source: subversion/trunk/roundcubemail/program/steps/mail/func.inc @ 1807

Last change on this file since 1807 was 1807, checked in by alec, 5 years ago
  • Added icons for forwarded/forwarded+replied messages (#1485257)
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 42.1 KB
Line 
1<?php
2
3/*
4 +-----------------------------------------------------------------------+
5 | program/steps/mail/func.inc                                           |
6 |                                                                       |
7 | This file is part of the RoundCube Webmail client                     |
8 | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
9 | Licensed under the GNU GPL                                            |
10 |                                                                       |
11 | PURPOSE:                                                              |
12 |   Provide webmail functionality and GUI objects                       |
13 |                                                                       |
14 +-----------------------------------------------------------------------+
15 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
16 +-----------------------------------------------------------------------+
17
18 $Id$
19
20*/
21
22require_once('lib/enriched.inc');
23require_once('include/rcube_smtp.inc');
24
25
26$EMAIL_ADDRESS_PATTERN = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i';
27
28if (empty($_SESSION['mbox']))
29  $_SESSION['mbox'] = $IMAP->get_mailbox_name();
30
31// set imap properties and session vars
32if ($mbox = get_input_value('_mbox', RCUBE_INPUT_GPC))
33  $IMAP->set_mailbox(($_SESSION['mbox'] = $mbox));
34
35if (!empty($_GET['_page']))
36  $IMAP->set_page(($_SESSION['page'] = intval($_GET['_page'])));
37
38// set mailbox to INBOX if not set
39if (empty($_SESSION['mbox']))
40  $_SESSION['mbox'] = $IMAP->get_mailbox_name();
41
42// set default sort col/order to session
43if (!isset($_SESSION['sort_col']))
44  $_SESSION['sort_col'] = $CONFIG['message_sort_col'];
45if (!isset($_SESSION['sort_order']))
46  $_SESSION['sort_order'] = $CONFIG['message_sort_order'];
47
48// set message set for search result
49if (!empty($_REQUEST['_search']) && isset($_SESSION['search'][$_REQUEST['_search']]))
50  {
51  $IMAP->set_search_set($_SESSION['search'][$_REQUEST['_search']]);
52  $OUTPUT->set_env('search_request', $_REQUEST['_search']);
53  $OUTPUT->set_env('search_text', $_SESSION['last_text_search']);
54  }
55
56
57// set current mailbox in client environment
58$OUTPUT->set_env('mailbox', $IMAP->get_mailbox_name());
59$OUTPUT->set_env('quota', $IMAP->get_capability('quota'));
60$OUTPUT->set_env('delimiter', $IMAP->get_hierarchy_delimiter());
61
62if ($CONFIG['trash_mbox'])
63  $OUTPUT->set_env('trash_mailbox', $CONFIG['trash_mbox']);
64if ($CONFIG['drafts_mbox'])
65  $OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);
66if ($CONFIG['junk_mbox'])
67  $OUTPUT->set_env('junk_mailbox', $CONFIG['junk_mbox']);
68
69if (!$OUTPUT->ajax_call)
70  rcube_add_label('checkingmail', 'deletemessage', 'movemessagetotrash', 'movingmessage');
71
72// set page title
73if (empty($RCMAIL->action) || $RCMAIL->action == 'list')
74  $OUTPUT->set_pagetitle(rcmail_localize_foldername($IMAP->get_mailbox_name()));
75
76
77/**
78 * return the message list as HTML table
79 */
80function rcmail_message_list($attrib)
81  {
82  global $IMAP, $CONFIG, $COMM_PATH, $OUTPUT;
83
84  $skin_path = $CONFIG['skin_path'];
85  $image_tag = '<img src="%s%s" alt="%s" />';
86
87  // check to see if we have some settings for sorting
88  $sort_col   = $_SESSION['sort_col'];
89  $sort_order = $_SESSION['sort_order'];
90 
91  // add some labels to client
92  rcube_add_label('from', 'to');
93
94  // get message headers
95  $a_headers = $IMAP->list_headers('', '', $sort_col, $sort_order);
96
97  // add id to message list table if not specified
98  if (!strlen($attrib['id']))
99    $attrib['id'] = 'rcubemessagelist';
100
101  // allow the following attributes to be added to the <table> tag
102  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
103
104  $out = '<table' . $attrib_str . ">\n";
105
106  // define list of cols to be displayed
107  $a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
108  $a_sort_cols = array('subject', 'date', 'from', 'to', 'size');
109
110  $mbox = $IMAP->get_mailbox_name();
111 
112  // show 'to' instead of from in sent messages
113  if (($mbox==$CONFIG['sent_mbox'] || $mbox==$CONFIG['drafts_mbox']) && ($f = array_search('from', $a_show_cols))
114      && !array_search('to', $a_show_cols))
115    $a_show_cols[$f] = 'to';
116 
117  // add col definition
118  $out .= '<colgroup>';
119  $out .= '<col class="icon" />';
120
121  foreach ($a_show_cols as $col)
122    $out .= sprintf('<col class="%s" />', $col);
123
124  $out .= '<col class="icon" />';
125  $out .= "</colgroup>\n";
126
127  // add table title
128  $out .= "<thead><tr>\n<td class=\"icon\">&nbsp;</td>\n";
129
130  $javascript = '';
131  foreach ($a_show_cols as $col)
132    {
133    // get column name
134    $col_name = $col != 'flag' ? Q(rcube_label($col)) : sprintf($image_tag, $skin_path, $attrib['unflaggedicon'], '');
135
136    // make sort links
137    $sort = '';
138    if (in_array($col, $a_sort_cols))
139      {
140      // have buttons configured
141      if (!empty($attrib['sortdescbutton']) || !empty($attrib['sortascbutton']))
142        {
143        $sort = '&nbsp;&nbsp;';
144
145        // asc link
146        if (!empty($attrib['sortascbutton']))
147          {
148          $sort .= $OUTPUT->button(array(
149            'command' => 'sort',
150            'prop' => $col.'_ASC',
151            'image' => $attrib['sortascbutton'],
152            'align' => 'absmiddle',
153            'title' => 'sortasc'));
