nextcloud/apps/files_external/lib/streamwrapper.php

115 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 free_space($path) {
return 0;
}
public function touch($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));
}
}