From 1088d667458ae03a54fcb4b8d290f6218e84d304 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 05 May 2008 05:59:56 -0400
Subject: [PATCH] - Do charset conversion also for from/to column on messages list

---
 program/steps/mail/func.inc |  352 ++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 316 insertions(+), 36 deletions(-)

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index dd38016..34586dd 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -19,8 +19,8 @@
 
 */
 
-require_once('lib/html2text.inc');
 require_once('lib/enriched.inc');
+require_once('include/rcube_smtp.inc');
 
 
 $EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i';
@@ -47,7 +47,11 @@
 
 // set message set for search result
 if (!empty($_REQUEST['_search']) && isset($_SESSION['search'][$_REQUEST['_search']]))
+  {
   $IMAP->set_search_set($_SESSION['search'][$_REQUEST['_search']]);
+  $OUTPUT->set_env('search_request', $_REQUEST['_search']);
+  $OUTPUT->set_env('search_text', $_SESSION['last_text_search']);
+  }
 
 
 // define url for getting message parts
@@ -67,11 +71,11 @@
   $OUTPUT->set_env('junk_mailbox', $CONFIG['junk_mbox']);
 
 if (!$OUTPUT->ajax_call)
-  rcube_add_label('checkingmail', 'deletemessage', 'movemessagetotrash');
+  rcube_add_label('checkingmail', 'deletemessage', 'movemessagetotrash', 'movingmessage');
 
 // set page title
-if (empty($_action) || $_action == 'list')
-  $OUTPUT->set_pagetitle(rcube_charset_convert($IMAP->get_mailbox_name(), 'UTF-7'));
+if (empty($RCMAIL->action) || $RCMAIL->action == 'list')
+  $OUTPUT->set_pagetitle(rcmail_localize_foldername($IMAP->get_mailbox_name()));
 
 
 
@@ -227,12 +231,12 @@
                     $zebra_class);    
     
     $out .= sprintf("<td class=\"icon\">%s</td>\n", $message_icon ? sprintf($image_tag, $skin_path, $message_icon, '') : '');
-    
+
     // format each col
     foreach ($a_show_cols as $col)
       {
       if ($col=='from' || $col=='to')
-        $cont = Q(rcmail_address_string($header->$col, 3, $attrib['addicon']), 'show');
+        $cont = Q(rcmail_address_string(rcube_imap::decode_mime_string($header->$col, $header->charset), 3, $attrib['addicon']), 'show');
       else if ($col=='subject')
         {
         $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
@@ -285,6 +289,7 @@
     $OUTPUT->set_env('attachmenticon', $skin_path . $attrib['attachmenticon']);
   
   $OUTPUT->set_env('messages', $a_js_message_arr);
+  $OUTPUT->set_env('coltypes', $a_show_cols);
   
   $OUTPUT->include_script('list.js');
   
@@ -320,7 +325,7 @@
     foreach ($a_show_cols as $col)
       {
       if ($col=='from' || $col=='to')
-        $cont = Q(rcmail_address_string($header->$col, 3), 'show');
+        $cont = Q(rcmail_address_string(rcube_imap::decode_mime_string($header->$col, $header->charset), 3), 'show');
       else if ($col=='subject')
         {
         $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
@@ -402,30 +407,43 @@
   if (!$attrib['id'])
     $attrib['id'] = 'rcmquotadisplay';
 
+  if(isset($attrib['display']))
+    $_SESSION['quota_display'] = $attrib['display'];
+
   $OUTPUT->add_gui_object('quotadisplay', $attrib['id']);
 
   // allow the following attributes to be added to the <span> tag
-  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
+  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'display'));
 
   $out = '<span' . $attrib_str . '>';
-  $out .= rcmail_quota_content($attrib['display']);
+  $out .= rcmail_quota_content();
   $out .= '</span>';
   return $out;
   }
 
 
-function rcmail_quota_content($display)
+function rcmail_quota_content($quota=NULL)
   {
   global $IMAP, $COMM_PATH;
 
