Current File : //data/www_bck/varak.net_bck/nextcloud.varak.net/apps/dav/lib/Connector/Sabre/Node.php
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bart Visscher <bartv@thisnet.nl>
* @author Björn Schießle <bjoern@schiessle.org>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Daniel Calviño Sánchez <danxuliu@gmail.com>
* @author Jakob Sack <mail@jakobsack.de>
* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Klaas Freitag <freitag@owncloud.com>
* @author Markus Goetz <markus@woboq.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Tobias Kaminsky <tobias@kaminsky.me>
* @author Vincent Petry <vincent@nextcloud.com>
*
* @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 OCA\DAV\Connector\Sabre;
use OC\Files\Mount\MoveableMount;
use OC\Files\Node\File;
use OC\Files\Node\Folder;
use OC\Files\View;
use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
use OCP\Files\DavUtil;
use OCP\Files\FileInfo;
use OCP\Files\IRootFolder;
use OCP\Files\StorageNotAvailableException;
use OCP\Share\Exceptions\ShareNotFound;
use OCP\Share\IManager;
abstract class Node implements \Sabre\DAV\INode {
/**
* @var View
*/
protected $fileView;
/**
* The path to the current node
*
* @var string
*/
protected $path;
/**
* node properties cache
*
* @var array
*/
protected $property_cache = null;
protected FileInfo $info;
/**
* @var IManager
*/
protected $shareManager;
protected \OCP\Files\Node $node;
/**
* Sets up the node, expects a full path name
*/
public function __construct(View $view, FileInfo $info, ?IManager $shareManager = null) {
$this->fileView = $view;
$this->path = $this->fileView->getRelativePath($info->getPath());
$this->info = $info;
if ($shareManager) {
$this->shareManager = $shareManager;
} else {
$this->shareManager = \OC::$server->getShareManager();
}
if ($info instanceof Folder || $info instanceof File) {
$this->node = $info;
} else {
// The Node API assumes that the view passed doesn't have a fake root
$rootView = \OC::$server->get(View::class);
$root = \OC::$server->get(IRootFolder::class);
if ($info->getType() === FileInfo::TYPE_FOLDER) {
$this->node = new Folder($root, $rootView, $this->fileView->getAbsolutePath($this->path), $info);
} else {
$this->node = new File($root, $rootView, $this->fileView->getAbsolutePath($this->path), $info);
}
}
}
protected function refreshInfo(): void {
$info = $this->fileView->getFileInfo($this->path);
if ($info === false) {
throw new \Sabre\DAV\Exception('Failed to get fileinfo for '. $this->path);
}
$this->info = $info;
$root = \OC::$server->get(IRootFolder::class);
$rootView = \OC::$server->get(View::class);
if ($this->info->getType() === FileInfo::TYPE_FOLDER) {
$this->node = new Folder($root, $rootView, $this->path, $this->info);
} else {
$this->node = new File($root, $rootView, $this->path, $this->info);
}
}
/**
* Returns the name of the node
*
* @return string
*/
public function getName() {
return $this->info->getName();
}
/**
* Returns the full path
*
* @return string
*/
public function getPath() {
return $this->path;
}
/**
* Renames the node
*
* @param string $name The new name
* @throws \Sabre\DAV\Exception\BadRequest
* @throws \Sabre\DAV\Exception\Forbidden
*/
public function setName($name) {
// rename is only allowed if the update privilege is granted
if (!($this->info->isUpdateable() || ($this->info->getMountPoint() instanceof MoveableMount && $this->info->getInternalPath() === ''))) {
throw new \Sabre\DAV\Exception\Forbidden();
}
[$parentPath,] = \Sabre\Uri\split($this->path);
[, $newName] = \Sabre\Uri\split($name);
// verify path of the target
$this->verifyPath();
$newPath = $parentPath . '/' . $newName;
if (!$this->fileView->rename($this->path, $newPath)) {
throw new \Sabre\DAV\Exception('Failed to rename '. $this->path . ' to ' . $newPath);
}
$this->path = $newPath;
$this->refreshInfo();
}
public function setPropertyCache($property_cache) {
$this->property_cache = $property_cache;
}
/**
* Returns the last modification time, as a unix timestamp
*
* @return int timestamp as integer
*/
public function getLastModified() {
$timestamp = $this->info->getMtime();
if (!empty($timestamp)) {
return (int)$timestamp;
}
return $timestamp;
}
/**
* sets the last modification time of the file (mtime) to the value given
* in the second parameter or to now if the second param is empty.
* Even if the modification time is set to a custom value the access time is set to now.
*/
public function touch($mtime) {
$mtime = $this->sanitizeMtime($mtime);
$this->fileView->touch($this->path, $mtime);
$this->refreshInfo();
}
/**
* Returns the ETag for a file
*
* An ETag is a unique identifier representing the current version of the
* file. If the file changes, the ETag MUST change. The ETag is an
* arbitrary string, but MUST be surrounded by double-quotes.
