120 lines
2.9 KiB
PHP
120 lines
2.9 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Robin Appelman <robin@icewind.nl>
|
|
*
|
|
* @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 OC\Files\Stream;
|
|
|
|
/**
|
|
* stream wrapper that provides a callback on stream close
|
|
*/
|
|
class Close {
|
|
private static $callBacks = array();
|
|
private $path = '';
|
|
private $source;
|
|
private static $open = array();
|
|
|
|
public function stream_open($path, $mode, $options, &$opened_path) {
|
|
$path = substr($path, strlen('close://'));
|
|
$this->path = $path;
|
|
$this->source = fopen($path, $mode);
|
|
if (is_resource($this->source)) {
|
|
$this->meta = stream_get_meta_data($this->source);
|
|
}
|
|
self::$open[] = $path;
|
|
return is_resource($this->source);
|
|
}
|
|
|
|
public function stream_seek($offset, $whence = SEEK_SET) {
|
|
return fseek($this->source, $offset, $whence) === 0;
|
|
}
|
|
|
|
public function stream_tell() {
|
|
return ftell($this->source);
|
|
}
|
|
|
|
public function stream_read($count) {
|
|
return fread($this->source, $count);
|
|
}
|
|
|
|
public function stream_write($data) {
|
|
return fwrite($this->source, $data);
|
|
}
|
|
|
|
public function stream_set_option($option, $arg1, $arg2) {
|
|
switch ($option) {
|
|
case STREAM_OPTION_BLOCKING:
|
|
stream_set_blocking($this->source, $arg1);
|
|
break;
|
|
case STREAM_OPTION_READ_TIMEOUT:
|
|
stream_set_timeout($this->source, $arg1, $arg2);
|
|
break;
|
|
case STREAM_OPTION_WRITE_BUFFER:
|
|
stream_set_write_buffer($this->source, $arg1, $arg2);
|
|
}
|
|
}
|
|
|
|
public function stream_stat() {
|
|
return fstat($this->source);
|
|
}
|
|
|
|
public function stream_lock($mode) {
|
|
flock($this->source, $mode);
|
|
}
|
|
|
|
public function stream_flush() {
|
|
return fflush($this->source);
|
|
}
|
|
|
|
public function stream_eof() {
|
|
return feof($this->source);
|
|
}
|
|
|
|
public function url_stat($path) {
|
|
$path = substr($path, strlen('close://'));
|
|
if (file_exists($path)) {
|
|
return stat($path);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function stream_close() {
|
|
fclose($this->source);
|
|
if (isset(self::$callBacks[$this->path])) {
|
|
call_user_func(self::$callBacks[$this->path], $this->path);
|
|
}
|
|
}
|
|
|
|
public function unlink($path) {
|
|
$path = substr($path, strlen('close://'));
|
|
return unlink($path);
|
|
}
|
|
|
|
/**
|
|
* @param string $path
|
|
*/
|
|
public static function registerCallback($path, $callback) {
|
|
self::$callBacks[$path] = $callback;
|
|
}
|
|
}
|