127 lines
3.1 KiB
PHP
127 lines
3.1 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\Cache;
|
|
|
|
class Scanner {
|
|
/**
|
|
* @var \OC\Files\Storage\Storage $storage
|
|
*/
|
|
private $storage;
|
|
|
|
/**
|
|
* @var \OC\Files\Cache\Cache $cache
|
|
*/
|
|
private $cache;
|
|
|
|
const SCAN_RECURSIVE = true;
|
|
const SCAN_SHALLOW = false;
|
|
|
|
public function __construct(\OC\Files\Storage\Storage $storage) {
|
|
$this->storage = $storage;
|
|
$this->cache = new Cache($storage);
|
|
}
|
|
|
|
/**
|
|
* get all the metadata of a file or folder
|
|
* *
|
|
*
|
|
* @param string $path
|
|
* @return array with metadata of the file
|
|
*/
|
|
public function getData($path) {
|
|
$data = array();
|
|
if (!$this->storage->isReadable($path)) return null; //cant read, nothing we can do
|
|
$data['mimetype'] = $this->storage->getMimeType($path);
|
|
$data['mtime'] = $this->storage->filemtime($path);
|
|
if ($data['mimetype'] == 'httpd/unix-directory') {
|
|
$data['size'] = -1; //unknown
|
|
$data['permissions'] = $this->storage->getPermissions($path . '/');
|
|
} else {
|
|
$data['size'] = $this->storage->filesize($path);
|
|
$data['permissions'] = $this->storage->getPermissions($path);
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* scan a single file and store it in the cache
|
|
*
|
|
* @param string $file
|
|
* @return array with metadata of the scanned file
|
|
*/
|
|
public function scanFile($file) {
|
|
$data = $this->getData($file);
|
|
if ($file !== '') {
|
|
$parent = dirname($file);
|
|
if ($parent === '.') {
|
|
$parent = '';
|
|
}
|
|
if (!$this->cache->inCache($parent)) {
|
|
$this->scanFile($parent);
|
|
}
|
|
}
|
|
$id = $this->cache->put($file, $data);
|
|
Permissions::set($id, \OC_User::getUser(), $data['permissions']);
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* scan all the files in a folder and store them in the cache
|
|
*
|
|
* @param string $path
|
|
* @param SCAN_RECURSIVE/SCAN_SHALLOW $recursive
|
|
* @return int the size of the scanned folder or -1 if the size is unknown at this stage
|
|
*/
|
|
public function scan($path, $recursive = self::SCAN_RECURSIVE) {
|
|
$this->scanFile($path);
|
|
|
|
$size = 0;
|
|
if ($dh = $this->storage->opendir($path)) {
|
|
while ($file = readdir($dh)) {
|
|
if ($file !== '.' and $file !== '..') {
|
|
$child = ($path !== '') ? $path . '/' . $file : $file;
|
|
$data = $this->scanFile($child);
|
|
if ($data['mimetype'] === 'httpd/unix-directory') {
|
|
if ($recursive === self::SCAN_RECURSIVE) {
|
|
$data['size'] = $this->scan($child, self::SCAN_RECURSIVE);
|
|
} else {
|
|
$data['size'] = -1;
|
|
}
|
|
}
|
|
if ($data['size'] === -1) {
|
|
$size = -1;
|
|
} elseif ($size !== -1) {
|
|
$size += $data['size'];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($size !== -1) {
|
|
$this->cache->put($path, array('size' => $size));
|
|
}
|
|
return $size;
|
|
}
|
|
|
|
/**
|
|
* update the folder size and the size of all parent folders
|
|
*
|
|
* @param $path
|
|
*/
|
|
public function correctFolderSize($path) {
|
|
$this->cache->calculateFolderSize($path);
|
|
if ($path !== '') {
|
|
$parent = dirname($path);
|
|
if ($parent === '.') {
|
|
$parent = '';
|
|
}
|
|
$this->correctFolderSize($parent);
|
|
}
|
|
}
|
|
}
|