nextcloud/apps/files_trashbin/lib/helper.php

126 lines
4.2 KiB
PHP

<?php
/**
* @author Björn Schießle <schiessle@owncloud.com>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @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_Trashbin;
use OC\Files\FileInfo;
class Helper
{
/**
* Retrieves the contents of a trash bin directory.
*
* @param string $dir path to the directory inside the trashbin
* or empty to retrieve the root of the trashbin
* @param string $user
* @param string $sortAttribute attribute to sort on or empty to disable sorting
* @param bool $sortDescending true for descending sort, false otherwise
* @return \OCP\Files\FileInfo[]
*/
public static function getTrashFiles($dir, $user, $sortAttribute = '', $sortDescending = false){
$result = array();
$timestamp = null;
$view = new \OC\Files\View('/' . $user . '/files_trashbin/files');
if (ltrim($dir, '/') !== '' && !$view->is_dir($dir)) {
throw new \Exception('Directory does not exists');
}
$dirContent = $view->opendir($dir);
if ($dirContent === false) {
return $result;
}
$mount = $view->getMount($dir);
$storage = $mount->getStorage();
$absoluteDir = $view->getAbsolutePath($dir);
$internalPath = $mount->getInternalPath($absoluteDir);
if (is_resource($dirContent)) {
$originalLocations = \OCA\Files_Trashbin\Trashbin::getLocations($user);
while (($entryName = readdir($dirContent)) !== false) {
if (!\OC\Files\Filesystem::isIgnoredDir($entryName)) {
$id = $entryName;
if ($dir === '' || $dir === '/') {
$pathparts = pathinfo($entryName);
$timestamp = substr($pathparts['extension'], 1);
$id = $pathparts['filename'];
} else if ($timestamp === null) {
// for subfolders we need to calculate the timestamp only once
$parts = explode('/', ltrim($dir, '/'));
$timestamp = substr(pathinfo($parts[0], PATHINFO_EXTENSION), 1);
}
$originalPath = '';
if (isset($originalLocations[$id][$timestamp])) {
$originalPath = $originalLocations[$id][$timestamp];
if (substr($originalPath, -1) === '/') {
$originalPath = substr($originalPath, 0, -1);
}
}
$i = array(
'name' => $id,
'mtime' => $timestamp,
'mimetype' => \OC_Helper::getFileNameMimeType($id),
'type' => $view->is_dir($dir . '/' . $entryName) ? 'dir' : 'file',
'directory' => ($dir === '/') ? '' : $dir,
);
if ($originalPath) {
$i['extraData'] = $originalPath.'/'.$id;
}
$result[] = new FileInfo($absoluteDir . '/' . $i['name'], $storage, $internalPath . '/' . $i['name'], $i, $mount);
}
}
closedir($dirContent);
}
if ($sortAttribute !== '') {
return \OCA\Files\Helper::sortFiles($result, $sortAttribute, $sortDescending);
}
return $result;
}
/**
* Format file infos for JSON
* @param \OCP\Files\FileInfo[] $fileInfos file infos
*/
public static function formatFileInfos($fileInfos) {
$files = array();
$id = 0;
foreach ($fileInfos as $i) {
$entry = \OCA\Files\Helper::formatFileInfo($i);
$entry['id'] = $id++;
$entry['etag'] = $entry['mtime']; // add fake etag, it is only needed to identify the preview image
$entry['permissions'] = \OCP\Constants::PERMISSION_READ;
if (\OCP\App::isEnabled('files_encryption')) {
$entry['isPreviewAvailable'] = false;
}
$files[] = $entry;
}
return $files;
}
}