From 4e17e6c9dbac8991ee8b302cb2581241247dc8bc Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Sun, 25 Sep 2005 14:18:03 +0000
Subject: Initial revision

---
 program/steps/mail/func.inc | 1101 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1101 insertions(+)
 create mode 100644 program/steps/mail/func.inc

(limited to 'program/steps/mail/func.inc')

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
new file mode 100644
index 000000000..2109bed3a
--- /dev/null
+++ b/program/steps/mail/func.inc
@@ -0,0 +1,1101 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/steps/mail/func.inc                                           |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2005, RoundCube Dev. - Switzerland                      |
+ | All rights reserved.                                                  |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Provide webmail functionality and GUI objects                       |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id$
+
+*/
+
+require_once('lib/html2text.inc');
+require_once('lib/enriched.inc');
+
+
+$EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i';
+
+// set imap properties and session vars
+if (strlen($_GET['_mbox']))
+  {
+  $IMAP->set_mailbox($_GET['_mbox']);
+  $_SESSION['mbox'] = $_GET['_mbox'];
+  }
+
+if (strlen($_GET['_page']))
+  {
+  $IMAP->set_page($_GET['_page']);
+  $_SESSION['page'] = $_GET['_page'];
+  }
+
+
+// define url for getting message parts
+if (strlen($_GET['_uid']))
+  $GET_URL = sprintf('%s&_action=get&_mbox=%s&_uid=%d', $COMM_PATH, $IMAP->get_mailbox_name(), $_GET['_uid']);
+
+
+// set current mailbox in client environment
+$OUTPUT->add_script(sprintf("%s.set_env('mailbox', '%s');", $JS_OBJECT_NAME, $IMAP->get_mailbox_name()));
+
+
+if ($CONFIG['trash_mbox'])
+  $OUTPUT->add_script(sprintf("%s.set_env('trash_mailbox', '%s');", $JS_OBJECT_NAME, $CONFIG['trash_mbox']));
+
+
+
+// return the mailboxlist in HTML
+function rcmail_mailbox_list($attrib)
+  {
+  global $IMAP, $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $COMM_PATH;
+  static $s_added_script = FALSE;
+  
+  $type = $attrib['type'] ? $attrib['type'] : 'ul';
+  $add_attrib = $type=='select' ? array('style', 'class', 'id', 'name', 'onchange') :
+                                  array('style', 'class', 'id');
+                                  
+  if ($type=='ul' && !$attrib['id'])
+    $attrib['id'] = 'rcmboxlist';
+
+  // allow the following attributes to be added to the <ul> tag
+  $attrib_str = create_attrib_string($attrib, $add_attrib);
+ 
+  $out = '<' . $type . $attrib_str . ">\n";
+  
+  // add no-selection option
+  if ($type=='select' && $attrib['noselection'])
+    $out .= sprintf('<option value="0">%s</option>'."\n",
+                    rcube_label($attrib['noselection']));
+  
+  // get mailbox list
+  $a_folders = $IMAP->list_mailboxes();
+  $mbox = $IMAP->get_mailbox_name();
+  
+  // for these mailboxes we have localized labels
+  $special_mailboxes = array('inbox', 'sent', 'drafts', 'trash', 'junk');
+
+  foreach ($a_folders as $i => $folder)
+    {
+    $zebra_class = $i%2 ? 'even' : 'odd';
+    
+    $folder_lc = strtolower($folder);
+    if (in_array($folder_lc, $special_mailboxes))
+      $foldername = rcube_label($folder_lc);
+    else
+      $foldername = $folder;
+        
+    if ($unread_count = $IMAP->messagecount($folder, 'UNSEEN'))
+      $foldername .= sprintf(' (%d)', $unread_count);
+      
+    // compose mailbox line
+    if ($type=='select')
+      $out .= sprintf('<option value="%s">%s</option>'."\n",
+                      $folder,
+                      rep_specialchars_output($foldername));
+    
+    else
+      $out .= sprintf('<li class="mailbox %s %s%s%s"><a href="#%s" onclick="return %s.command(\'list\',\'%s\')" onmouseup="return %s.mbox_mouse_up(\'%s\')">%s</a></li>'."\n",
+                       preg_replace('/[^a-z0-9\-_]/', '', $folder_lc),
+                       $zebra_class,
+                       $unread_count ? ' unread' : '',
+                       $folder==$mbox ? ' selected' : '',
+                       $folder,
+                       $JS_OBJECT_NAME,
+                       $folder,
+                       $JS_OBJECT_NAME,
+                       $folder,
+                       rep_specialchars_output($foldername));
+    }
+
+  if ($type=='ul')
+    $OUTPUT->add_script(sprintf("%s.gui_object('mailboxlist', '%s');", $JS_OBJECT_NAME, $attrib['id']));
+
+
+/*  this is added further up
+  if (!$s_added_script)
+    {
+    $javascript .= sprintf("%s.set_env('mailbox', '%s');", $JS_OBJECT_NAME, $mbox);
+    $OUTPUT->add_script($javascript);
+    $s_added_script = TRUE;
+    }
+*/
+  return $out . "</$type>";
+  }
+
+
+// return the message list as HTML table
+function rcmail_message_list($attrib)
+  {
+  global $IMAP, $CONFIG, $COMM_PATH, $OUTPUT, $JS_OBJECT_NAME;
+  
+  $skin_path = $CONFIG['skin_path'];
+  $image_tag = '<img src="%s%s" alt="%s" border="0" />';
+  
+  // get message headers
+  $a_headers = $IMAP->list_headers();
+
+  // add id to message list table if not specified
+  if (!strlen($attrib['id']))
+    $attrib['id'] = 'rcubemessagelist';