-  if (!$IMAP->get_capability('QUOTA'))
-    $quota_text = rcube_label('unknown');
-  else if ($quota = $IMAP->get_quota())
+  $display = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
+
+  if (is_array($quota) && !empty($quota['used']) && !empty($quota['total']))
     {
-    $quota_text = sprintf("%s / %s (%.0f%%)",
-                          show_bytes($quota["used"] * 1024),
-                          show_bytes($quota["total"] * 1024),
-                          $quota["percent"]);
+      if (!isset($quota['percent']))
+        $quota['percent'] = $quota['used'] / $quota['total'];
+    }
+  elseif (!$IMAP->get_capability('QUOTA'))
+    return rcube_label('unknown');
+  else
+    $quota = $IMAP->get_quota();
+
+  if ($quota)
+    {
+    $quota_text = sprintf('%s / %s (%.0f%%)',
+                          show_bytes($quota['used'] * 1024),
+                          show_bytes($quota['total'] * 1024),
+                          $quota['percent']);
 
     // show quota as image (by Brett Patterson)
     if ($display == 'image' && function_exists('imagegif'))
@@ -473,6 +491,127 @@
                                               'count' => $max)));
 
   return Q($out);
+  }
+
+
+/* Stolen from Squirrelmail */
+function sq_deent(&$attvalue, $regex, $hex=false)
+  {
+  $ret_match = false;
+  preg_match_all($regex, $attvalue, $matches);
+  if (is_array($matches) && sizeof($matches[0]) > 0)
+    {
+    $repl = Array();
+    for ($i = 0; $i < sizeof($matches[0]); $i++)
+      {
+      $numval = $matches[1][$i];
+      if ($hex)
+        $numval = hexdec($numval);
+      $repl{$matches[0][$i]} = chr($numval);
+      }
+    $attvalue = strtr($attvalue, $repl);
+    return true;
+    }
+  else
+    return false;
+  }
+
+
+/* Stolen verbatim from Squirrelmail */
+function sq_defang(&$attvalue)
+  {
+  /* Skip this if there aren't ampersands or backslashes. */
+  if ((strpos($attvalue, '&') === false) &&
+      (strpos($attvalue, '\\') === false))
+    return;
+  $m = false;
+  do
+    {
+    $m = false;
+    $m = $m || sq_deent($attvalue, '/\&#0*(\d+);*/s');
+    $m = $m || sq_deent($attvalue, '/\&#x0*((\d|[a-f])+);*/si', true);
+    $m = $m || sq_deent($attvalue, '/\\\\(\d+)/s', true);
+    } while ($m == true);
+  $attvalue = stripslashes($attvalue);
+  }
+
+
+function rcmail_html_filter($html)
+  {
+  preg_match_all('/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|\'.*?\'|[^\'">\s]+))?)+\s*|\s*)\/?>/', $html, $tags);
+
+  /* From Squirrelmail: Translate all dangerous Unicode or Shift_JIS characters which are accepted by
+   * IE as regular characters. */
+  $replace = array(array('&#x029F;', '&#0671;',  /* L UNICODE IPA Extension */
+                         '&#x0280;', '&#0640;',  /* R UNICODE IPA Extension */
+                         '&#x0274;', '&#0628;',  /* N UNICODE IPA Extension */
+                         '&#xFF25;', '&#65317;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER E */
+                         '&#xFF45;', '&#65349;', /* Unicode FULLWIDTH LATIN SMALL LETTER E */
+                         '&#xFF38;', '&#65336;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER X */
+                         '&#xFF58;', '&#65368;', /* Unicode FULLWIDTH LATIN SMALL LETTER X */
+                         '&#xFF30;', '&#65328;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER P */
+                         '&#xFF50;', '&#65360;', /* Unicode FULLWIDTH LATIN SMALL LETTER P */
+                         '&#xFF32;', '&#65330;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER R */
+                         '&#xFF52;', '&#65362;', /* Unicode FULLWIDTH LATIN SMALL LETTER R */
+                         '&#xFF33;', '&#65331;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER S */
+                         '&#xFF53;', '&#65363;', /* Unicode FULLWIDTH LATIN SMALL LETTER S */
+                         '&#xFF29;', '&#65321;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER I */
+                         '&#xFF49;', '&#65353;', /* Unicode FULLWIDTH LATIN SMALL LETTER I */
+                         '&#xFF2F;', '&#65327;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER O */
+                         '&#xFF4F;', '&#65359;', /* Unicode FULLWIDTH LATIN SMALL LETTER O */
