $subStorage, '', $rootEntry, $mount);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($mimetype_filter) {
|
|
foreach ($files as $file) {
|
|
if (strpos($mimetype_filter, '/')) {
|
|
if ($file['mimetype'] === $mimetype_filter) {
|
|
$result[] = $file;
|
|
}
|
|
} else {
|
|
if ($file['mimepart'] === $mimetype_filter) {
|
|
$result[] = $file;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
$result = $files;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* change file metadata
|
|
*
|
|
* @param string $path
|
|
* @param array|\OCP\Files\FileInfo $data
|
|
* @return int
|
|
*
|
|
* returns the fileid of the updated file
|
|
*/
|
|
public function putFileInfo($path, $data) {
|
|
$this->assertPathLength($path);
|
|
if ($data instanceof FileInfo) {
|
|
$data = $data->getData();
|
|
}
|
|
$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
|
|
/**
|
|
* @var \OC\Files\Storage\Storage $storage
|
|
* @var string $internalPath
|
|
*/
|
|
list($storage, $internalPath) = Filesystem::resolvePath($path);
|
|
if ($storage) {
|
|
$cache = $storage->getCache($path);
|
|
|
|
if (!$cache->inCache($internalPath)) {
|
|
$scanner = $storage->getScanner($internalPath);
|
|
$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
|
|
}
|
|
|
|
return $cache->put($internalPath, $data);
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* search for files with the name matching $query
|
|
*
|
|
* @param string $query
|
|
* @return FileInfo[]
|
|
*/
|
|
public function search($query) {
|
|
return $this->searchCommon('search', array('%' . $query . '%'));
|
|
}
|
|
|
|
/**
|
|
* search for files with the name matching $query
|
|
*
|
|
* @param string $query
|
|
* @return FileInfo[]
|
|
*/
|
|
public function searchRaw($query) {
|
|
return $this->searchCommon('search', array($query));
|
|
}
|
|
|
|
/**
|
|
* search for files by mimetype
|
|
*
|
|
* @param string $mimetype
|
|
* @return FileInfo[]
|
|
*/
|
|
public function searchByMime($mimetype) {
|
|
return $this->searchCommon('searchByMime', array($mimetype));
|
|
}
|
|
|
|
/**
|
|
* search for files by tag
|
|
*
|
|
* @param string|int $tag name or tag id
|
|
* @param string $userId owner of the tags
|
|
* @return FileInfo[]
|
|
*/
|
|
public function searchByTag($tag, $userId) {
|
|
return $this->searchCommon('searchByTag', array($tag, $userId));
|
|
}
|
|
|
|
/**
|
|
* @param string $method cache method
|
|
* @param array $args
|
|
* @return FileInfo[]
|
|
*/
|
|
private function searchCommon($method, $args) {
|
|
$files = array();
|
|
$rootLength = strlen($this->fakeRoot);
|
|
|
|
$mount = $this->getMount('');
|
|
$mountPoint = $mount->getMountPoint();
|
|
$storage = $mount->getStorage();
|
|
if ($storage) {
|
|
$cache = $storage->getCache('');
|
|
|
|
$results = call_user_func_array(array($cache, $method), $args);
|
|
foreach ($results as $result) {
|
|
if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
|
|
$internalPath = $result['path'];
|
|
$path = $mountPoint . $result['path'];
|
|
$result['path'] = substr($mountPoint . $result['path'], $rootLength);
|
|
$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount);
|
|
}
|
|
}
|
|
|
|
$mounts = Filesystem::getMountManager()->findIn($this->fakeRoot);
|
|
foreach ($mounts as $mount) {
|
|
$mountPoint = $mount->getMountPoint();
|
|
$storage = $mount->getStorage();
|
|
if ($storage) {
|
|
$cache = $storage->getCache('');
|
|
|
|
$relativeMountPoint = substr($mountPoint, $rootLength);
|
|
$results = call_user_func_array(array($cache, $method), $args);
|
|
if ($results) {
|
|
foreach ($results as $result) {
|
|
$internalPath = $result['path'];
|
|
$result['path'] = rtrim($relativeMountPoint . $result['path'], '/');
|
|
$path = rtrim($mountPoint . $internalPath, '/');
|
|
$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Get the owner for a file or folder
|
|
*
|
|
* @param string $path
|
|
* @return string
|
|
*/
|
|
public function getOwner($path) {
|
|
return $this->basicOperation('getOwner', $path);
|
|
}
|
|
|
|
/**
|
|
* get the ETag for a file or folder
|
|
*
|
|
* @param string $path
|
|
* @return string
|
|
*/
|
|
public function getETag($path) {
|
|
/**
|
|
* @var Storage\Storage $storage
|
|
* @var string $internalPath
|
|
*/
|
|
list($storage, $internalPath) = $this->resolvePath($path);