+
+  // allow the following attributes to be added to the <table> tag
+  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
+
+  $out = '<table' . $attrib_str . ">\n";
+  
+  // define list of cols to be displayed
+  $a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
+  
+  // show 'to' instead of from in sent messages
+  if (strtolower($IMAP->get_mailbox_name())=='sent' && ($f = array_search('from', $a_show_cols)))
+    $a_show_cols[$f] = 'to';
+
+
+  // add table title
+  $out .= "<thead><tr>\n<td class=\"icon\">&nbsp;</td>\n";
+ 
+  foreach ($a_show_cols as $col)
+    $out .= '<td class="'.$col.'">' . rcube_label($col) . "</td>\n";
+
+  $out .= '<td class="icon">'.($attrib['attachmenticon'] ? sprintf($image_tag, $skin_path, $attrib['attachmenticon'], '') : '')."</td>\n";
+  $out .= "</tr></thead>\n<tbody>\n";
+
+
+  // no messages in this mailbox
+  if (!sizeof($a_headers))
+    {
+    $out .= sprintf('<tr><td colspan="%d">%s</td></tr>',
+                   sizeof($a_show_cols)+2,
+                   rcube_label('nomessagesfound'));
+    }
+
+
+  $a_js_message_arr = array();
+
+  // create row for each message
+  foreach ($a_headers as $i => $header)  //while (list($i, $header) = each($a_headers))
+    {
+    $message_icon = $attach_icon = '';
+    $js_row_arr = array();
+    $zebra_class = $i%2 ? 'even' : 'odd';
+
+    // set messag attributes to javascript array
+    if (!$header->seen)
+      $js_row_arr['unread'] = true;
+    if ($header->answered)
+      $js_row_arr['replied'] = true;
+
+	// set message icon    
+    if ($attrib['unreadicon'] && !$header->seen)
+      $message_icon = $attrib['unreadicon'];
+    else if ($attrib['repliedicon'] && $header->answered)
+      $message_icon = $attrib['repliedicon'];
+    else if ($attrib['messageicon'])
+      $message_icon = $attrib['messageicon'];
+    
+	// set attachment icon
+    if ($attrib['attachmenticon'] && preg_match("/multipart\/m/i", $header->ctype))
+      $attach_icon = $attrib['attachmenticon'];
+        
+    $out .= sprintf('<tr id="rcmrow%d" class="message'.($header->seen ? '' : ' unread').' '.$zebra_class.'">'."\n", $header->uid);
+    $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')
+        $cont = rep_specialchars_output(rcmail_address_string($header->$col, 3, $attrib['addicon']));
+      else if ($col=='subject')
+        $cont = rep_specialchars_output($IMAP->decode_header($header->$col));
+      else if ($col=='size')
+        $cont = show_bytes($header->$col);
+      else if ($col=='date')
+        $cont = format_date($header->date); //date('m.d.Y G:i:s', strtotime($header->date));
+      else
+        $cont = rep_specialchars_output($header->$col);
+        
+	  $out .= '<td class="'.$col.'">' . $cont . "</td>\n";
+      }
+
+    $out .= sprintf("<td class=\"icon\">%s</td>\n", $attach_icon ? sprintf($image_tag, $skin_path, $attach_icon, '') : '');
+    $out .= "</tr>\n";
+    
+    if (sizeof($js_row_arr))
+      $a_js_message_arr[$header->uid] = $js_row_arr;
+    }
+  
+  // complete message table
+  $out .= "</tbody></table>\n";
+  
+  
+  $message_count = $IMAP->messagecount();
+  
+  // set client env
+  $javascript = sprintf("%s.gui_object('messagelist', '%s');\n", $JS_OBJECT_NAME, $attrib['id']);
+  $javascript .= sprintf("%s.set_env('messagecount', %d);\n", $JS_OBJECT_NAME, $message_count);
+  $javascript .= sprintf("%s.set_env('current_page', %d);\n", $JS_OBJECT_NAME, $IMAP->list_page);
+  $javascript .= sprintf("%s.set_env('pagecount', %d);\n", $JS_OBJECT_NAME, ceil($message_count/$IMAP->page_size));
+  
+  if ($attrib['messageicon'])
+    $javascript .= sprintf("%s.set_env('messageicon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['messageicon']);
+  if ($attrib['unreadicon'])
+    $javascript .= sprintf("%s.set_env('unreadicon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['unreadicon']);
+  if ($attrib['repliedicon'])
+    $javascript .= sprintf("%s.set_env('repliedicon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['repliedicon']);
+  if ($attrib['attachmenticon'])
+    $javascript .= sprintf("%s.set_env('attachmenticon', '%s%s');\n", $JS_OBJECT_NAME, $skin_path, $attrib['attachmenticon']);
+    
+  $javascript .= sprintf("%s.set_env('messages', %s);", $JS_OBJECT_NAME, array2js($a_js_message_arr));
+  
+  $OUTPUT->add_script($javascript);  
+  
+  return $out;
+  }
+
+
+
+
+// return javascript commands to add rows to the message list
+function rcmail_js_message_list($a_headers, $insert_top=FALSE)
+  {
+  global $CONFIG, $IMAP;
+
+  $commands = '';
+  $a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
+
+  // show 'to' instead of from in sent messages
+  if (strtolower($IMAP->get_mailbox_name())=='sent' && ($f = array_search('from', $a_show_cols)))
+    $a_show_cols[$f] = 'to';
+
+  // loop through message headers
+  for ($n=0; $a_headers[$n]; $n++)
+    {
+    $header = $a_headers[$n];
+    $a_msg_cols = array();
+    $a_msg_flags = array();
+      
+    // format each col; similar as in rcmail_message_list()
+    foreach ($a_show_cols as $col)
+      {
+      if ($col=='from' || $col=='to')
+        $cont = rep_specialchars_output(rcmail_address_string($header->$col, 3));
