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<?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 Common {
/**
* @param string $path
* @return string|null
*/
abstract public function constructUrl($path);
public function mkdir($path) {
return mkdir($this->constructUrl($path));
}
public function rmdir($path) {
if ($this->file_exists($path) && $this->isDeletable($path)) {
$dh = $this->opendir($path);
while (($file = readdir($dh)) !== false) {
if ($this->is_dir($path . '/' . $file)) {
$this->rmdir($path . '/' . $file);
} else {
$this->unlink($path . '/' . $file);
}
}
$url = $this->constructUrl($path);
$success = rmdir($url);
clearstatcache(false, $url);
return $success;
} else {
return false;
}
}
public function opendir($path) {
return opendir($this->constructUrl($path));
}
public function filetype($path) {
return @filetype($this->constructUrl($path));
}
public function file_exists($path) {
return file_exists($this->constructUrl($path));
}
public function unlink($path) {
$url = $this->constructUrl($path);
$success = unlink($url);
// normally unlink() is supposed to do this implicitly,
// but doing it anyway just to be sure
clearstatcache(false, $url);
return $success;
}
public function fopen($path, $mode) {
return fopen($this->constructUrl($path), $mode);
}
public function touch($path, $mtime = null) {
if ($this->file_exists($path)) {
if (is_null($mtime)) {
$fh = $this->fopen($path, 'a');
fwrite($fh, '');
fclose($fh);
return true;
} else {
return false; //not supported
}
} else {
$this->file_put_contents($path, '');
return true;
}
}
/**
* @param string $path
* @param string $target
*/
public function getFile($path, $target) {
return copy($this->constructUrl($path), $target);
}
/**
* @param string $target
*/
public function uploadFile($path, $target) {
return copy($path, $this->constructUrl($target));
}
public function rename($path1, $path2) {
return rename($this->constructUrl($path1), $this->constructUrl($path2));
}
public function stat($path) {
return stat($this->constructUrl($path));
}
}
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