--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/program/steps/settings/save_prefs.inc	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,228 @@
+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | program/steps/settings/save_prefs.inc                                 |
+ |                                                                       |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2016, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Save user preferences to DB and to the current session              |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ | Author: Aleksander Machniak <alec@alec.pl>                            |
+ +-----------------------------------------------------------------------+
+*/
+
+$CURR_SECTION = rcube_utils::get_input_value('_section', rcube_utils::INPUT_POST);
+$a_user_prefs = array();
+
+// set options for specified section
+switch ($CURR_SECTION) {
+case 'general':
+    $a_user_prefs = array(
+        'language'     => isset($_POST['_language']) ? rcube_utils::get_input_value('_language', rcube_utils::INPUT_POST) : $CONFIG['language'],
+        'timezone'     => isset($_POST['_timezone']) ? rcube_utils::get_input_value('_timezone', rcube_utils::INPUT_POST) : $CONFIG['timezone'],
+        'date_format'  => isset($_POST['_date_format']) ? rcube_utils::get_input_value('_date_format', rcube_utils::INPUT_POST) : $CONFIG['date_format'],
+        'time_format'  => isset($_POST['_time_format']) ? rcube_utils::get_input_value('_time_format', rcube_utils::INPUT_POST) : ($CONFIG['time_format'] ? $CONFIG['time_format'] : 'H:i'),
+        'prettydate'   => isset($_POST['_pretty_date']),
+        'refresh_interval' => isset($_POST['_refresh_interval']) ? intval($_POST['_refresh_interval'])*60 : $CONFIG['refresh_interval'],
+        'standard_windows' => isset($_POST['_standard_windows']),
+        'skin'         => isset($_POST['_skin']) ? rcube_utils::get_input_value('_skin', rcube_utils::INPUT_POST) : $CONFIG['skin'],
+    );
+
+    // compose derived date/time format strings
+    if ((isset($_POST['_date_format']) || isset($_POST['_time_format'])) && $a_user_prefs['date_format'] && $a_user_prefs['time_format']) {
+        $a_user_prefs['date_short'] = 'D ' . $a_user_prefs['time_format'];
+        $a_user_prefs['date_long']  = $a_user_prefs['date_format'] . ' ' . $a_user_prefs['time_format'];
+    }
+
+    break;
+
+case 'mailbox':
+    $a_user_prefs = array(
+        'layout'               => rcube_utils::get_input_value('_layout', rcube_utils::INPUT_POST),
+        'mail_read_time'       => isset($_POST['_mail_read_time']) ? intval($_POST['_mail_read_time']) : $CONFIG['mail_read_time'],
+        'autoexpand_threads'   => isset($_POST['_autoexpand_threads']) ? intval($_POST['_autoexpand_threads']) : 0,
+        'mdn_requests'         => isset($_POST['_mdn_requests']) ? intval($_POST['_mdn_requests']) : 0,
+        'check_all_folders'    => isset($_POST['_check_all_folders']),
+        'mail_pagesize'        => is_numeric($_POST['_mail_pagesize']) ? max(2, intval($_POST['_mail_pagesize'])) : $CONFIG['mail_pagesize'],
+    );
+
+    break;
+
+case 'mailview':
+    $a_user_prefs = array(
+        'message_extwin'  => intval($_POST['_message_extwin']),
+        'message_show_email' => isset($_POST['_message_show_email']),
+        'prefer_html'     => isset($_POST['_prefer_html']),
+        'inline_images'   => isset($_POST['_inline_images']),
+        'show_images'     => isset($_POST['_show_images']) ? intval($_POST['_show_images']) : 0,
+        'display_next'    => isset($_POST['_display_next']),
+        'default_charset' => rcube_utils::get_input_value('_default_charset', rcube_utils::INPUT_POST),
+    );
+
+    if ($a_user_prefs['default_charset'] && !preg_match('/^[a-zA-Z0-9-]+$/', $a_user_prefs['default_charset'])) {
+        $a_user_prefs['default_charset'] = $CONFIG['default_charset'];
+    }
+
+    break;
+
+case 'compose':
+    $a_user_prefs = array(
+        'compose_extwin'     => intval($_POST['_compose_extwin']),
+        'htmleditor'         => intval($_POST['_htmleditor']),
+        'draft_autosave'     => isset($_POST['_draft_autosave']) ? intval($_POST['_draft_autosave']) : 0,
+        'mime_param_folding' => isset($_POST['_mime_param_folding']) ? intval($_POST['_mime_param_folding']) : 0,
+        'force_7bit'         => isset($_POST['_force_7bit']),
+        'mdn_default'        => isset($_POST['_mdn_default']),
+        'dsn_default'        => isset($_POST['_dsn_default']),
+        'reply_same_folder'  => isset($_POST['_reply_same_folder']),
+        'spellcheck_before_send' => isset($_POST['_spellcheck_before_send']),
+        'spellcheck_ignore_syms' => isset($_POST['_spellcheck_ignore_syms']),
+        'spellcheck_ignore_nums' => isset($_POST['_spellcheck_ignore_nums']),
+        'spellcheck_ignore_caps' => isset($_POST['_spellcheck_ignore_caps']),
+        'show_sig'           => isset($_POST['_show_sig']) ? intval($_POST['_show_sig']) : 1,
