640 lines
16 KiB
PHP
640 lines
16 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 Joas Schilling <coding@schilljs.com>
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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 Robin McCorkell <robin@mccorkell.me.uk>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@owncloud.com>
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* @author Vinicius Cubas Brand <vinicius@eita.org.br>
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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 OCP\Files\InvalidPathException;
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use OCP\Files\Storage\ILockingStorage;
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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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class Wrapper implements \OC\Files\Storage\Storage, ILockingStorage, IWriteStreamStorage {
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/**
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* @var \OC\Files\Storage\Storage $storage
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*/
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protected $storage;
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public $cache;
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public $scanner;
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public $watcher;
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public $propagator;
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public $updater;
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/**
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* @param array $parameters
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*/
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public function __construct($parameters) {
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$this->storage = $parameters['storage'];
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}
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/**
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* @return \OC\Files\Storage\Storage
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*/
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public function getWrapperStorage() {
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return $this->storage;
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}
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/**
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* Get the identifier for the storage,
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* the returned id should be the same for every storage object that is created with the same parameters
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* and two storage objects with the same id should refer to two storages that display the same files.
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*
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* @return string
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*/
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public function getId() {
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return $this->getWrapperStorage()->getId();
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}
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/**
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* see http://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 $this->getWrapperStorage()->mkdir($path);
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}
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/**
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* see http://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 $this->getWrapperStorage()->rmdir($path);
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}
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/**
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* see http://php.net/manual/en/function.opendir.php
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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 $this->getWrapperStorage()->opendir($path);
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}
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/**
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* see http://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 $this->getWrapperStorage()->is_dir($path);
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}
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/**
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* see http://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 $this->getWrapperStorage()->is_file($path);
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}
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/**
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* see http://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 $path
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* @return array
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*/
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public function stat($path) {
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return $this->getWrapperStorage()->stat($path);
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}
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/**
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* see http://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 $this->getWrapperStorage()->filetype($path);
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}
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/**
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* see http://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 $path
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* @return int
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*/
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public function filesize($path) {
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return $this->getWrapperStorage()->filesize($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 $this->getWrapperStorage()->isCreatable($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 $this->getWrapperStorage()->isReadable($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 $this->getWrapperStorage()->isUpdatable($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 $this->getWrapperStorage()->isDeletable($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 $this->getWrapperStorage()->isSharable($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 $this->getWrapperStorage()->getPermissions($path);
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}
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/**
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* see http://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 $this->getWrapperStorage()->file_exists($path);
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}
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/**
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* see http://php.net/manual/en/function.filemtime.php
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*
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* @param string $path
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* @return int
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*/
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public function filemtime($path) {
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return $this->getWrapperStorage()->filemtime($path);
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}
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/**
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* see http://php.net/manual/en/function.file_get_contents.php
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*
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* @param string $path
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* @return string
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*/
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public function file_get_contents($path) {
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return $this->getWrapperStorage()->file_get_contents($path);
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}
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/**
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* see http://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 string $data
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* @return bool
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*/
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public function file_put_contents($path, $data) {
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return $this->getWrapperStorage()->file_put_contents($path, $data);
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}
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/**
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* see http://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 $this->getWrapperStorage()->unlink($path);
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}
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/**
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* see http://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 $this->getWrapperStorage()->rename($path1, $path2);
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}
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/**
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* see http://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 $this->getWrapperStorage()->copy($path1, $path2);
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}
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/**
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* see http://php.net/manual/en/function.fopen.php
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*
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* @param string $path
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* @param string $mode
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* @return resource
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*/
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public function fopen($path, $mode) {
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return $this->getWrapperStorage()->fopen($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 $path
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* @return string
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*/
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public function getMimeType($path) {
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return $this->getWrapperStorage()->getMimeType($path);
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}
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/**
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* see http://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 $raw
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* @return string
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*/
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public function hash($type, $path, $raw = false) {
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return $this->getWrapperStorage()->hash($type, $path, $raw);
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}
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/**
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* see http://php.net/manual/en/function.free_space.php
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*
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* @param string $path
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* @return int
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*/
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public function free_space($path) {
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return $this->getWrapperStorage()->free_space($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 $query
