From bd0551b22076b82a6d49e9f7a2b2e0c90a1b2326 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 05 Feb 2016 07:25:27 -0500
Subject: [PATCH] Secure also downloads of addressbook exports, managesieve script exports and Enigma keys exports

---
 program/steps/addressbook/mailto.inc |   42 ++++++++++++++++++++----------------------
 1 files changed, 20 insertions(+), 22 deletions(-)

diff --git a/program/steps/addressbook/mailto.inc b/program/steps/addressbook/mailto.inc
index 7116e55..4258b7c 100644
--- a/program/steps/addressbook/mailto.inc
+++ b/program/steps/addressbook/mailto.inc
@@ -1,11 +1,11 @@
 <?php
 
-/*
+/**
  +-----------------------------------------------------------------------+
  | program/steps/addressbook/mailto.inc                                  |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2007, The Roundcube Dev Team                            |
+ | Copyright (C) 2007-2013, The Roundcube Dev Team                       |
  |                                                                       |
  | Licensed under the GNU General Public License version 3 or            |
  | any later version with exceptions for skins & plugins.                |
@@ -19,28 +19,25 @@
  +-----------------------------------------------------------------------+
 */
 
-$cids   = rcmail_get_cids();
-$mailto = array();
-$recipients = null;
+$cids    = rcmail_get_cids();
+$mailto  = array();
+$sources = array();
 
-foreach ($cids as $source => $cid)
-{
+foreach ($cids as $source => $cid) {
     $CONTACTS = $RCMAIL->get_address_book($source);
 
-    if ($CONTACTS->ready)
-    {
+    if ($CONTACTS->ready) {
         $CONTACTS->set_page(1);
         $CONTACTS->set_pagesize(count($cid) + 2); // +2 to skip counting query
-        $recipients = $CONTACTS->search($CONTACTS->primary_key, $cid, 0, true, true, 'email');
+        $sources[] = $CONTACTS->search($CONTACTS->primary_key, $cid, 0, true, true, 'email');
     }
 }
 
-if (!empty($_REQUEST['_gid']) && isset($_REQUEST['_source']))
-{
-    $source = rcube_utils::get_input_value('_source', rcube_utils::INPUT_GPC);
+if (!empty($_REQUEST['_gid']) && isset($_REQUEST['_source'])) {
+    $source   = rcube_utils::get_input_value('_source', rcube_utils::INPUT_GPC);
     $CONTACTS = $RCMAIL->get_address_book($source);
 
-    $group_id = rcube_utils::get_input_value('_gid', rcube_utils::INPUT_GPC);
+    $group_id   = rcube_utils::get_input_value('_gid', rcube_utils::INPUT_GPC);
     $group_data = $CONTACTS->get_group($group_id);
 
     // group has an email address assigned: use that
@@ -51,22 +48,23 @@
         $CONTACTS->set_group($group_id);
         $CONTACTS->set_page(1);
         $CONTACTS->set_pagesize(200); // limit somehow
-        $recipients = $CONTACTS->list_records();
+        $sources[] = $CONTACTS->list_records();
     }
 }
 
-if ($recipients)
-{
-    while (is_object($recipients) && ($rec = $recipients->iterate())) {
+foreach ($sources as $source) {
+    while (is_object($source) && ($rec = $source->iterate())) {
         $emails = $CONTACTS->get_col_values('email', $rec, true);
-        $mailto[] = format_email_recipient($emails[0], $rec['name']);
+
+        if (!empty($emails)) {
+            $mailto[] = format_email_recipient($emails[0], $rec['name']);
+        }
     }
 }
 
-if (!empty($mailto))
-{
+if (!empty($mailto)) {
     $mailto_str = join(', ', $mailto);
-    $mailto_id = substr(md5($mailto_str), 0, 16);
+    $mailto_id  = substr(md5($mailto_str), 0, 16);
     $_SESSION['mailto'][$mailto_id] = urlencode($mailto_str);
     $OUTPUT->command('open_compose_step', array('_mailto' => $mailto_id));
 }

--
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