--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/program/steps/mail/mark.inc	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,176 @@
+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | program/steps/mail/mark.inc                                           |
+ |                                                                       |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2014, 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:                                                              |
+ |   Mark the submitted messages with the specified flag                 |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+*/
+
+// only process ajax requests
+if (!$OUTPUT->ajax_call) {
+    return;
+}
+
+$threading    = (bool) $RCMAIL->storage->get_threading();
+$skip_deleted = (bool) $RCMAIL->config->get('skip_deleted');
+$read_deleted = (bool) $RCMAIL->config->get('read_when_deleted');
+
+$a_flags_map  = array(
+    'undelete'  => 'UNDELETED',
+    'delete'    => 'DELETED',
+    'read'      => 'SEEN',
+    'unread'    => 'UNSEEN',
+    'flagged'   => 'FLAGGED',
+    'unflagged' => 'UNFLAGGED',
+);
+
+$_uids   = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
+$flag    = rcube_utils::get_input_value('_flag', rcube_utils::INPUT_POST);
+$folders = rcube_utils::get_input_value('_folders', rcube_utils::INPUT_POST);
+$mbox    = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
+
+if ($_uids && $flag) {
+    $flag = $a_flags_map[$flag] ?: strtoupper($flag);
+
+    if ($flag == 'DELETED' && $skip_deleted && $_POST['_from'] != 'show') {
+        // count messages before changing anything
+        $old_count = $RCMAIL->storage->count(NULL, $threading ? 'THREADS' : 'ALL');
+        $old_pages = ceil($old_count / $RCMAIL->storage->get_pagesize());
+    }
+
+    if ($folders == 'all') {
+        $mboxes = $RCMAIL->storage->list_folders_subscribed('', '*', 'mail');
+        $input  = array_combine($mboxes, array_fill(0, count($mboxes), '*'));
+    }
+    else if ($folders == 'sub') {
+        $delim  = $RCMAIL->storage->get_hierarchy_delimiter();
+        $mboxes = $RCMAIL->storage->list_folders_subscribed($mbox . $delim, '*', 'mail');
+        array_unshift($mboxes, $mbox);
+        $input = array_combine($mboxes, array_fill(0, count($mboxes), '*'));
+    }
+    else if ($folders == 'cur') {
+        $input = array($mbox => '*');
+    }
+    else {
+        $input = rcmail::get_uids();
+    }
+
+    foreach ($input as $mbox => $uids) {
+        $marked += (int)$RCMAIL->storage->set_flag($uids, $flag, $mbox);
+        $count += count($uids);
+    }
+
+    if (!$marked) {
+        // send error message
+        if ($_POST['_from'] != 'show') {
+            $OUTPUT->command('list_mailbox');
+        }
+
+        $RCMAIL->display_server_error('errormarking');
+        $OUTPUT->send();
+        exit;
+    }
+    else if (empty($_POST['_quiet'])) {
+        $OUTPUT->show_message('messagemarked', 'confirmation');
+    }
+
+    if ($flag == 'DELETED' && $read_deleted && !empty($_POST['_ruid'])) {
+        $ruids = rcube_utils::get_input_value('_ruid', rcube_utils::INPUT_POST);
+        foreach (rcmail::get_uids($ruids) as $mbox => $uids) {
+            $read += (int)$RCMAIL->storage->set_flag($uids, 'SEEN', $mbox);
+        }
+
+        if ($read && !$skip_deleted) {
+            $OUTPUT->command('flag_deleted_as_read', $ruids);
+        }
+    }
+
+    if ($flag == 'SEEN' || $flag == 'UNSEEN' || ($flag == 'DELETED' && !$skip_deleted)) {
+        foreach ($input as $mbox => $uids) {
+            rcmail_send_unread_count($mbox);
+        }
+
+        $OUTPUT->set_env('last_flag', $flag);
+    }
+    else if ($flag == 'DELETED' && $skip_deleted) {
+        if ($_POST['_from'] == 'show') {
+            if ($next = rcube_utils::get_input_value('_next_uid', rcube_utils::INPUT_GPC))
+                $OUTPUT->command('show_message', $next);
+            else
+                $OUTPUT->command('command', 'list');
+        }
+        else {
+            $search_request = rcube_utils::get_input_value('_search', rcube_utils::INPUT_GPC);
+
+            // refresh saved search set after moving some messages
+            if ($search_request && $RCMAIL->storage->get_search_set()) {
+                $_SESSION['search'] = $RCMAIL->storage->refresh_search();
+            }
+
+            $msg_count      = $RCMAIL->storage->count(NULL, $threading ? 'THREADS' : 'ALL');
+            $page_size      = $RCMAIL->storage->get_pagesize();
+            $page           = $RCMAIL->storage->get_page();
+            $pages          = ceil($msg_count / $page_size);
+            $nextpage_count = $old_count - $page_size * $page;
+            $remaining      = $msg_count - $page_size * ($page - 1);
+
+            // jump back one page (user removed the whole last page)
+            if ($page > 1 && $remaining == 0) {
+                $page -= 1;
+                $RCMAIL->storage->set_page($page);
+                $_SESSION['page'] = $page;
+                $jump_back = true;
+            }
+
+            // update message count display
+            $OUTPUT->set_env('messagecount', $msg_count);
+            $OUTPUT->set_env('current_page', $page);
+            $OUTPUT->set_env('pagecount', $pages);
+
+            // update mailboxlist
+            $mbox         = $RCMAIL->storage->get_folder();
+            $unseen_count = $msg_count ? $RCMAIL->storage->count($mbox, 'UNSEEN') : 0;
+            $old_unseen   = rcmail_get_unseen_count($mbox);
+
+            if ($old_unseen != $unseen_count) {
+                $OUTPUT->command('set_unread_count', $mbox, $unseen_count, ($mbox == 'INBOX'));
+                rcmail_set_unseen_count($mbox, $unseen_count);
+            }
+
+            $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text($msg_count), $mbox);
+
+            if ($threading) {
+                $count = rcube_utils::get_input_value('_count', rcube_utils::INPUT_POST);
+            }
+
+            // add new rows from next page (if any)
+            if ($old_count && $_uids != '*' && ($jump_back || $nextpage_count > 0)) {
+                // #5862: Don't add more rows than it was on the next page
+                $count = $jump_back ? null : min($nextpage_count, $count);
+
+                $a_headers = $RCMAIL->storage->list_messages($mbox, null,
+                    rcmail_sort_column(), rcmail_sort_order(), $count);
+
+                rcmail_js_message_list($a_headers, false);
+            }
+        }
+    }
+}
+else {
+    $OUTPUT->show_message('internalerror', 'error');
+}
+
+$OUTPUT->send();