154          }       
155       
156        // desc link
157        if (!empty($attrib['sortdescbutton']))
158          {
159          $sort .= $OUTPUT->button(array(
160            'command' => 'sort',
161            'prop' => $col.'_DESC',
162            'image' => $attrib['sortdescbutton'],
163            'align' => 'absmiddle',
164            'title' => 'sortdesc'));
165          }
166        }
167      // just add a link tag to the header
168      else
169        {
170        $col_name = sprintf(
171          '<a href="./#sort" onclick="return %s.command(\'sort\',\'%s\',this)" title="%s">%s</a>',
172          JS_OBJECT_NAME,
173          $col,
174          rcube_label('sortby'),
175          $col_name);
176        }
177      }
178     
179    $sort_class = $col==$sort_col ? " sorted$sort_order" : '';
180
181    // put it all together
182    $out .= '<td class="'.$col.$sort_class.'" id="rcmHead'.$col.'">' . "$col_name$sort</td>\n";   
183    }
184
185  $out .= '<td class="icon">'.($attrib['attachmenticon'] ? sprintf($image_tag, $skin_path, $attrib['attachmenticon'], '') : '')."</td>\n";
186  $out .= "</tr></thead>\n<tbody>\n";
187
188  // no messages in this mailbox
189  if (!sizeof($a_headers))
190    $OUTPUT->show_message('nomessagesfound', 'notice');
191
192
193  $a_js_message_arr = array();
194
195  // create row for each message
196  foreach ($a_headers as $i => $header)  //while (list($i, $header) = each($a_headers))
197    {
198    $message_icon = $attach_icon = $flagged_icon = '';
199    $js_row_arr = array();
200    $zebra_class = $i%2 ? 'even' : 'odd';
201
202    // set messag attributes to javascript array
203    if ($header->deleted)
204      $js_row_arr['deleted'] = true;
205    if (!$header->seen)
206      $js_row_arr['unread'] = true;
207    if ($header->answered)
208      $js_row_arr['replied'] = true;
209    if ($header->forwarded)
210      $js_row_arr['forwarded'] = true;
211    if ($header->flagged)
212      $js_row_arr['flagged'] = true;
213
214    // set message icon 
215    if ($attrib['deletedicon'] && $header->deleted)
216      $message_icon = $attrib['deletedicon'];
217    else if ($attrib['repliedicon'] && $header->answered)
218      {
219      if ($attrib['forwardedrepliedicon'] && $header->forwarded)
220        $message_icon = $attrib['forwardedrepliedicon'];
221      else
222        $message_icon = $attrib['repliedicon'];
223      }
224    else if ($attrib['forwardedicon'] && $header->forwarded)
225      $message_icon = $attrib['forwardedicon'];
226    else if ($attrib['unreadicon'] && !$header->seen)
227      $message_icon = $attrib['unreadicon'];
228    else if ($attrib['messageicon'])
229      $message_icon = $attrib['messageicon'];
230
231    if ($attrib['flaggedicon'] && $header->flagged)
232      $flagged_icon = $attrib['flaggedicon'];
233    else if ($attrib['unflaggedicon'] && !$header->flagged)
234      $flagged_icon = $attrib['unflaggedicon'];
235   
236    // set attachment icon
237    if ($attrib['attachmenticon'] && preg_match("/multipart\/[mr]/i", $header->ctype))
238      $attach_icon = $attrib['attachmenticon'];
239       
240    $out .= sprintf('<tr id="rcmrow%d" class="message%s%s %s">'."\n",
241                    $header->uid,
242                    $header->seen ? '' : ' unread',
243                    $header->deleted ? ' deleted' : '',
244                    $header->flagged ? ' flagged' : '',
245                    $zebra_class);   
246   
247    $out .= sprintf("<td class=\"icon\">%s</td>\n", $message_icon ? sprintf($image_tag, $skin_path, $message_icon, '') : '');
248
249
250    if (!empty($header->charset))
251      $IMAP->set_charset($header->charset);
252 
253    // format each col
254    foreach ($a_show_cols as $col)
255      {
256      if ($col=='from' || $col=='to')
257        $cont = Q(rcmail_address_string($header->$col, 3, false, $attrib['addicon']), 'show');
258      else if ($col=='subject')
259        {
260        $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
261        $uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draft_uid' : '_uid';
262        $cont = Q($IMAP->decode_header($header->$col));
263        if (empty($cont)) $cont = Q(rcube_label('nosubject'));
264        $cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
265        }
266      else if ($col=='flag')
267        $cont = $flagged_icon ? sprintf($image_tag, $skin_path, $flagged_icon, '') : '';
268      else if ($col=='size')
269        $cont = show_bytes($header->$col);
270      else if ($col=='date')
271        $cont = format_date($header->date);
272      else
273        $cont = Q($header->$col);
274       
275      $out .= '<td class="'.$col.'">' . $cont . "</td>\n";
276      }
277
278    $out .= sprintf("<td class=\"icon\">%s</td>\n", $attach_icon ? sprintf($image_tag, $skin_path, $attach_icon, '') : '');
279    $out .= "</tr>\n";
280   
281    if (sizeof($js_row_arr))
282      $a_js_message_arr[$header->uid] = $js_row_arr;
283    }
284 
285  // complete message table
286  $out .= "</tbody></table>\n";
287 
288 
289  $message_count = $IMAP->messagecount();
290 
291  // set client env
292  $OUTPUT->add_gui_object('mailcontframe', 'mailcontframe');
293  $OUTPUT->add_gui_object('messagelist', $attrib['id']);
294  $OUTPUT->set_env('messagecount', $message_count);
295  $OUTPUT->set_env('current_page', $IMAP->list_page);
296  $OUTPUT->set_env('pagecount', ceil($message_count/$IMAP->page_size));
297  $OUTPUT->set_env('sort_col', $sort_col);
298  $OUTPUT->set_env('sort_order', $sort_order);
299 
300  if ($attrib['messageicon'])
301    $OUTPUT->set_env('messageicon', $skin_path . $attrib['messageicon']);
302  if ($attrib['deletedicon'])
303    $OUTPUT->set_env('deletedicon', $skin_path . $attrib['deletedicon']);
304  if ($attrib['unreadicon'])