+      else if ($col=='subject')
+        $cont = rep_specialchars_output($IMAP->decode_header($header->$col));
+      else if ($col=='size')
+        $cont = show_bytes($header->$col);
+      else if ($col=='date')
+        $cont = format_date($header->date); //date('m.d.Y G:i:s', strtotime($header->date));
+      else
+        $cont = rep_specialchars_output($header->$col);
+          
+      $a_msg_cols[$col] = $cont;
+      }
+
+    $a_msg_flags['unread'] = $header->seen ? 0 : 1;
+    $a_msg_flags['replied'] = $header->answered ? 1 : 0;
+  
+    $commands .= sprintf("this.add_message_row(%s, %s, %s, %b);\n",
+                         $header->uid,
+                         array2js($a_msg_cols),
+                         array2js($a_msg_flags),
+                         preg_match("/multipart\/m/i", $header->ctype));
+    }
+
+  return $commands;
+  }
+
+
+
+function rcmail_messagecount_display($attrib)
+  {
+  global $IMAP, $OUTPUT, $JS_OBJECT_NAME;
+  
+  if (!$attrib['id'])
+    $attrib['id'] = 'rcmcountdisplay';
+
+  $OUTPUT->add_script(sprintf("%s.gui_object('countdisplay', '%s');", $JS_OBJECT_NAME, $attrib['id']));
+
+  // allow the following attributes to be added to the <span> tag
+  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
+
+  
+  $out = '<span' . $attrib_str . '>';
+  $out .= rcmail_get_messagecount_text();
+  $out .= '</span>';
+  return $out;
+  }
+
+
+
+function rcmail_get_messagecount_text()
+  {
+  global $IMAP, $MESSAGE;
+  
+  if (isset($MESSAGE['index']))
+    {
+    $a_msg_index = $IMAP->message_index();
+    return rcube_label(array('name' => 'messagenrof',
+                             'vars' => array('nr'  => $MESSAGE['index']+1,
+                                             'count' => sizeof($a_msg_index))));
+    }
+  
+  $start_msg = ($IMAP->list_page-1) * $IMAP->page_size + 1;
+  $max = $IMAP->messagecount();
+
+  if ($max==0)
+    $out = rcube_label('mailboxempty');
+  else
+    $out = rcube_label(array('name' => 'messagesfromto',
+                              'vars' => array('from'  => $start_msg,
+                                              'to'    => min($max, $start_msg + $IMAP->page_size - 1),
+                                              'count' => $max)));
+
+  return $out;
+  }
+
+
+function rcmail_print_body($part, $safe=FALSE, $plain=FALSE) // $body, $ctype_primary='text', $ctype_secondary='plain', $encoding='7bit', $safe=FALSE, $plain=FALSE)
+  {
+  global $IMAP, $REMOTE_OBJECTS, $JS_OBJECT_NAME;
+
+  // extract part properties: body, ctype_primary, ctype_secondary, encoding, parameters
+  extract($part);
+  
+  $block = $plain ? '%s' : '%s'; //'<div style="display:block;">%s</div>';
+  $body = $IMAP->mime_decode($body, $encoding);
+  $body = $IMAP->charset_decode($body, $parameters);
+
+
+  // text/html
+  if ($ctype_secondary=='html')
+    {
+    if (!$safe)  // remove remote images and scripts
+      {
+      $remote_patterns = array('/(src|background)=(["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)(\2|\s|>)/Ui',
+                           //  '/(src|background)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Ui',
+                               '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i',
+                               '/(<link.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i',
+                               '/url\s*\(["\']?([hftps]{3,5}:\/{2}[^"\'\s]+)["\']?\)/i',
+                               '/url\s*\(["\']?([\.\/]+[^"\'\s]+)["\']?\)/i',
+                               '/<script.+<\/script>/Umis');
+
+      $remote_replaces = array('\\1=\\2#\\4',
+                            // '\\1=\\2#\\4',
+                               '',
+                               '\\1#\\3',
+                               'none',
+                               'none',
+                               '');
+      
+      // set flag if message containes remote obejcts that where blocked
+      foreach ($remote_patterns as $pattern)
+        {
+        if (preg_match($pattern, $body))
+          {
+          $REMOTE_OBJECTS = TRUE;
+          break;
+          }
+        }
+
+      $body = preg_replace($remote_patterns, $remote_replaces, $body);
+      }
+
+    return sprintf($block, rep_specialchars_output($body, 'html', '', FALSE));
+    }
+
+  // text/enriched
+  if ($ctype_secondary=='enriched')
+    {
+    $body = enriched_to_html($body);
+    return sprintf($block, rep_specialchars_output($body, 'html'));
+    }
+  else
+    {
+    // make links and email-addresses clickable
+    $convert_patterns = $convert_replaces = $replace_strings = array();
+    
+    $url_chars = 'a-z0-9_\-\+\*\$\/&%=@#';
+    $url_chars_within = '\?\.~,!';
+
+    $convert_patterns[] = "/([\w]+):\/\/([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
+    $convert_replaces[] = "rcmail_str_replacement('<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>', &\$replace_strings)";
+
+    $convert_patterns[] = "/([^\/:]|\s)(www\.)([a-z0-9\-]{2,}[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
+    $convert_replaces[] = "rcmail_str_replacement('\\1<a href=\"http://\\2\\3\" target=\"_blank\">\\2\\3</a>', &\$replace_strings)";
