From 583850d00cb61771333a19ed57bef753ac140fe0 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 08 May 2008 05:07:04 -0400
Subject: [PATCH] - Corrected message headers decoding when charset isn't specified and improved   support for native languages (#1485050, #1485048)

---
 CHANGELOG                      |    2 ++
 program/include/rcube_imap.php |    2 +-
 program/steps/mail/func.inc    |   18 ++++++++++++------
 program/steps/mail/show.inc    |    2 +-
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index ecdd692..b63e610 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -6,6 +6,8 @@
 - Don't attempt to delete cache entries if enable_caching is FALSE (#1485051)
 - Optimized messages sorting on servers without sort capability (#1485049)
 - Option 'use_SQL_address_book' replaced by 'address_book_type'
+- Corrected message headers decoding when charset isn't specified and improved
+  support for native languages (#1485050, #1485048)
 
 2008/05/07 (davidke/richs)
 ----------
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 2716934..9acb60b 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -2361,7 +2361,7 @@
       }
       
     // no encoding information, use fallback
-    return rcube_charset_convert($input, !empty($fallback) ? $fallback : 'ISO-8859-1');
+    return rcube_charset_convert($input, !empty($fallback) ? $fallback : $this->default_charset);
     }
 
 
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 36bd4cb..073950a 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -232,16 +232,19 @@
     
     $out .= sprintf("<td class=\"icon\">%s</td>\n", $message_icon ? sprintf($image_tag, $skin_path, $message_icon, '') : '');
 
+    if (!empty($header->charset))
+      $IMAP->set_charset($header->charset);
+  
     // format each col
     foreach ($a_show_cols as $col)
       {
       if ($col=='from' || $col=='to')
-        $cont = Q(rcmail_address_string(rcube_imap::decode_mime_string($header->$col, $header->charset), 3, $attrib['addicon']), 'show');
+        $cont = Q(rcmail_address_string($header->$col, 3, $attrib['addicon']), 'show');
       else if ($col=='subject')
         {
         $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
         $uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draf_uid' : '_uid';
-        $cont = Q(rcube_imap::decode_mime_string($header->$col, $header->charset));
+        $cont = Q($IMAP->decode_header($header->$col));
         if (empty($cont)) $cont = Q(rcube_label('nosubject'));
         $cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
         }
@@ -321,16 +324,19 @@
     if (empty($header))
       continue;
 
+    if (!empty($header->charset))
+      $IMAP->set_charset($header->charset);
+
     // format each col; similar as in rcmail_message_list()
     foreach ($a_show_cols as $col)
       {
       if ($col=='from' || $col=='to')
-        $cont = Q(rcmail_address_string(rcube_imap::decode_mime_string($header->$col, $header->charset), 3), 'show');
+        $cont = Q(rcmail_address_string($header->$col, 3), 'show');
       else if ($col=='subject')
         {
         $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
         $uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draf_uid' : '_uid';
-        $cont = Q(rcube_imap::decode_mime_string($header->$col, $header->charset));
+        $cont = Q($IMAP->decode_header($header->$col));
         if (!$cont) $cont = Q(rcube_label('nosubject'));
         $cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
         }
@@ -974,7 +980,7 @@
     else if (in_array($hkey, array('from', 'to', 'cc', 'bcc', 'reply-to')))
       $header_value = Q(rcmail_address_string($headers[$hkey], NULL, $attrib['addicon']), 'show');
     else
-      $header_value = Q(rcube_imap::decode_mime_string($headers[$hkey], $headers['charset']));
+      $header_value = Q($IMAP->decode_header($headers[$hkey]));
 
     $out .= "\n<tr>\n";
     $out .= '<td class="header-title">'.Q(rcube_label($hkey)).":&nbsp;</td>\n";
@@ -1466,7 +1472,7 @@
   
   $message = array('UID' => $uid);
   $message['headers'] = $IMAP->get_headers($message['UID']);
-  $message['subject'] = rcube_imap::decode_mime_string($message['headers']->subject, $message['headers']->charset);
+  $message['subject'] = $IMAP->decode_header($message['headers']->subject);
   
   if ($message['headers']->mdn_to && !$message['headers']->mdn_sent)
   {
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 8062f45..daf2e08 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -61,7 +61,7 @@
   else if (empty($CONFIG['devel_mode']))
     send_modified_header($_SESSION['login_time'], $etag, !$MESSAGE['headers']->seen);
 
-  $MESSAGE['subject'] = rcube_imap::decode_mime_string($MESSAGE['headers']->subject, $MESSAGE['headers']->charset);
+  $MESSAGE['subject'] = $IMAP->decode_header($MESSAGE['headers']->subject);
   $OUTPUT->set_pagetitle($MESSAGE['subject']);
   
   if ($MESSAGE['structure'] = $IMAP->get_structure($MESSAGE['UID']))

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