/lib/files/mount/mount.php
PHP | 141 lines | 116 code | 6 blank | 19 comment | 6 complexity | b09672cefd2193cfc6a4211d8d3600e2 MD5 | raw file
Possible License(s): AGPL-3.0, AGPL-1.0, MPL-2.0-no-copyleft-exception
- <?php
- /**
- * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
- * This file is licensed under the Affero General Public License version 3 or
- * later.
- * See the COPYING-README file.
- */
- namespace OC\Files\Mount;
- use \OC\Files\Filesystem;
- use OC\Files\Storage\Loader;
- use OC\Files\Storage\Storage;
- class Mount {
- /**
- * @var \OC\Files\Storage\Storage $storage
- */
- private $storage = null;
- private $class;
- private $storageId;
- private $arguments = array();
- private $mountPoint;
- /**
- * @var \OC\Files\Storage\Loader $loader
- */
- private $loader;
- /**
- * @param string | \OC\Files\Storage\Storage $storage
- * @param string $mountpoint
- * @param array $arguments (optional)\
- * @param \OC\Files\Storage\Loader $loader
- */
- public function __construct($storage, $mountpoint, $arguments = null, $loader = null) {
- if (is_null($arguments)) {
- $arguments = array();
- }
- if (is_null($loader)) {
- $this->loader = new Loader();
- } else {
- $this->loader = $loader;
- }
- $mountpoint = $this->formatPath($mountpoint);
- if ($storage instanceof Storage) {
- $this->class = get_class($storage);
- $this->storage = $this->loader->wrap($mountpoint, $storage);
- } else {
- // Update old classes to new namespace
- if (strpos($storage, 'OC_Filestorage_') !== false) {
- $storage = '\OC\Files\Storage\\' . substr($storage, 15);
- }
- $this->class = $storage;
- $this->arguments = $arguments;
- }
- $this->mountPoint = $mountpoint;
- }
- /**
- * @return string
- */
- public function getMountPoint() {
- return $this->mountPoint;
- }
- /**
- * create the storage that is mounted
- *
- * @return \OC\Files\Storage\Storage
- */
- private function createStorage() {
- if (class_exists($this->class)) {
- try {
- return $this->loader->load($this->mountPoint, $this->class, $this->arguments);
- } catch (\Exception $exception) {
- \OC_Log::write('core', $exception->getMessage(), \OC_Log::ERROR);
- return null;
- }
- } else {
- \OC_Log::write('core', 'storage backend ' . $this->class . ' not found', \OC_Log::ERROR);
- return null;
- }
- }
- /**
- * @return \OC\Files\Storage\Storage
- */
- public function getStorage() {
- if (is_null($this->storage)) {
- $this->storage = $this->createStorage();
- }
- return $this->storage;
- }
- /**
- * @return string
- */
- public function getStorageId() {
- if (!$this->storageId) {
- if (is_null($this->storage)) {
- $storage = $this->createStorage(); //FIXME: start using exceptions
- if (is_null($storage)) {
- return null;
- }
- $this->storage = $storage;
- }
- $this->storageId = $this->storage->getId();
- if (strlen($this->storageId) > 64) {
- $this->storageId = md5($this->storageId);
- }
- }
- return $this->storageId;
- }
- /**
- * @param string $path
- * @return string
- */
- public function getInternalPath($path) {
- if ($this->mountPoint === $path or $this->mountPoint . '/' === $path) {
- $internalPath = '';
- } else {
- $internalPath = substr($path, strlen($this->mountPoint));
- }
- return $internalPath;
- }
- /**
- * @param string $path
- * @return string
- */
- private function formatPath($path) {
- $path = Filesystem::normalizePath($path);
- if (strlen($path) > 1) {
- $path .= '/';
- }
- return $path;
- }
- }