+    
+    $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)";
+
+    $body = wordwrap(trim($body), 80);
+    $body = preg_replace($convert_patterns, $convert_replaces, $body);
+
+    // split body into single lines
+    $a_lines = preg_split('/\r?\n/', $body);
+
+    // colorize quoted parts
+    for($n=0; $n<sizeof($a_lines); $n++)
+      {
+      $line = $a_lines[$n];
+
+      if ($line{2}=='>')
+        $color = 'red';
+      else if ($line{1}=='>')
+        $color = 'green';
+      else if ($line{0}=='>')
+        $color = 'blue';
+      else
+        $color = FALSE;
+
+      $line = rep_specialchars_output($line, 'html', 'replace', FALSE);
+        
+      if ($color)
+        $a_lines[$n] = sprintf('<font color="%s">%s</font>', $color, $line);
+      else
+        $a_lines[$n] = $line;
+      }
+
+    // insert the links for urls and mailtos
+    $body = preg_replace("/##string_replacement\{([0-9]+)\}##/e", "\$replace_strings[\\1]", join("\n", $a_lines));
+    
+    return sprintf($block, "<pre>\n".$body."\n</pre>");
+    }
+  }
+
+
+
+// add a string to the replacement array and return a replacement string
+function rcmail_str_replacement($str, &$rep)
+  {
+  static $count = 0;
+  $rep[$count] = stripslashes($str);
+  return "##string_replacement{".($count++)."}##";
+  }
+
+
+function rcmail_parse_message($structure, $arg=array(), $recursive=FALSE)
+  {
+  global $IMAP;
+  static $sa_inline_objects = array();
+
+  // arguments are: (bool)$prefer_html, (string)$get_url
+  extract($arg);
+
+  $a_attachments = array();
+  $a_return_parts = array();
+  $out = '';
+
+  $message_ctype_primary = strtolower($structure->ctype_primary);
+  $message_ctype_secondary = strtolower($structure->ctype_secondary);
+
+  // show message headers
+  if ($recursive && is_array($structure->headers) && isset($structure->headers['subject']))
+    $a_return_parts[] = array('type' => 'headers',
+                              'headers' => $structure->headers);
+
+  // print body if message doesn't have multiple parts
+  if ($message_ctype_primary=='text')
+    {
+    $a_return_parts[] = array('type' => 'content',
+                              'body' => $structure->body,
+                              'ctype_primary' => $message_ctype_primary,
+                              'ctype_secondary' => $message_ctype_secondary,
+                              'encoding' => $structure->headers['content-transfer-encoding']);
+    }
+
+  // message contains alternative parts
+  else if ($message_ctype_primary=='multipart' && $message_ctype_secondary=='alternative' && is_array($structure->parts))
+    {
+    // get html/plaintext parts
+    $plain_part = $html_part = $print_part = $related_part = NULL;
+    
+    foreach ($structure->parts as $p => $sub_part)
+      {
+      $sub_ctype_primary = strtolower($sub_part->ctype_primary);
+      $sub_ctype_secondary = strtolower($sub_part->ctype_secondary);
+
+      // check if sub part is 
+      if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='plain')
+        $plain_part = $p;
+      else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='html')
+        $html_part = $p;
+      else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='enriched')
+        $enriched_part = $p;
+      else if ($sub_ctype_primary=='multipart' && $sub_ctype_secondary=='related')
+        $related_part = $p;
+      }
+
+    // parse related part (alternative part could be in here)
+    if ($related_part!==NULL && $prefer_html)
+      {
+      list($parts, $attachmnts) = rcmail_parse_message($structure->parts[$related_part], $arg, TRUE);
+      $a_return_parts = array_merge($a_return_parts, $parts);
+      $a_attachments = array_merge($a_attachments, $attachmnts);
+      }
+
+    // print html/plain part
+    else if ($html_part!==NULL && $prefer_html)
+      $print_part = $structure->parts[$html_part];
+    else if ($enriched_part!==NULL)
+      $print_part = $structure->parts[$enriched_part];
+    else if ($plain_part!==NULL)
+      $print_part = $structure->parts[$plain_part];
+
+    // show message body
+    if (is_object($print_part))
+      $a_return_parts[] = array('type' => 'content',
+                                'body' => $print_part->body,
+                                'ctype_primary' => strtolower($print_part->ctype_primary),
+                                'ctype_secondary' => strtolower($print_part->ctype_secondary),
+                                'parameters' => $print_part->ctype_parameters,
+                                'encoding' => $print_part->headers['content-transfer-encoding']);
+    // show plaintext warning
+    else if ($html_part!==NULL)
+      $a_return_parts[] = array('type' => 'content',
+                                'body' => rcube_label('htmlmessage'),
+                                'ctype_primary' => 'text',
+                                'ctype_secondary' => 'plain');
+                                
+    // add html part as attachment
+    if ($html_part!==NULL && $structure->parts[$html_part]!==$print_part)
+      {
+      $html_part = $structure->parts[$html_part];
