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<?php
/**
* Copyright (c) 2013 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\Connector\Sabre;
use OC\Files\FileInfo;
use OC\Files\Filesystem;
use OC\Files\Mount\MoveableMount;
use OCP\Files\StorageInvalidException;
use OCP\Files\StorageNotAvailableException;
class ObjectTree extends \Sabre\DAV\ObjectTree {
/**
* @var \OC\Files\View
*/
protected $fileView;
/**
* @var \OC\Files\Mount\Manager
*/
protected $mountManager;
/**
* Creates the object
*
* This method expects the rootObject to be passed as a parameter
*/
public function __construct() {
}
/**
* @param \Sabre\DAV\INode $rootNode
* @param \OC\Files\View $view
* @param \OC\Files\Mount\Manager $mountManager
*/
public function init(\Sabre\DAV\INode $rootNode, \OC\Files\View $view, \OC\Files\Mount\Manager $mountManager) {
$this->rootNode = $rootNode;
$this->fileView = $view;
$this->mountManager = $mountManager;
}
/**
* Returns the INode object for the requested path
*
* @param string $path
* @throws \Sabre\DAV\Exception\ServiceUnavailable
* @throws \Sabre\DAV\Exception\NotFound
* @return \Sabre\DAV\INode
*/
public function getNodeForPath($path) {
if (!$this->fileView) {
throw new \Sabre\DAV\Exception\ServiceUnavailable('filesystem not setup');
}
$path = trim($path, '/');
if (isset($this->cache[$path])) {
return $this->cache[$path];
}
// Is it the root node?
if (!strlen($path)) {
return $this->rootNode;
}
if (pathinfo($path, PATHINFO_EXTENSION) === 'part') {
// read from storage
$absPath = $this->fileView->getAbsolutePath($path);
$mount = $this->fileView->getMount($path);
$storage = $mount->getStorage();
$internalPath = $mount->getInternalPath($absPath);
if ($storage) {
/**
* @var \OC\Files\Storage\Storage $storage
*/
$scanner = $storage->getScanner($internalPath);
// get data directly
$data = $scanner->getData($internalPath);
$info = new FileInfo($absPath, $storage, $internalPath, $data, $mount);
} else {
$info = null;
}
} else {
// read from cache
try {
$info = $this->fileView->getFileInfo($path);
} catch (StorageNotAvailableException $e) {
throw new \Sabre\DAV\Exception\ServiceUnavailable('Storage not available');
} catch (StorageInvalidException $e){
throw new \Sabre\DAV\Exception\NotFound('Storage ' . $path . ' is invalid');
}
}
if (!$info) {
throw new \Sabre\DAV\Exception\NotFound('File with name ' . $path . ' could not be located');
}
if ($info->getType() === 'dir') {
$node = new \OC_Connector_Sabre_Directory($this->fileView, $info);
} else {
$node = new \OC_Connector_Sabre_File($this->fileView, $info);
}
$this->cache[$path] = $node;
return $node;
}
/**
* Moves a file from one location to another
*
* @param string $sourcePath The path to the file which should be moved
* @param string $destinationPath The full destination path, so not just the destination parent node
* @throws \Sabre\DAV\Exception\BadRequest
* @throws \Sabre\DAV\Exception\ServiceUnavailable
* @throws \Sabre\DAV\Exception\Forbidden
* @return int
*/
public function move($sourcePath, $destinationPath) {
if (!$this->fileView) {
throw new \Sabre\DAV\Exception\ServiceUnavailable('filesystem not setup');
}
$targetNodeExists = $this->nodeExists($destinationPath);
$sourceNode = $this->getNodeForPath($sourcePath);
if ($sourceNode instanceof \Sabre\DAV\ICollection && $targetNodeExists) {
throw new \Sabre\DAV\Exception\Forbidden('Could not copy directory ' . $sourceNode . ', target exists');
}
list($sourceDir,) = \Sabre\DAV\URLUtil::splitPath($sourcePath);
list($destinationDir,) = \Sabre\DAV\URLUtil::splitPath($destinationPath);
$isMovableMount = false;
$sourceMount = $this->mountManager->find($this->fileView->getAbsolutePath($sourcePath));
$internalPath = $sourceMount->getInternalPath($this->fileView->getAbsolutePath($sourcePath));
if ($sourceMount instanceof MoveableMount && $internalPath === '') {
$isMovableMount = true;
}
try {
$sameFolder = ($sourceDir === $destinationDir);
// if we're overwriting or same folder
if ($targetNodeExists || $sameFolder) {
// note that renaming a share mount point is always allowed
if (!$this->fileView->isUpdatable($destinationDir) && !$isMovableMount) {
throw new \Sabre\DAV\Exception\Forbidden();
}
} else {
if (!$this->fileView->isCreatable($destinationDir)) {
throw new \Sabre\DAV\Exception\Forbidden();
}
}
if (!$sameFolder) {
// moving to a different folder, source will be gone, like a deletion
// note that moving a share mount point is always allowed
if (!$this->fileView->isDeletable($sourcePath) && !$isMovableMount) {
throw new \Sabre\DAV\Exception\Forbidden();
}
}
$fileName = basename($destinationPath);
if (!\OCP\Util::isValidFileName($fileName)) {
throw new \Sabre\DAV\Exception\BadRequest();
}
$renameOkay = $this->fileView->rename($sourcePath, $destinationPath);
if (!$renameOkay) {
throw new \Sabre\DAV\Exception\Forbidden('');
}
} catch (\OCP\Files\StorageNotAvailableException $e) {
throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
}
// update properties
$query = \OC_DB::prepare('UPDATE `*PREFIX*properties` SET `propertypath` = ?'
. ' WHERE `userid` = ? AND `propertypath` = ?');
$query->execute(array(\OC\Files\Filesystem::normalizePath($destinationPath), \OC_User::getUser(),
\OC\Files\Filesystem::normalizePath($sourcePath)));
$this->markDirty($sourceDir);
$this->markDirty($destinationDir);
}
/**
* Copies a file or directory.
*
* This method must work recursively and delete the destination
* if it exists
*
* @param string $source
* @param string $destination
* @throws \Sabre\DAV\Exception\ServiceUnavailable
* @return void
*/
public function copy($source, $destination) {
if (!$this->fileView) {
throw new \Sabre\DAV\Exception\ServiceUnavailable('filesystem not setup');
}
try {
if ($this->fileView->is_file($source)) {
$this->fileView->copy($source, $destination);
} else {
$this->fileView->mkdir($destination);
$dh = $this->fileView->opendir($source);
if (is_resource($dh)) {
while (($subNode = readdir($dh)) !== false) {
if ($subNode == '.' || $subNode == '..') continue;
$this->copy($source . '/' . $subNode, $destination . '/' . $subNode);
}
}
}
} catch (\OCP\Files\StorageNotAvailableException $e) {
throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
}
list($destinationDir,) = \Sabre\DAV\URLUtil::splitPath($destination);
$this->markDirty($destinationDir);
}
}
|