|
|
if ($storage) {
|
|
return $storage->getETag($internalPath);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the path of a file by id, relative to the view
|
|
*
|
|
* Note that the resulting path is not guarantied to be unique for the id, multiple paths can point to the same file
|
|
*
|
|
* @param int $id
|
|
* @return string|null
|
|
*/
|
|
public function getPath($id) {
|
|
$id = (int)$id;
|
|
$manager = Filesystem::getMountManager();
|
|
$mounts = $manager->findIn($this->fakeRoot);
|
|
$mounts[] = $manager->find($this->fakeRoot);
|
|
// reverse the array so we start with the storage this view is in
|
|
// which is the most likely to contain the file we're looking for
|
|
$mounts = array_reverse($mounts);
|
|
foreach ($mounts as $mount) {
|
|
/**
|
|
* @var \OC\Files\Mount\MountPoint $mount
|
|
*/
|
|
if ($mount->getStorage()) {
|
|
$cache = $mount->getStorage()->getCache();
|
|
$internalPath = $cache->getPathById($id);
|
|
if (is_string($internalPath)) {
|
|
$fullPath = $mount->getMountPoint() . $internalPath;
|
|
if (!is_null($path = $this->getRelativePath($fullPath))) {
|
|
return $path;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private function assertPathLength($path) {
|
|
$maxLen = min(PHP_MAXPATHLEN, 4000);
|
|
// Check for the string length - performed using isset() instead of strlen()
|
|
// because isset() is about 5x-40x faster.
|
|
if (isset($path[$maxLen])) {
|
|
$pathLen = strlen($path);
|
|
throw new \OCP\Files\InvalidPathException("Path length($pathLen) exceeds max path length($maxLen): $path");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* check if it is allowed to move a mount point to a given target.
|
|
* It is not allowed to move a mount point into a different mount point or
|
|
* into an already shared folder
|
|
*
|
|
* @param string $target path
|
|
* @return boolean
|
|
*/
|
|
private function isTargetAllowed($target) {
|
|
|
|
list($targetStorage, $targetInternalPath) = \OC\Files\Filesystem::resolvePath($target);
|
|
if (!$targetStorage->instanceOfStorage('\OCP\Files\IHomeStorage')) {
|
|
\OCP\Util::writeLog('files',
|
|
'It is not allowed to move one mount point into another one',
|
|
\OCP\Util::DEBUG);
|
|
return false;
|
|
}
|
|
|
|
// note: cannot use the view because the target is already locked
|
|
$fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);
|
|
if ($fileId === -1) {
|
|
// target might not exist, need to check parent instead
|
|
$fileId = (int)$targetStorage->getCache()->getId(dirname($targetInternalPath));
|
|
}
|
|
|
|
// check if any of the parents were shared by the current owner (include collections)
|
|
$shares = \OCP\Share::getItemShared(
|
|
'folder',
|
|
$fileId,
|
|
\OCP\Share::FORMAT_NONE,
|
|
null,
|
|
true
|
|
);
|
|
|
|
if (count($shares) > 0) {
|
|
\OCP\Util::writeLog('files',
|
|
'It is not allowed to move one mount point into a shared folder',
|
|
\OCP\Util::DEBUG);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get a fileinfo object for files that are ignored in the cache (part files)
|
|
*
|
|
* @param string $path
|
|
* @return \OCP\Files\FileInfo
|
|
*/
|
|
private function getPartFileInfo($path) {
|
|
$mount = $this->getMount($path);
|
|
$storage = $mount->getStorage();
|
|
$internalPath = $mount->getInternalPath($this->getAbsolutePath($path));
|
|
return new FileInfo(
|
|
$this->getAbsolutePath($path),
|
|
$storage,
|
|
$internalPath,
|
|
[
|
|
'fileid' => null,
|
|
'mimetype' => $storage->getMimeType($internalPath),
|
|
'name' => basename($path),
|
|
'etag' => null,
|
|
'size' => $storage->filesize($internalPath),
|
|
'mtime' => $storage->filemtime($internalPath),
|
|
'encrypted' => false,
|
|
'permissions' => \OCP\Constants::PERMISSION_ALL
|
|
],
|
|
$mount
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @return Updater
|
|
*/
|
|
public function getUpdater() {
|
|
return $this->updater;
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @param string $fileName
|
|
* @throws InvalidPathException
|
|
*/
|
|
public function verifyPath($path, $fileName) {
|
|
|
|
$l10n = \OC::$server->getL10N('lib');
|
|
|
|
// verify empty and dot files
|
|
$trimmed = trim($fileName);
|
|
if ($trimmed === '') {
|
|
throw new InvalidPathException($l10n->t('Empty filename is not allowed'));
|
|
}
