source: github/program/steps/mail/func.inc @ 06895c3

HEADcourier-fixdev-browser-capabilitiespdorelease-0.6release-0.7release-0.8
Last change on this file since 06895c3 was 06895c3, checked in by thomascube <thomas@…>, 6 years ago

Better refresh of message list; improved HTML mail display

  • Property mode set to 100644
File size: 47.8 KB
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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) 2005-2007, 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/html2text.inc');
23require_once('lib/enriched.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  {
34  $IMAP->set_mailbox($mbox);
35  $_SESSION['mbox'] = $mbox;
36  }
37
38if (!empty($_GET['_page']))
39  {
40  $IMAP->set_page((int)$_GET['_page']);
41  $_SESSION['page'] = (int)$_GET['_page'];
42  }
43
44// set mailbox to INBOX if not set
45if (empty($_SESSION['mbox']))
46  $_SESSION['mbox'] = $IMAP->get_mailbox_name();
47
48// set default sort col/order to session
49if (!isset($_SESSION['sort_col']))
50  $_SESSION['sort_col'] = $CONFIG['message_sort_col'];
51if (!isset($_SESSION['sort_order']))
52  $_SESSION['sort_order'] = $CONFIG['message_sort_order'];
53
54// set message set for search result
55if (!empty($_REQUEST['_search']) && isset($_SESSION['search'][$_REQUEST['_search']]))
56  $IMAP->set_search_set($_SESSION['search'][$_REQUEST['_search']]);
57
58
59// define url for getting message parts
60if (strlen($_GET['_uid']))
61  $GET_URL = rcmail_url('get', array('_mbox'=>$IMAP->get_mailbox_name(), '_uid'=>get_input_value('_uid', RCUBE_INPUT_GET)));
62
63
64// set current mailbox in client environment
65$OUTPUT->set_env('mailbox', $IMAP->get_mailbox_name());
66$OUTPUT->set_env('quota', $IMAP->get_capability('quota'));
67
68if ($CONFIG['trash_mbox'])
69  $OUTPUT->set_env('trash_mailbox', $CONFIG['trash_mbox']);
70if ($CONFIG['drafts_mbox'])
71  $OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);
72if ($CONFIG['junk_mbox'])
73  $OUTPUT->set_env('junk_mailbox', $CONFIG['junk_mbox']);
74
75if (!$OUTPUT->ajax_call)
76  rcube_add_label('checkingmail');
77
78
79// return the mailboxlist in HTML
80function rcmail_mailbox_list($attrib)
81  {
82  global $IMAP, $CONFIG, $OUTPUT, $COMM_PATH;
83  static $s_added_script = FALSE;
84  static $a_mailboxes;
85
86  // add some labels to client
87  rcube_add_label('purgefolderconfirm');
88  rcube_add_label('deletemessagesconfirm');
89 
90// $mboxlist_start = rcube_timer();
91 
92  $type = $attrib['type'] ? $attrib['type'] : 'ul';
93  $add_attrib = $type=='select' ? array('style', 'class', 'id', 'name', 'onchange') :
94                                  array('style', 'class', 'id');
95                                 
96  if ($type=='ul' && !$attrib['id'])
97    $attrib['id'] = 'rcmboxlist';
98
99  // allow the following attributes to be added to the <ul> tag
100  $attrib_str = create_attrib_string($attrib, $add_attrib);
101 
102  $out = '<' . $type . $attrib_str . ">\n";
103 
104  // add no-selection option
105  if ($type=='select' && $attrib['noselection'])
106    $out .= sprintf('<option value="0">%s</option>'."\n",
107                    rcube_label($attrib['noselection']));
108 
109  // get mailbox list
110  $mbox_name = $IMAP->get_mailbox_name();
111 
112  // for these mailboxes we have localized labels
113  $special_mailboxes = array('inbox', 'sent', 'drafts', 'trash', 'junk');
114
115
116  // build the folders tree
117  if (empty($a_mailboxes))
118    {
119    // get mailbox list
120    $a_folders = $IMAP->list_mailboxes();
121    $delimiter = $IMAP->get_hierarchy_delimiter();
122    $a_mailboxes = array();
123
124// rcube_print_time($mboxlist_start, 'list_mailboxes()');
125
126    foreach ($a_folders as $folder)
127      rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
128    }
129
130// var_dump($a_mailboxes);
131
132  if ($type=='select')
133    $out .= rcmail_render_folder_tree_select($a_mailboxes, $special_mailboxes, $mbox_name, $attrib['maxlength']);
134   else
135    $out .= rcmail_render_folder_tree_html($a_mailboxes, $special_mailboxes, $mbox_name, $attrib['maxlength']);
136
137// rcube_print_time($mboxlist_start, 'render_folder_tree()');
138
139
140  if ($type=='ul')
141    $OUTPUT->add_gui_object('mailboxlist', $attrib['id']);
142
143  return $out . "</$type>";
144  }
145
146
147
148
149// create a hierarchical array of the mailbox list
150function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
151  {
152  $pos = strpos($folder, $delm);
153  if ($pos !== false)
154    {
155    $subFolders = substr($folder, $pos+1);
156    $currentFolder = substr($folder, 0, $pos);
157    }
158  else
159    {
160    $subFolders = false;
161    $currentFolder = $folder;
162    }
163
164  $path .= $currentFolder;
165
166  if (!isset($arrFolders[$currentFolder]))
167    {
168    $arrFolders[$currentFolder] = array('id' => $path,
169                                        'name' => rcube_charset_convert($currentFolder, 'UTF-7'),
170                                        'folders' => array());
171    }
172
173  if (!empty($subFolders))
174    rcmail_build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
175  }
176 
177
178// return html for a structured list <ul> for the mailbox tree
179function rcmail_render_folder_tree_html(&$arrFolders, &$special, &$mbox_name, $maxlength, $nestLevel=0)
180  {
181  global $COMM_PATH, $IMAP, $CONFIG, $OUTPUT;
182
183  $idx = 0;
184  $out = '';
185  foreach ($arrFolders as $key => $folder)
186    {
187    $zebra_class = ($nestLevel*$idx)%2 ? 'even' : 'odd';
188    $title = '';
189
190    $folder_lc = strtolower($folder['id']);
191    if (in_array($folder_lc, $special))
192      $foldername = rcube_label($folder_lc);
193    else
194      {
195      $foldername = $folder['name'];
196
197      // shorten the folder name to a given length
198      if ($maxlength && $maxlength>1)
199        {
200        $fname = abbrevate_string($foldername, $maxlength);
201        if ($fname != $foldername)
202          $title = ' title="'.Q($foldername).'"';
203        $foldername = $fname;
204        }
205      }
206
207    // add unread message count display
208    if ($unread_count = $IMAP->messagecount($folder['id'], 'RECENT', ($folder['id']==$mbox_name)))
209      $foldername .= sprintf(' (%d)', $unread_count);
210
211    // make folder name safe for ids and class names
212    $folder_id = preg_replace('/[^A-Za-z0-9\-_]/', '', $folder['id']);
213    $class_name = preg_replace('/[^a-z0-9\-_]/', '', $folder_lc);
214
215    // set special class for Sent, Drafts, Trash and Junk
216    if ($folder['id']==$CONFIG['sent_mbox'])
217      $class_name = 'sent';
218    else if ($folder['id']==$CONFIG['drafts_mbox'])
219      $class_name = 'drafts';
220    else if ($folder['id']==$CONFIG['trash_mbox'])
221      $class_name = 'trash';
222    else if ($folder['id']==$CONFIG['junk_mbox'])
223      $class_name = 'junk';
224
225    $js_name = htmlspecialchars(JQ($folder['id']));
226    $out .= sprintf('<li id="rcmli%s" class="mailbox %s %s%s%s"><a href="%s"'.