+                         '&#xFF2E;', '&#65326;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER N */
+                         '&#xFF4E;', '&#65358;', /* Unicode FULLWIDTH LATIN SMALL LETTER N */
+                         '&#xFF2C;', '&#65324;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER L */
+                         '&#xFF4C;', '&#65356;', /* Unicode FULLWIDTH LATIN SMALL LETTER L */
+                         '&#xFF35;', '&#65333;', /* Unicode FULLWIDTH LATIN CAPITAL LETTER U */
+                         '&#xFF55;', '&#65365;', /* Unicode FULLWIDTH LATIN SMALL LETTER U */
+                         '&#x207F;', '&#8319;' , /* Unicode SUPERSCRIPT LATIN SMALL LETTER N */
+                         "\xEF\xBC\xA5", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER E */
+                                         /* in unicode this is some Chinese char range */
+                         "\xEF\xBD\x85", /* Shift JIS FULLWIDTH LATIN SMALL LETTER E */
+                         "\xEF\xBC\xB8", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER X */
+                         "\xEF\xBD\x98", /* Shift JIS FULLWIDTH LATIN SMALL LETTER X */
+                         "\xEF\xBC\xB0", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER P */
+                         "\xEF\xBD\x90", /* Shift JIS FULLWIDTH LATIN SMALL LETTER P */
+                         "\xEF\xBC\xB2", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER R */
+                         "\xEF\xBD\x92", /* Shift JIS FULLWIDTH LATIN SMALL LETTER R */
+                         "\xEF\xBC\xB3", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER S */
+                         "\xEF\xBD\x93", /* Shift JIS FULLWIDTH LATIN SMALL LETTER S */
+                         "\xEF\xBC\xA9", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER I */
+                         "\xEF\xBD\x89", /* Shift JIS FULLWIDTH LATIN SMALL LETTER I */
+                         "\xEF\xBC\xAF", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER O */
+                         "\xEF\xBD\x8F", /* Shift JIS FULLWIDTH LATIN SMALL LETTER O */
+                         "\xEF\xBC\xAE", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER N */
+                         "\xEF\xBD\x8E", /* Shift JIS FULLWIDTH LATIN SMALL LETTER N */
+                         "\xEF\xBC\xAC", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER L */
+                         "\xEF\xBD\x8C", /* Shift JIS FULLWIDTH LATIN SMALL LETTER L */
+                         "\xEF\xBC\xB5", /* Shift JIS FULLWIDTH LATIN CAPITAL LETTER U */
+                         "\xEF\xBD\x95", /* Shift JIS FULLWIDTH LATIN SMALL LETTER U */
+                         "\xE2\x81\xBF", /* Shift JIS FULLWIDTH SUPERSCRIPT N */
+                         "\xCA\x9F",   /* L UNICODE IPA Extension */
+                         "\xCA\x80",   /* R UNICODE IPA Extension */
+                         "\xC9\xB4"),  /* N UNICODE IPA Extension */
+                   array('l', 'l', 'r', 'r', 'n', 'n', 'E', 'E', 'e', 'e', 'X', 'X', 'x', 'x',
+                         'P', 'P', 'p', 'p', 'R', 'R', 'r', 'r', 'S', 'S', 's', 's', 'I', 'I',
+                         'i', 'i', 'O', 'O', 'o', 'o', 'N', 'N', 'n', 'n', 'L', 'L', 'l', 'l',
+                         'U', 'U', 'u', 'u', 'n', 'n', 'E', 'e', 'X', 'x', 'P', 'p', 'R', 'r',
+                         'S', 's', 'I', 'i', 'O', 'o', 'N', 'n', 'L', 'l', 'U', 'u', 'n', 'l', 'r', 'n'));
+  if ((count($tags)>3) && (count($tags[3])>0))
+    foreach ($tags[3] as $nr=>$value)
+      {
+      /* Remove comments */
+      $newvalue = preg_replace('/(\/\*.*\*\/)/','$2',$value);
+      /* Translate dangerous characters */
+      $newvalue = str_replace($replace[0], $replace[1], $newvalue);
+      sq_defang($newvalue);
+      /* Rename dangerous CSS */
+      $newvalue = preg_replace('/expression/i', 'idiocy', $newvalue);
+      $newvalue = preg_replace('/url/i', 'idiocy', $newvalue);
+      $newattrs = preg_replace('/'.preg_quote($value, '/').'$/', $newvalue, $tags[1][$nr]);
+      $newtag = preg_replace('/'.preg_quote($tags[1][$nr], '/').'/', $newattrs, $tags[0][$nr]);
+      $html = preg_replace('/'.preg_quote($tags[0][$nr], '/').'/', $newtag, $html);
+      }
+  return $html;
   }
 
