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/lib/Roundcube/rcube_smtp.php |   39 ++++++++++++++++++++++-----------------
 1 files changed, 22 insertions(+), 17 deletions(-)

diff --git a/program/lib/Roundcube/rcube_smtp.php b/program/lib/Roundcube/rcube_smtp.php
index a2d130e..fc3f28c 100644
--- a/program/lib/Roundcube/rcube_smtp.php
+++ b/program/lib/Roundcube/rcube_smtp.php
@@ -47,7 +47,7 @@
      *
      * @return bool  Returns true on success, or false on error
      */
-    public function connect($host=null, $port=null, $user=null, $pass=null)
+    public function connect($host = null, $port = null, $user = null, $pass = null)
     {
         $rcube = rcube::get_instance();
 
@@ -59,10 +59,10 @@
 
         // let plugins alter smtp connection config
         $CONFIG = $rcube->plugins->exec_hook('smtp_connect', array(
-            'smtp_server'    => $host ? $host : $rcube->config->get('smtp_server'),
-            'smtp_port'      => $port ? $port : $rcube->config->get('smtp_port', 25),
-            'smtp_user'      => $user ? $user : $rcube->config->get('smtp_user'),
-            'smtp_pass'      => $pass ? $pass : $rcube->config->get('smtp_pass'),
+            'smtp_server'    => $host ?: $rcube->config->get('smtp_server'),
+            'smtp_port'      => $port ?: $rcube->config->get('smtp_port', 25),
+            'smtp_user'      => $user !== null ? $user : $rcube->config->get('smtp_user'),
+            'smtp_pass'      => $pass !== null ? $pass : $rcube->config->get('smtp_pass'),
             'smtp_auth_cid'  => $rcube->config->get('smtp_auth_cid'),
             'smtp_auth_pw'   => $rcube->config->get('smtp_auth_pw'),
             'smtp_auth_type' => $rcube->config->get('smtp_auth_type'),
@@ -127,9 +127,12 @@
         $result = $this->conn->connect($CONFIG['smtp_timeout']);
 
         if (is_a($result, 'PEAR_Error')) {
-            $this->response[] = "Connection failed: ".$result->getMessage();
-            $this->error = array('label' => 'smtpconnerror', 'vars' => array('code' => $this->conn->_code));
+            $this->response[] = "Connection failed: " . $result->getMessage();
+
+            list($code,) = $this->conn->getResponse();
+            $this->error = array('label' => 'smtpconnerror', 'vars' => array('code' => $code));
             $this->conn  = null;
+
             return false;
         }
 
@@ -142,7 +145,7 @@
 
         $smtp_user = str_replace('%u', $rcube->get_user_name(), $CONFIG['smtp_user']);
         $smtp_pass = str_replace('%p', $rcube->get_user_password(), $CONFIG['smtp_pass']);
-        $smtp_auth_type = empty($CONFIG['smtp_auth_type']) ? NULL : $CONFIG['smtp_auth_type'];
+        $smtp_auth_type = $CONFIG['smtp_auth_type'] ?: null;
 
         if (!empty($CONFIG['smtp_auth_cid'])) {
             $smtp_authz = $smtp_user;
@@ -160,10 +163,14 @@
             $result = $this->conn->auth($smtp_user, $smtp_pass, $smtp_auth_type, $use_tls, $smtp_authz);
 
             if (is_a($result, 'PEAR_Error')) {
-                $this->error = array('label' => 'smtpautherror', 'vars' => array('code' => $this->conn->_code));
-                $this->response[] .= 'Authentication failure: ' . $result->getMessage() . ' (Code: ' . $result->getCode() . ')';
+                list($code,) = $this->conn->getResponse();
+                $this->error = array('label' => 'smtpautherror', 'vars' => array('code' => $code));
+                $this->response[] = 'Authentication failure: ' . $result->getMessage()
+                    . ' (Code: ' . $result->getCode() . ')';
+
                 $this->reset();
                 $this->disconnect();
+
                 return false;
             }
         }
@@ -207,11 +214,6 @@
         }
         else if (is_string($headers)) {
             $text_headers = $headers;
-        }
-        else {
-            $this->reset();
-            $this->response[] = "Invalid message headers";
-            return false;
         }
 
         // exit if no from address is given
@@ -275,8 +277,11 @@
 
         if (is_resource($body)) {
             // file handle
-            $data         = $body;
-            $text_headers = preg_replace('/[\r\n]+$/', '', $text_headers);
+            $data = $body;
+
+            if ($text_headers) {
+                $text_headers = preg_replace('/[\r\n]+$/', '', $text_headers);
+            }
         }
         else {
             // Concatenate headers and body so it can be passed by reference to SMTP_CONN->data

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