227                    ' onclick="return %s.command(\'list\',\'%s\',this)"'.
228                    ' onmouseover="return %s.focus_folder(\'%s\')"' .
229                    ' onmouseout="return %s.unfocus_folder(\'%s\')"' .
230                    ' onmouseup="return %s.folder_mouse_up(\'%s\')"%s>%s</a>',
231                    $folder_id,
232                    $class_name,
233                    $zebra_class,
234                    $unread_count ? ' unread' : '',
235                    $folder['id']==$mbox_name ? ' selected' : '',
236                    Q(rcmail_url('', array('_mbox' => $folder['id']))),
237                    JS_OBJECT_NAME,
238                    $js_name,
239                    JS_OBJECT_NAME,
240                    $js_name,
241                    JS_OBJECT_NAME,
242                    $js_name,
243                    JS_OBJECT_NAME,
244                    $js_name,
245                    $title,
246                    Q($foldername));
247
248    if (!empty($folder['folders']))
249      $out .= "\n<ul>\n" . rcmail_render_folder_tree_html($folder['folders'], $special, $mbox_name, $maxlength, $nestLevel+1) . "</ul>\n";
250
251    $out .= "</li>\n";
252    $idx++;
253    }
254
255  return $out;
256  }
257
258
259// return html for a flat list <select> for the mailbox tree
260function rcmail_render_folder_tree_select(&$arrFolders, &$special, &$mbox_name, $maxlength, $nestLevel=0)
261  {
262  global $IMAP, $OUTPUT;
263
264  $idx = 0;
265  $out = '';
266  foreach ($arrFolders as $key=>$folder)
267    {
268    $folder_lc = strtolower($folder['id']);
269    if (in_array($folder_lc, $special))
270      $foldername = rcube_label($folder_lc);
271    else
272      {
273      $foldername = $folder['name'];
274     
275      // shorten the folder name to a given length
276      if ($maxlength && $maxlength>1)
277        $foldername = abbrevate_string($foldername, $maxlength);
278      }
279
280    $out .= sprintf('<option value="%s">%s%s</option>'."\n",
281                    htmlspecialchars($folder['id']),
282                    str_repeat('&nbsp;', $nestLevel*4),
283                    Q($foldername));
284
285    if (!empty($folder['folders']))
286      $out .= rcmail_render_folder_tree_select($folder['folders'], $special, $mbox_name, $maxlength, $nestLevel+1);
287
288    $idx++;
289    }
290
291  return $out;
292  }
293
294
295// return the message list as HTML table
296function rcmail_message_list($attrib)
297  {
298  global $IMAP, $CONFIG, $COMM_PATH, $OUTPUT;
299
300  $skin_path = $CONFIG['skin_path'];
301  $image_tag = '<img src="%s%s" alt="%s" border="0" />';
302
303  // check to see if we have some settings for sorting
304  $sort_col   = $_SESSION['sort_col'];
305  $sort_order = $_SESSION['sort_order'];
306 
307  // add some labels to client
308  rcube_add_label('from', 'to');
309
310  // get message headers
311  $a_headers = $IMAP->list_headers('', '', $sort_col, $sort_order);
312
313  // add id to message list table if not specified
314  if (!strlen($attrib['id']))
315    $attrib['id'] = 'rcubemessagelist';
316
317  // allow the following attributes to be added to the <table> tag
318  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
319
320  $out = '<table' . $attrib_str . ">\n";
321
322
323  // define list of cols to be displayed
324  $a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
325  $a_sort_cols = array('subject', 'date', 'from', 'to', 'size');
326
327  $mbox = $IMAP->get_mailbox_name();
328 
329  // show 'to' instead of from in sent messages
330  if (($mbox==$CONFIG['sent_mbox'] || $mbox==$CONFIG['drafts_mbox']) && ($f = array_search('from', $a_show_cols))
331      && !array_search('to', $a_show_cols))
332    $a_show_cols[$f] = 'to';
333 
334  // add col definition
335  $out .= '<colgroup>';
336  $out .= '<col class="icon" />';
337
338  foreach ($a_show_cols as $col)
339    $out .= sprintf('<col class="%s" />', $col);
340
341  $out .= '<col class="icon" />';
342  $out .= "</colgroup>\n";
343
344  // add table title
345  $out .= "<thead><tr>\n<td class=\"icon\">&nbsp;</td>\n";
346
347  $javascript = '';
348  foreach ($a_show_cols as $col)
349    {
350    // get column name
351    $col_name = Q(rcube_label($col));
352
353    // make sort links
354    $sort = '';
355    if ($IMAP->get_capability('sort') && in_array($col, $a_sort_cols))
356      {
357      // have buttons configured
358      if (!empty($attrib['sortdescbutton']) || !empty($attrib['sortascbutton']))
359        {
360        $sort = '&nbsp;&nbsp;';
361
362        // asc link
363        if (!empty($attrib['sortascbutton']))
364          {
365          $sort .= $OUTPUT->button(array(
366            'command' => 'sort',
367            'prop' => $col.'_ASC',
368            'image' => $attrib['sortascbutton'],
369            'align' => 'absmiddle',
370            'title' => 'sortasc'));
371          }       
372       
373        // desc link
374        if (!empty($attrib['sortdescbutton']))
375          {
376          $sort .= $OUTPUT->button(array(
377            'command' => 'sort',
378            'prop' => $col.'_DESC',
379            'image' => $attrib['sortdescbutton'],
380            'align' => 'absmiddle',
381            'title' => 'sortdesc'));
382          }
383        }
384      // just add a link tag to the header
385      else
386        {
387        $col_name = sprintf(
388          '<a href="./#sort" onclick="return %s.command(\'sort\',\'%s\',this)" title="%s">%s</a>',
389          JS_OBJECT_NAME,
390          $col,
391          rcube_label('sortby'),
392          $col_name);
393        }
394      }
395     
396    $sort_class = $col==$sort_col ? " sorted$sort_order" : '';
397
398    // put it all together
399    $out .= '<td class="'.$col.$sort_class.'" id="rcmHead'.$col.'">' . "$col_name$sort</td>\n";   
400    }
401
402  $out .= '<td class="icon">'.($attrib['attachmenticon'] ? sprintf($image_tag, $skin_path, $attrib['attachmenticon'], '') : '')."</td>\n";
403  $out .= "</tr></thead>\n<tbody>\n";
404
405  // no messages in this mailbox
406  if (!sizeof($a_headers))
407    {
408    $out .= sprintf('<tr><td colspan="%d">%s</td></tr>',
409                    sizeof($a_show_cols)+2,
410                    Q(rcube_label('nomessagesfound')));
411    }
412
413