+        'reply_mode'         => isset($_POST['_reply_mode']) ? intval($_POST['_reply_mode']) : 0,
+        'sig_below'          => isset($_POST['_sig_below']),
+        'strip_existing_sig' => isset($_POST['_strip_existing_sig']),
+        'sig_separator'      => isset($_POST['_sig_separator']),
+        'default_font'       => rcube_utils::get_input_value('_default_font', rcube_utils::INPUT_POST),
+        'default_font_size'  => rcube_utils::get_input_value('_default_font_size', rcube_utils::INPUT_POST),
+        'reply_all_mode'     => intval($_POST['_reply_all_mode']),
+        'forward_attachment' => !empty($_POST['_forward_attachment']),
+        'compose_save_localstorage' => intval($_POST['_compose_save_localstorage']),
+    );
+
+    break;
+
+case 'addressbook':
+    $a_user_prefs = array(
+        'default_addressbook'  => rcube_utils::get_input_value('_default_addressbook', rcube_utils::INPUT_POST, true),
+        'autocomplete_single'  => isset($_POST['_autocomplete_single']),
+        'addressbook_sort_col' => rcube_utils::get_input_value('_addressbook_sort_col', rcube_utils::INPUT_POST),
+        'addressbook_name_listing' => intval(rcube_utils::get_input_value('_addressbook_name_listing', rcube_utils::INPUT_POST)),
+        'addressbook_pagesize' => is_numeric($_POST['_addressbook_pagesize']) ? max(2, intval($_POST['_addressbook_pagesize'])) : $CONFIG['addressbook_pagesize'],
+    );
+
+    break;
+
+case 'server':
+    $a_user_prefs = array(
+        'read_when_deleted' => isset($_POST['_read_when_deleted']),
+        'skip_deleted'      => isset($_POST['_skip_deleted']),
+        'flag_for_deletion' => isset($_POST['_flag_for_deletion']),
+        'delete_always'     => isset($_POST['_delete_always']),
+        'delete_junk'       => isset($_POST['_delete_junk']),
+        'logout_purge'      => isset($_POST['_logout_purge']),
+        'logout_expunge'    => isset($_POST['_logout_expunge']),
+    );
+
+    break;
+
+case 'folders':
+    $a_user_prefs = array(
+        'show_real_foldernames' => isset($_POST['_show_real_foldernames']),
+        // stop using SPECIAL-USE (#4782)
+        'lock_special_folders'  => !in_array('lock_special_folders', (array) $CONFIG['dont_override']),
+    );
+
+    foreach (rcube_storage::$folder_types as $type) {
+        $a_user_prefs[$type . '_mbox'] = rcube_utils::get_input_value('_' . $type . '_mbox', rcube_utils::INPUT_POST, true);
+    };
+
+    break;
+}
+
+$plugin = rcmail::get_instance()->plugins->exec_hook('preferences_save',
+    array('prefs' => $a_user_prefs, 'section' => $CURR_SECTION));
+
+$a_user_prefs = $plugin['prefs'];
+
+// don't override these parameters
+foreach ((array)$CONFIG['dont_override'] as $p) {
+    $a_user_prefs[$p] = $CONFIG[$p];
+}
+
+
+// verify some options
+switch ($CURR_SECTION) {
+case 'general':
+    // switch UI language
+    if (isset($_POST['_language']) && $a_user_prefs['language'] != $_SESSION['language']) {
+        $RCMAIL->load_language($a_user_prefs['language']);
+        $OUTPUT->command('reload', 500);
+    }
+
+    // switch skin (if valid, otherwise unset the pref and fall back to default)
+    if (!$OUTPUT->set_skin($a_user_prefs['skin']))
+        unset($a_user_prefs['skin']);
+    else if ($RCMAIL->config->get('skin') != $a_user_prefs['skin'])
+        $OUTPUT->command('reload', 500);
+
+    $a_user_prefs['timezone'] = (string) $a_user_prefs['timezone'];
+
+    if (!empty($a_user_prefs['refresh_interval']) && !empty($CONFIG['min_refresh_interval'])) {
+        if ($a_user_prefs['refresh_interval'] < $CONFIG['min_refresh_interval']) {
+            $a_user_prefs['refresh_interval'] = $CONFIG['min_refresh_interval'];
+        }
+    }
+
+    break;
+
+case 'mailbox':
+    // force min size
+    if ($a_user_prefs['mail_pagesize'] < 1) {
+        $a_user_prefs['mail_pagesize'] = 10;
+    }
+
+    if (isset($CONFIG['max_pagesize']) && ($a_user_prefs['mail_pagesize'] > $CONFIG['max_pagesize'])) {
+        $a_user_prefs['mail_pagesize'] = (int) $CONFIG['max_pagesize'];
+    }
+
+    break;
+
+case 'addressbook':
+    // force min size
+    if ($a_user_prefs['addressbook_pagesize'] < 1) {
+        $a_user_prefs['addressbook_pagesize'] = 10;
+    }
+
+    if (isset($CONFIG['max_pagesize']) && ($a_user_prefs['addressbook_pagesize'] > $CONFIG['max_pagesize'])) {
+        $a_user_prefs['addressbook_pagesize'] = (int) $CONFIG['max_pagesize'];
+    }
+
+    break;
+
+case 'folders':
+    $storage  = $RCMAIL->get_storage();
+    $specials = array();
+
+    foreach (rcube_storage::$folder_types as $type) {
+        $specials[$type] = $a_user_prefs[$type . '_mbox'];
+    }
+
+    $storage->set_special_folders($specials);
+
+    break;
+}
+
+// Save preferences
+if (!$plugin['abort'])
+    $saved = $RCMAIL->user->save_prefs($a_user_prefs);
+else
+    $saved = $plugin['result'];
+
+if ($saved)
+    $OUTPUT->show_message('successfullysaved', 'confirmation');
+else
+    $OUTPUT->show_message($plugin['message'] ?: 'errorsaving', 'error');
+
+// display the form again
+$RCMAIL->overwrite_action('edit-prefs');