 
@@ -527,7 +666,7 @@
       $body = preg_replace($remote_patterns, $remote_replaces, $body);
       }
 
-    return Q($body, 'show', FALSE);
+    return Q(rcmail_html_filter($body), 'show', FALSE);
     }
 
   // text/enriched
@@ -552,8 +691,8 @@
     $convert_patterns[] = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/ie';
     $convert_replaces[] = "rcmail_str_replacement('<a href=\"mailto:\\1\" onclick=\"return ".JS_OBJECT_NAME.".command(\'compose\',\'\\1\',this)\">\\1</a>', \$replace_strings)";
     
-    if ($part->ctype_parameters['format'] != 'flowed')
-      $body = wordwrap(trim($body), 80);
+//    if ($part->ctype_parameters['format'] != 'flowed')
+//      $body = wordwrap(trim($body), 80);
 
     $body = preg_replace($convert_patterns, $convert_replaces, $body);
 
@@ -568,10 +707,10 @@
       $quotation = '';
       $q = 0;
       
-      if (preg_match('/^(>+\s*)/', $line, $regs))
+      if (preg_match('/^(>+\s*)+/', $line, $regs))
         {
-        $q = strlen(preg_replace('/\s/', '', $regs[1]));
-        $line = substr($line, strlen($regs[1]));
+        $q    = strlen(preg_replace('/\s/', '', $regs[0]));
+        $line = substr($line, strlen($regs[0]));
 
         if ($q > $quote_level)
           $quotation = str_repeat('<blockquote>', $q - $quote_level);
@@ -633,7 +772,7 @@
     $structure->type = 'content';
     $a_return_parts[] = &$structure;
     }
-
+    
   // message contains alternative parts
   else if ($message_ctype_primary=='multipart' && $message_ctype_secondary=='alternative' && is_array($structure->parts))
     {
@@ -725,7 +864,7 @@
 
       // part text/[plain|html] OR message/delivery-status
       else if (($primary_type=='text' && ($secondary_type=='plain' || $secondary_type=='html') && $mail_part->disposition!='attachment') ||
-               ($primary_type=='message' && $secondary_type=='delivery-status'))
+               ($primary_type=='message' && ($secondary_type=='delivery-status' || $secondary_type=='disposition-notification')))
         {
         $mail_part->type = 'content';
         $a_return_parts[] = $mail_part;
@@ -739,6 +878,10 @@
         $a_return_parts = array_merge($a_return_parts, $parts);
         $a_attachments = array_merge($a_attachments, $attachmnts);
         }
+        
+      // ignore "virtual" protocol parts
+      else if ($primary_type=='protocol')
+        continue;
 
       // part is file/attachment
       else if ($mail_part->disposition=='attachment' || $mail_part->disposition=='inline' || $mail_part->headers['content-id'] ||
@@ -758,7 +901,7 @@
         else
           {
           if (!$mail_part->filename)
-            $mail_part->filename = 'file_'.$mail_part->mime_id;
+            $mail_part->filename = 'Part '.$mail_part->mime_id;
           $a_attachments[] = $mail_part;
           }
         }
@@ -827,7 +970,7 @@
       continue;
 
     if ($hkey=='date' && !empty($headers[$hkey]))
-      $header_value = format_date(strtotime($headers[$hkey]));
+      $header_value = format_date($headers[$hkey]);
     else if (in_array($hkey, array('from', 'to', 'cc', 'bcc', 'reply-to')))
       $header_value = Q(rcmail_address_string($headers[$hkey], NULL, $attrib['addicon']), 'show');
     else
@@ -856,7 +999,7 @@
   if (!$attrib['id'])
     $attrib['id'] = 'rcmailMsgBody';
 
