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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Joas Schilling <coding@schilljs.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
* @author Vinicius Cubas Brand <vinicius@eita.org.br>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Files\Storage\Wrapper;
use OCP\Files\InvalidPathException;
use OCP\Files\Storage\ILockingStorage;
use OCP\Files\Storage\IStorage;
use OCP\Lock\ILockingProvider;
class Wrapper implements \OC\Files\Storage\Storage, ILockingStorage {
/**
* @var \OC\Files\Storage\Storage $storage
*/
protected $storage;
public $cache;
public $scanner;
public $watcher;
public $propagator;
public $updater;
/**
* @param array $parameters
*/
public function __construct($parameters) {
$this->storage = $parameters['storage'];
}
/**
* @return \OC\Files\Storage\Storage
*/
public function getWrapperStorage() {
return $this->storage;
}
/**
* Get the identifier for the storage,
* the returned id should be the same for every storage object that is created with the same parameters
* and two storage objects with the same id should refer to two storages that display the same files.
*
* @return string
*/
public function getId() {
return $this->getWrapperStorage()->getId();
}
/**
* see http://php.net/manual/en/function.mkdir.php
*
* @param string $path
* @return bool
*/
public function mkdir($path) {
return $this->getWrapperStorage()->mkdir($path);
}
/**
* see http://php.net/manual/en/function.rmdir.php
*
* @param string $path
* @return bool
*/
public function rmdir($path) {
return $this->getWrapperStorage()->rmdir($path);
}
/**
* see http://php.net/manual/en/function.opendir.php
*
* @param string $path
* @return resource
*/
public function opendir($path) {
return $this->getWrapperStorage()->opendir($path);
}
/**
* see http://php.net/manual/en/function.is_dir.php
*
* @param string $path
* @return bool
*/
public function is_dir($path) {
return $this->getWrapperStorage()->is_dir($path);
}
/**
* see http://php.net/manual/en/function.is_file.php
*
* @param string $path
* @return bool
*/
public function is_file($path) {
return $this->getWrapperStorage()->is_file($path);
}
/**
* see http://php.net/manual/en/function.stat.php
* only the following keys are required in the result: size and mtime
*
* @param string $path
* @return array
*/
public function stat($path) {
return $this->getWrapperStorage()->stat($path);
}
/**
* see http://php.net/manual/en/function.filetype.php
*
* @param string $path
* @return bool
*/
public function filetype($path) {
return $this->getWrapperStorage()->filetype($path);
}
/**
* see http://php.net/manual/en/function.filesize.php
* The result for filesize when called on a folder is required to be 0
*
* @param string $path
* @return int
*/
public function filesize($path) {
return $this->getWrapperStorage()->filesize($path);
}
/**
* check if a file can be created in $path
*
* @param string $path
* @return bool
*/
public function isCreatable($path) {
return $this->getWrapperStorage()->isCreatable($path);
}
/**
* check if a file can be read
*
* @param string $path
* @return bool
*/
public function isReadable($path) {
return $this->getWrapperStorage()->isReadable($path);
}
/**
* check if a file can be written to
*
* @param string $path
* @return bool
*/
public function isUpdatable($path) {
return $this->getWrapperStorage()->isUpdatable($path);
}
/**
* check if a file can be deleted
*
* @param string $path
* @return bool
*/
public function isDeletable($path) {
return $this->getWrapperStorage()->isDeletable($path);
}
/**
* check if a file can be shared
*
* @param string $path
* @return bool
*/
public function isSharable($path) {
return $this->getWrapperStorage()->isSharable($path);
}
/**
* get the full permissions of a path.
* Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
*
* @param string $path
* @return int
*/
public function getPermissions($path) {
return $this->getWrapperStorage()->getPermissions($path);
}
/**
* see http://php.net/manual/en/function.file_exists.php
*
* @param string $path
* @return bool
*/
public function file_exists($path) {
return $this->getWrapperStorage()->file_exists($path);
}
/**
* see http://php.net/manual/en/function.filemtime.php
*
* @param string $path
* @return int
*/
public function filemtime($path) {
return $this->getWrapperStorage()->filemtime($path);
}
/**
* see http://php.net/manual/en/function.file_get_contents.php
*
* @param string $path
* @return string
*/
public function file_get_contents($path) {
return $this->getWrapperStorage()->file_get_contents($path);
}
/**
* see http://php.net/manual/en/function.file_put_contents.php
*
* @param string $path
* @param string $data
* @return bool
*/
public function file_put_contents($path, $data) {
return $this->getWrapperStorage()->file_put_contents($path, $data);
}
/**
* see http://php.net/manual/en/function.unlink.php
*
* @param string $path
* @return bool
*/
public function unlink($path) {
return $this->getWrapperStorage()->unlink($path);
}
/**
* see http://php.net/manual/en/function.rename.php
*
* @param string $path1
* @param string $path2
* @return bool
*/
public function rename($path1, $path2) {
return $this->getWrapperStorage()->rename($path1, $path2);
}
/**
* see http://php.net/manual/en/function.copy.php
*
* @param string $path1
* @param string $path2
* @return bool
*/
public function copy($path1, $path2) {
return $this->getWrapperStorage()->copy($path1, $path2);
}
/**
* see http://php.net/manual/en/function.fopen.php
*
* @param string $path
* @param string $mode
* @return resource
*/
public function fopen($path, $mode) {
return $this->getWrapperStorage()->fopen($path, $mode);
}
/**
* get the mimetype for a file or folder
* The mimetype for a folder is required to be "httpd/unix-directory"
*
* @param string $path
* @return string
*/
public function getMimeType($path) {
return $this->getWrapperStorage()->getMimeType($path);
}
/**
* see http://php.net/manual/en/function.hash.php
*
* @param string $type
* @param string $path
* @param bool $raw
* @return string
*/
public function hash($type, $path, $raw = false) {
return $this->getWrapperStorage()->hash($type, $path, $raw);
}
/**
* see http://php.net/manual/en/function.free_space.php
*
* @param string $path
* @return int
*/
public function free_space($path) {
return $this->getWrapperStorage()->free_space($path);
}
/**
* search for occurrences of $query in file names
*
* @param string $query
* @return array
*/
public function search($query) {
return $this->getWrapperStorage()->search($query);
}
/**
* see http://php.net/manual/en/function.touch.php
* If the backend does not support the operation, false should be returned
*
* @param string $path
* @param int $mtime
* @return bool
*/
public function touch($path, $mtime = null) {
return $this->getWrapperStorage()->touch($path, $mtime);
}
/**
* get the path to a local version of the file.
