/usr/share/php/Sabre/DAV/Tree.php is in php-sabre-dav 1.8.10-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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namespace Sabre\DAV;
/**
* Abstract tree object
*
* @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
abstract class Tree {
/**
* This function must return an INode object for a path
* If a Path doesn't exist, thrown a Exception_NotFound
*
* @param string $path
* @throws Exception\NotFound
* @return INode
*/
abstract function getNodeForPath($path);
/**
* This function allows you to check if a node exists.
*
* Implementors of this class should override this method to make
* it cheaper.
*
* @param string $path
* @return bool
*/
public function nodeExists($path) {
try {
$this->getNodeForPath($path);
return true;
} catch (Exception\NotFound $e) {
return false;
}
}
/**
* Copies a file from path to another
*
* @param string $sourcePath The source location
* @param string $destinationPath The full destination path
* @return void
*/
public function copy($sourcePath, $destinationPath) {
$sourceNode = $this->getNodeForPath($sourcePath);
// grab the dirname and basename components
list($destinationDir, $destinationName) = URLUtil::splitPath($destinationPath);
$destinationParent = $this->getNodeForPath($destinationDir);
$this->copyNode($sourceNode,$destinationParent,$destinationName);
$this->markDirty($destinationDir);
}
/**
* Moves a file from one location to another
*
* @param string $sourcePath The path to the file which should be moved
* @param string $destinationPath The full destination path, so not just the destination parent node
* @return int
*/
public function move($sourcePath, $destinationPath) {
list($sourceDir, $sourceName) = URLUtil::splitPath($sourcePath);
list($destinationDir, $destinationName) = URLUtil::splitPath($destinationPath);
if ($sourceDir===$destinationDir) {
$renameable = $this->getNodeForPath($sourcePath);
$renameable->setName($destinationName);
} else {
$this->copy($sourcePath,$destinationPath);
$this->getNodeForPath($sourcePath)->delete();
}
$this->markDirty($sourceDir);
$this->markDirty($destinationDir);
}
/**
* Deletes a node from the tree
*
* @param string $path
* @return void
*/
public function delete($path) {
$node = $this->getNodeForPath($path);
$node->delete();
list($parent) = URLUtil::splitPath($path);
$this->markDirty($parent);
}
/**
* Returns a list of childnodes for a given path.
*
* @param string $path
* @return array
*/
public function getChildren($path) {
$node = $this->getNodeForPath($path);
return $node->getChildren();
}
/**
* This method is called with every tree update
*
* Examples of tree updates are:
* * node deletions
* * node creations
* * copy
* * move
* * renaming nodes
*
* If Tree classes implement a form of caching, this will allow
* them to make sure caches will be expired.
*
* If a path is passed, it is assumed that the entire subtree is dirty
*
* @param string $path
* @return void
*/
public function markDirty($path) {
}
/**
* copyNode
*
* @param INode $source
* @param ICollection $destinationParent
* @param string $destinationName
* @return void
*/
protected function copyNode(INode $source,ICollection $destinationParent,$destinationName = null) {
if (!$destinationName) $destinationName = $source->getName();
if ($source instanceof IFile) {
$data = $source->get();
// If the body was a string, we need to convert it to a stream
if (is_string($data)) {
$stream = fopen('php://temp','r+');
fwrite($stream,$data);
rewind($stream);
$data = $stream;
}
$destinationParent->createFile($destinationName,$data);
$destination = $destinationParent->getChild($destinationName);
} elseif ($source instanceof ICollection) {
$destinationParent->createDirectory($destinationName);
$destination = $destinationParent->getChild($destinationName);
foreach($source->getChildren() as $child) {
$this->copyNode($child,$destination);
}
}
if ($source instanceof IProperties && $destination instanceof IProperties) {
$props = $source->getProperties(array());
$destination->updateProperties($props);
}
}
}
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