305    $OUTPUT->set_env('unreadicon', $skin_path . $attrib['unreadicon']);
306  if ($attrib['repliedicon'])
307    $OUTPUT->set_env('repliedicon', $skin_path . $attrib['repliedicon']);
308  if ($attrib['forwardedicon'])
309    $OUTPUT->set_env('forwardedicon', $skin_path . $attrib['forwardedicon']);
310  if ($attrib['forwardedrepliedicon'])
311    $OUTPUT->set_env('forwardedrepliedicon', $skin_path . $attrib['forwardedrepliedicon']);
312  if ($attrib['attachmenticon'])
313    $OUTPUT->set_env('attachmenticon', $skin_path . $attrib['attachmenticon']);
314  if ($attrib['flaggedicon'])
315    $OUTPUT->set_env('flaggedicon', $skin_path . $attrib['flaggedicon']);
316  if ($attrib['unflaggedicon'])
317    $OUTPUT->set_env('unflaggedicon', $skin_path . $attrib['unflaggedicon']);
318 
319  $OUTPUT->set_env('messages', $a_js_message_arr);
320  $OUTPUT->set_env('coltypes', $a_show_cols);
321 
322  $OUTPUT->include_script('list.js');
323 
324  return $out;
325  }
326
327
328/**
329 * return javascript commands to add rows to the message list
330 */
331function rcmail_js_message_list($a_headers, $insert_top=FALSE)
332  {
333  global $CONFIG, $IMAP, $OUTPUT;
334
335  $a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
336  $mbox = $IMAP->get_mailbox_name();
337
338  // show 'to' instead of from in sent messages
339  if (($mbox == $CONFIG['sent_mbox'] || $mbox == $CONFIG['drafts_mbox'])
340      && (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
341    $a_show_cols[$f] = 'to';
342
343  $OUTPUT->command('set_message_coltypes', $a_show_cols);
344
345  // loop through message headers
346  foreach ($a_headers as $n => $header)
347    {
348    $a_msg_cols = array();
349    $a_msg_flags = array();
350   
351    if (empty($header))
352      continue;
353
354    if (!empty($header->charset))
355      $IMAP->set_charset($header->charset);
356
357    // format each col; similar as in rcmail_message_list()
358    foreach ($a_show_cols as $col)
359      {
360      if ($col=='from' || $col=='to')
361        $cont = Q(rcmail_address_string($header->$col, 3), 'show');
362      else if ($col=='subject')
363        {
364        $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
365        $uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draft_uid' : '_uid';
366        $cont = Q($IMAP->decode_header($header->$col));
367        if (!$cont) $cont = Q(rcube_label('nosubject'));
368        $cont = sprintf('<a href="%s" onclick="return rcube_event.cancel(event)">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
369        }
370      else if ($col=='size')
371        $cont = show_bytes($header->$col);
372      else if ($col=='date')
373        $cont = format_date($header->date);
374      else
375        $cont = Q($header->$col);
376         
377      $a_msg_cols[$col] = $cont;
378      }
379
380    $a_msg_flags['deleted'] = $header->deleted ? 1 : 0;
381    $a_msg_flags['unread'] = $header->seen ? 0 : 1;
382    $a_msg_flags['replied'] = $header->answered ? 1 : 0;
383    $a_msg_flags['forwarded'] = $header->forwarded ? 1 : 0;
384    $a_msg_flags['flagged'] = $header->flagged ? 1 : 0;
385   
386    $OUTPUT->command('add_message_row',
387      $header->uid,
388      $a_msg_cols,
389      $a_msg_flags,
390      preg_match("/multipart\/m/i", $header->ctype),
391      $insert_top);
392    }
393  }
394
395
396/**
397 * return an HTML iframe for loading mail content
398 */
399function rcmail_messagecontent_frame($attrib)
400  {
401  global $OUTPUT;
402 
403  if (empty($attrib['id']))
404    $attrib['id'] = 'rcmailcontentwindow';
405
406  // allow the following attributes to be added to the <iframe> tag
407  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height', 'frameborder'));
408  $framename = $attrib['id'];
409
410  $out = sprintf('<iframe name="%s"%s></iframe>'."\n",
411         $framename,
412         $attrib_str);
413
414  $OUTPUT->set_env('contentframe', $framename);
415  $OUTPUT->set_env('blankpage', $attrib['src'] ? $OUTPUT->abs_url($attrib['src']) : 'program/blank.gif');
416
417  return $out;
418  }
419
420
421/**
422 *
423 */
424function rcmail_messagecount_display($attrib)
425  {
426  global $IMAP, $OUTPUT;
427 
428  if (!$attrib['id'])
429    $attrib['id'] = 'rcmcountdisplay';
430
431  $OUTPUT->add_gui_object('countdisplay', $attrib['id']);
432
433  // allow the following attributes to be added to the <span> tag
434  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
435
436 
437  $out = '<span' . $attrib_str . '>';
438  $out .= rcmail_get_messagecount_text();
439  $out .= '</span>';
440  return $out;
441  }
442
443
444/**
445 *
446 */
447function rcmail_quota_display($attrib)
448  {
449  global $OUTPUT, $COMM_PATH;
450
451  if (!$attrib['id'])
452    $attrib['id'] = 'rcmquotadisplay';
453
454  if(isset($attrib['display']))
455    $_SESSION['quota_display'] = $attrib['display'];
456
457  $OUTPUT->add_gui_object('quotadisplay', $attrib['id']);
458
459  // allow the following attributes to be added to the <span> tag
460  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'display'));
461
462  $out = '<span' . $attrib_str . '>';
463  $out .= rcmail_quota_content(NULL, $attrib);
464  $out .= '</span>';
465  return $out;
466  }
467
468
469/**
470 *
471 */
472function rcmail_quota_content($quota=NULL, $attrib=NULL)
473  {
474  global $IMAP, $COMM_PATH, $RCMAIL;
475
476  $display = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
477
478  if (is_array($quota) && !empty($quota['used']) && !empty($quota['total']))
479    {
480      if (!isset($quota['percent']))
481        $quota['percent'] = $quota['used'] / $quota['total'];
482    }
483  elseif (!$IMAP->get_capability('QUOTA'))
484    return rcube_label('unknown');
485  else
486    $quota = $IMAP->get_quota();
487
488  if ($quota && !($quota['total']==0 && $RCMAIL->config->get('quota_zero_as_unlimited')))
