Merge pull request #6 from b1-systems/add-option-mail-received-header

Adds an option to toggle the `Received` headers for HTTP connections in Compose.

Author: ralflang

config/conf.xml

@@ -60,6 +60,10 @@
    <configinteger name="htmlsig_img_size" desc="The maximum cumulative size of
    image data that can be contained within the signature. 0 will disable
    this limit (NOT RECOMMENDED).">30000</configinteger>
+   <configheader>Add Received header</configheader>
+   <configboolean name="add_received_header" desc="Adds a header to the mail to
+   indicate that Horde received the mail via HTTPS, and exposes the client IP
+   address.">true</configboolean>
   </configsection>
  </configtab>
 

lib/Compose.php

@@ -745,7 +745,7 @@ public function buildAndSendMessage(
         $body, $header, IMP_Prefs_Identity $identity, array $opts = array()
     )
     {
-        global $injector, $prefs, $registry, $session;
+        global $injector, $prefs, $registry, $session, $conf;
 
         /* Set up defaults. */
         $opts = array_merge(array(
@@ -798,9 +798,11 @@ public function buildAndSendMessage(
         $headers = $this->_prepareHeaders($header, $opts);
 
         /* Add a Received header for the hop from browser to server. */
-        $headers->addHeaderOb(
-            Horde_Core_Mime_Headers_Received::createHordeHop()
-        );
+        if (!isset($conf['compose']['add_received_header']) || ($conf['compose']['add_received_header'] === true)) {
+            $headers->addHeaderOb(
+                Horde_Core_Mime_Headers_Received::createHordeHop()
+            );
+        }
 
         /* Add the 'User-Agent' header. */
         $headers->addHeaderOb(new Horde_Mime_Headers_UserAgent(