414  $a_js_message_arr = array();
415
416  // create row for each message
417  foreach ($a_headers as $i => $header)  //while (list($i, $header) = each($a_headers))
418    {
419    $message_icon = $attach_icon = '';
420    $js_row_arr = array();
421    $zebra_class = $i%2 ? 'even' : 'odd';
422
423    // set messag attributes to javascript array
424    if ($header->deleted)
425      $js_row_arr['deleted'] = true;
426    if (!$header->seen)
427      $js_row_arr['unread'] = true;
428    if ($header->answered)
429      $js_row_arr['replied'] = true;
430    // set message icon 
431    if ($attrib['deletedicon'] && $header->deleted)
432      $message_icon = $attrib['deletedicon'];
433    else if ($attrib['unreadicon'] && !$header->seen)
434      $message_icon = $attrib['unreadicon'];
435    else if ($attrib['repliedicon'] && $header->answered)
436      $message_icon = $attrib['repliedicon'];
437    else if ($attrib['messageicon'])
438      $message_icon = $attrib['messageicon'];
439   
440    // set attachment icon
441    if ($attrib['attachmenticon'] && preg_match("/multipart\/[mr]/i", $header->ctype))
442      $attach_icon = $attrib['attachmenticon'];
443       
444    $out .= sprintf('<tr id="rcmrow%d" class="message%s%s %s">'."\n",
445                    $header->uid,
446                    $header->seen ? '' : ' unread',
447                    $header->deleted ? ' deleted' : '',
448                    $zebra_class);   
449   
450    $out .= sprintf("<td class=\"icon\">%s</td>\n", $message_icon ? sprintf($image_tag, $skin_path, $message_icon, '') : '');
451   
452    // format each col
453    foreach ($a_show_cols as $col)
454      {
455      if ($col=='from' || $col=='to')
456        $cont = Q(rcmail_address_string($header->$col, 3, $attrib['addicon']), 'show');
457      else if ($col=='subject')
458        {
459        $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
460        $uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draf_uid' : '_uid';
461        $cont = Q(rcube_imap::decode_mime_string($header->$col, $header->charset));
462        if (empty($cont)) $cont = Q(rcube_label('nosubject'));
463        $cont = sprintf('<a href="%s" onclick="return false">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
464        }
465      else if ($col=='size')
466        $cont = show_bytes($header->$col);
467      else if ($col=='date')
468        $cont = format_date($header->date);
469      else
470        $cont = Q($header->$col);
471       
472      $out .= '<td class="'.$col.'">' . $cont . "</td>\n";
473      }
474
475    $out .= sprintf("<td class=\"icon\">%s</td>\n", $attach_icon ? sprintf($image_tag, $skin_path, $attach_icon, '') : '');
476    $out .= "</tr>\n";
477   
478    if (sizeof($js_row_arr))
479      $a_js_message_arr[$header->uid] = $js_row_arr;
480    }
481 
482  // complete message table
483  $out .= "</tbody></table>\n";
484 
485 
486  $message_count = $IMAP->messagecount();
487 
488  // set client env
489  $OUTPUT->add_gui_object('mailcontframe', 'mailcontframe');
490  $OUTPUT->add_gui_object('messagelist', $attrib['id']);
491  $OUTPUT->set_env('messagecount', $message_count);
492  $OUTPUT->set_env('current_page', $IMAP->list_page);
493  $OUTPUT->set_env('pagecount', ceil($message_count/$IMAP->page_size));
494  $OUTPUT->set_env('sort_col', $sort_col);
495  $OUTPUT->set_env('sort_order', $sort_order);
496 
497  if ($attrib['messageicon'])
498    $OUTPUT->set_env('messageicon', $skin_path . $attrib['messageicon']);
499  if ($attrib['deletedicon'])
500    $OUTPUT->set_env('deletedicon', $skin_path . $attrib['deletedicon']);
501  if ($attrib['unreadicon'])
502    $OUTPUT->set_env('unreadicon', $skin_path . $attrib['unreadicon']);
503  if ($attrib['repliedicon'])
504    $OUTPUT->set_env('repliedicon', $skin_path . $attrib['repliedicon']);
505  if ($attrib['attachmenticon'])
506    $OUTPUT->set_env('attachmenticon', $skin_path . $attrib['attachmenticon']);
507 
508  $OUTPUT->set_env('messages', $a_js_message_arr);
509 
510  $OUTPUT->include_script('list.js');
511 
512  return $out;
513  }
514
515
516// return javascript commands to add rows to the message list
517function rcmail_js_message_list($a_headers, $insert_top=FALSE)
518  {
519  global $CONFIG, $IMAP, $OUTPUT;
520
521  $a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
522  $mbox = $IMAP->get_mailbox_name();
523
524  // show 'to' instead of from in sent messages
525  if (($mbox == $CONFIG['sent_mbox'] || $mbox == $CONFIG['drafts_mbox'])
526      && (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
527    $a_show_cols[$f] = 'to';
528
529  $OUTPUT->command('set_message_coltypes', $a_show_cols);
530
531  // loop through message headers
532  for ($n=0; $a_headers[$n]; $n++)
533    {
534    $header = $a_headers[$n];
535    $a_msg_cols = array();
536    $a_msg_flags = array();
537
538    // format each col; similar as in rcmail_message_list()
539    foreach ($a_show_cols as $col)
540      {
541      if ($col=='from' || $col=='to')
542        $cont = Q(rcmail_address_string($header->$col, 3), 'show');
543      else if ($col=='subject')
544        {
545        $action = $mbox==$CONFIG['drafts_mbox'] ? 'compose' : 'show';
546        $uid_param = $mbox==$CONFIG['drafts_mbox'] ? '_draf_uid' : '_uid';
547        $cont = Q(rcube_imap::decode_mime_string($header->$col, $header->charset));
548        if (!$cont) $cont = Q(rcube_label('nosubject'));
549        $cont = sprintf('<a href="%s" onclick="return false">%s</a>', Q(rcmail_url($action, array($uid_param=>$header->uid, '_mbox'=>$mbox))), $cont);
550        }
551      else if ($col=='size')
552        $cont = show_bytes($header->$col);
553      else if ($col=='date')
554        $cont = format_date($header->date);
555      else
556        $cont = Q($header->$col);
557         
558      $a_msg_cols[$col] = $cont;
559      }
560
561    $a_msg_flags['deleted'] = $header->deleted ? 1 : 0;
562    $a_msg_flags['unread'] = $header->seen ? 0 : 1;
563    $a_msg_flags['replied'] = $header->answered ? 1 : 0;
564    $OUTPUT->command('add_message_row',
565      $header->uid,
566      $a_msg_cols,
567      $a_msg_flags,
568      preg_match("/multipart\/m/i", $header->ctype),
569      $insert_top);
570    }
571  }
572
573
574// return an HTML iframe for loading mail content
