server/apps/files_external/lib/streamwrapper.php
Robin Appelman d96146a017 Give storage backends the option to define having no known free space
When this is the case only the configured max upload size is taking into account for uploading
2013-02-16 03:27:50 +01:00

110 lines
2.2 KiB
PHP

<?php
/**
* Copyright (c) 2012 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\Files\Storage;
abstract class StreamWrapper extends \OC\Files\Storage\Common{
private $ready = false;
protected function init(){
if($this->ready) {
return;
}
$this->ready = true;
//create the root folder if necesary
if(!$this->is_dir('')) {
$this->mkdir('');
}
}
abstract public function constructUrl($path);
public function mkdir($path) {
$this->init();
return mkdir($this->constructUrl($path));
}
public function rmdir($path) {
$this->init();
if($this->file_exists($path)) {
$succes = rmdir($this->constructUrl($path));
clearstatcache();
return $succes;
} else {
return false;
}
}
public function opendir($path) {
$this->init();
return opendir($this->constructUrl($path));
}
public function filetype($path) {
$this->init();
return filetype($this->constructUrl($path));
}
public function isReadable($path) {
return true;//not properly supported
}
public function isUpdatable($path) {
return true;//not properly supported
}
public function file_exists($path) {
$this->init();
return file_exists($this->constructUrl($path));
}
public function unlink($path) {
$this->init();
$succes = unlink($this->constructUrl($path));
clearstatcache();
return $succes;
}
public function fopen($path, $mode) {
$this->init();
return fopen($this->constructUrl($path), $mode);
}
public function touch($path, $mtime=null) {
$this->init();
if(is_null($mtime)) {
$fh = $this->fopen($path, 'a');
fwrite($fh, '');
fclose($fh);
} else {
return false;//not supported
}
}
public function getFile($path, $target) {
$this->init();
return copy($this->constructUrl($path), $target);
}
public function uploadFile($path, $target) {
$this->init();
return copy($path, $this->constructUrl($target));
}
public function rename($path1, $path2) {
$this->init();
return rename($this->constructUrl($path1), $this->constructUrl($path2));
}
public function stat($path) {
$this->init();
return stat($this->constructUrl($path));
}
}