+      $a_attachments[] = array('filename' => rcube_label('htmlmessage'),
+                               'encoding' => $html_part->headers['content-transfer-encoding'],
+                               'mimetype' => 'text/html',
+                               'part_id'  => $html_part->mime_id,
+                               'size'     => strlen($IMAP->mime_decode($html_part->body, $html_part->headers['content-transfer-encoding'])));
+      }
+    }
+
+  // message contains multiple parts
+  else if ($message_ctype_primary=='multipart' && is_array($structure->parts))
+    {
+    foreach ($structure->parts as $mail_part)
+      {
+      $primary_type = strtolower($mail_part->ctype_primary);
+      $secondary_type = strtolower($mail_part->ctype_secondary);
+
+      // multipart/alternative
+      if ($primary_type=='multipart') // && ($secondary_type=='alternative' || $secondary_type=='mixed' || $secondary_type=='related'))
+        {
+        list($parts, $attachmnts) = rcmail_parse_message($mail_part, $arg, TRUE);
+
+        $a_return_parts = array_merge($a_return_parts, $parts);
+        $a_attachments = array_merge($a_attachments, $attachmnts);
+        }
+
+      // part text/[plain|html] OR message/delivery-status
+      else if (($primary_type=='text' && ($secondary_type=='plain' || $secondary_type=='html')) ||
+               ($primary_type=='message' && $secondary_type=='delivery-status'))
+        {
+        $a_return_parts[] = array('type' => 'content',
+                                  'body' => $mail_part->body,
+                                  'ctype_primary' => $primary_type,
+                                  'ctype_secondary' => $secondary_type,
+                                  'encoding' => $mail_part->headers['content-transfer-encoding']);
+        }
+
+      // part message/*
+      else if ($primary_type=='message')
+        {
+        /* don't parse headers here; they're parsed within the recursive call to rcmail_parse_message()
+        if ($mail_part->parts[0]->headers)
+          $a_return_parts[] = array('type' => 'headers',
+                                    'headers' => $mail_part->parts[0]->headers);
+        */
+                                      
+        list($parts, $attachmnts) = rcmail_parse_message($mail_part->parts[0], $arg, TRUE);
+
+        $a_return_parts = array_merge($a_return_parts, $parts);
+        $a_attachments = array_merge($a_attachments, $attachmnts);
+        }
+
+      // part is file/attachment
+      else if ($mail_part->disposition=='attachment' || $mail_part->disposition=='inline' || $mail_part->headers['content-id'])
+        {
+        if ($message_ctype_secondary=='related' && $mail_part->headers['content-id'])
+          $sa_inline_objects[] = array('filename' => $mail_part->d_parameters['filename'],
+                                       'mimetype' => strtolower("$primary_type/$secondary_type"),
+                                       'part_id'  => $mail_part->mime_id,
+                                       'content_id' => preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']));
+
+        else if ($mail_part->d_parameters['filename'])
+          $a_attachments[] = array('filename' => $mail_part->d_parameters['filename'],
+                                   'encoding' => strtolower($mail_part->headers['content-transfer-encoding']),
+                                   'mimetype' => strtolower("$primary_type/$secondary_type"),
+                                   'part_id'  => $mail_part->mime_id,
+                                   'size'     => strlen($IMAP->mime_decode($mail_part->body, $mail_part->headers['content-transfer-encoding'])) /*,
+                                   'content'  => $mail_part->body */);
+                                   
+        else if ($mail_part->ctype_parameters['name'])
+          $a_attachments[] = array('filename' => $mail_part->ctype_parameters['name'],
+                                   'encoding' => strtolower($mail_part->headers['content-transfer-encoding']),
+                                   'mimetype' => strtolower("$primary_type/$secondary_type"),
+                                   'part_id'  => $mail_part->mime_id,
+                                   'size'     => strlen($IMAP->mime_decode($mail_part->body, $mail_part->headers['content-transfer-encoding'])) /*,
+                                   'content'  => $mail_part->body */);
+                                   
+                                   
+        }
+      }
+
+
+    // if this was a related part try to resolve references
+    if ($message_ctype_secondary=='related' && sizeof($sa_inline_objects))
+      {
+      $a_replace_patters = array();
+      $a_replace_strings = array();
+        
+      foreach ($sa_inline_objects as $inline_object)
+        {
+        $a_replace_patters[] = 'cid:'.$inline_object['content_id'];
+        $a_replace_strings[] = sprintf($get_url, $inline_object['part_id']);
+        }
+      
+      foreach ($a_return_parts as $i => $return_part)
+        {
+        if ($return_part['type']!='content')
+          continue;
+
+        // decode body and replace cid:...
