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diff --git a/lib/api/folder_list.php b/lib/api/folder_list.php
index b1bc895..5e5017d 100644
--- a/lib/api/folder_list.php
+++ b/lib/api/folder_list.php
@@ -1,108 +1,109 @@
<?php
/*
+--------------------------------------------------------------------------+
| This file is part of the Kolab File API |
| |
| Copyright (C) 2012-2014, Kolab Systems AG |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Affero General Public License as published |
| by the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| 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 |
| along with this program. If not, see <http://www.gnu.org/licenses/> |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
class file_api_folder_list extends file_api_common
{
/**
* Request handler
*/
public function handle()
{
parent::handle();
// get folders from main driver
$backend = $this->api->get_backend();
$folders = $backend->folder_list();
// old result format
if ($this->api->client_version() < 2) {
return $folders;
}
$drivers = $this->api->get_drivers(true);
$has_more = false;
$errors = array();
// get folders from external sources
foreach ($drivers as $driver) {
$title = $driver->title();
$prefix = $title . file_storage::SEPARATOR;
// folder exists in main source, replace it with external one
if (($idx = array_search($title, $folders)) !== false) {
foreach ($folders as $idx => $folder) {
if ($folder == $title || strpos($folder, $prefix) === 0) {
unset($folders[$idx]);
}
}
}
$folders[] = $title;
+ $has_more = true;
if ($driver != $backend) {
try {
foreach ($driver->folder_list() as $folder) {
$folders[] = $prefix . $folder;
}
}
catch (Exception $e) {
if ($e->getCode() == file_storage::ERROR_NOAUTH) {
// inform UI about to ask user for credentials
$errors[$title] = $this->parse_metadata($driver->driver_metadata());
}
}
}
}
// re-sort the list
if ($has_more) {
usort($folders, array($this, 'sort_folder_comparator'));
}
return array(
'list' => $folders,
'auth_errors' => $errors,
);
}
/**
* Callback for uasort() that implements correct
* locale-aware case-sensitive sorting
*/
protected function sort_folder_comparator($str1, $str2)
{
$path1 = explode(file_storage::SEPARATOR, $str1);
$path2 = explode(file_storage::SEPARATOR, $str2);
foreach ($path1 as $idx => $folder1) {
$folder2 = $path2[$idx];
if ($folder1 === $folder2) {
continue;
}
return strcoll($folder1, $folder2);
}
}
}

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