489    {
490    $quota_text = sprintf('%s / %s (%.0f%%)',
491                          show_bytes($quota['used'] * 1024),
492                          show_bytes($quota['total'] * 1024),
493                          $quota['percent']);
494
495    // show quota as image (by Brett Patterson)
496    if ($display == 'image' && function_exists('imagegif'))
497      {
498      if (!$attrib['width'])
499        $attrib['width'] = isset($_SESSION['quota_width']) ? $_SESSION['quota_width'] : 100;
500      else
501        $_SESSION['quota_width'] = $attrib['width'];
502
503      if (!$attrib['height'])
504        $attrib['height'] = isset($_SESSION['quota_height']) ? $_SESSION['quota_height'] : 14;
505      else
506        $_SESSION['quota_height'] = $attrib['height'];
507           
508      $quota_text = sprintf('<img src="./bin/quotaimg.php?u=%s&amp;q=%d&amp;w=%d&amp;h=%d" width="%d" height="%d" alt="%s" title="%s / %s" />',
509                            $quota['used'], $quota['total'],
510                            $attrib['width'], $attrib['height'],
511                            $attrib['width'], $attrib['height'],
512                            $quota_text,
513                            show_bytes($quota['used'] * 1024),
514                            show_bytes($quota['total'] * 1024));
515      }
516    }
517  else
518    $quota_text = rcube_label('unlimited');
519
520  return $quota_text;
521  }
522
523
524/**
525 *
526 */
527function rcmail_get_messagecount_text($count=NULL, $page=NULL)
528  {
529  global $IMAP, $MESSAGE;
530 
531  if (isset($MESSAGE->index))
532    {
533    return rcube_label(array('name' => 'messagenrof',
534                             'vars' => array('nr'  => $MESSAGE->index+1,
535                                             'count' => $count!==NULL ? $count : $IMAP->messagecount())));
536    }
537
538  if ($page===NULL)
539    $page = $IMAP->list_page;
540   
541  $start_msg = ($page-1) * $IMAP->page_size + 1;
542  $max = $count!==NULL ? $count : $IMAP->messagecount();
543
544  if ($max==0)
545    $out = rcube_label('mailboxempty');
546  else
547    $out = rcube_label(array('name' => 'messagesfromto',
548                              'vars' => array('from'  => $start_msg,
549                                              'to'    => min($max, $start_msg + $IMAP->page_size - 1),
550                                              'count' => $max)));
551
552  return Q($out);
553  }
554
555/**
556 *
557 */
558function rcmail_mailbox_name_display($attrib)
559{
560    global $RCMAIL;
561
562    if (!$attrib['id'])
563        $attrib['id'] = 'rcmmailboxname';
564
565    $RCMAIL->output->add_gui_object('mailboxname', $attrib['id']);
566
567    return html::span($attrib, rcmail_get_mailbox_name_text());
568}
569
570function rcmail_get_mailbox_name_text()
571{
572    global $RCMAIL;
573    return rcmail_localize_foldername($RCMAIL->imap->get_mailbox_name());
574}
575
576
577/**
578 * Convert the given message part to proper HTML
579 * which can be displayed the message view
580 *
581 * @param object rcube_message_part Message part
582 * @param bool  True if external objects (ie. images ) are allowed
583 * @param bool  True if part should be converted to plaintext
584 * @return string Formatted HTML string
585 */
586function rcmail_print_body($part, $p = array())
587{
588  global $REMOTE_OBJECTS;
589 
590  $p += array('safe' => false, 'plain' => false, 'inline_html' => true);
591 
592  // convert html to text/plain
593  if ($part->ctype_secondary == 'html' && $p['plain']) {
594    $txt = new html2text($part->body, false, true);
595    $body = $txt->get_text();
596    $part->ctype_secondary = 'plain';
597  }
598  // text/html
599  else if ($part->ctype_secondary == 'html') {
600    // charset was converted to UTF-8 in rcube_imap::get_message_part() -> change charset specification in HTML accordingly
601    $html = $part->body;
602    if (preg_match('/(\s+content=[\'"]\w+\/\w+;\s*charset)=([a-z0-9-_]+)/i', $html))
603      $html = preg_replace('/(\s+content=[\'"]\w+\/\w+;\s*charset)=([a-z0-9-_]+)/i', '\\1='.RCMAIL_CHARSET, $html);
604    else {
605      // add <head> for malformed messages, washtml cannot work without that
606      if (!preg_match('/<head>(.*)<\\/head>/Uims', $html))
607        $html = '<head></head>' . $html;
608      $html = substr_replace($html, '<meta http-equiv="Content-Type" content="text/html; charset='.RCMAIL_CHARSET.'" />', intval(stripos($html, '</head>')), 0);
609    }
610
611    // PHP bug #32547 workaround: remove title tag
612    $html = preg_replace('/<title>.*<\/title>/', '', $html);
613
614    // clean HTML with washhtml by Frederic Motte
615    $wash_opts = array(
616      'show_washed' => false,
617      'allow_remote' => $p['safe'],
618      'blocked_src' => "./program/blocked.gif",
619      'charset' => RCMAIL_CHARSET,
620      'cid_map' => $part->replaces,
621      'html_elements' => array('body'),
622    );
623   
624    if (!$p['inline_html']) {
625      $wash_opts['html_elements'] = array('html','head','title','body');
626    }
627   
628    $washer = new washtml($wash_opts);
629    $washer->add_callback('form', 'rcmail_washtml_callback');
630   
631    if ($p['safe']) {  // allow CSS styles, will be sanitized by rcmail_washtml_callback()
632      $washer->add_callback('style', 'rcmail_washtml_callback');
633    }
634   
635    $body = $washer->wash($html);
636    $REMOTE_OBJECTS = $washer->extlinks;
637
638    return $body;
639  }
640  // text/enriched
641  else if ($part->ctype_secondary=='enriched') {
642    $part->ctype_secondary = 'html';
643    return Q(enriched_to_html($part->body), 'show');
644  }
645  else
646    $body = $part->body;
647
648
649  /**** assert plaintext ****/
650
651  // make links and email-addresses clickable