-  $safe_mode = intval($_GET['_safe']);
+  $safe_mode = $MESSAGE['is_safe'] || intval($_GET['_safe']);
   $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
   $out = '<div '. $attrib_str . ">\n";
   
@@ -979,7 +1122,7 @@
   while ($body != $prev_body)
     {
     $prev_body = $body;
-    $body = preg_replace('/(<[^!][^>]*\s)(on[^=>]+)=([^>]+>)/im', '$1__removed=$3', $body);
+    $body = preg_replace('/(<[^!][^>]*\s)on(?:load|unload|click|dblclick|mousedown|mouseup|mouseover|mousemove|mouseout|focus|blur|keypress|keydown|keyup|submit|reset|select|change)=([^>]+>)/im', '$1__removed=$2', $body);
     $body = preg_replace('/(<[^!][^>]*\shref=["\']?)(javascript:)([^>]*?>)/im', '$1null:$3', $body);
     }
 
@@ -996,7 +1139,8 @@
 
   // add comments arround html and other tags
   $out = preg_replace(array(
-      '/(<!DOCTYPE.+)/i',
+      '/(<!DOCTYPE[^>]*>)/i',
+      '/(<\?xml[^>]*>)/i',
       '/(<\/?html[^>]*>)/i',
       '/(<\/?head[^>]*>)/i',
       '/(<title[^>]*>.*<\/title>)/Ui',
@@ -1133,7 +1277,7 @@
 function rcmail_address_string($input, $max=NULL, $addicon=NULL)
   {
   global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $EMAIL_ADDRESS_PATTERN;
-  
+
   $a_parts = $IMAP->decode_address_list($input);
 
   if (!sizeof($a_parts))
@@ -1147,7 +1291,7 @@
     {
     $j++;
     if ($PRINT_MODE)
-      $out .= sprintf('%s &lt;%s&gt;', Q($part['name']), $part['mailto']);
+      $out .= sprintf('%s &lt;%s&gt;', Q(rcube_charset_convert($part['name'])), $part['mailto']);
     else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto']))
       {
       $out .= sprintf('<a href="mailto:%s" onclick="return %s.command(\'compose\',\'%s\',this)" class="rcmContactAddress" title="%s">%s</a>',
@@ -1195,12 +1339,11 @@
   if (!is_array($MESSAGE) || !is_array($MESSAGE['parts']) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE['parts'][$part])
     return '';
     
-  $part = &$MESSAGE['parts'][$part];
-  
+  $part = $MESSAGE['parts'][$part];
   $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'cellspacing', 'cellpadding', 'border', 'summary'));
   $out = '<table '. $attrib_str . ">\n";
   
-  if ($filename)
+  if ($part->filename)
     {
     $out .= sprintf('<tr><td class="title">%s</td><td>%s</td><td>[<a href="./?%s">%s</a>]</tr>'."\n",
                     Q(rcube_label('filename')),
@@ -1250,6 +1393,143 @@
   
