summaryrefslogtreecommitdiff
path: root/program/steps/mail/sendmail.inc
blob: 3860c4fd0637e659eaf653e9cb08272e6b0ee95b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
<?php

/*
 +-----------------------------------------------------------------------+
 | program/steps/mail/sendmail.inc                                       |
 |                                                                       |
 | This file is part of the RoundCube Webmail client                     |
 | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
 | Licensed under the GNU GPL                                            |
 |                                                                       |
 | PURPOSE:                                                              |
 |   Compose a new mail message with all headers and attachments         |
 |   and send it using the PEAR::Net_SMTP class or with PHP mail()       |
 |                                                                       |
 +-----------------------------------------------------------------------+
 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
 +-----------------------------------------------------------------------+

 $Id$

*/


if (!isset($_SESSION['compose']['id']))
  {
  rcmail_overwrite_action('list');
  return;
  }


/****** message sending functions ********/


// get identity record
function rcmail_get_identity($id)
  {
  global $USER, $OUTPUT;
  
  if ($sql_arr = $USER->get_identity($id))
    {
    $out = $sql_arr;
    $out['mailto'] = $sql_arr['email'];
    $name = strpos($sql_arr['name'], ",") ? '"'.$sql_arr['name'].'"' : $sql_arr['name'];
    $out['string'] = sprintf('%s <%s>',
                             rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset()),
                             $sql_arr['email']);
    return $out;
    }

  return FALSE;  
  }

/**
 * go from this:
 * <img src=".../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
 *
 * to this:
 *
 * <IMG src="cid:smiley-cool.gif"/>
 * ...
 * ------part...
 * Content-Type: image/gif
 * Content-Transfer-Encoding: base64
 * Content-ID: <smiley-cool.gif>
 */
function rcmail_attach_emoticons(&$mime_message)
{
  global $CONFIG;

  $htmlContents = $mime_message->getHtmlBody();

  // remove any null-byte characters before parsing
  $body = preg_replace('/\x00/', '', $htmlContents);
  
  $last_img_pos = 0;

  $searchstr = 'program/js/tiny_mce/plugins/emotions/images/';

  // keep track of added images, so they're only added once
  $included_images = array();

  // find emoticon image tags
  while ($pos = strpos($body, $searchstr, $last_img_pos))
    {
    $pos2 = strpos($body, '"', $pos);
    $body_pre = substr($body, 0, $pos);
    $image_name = substr($body,
                         $pos + strlen($searchstr),
                         $pos2 - ($pos + strlen($searchstr)));
    // sanitize image name so resulting attachment doesn't leave images dir
    $image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i','',$image_name);

    $body_post = substr($body, $pos2);

    if (! in_array($image_name, $included_images))
      {
      // add the image to the MIME message
      $img_file = INSTALL_PATH . '/' . $searchstr . $image_name;
      if(! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, '_' . $image_name))
        $OUTPUT->show_message("emoticonerror", 'error');

      array_push($included_images, $image_name);
      }

    $body = $body_pre . 'cid:_' . $image_name . $body_post;

    $last_img_pos = $pos2;
    }
   
  $mime_message->setHTMLBody($body);
}

if (strlen($_POST['_draft_saveid']) > 3)
  $olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);

$message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host']));
$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;

// remove all scripts and act as called in frame
$OUTPUT->reset();
$OUTPUT->framed = TRUE;


/****** check submission and compose message ********/


if (!$savedraft && empty($_POST['_to']) && empty($_POST['_cc']) && empty($_POST['_bcc']) && empty($_POST['_subject']) && $_POST['_message'])
  {
  $OUTPUT->show_message("sendingfailed", 'error');
  $OUTPUT->send('iframe');
  return;
  }


// set default charset
$input_charset = $OUTPUT->get_charset();
$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;

$mailto_regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/');
$mailto_replace = array(', ', ', ', '', ',');

// replace new lines and strip ending ', '
$mailto = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset));
$mailcc = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset));
$mailbcc = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset));

if (empty($mailto) && !empty($mailcc)) {
  $mailto = $mailcc;
  $mailcc = null;
}
else if (empty($mailto))
  $mailto = 'undisclosed-recipients:;';

// get sender name and address
$identity_arr = rcmail_get_identity(get_input_value('_from', RCUBE_INPUT_POST));
$from = $identity_arr['mailto'];

if (empty($identity_arr['string']))
  $identity_arr['string'] = $from;

// compose headers array
$headers = array('Date' => date('r'),
                 'From' => rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset),
                 'To'   => $mailto);