575function rcmail_messagecontent_frame($attrib)
576  {
577  global $OUTPUT;
578 
579  if (empty($attrib['id']))
580    $attrib['id'] = 'rcmailcontentwindow';
581
582  // allow the following attributes to be added to the <iframe> tag
583  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height', 'frameborder'));
584  $framename = $attrib['id'];
585
586  $out = sprintf('<iframe name="%s"%s></iframe>'."\n",
587         $framename,
588         $attrib_str);
589
590  $OUTPUT->set_env('contentframe', $framename);
591  $OUTPUT->set_env('blankpage', $attrib['src'] ? $OUTPUT->abs_url($attrib['src']) : 'program/blank.gif');
592
593  return $out;
594  }
595
596
597function rcmail_messagecount_display($attrib)
598  {
599  global $IMAP, $OUTPUT;
600 
601  if (!$attrib['id'])
602    $attrib['id'] = 'rcmcountdisplay';
603
604  $OUTPUT->add_gui_object('countdisplay', $attrib['id']);
605
606  // allow the following attributes to be added to the <span> tag
607  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
608
609 
610  $out = '<span' . $attrib_str . '>';
611  $out .= rcmail_get_messagecount_text();
612  $out .= '</span>';
613  return $out;
614  }
615
616
617function rcmail_quota_display($attrib)
618  {
619  global $OUTPUT, $COMM_PATH;
620
621  if (!$attrib['id'])
622    $attrib['id'] = 'rcmquotadisplay';
623
624  $OUTPUT->add_gui_object('quotadisplay', $attrib['id']);
625
626  // allow the following attributes to be added to the <span> tag
627  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
628
629  $out = '<span' . $attrib_str . '>';
630  $out .= rcmail_quota_content($attrib['display']);
631  $out .= '</span>';
632  return $out;
633  }
634
635
636function rcmail_quota_content($display)
637  {
638  global $IMAP, $COMM_PATH;
639
640  if (!$IMAP->get_capability('QUOTA'))
641    $quota_text = rcube_label('unknown');
642  else if ($quota = $IMAP->get_quota())
643    {
644    $quota_text = sprintf("%s / %s (%.0f%%)",
645                          show_bytes($quota["used"] * 1024),
646                          show_bytes($quota["total"] * 1024),
647                          $quota["percent"]);
648
649    // show quota as image (by Brett Patterson)
650    if ($display == 'image' && function_exists('imagegif'))
651      {
652      $attrib = array('width' => 100, 'height' => 14);
653      $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" />',
654                            $quota['used'], $quota['total'],
655                            $attrib['width'], $attrib['height'],
656                            $attrib['width'], $attrib['height'],
657                            $quota_text,
658                            show_bytes($quota["used"] * 1024),
659                            show_bytes($quota["total"] * 1024));
660      }
661    }
662  else
663    $quota_text = rcube_label('unlimited');
664
665  return $quota_text;
666  }
667
668
669function rcmail_get_messagecount_text($count=NULL, $page=NULL)
670  {
671  global $IMAP, $MESSAGE;
672 
673  if (isset($MESSAGE['index']))
674    {
675    return rcube_label(array('name' => 'messagenrof',
676                             'vars' => array('nr'  => $MESSAGE['index']+1,
677                                             'count' => $count!==NULL ? $count : $IMAP->messagecount())));
678    }
679
680  if ($page===NULL)
681    $page = $IMAP->list_page;
682   
683  $start_msg = ($page-1) * $IMAP->page_size + 1;
684  $max = $count!==NULL ? $count : $IMAP->messagecount();
685
686  if ($max==0)
687    $out = rcube_label('mailboxempty');
688  else
689    $out = rcube_label(array('name' => 'messagesfromto',
690                              'vars' => array('from'  => $start_msg,
691                                              'to'    => min($max, $start_msg + $IMAP->page_size - 1),
692                                              'count' => $max)));
693
694  return Q($out);
695  }
696
697
698function rcmail_print_body($part, $safe=FALSE, $plain=FALSE)
699  {
700  global $IMAP, $REMOTE_OBJECTS;
701 
702  $body = is_array($part->replaces) ? strtr($part->body, $part->replaces) : $part->body;
703
704  // convert html to text/plain
705  if ($part->ctype_secondary=='html' && $plain)
706    {
707    $txt = new html2text($body, false, true);
708    $body = $txt->get_text();
709    $part->ctype_secondary = 'plain';
710    }
711   
712  // text/html
713  if ($part->ctype_secondary=='html')
714    {
715    // remove charset specification in HTML message
716    $body = preg_replace('/charset=[a-z0-9\-]+/i', '', $body);
717
718    if (!$safe)  // remove remote images and scripts
719      {
720      $remote_patterns = array('/<img\s+(.*)src=(["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)(\2|\s|>)/Ui',
721                               '/(src|background)=(["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)(\2|\s|>)/Ui',
722                               '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i',
723                               '/(<link.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i',
724                               '/url\s*\(["\']?([hftps]{3,5}:\/{2}[^"\'\s]+)["\']?\)/i',
725                               '/url\s*\(["\']?([\.\/]+[^"\'\s]+)["\']?\)/i',
726                               '/<script.+<\/script>/Umis');
727
728      $remote_replaces = array('<img \\1src=\\2./program/blocked.gif\\4',
729                               '',
730                               '',
731                               '',
732                               'none',
733                               'none',
734                               '');
735     
736      // set flag if message containes remote obejcts that where blocked
737      foreach ($remote_patterns as $pattern)
738        {
739        if (preg_match($pattern, $body))
740          {
741          $REMOTE_OBJECTS = TRUE;
742          break;
743          }
744        }
745
746      $body = preg_replace($remote_patterns, $remote_replaces, $body);
747      }
748
749    return Q($body, 'show', FALSE);
750    }
751
752  // text/enriched
753  if ($part->ctype_secondary=='enriched')
754    {
755    return Q(enriched_to_html($body), 'show');
756    }
757  else
758    {
759    // make links and email-addresses clickable
760    $convert_patterns = $convert_replaces = $replace_strings = array();