|
|
if (\OC\Files\Filesystem::isIgnoredDir($trimmed)) {
|
|
throw new InvalidPathException($l10n->t('Dot files are not allowed'));
|
|
}
|
|
|
|
// verify database - e.g. mysql only 3-byte chars
|
|
if (preg_match('%(?:
|
|
\xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
|
|
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
|
|
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
|
|
)%xs', $fileName)) {
|
|
throw new InvalidPathException($l10n->t('4-byte characters are not supported in file names'));
|
|
}
|
|
|
|
try {
|
|
/** @type \OCP\Files\Storage $storage */
|
|
list($storage, $internalPath) = $this->resolvePath($path);
|
|
$storage->verifyPath($internalPath, $fileName);
|
|
} catch (ReservedWordException $ex) {
|
|
throw new InvalidPathException($l10n->t('File name is a reserved word'));
|
|
} catch (InvalidCharacterInPathException $ex) {
|
|
throw new InvalidPathException($l10n->t('File name contains at least one invalid character'));
|
|
} catch (FileNameTooLongException $ex) {
|
|
throw new InvalidPathException($l10n->t('File name is too long'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get all parent folders of $path
|
|
*
|
|
* @param string $path
|
|
* @return string[]
|
|
*/
|
|
private function getParents($path) {
|
|
$path = trim($path, '/');
|
|
if (!$path) {
|
|
return [];
|
|
}
|
|
|
|
$parts = explode('/', $path);
|
|
|
|
// remove the single file
|
|
array_pop($parts);
|
|
$result = array('/');
|
|
$resultPath = '';
|
|
foreach ($parts as $part) {
|
|
if ($part) {
|
|
$resultPath .= '/' . $part;
|
|
$result[] = $resultPath;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Returns the mount point for which to lock
|
|
*
|
|
* @param string $absolutePath absolute path
|
|
* @param bool $useParentMount true to return parent mount instead of whatever
|
|
* is mounted directly on the given path, false otherwise
|
|
* @return \OC\Files\Mount\MountPoint mount point for which to apply locks
|
|
*/
|
|
private function getMountForLock($absolutePath, $useParentMount = false) {
|
|
$results = [];
|
|
$mount = Filesystem::getMountManager()->find($absolutePath);
|
|
if (!$mount) {
|
|
return $results;
|
|
}
|
|
|
|
if ($useParentMount) {
|
|
// find out if something is mounted directly on the path
|
|
$internalPath = $mount->getInternalPath($absolutePath);
|
|
if ($internalPath === '') {
|
|
// resolve the parent mount instead
|
|
$mount = Filesystem::getMountManager()->find(dirname($absolutePath));
|
|
}
|
|
}
|
|
|
|
return $mount;
|
|
}
|
|
|
|
/**
|
|
* Lock the given path
|
|
*
|
|
* @param string $path the path of the file to lock, relative to the view
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
* @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
|
|
*
|
|
* @return bool False if the path is excluded from locking, true otherwise
|
|
* @throws \OCP\Lock\LockedException if the path is already locked
|
|
*/
|
|
private function lockPath($path, $type, $lockMountPoint = false) {
|
|
$absolutePath = $this->getAbsolutePath($path);
|
|
$absolutePath = Filesystem::normalizePath($absolutePath);
|
|
if (!$this->shouldLockFile($absolutePath)) {
|
|
return false;
|
|
}
|
|
|
|
$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
|
|
if ($mount) {
|
|
try {
|
|
$mount->getStorage()->acquireLock(
|
|
$mount->getInternalPath($absolutePath),
|
|
$type,
|
|
$this->lockingProvider
|
|
);
|
|
} catch (\OCP\Lock\LockedException $e) {
|
|
// rethrow with the a human-readable path
|
|
throw new \OCP\Lock\LockedException(
|
|
$this->getPathRelativeToFiles($absolutePath),
|
|
$e
|
|
);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Change the lock type
|
|
*
|
|
* @param string $path the path of the file to lock, relative to the view
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
* @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
|
|
*
|
|
* @return bool False if the path is excluded from locking, true otherwise
|
|
* @throws \OCP\Lock\LockedException if the path is already locked
|
|
*/
|
|
public function changeLock($path, $type, $lockMountPoint = false) {
|
|
$path = Filesystem::normalizePath($path);
|
|
$absolutePath = $this->getAbsolutePath($path);
|
|
$absolutePath = Filesystem::normalizePath($absolutePath);
|
|
if (!$this->shouldLockFile($absolutePath)) {
