nextcloud/lib/private/files/stream/oc.php

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<?php
/**
* Copyright (c) 2013 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\Stream;
/**
* a stream wrappers for ownCloud's virtual filesystem
*/
class OC {
/**
* @var \OC\Files\View
*/
static private $rootView;
private $path;
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/**
* @var resource
*/
private $dirSource;
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/**
* @var resource
*/
private $fileSource;
private $meta;
private function setup(){
if (!self::$rootView) {
self::$rootView = new \OC\Files\View('');
}
}
public function stream_open($path, $mode, $options, &$opened_path) {
$this->setup();
$path = substr($path, strlen('oc://'));
$this->path = $path;
$this->fileSource = self::$rootView->fopen($path, $mode);
if (is_resource($this->fileSource)) {
$this->meta = stream_get_meta_data($this->fileSource);
}
return is_resource($this->fileSource);
}
public function stream_seek($offset, $whence = SEEK_SET) {
fseek($this->fileSource, $offset, $whence);
}
public function stream_tell() {
return ftell($this->fileSource);
}
public function stream_read($count) {
return fread($this->fileSource, $count);
}
public function stream_write($data) {
return fwrite($this->fileSource, $data);
}
public function stream_set_option($option, $arg1, $arg2) {
switch ($option) {
case STREAM_OPTION_BLOCKING:
stream_set_blocking($this->fileSource, $arg1);
break;
case STREAM_OPTION_READ_TIMEOUT:
stream_set_timeout($this->fileSource, $arg1, $arg2);
break;
case STREAM_OPTION_WRITE_BUFFER:
stream_set_write_buffer($this->fileSource, $arg1, $arg2);
}
}
public function stream_stat() {
return fstat($this->fileSource);
}
public function stream_lock($mode) {
flock($this->fileSource, $mode);
}
public function stream_flush() {
return fflush($this->fileSource);
}
public function stream_eof() {
return feof($this->fileSource);
}
public function url_stat($path) {
$this->setup();
$path = substr($path, strlen('oc://'));
if (self::$rootView->file_exists($path)) {
return self::$rootView->stat($path);
} else {
return false;
}
}
public function stream_close() {
fclose($this->fileSource);
}
public function unlink($path) {
$this->setup();
$path = substr($path, strlen('oc://'));
return self::$rootView->unlink($path);
}
public function dir_opendir($path, $options) {
$this->setup();
$path = substr($path, strlen('oc://'));
$this->path = $path;
$this->dirSource = self::$rootView->opendir($path);
if (is_resource($this->dirSource)) {
$this->meta = stream_get_meta_data($this->dirSource);
}
return is_resource($this->dirSource);
}
public function dir_readdir() {
return readdir($this->dirSource);
}
public function dir_closedir() {
closedir($this->dirSource);
}
public function dir_rewinddir() {
rewinddir($this->dirSource);
}
}