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<?php
namespace Sabre\DAV\Tree;
use Sabre\DAV;
/**
* FileSystem Tree
*
* This class is an alternative to the standard ObjectTree. This tree can only
* use Sabre\DAV\FS\Directory and File classes, but as a result it allows for a few
* optimizations that otherwise wouldn't be possible.
*
* Specifically copying and moving are much, much faster.
*
* @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Filesystem extends DAV\Tree {
/**
* Base url on the filesystem.
*
* @var string
*/
protected $basePath;
/**
* Creates this tree
*
* Supply the path you'd like to share.
*
* @param string $basePath
*/
public function __construct($basePath) {
$this->basePath = $basePath;
}
/**
* Returns a new node for the given path
*
* @param string $path
* @return DAV\FS\Node
*/
public function getNodeForPath($path) {
$realPath = $this->getRealPath($path);
if (!file_exists($realPath)) {
throw new DAV\Exception\NotFound('File at location ' . $realPath . ' not found');
}
if (is_dir($realPath)) {
return new DAV\FS\Directory($realPath);
} else {
return new DAV\FS\File($realPath);
}
}
/**
* Returns the real filesystem path for a webdav url.
*
* @param string $publicPath
* @return string
*/
protected function getRealPath($publicPath) {
return rtrim($this->basePath,'/') . '/' . trim($publicPath,'/');
}
/**
* 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) {
$source = $this->getRealPath($source);
$destination = $this->getRealPath($destination);
$this->realCopy($source,$destination);
}
/**
* Used by self::copy
*
* @param string $source
* @param string $destination
* @return void
*/
protected function realCopy($source,$destination) {
if (is_file($source)) {
copy($source,$destination);
} else {
mkdir($destination);
foreach(scandir($source) as $subnode) {
if ($subnode=='.' || $subnode=='..') continue;
$this->realCopy($source.'/'.$subnode,$destination.'/'.$subnode);
}
}
}
/**
* Moves a file or directory recursively.
*
* If the destination exists, delete it first.
*
* @param string $source
* @param string $destination
* @return void
*/
public function move($source,$destination) {
$source = $this->getRealPath($source);
$destination = $this->getRealPath($destination);
rename($source,$destination);
}
}
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