lib/private/IntegrityCheck/Iterator/ExcludeFileByNameFilterIterator.php
<?php
/**
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Victor Dubiniuk <dubiniuk@owncloud.com>
*
* @copyright Copyright (c) 2018, ownCloud GmbH
* @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\IntegrityCheck\Iterator;
/**
* Class ExcludeFileByNameFilterIterator provides a custom iterator which excludes
* entries with the specified file name or name part from the file list.
*
* @package OC\Integritycheck\Iterator
*/
class ExcludeFileByNameFilterIterator extends \RecursiveFilterIterator {
/**
* Array of excluded file names. Those are not scanned by the integrity checker.
* This is used to exclude files which administrators could upload by mistakes
* such as .DS_Store files.
*
* @var array
*/
private $excludedFilenames = [
'.DS_Store', // Mac OS X
'Thumbs.db', // Microsoft Windows
'.directory', // Dolphin (KDE)
'.webapp', // Gentoo/Funtoo & derivatives use a tool known as webapp-config to manage wep-apps.
];
/**
* Array of excluded file name parts. Those are not scanned by the integrity checker.
* These strings are regular expressions and any file names
* matching these expressions are ignored.
*
* @var array
*/
private $excludedFileNamePatterns = [
'/^\.webapp-owncloud-.*/', // Gentoo/Funtoo & derivatives use a tool known as webapp-config to manage wep-apps.
];
/**
* Array of excluded path and file name parts. Those are not scanned by the integrity checker.
* These strings are regular expressions and any filepath
* matching these expressions are ignored.
*
* @var array
*/
private $excludedFilePathPatterns = [
'|/core/js/mimetypelist.js$|', // this file can be regenerated with additional entries with occ maintenance:mimetype:update-js
];
/**
* @return bool
*/
public function accept() {
/** @var \SplFileInfo $current */
$current = $this->current();
if ($current->isDir()) {
return true;
}
$currentFileName = $current->getFilename();
if (\in_array($currentFileName, $this->excludedFilenames, true)) {
return false;
}
foreach ($this->excludedFileNamePatterns as $pattern) {
if (\preg_match($pattern, $currentFileName) > 0) {
return false;
}
}
$currentFilePath = $current->getPathname();
foreach ($this->excludedFilePathPatterns as $pattern) {
if (\preg_match($pattern, $currentFilePath) > 0) {
return false;
}
}
return true;
}
}