652  $convert_patterns = $convert_replaces = $replace_strings = array();
653 
654  $url_chars = 'a-z0-9_\-\+\*\$\/&%=@#:;';
655  $url_chars_within = '\?\.~,!';
656
657  $convert_patterns[] = "/([\w]+):\/\/([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
658  $convert_replaces[] = "rcmail_str_replacement('<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>', \$replace_strings)";
659
660  $convert_patterns[] = "/([^\/:]|\s)(www\.)([a-z0-9\-]{2,}[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
661  $convert_replaces[] = "rcmail_str_replacement('\\1<a href=\"http://\\2\\3\" target=\"_blank\">\\2\\3</a>', \$replace_strings)";
662 
663  $convert_patterns[] = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/ie';
664  $convert_replaces[] = "rcmail_str_replacement('<a href=\"mailto:\\1\" onclick=\"return ".JS_OBJECT_NAME.".command(\'compose\',\'\\1\',this)\">\\1</a>', \$replace_strings)";
665 
666  // search for patterns like links and e-mail addresses
667  $body = preg_replace($convert_patterns, $convert_replaces, $body);
668
669  // split body into single lines
670  $a_lines = preg_split('/\r?\n/', $body);
671  $quote_level = 0;
672
673  // colorize quoted parts
674  for ($n=0; $n < sizeof($a_lines); $n++) {
675    $line = $a_lines[$n];
676    $quotation = '';
677    $q = 0;
678   
679    if (preg_match('/^(>+\s*)+/', $line, $regs)) {
680      $q    = strlen(preg_replace('/\s/', '', $regs[0]));
681      $line = substr($line, strlen($regs[0]));
682
683      if ($q > $quote_level)
684        $quotation = str_repeat('<blockquote>', $q - $quote_level);
685      else if ($q < $quote_level)
686        $quotation = str_repeat("</blockquote>", $quote_level - $q);
687    }
688    else if ($quote_level > 0)
689      $quotation = str_repeat("</blockquote>", $quote_level);
690
691    $quote_level = $q;
692    $a_lines[$n] = $quotation . Q($line, 'replace', false);  // htmlquote plaintext
693  }
694
695  // insert the links for urls and mailtos
696  $body = preg_replace("/##string_replacement\{([0-9]+)\}##/e", "\$replace_strings[\\1]", join("\n", $a_lines));
697 
698  return "<div class=\"pre\">".$body."\n</div>";
699}
700
701/**
702 * add a string to the replacement array and return a replacement string
703 */
704function rcmail_str_replacement($str, &$rep)
705{
706  static $count = 0;
707  $rep[$count] = stripslashes($str);
708  return "##string_replacement{".($count++)."}##";
709}
710
711
712/**
713 * Callback function for washtml cleaning class
714 */
715function rcmail_washtml_callback($tagname, $attrib, $content)
716{
717  switch ($tagname) {
718    case 'form':
719      $out = html::div('form', $content);
720      break;
721     
722    case 'style':
723      // decode all escaped entities and reduce to ascii strings
724      $stripped = preg_replace('/[^a-zA-Z\(:]/', '', rcmail_xss_entitiy_decode($content));
725     
726      // now check for evil strings like expression, behavior or url()
727      if (!preg_match('/expression|behavior|url\(|import/', $stripped)) {
728        $out = html::tag('style', array('type' => 'text/css'), $content);
729        break;
730      }
731   
732    default:
733      $out = '';
734  }
735 
736  return $out;
737}
738
739
740/**
741 * return table with message headers
742 */
743function rcmail_message_headers($attrib, $headers=NULL)
744  {
745  global $IMAP, $OUTPUT, $MESSAGE, $PRINT_MODE, $CONFIG;
746  static $sa_attrib;
747 
748  // keep header table attrib
749  if (is_array($attrib) && !$sa_attrib)
750    $sa_attrib = $attrib;
751  else if (!is_array($attrib) && is_array($sa_attrib))
752    $attrib = $sa_attrib;
753 
754 
755  if (!isset($MESSAGE))
756    return FALSE;
757
758  // get associative array of headers object
759  if (!$headers)
760    $headers = is_object($MESSAGE->headers) ? get_object_vars($MESSAGE->headers) : $MESSAGE->headers;
761   
762  // add empty subject if none exsists
763  if (empty($headers['subject']))
764    $headers['subject'] = rcube_label('nosubject');
765
766  $header_count = 0;
767 
768  // allow the following attributes to be added to the <table> tag
769  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
770  $out = '<table' . $attrib_str . ">\n";
771
772  // show these headers
773  $standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'bcc', 'replyto', 'date');
774
775  foreach ($standard_headers as $hkey)
776    {
777    if (!$headers[$hkey])
778      continue;
779
780    if ($hkey == 'date')
781      {
782      if ($PRINT_MODE)
783        $header_value = format_date($headers[$hkey], $CONFIG['date_long'] ? $CONFIG['date_long'] : 'x');
784      else
785        $header_value = format_date($headers[$hkey]);
786      }
787    else if ($hkey == 'replyto')
788      {
789      if ($headers['replyto'] != $headers['from'])
790        $header_value = Q(rcmail_address_string($headers['replyto'], null, true, $attrib['addicon']), 'show');
791      else
792        continue;
793      }
794    else if (in_array($hkey, array('from', 'to', 'cc', 'bcc')))
795      $header_value = Q(rcmail_address_string($headers[$hkey], null, true, $attrib['addicon']), 'show');
796    else
797      $header_value = Q($IMAP->decode_header($headers[$hkey]));
798
799    $out .= "\n<tr>\n";
800    $out .= '<td class="header-title">'.Q(rcube_label($hkey)).":&nbsp;</td>\n";
801    $out .= '<td class="'.$hkey.'" width="90%">'.$header_value."</td>\n</tr>";
802    $header_count++;
803    }
804
805  // all headers division
806  $out .= "\n".'<tr><td colspan="2" class="more-headers show-headers"
807        onclick="return '.JS_OBJECT_NAME.'.command(\'load-headers\', \'\', this)"></td></tr>';
808  $out .= "\n".'<tr id="all-headers"><td colspan="2" class="all"><div id="headers-source"></div></td></tr>';
809
810  $OUTPUT->add_gui_object('all_headers_row', 'all-headers');
811  $OUTPUT->add_gui_object('all_headers_box', 'headers-source');
