mirror of
https://github.com/nextcloud/server.git
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391 lines
8.4 KiB
PHP
391 lines
8.4 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 Roeland Jago Douma <roeland@famdouma.nl>
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* @author tbartenstein <tbartenstein@users.noreply.github.com>
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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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*
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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 OCP\Files\Cache\ICacheEntry;
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use OCP\Files\Mount\IMountPoint;
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use OCP\Files\Storage\IStorage;
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use OCP\Files\IHomeStorage;
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use OCP\IUser;
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class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
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/**
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* @var array $data
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*/
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private $data;
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/**
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* @var string $path
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*/
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private $path;
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/**
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* @var \OC\Files\Storage\Storage $storage
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*/
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private $storage;
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/**
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* @var string $internalPath
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*/
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private $internalPath;
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/**
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* @var \OCP\Files\Mount\IMountPoint
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*/
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private $mount;
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/**
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* @var IUser
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*/
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private $owner;
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/**
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* @var string[]
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*/
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private $childEtags = [];
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/**
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* @var IMountPoint[]
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*/
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private $subMounts = [];
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private $subMountsUsed = false;
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/**
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* @param string|boolean $path
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* @param Storage\Storage $storage
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* @param string $internalPath
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* @param array|ICacheEntry $data
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* @param \OCP\Files\Mount\IMountPoint $mount
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* @param \OCP\IUser|null $owner
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*/
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public function __construct($path, $storage, $internalPath, $data, $mount, $owner= null) {
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$this->path = $path;
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$this->storage = $storage;
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$this->internalPath = $internalPath;
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$this->data = $data;
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$this->mount = $mount;
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$this->owner = $owner;
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}
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public function offsetSet($offset, $value) {
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$this->data[$offset] = $value;
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}
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public function offsetExists($offset) {
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return isset($this->data[$offset]);
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}
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public function offsetUnset($offset) {
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unset($this->data[$offset]);
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}
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public function offsetGet($offset) {
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if ($offset === 'type') {
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return $this->getType();
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} else if ($offset === 'etag') {
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return $this->getEtag();
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} else if ($offset === 'size') {
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return $this->getSize();
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} else if ($offset === 'mtime') {
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return $this->getMTime();
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} elseif ($offset === 'permissions') {
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return $this->getPermissions();
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} elseif (isset($this->data[$offset])) {
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return $this->data[$offset];
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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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* @return string
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*/
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public function getPath() {
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return $this->path;
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}
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/**
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* @return \OCP\Files\Storage
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*/
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public function getStorage() {
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return $this->storage;
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}
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/**
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* @return string
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*/
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public function getInternalPath() {
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return $this->internalPath;
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}
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/**
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* @return int
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*/
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public function getId() {
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return $this->data['fileid'];
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}
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/**
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* @return string
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*/
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public function getMimetype() {
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return $this->data['mimetype'];
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}
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/**
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* @return string
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*/
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public function getMimePart() {
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return $this->data['mimepart'];
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}
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/**
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* @return string
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*/
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public function getName() {
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return basename($this->getPath());
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}
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/**
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* @return string
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*/
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public function getEtag() {
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$this->updateEntryfromSubMounts();
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if (count($this->childEtags) > 0) {
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$combinedEtag = $this->data['etag'] . '::' . implode('::', $this->childEtags);
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return md5($combinedEtag);
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} else {
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return $this->data['etag'];
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}
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}
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/**
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* @return int
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*/
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public function getSize() {
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$this->updateEntryfromSubMounts();
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return isset($this->data['size']) ? $this->data['size'] : 0;
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}
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/**
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* @return int
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*/
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public function getMTime() {
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$this->updateEntryfromSubMounts();
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return $this->data['mtime'];
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}
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/**
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* @return bool
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*/
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public function isEncrypted() {
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return $this->data['encrypted'];
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}
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/**
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* Return the currently version used for the HMAC in the encryption app
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*
