From bd73a86dadb2fccf24e0bef89e01e18bd91c5853 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 02 Jul 2013 09:50:19 -0400
Subject: [PATCH] Don't clear References and in-Reply-To when a message is "edited as new" (#1489216)

---
 program/steps/mail/compose.inc |   84 +++++++++++++++++++++++++++++-------------
 1 files changed, 58 insertions(+), 26 deletions(-)

diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index c166eb7..351ac72 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -139,12 +139,11 @@
 }
 // set current mailbox in client environment
 $OUTPUT->set_env('mailbox', $RCMAIL->storage->get_folder());
-$OUTPUT->set_env('sig_above', $RCMAIL->config->get('sig_above', false));
 $OUTPUT->set_env('top_posting', intval($RCMAIL->config->get('reply_mode')) > 0);
 $OUTPUT->set_env('recipients_separator', trim($RCMAIL->config->get('recipients_separator', ',')));
 
 // default font for HTML editor
-$font = rcube_fontdefs($RCMAIL->config->get('default_font', 'Verdana'));
+$font = rcube_fontdefs($RCMAIL->config->get('default_font'));
 if ($font && !is_array($font)) {
   $OUTPUT->set_env('default_font', $font);
 }
@@ -152,6 +151,7 @@
 // get reference message and set compose mode
 if ($msg_uid = $COMPOSE['param']['draft_uid']) {
   $compose_mode = RCUBE_COMPOSE_DRAFT;
+  $OUTPUT->set_env('draft_id', $msg_uid);
   $RCMAIL->storage->set_folder($CONFIG['drafts_mbox']);
 }
 else if ($msg_uid = $COMPOSE['param']['reply_uid']) {
@@ -219,10 +219,10 @@
       $COMPOSE['param']['sent_mbox'] = $sent_folder;
     }
   }
-  else if ($compose_mode == RCUBE_COMPOSE_DRAFT) {
-    if ($MESSAGE->headers->others['x-draft-info']) {
+  else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
+    if ($compose_mode == RCUBE_COMPOSE_DRAFT && ($draft_info = $MESSAGE->headers->get('x-draft-info'))) {
       // get reply_uid/forward_uid to flag the original message when sending
-      $info = rcmail_draftinfo_decode($MESSAGE->headers->others['x-draft-info']);
+      $info = rcmail_draftinfo_decode($draft_info);
 
       if ($info['type'] == 'reply')
         $COMPOSE['reply_uid'] = $info['uid'];
@@ -239,10 +239,10 @@
       }
     }
 
-    if ($MESSAGE->headers->in_reply_to)
-      $COMPOSE['reply_msgid'] = '<'.$MESSAGE->headers->in_reply_to.'>';
+    if ($in_reply_to = $MESSAGE->headers->get('in-reply-to'))
+      $COMPOSE['reply_msgid'] = '<' . $in_reply_to . '>';
 
-    $COMPOSE['references']  = $MESSAGE->headers->references;
+    $COMPOSE['references'] = $MESSAGE->headers->references;
   }
 }
 else {
@@ -327,6 +327,20 @@
         $fvalue .= $v;
       if ($v = $MESSAGE->headers->cc)
         $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+      // Use Sender header (#1489011)
+      if (($v = $MESSAGE->headers->get('Sender', false)) && strpos($v, '-bounces@') === false)
+        $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+
+      // When To: and Reply-To: are the same we add From: address to the list (#1489037)
+      if ($v = $MESSAGE->headers->from) {
+        $from    = rcube_mime::decode_address_list($v, null, false, $MESSAGE->headers->charset, true);
+        $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $MESSAGE->headers->charset, true);
+        $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $MESSAGE->headers->charset, true);
+
+        if (count($replyto) && !count(array_diff($to, $replyto)) && count(array_diff($from, $to))) {
+          $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+        }
+      }
     }
   }
   else if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT))) {
@@ -386,7 +400,7 @@
 {
   global $MESSAGE;
 
-  list($form_start, $form_end) = get_form_tags($attrib);
+  list($form_start,) = get_form_tags($attrib);
 
   $out  = '';
   $part = strtolower($attrib['part']);
@@ -450,7 +464,7 @@
 
 function rcmail_compose_header_from($attrib)
 {
-  global $MESSAGE, $OUTPUT, $RCMAIL, $compose_mode;
+  global $MESSAGE, $OUTPUT, $RCMAIL, $COMPOSE, $compose_mode;
 
   // pass the following attributes to the form class
   $field_attrib = array('name' => '_from');
@@ -461,7 +475,8 @@
   if (count($MESSAGE->identities))
   {
     $a_signatures = array();
-    $separator    = $RCMAIL->config->get('sig_above')
+    $identities   = array();
+    $separator    = intval($RCMAIL->config->get('reply_mode')) > 0
       && ($compose_mode == RCUBE_COMPOSE_REPLY || $compose_mode == RCUBE_COMPOSE_FORWARD) ? '---' : '-- ';
 
     $field_attrib['onchange'] = JS_OBJECT_NAME.".change_identity(this)";
@@ -498,12 +513,21 @@
         $a_signatures[$identity_id]['text'] = $text;
         $a_signatures[$identity_id]['html'] = $html;
       }
+
+      // add bcc and reply-to
+      if (!empty($sql_arr['reply-to'])) {
+        $identities[$identity_id]['replyto'] = $sql_arr['reply-to'];
+      }
+      if (!empty($sql_arr['bcc'])) {
+        $identities[$identity_id]['bcc'] = $sql_arr['bcc'];
+      }
     }
 
     $out = $select_from->show($MESSAGE->compose['from']);
 