812
813  $out .= "\n</table>\n\n";
814
815  return $header_count ? $out : ''; 
816  }
817
818
819/**
820 * Handler for the 'messagebody' GUI object
821 *
822 * @param array Named parameters
823 * @return string HTML content showing the message body
824 */
825function rcmail_message_body($attrib)
826  {
827  global $CONFIG, $OUTPUT, $MESSAGE, $IMAP, $REMOTE_OBJECTS;
828
829  if (!is_array($MESSAGE->parts) && empty($MESSAGE->body))
830    return '';
831   
832  if (!$attrib['id'])
833    $attrib['id'] = 'rcmailMsgBody';
834
835  $safe_mode = $MESSAGE->is_safe || intval($_GET['_safe']);
836  $out = '';
837 
838  $header_attrib = array();
839  foreach ($attrib as $attr => $value)
840    if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs))
841      $header_attrib[$regs[1]] = $value;
842
843  if (!empty($MESSAGE->parts))
844    {
845    foreach ($MESSAGE->parts as $i => $part)
846      {
847      if ($part->type == 'headers')
848        $out .= rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : NULL, $part->headers);
849      else if ($part->type == 'content')
850        {
851        if (empty($part->ctype_parameters) || empty($part->ctype_parameters['charset']))
852          $part->ctype_parameters['charset'] = $MESSAGE->headers->charset;
853
854        // fetch part if not available
855        if (!isset($part->body))
856          $part->body = $MESSAGE->get_part_content($part->mime_id);
857
858        $body = rcmail_print_body($part, array('safe' => $safe_mode, 'plain' => !$CONFIG['prefer_html']));
859
860        if ($part->ctype_secondary == 'html')
861          $out .= html::div('message-htmlpart', rcmail_html4inline($body, $attrib['id']));
862        else
863          $out .= html::div('message-part', $body);
864        }
865      }
866    }
867  else
868    $out .= html::div('message-part', html::div('pre', Q($MESSAGE->body)));
869
870
871  $ctype_primary = strtolower($MESSAGE->structure->ctype_primary);
872  $ctype_secondary = strtolower($MESSAGE->structure->ctype_secondary);
873
874  // list images after mail body
875  if ($CONFIG['inline_images']
876      && $ctype_primary == 'multipart'
877      && !empty($MESSAGE->attachments)
878      && !strstr($message_body, '<html'))
879    {
880    foreach ($MESSAGE->attachments as $attach_prop) {
881      if (strpos($attach_prop->mimetype, 'image/') === 0) {
882        $out .= html::tag('hr') . html::p(array('align' => "center"),
883          html::img(array(
884            'src' => $MESSAGE->get_part_url($attach_prop->mime_id),
885            'title' => $attach_prop->filename,
886            'alt' => $attach_prop->filename,
887          )));
888        }
889    }
890  }
891 
892  // tell client that there are blocked remote objects
893  if ($REMOTE_OBJECTS && !$safe_mode)
894    $OUTPUT->set_env('blockedobjects', true);
895
896  return html::div($attrib, $out);
897  }
898
899
900
901/**
902 * modify a HTML message that it can be displayed inside a HTML page
903 */
904function rcmail_html4inline($body, $container_id)
905  {
906  $base_url = "";
907  $last_style_pos = 0;
908  $body_lc = strtolower($body);
909 
910  // check for <base href>
911  if (preg_match(($base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i'), $body, $base_regs))
912    $base_url = $base_regs[2];
913 
914  // find STYLE tags
915  while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos)))
916    {
917    $pos = strpos($body_lc, '>', $pos)+1;
918
919    // replace all css definitions with #container [def]
920    $styles = rcmail_mod_css_styles(substr($body, $pos, $pos2-$pos), $container_id, $base_url);
921
922    $body = substr($body, 0, $pos) . $styles . substr($body, $pos2);
923    $body_lc = strtolower($body);
924    $last_style_pos = $pos2;
925    }
926
927  // resolve <base href>
928  if ($base_url)
929    {
930    $body = preg_replace('/(src|background|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$base_url').'\"'", $body);
931    $body = preg_replace('/(url\s*\()(["\']?)([\.\/]+[^"\'\)\s]+)(\2)\)/Uie', "'\\1\''.make_absolute_url('\\3', '$base_url').'\')'", $body);
932    $body = preg_replace($base_reg, '', $body);
933    }
934   
935  // modify HTML links to open a new window if clicked
936  $body = preg_replace('/<(a|link)\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1','\\2', '$container_id');", $body);
937
938  // add comments arround html and other tags
939  $out = preg_replace(array(
940      '/(<!DOCTYPE[^>]*>)/i',
941      '/(<\?xml[^>]*>)/i',
942      '/(<\/?html[^>]*>)/i',
943      '/(<\/?head[^>]*>)/i',
944      '/(<title[^>]*>.*<\/title>)/Ui',
945      '/(<\/?meta[^>]*>)/i'),
946    '<!--\\1-->',
947    $body);
948
949  $out = preg_replace(
950    array('/<body([^>]*)>/i', '/<\/body>/i'),
951    array('<div class="rcmBody"\\1>', '</div>'),
952    $out);
953
954  // quote <? of php and xml files that are specified as text/html
955  $out = preg_replace(array('/<\?/', '/\?>/'), array('&lt;?', '?&gt;'), $out);
956
957  return $out;
958  }
959
960
961/**
962 * parse link attributes and set correct target
963 */
964function rcmail_alter_html_link($tag, $attrs, $container_id)
965  {
966  $attrib = parse_attrib_string($attrs);
967
968  if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href']))
969    $attrib['href'] = "./bin/modcss.php?u=" . urlencode($attrib['href']) . "&amp;c=" . urlencode($container_id);
970
971  else if (stristr((string)$attrib['href'], 'mailto:'))
972    $attrib['onclick'] = sprintf(
973      "return %s.command('compose','%s',this)",
974      JS_OBJECT_NAME,
975      JQ(substr($attrib['href'], 7)));
976
977  else if (!empty($attrib['href']) && $attrib['href']{0}!='#')
978    $attrib['target'] = '_blank';
979
980  return "<$tag" . create_attrib_string($attrib, array('href','name','target','onclick','id','class','style','title','rel','type','media')) . ' />';