761   
762    $url_chars = 'a-z0-9_\-\+\*\$\/&%=@#:;';
763    $url_chars_within = '\?\.~,!';
764
765    $convert_patterns[] = "/([\w]+):\/\/([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
766    $convert_replaces[] = "rcmail_str_replacement('<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>', \$replace_strings)";
767
768    $convert_patterns[] = "/([^\/:]|\s)(www\.)([a-z0-9\-]{2,}[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/ie";
769    $convert_replaces[] = "rcmail_str_replacement('\\1<a href=\"http://\\2\\3\" target=\"_blank\">\\2\\3</a>', \$replace_strings)";
770   
771    $convert_patterns[] = '/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/ie';
772    $convert_replaces[] = "rcmail_str_replacement('<a href=\"mailto:\\1\" onclick=\"return ".JS_OBJECT_NAME.".command(\'compose\',\'\\1\',this)\">\\1</a>', \$replace_strings)";
773   
774    if ($part->ctype_parameters['format'] != 'flowed')
775      $body = wordwrap(trim($body), 80);
776
777    $body = preg_replace($convert_patterns, $convert_replaces, $body);
778
779    // split body into single lines
780    $a_lines = preg_split('/\r?\n/', $body);
781    $quote_level = 0;
782
783    // colorize quoted parts
784    for($n=0; $n<sizeof($a_lines); $n++)
785      {
786      $line = $a_lines[$n];
787      $quotation = '';
788      $q = 0;
789     
790      if (preg_match('/^(>+\s*)/', $line, $regs))
791        {
792        $q = strlen(preg_replace('/\s/', '', $regs[1]));
793        $line = substr($line, strlen($regs[1]));
794
795        if ($q > $quote_level)
796          $quotation = str_repeat('<blockquote>', $q - $quote_level);
797        else if ($q < $quote_level)
798          $quotation = str_repeat("</blockquote>", $quote_level - $q);
799        }
800      else if ($quote_level > 0)
801        $quotation = str_repeat("</blockquote>", $quote_level);
802
803      $quote_level = $q;
804      $a_lines[$n] = $quotation . Q($line, 'replace', FALSE);
805      }
806
807    // insert the links for urls and mailtos
808    $body = preg_replace("/##string_replacement\{([0-9]+)\}##/e", "\$replace_strings[\\1]", join("\n", $a_lines));
809   
810    return "<div class=\"pre\">".$body."\n</div>";
811    }
812  }
813
814
815
816// add a string to the replacement array and return a replacement string
817function rcmail_str_replacement($str, &$rep)
818  {
819  static $count = 0;
820  $rep[$count] = stripslashes($str);
821  return "##string_replacement{".($count++)."}##";
822  }
823
824
825function rcmail_parse_message(&$structure, $arg=array(), $recursive=FALSE)
826  {
827  global $IMAP;
828  static $sa_inline_objects = array();
829
830  // arguments are: (bool)$prefer_html, (string)$get_url
831  extract($arg);
832
833  $a_attachments = array();
834  $a_return_parts = array();
835  $out = '';
836
837  $message_ctype_primary = strtolower($structure->ctype_primary);
838  $message_ctype_secondary = strtolower($structure->ctype_secondary);
839
840  // show message headers
841  if ($recursive && is_array($structure->headers) && isset($structure->headers['subject']))
842    {
843    $c = new stdClass;
844    $c->type = 'headers';
845    $c->headers = &$structure->headers;
846    $a_return_parts[] = $c;
847    }
848
849  // print body if message doesn't have multiple parts
850  if ($message_ctype_primary=='text')
851    {
852    $structure->type = 'content';
853    $a_return_parts[] = &$structure;
854    }
855
856  // message contains alternative parts
857  else if ($message_ctype_primary=='multipart' && $message_ctype_secondary=='alternative' && is_array($structure->parts))
858    {
859    // get html/plaintext parts
860    $plain_part = $html_part = $print_part = $related_part = NULL;
861   
862    foreach ($structure->parts as $p => $sub_part)
863      {
864      $sub_ctype_primary = strtolower($sub_part->ctype_primary);
865      $sub_ctype_secondary = strtolower($sub_part->ctype_secondary);
866
867      // check if sub part is
868      if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='plain')
869        $plain_part = $p;
870      else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='html')
871        $html_part = $p;
872      else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='enriched')
873        $enriched_part = $p;
874      else if ($sub_ctype_primary=='multipart' && $sub_ctype_secondary=='related')
875        $related_part = $p;
876      }
877
878    // parse related part (alternative part could be in here)
879    if ($related_part!==NULL && $prefer_html)
880      {
881      list($parts, $attachmnts) = rcmail_parse_message($structure->parts[$related_part], $arg, TRUE);
882      $a_return_parts = array_merge($a_return_parts, $parts);
883      $a_attachments = array_merge($a_attachments, $attachmnts);
884      }
885
886    // print html/plain part
887    else if ($html_part!==NULL && $prefer_html)
888      $print_part = &$structure->parts[$html_part];
889    else if ($enriched_part!==NULL)
890      $print_part = &$structure->parts[$enriched_part];
891    else if ($plain_part!==NULL)
892      $print_part = &$structure->parts[$plain_part];
893
894    // show message body
895    if (is_object($print_part))
896      {
897      $print_part->type = 'content';
898      $a_return_parts[] = $print_part;
899      }
900    // show plaintext warning
901    else if ($html_part!==NULL)
902      {
903      $c = new stdClass;
904      $c->type = 'content';
905      $c->body = rcube_label('htmlmessage');
906      $c->ctype_primary = 'text';
907      $c->ctype_secondary = 'plain';
908     
909      $a_return_parts[] = $c;
910      }
911                               
912    // add html part as attachment
913    if ($html_part!==NULL && $structure->parts[$html_part]!==$print_part)
914      {
915      $html_part = &$structure->parts[$html_part];
916      $html_part->filename = rcube_label('htmlmessage');
917      $html_part->mimetype = 'text/html';
918     
919      $a_attachments[] = $html_part;
920      }
921    }
922
923  // message contains multiple parts
924  else if (is_array($structure->parts) && !empty($structure->parts))
925    {
926    for ($i=0; $i<count($structure->parts); $i++)
927      {
928      $mail_part = &$structure->parts[$i];
929      $primary_type = strtolower($mail_part->ctype_primary);