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* @return array
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*/
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public function search($query) {
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return $this->getWrapperStorage()->search($query);
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}
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/**
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* see http://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 $this->getWrapperStorage()->touch($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 $path
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* @return string
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*/
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public function getLocalFile($path) {
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return $this->getWrapperStorage()->getLocalFile($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 $this->getWrapperStorage()->hasUpdated($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;
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}
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return $this->getWrapperStorage()->getCache($path, $storage);
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}
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/**
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* get a scanner instance for the storage
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*
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* @param string $path
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* @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
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* @return \OC\Files\Cache\Scanner
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*/
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public function getScanner($path = '', $storage = null) {
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if (!$storage) {
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$storage = $this;
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}
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return $this->getWrapperStorage()->getScanner($path, $storage);
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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 $this->getWrapperStorage()->getOwner($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 $this->getWrapperStorage()->getWatcher($path, $storage);
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}
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public function getPropagator($storage = null) {
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if (!$storage) {
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$storage = $this;
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}
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return $this->getWrapperStorage()->getPropagator($storage);
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}
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public function getUpdater($storage = null) {
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if (!$storage) {
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$storage = $this;
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}
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return $this->getWrapperStorage()->getUpdater($storage);
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}
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/**
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* @return \OC\Files\Cache\Storage
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*/
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public function getStorageCache() {
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return $this->getWrapperStorage()->getStorageCache();
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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 $path
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* @return string
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*/
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public function getETag($path) {
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return $this->getWrapperStorage()->getETag($path);
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}
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/**
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* Returns true
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*
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* @return true
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*/
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public function test() {
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return $this->getWrapperStorage()->test();
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}
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/**
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* Returns the wrapped storage's value for isLocal()
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*
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* @return bool wrapped storage's isLocal() value
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*/
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public function isLocal() {
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return $this->getWrapperStorage()->isLocal();
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}
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/**
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* Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class
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*
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* @param string $class
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* @return bool
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*/
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public function instanceOfStorage($class) {
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if (ltrim($class, '\\') === 'OC\Files\Storage\Shared') {
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// FIXME Temporary fix to keep existing checks working
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$class = '\OCA\Files_Sharing\SharedStorage';
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}
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return is_a($this, $class) or $this->getWrapperStorage()->instanceOfStorage($class);
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}
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/**
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* Pass any methods custom to specific storage implementations to the wrapped storage
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*
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* @param string $method
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* @param array $args
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* @return mixed
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*/
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public function __call($method, $args) {
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return call_user_func_array(array($this->getWrapperStorage(), $method), $args);
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}
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/**
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* A custom storage implementation can return an url for direct download of a give file.
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*
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* For now the returned array can hold the parameter url - in future more attributes might follow.
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*
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* @param string $path
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* @return array
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*/
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public function getDirectDownload($path) {
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return $this->getWrapperStorage()->getDirectDownload($path);
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}
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/**
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* Get availability of the storage
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*
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* @return array [ available, last_checked ]
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*/
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public function getAvailability() {
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return $this->getWrapperStorage()->getAvailability();
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}
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/**
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* Set availability of the storage
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*
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* @param bool $isAvailable
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*/
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public function setAvailability($isAvailable) {
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$this->getWrapperStorage()->setAvailability($isAvailable);
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}
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/**
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* @param string $path the path of the target folder
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* @param string $fileName the name of the file itself
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* @return void
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* @throws InvalidPathException
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*/
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public function verifyPath($path, $fileName) {
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$this->getWrapperStorage()->verifyPath($path, $fileName);
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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, $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, $targetInternalPath);
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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 $this->getWrapperStorage()->getMetaData($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 $provider
|
|
* @throws \OCP\Lock\LockedException
|
|
*/
|
|
public function acquireLock($path, $type, ILockingProvider $provider) {
|
|
if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
|
|
$this->getWrapperStorage()->acquireLock($path, $type, $provider);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
* @param \OCP\Lock\ILockingProvider $provider
|
|
*/
|
|
public function releaseLock($path, $type, ILockingProvider $provider) {
|
|
if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
|
|
$this->getWrapperStorage()->releaseLock($path, $type, $provider);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
|
|
* @param \OCP\Lock\ILockingProvider $provider
|
|
*/
|
|
public function changeLock($path, $type, ILockingProvider $provider) {
|
|
if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
|
|
$this->getWrapperStorage()->changeLock($path, $type, $provider);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function needsPartFile() {
|
|
return $this->getWrapperStorage()->needsPartFile();
|
|
}
|
|
|
|
public function writeStream(string $path, $stream, int $size = null): int {
|
|
$storage = $this->getWrapperStorage();
|
|
if ($storage->instanceOfStorage(IWriteStreamStorage::class)) {
|
|
/** @var IWriteStreamStorage $storage */
|
|
return $storage->writeStream($path, $stream, $size);
|
|
} else {
|
|
$target = $this->fopen($path, 'w');
|
|
list($count, $result) = \OC_Helper::streamCopy($stream, $target);
|
|
fclose($stream);
|
|
fclose($target);
|
|
return $count;
|
|
}
|
|
}
|
|
}
|