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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bart Visscher <bartv@thisnet.nl>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <vincent@nextcloud.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_External\Lib\Storage;
abstract class StreamWrapper extends \OC\Files\Storage\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 ($this->is_dir($path) && $this->isDeletable($path)) {
$dh = $this->opendir($path);
if (!is_resource($dh)) {
return false;
}
while (($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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