930      $secondary_type = strtolower($mail_part->ctype_secondary);
931
932      // multipart/alternative
933      if ($primary_type=='multipart')
934        {
935        list($parts, $attachmnts) = rcmail_parse_message($mail_part, $arg, TRUE);
936
937        $a_return_parts = array_merge($a_return_parts, $parts);
938        $a_attachments = array_merge($a_attachments, $attachmnts);
939        }
940
941      // part text/[plain|html] OR message/delivery-status
942      else if (($primary_type=='text' && ($secondary_type=='plain' || $secondary_type=='html') && $mail_part->disposition!='attachment') ||
943               ($primary_type=='message' && $secondary_type=='delivery-status'))
944        {
945        $mail_part->type = 'content';
946        $a_return_parts[] = $mail_part;
947        }
948
949      // part message/*
950      else if ($primary_type=='message')
951        {
952        list($parts, $attachmnts) = rcmail_parse_message($mail_part, $arg, TRUE);
953         
954        $a_return_parts = array_merge($a_return_parts, $parts);
955        $a_attachments = array_merge($a_attachments, $attachmnts);
956        }
957
958      // part is file/attachment
959      else if ($mail_part->disposition=='attachment' || $mail_part->disposition=='inline' || $mail_part->headers['content-id'] ||
960               (empty($mail_part->disposition) && $mail_part->filename))
961        {
962        // skip apple resource forks
963        if ($message_ctype_secondary=='appledouble' && $secondary_type=='applefile')
964          continue;
965
966        // part belongs to a related message
967        if ($message_ctype_secondary=='related' && $mail_part->headers['content-id'])
968          {
969          $mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
970          $sa_inline_objects[] = $mail_part;
971          }
972        // is regular attachment
973        else
974          {
975          if (!$mail_part->filename)
976            $mail_part->filename = 'file_'.$mail_part->mime_id;
977          $a_attachments[] = $mail_part;
978          }
979        }
980      }
981
982    // if this was a related part try to resolve references
983    if ($message_ctype_secondary=='related' && sizeof($sa_inline_objects))
984      {
985      $a_replaces = array();
986       
987      foreach ($sa_inline_objects as $inline_object)
988        $a_replaces['cid:'.$inline_object->content_id] = htmlspecialchars(sprintf($get_url, $inline_object->mime_id));
989     
990      // add replace array to each content part
991      // (will be applied later when part body is available)
992      for ($i=0; $i<count($a_return_parts); $i++)
993        {
994        if ($a_return_parts[$i]->type=='content')
995          $a_return_parts[$i]->replaces = $a_replaces;
996        }
997      }
998    }
999
1000  // message is single part non-text
1001  else if ($structure->filename)
1002    $a_attachments[] = $structure;
1003
1004  return array($a_return_parts, $a_attachments);
1005  }
1006
1007
1008
1009
1010// return table with message headers
1011function rcmail_message_headers($attrib, $headers=NULL)
1012  {
1013  global $IMAP, $OUTPUT, $MESSAGE;
1014  static $sa_attrib;
1015 
1016  // keep header table attrib
1017  if (is_array($attrib) && !$sa_attrib)
1018    $sa_attrib = $attrib;
1019  else if (!is_array($attrib) && is_array($sa_attrib))
1020    $attrib = $sa_attrib;
1021 
1022 
1023  if (!isset($MESSAGE))
1024    return FALSE;
1025
1026  // get associative array of headers object
1027  if (!$headers)
1028    $headers = is_object($MESSAGE['headers']) ? get_object_vars($MESSAGE['headers']) : $MESSAGE['headers'];
1029 
1030  $header_count = 0;
1031 
1032  // allow the following attributes to be added to the <table> tag
1033  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
1034  $out = '<table' . $attrib_str . ">\n";
1035
1036  // show these headers
1037  $standard_headers = array('subject', 'from', 'organization', 'to', 'cc', 'bcc', 'reply-to', 'date');
1038 
1039  foreach ($standard_headers as $hkey)
1040    {
1041    if (!$headers[$hkey])
1042      continue;
1043
1044    if ($hkey=='date' && !empty($headers[$hkey]))
1045      $header_value = format_date(strtotime($headers[$hkey]));
1046    else if (in_array($hkey, array('from', 'to', 'cc', 'bcc', 'reply-to')))
1047      $header_value = Q(rcmail_address_string($headers[$hkey], NULL, $attrib['addicon']), 'show');
1048    else
1049      $header_value = Q(rcube_imap::decode_mime_string($headers[$hkey], $headers['charset']));
1050
1051    $out .= "\n<tr>\n";
1052    $out .= '<td class="header-title">'.Q(rcube_label($hkey)).":&nbsp;</td>\n";
1053    $out .= '<td class="'.$hkey.'" width="90%">'.$header_value."</td>\n</tr>";
1054    $header_count++;
1055    }
1056
1057  $out .= "\n</table>\n\n";
1058
1059  return $header_count ? $out : ''; 
1060  }
1061
1062
1063
1064function rcmail_message_body($attrib)
1065  {
1066  global $CONFIG, $OUTPUT, $MESSAGE, $IMAP, $GET_URL, $REMOTE_OBJECTS;
1067 
1068  if (!is_array($MESSAGE['parts']) && !$MESSAGE['body'])
1069    return '';
1070   
1071  if (!$attrib['id'])
1072    $attrib['id'] = 'rcmailMsgBody';
1073
1074  $safe_mode = (bool)$_GET['_safe'];
1075  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
1076  $out = '<div '. $attrib_str . ">\n";
1077 
1078  $header_attrib = array();
1079  foreach ($attrib as $attr => $value)
1080    if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs))
1081      $header_attrib[$regs[1]] = $value;
1082
1083
1084  // this is an ecrypted message
1085  // -> create a plaintext body with the according message
1086  if (!sizeof($MESSAGE['parts']) && $MESSAGE['headers']->ctype=='multipart/encrypted')
1087    {
1088    $p = new stdClass;
1089    $p->type = 'content';
1090    $p->ctype_primary = 'text';
1091    $p->ctype_secondary = 'plain';
1092    $p->body = rcube_label('encryptedmessage');
1093    $MESSAGE['parts'][0] = $p;
1094    }
1095 
1096  if ($MESSAGE['parts'])
1097    {
1098    foreach ($MESSAGE['parts'] as $i => $part)
1099      {
1100      if ($part->type=='headers')
1101        $out .= rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : NULL, $part->headers);
1102      else if ($part->type=='content')
1103        {
1104        if (empty($part->ctype_parameters) || empty($part->ctype_parameters['charset']))
