friendica-addons/dav/SabreDAV/lib/Sabre/DAV/FSExt/Directory.php

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2012-06-03 14:19:28 -04:00
<?php
/**
* Directory class
*
* @package Sabre
* @subpackage DAV
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Sabre_DAV_FSExt_Directory extends Sabre_DAV_FSExt_Node implements Sabre_DAV_ICollection, Sabre_DAV_IQuota {
/**
* Creates a new file in the directory
*
* Data will either be supplied as a stream resource, or in certain cases
* as a string. Keep in mind that you may have to support either.
*
* After successful creation of the file, you may choose to return the ETag
* of the new file here.
*
* The returned ETag must be surrounded by double-quotes (The quotes should
* be part of the actual string).
*
* If you cannot accurately determine the ETag, you should not return it.
* If you don't store the file exactly as-is (you're transforming it
* somehow) you should also not return an ETag.
*
* This means that if a subsequent GET to this new file does not exactly
* return the same contents of what was submitted here, you are strongly
* recommended to omit the ETag.
*
* @param string $name Name of the file
* @param resource|string $data Initial payload
* @return null|string
*/
public function createFile($name, $data = null) {
// We're not allowing dots
if ($name=='.' || $name=='..') throw new Sabre_DAV_Exception_Forbidden('Permission denied to . and ..');
$newPath = $this->path . '/' . $name;
file_put_contents($newPath,$data);
return '"' . md5_file($newPath) . '"';
}
/**
* Creates a new subdirectory
*
* @param string $name
* @return void
*/
public function createDirectory($name) {
// We're not allowing dots
if ($name=='.' || $name=='..') throw new Sabre_DAV_Exception_Forbidden('Permission denied to . and ..');
$newPath = $this->path . '/' . $name;
mkdir($newPath);
}
/**
* Returns a specific child node, referenced by its name
*
* This method must throw Sabre_DAV_Exception_NotFound if the node does not
* exist.
*
* @param string $name
* @throws Sabre_DAV_Exception_NotFound
* @return Sabre_DAV_INode
*/
public function getChild($name) {
$path = $this->path . '/' . $name;
if (!file_exists($path)) throw new Sabre_DAV_Exception_NotFound('File could not be located');
if ($name=='.' || $name=='..') throw new Sabre_DAV_Exception_Forbidden('Permission denied to . and ..');
if (is_dir($path)) {
return new Sabre_DAV_FSExt_Directory($path);
} else {
return new Sabre_DAV_FSExt_File($path);
}
}
/**
* Checks if a child exists.
*
* @param string $name
* @return bool
*/
public function childExists($name) {
if ($name=='.' || $name=='..')
throw new Sabre_DAV_Exception_Forbidden('Permission denied to . and ..');
$path = $this->path . '/' . $name;
return file_exists($path);
}
/**
* Returns an array with all the child nodes
*
* @return Sabre_DAV_INode[]
*/
public function getChildren() {
$nodes = array();
foreach(scandir($this->path) as $node) if($node!='.' && $node!='..' && $node!='.sabredav') $nodes[] = $this->getChild($node);
return $nodes;
}
/**
* Deletes all files in this directory, and then itself
*
* @return bool
*/
public function delete() {
// Deleting all children
foreach($this->getChildren() as $child) $child->delete();
// Removing resource info, if its still around
if (file_exists($this->path . '/.sabredav')) unlink($this->path . '/.sabredav');
// Removing the directory itself
rmdir($this->path);
return parent::delete();
}
/**
* Returns available diskspace information
*
* @return array
*/
public function getQuotaInfo() {
return array(
disk_total_space($this->path)-disk_free_space($this->path),
disk_free_space($this->path)
);
}
}