*
* Return null if the ETag can not effectively be determined
*
* @return string
*/
public function getETag() {
return '"' . $this->info->getEtag() . '"';
}
/**
* Sets the ETag
*
* @param string $etag
*
* @return int file id of updated file or -1 on failure
*/
public function setETag($etag) {
return $this->fileView->putFileInfo($this->path, ['etag' => $etag]);
}
public function setCreationTime(int $time) {
return $this->fileView->putFileInfo($this->path, ['creation_time' => $time]);
}
public function setUploadTime(int $time) {
return $this->fileView->putFileInfo($this->path, ['upload_time' => $time]);
}
/**
* Returns the size of the node, in bytes
*
* @psalm-suppress ImplementedReturnTypeMismatch \Sabre\DAV\IFile::getSize signature does not support 32bit
* @return int|float
*/
public function getSize(): int|float {
return $this->info->getSize();
}
/**
* Returns the cache's file id
*
* @return int
*/
public function getId() {
return $this->info->getId();
}
/**
* @return string|null
*/
public function getFileId() {
if ($id = $this->info->getId()) {
return DavUtil::getDavFileId($id);
}
return null;
}
/**
* @return integer
*/
public function getInternalFileId() {
return $this->info->getId();
}
public function getInternalPath(): string {
return $this->info->getInternalPath();
}
/**
* @param string $user
* @return int
*/
public function getSharePermissions($user) {
// check of we access a federated share
if ($user !== null) {
try {
$share = $this->shareManager->getShareByToken($user);
return $share->getPermissions();
} catch (ShareNotFound $e) {
// ignore
}
}
try {
$storage = $this->info->getStorage();
} catch (StorageNotAvailableException $e) {
$storage = null;
}
if ($storage && $storage->instanceOfStorage('\OCA\Files_Sharing\SharedStorage')) {
/** @var \OCA\Files_Sharing\SharedStorage $storage */
$permissions = (int)$storage->getShare()->getPermissions();
} else {
$permissions = $this->info->getPermissions();
}
/*
* We can always share non moveable mount points with DELETE and UPDATE
* Eventually we need to do this properly
*/
$mountpoint = $this->info->getMountPoint();
if (!($mountpoint instanceof MoveableMount)) {
$mountpointpath = $mountpoint->getMountPoint();
if (str_ends_with($mountpointpath, '/')) {
$mountpointpath = substr($mountpointpath, 0, -1);
}
if (!$mountpoint->getOption('readonly', false) && $mountpointpath === $this->info->getPath()) {
$permissions |= \OCP\Constants::PERMISSION_DELETE | \OCP\Constants::PERMISSION_UPDATE;
}
}
/*
* Files can't have create or delete permissions
*/
if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
$permissions &= ~(\OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_DELETE);
}
return $permissions;
}
/**
* @return array
*/
public function getShareAttributes(): array {
$attributes = [];
try {
$storage = $this->info->getStorage();
} catch (StorageNotAvailableException $e) {
$storage = null;
}
if ($storage && $storage->instanceOfStorage(\OCA\Files_Sharing\SharedStorage::class)) {
/** @var \OCA\Files_Sharing\SharedStorage $storage */
$attributes = $storage->getShare()->getAttributes();
if ($attributes === null) {
return [];
} else {
return $attributes->toArray();
}
}
return $attributes;
}
/**
* @param string $user
* @return string
*/
public function getNoteFromShare($user) {
if ($user === null) {
return '';
}
// Retrieve note from the share object already loaded into
// memory, to avoid additional database queries.
$storage = $this->getNode()->getStorage();
if (!$storage->instanceOfStorage(\OCA\Files_Sharing\SharedStorage::class)) {
return '';
}
/** @var \OCA\Files_Sharing\SharedStorage $storage */
$share = $storage->getShare();
$note = $share->getNote();
if ($share->getShareOwner() !== $user) {
return $note;
}
return '';
}
/**
* @return string
*/
public function getDavPermissions() {
return DavUtil::getDavPermissions($this->info);
}
public function getOwner() {
return $this->info->getOwner();
}
protected function verifyPath() {
try {
$fileName = basename($this->info->getPath());
$this->fileView->verifyPath($this->path, $fileName);
} catch (\OCP\Files\InvalidPathException $ex) {
throw new InvalidPath($ex->getMessage());
}
}
/**
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
*/
public function acquireLock($type) {
$this->fileView->lockFile($this->path, $type);
}
/**
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
*/
public function releaseLock($type) {
$this->fileView->unlockFile($this->path, $type);
}
/**
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
*/
public function changeLock($type) {
$this->fileView->changeLock($this->path, $type);
}
public function getFileInfo() {
return $this->info;
}
public function getNode(): \OCP\Files\Node {
return $this->node;
}
protected function sanitizeMtime($mtimeFromRequest) {
return MtimeSanitizer::sanitizeMtime($mtimeFromRequest);
}
}
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