+        $a_return_parts[$i]['body'] = str_replace($a_replace_patters, $a_replace_strings, $IMAP->mime_decode($return_part['body'], $return_part['encoding']));
+        $a_return_parts[$i]['encoding'] = '7bit';
+        }
+      }
+    }
+    
+
+  // join all parts together
+  //$out .= join($part_delimiter, $a_return_parts);
+
+  return array($a_return_parts, $a_attachments);
+  }
+
+
+
+
+// return table with message headers
+function rcmail_message_headers($attrib, $headers=NULL)
+  {
+  global $IMAP, $OUTPUT, $MESSAGE;
+  static $sa_attrib;
+  
+  // keep header table attrib
+  if (is_array($attrib) && !$sa_attrib)
+    $sa_attrib = $attrib;
+  else if (!is_array($attrib) && is_array($sa_attrib))
+    $attrib = $sa_attrib;
+  
+  
+  if (!isset($MESSAGE))
+    return FALSE;
+
+  // get associative array of headers object
+  if (!$headers)
+    $headers = is_object($MESSAGE['headers']) ? get_object_vars($MESSAGE['headers']) : $MESSAGE['headers'];
+    
+  $header_count = 0;
+  
+  // allow the following attributes to be added to the <table> tag
+  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
+  $out = '<table' . $attrib_str . ">\n";
+
+  // show these headers
+  $standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'reply-to', 'date');
+  
+  foreach ($standard_headers as $hkey)
+    {
+    if (!$headers[$hkey])
+      continue;
+
+    if ($hkey=='date')
+      $header_value = format_date(strtotime($headers[$hkey]));
+    else if (in_array($hkey, array('from', 'to', 'cc', 'reply-to')))
+      $header_value = rep_specialchars_output(rcmail_address_string($IMAP->decode_header($headers[$hkey]), NULL, $attrib['addicon']));
+    else
+      $header_value = rep_specialchars_output($IMAP->decode_header($headers[$hkey]), '', 'all');
+
+    $out .= "\n<tr>\n";
+    $out .= '<td class="header-title">'.rcube_label($hkey).":&nbsp;</td>\n";
+    $out .= '<td class="'.$hkey.'" width="90%">'.$header_value."</td>\n</tr>";
+    $header_count++;
+    }
+
+  $out .= "\n</table>\n\n";
+
+  return $header_count ? $out : '';  
+  }
+
+
+
+function rcmail_message_body($attrib)
+  {
+  global $CONFIG, $OUTPUT, $MESSAGE, $GET_URL, $REMOTE_OBJECTS, $JS_OBJECT_NAME;
+  
+  if (!is_array($MESSAGE['parts']) && !$MESSAGE['body'])
+    return '';
+    
+  if (!$attrib['id'])
+    $attrib['id'] = 'rcmailMsgBody';
+
+  $safe_mode = (bool)$_GET['_safe'];
+  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
+  $out = '<div '. $attrib_str . ">\n";
+  
+  $header_attrib = array();
+  foreach ($attrib as $attr => $value)
+    if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs))
+      $header_attrib[$regs[1]] = $value;
+
+
+  // this is an ecrypted message
+  // -> create a plaintext body with the according message
+  if (!sizeof($MESSAGE['parts']) && $MESSAGE['headers']->ctype=='multipart/encrypted')
+    {
+    $MESSAGE['parts'][0] = array('type' => 'content',
+                                 'ctype_primary' => 'text',
+                                 'ctype_secondary' => 'plain',
+                                 'body' => rcube_label('encryptedmessage'));
+    }
+  
+  if ($MESSAGE['parts'])
+    {
+    foreach ($MESSAGE['parts'] as $i => $part)
+      {
+      if ($part['type']=='headers')
+        $out .= rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : NULL, $part['headers']);
+      else if ($part['type']=='content')
+        {
+//        var_dump($part['parameters']);
+        // $body = rcmail_print_body($part['body'], $part['ctype_primary'], $part['ctype_secondary'], $part['encoding'], $safe_mode);
+        $body = rcmail_print_body($part, $safe_mode);
+        $out .= '<div class="message-part">';
+        $out .= rcmail_mod_html_body($body, $attrib['id']);
+        $out .= "</div>\n";
+        }
+      }
+    }
+  else
+    $out .= $MESSAGE['body'];
+
+
+  $ctype_primary = strtolower($MESSAGE['structure']->ctype_primary);
+  $ctype_secondary = strtolower($MESSAGE['structure']->ctype_secondary);
+  
+  // list images after mail body
+  if (get_boolean($attrib['showimages']) && $ctype_primary=='multipart' && $ctype_secondary=='mixed' &&
+      sizeof($MESSAGE['attachments']) && !strstr($message_body, '<html') && strlen($GET_URL))
+    {
+    foreach ($MESSAGE['attachments'] as $attach_prop)
+      {
+      if (strpos($attach_prop['mimetype'], 'image/')===0)
+        $out .= sprintf("\n<hr />\n<p align=\"center\"><img src=\"%s&_part=%s\" alt=\"%s\" title=\"%s\" /></p>\n",
+                        $GET_URL, $attach_prop['part_id'],