* The local version of the file can be temporary and doesn't have to be persistent across requests
*
* @param string $path
* @return string
*/
public function getLocalFile($path) {
return $this->getWrapperStorage()->getLocalFile($path);
}
/**
* check if a file or folder has been updated since $time
*
* @param string $path
* @param int $time
* @return bool
*
* hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
* returning true for other changes in the folder is optional
*/
public function hasUpdated($path, $time) {
return $this->getWrapperStorage()->hasUpdated($path, $time);
}
/**
* get a cache instance for the storage
*
* @param string $path
* @param \OC\Files\Storage\Storage (optional) the storage to pass to the cache
* @return \OC\Files\Cache\Cache
*/
public function getCache($path = '', $storage = null) {
if (!$storage) {
$storage = $this;
}
return $this->getWrapperStorage()->getCache($path, $storage);
}
/**
* get a scanner instance for the storage
*
* @param string $path
* @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
* @return \OC\Files\Cache\Scanner
*/
public function getScanner($path = '', $storage = null) {
if (!$storage) {
$storage = $this;
}
return $this->getWrapperStorage()->getScanner($path, $storage);
}
/**
* get the user id of the owner of a file or folder
*
* @param string $path
* @return string
*/
public function getOwner($path) {
return $this->getWrapperStorage()->getOwner($path);
}
/**
* get a watcher instance for the cache
*
* @param string $path
* @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
* @return \OC\Files\Cache\Watcher
*/
public function getWatcher($path = '', $storage = null) {
if (!$storage) {
$storage = $this;
}
return $this->getWrapperStorage()->getWatcher($path, $storage);
}
public function getPropagator($storage = null) {
if (!$storage) {
$storage = $this;
}
return $this->getWrapperStorage()->getPropagator($storage);
}
public function getUpdater($storage = null) {
if (!$storage) {
$storage = $this;
}
return $this->getWrapperStorage()->getUpdater($storage);
}
/**
* @return \OC\Files\Cache\Storage
*/
public function getStorageCache() {
return $this->getWrapperStorage()->getStorageCache();
}
/**
* get the ETag for a file or folder
*
* @param string $path
* @return string
*/
public function getETag($path) {
return $this->getWrapperStorage()->getETag($path);
}
/**
* Returns true
*
* @return true
*/
public function test() {
return $this->getWrapperStorage()->test();
}
/**
* Returns the wrapped storage's value for isLocal()
*
* @return bool wrapped storage's isLocal() value
*/
public function isLocal() {
return $this->getWrapperStorage()->isLocal();
}
/**
* Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class
*
* @param string $class
* @return bool
*/
public function instanceOfStorage($class) {
if (ltrim($class, '\\') === 'OC\Files\Storage\Shared') {
// FIXME Temporary fix to keep existing checks working
$class = '\OCA\Files_Sharing\SharedStorage';
}
return is_a($this, $class) or $this->getWrapperStorage()->instanceOfStorage($class);
}
/**
* Pass any methods custom to specific storage implementations to the wrapped storage
*
* @param string $method
* @param array $args
* @return mixed
*/
public function __call($method, $args) {
return call_user_func_array(array($this->getWrapperStorage(), $method), $args);
}
/**
* A custom storage implementation can return an url for direct download of a give file.
*
* For now the returned array can hold the parameter url - in future more attributes might follow.
*
* @param string $path
* @return array
*/
public function getDirectDownload($path) {
return $this->getWrapperStorage()->getDirectDownload($path);
}
/**
* Get availability of the storage
*
* @return array [ available, last_checked ]
*/
public function getAvailability() {
return $this->getWrapperStorage()->getAvailability();
}
/**
* Set availability of the storage
*
* @param bool $isAvailable
*/
public function setAvailability($isAvailable) {
$this->getWrapperStorage()->setAvailability($isAvailable);
}
/**
* @param string $path the path of the target folder
* @param string $fileName the name of the file itself
* @return void
* @throws InvalidPathException
*/
public function verifyPath($path, $fileName) {
$this->getWrapperStorage()->verifyPath($path, $fileName);
}
/**
* @param IStorage $sourceStorage
* @param string $sourceInternalPath
* @param string $targetInternalPath
* @return bool
*/
public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
if ($sourceStorage === $this) {
return $this->copy($sourceInternalPath, $targetInternalPath);
}
return $this->getWrapperStorage()->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
}
/**
* @param IStorage $sourceStorage
* @param string $sourceInternalPath
* @param string $targetInternalPath
* @return bool
*/
public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
if ($sourceStorage === $this) {
return $this->rename($sourceInternalPath, $targetInternalPath);
}
return $this->getWrapperStorage()->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
}
/**
* @param string $path
* @return array
*/
public function getMetaData($path) {
return $this->getWrapperStorage()->getMetaData($path);
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @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();
}
}