diff --git a/config/config.inc.php.dist b/config/config.inc.php.dist
index 65489ed..14e9bf3 100644
--- a/config/config.inc.php.dist
+++ b/config/config.inc.php.dist
@@ -1,95 +1,111 @@
 <?php
 
 // This file contains Chwala configuration options.
 // Real config file must contain or include Roundcube Framework config.
 
 // ------------------------------------------------
 // Global settings
 // ------------------------------------------------
 
 // Main files source, backend driver which handles
 // authentication and configuration of Chwala
 // Note: Currently only 'kolab' is supported
 $config['fileapi_backend'] = 'kolab';
 
 // Enabled external storage drivers
 // Note: Currenty only 'seafile' and webdav is available
 $config['fileapi_drivers'] = array('seafile', 'webdav');
 
 // Pre-defined list of external storage sources.
 // Here admins can define sources which will be "mounted" into users folder tree
 /*
 $config['fileapi_sources'] = array(
     'Seafile' => array(
         'driver' => 'seafile',
         'host'   => 'seacloud.cc',
         // when username is set to '%u' current user name and password
         // will be used to authenticate to this storage source
         'username' => '%u',
     ),
     'Public-Files' => array(
         'driver'   => 'webdav',
         'baseuri'  => 'https://some.host.tld/Files',
         'username' => 'admin',
         'password' => 'pass',
     ),
 );
 */
 
+// Default values for sources configuration dialog.
+// Note: use driver names as the array keys.
+// Note: %u variable will be resolved to the current username.
+/*
+$config['fileapi_presets'] = array(
+    'seafile' => array(
+        'host'     => 'seacloud.cc',
+        'username' => '%u',
+    ),
+    'webdav' => array(
+        'baseuri'  => 'https://some.host.tld/Files',
+        'username' => '%u',
+    ),
+);
+*/
+
 // Manticore service URL. Enables use of WebODF collaborative editor.
 // Note: this URL should be accessible from Chwala host and Roundcube host as well.
 $config['fileapi_manticore'] = null;
 
 // WOPI/Office service URL. Enables use of collaborative editor supporting WOPI.
 // Note: this URL should be accessible from Chwala host and Roundcube host as well.
 $config['fileapi_wopi_office'] = null;
 
 // Kolab WOPI service URL. Enables use of collaborative editor supporting WOPI.
 // Note: this URL should be accessible from Chwala host and Office host as well.
 $config['fileapi_wopi_service'] = null;
 
 // Name of the user interface skin.
 $config['file_api_skin'] = 'default';
 
 // Chwala UI communicates with Chwala API via HTTP protocol
 // The URL here is a location of Chwala API service. By default
 // the UI location is used with addition of /api/ suffix.
 $config['file_api_url'] = '';
 
 // Type of Chwala cache. Supported values: 'db', 'apc' and 'memcache'.
 // Note: This is only for some additional data like WOPI capabilities.
 $config['fileapi_cache'] = 'db';
 
 // lifetime of Chwala cache
 // possible units: s, m, h, d, w
 $config['fileapi_cache_ttl'] = '1d';
 
 // ------------------------------------------------
 // SeaFile driver settings
 // ------------------------------------------------
 
 // Enables SeaFile Web API conversation log
 $config['fileapi_seafile_debug'] = true;
 
 // Enables caching of some SeaFile information e.g. folders list
 // Note: 'db', 'apc' and 'memcache' are supported
 $config['fileapi_seafile_cache'] = 'db';
 
 // Expiration time of SeaFile cache entries
 $config['fileapi_seafile_cache_ttl'] = '7d';
 
 // Default SeaFile Web API host
 // Note: http:// and https:// (default) prefixes can be used here
 $config['fileapi_seafile_host'] = 'localhost';
 
 // Enables SSL certificates validation when connecting
 // with any SeaFile server
 $config['fileapi_seafile_ssl_verify_host'] = false;
 $config['fileapi_seafile_ssl_verify_peer'] = false;
 
 // ------------------------------------------------
 // WebDAV driver settings
 // ------------------------------------------------
 
 // Default URI location for WebDAV storage
 $config['fileapi_webdav_baseuri'] = 'https://localhost/iRony';
diff --git a/lib/api/folder_types.php b/lib/api/folder_types.php
index c57a0ac..58c996e 100644
--- a/lib/api/folder_types.php
+++ b/lib/api/folder_types.php
@@ -1,58 +1,61 @@
 <?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_types extends file_api_common
 {
     /**
      * Request handler
      */
     public function handle()
     {
         parent::handle();
 
         $drivers = $this->rc->config->get('fileapi_drivers');
+        $presets = (array) $this->rc->config->get('fileapi_presets');
         $result  = array();
 
         if (!empty($drivers)) {
             foreach ((array) $drivers as $driver_name) {
                 if ($driver_name != 'kolab' && !isset($result[$driver_name])) {
                     $driver = $this->api->load_driver_object($driver_name);
                     $meta   = $driver->driver_metadata();
+                    $meta   = $this->parse_metadata($meta);
 
-                    $result[$driver_name] = $this->parse_metadata($meta);
+                    if (!empty($presets[$driver_name]) && empty($meta['form_values'])) {
+                        $meta['form_values'] = (array) $presets[$driver_name];
+                        $user = $this->rc->get_user_name();
+
+                        foreach ($meta['form_values'] as $key => $val) {
+                            $meta['form_values'][$key] = str_replace('%u', $user, $val);
+                        }
+                    }
+
+                    $result[$driver_name] = $meta;
                 }
             }
         }
-/*
-        // add local storage to the list
-        if (!empty($result)) {
-            $backend = $this->api->get_backend();
-            $meta = $backend->driver_metadata();
 
-            $result = array_merge(array('default' => $this->parse_metadata($meta, true)), $result);
-        }
-*/
         return $result;
     }
 }