From 4f69328132beae439d1aecb6d35d55392e480eca Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 12 Oct 2009 06:37:49 -0400
Subject: [PATCH] - Partially fixed "empty body" issue by showing raw body of malformed message (#1486166)

---
 program/include/rcube_imap.php |   15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index bfe2845..533f941 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -602,7 +602,8 @@
     if ($this->index_sort && $this->sort_field == 'date')
       {
         if ($this->skip_deleted) {
-          $msg_index = $this->_search_index($mailbox, 'ALL');
+          // @TODO: this could be cached
+	  $msg_index = $this->_search_index($mailbox, 'ALL UNDELETED');
           $max = max($msg_index);
           list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
           $msg_index = array_slice($msg_index, $begin, $end-$begin);
@@ -1225,6 +1226,16 @@
       else
         $this->struct_charset = $this->_structure_charset($structure);
 
+      // Here we can recognize malformed BODYSTRUCTURE and 
+      // 1. [@TODO] parse the message in other way to create our own message structure
+      // 2. or just show the raw message body.
+      // Example of structure for malformed MIME message:
+      // ("text" "plain" ("charset" "us-ascii") NIL NIL "7bit" 2154 70 NIL NIL NIL)
+      if ($headers->ctype && $headers->ctype != 'text/plain'
+	  && $structure[0] == 'text' && $structure[1] == 'plain') {
+	return false;  
+	}
+
       $struct = &$this->_structure_part($structure);
       $struct->headers = get_object_vars($headers);
 
@@ -1542,7 +1553,7 @@
     // convert charset (if text or message part)
     if ($o_part->ctype_primary=='text' || $o_part->ctype_primary=='message') {
       // assume default if no charset specified
-      if (empty($o_part->charset))
+      if (empty($o_part->charset) || strtolower($o_part->charset) == 'us-ascii')
         $o_part->charset = $this->default_charset;
 
       $body = rcube_charset_convert($body, $o_part->charset);

--
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