981  }
982
983
984/**
985 * decode address string and re-format it as HTML links
986 */
987function rcmail_address_string($input, $max=null, $linked=false, $addicon=null)
988{
989  global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $EMAIL_ADDRESS_PATTERN;
990
991  $a_parts = $IMAP->decode_address_list($input);
992
993  if (!sizeof($a_parts))
994    return $input;
995
996  $c = count($a_parts);
997  $j = 0;
998  $out = '';
999
1000  foreach ($a_parts as $part) {
1001    $j++;
1002    if ($PRINT_MODE) {
1003      $out .= sprintf('%s &lt;%s&gt;', Q($part['name']), $part['mailto']);
1004    }
1005    else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto'])) {
1006      if ($linked) {
1007        $out .= html::a(array(
1008            'href' => 'mailto:'.$part['mailto'],
1009            'onclick' => sprintf("return %s.command('compose','%s',this)", JS_OBJECT_NAME, JQ($part['mailto'])),
1010            'title' => $part['mailto'],
1011            'class' => "rcmContactAddress",
1012          ),
1013        Q($part['name']));
1014      }
1015      else {
1016        $out .= html::span(array('title' => $part['mailto'], 'class' => "rcmContactAddress"), Q($part['name']));
1017      }
1018
1019      if ($addicon) {
1020        $out .= '&nbsp;' . html::a(array(
1021            'href' => "#add",
1022            'onclick' => sprintf("return %s.command('add-contact','%s',this)", JS_OBJECT_NAME, urlencode($part['string'])),
1023            'title' => rcube_label('addtoaddressbook'),
1024          ),
1025          html::img(array(
1026            'src' => $CONFIG['skin_path'] . $addicon,
1027            'alt' => "Add contact",
1028            'border' => 0,
1029          )));
1030      }
1031    }
1032    else {
1033      if ($part['name'])
1034        $out .= Q($part['name']);
1035      if ($part['mailto'])
1036        $out .= (strlen($out) ? ' ' : '') . sprintf('&lt;%s&gt;', Q($part['mailto']));
1037    }
1038     
1039    if ($c>$j)
1040      $out .= ','.($max ? '&nbsp;' : ' ');
1041       
1042    if ($max && $j==$max && $c>$j) {
1043      $out .= '...';
1044      break;
1045    }
1046  }
1047   
1048  return $out;
1049}
1050
1051
1052/**
1053 * Wrap text to a given number of characters per line
1054 * but respect the mail quotation of replies messages (>)
1055 *
1056 * @param string Text to wrap
1057 * @param int The line width
1058 * @return string The wrapped text
1059 */
1060function rcmail_wrap_quoted($text, $max = 76)
1061{
1062  // Rebuild the message body with a maximum of $max chars, while keeping quoted message.
1063  $lines = preg_split('/\r?\n/', trim($text));
1064  $out = '';
1065
1066  foreach ($lines as $line) {
1067    if (strlen($line) > $max) {
1068      if (preg_match('/^([>\s]+)/', $line, $regs)) {
1069        $length = strlen($regs[0]);
1070        $prefix = substr($line, 0, $length);
1071
1072        // Remove '> ' from the line, then wordwrap() the line
1073        $line = wordwrap(substr($line, $length), $max - $length);
1074
1075        // Rebuild the line with '> ' at the beginning of each 'subline'
1076        $newline = '';
1077        foreach (explode("\n", $line) as $l) {
1078          $newline .= $prefix . $l . "\n";
1079        }
1080
1081        // Remove the righest newline char
1082        $line = rtrim($newline);
1083      }
1084      else {
1085        $line = wordwrap($line, $max);
1086      }
1087    }
1088
1089    // Append the line
1090    $out .= $line . "\n";
1091  }
1092 
1093  return $out;
1094}
1095
1096
1097function rcmail_message_part_controls()
1098  {
1099  global $MESSAGE;
1100 
1101  $part = asciiwords(get_input_value('_part', RCUBE_INPUT_GPC));
1102  if (!is_object($MESSAGE) || !is_array($MESSAGE->parts) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE->mime_parts[$part])
1103    return '';
1104   
1105  $part = $MESSAGE->mime_parts[$part];
1106  $table = new html_table(array('cols' => 3));
1107 
1108  if (!empty($part->filename)) {
1109    $table->add('title', Q(rcube_label('filename')));
1110    $table->add(null, Q($part->filename));
1111    $table->add(null, '[' . html::a('?'.str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']), Q(rcube_label('download'))) . ']');
1112  }
1113 
1114  if (!empty($part->size)) {
1115    $table->add('title', Q(rcube_label('filesize')));
1116    $table->add(null, Q(show_bytes($part->size)));
1117  }
1118 
1119  return $table->show($attrib);
1120  }
1121
1122
1123
1124function rcmail_message_part_frame($attrib)
1125  {
1126  global $MESSAGE;
1127 
1128  $part = $MESSAGE->mime_parts[asciiwords(get_input_value('_part', RCUBE_INPUT_GPC))];
1129  $ctype_primary = strtolower($part->ctype_primary);
1130
1131  $attrib['src'] = Q('./?'.str_replace('_frame=', ($ctype_primary=='text' ? '_show=' : '_preload='), $_SERVER['QUERY_STRING']));
1132
1133  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height'));
1134  $out = '<iframe '. $attrib_str . "></iframe>";
1135   
1136  return $out;
1137  }
1138
1139
1140/**
1141 * clear message composing settings
1142 */
1143function rcmail_compose_cleanup()
1144  {
1145  if (!isset($_SESSION['compose']))
1146    return;
1147
1148  // remove attachment files from temp dir
1149  if (is_array($_SESSION['compose']['attachments']))
1150    foreach ($_SESSION['compose']['attachments'] as $attachment)
1151      @unlink($attachment['path']);
1152 
1153  unset($_SESSION['compose']);
1154  }
1155 
1156
1157/**
1158 * Send the given message compose object using the configured method
1159 */
1160function rcmail_deliver_message(&$message, $from, $mailto)
1161{
1162  global $CONFIG;
1163
1164  $msg_body = $message->get();
1165  $headers = $message->headers();
1166
1167  // send thru SMTP server using custom SMTP library
1168  if ($CONFIG['smtp_server'])