+                        $attach_prop['filename'],
+                        $attach_prop['filename']);
+      }
+    }
+  
+  // tell client that there are blocked remote objects
+  if ($REMOTE_OBJECTS && !$safe_mode)
+    $OUTPUT->add_script(sprintf("%s.set_env('blockedobjects', true);", $JS_OBJECT_NAME));
+
+  $out .= "\n</div>";
+  return $out;
+  }
+
+
+
+// modify a HTML message that it can be displayed inside a HTML page
+function rcmail_mod_html_body($body, $container_id)
+  {
+  $last_style_pos = 0;
+  $body_lc = strtolower($body);
+  
+  // find STYLE tags
+  while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos)))
+    {
+    $pos2 += 8;
+    $body_pre = substr($body, 0, $pos);
+    $styles = substr($body, $pos, $pos2-$pos);
+    $body_post = substr($body, $pos2, strlen($body)-$pos2);
+    
+    // replace all css definitions with #container [def]
+    $styles = rcmail_mod_css_styles($styles, $container_id);
+    
+    $body = $body_pre . $styles . $body_post;
+    $last_style_pos = $pos2;
+    }
+
+
+  // remove SCRIPT tags
+  while (($pos = strpos($body_lc, '<script')) && ($pos2 = strpos($body_lc, '</script>', $pos)))
+    {
+    $pos2 += 8;
+    $body = substr($body, 0, $pos) . substr($body, $pos2, strlen($body)-$pos2);
+    $body_lc = strtolower($body);
+    }
+  
+
+  // resolve <base href>
+  $base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i';
+  if (preg_match($base_reg, $body, $regs))
+    {
+    $base_url = $regs[2];
+    $body = preg_replace('/(src|background|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$base_url').'\"'", $body);
+    $body = preg_replace('/(url\s*\()(["\']?)([\.\/]+[^"\'\)\s]+)(\2)\)/Uie', "'\\1\''.make_absolute_url('\\3', '$base_url').'\')'", $body);
+    $body = preg_replace($base_reg, '', $body);
+    }
+
+
+  // add comments arround html and other tags
+  $out = preg_replace(array('/(<\/?html[^>]*>)/i',
+                            '/(<\/?head[^>]*>)/i',
+                            '/(<title[^>]*>.+<\/title>)/ui',
+                            '/(<\/?meta[^>]*>)/i'),
+                      '<!--\\1-->',
+                      $body);
+                      
+  $out = preg_replace(array('/(<body[^>]*>)/i',
+                            '/(<\/body>)/i'),
+                      array('<div class="rcmBody">',
+                            '</div>'),
+                      $out);
+
+  
+  return $out;
+  }
+
+
+
+// replace all css definitions with #container [def]
+function rcmail_mod_css_styles($source, $container_id)
+  {
+  $a_css_values = array();
+  $last_pos = 0;
+  
+  // cut out all contents between { and }
+  while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos)))
+    {
+    $key = sizeof($a_css_values);
+    $a_css_values[$key] = substr($source, $pos+1, $pos2-($pos+1));
+    $source = substr($source, 0, $pos+1) . "<<str_replacement[$key]>>" . substr($source, $pos2, strlen($source)-$pos2);
+    $last_pos = $pos+2;
+    }
+  
+  $styles = preg_replace('/(^\s*|,\s*)([a-z0-9\._][a-z0-9\.\-_]*)/im', "\\1#$container_id \\2", $source);
+  $styles = preg_replace('/<<str_replacement\[([0-9]+)\]>>/e', "\$a_css_values[\\1]", $styles);
+  
+  // replace body definition because we also stripped off the <body> tag
+  $styles = preg_replace("/$container_id\s+body/i", "$container_id div.rcmBody", $styles);
+  
+  return $styles;
+  }
+
+
+
+// return first text part of a message
+function rcmail_first_text_part($message_parts)
+  {
+  if (!is_array($message_parts))
+    return FALSE;
+    
+  $html_part = NULL;
+      
+  // check all message parts
+  foreach ($message_parts as $pid => $part)
+    {
+    $mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
+    if ($mimetype=='text/plain')
+      {
+      $body = rcube_imap::mime_decode($part->body, $part->headers['content-transfer-encoding']);
+      $body = rcube_imap::charset_decode($body, $part->ctype_parameters);
+      return $body;
+      }
+    else if ($mimetype=='text/html')
+      {
+      $html_part = rcube_imap::mime_decode($part->body, $part->headers['content-transfer-encoding']);
+      $html_part = rcube_imap::charset_decode($html_part, $part->ctype_parameters);
+      }
+    }
+    
+
+  // convert HTML to plain text
+  if ($html_part)
+    {    
+    // remove special chars encoding
+    $trans = array_flip(get_html_translation_table(HTML_ENTITIES));
+    $html_part = strtr($html_part, $trans);
+
+    // create instance of html2text class
+    $txt = new html2text($html_part);
+    return $txt->get_text();
+    }
+
+  return FALSE;
