--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/program/steps/mail/addcontact.inc	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,93 @@
+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | program/steps/mail/addcontact.inc                                     |
+ |                                                                       |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2013, 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:                                                              |
+ |   Add the submitted contact to the users address book                 |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+*/
+
+// only process ajax requests
+if (!$OUTPUT->ajax_call) {
+    return;
+}
+
+// Get default addressbook
+$CONTACTS = $RCMAIL->get_address_book(-1, true);
+
+if (!empty($_POST['_address']) && is_object($CONTACTS)) {
+    $address = rcube_utils::get_input_value('_address', rcube_utils::INPUT_POST, true);
+    $contact_arr = rcube_mime::decode_address_list($address, 1, false);
+
+    if (!empty($contact_arr[1]['mailto'])) {
+        $contact = array(
+            'email' => $contact_arr[1]['mailto'],
+            'name'  => $contact_arr[1]['name'],
+        );
+
+        // Validity checks
+        if (empty($contact['email'])) {
+            $OUTPUT->show_message('errorsavingcontact', 'error');
+            $OUTPUT->send();
+        }
+
+        $email = rcube_utils::idn_to_ascii($contact['email']);
+        if (!rcube_utils::check_email($email, false)) {
+            $OUTPUT->show_message('emailformaterror', 'error', array('email' => $contact['email']));
+            $OUTPUT->send();
+        }
+
+        $contact['email'] = rcube_utils::idn_to_utf8($contact['email']);
+
+        $contact = $RCMAIL->plugins->exec_hook('contact_displayname', $contact);
+
+        if (empty($contact['firstname']) || empty($contact['surname'])) {
+            $contact['name'] = rcube_addressbook::compose_display_name($contact);
+        }
+
+        // validate contact record
+        if (!$CONTACTS->validate($contact, true)) {
+            $error = $CONTACTS->get_error();
+            // TODO: show dialog to complete record
+            // if ($error['type'] == rcube_addressbook::ERROR_VALIDATE) { }
+
+            $OUTPUT->show_message($error['message'] ?: 'errorsavingcontact', 'error');
+            $OUTPUT->send();
+        }
+
+        // check for existing contacts
+        $existing = $CONTACTS->search('email', $contact['email'], 1, false);
+
+        if ($done = $existing->count) {
+            $OUTPUT->show_message('contactexists', 'warning');
+        }
+        else {
+            $plugin = $RCMAIL->plugins->exec_hook('contact_create', array('record' => $contact, 'source' => null));
+            $contact = $plugin['record'];
+
+            $done = !$plugin['abort'] ? $CONTACTS->insert($contact) : $plugin['result'];
+
+            if ($done) {
+                $OUTPUT->show_message('addedsuccessfully', 'confirmation');
+            }
+        }
+    }
+}
+
+if (!$done) {
+    $OUTPUT->show_message($plugin['message'] ?: 'errorsavingcontact', 'error');
+}
+
+$OUTPUT->send();