1105          $part->ctype_parameters['charset'] = $MESSAGE['headers']->charset;
1106
1107        // fetch part if not available
1108        if (!isset($part->body))
1109          $part->body = $IMAP->get_message_part($MESSAGE['UID'], $part->mime_id, $part);
1110
1111        $body = rcmail_print_body($part, $safe_mode, !$CONFIG['prefer_html']);
1112        $out .= '<div class="message-part">';
1113       
1114        if ($part->ctype_secondary != 'plain')
1115          $out .= rcmail_sanitize_html($body, $attrib['id']);
1116        else
1117          $out .= $body;
1118
1119        $out .= "</div>\n";
1120        }
1121      }
1122    }
1123  else
1124    $out .= $MESSAGE['body'];
1125
1126
1127  $ctype_primary = strtolower($MESSAGE['structure']->ctype_primary);
1128  $ctype_secondary = strtolower($MESSAGE['structure']->ctype_secondary);
1129 
1130  // list images after mail body
1131  if (get_boolean($attrib['showimages']) && $ctype_primary=='multipart' && $ctype_secondary=='mixed' &&
1132      sizeof($MESSAGE['attachments']) && !strstr($message_body, '<html') && strlen($GET_URL))
1133    {
1134    foreach ($MESSAGE['attachments'] as $attach_prop)
1135      {
1136      if (strpos($attach_prop->mimetype, 'image/')===0)
1137        $out .= sprintf("\n<hr />\n<p align=\"center\"><img src=\"%s&amp;_part=%s\" alt=\"%s\" title=\"%s\" /></p>\n",
1138                        htmlspecialchars($GET_URL), $attach_prop->mime_id,
1139                        $attach_prop->filename,
1140                        $attach_prop->filename);
1141      }
1142    }
1143 
1144  // tell client that there are blocked remote objects
1145  if ($REMOTE_OBJECTS && !$safe_mode)
1146    $OUTPUT->set_env('blockedobjects', true);
1147
1148  $out .= "\n</div>";
1149  return $out;
1150  }
1151
1152
1153
1154// modify a HTML message that it can be displayed inside a HTML page
1155function rcmail_sanitize_html($body, $container_id)
1156  {
1157  // remove any null-byte characters before parsing
1158  $body = preg_replace('/\x00/', '', $body);
1159 
1160  $last_style_pos = 0;
1161  $body_lc = strtolower($body);
1162 
1163  // find STYLE tags
1164  while (($pos = strpos($body_lc, '<style', $last_style_pos)) && ($pos2 = strpos($body_lc, '</style>', $pos)))
1165    {
1166    $pos = strpos($body_lc, '>', $pos)+1;
1167
1168    // replace all css definitions with #container [def]
1169    $styles = rcmail_mod_css_styles(substr($body, $pos, $pos2-$pos), $container_id);
1170
1171    $body = substr($body, 0, $pos) . $styles . substr($body, $pos2);
1172    $body_lc = strtolower($body);
1173    $last_style_pos = $pos2;
1174    }
1175
1176
1177  // remove SCRIPT tags
1178  foreach (array('script', 'applet', 'object', 'embed', 'iframe') as $tag)
1179    {
1180    while (($pos = strpos($body_lc, '<'.$tag)) && ($pos2 = strpos($body_lc, '</'.$tag.'>', $pos)))
1181      {
1182      $pos2 += strlen('</'.$tag.'>');
1183      $body = substr($body, 0, $pos) . substr($body, $pos2, strlen($body)-$pos2);
1184      $body_lc = strtolower($body);
1185      }
1186    }
1187
1188  // replace event handlers on any object
1189  while ($body != $prev_body)
1190    {
1191    $prev_body = $body;
1192    $body = preg_replace('/(<[^!][^>]*\s)(on[^=>]+)=([^>]+>)/im', '$1__removed=$3', $body);
1193    $body = preg_replace('/(<[^!][^>]*\shref=["\']?)(javascript:)([^>]*?>)/im', '$1null:$3', $body);
1194    }
1195
1196  // resolve <base href>
1197  $base_reg = '/(<base.*href=["\']?)([hftps]{3,5}:\/{2}[^"\'\s]+)([^<]*>)/i';
1198  if (preg_match($base_reg, $body, $regs))
1199    {
1200    $base_url = $regs[2];
1201    $body = preg_replace('/(src|background|href)=(["\']?)([\.\/]+[^"\'\s]+)(\2|\s|>)/Uie', "'\\1=\"'.make_absolute_url('\\3', '$base_url').'\"'", $body);
1202    $body = preg_replace('/(url\s*\()(["\']?)([\.\/]+[^"\'\)\s]+)(\2)\)/Uie', "'\\1\''.make_absolute_url('\\3', '$base_url').'\')'", $body);
1203    $body = preg_replace($base_reg, '', $body);
1204    }
1205   
1206  // modify HTML links to open a new window if clicked
1207  $body = preg_replace('/<a\s+([^>]+)>/Uie', "rcmail_alter_html_link('\\1');", $body);
1208
1209  // add comments arround html and other tags
1210  $out = preg_replace(array(
1211      '/(<!DOCTYPE.+)/i',
1212      '/(<\/?html[^>]*>)/i',
1213      '/(<\/?head[^>]*>)/i',
1214      '/(<title[^>]*>.*<\/title>)/Ui',
1215      '/(<\/?meta[^>]*>)/i'),
1216    '<!--\\1-->',
1217    $body);
1218
1219  $out = preg_replace(array('/<body([^>]*)>/i',
1220                            '/<\/body>/i'),
1221                      array('<div class="rcmBody"\\1>',
1222                            '</div>'),
1223                      $out);
1224
1225  // quote <? of php and xml files that are specified as text/html
1226  $out = preg_replace(array('/<\?/', '/\?>/'), array('&lt;?', '?&gt;'), $out);
1227
1228  return $out;
1229  }
1230
1231
1232// parse link attributes and set correct target
1233function rcmail_alter_html_link($in)
1234  {
1235  $in = preg_replace('/=([^("|\'|\s)]+)(\s|$)/', '="\1"', $in);
1236  $attrib = parse_attrib_string($in);
1237
1238  if (stristr((string)$attrib['href'], 'mailto:'))
1239    $attrib['onclick'] = sprintf("return %s.command('compose','%s',this)",
1240                                 JS_OBJECT_NAME,
1241                                 JQ(substr($attrib['href'], 7)));
1242  else if (!empty($attrib['href']) && $attrib['href']{0}!='#')
1243    $attrib['target'] = '_blank';
1244 
1245  return '<a' . create_attrib_string($attrib, array('href', 'name', 'target', 'onclick', 'id', 'class', 'style', 'title')) . '>';
1246  }
1247
1248
1249// replace all css definitions with #container [def]
1250function rcmail_mod_css_styles($source, $container_id)
1251  {
1252  $a_css_values = array();
1253  $last_pos = 0;
1254 
1255  // cut out all contents between { and }
1256  while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos)))
1257    {
1258    $key = sizeof($a_css_values);
1259    $a_css_values[$key] = substr($source, $pos+1, $pos2-($pos+1));
1260    $source = substr($source, 0, $pos+1) . "<<str_replacement[$key]>>" . substr($source, $pos2, strlen($source)-$pos2);
1261    $last_pos = $pos+2;
1262    }
1263
1264  // remove html commends and add #container to each tag selector.