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* @return int
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*/
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public function getEncryptedVersion() {
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return isset($this->data['encryptedVersion']) ? (int) $this->data['encryptedVersion'] : 1;
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}
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/**
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* @return int
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*/
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public function getPermissions() {
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$perms = $this->data['permissions'];
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if (\OCP\Util::isSharingDisabledForUser() || ($this->isShared() && !\OC\Share\Share::isResharingAllowed())) {
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$perms = $perms & ~\OCP\Constants::PERMISSION_SHARE;
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}
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return $perms;
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}
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/**
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* @return \OCP\Files\FileInfo::TYPE_FILE|\OCP\Files\FileInfo::TYPE_FOLDER
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*/
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public function getType() {
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if (!isset($this->data['type'])) {
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$this->data['type'] = ($this->getMimetype() === 'httpd/unix-directory') ? self::TYPE_FOLDER : self::TYPE_FILE;
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}
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return $this->data['type'];
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}
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public function getData() {
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return $this->data;
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}
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/**
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* @param int $permissions
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* @return bool
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*/
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protected function checkPermissions($permissions) {
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return ($this->getPermissions() & $permissions) === $permissions;
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}
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/**
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* @return bool
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*/
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public function isReadable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_READ);
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}
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/**
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* @return bool
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*/
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public function isUpdateable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_UPDATE);
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}
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/**
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* Check whether new files or folders can be created inside this folder
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*
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* @return bool
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*/
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public function isCreatable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_CREATE);
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}
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/**
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* @return bool
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*/
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public function isDeletable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_DELETE);
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}
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/**
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* @return bool
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*/
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public function isShareable() {
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return $this->checkPermissions(\OCP\Constants::PERMISSION_SHARE);
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}
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/**
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* Check if a file or folder is shared
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*
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* @return bool
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*/
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public function isShared() {
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$sid = $this->getStorage()->getId();
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if (!is_null($sid)) {
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$sid = explode(':', $sid);
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return ($sid[0] === 'shared');
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}
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return false;
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}
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public function isMounted() {
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$storage = $this->getStorage();
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if ($storage->instanceOfStorage('\OCP\Files\IHomeStorage')) {
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return false;
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}
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$sid = $storage->getId();
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if (!is_null($sid)) {
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$sid = explode(':', $sid);
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return ($sid[0] !== 'home' and $sid[0] !== 'shared');
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}
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return false;
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}
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/**
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* Get the mountpoint the file belongs to
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*
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* @return \OCP\Files\Mount\IMountPoint
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*/
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public function getMountPoint() {
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return $this->mount;
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}
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/**
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* Get the owner of the file
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*
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* @return \OCP\IUser
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*/
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public function getOwner() {
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return $this->owner;
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}
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/**
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* @param IMountPoint[] $mounts
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*/
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public function setSubMounts(array $mounts) {
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$this->subMounts = $mounts;
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}
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private function updateEntryfromSubMounts() {
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if ($this->subMountsUsed) {
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return;
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}
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$this->subMountsUsed = true;
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foreach ($this->subMounts as $mount) {
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$subStorage = $mount->getStorage();
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if ($subStorage) {
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$subCache = $subStorage->getCache('');
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$rootEntry = $subCache->get('');
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$this->addSubEntry($rootEntry, $mount->getMountPoint());
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}
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}
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}
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/**
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* Add a cache entry which is the child of this folder
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*
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* Sets the size, etag and size to for cross-storage childs
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*
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* @param array|ICacheEntry $data cache entry for the child
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* @param string $entryPath full path of the child entry
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*/
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public function addSubEntry($data, $entryPath) {
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$this->data['size'] += isset($data['size']) ? $data['size'] : 0;
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if (isset($data['mtime'])) {
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$this->data['mtime'] = max($this->data['mtime'], $data['mtime']);
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}
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if (isset($data['etag'])) {
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// prefix the etag with the relative path of the subentry to propagate etag on mount moves
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$relativeEntryPath = substr($entryPath, strlen($this->getPath()));
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// attach the permissions to propagate etag on permision changes of submounts
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$permissions = isset($data['permissions']) ? $data['permissions'] : 0;
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$this->childEtags[] = $relativeEntryPath . '/' . $data['etag'] . $permissions;
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}
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}
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/**
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* @inheritdoc
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*/
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public function getChecksum() {
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return $this->data['checksum'];
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}
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}
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