// additional recipients
if (!empty($mailcc))
  $headers['Cc'] = $mailcc;

if (!empty($mailbcc))
  $headers['Bcc'] = $mailbcc;
  
if (!empty($identity_arr['bcc']))
  $headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];

// add subject
$headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, FALSE, $message_charset));

if (!empty($identity_arr['organization']))
  $headers['Organization'] = $identity_arr['organization'];

if (!empty($_POST['_replyto']))
  $headers['Reply-To'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
else if (!empty($identity_arr['reply-to']))
  $headers['Reply-To'] = $identity_arr['reply-to'];

if (!empty($_SESSION['compose']['reply_msgid']))
  $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];

if (!empty($_SESSION['compose']['references']))
  $headers['References'] = $_SESSION['compose']['references'];

if (!empty($_POST['_priority']))
  {
  $priority = intval($_POST['_priority']);
  $a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
  if ($str_priority = $a_priorities[$priority])
    $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
  }

if (!empty($_POST['_receipt']))
  {
  $headers['Return-Receipt-To'] = $identity_arr['string'];
  $headers['Disposition-Notification-To'] = $identity_arr['string'];
  }

// additional headers
if ($CONFIG['http_received_header'])
{
  $nldlm = $RCMAIL->config->header_delimiter() . "\t";
  $headers['Received'] =  wordwrap('from ' . (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ?
      gethostbyaddr($_SERVER['HTTP_X_FORWARDED_FOR']).' ['.$_SERVER['HTTP_X_FORWARDED_FOR'].']'.$nldlm.' via ' : '') .
    gethostbyaddr($_SERVER['REMOTE_ADDR']).' ['.$_SERVER['REMOTE_ADDR'].']'.$nldlm.'with ' .
    $_SERVER['SERVER_PROTOCOL'].' ('.$_SERVER['REQUEST_METHOD'].'); ' . date('r'),
    69, $nldlm);
}

$headers['Message-ID'] = $message_id;
$headers['X-Sender'] = $from;

if (!empty($CONFIG['useragent']))
  $headers['User-Agent'] = $CONFIG['useragent'];

// fetch message body
$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);

// append generic footer to all messages
if (!$savedraft && !empty($CONFIG['generic_message_footer']) && ($footer = file_get_contents(realpath($CONFIG['generic_message_footer']))))
  $message_body .= "\r\n" . rcube_charset_convert($footer, 'UTF-8', $message_charset);

$isHtmlVal = strtolower(get_input_value('_is_html', RCUBE_INPUT_POST));
$isHtml = ($isHtmlVal == "1");

// create extended PEAR::Mail_mime instance
$MAIL_MIME = new rcube_mail_mime($RCMAIL->config->header_delimiter());

// For HTML-formatted messages, construct the MIME message with both
// the HTML part and the plain-text part

if ($isHtml)
  {
  $MAIL_MIME->setHTMLBody($message_body);

  // add a plain text version of the e-mail as an alternative part.
  $h2t = new html2text($message_body);
  $plainTextPart = wordwrap($h2t->get_text(), 998, "\r\n", true);
  if (!strlen($plainTextPart)) 
    { 
    // empty message body breaks attachment handling in drafts 
    $plainTextPart = "\r\n"; 
    }
  $MAIL_MIME->setTXTBody(html_entity_decode($plainTextPart, ENT_COMPAT, 'utf-8'));

  // look for "emoticon" images from TinyMCE and copy into message as attachments
  rcmail_attach_emoticons($MAIL_MIME);
  }
else
  {
  $message_body = wordwrap($message_body, 75, "\r\n");
  $message_body = wordwrap($message_body, 998, "\r\n", true);
  if (!strlen($message_body))  
    { 
    // empty message body breaks attachment handling in drafts 
    $message_body = "\r\n"; 
    } 
  $MAIL_MIME->setTXTBody($message_body, FALSE, TRUE);
  }


// add stored attachments, if any
if (is_array($_SESSION['compose']['attachments']))
  foreach ($_SESSION['compose']['attachments'] as $id => $attachment)
  {
    $dispurl = '/\ssrc\s*=\s*[\'"]?\S+display-attachment\S+file=rcmfile' . $id . '[\'"]?/';
    $match = preg_match($dispurl, $message_body);
    if ($isHtml && ($match > 0))
    {
      $message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'"', $message_body);
      $MAIL_MIME->setHTMLBody($message_body);
      $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name']);
    }
    else
    {
      /*
        We need to replace mime_content_type in a later release because the function
        is deprecated in favour of File_Info
      */
      $MAIL_MIME->addAttachment($attachment['path'],
        rc_mime_content_type($attachment['path'], $attachment['mimetype']),
        $attachment['name'], true, 'base64',
        'attachment', $message_charset);
    }
  }