1169    {
1170    // generate list of recipients
1171    $a_recipients = array($mailto);
1172 
1173    if (strlen($headers['Cc']))
1174      $a_recipients[] = $headers['Cc'];
1175    if (strlen($headers['Bcc']))
1176      $a_recipients[] = $headers['Bcc'];
1177 
1178    // clean Bcc from header for recipients
1179    $send_headers = $headers;
1180    unset($send_headers['Bcc']);
1181    // here too, it because txtHeaders() below use $message->_headers not only $send_headers
1182    unset($message->_headers['Bcc']);
1183
1184    // send message
1185    $smtp_response = array();
1186    $sent = smtp_mail($from, $a_recipients, ($foo = $message->txtHeaders($send_headers, true)), $msg_body, $smtp_response);
1187
1188    // log error
1189    if (!$sent)
1190      raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
1191                        'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
1192    }
1193 
1194  // send mail using PHP's mail() function
1195  else
1196    {
1197    // unset some headers because they will be added by the mail() function
1198    $headers_enc = $message->headers($headers);
1199    $headers_php = $message->_headers;
1200    unset($headers_php['To'], $headers_php['Subject']);
1201   
1202    // reset stored headers and overwrite
1203    $message->_headers = array();
1204    $header_str = $message->txtHeaders($headers_php);
1205 
1206    if (ini_get('safe_mode'))
1207      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str);
1208    else
1209      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
1210    }
1211 
1212  if ($sent)
1213  {
1214    // remove MDN headers after sending
1215    unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']);
1216   
1217    if ($CONFIG['smtp_log'])
1218      write_log('sendmail', sprintf("[%s] User: %d on %s; Message for %s; %s",
1219                date("d-M-Y H:i:s O", mktime()),
1220                $_SESSION['user_id'],
1221                $_SERVER['REMOTE_ADDR'],
1222                $mailto,
1223                !empty($smtp_response) ? join('; ', $smtp_response) : ''));
1224  }
1225 
1226  $message->_headers = array();
1227  $message->headers($headers);
1228 
1229  return $sent;
1230}
1231
1232
1233function rcmail_send_mdn($uid)
1234{
1235  global $RCMAIL, $IMAP;
1236
1237  $message = new rcube_message($uid);
1238 
1239  if ($message->headers->mdn_to && !$message->headers->mdn_sent && $IMAP->check_permflag('MDNSENT'))
1240  {
1241    $identity = $RCMAIL->user->get_identity();
1242    $sender = format_email_recipient($identity['email'], $identity['name']);
1243    $recipient = array_shift($IMAP->decode_address_list($message->headers->mdn_to));
1244    $mailto = $recipient['mailto'];
1245
1246    $compose = new rcube_mail_mime($RCMAIL->config->header_delimiter());
1247    $compose->setParam(array(
1248      'text_encoding' => 'quoted-printable',
1249      'html_encoding' => 'quoted-printable',
1250      'head_encoding' => 'quoted-printable',
1251      'head_charset'  => RCMAIL_CHARSET,
1252      'html_charset'  => RCMAIL_CHARSET,
1253      'text_charset'  => RCMAIL_CHARSET,
1254    ));
1255   
1256    // compose headers array
1257    $headers = array(
1258      'Date' => date('r'),
1259      'From' => $sender,
1260      'To'   => $message->headers->mdn_to,
1261      'Subject' => rcube_label('receiptread') . ': ' . $message->subject,
1262      'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host'])),
1263      'X-Sender' => $identity['email'],
1264      'Content-Type' => 'multipart/report; report-type=disposition-notification',
1265    );
1266   
1267    if ($agent = $RCMAIL->config->get('useragent'))
1268      $headers['User-Agent'] = $agent;
1269
1270    $body = rcube_label("yourmessage") . "\r\n\r\n" .
1271      "\t" . rcube_label("to") . ': ' . rcube_imap::decode_mime_string($message->headers->to, $message->headers->charset) . "\r\n" .
1272      "\t" . rcube_label("subject") . ': ' . $message->subject . "\r\n" .
1273      "\t" . rcube_label("sent") . ': ' . format_date($message->headers->date, $RCMAIL->config->get('date_long')) . "\r\n" .
1274      "\r\n" . rcube_label("receiptnote") . "\r\n";
1275   
1276    $ua = $RCMAIL->config->get('useragent', "RoundCube Webmail (Version ".RCMAIL_VERSION.")");
1277    $report = "Reporting-UA: $ua\r\n";
1278   
1279    if ($message->headers->to)
1280        $report .= "Original-Recipient: {$message->headers->to}\r\n";
1281   
1282    $report .= "Final-Recipient: rfc822; {$identity['email']}\r\n" .
1283               "Original-Message-ID: {$message->headers->messageID}\r\n" .
1284               "Disposition: manual-action/MDN-sent-manually; displayed\r\n";
1285   
1286    $compose->headers($headers);
1287    $compose->setTXTBody(wordwrap($body, 75, "\r\n"));
1288    $compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');
1289
1290    $sent = rcmail_deliver_message($compose, $identity['email'], $mailto);
1291
1292    if ($sent)
1293    {
1294      $IMAP->set_flag($message->uid, 'MDNSENT');
1295      return true;
1296    }
1297  }
1298 
1299  return false;
1300}
1301
1302
1303// register UI objects
1304$OUTPUT->add_handlers(array(
1305  'mailboxlist' => 'rcmail_mailbox_list',
1306  'messages' => 'rcmail_message_list',
1307  'messagecountdisplay' => 'rcmail_messagecount_display',
1308  'quotadisplay' => 'rcmail_quota_display',
1309  'mailboxname' => 'rcmail_mailbox_name_display',
1310  'messageheaders' => 'rcmail_message_headers',
1311  'messagebody' => 'rcmail_message_body',
1312  'messagecontentframe' => 'rcmail_messagecontent_frame',
1313  'messagepartframe' => 'rcmail_message_part_frame',
1314  'messagepartcontrols' => 'rcmail_message_part_controls',
1315  'searchform' => array($OUTPUT, 'search_form'),
1316));
1317
1318?>
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