     // add signatures to client
     $OUTPUT->set_env('signatures', $a_signatures);
+    $OUTPUT->set_env('identities', $identities);
   }
   // no identities, display text input field
   else {
@@ -553,7 +577,7 @@
 
 function rcmail_prepare_message_body()
 {
-  global $RCMAIL, $MESSAGE, $COMPOSE, $compose_mode, $LINE_LENGTH, $HTML_MODE;
+  global $RCMAIL, $MESSAGE, $COMPOSE, $compose_mode, $HTML_MODE;
 
   // use posted message body
   if (!empty($_POST['_message'])) {
@@ -571,7 +595,7 @@
     rcmail_write_forward_attachments();
   }
   // reply/edit/draft/forward
-  else if ($compose_mode && ($compose_mode != RCUBE_COMPOSE_REPLY || $RCMAIL->config->get('reply_mode') != -1)) {
+  else if ($compose_mode && ($compose_mode != RCUBE_COMPOSE_REPLY || intval($RCMAIL->config->get('reply_mode')) != -1)) {
     $isHtml = rcmail_compose_editor_mode();
 
     if (!empty($MESSAGE->parts)) {
@@ -626,7 +650,7 @@
 
 function rcmail_compose_part_body($part, $isHtml = false)
 {
-    global $RCMAIL, $MESSAGE, $compose_mode;
+    global $RCMAIL, $MESSAGE, $LINE_LENGTH, $compose_mode;
 
     // Check if we have enough memory to handle the message in it
     // #1487424: we need up to 10x more memory than the body
@@ -663,6 +687,11 @@
                     $body = rcmail_remove_signature($body);
                 }
             }
+
+            if ($part->ctype_parameters['format'] == 'flowed') {
+                $body = rcube_mime::unfold_flowed($body);
+            }
+
             // add HTML formatting
             $body = rcmail_plain_body($body);
             if ($body) {
@@ -702,7 +731,7 @@
 
 function rcmail_compose_body($attrib)
 {
-  global $RCMAIL, $CONFIG, $OUTPUT, $MESSAGE, $compose_mode, $LINE_LENGTH, $HTML_MODE, $MESSAGE_BODY;
+  global $RCMAIL, $CONFIG, $OUTPUT, $MESSAGE, $compose_mode, $HTML_MODE, $MESSAGE_BODY;
 
   list($form_start, $form_end) = get_form_tags($attrib);
   unset($attrib['form']);
@@ -886,8 +915,7 @@
   if (!isset($COMPOSE['forward_attachments']) && is_array($MESSAGE->mime_parts))
     $cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);
 
-  $date    = format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long'));
-  $charset = $RCMAIL->output->get_charset();
+  $date = format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long'));
 
   if (!$bodyIsHtml) {
     $prefix = "\n\n\n-------- " . rcube_label('originalmessage') . " --------\n";
@@ -941,7 +969,7 @@
 
 function rcmail_create_draft_body($body, $bodyIsHtml)
 {
-  global $MESSAGE, $OUTPUT, $COMPOSE;
+  global $MESSAGE, $COMPOSE;
 
   /**
    * add attachments
@@ -989,7 +1017,7 @@
   global $RCMAIL, $COMPOSE, $compose_mode;
 
   $loaded_attachments = array();
-  foreach ((array)$COMPOSE['attachments'] as $id => $attachment) {
+  foreach ((array)$COMPOSE['attachments'] as $attachment) {
       $loaded_attachments[$attachment['name'] . $attachment['mimetype']] = $attachment;
   }
 
@@ -997,14 +1025,16 @@
   foreach ((array)$message->mime_parts as $pid => $part)
   {
     if ($part->disposition == 'attachment' || ($part->disposition == 'inline' && $bodyIsHtml) || $part->filename) {
-      if (($part->ctype_primary == 'message' && $bodyIsHtml) || $part->ctype_primary == 'multipart') {
+      // skip parts that aren't valid attachments
+      if ($part->ctype_primary == 'multipart' || $part->mimetype == 'application/ms-tnef') {
         continue;
       }
-      if ($part->mimetype == 'application/ms-tnef') {
+      // skip message attachments in reply mode
+      if ($part->ctype_primary == 'message' && $compose_mode == RCUBE_COMPOSE_REPLY) {
         continue;
       }
-      // skip inline images when forwarding in plain text
-      if ($part->content_id && !$bodyIsHtml && $compose_mode == RCUBE_COMPOSE_FORWARD) {
+      // skip inline images when forwarding
+      if ($part->content_id && $part->disposition == 'inline' && $compose_mode == RCUBE_COMPOSE_FORWARD) {
         continue;
       }
 
@@ -1074,7 +1104,7 @@
   $names     = array();
 
   $loaded_attachments = array();
-  foreach ((array)$COMPOSE['attachments'] as $id => $attachment) {
+  foreach ((array)$COMPOSE['attachments'] as $attachment) {
       $loaded_attachments[$attachment['name'] . $attachment['mimetype']] = $attachment;
   }
 
@@ -1209,10 +1239,11 @@
 
   // handle attachments in memory
   $data = file_get_contents($path);
+  $name = rcmail_basename($path);
 
   $attachment = array(
     'group' => $COMPOSE['id'],
-    'name' => rcmail_basename($path),
+    'name' => $name,
     'mimetype' => $mimetype ? $mimetype : rc_mime_content_type($path, $name),
     'data' => $data,
     'size' => strlen($data),
@@ -1482,7 +1513,7 @@
   $select->add(Q(rcube_label('plaintoggle')), 'plain');
 
   return $select->show($useHtml ? 'html' : 'plain');
-
+/*
   foreach ($choices as $value => $text) {
     $attrib['id'] = '_' . $value;
     $attrib['value'] = $value;
@@ -1490,6 +1521,7 @@
   }
 
   return $selector;
+*/
 }
 
 

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