// add submitted attachments
if (is_array($_FILES['_attachments']['tmp_name']))
  foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath)
    $MAIL_MIME->addAttachment($filepath, $files['type'][$i], $files['name'][$i], true, 'base64', 'attachment', $message_charset);


// chose transfer encoding
$charset_7bit = array('ASCII', 'ISO-2022-JP', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-15');
$transfer_encoding = in_array(strtoupper($message_charset), $charset_7bit) ? '7bit' : '8bit';

// encoding settings for mail composing
$MAIL_MIME->setParam(array(
  'text_encoding' => $transfer_encoding,
  'html_encoding' => 'quoted-printable',
  'head_encoding' => 'quoted-printable',
  'head_charset'  => $message_charset,
  'html_charset'  => $message_charset,
  'text_charset'  => $message_charset,
));

// encoding subject header with mb_encode provides better results with asian characters
if (function_exists("mb_encode_mimeheader"))
{
  mb_internal_encoding($message_charset);
  $headers['Subject'] = mb_encode_mimeheader($headers['Subject'], $message_charset, 'Q');
  mb_internal_encoding(RCMAIL_CHARSET);
}

// pass headers to message object
$MAIL_MIME->headers($headers);

// Begin SMTP Delivery Block 
if (!$savedraft)
{
  $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto);
  
  // return to compose page if sending failed
  if (!$sent)
    {
    $OUTPUT->show_message("sendingfailed", 'error'); 
    $OUTPUT->send('iframe');
    return;
    }
  
  // set repliead flag
  if ($_SESSION['compose']['reply_uid'])
    $IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED');

  } // End of SMTP Delivery Block



// Determine which folder to save message
if ($savedraft)
  $store_target = 'drafts_mbox';
else
  $store_target = 'sent_mbox';

if ($CONFIG[$store_target])
  {
  // check if mailbox exists
  if (!in_array_nocase($CONFIG[$store_target], $IMAP->list_mailboxes()))
    $store_folder = $IMAP->create_mailbox($CONFIG[$store_target], TRUE);
  else
    $store_folder = TRUE;
  
  // append message to sent box
  if ($store_folder)
    $saved = $IMAP->save_message($CONFIG[$store_target], $MAIL_MIME->getMessage());

  // raise error if saving failed
  if (!$saved)
    {
    raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
                      'message' => "Could not save message in $CONFIG[$store_target]"), TRUE, FALSE);
    
    $OUTPUT->show_message('errorsaving', 'error');
    $OUTPUT->send('iframe');
    }

  if ($olddraftmessageid)
    {
    // delete previous saved draft
    $a_deleteid = $IMAP->search($CONFIG['drafts_mbox'],'HEADER Message-ID',$olddraftmessageid);
    $deleted = $IMAP->delete_message($IMAP->get_uid($a_deleteid[0],$CONFIG['drafts_mbox']),$CONFIG['drafts_mbox']);

    // raise error if deletion of old draft failed
    if (!$deleted)
      raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
                        'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
    }
  }

if ($savedraft)
  {
  // display success
  $OUTPUT->show_message('messagesaved', 'confirmation');

  // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
  $OUTPUT->command('set_draft_id', str_replace(array('<','>'), "", $message_id));
  $OUTPUT->command('compose_field_hash', true);

  // start the auto-save timer again
  $OUTPUT->command('auto_save_start');

  $OUTPUT->send('iframe');
  }
else
  {
  if ($CONFIG['smtp_log'])
    {
    $log_entry = sprintf(
      "[%s] User: %d on %s; Message for %s; %s\n",
      date("d-M-Y H:i:s O", mktime()),
      $_SESSION['user_id'],
      $_SERVER['REMOTE_ADDR'],
      $mailto,
      !empty($smtp_response) ? join('; ', $smtp_response) : '');

    if ($fp = @fopen($CONFIG['log_dir'].'/sendmail', 'a'))
      {
      fwrite($fp, $log_entry);
      fclose($fp);
      }
    }

  rcmail_compose_cleanup();
  $OUTPUT->command('sent_successfully', rcube_label('messagesent'));
  $OUTPUT->send('iframe');
  }

?>