1265  // also replace body definition because we also stripped off the <body> tag
1266  $styles = preg_replace(array('/(^\s*<!--)|(-->\s*$)/', '/(^\s*|,\s*|\}\s*)([a-z0-9\._][a-z0-9\.\-_]*)/im', '/<<str_replacement\[([0-9]+)\]>>/e', "/$container_id\s+body/i"),
1267                         array('', "\\1#$container_id \\2", "\$a_css_values[\\1]", "$container_id div.rcmBody"),
1268                         $source);
1269
1270  return $styles;
1271  }
1272
1273
1274function rcmail_has_html_part($message_parts)
1275{
1276   if (!is_array($message_parts))
1277      return FALSE;
1278
1279   // check all message parts
1280   foreach ($message_parts as $pid => $part)
1281   {
1282      $mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
1283      if ($mimetype=='text/html')
1284      {
1285         return TRUE;
1286      }
1287   }
1288   
1289   return FALSE;
1290}
1291
1292// return first HTML part of a message
1293function rcmail_first_html_part($message_struct)
1294  {
1295  global $IMAP;
1296
1297  if (!is_array($message_struct['parts']))
1298    return FALSE;
1299   
1300  $html_part = NULL;
1301
1302  // check all message parts
1303  foreach ($message_struct['parts'] as $pid => $part)
1304    {
1305    $mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
1306    if ($mimetype=='text/html')
1307      {
1308      $html_part = $IMAP->get_message_part($message_struct['UID'], $pid, $part);
1309      }
1310    }
1311
1312  if ($html_part)
1313    {
1314    // remove special chars encoding
1315    //$trans = array_flip(get_html_translation_table(HTML_ENTITIES));
1316    //$html_part = strtr($html_part, $trans);
1317
1318    return $html_part;
1319    }
1320
1321  return FALSE;
1322}
1323
1324
1325// return first text part of a message
1326function rcmail_first_text_part($message_struct)
1327  {
1328  global $IMAP;
1329
1330  if (empty($message_struct['parts']))
1331    return $message_struct['UID'] ? $IMAP->get_body($message_struct['UID']) : false;
1332
1333  // check all message parts
1334  foreach ($message_struct['parts'] as $pid => $part)
1335    {
1336    $mimetype = strtolower($part->ctype_primary.'/'.$part->ctype_secondary);
1337
1338    if ($mimetype=='text/plain')
1339      return $IMAP->get_message_part($message_struct['UID'], $pid, $part);
1340
1341    else if ($mimetype=='text/html')
1342      {
1343      $html_part = $IMAP->get_message_part($message_struct['UID'], $pid, $part);
1344     
1345      // remove special chars encoding
1346      $trans = array_flip(get_html_translation_table(HTML_ENTITIES));
1347      $html_part = strtr($html_part, $trans);
1348
1349      // create instance of html2text class
1350      $txt = new html2text($html_part);
1351      return $txt->get_text();
1352      }
1353    }
1354
1355  return FALSE;
1356  }
1357
1358
1359// decode address string and re-format it as HTML links
1360function rcmail_address_string($input, $max=NULL, $addicon=NULL)
1361  {
1362  global $IMAP, $PRINT_MODE, $CONFIG, $OUTPUT, $EMAIL_ADDRESS_PATTERN;
1363 
1364  $a_parts = $IMAP->decode_address_list($input);
1365
1366  if (!sizeof($a_parts))
1367    return $input;
1368
1369  $c = count($a_parts);
1370  $j = 0;
1371  $out = '';
1372
1373  foreach ($a_parts as $part)
1374    {
1375    $j++;
1376    if ($PRINT_MODE)
1377      $out .= sprintf('%s &lt;%s&gt;', Q($part['name']), $part['mailto']);
1378    else if (preg_match($EMAIL_ADDRESS_PATTERN, $part['mailto']))
1379      {
1380      $out .= sprintf('<a href="mailto:%s" onclick="return %s.command(\'compose\',\'%s\',this)" class="rcmContactAddress" title="%s">%s</a>',
1381                      Q($part['mailto']),
1382                      JS_OBJECT_NAME,
1383                      JQ($part['mailto']),
1384                      Q($part['mailto']),
1385                      Q($part['name']));
1386                     
1387      if ($addicon)
1388        $out .= sprintf('&nbsp;<a href="#add" onclick="return %s.command(\'add-contact\',\'%s\',this)" title="%s"><img src="%s%s" alt="add" border="0" /></a>',
1389                        JS_OBJECT_NAME,
1390                        urlencode($part['string']),
1391                        rcube_label('addtoaddressbook'),
1392                        $CONFIG['skin_path'],
1393                        $addicon);
1394      }
1395    else
1396      {
1397      if ($part['name'])
1398        $out .= Q($part['name']);
1399      if ($part['mailto'])
1400        $out .= (strlen($out) ? ' ' : '') . sprintf('&lt;%s&gt;', Q($part['mailto']));
1401      }
1402     
1403    if ($c>$j)
1404      $out .= ','.($max ? '&nbsp;' : ' ');
1405       
1406    if ($max && $j==$max && $c>$j)
1407      {
1408      $out .= '...';
1409      break;
1410      }       
1411    }
1412   
1413  return $out;
1414  }
1415
1416
1417function rcmail_message_part_controls()
1418  {
1419  global $CONFIG, $IMAP, $MESSAGE;
1420 
1421  if (!is_array($MESSAGE) || !is_array($MESSAGE['parts']) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE['parts'][$_GET['_part']])
1422    return '';
1423   
1424  $part = &$MESSAGE['parts'][$_GET['_part']];
1425 
1426  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'cellspacing', 'cellpadding', 'border', 'summary'));
1427  $out = '<table '. $attrib_str . ">\n";
1428 
1429  if ($filename)
1430    {
1431    $out .= sprintf('<tr><td class="title">%s</td><td>%s</td><td>[<a href="./?%s">%s</a>]</tr>'."\n",
1432                    Q(rcube_label('filename')),
1433                    Q($part->filename),
1434                    str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING']),
1435                    Q(rcube_label('download')));
1436    }
1437   
1438  if ($part->size)
1439    $out .= sprintf('<tr><td class="title">%s</td><td>%s</td></tr>'."\n",
1440                    Q(rcube_label('filesize')),
1441                    show_bytes($part->size));
1442 
1443  $out .= "\n</table>";
1444 
1445  return $out;
1446  }
1447
1448
1449
1450function rcmail_message_part_frame($attrib)
1451  {
1452  global $MESSAGE;
1453 
1454  $part = $MESSAGE['parts'][$_GET['_part']];
1455  $ctype_primary = strtolower($part->ctype_primary);
1456
1457  $attrib['src'] = './?'.str_replace('_frame=', ($ctype_primary=='text' ? '_show=' : '_preload='), $_SERVER['QUERY_STRING']);
1458
1459  $attrib_str = create_attrib_string($attrib, array('id', 'class', 'style', 'src', 'width', 'height'));
1460  $out = '<iframe '. $attrib_str . "></iframe>";
1461   
1462  return $out;
1463  }
1464
1465
1466// clear message composing settings
1467function rcmail_compose_cleanup()
1468  {
1469  if (!isset($_SESSION['compose']))
1470    return;
1471
1472  // remove attachment files from temp dir
1473  if (is_array($_SESSION['compose']['attachments']))
1474    foreach ($_SESSION['compose']['attachments'] as $attachment)
1475      @unlink($attachment['path']);
1476 
1477  unset($_SESSION['compose']);
1478  }
1479
1480
1481// register UI objects
1482$OUTPUT->add_handlers(array(
1483  'mailboxlist' => 'rcmail_mailbox_list',
1484  'messages' => 'rcmail_message_list',
1485  'messagecountdisplay' => 'rcmail_messagecount_display',
1486  'quotadisplay' => 'rcmail_quota_display',
1487  'messageheaders' => 'rcmail_message_headers',
1488  'messagebody' => 'rcmail_message_body',
1489  'messagecontentframe' => 'rcmail_messagecontent_frame',
1490  'messagepartframe' => 'rcmail_message_part_frame',
1491  'messagepartcontrols' => 'rcmail_message_part_controls',
1492  'searchform' => 'rcmail_search_form'
1493));
1494
1495?>
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