|
|
return false;
|
|
}
|
|
|
|
$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
|
|
if ($mount) {
|
|
try {
|
|
$mount->getStorage()->changeLock(
|
|
$mount->getInternalPath($absolutePath),
|
|
$type,
|
|
$this->lockingProvider
|
|
);
|
|
} catch (\OCP\Lock\LockedException $e) {
|
|
// rethrow with the a human-readable path
|
|
throw new \OCP\Lock\LockedException(
|
|
$this->getPathRelativeToFiles($absolutePath),
|
|
$e
|
|
);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Unlock the given path
|
|
*
|
|
* @param string $path the path of the file to unlock, relative to the view
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
* @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
|
|
*
|
|
* @return bool False if the path is excluded from locking, true otherwise
|
|
*/
|
|
private function unlockPath($path, $type, $lockMountPoint = false) {
|
|
$absolutePath = $this->getAbsolutePath($path);
|
|
$absolutePath = Filesystem::normalizePath($absolutePath);
|
|
if (!$this->shouldLockFile($absolutePath)) {
|
|
return false;
|
|
}
|
|
|
|
$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
|
|
if ($mount) {
|
|
$mount->getStorage()->releaseLock(
|
|
$mount->getInternalPath($absolutePath),
|
|
$type,
|
|
$this->lockingProvider
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Lock a path and all its parents up to the root of the view
|
|
*
|
|
* @param string $path the path of the file to lock relative to the view
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
* @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
|
|
*
|
|
* @return bool False if the path is excluded from locking, true otherwise
|
|
*/
|
|
public function lockFile($path, $type, $lockMountPoint = false) {
|
|
$absolutePath = $this->getAbsolutePath($path);
|
|
$absolutePath = Filesystem::normalizePath($absolutePath);
|
|
if (!$this->shouldLockFile($absolutePath)) {
|
|
return false;
|
|
}
|
|
|
|
$this->lockPath($path, $type, $lockMountPoint);
|
|
|
|
$parents = $this->getParents($path);
|
|
foreach ($parents as $parent) {
|
|
$this->lockPath($parent, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Unlock a path and all its parents up to the root of the view
|
|
*
|
|
* @param string $path the path of the file to lock relative to the view
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
* @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
|
|
*
|
|
* @return bool False if the path is excluded from locking, true otherwise
|
|
*/
|
|
public function unlockFile($path, $type, $lockMountPoint = false) {
|
|
$absolutePath = $this->getAbsolutePath($path);
|
|
$absolutePath = Filesystem::normalizePath($absolutePath);
|
|
if (!$this->shouldLockFile($absolutePath)) {
|
|
return false;
|
|
}
|
|
|
|
$this->unlockPath($path, $type, $lockMountPoint);
|
|
|
|
$parents = $this->getParents($path);
|
|
foreach ($parents as $parent) {
|
|
$this->unlockPath($parent, ILockingProvider::LOCK_SHARED);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Only lock files in data/user/files/
|
|
*
|
|
* @param string $path Absolute path to the file/folder we try to (un)lock
|
|
* @return bool
|
|
*/
|
|
protected function shouldLockFile($path) {
|
|
$path = Filesystem::normalizePath($path);
|
|
|
|
$pathSegments = explode('/', $path);
|
|
if (isset($pathSegments[2])) {
|
|
// E.g.: /username/files/path-to-file
|
|
return $pathSegments[2] === 'files';
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Shortens the given absolute path to be relative to
|
|
* "$user/files".
|
|
*
|
|
* @param string $absolutePath absolute path which is under "files"
|
|
*
|
|
* @return string path relative to "files" with trimmed slashes or null
|
|
* if the path was NOT relative to files
|
|
*
|
|
* @throws \InvalidArgumentException if the given path was not under "files"
|
|
* @since 8.1.0
|
|
*/
|
|
public function getPathRelativeToFiles($absolutePath) {
|
|
$path = Filesystem::normalizePath($absolutePath);
|
|
$parts = explode('/', trim($path, '/'), 3);
|
|
// "$user", "files", "path/to/dir"
|
|
if (!isset($parts[1]) || $parts[1] !== 'files') {
|
|
throw new \InvalidArgumentException('$absolutePath must be relative to "files"');
|
|
}
|
|
if (isset($parts[2])) {
|
|
return $parts[2];
|
|
}
|
|
return '';
|
|
}
|
|
}
|