+  }
+
+
+// get source code of a specific message and cache it
+function rcmail_message_source($uid)
+  {
+  global $IMAP, $DB;
+
+  // get message ID if uid is given  
+  $headers = $IMAP->get_headers($uid);
+  $message_id = $headers->messageID;
+  
+  // get cached message source
+  $msg_source = rcube_read_cache($message_id);
+
+  // get message from server and cache it
+  if (!$msg_source)
+    {
+    $msg_source = $IMAP->get_raw_body($uid);
+    rcube_write_cache($message_id, $msg_source, TRUE);
+    }
+
+  return $msg_source;
+  }
+
+
+// decode address string and re-format it as HTML links
+function rcmail_address_string($input, $max=NULL, $addicon=NULL)
+  {
+  global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $JS_OBJECT_NAME, $EMAIL_ADDRESS_PATTERN;
+  
+  $a_parts = $IMAP->decode_address_list($input);
+
+  if (!sizeof($a_parts))
+    return $input;
+
+  $c = count($a_parts);
+  $j = 0;
+  $out = '';
+
+  foreach ($a_parts as $part)
+    {
+    $j++;
+    if ($PRINT_MODE)
+      $out .= sprintf('%s &lt;%s&gt;', htmlentities($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>',
+                      $part['mailto'],
+                      $JS_OBJECT_NAME,
+                      $part['mailto'],
+                      $part['mailto'],
+                      htmlentities($part['name']));
+                      
+      if ($addicon)
+        $out .= sprintf('&nbsp;<a href="#add" onclick="return %s.command(\'add-contact\',\'%s\',this)" title="%s"><img src="%s%s" alt="add" border="0" /></a>',
+                        $JS_OBJECT_NAME,
+                        urlencode($part['string']),
+                        rcube_label('addtoaddressbook'),
+                        $CONFIG['skin_path'],
+                        $addicon);
+      }
+    else
+      {
+      if ($part['name'])
+        $out .= htmlentities($part['name']);
+      if ($part['mailto'])
+        $out .= (strlen($out) ? ' ' : '') . sprintf('&lt;%s&gt;', $part['mailto']);
+      }
+      
+    if ($c>$j)
+      $out .= ','.($max ? '&nbsp;' : ' ');
+        
+    if ($max && $j==$max && $c>$j)
+      {
+      $out .= '...';
+      break;
+      }        
+    }
+    
+  return $out;
+  }
+
+
+function rcmail_message_part_controls()
+  {
+  global $CONFIG, $IMAP, $MESSAGE;
+  
+  if (!is_array($MESSAGE) || !is_array($MESSAGE['parts']) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE['parts'][$_GET['_part']])
+    return '';
+    
+  $part = $MESSAGE['parts'][$_GET['_part']];
+  
+  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'cellspacing', 'cellpadding', 'border', 'summary'));
+  $out = '<table '. $attrib_str . ">\n";
+  
+  $filename = $part->d_parameters['filename'] ? $part->d_parameters['filename'] : $part->ctype_parameters['name'];
+  $filesize = strlen($IMAP->mime_decode($part->body, $part->headers['content-transfer-encoding']));
+  
+  if ($filename)
+    {
+    $out .= sprintf('<tr><td class="title">%s</td><td>%s</td><td>[<a href="./?%s">%s</a>]</tr>'."\n",
+                    rcube_label('filename'),
+                    rep_specialchars_output($filename),
+                    str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']),
+                    rcube_label('download'));
+    }
+    
+  if ($filesize)
+    $out .= sprintf('<tr><td class="title">%s</td><td>%s</td></tr>'."\n",
+                    rcube_label('filesize'),
+                    show_bytes($filesize));
+  
+  $out .= "\n</table>";
+  
+  return $out;
+  }
+
+
+
+function rcmail_message_part_frame($attrib)
+  {
+  global $MESSAGE;
+  
+  $part = $MESSAGE['parts'][$_GET['_part']];
+  $ctype_primary = strtolower($part->ctype_primary);
+
+  $attrib['src'] = './?'.str_replace('_frame=', ($ctype_primary=='text' ? '_show=' : '_preload='), $_SERVER['QUERY_STRING']);
+
+  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height'));
+  $out = '<iframe '. $attrib_str . "></ifame>";
+    
+  return $out;
+  }
+
+
+
+// clear message composing settings
+function rcmail_compose_cleanup()
+  {
+  if (!isset($_SESSION['compose']))
+    return;
+  
+  // remove attachment files from temp dir
+  if (is_array($_SESSION['compose']['attachments']))
+    foreach ($_SESSION['compose']['attachments'] as $attachment)
+      unlink($attachment['path']);
+
+  // kill temp dir
+  if ($_SESSION['compose']['temp_dir'])
+    rmdir($_SESSION['compose']['temp_dir']);
+  
+  unset($_SESSION['compose']);
+  }
+  
+  
+?>
\ No newline at end of file
-- 
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