   unset($_SESSION['compose']);
   }
+  
+
+/**
+ * Send the given message compose object using the configured method
+ */
+function rcmail_deliver_message(&$message, $from, $mailto)
+{
+  global $CONFIG;
+
+  $headers = $message->headers();
+  $msg_body = $message->get();
+  
+  // send thru SMTP server using custom SMTP library
+  if ($CONFIG['smtp_server'])
+    {
+    // generate list of recipients
+    $a_recipients = array($mailto);
+  
+    if (strlen($headers['Cc']))
+      $a_recipients[] = $headers['Cc'];
+    if (strlen($headers['Bcc']))
+      $a_recipients[] = $headers['Bcc'];
+  
+    // clean Bcc from header for recipients
+    $send_headers = $headers;
+    unset($send_headers['Bcc']);
+    // here too, it because txtHeaders() below use $message->_headers not only $send_headers
+    unset($message->_headers['Bcc']);
+
+    // send message
+    $smtp_response = array();
+    $sent = smtp_mail($from, $a_recipients, ($foo = $message->txtHeaders($send_headers, true)), $msg_body, $smtp_response);
+
+    // log error
+    if (!$sent)
+      raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
+                        'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
+    }
+  
+  // send mail using PHP's mail() function
+  else
+    {
+    // unset some headers because they will be added by the mail() function
+    $headers_enc = $message->headers($headers);
+    $headers_php = $message->_headers;
+    unset($headers_php['To'], $headers_php['Subject']);
+    
+    // reset stored headers and overwrite
+    $message->_headers = array();
+    $header_str = $message->txtHeaders($headers_php);
+  
+    if (ini_get('safe_mode'))
+      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str);
+    else
+      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
+    }
+  
+  if ($sent)  // remove MDN headers after sending
+    unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']);
+  
+  $message->_headers = array();
+  $message->headers($headers);
+  
+  return $sent;
+}
+
+
+function rcmail_send_mdn($uid)
+{
+  global $CONFIG, $USER, $IMAP;
+  
+  $message = array('UID' => $uid);
+  $message['headers'] = $IMAP->get_headers($message['UID']);
+  $message['subject'] = rcube_imap::decode_mime_string($message['headers']->subject, $message['headers']->charset);
+  
+  if ($message['headers']->mdn_to && !$message['headers']->mdn_sent)
+  {
+    $identity = $USER->get_identity();
+    $sender = format_email_recipient($identity['email'], $identity['name']);
+    $recipient = array_shift($IMAP->decode_address_list($message['headers']->mdn_to));
+    $mailto = $recipient['mailto'];
+
+    $compose = new rcube_mail_mime(rcmail_header_delm());
+    $compose->setParam(array(
+      'text_encoding' => 'quoted-printable',
+      'html_encoding' => 'quoted-printable',
+      'head_encoding' => 'quoted-printable',
+      'head_charset'  => RCMAIL_CHARSET,
+      'html_charset'  => RCMAIL_CHARSET,
+      'text_charset'  => RCMAIL_CHARSET,
+    ));
+    
+    // compose headers array
+    $headers = array(
+      'Date' => date('r'),
+      'From' => $sender,
+      'To'   => $message['headers']->mdn_to,
+      'Subject' => rcube_label('receiptread') . ': ' . $message['subject'],
+      'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), rcmail_mail_domain($_SESSION['imap_host'])),
+      'X-Sender' => $identity['email'],
+      'Content-Type' => 'multipart/report; report-type=disposition-notification',
+    );
+    
+    if (!empty($CONFIG['useragent']))
+      $headers['User-Agent'] = $CONFIG['useragent'];
+
+    $body = rcube_label("yourmessage") . "\r\n\r\n" .
+      "\t" . rcube_label("to") . ': ' . rcube_imap::decode_mime_string($message['headers']->to, $message['headers']->charset) . "\r\n" .
+      "\t" . rcube_label("subject") . ': ' . $message['subject'] . "\r\n" .
+      "\t" . rcube_label("sent") . ': ' . format_date($message['headers']->date, $CONFIG['date_long']) . "\r\n" .
+      "\r\n" . rcube_label("receiptnote") . "\r\n";
+    
+    $ua = !empty($CONFIG['useragent']) ? $CONFIG['useragent'] : "RoundCube Webmail (Version ".RCMAIL_VERSION.")";
+    $report = "Reporting-UA: $ua\r\n";
+    
+    if ($message['headers']->to)
+        $report .= "Original-Recipient: {$message['headers']->to}\r\n";
+    
+    $report .= "Final-Recipient: rfc822; {$identity['email']}\r\n" .
+               "Original-Message-ID: {$message['headers']->messageID}\r\n" .
+               "Disposition: manual-action/MDN-sent-manually; displayed\r\n";
+    
+    $compose->headers($headers, true);
+    $compose->setTXTBody($body);
+    $compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');
+
+    $sent = rcmail_deliver_message($compose, $identity['email'], $mailto);
+
+    if ($sent)
+    {
+      $IMAP->set_flag($message['UID'], 'MDNSENT');
+      return true;
+    }
+  }
+  
+  return false;
+}
 
 
 // register UI objects
@@ -1263,7 +1543,7 @@
   'messagecontentframe' => 'rcmail_messagecontent_frame',
   'messagepartframe' => 'rcmail_message_part_frame',
   'messagepartcontrols' => 'rcmail_message_part_controls',
-  'searchform' => 'rcmail_search_form'
+  'searchform' => array($OUTPUT, 'search_form'),
 ));
 
 ?>

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