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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;
class ObjectTree extends \Sabre_DAV_ObjectTree {
/**
* @var \OC\Files\View
*/
protected $fileView;
/**
* Creates the object
*
* This method expects the rootObject to be passed as a parameter
*/
public function __construct() {
}
/**
* @param \Sabre_DAV_ICollection $rootNode
* @param \OC\Files\View $view
*/
public function init(\Sabre_DAV_ICollection $rootNode, \OC\Files\View $view) {
$this->rootNode = $rootNode;
$this->fileView = $view;
}
/**
* Returns the INode object for the requested path
*
* @param string $path
* @throws \Sabre_DAV_Exception_NotFound
* @return \Sabre_DAV_INode
*/
public function getNodeForPath($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);
list($storage, $internalPath) = Filesystem::resolvePath('/' . $absPath);
if ($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);
} else {
$info = null;
}
} else {
// read from cache
$info = $this->fileView->getFileInfo($path);
}
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 $destinationPath The full destination path, so not just the destination parent node
* @throws \Sabre_DAV_Exception_Forbidden
* @return int
*/
public function move($sourcePath, $destinationPath) {
if (!$this->fileView) {
throw new \Sabre_DAV_Exception_ServiceUnavailable('filesystem not setup');
}
$sourceNode = $this->getNodeForPath($sourcePath);
if ($sourceNode instanceof \Sabre_DAV_ICollection and $this->nodeExists($destinationPath)) {
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($destinationPath);
// check update privileges
if (!$this->fileView->isUpdatable($sourcePath)) {
throw new \Sabre_DAV_Exception_Forbidden();
}
if ($sourceDir !== $destinationDir) {
// for a full move we need update privileges on sourcePath and sourceDir as well as destinationDir
if (ltrim($destinationDir, '/') === '' && strtolower($sourceNode->getName()) === 'shared') {
throw new \Sabre_DAV_Exception_Forbidden();
}
if (!$this->fileView->isUpdatable($sourceDir)) {
throw new \Sabre_DAV_Exception_Forbidden();
}
if (!$this->fileView->isUpdatable($destinationDir)) {
throw new \Sabre_DAV_Exception_Forbidden();
}
if (!$this->fileView->isDeletable($sourcePath)) {
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('');
}
// update properties
$query = \OC_DB::prepare('UPDATE `*PREFIX*properties` SET `propertypath` = ?'
. ' WHERE `userid` = ? AND `propertypath` = ?');
$query->execute(array($destinationPath, \OC_User::getUser(), $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 $destination
* @return void
*/
public function copy($source, $destination) {
if (!$this->fileView) {
throw new \Sabre_DAV_Exception_ServiceUnavailable('filesystem not setup');
}
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 . '/' . $subnode);
}
}
}
list($destinationDir,) = \Sabre_DAV_URLUtil::splitPath($destination);
$this->markDirty($destinationDir);
}
}
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