source: subversion/trunk/roundcubemail/program/steps/mail/sendmail.inc @ 938

Last change on this file since 938 was 938, checked in by thomasb, 5 years ago

New class rcube_user + send message disposition notification
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 12.3 KB
Line 
1<?php
2
3/*
4 +-----------------------------------------------------------------------+
5 | program/steps/mail/sendmail.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 |   Compose a new mail message with all headers and attachments         |
13 |   and send it using IlohaMail's SMTP methods or with PHP mail()       |
14 |                                                                       |
15 +-----------------------------------------------------------------------+
16 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
17 +-----------------------------------------------------------------------+
18
19 $Id$
20
21*/
22
23
24//require_once('lib/smtp.inc');
25require_once('lib/html2text.inc');
26require_once('lib/rc_mail_mime.inc');
27
28
29if (!isset($_SESSION['compose']['id']))
30  {
31  rcmail_overwrite_action('list');
32  return;
33  }
34
35
36/****** message sending functions ********/
37
38
39// get identity record
40function rcmail_get_identity($id)
41  {
42  global $USER, $OUTPUT;
43 
44  if ($sql_arr = $USER->get_identity($id))
45    {
46    $out = $sql_arr;
47    $out['mailto'] = $sql_arr['email'];
48    $name = strpos($sql_arr['name'], ",") ? '"'.$sql_arr['name'].'"' : $sql_arr['name'];
49    $out['string'] = sprintf('%s <%s>',
50                             rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset()),
51                             $sql_arr['email']);
52    return $out;
53    }
54
55  return FALSE; 
56  }
57
58/**
59 * go from this:
60 * <img src=".../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
61 *
62 * to this:
63 *
64 * <IMG src="cid:smiley-cool.gif"/>
65 * ...
66 * ------part...
67 * Content-Type: image/gif
68 * Content-Transfer-Encoding: base64
69 * Content-ID: <smiley-cool.gif>
70 */
71function rcmail_attach_emoticons(&$mime_message)
72{
73  global $CONFIG, $INSTALL_PATH;
74
75  $htmlContents = $mime_message->getHtmlBody();
76
77  // remove any null-byte characters before parsing
78  $body = preg_replace('/\x00/', '', $htmlContents);
79 
80  $last_img_pos = 0;
81
82  $searchstr = 'program/js/tiny_mce/plugins/emotions/images/';
83
84  // keep track of added images, so they're only added once
85  $included_images = array();
86
87  // find emoticon image tags
88  while ($pos = strpos($body, $searchstr, $last_img_pos))
89    {
90    $pos2 = strpos($body, '"', $pos);
91    $body_pre = substr($body, 0, $pos);
92    $image_name = substr($body,
93                         $pos + strlen($searchstr),
94                         $pos2 - ($pos + strlen($searchstr)));
95    // sanitize image name so resulting attachment doesn't leave images dir
96    $image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i','',$image_name);
97
98    $body_post = substr($body, $pos2);
99
100    if (! in_array($image_name, $included_images))
101      {
102      // add the image to the MIME message
103      $img_file = $INSTALL_PATH . '/' . $searchstr . $image_name;
104      if(! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, '_' . $image_name))
105        $OUTPUT->show_message("emoticonerror", 'error');
106
107      array_push($included_images, $image_name);
108      }
109
110    $body = $body_pre . 'cid:_' . $image_name . $body_post;
111
112    $last_img_pos = $pos2;
113    }
114   
115  $mime_message->setHTMLBody($body);
116}
117
118if (strlen($_POST['_draft_saveid']) > 3)
119  $olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
120
121$message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), rcmail_mail_domain($_SESSION['imap_host']));
122$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
123
124// remove all scripts and act as called in frame
125$OUTPUT->reset();
126$OUTPUT->framed = TRUE;
127
128
129/****** check submission and compose message ********/
130
131
132if (!$savedraft && empty($_POST['_to']) && empty($_POST['_subject']) && $_POST['_message'])
133  {
134  $OUTPUT->show_message("sendingfailed", 'error');
135  $OUTPUT->send('iframe');
136  return;
137  }
138
139
140// set default charset
141$input_charset = $OUTPUT->get_charset();
142$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;
143
144$mailto_regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/');
145$mailto_replace = array(', ', ', ', '', ',');
146
147// replace new lines and strip ending ', '
148$mailto = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset));
149
150// decode address strings
151$to_address_arr = $IMAP->decode_address_list($mailto);
152$identity_arr = rcmail_get_identity(get_input_value('_from', RCUBE_INPUT_POST));
153
154$from = $identity_arr['mailto'];
155$first_to = is_array($to_address_arr[0]) ? $to_address_arr[0]['mailto'] : $mailto;
156
157if (empty($identity_arr['string']))
158  $identity_arr['string'] = $from;
159
160// compose headers array
161$headers = array('Date' => date('r'),
162                 'From' => rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset),
163                 'To'   => $mailto);
164
165// additional recipients
166if (!empty($_POST['_cc']))
167  $headers['Cc'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset));
168
169if (!empty($_POST['_bcc']))
170  $headers['Bcc'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset));
171 
172if (!empty($identity_arr['bcc']))
173  $headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
174
175// add subject
176$headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, FALSE, $message_charset));
177
178if (!empty($identity_arr['organization']))
179  $headers['Organization'] = $identity_arr['organization'];
180
181if (!empty($_POST['_replyto']))
182  $headers['Reply-To'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
183else if (!empty($identity_arr['reply-to']))
184  $headers['Reply-To'] = $identity_arr['reply-to'];
185
186if (!empty($_SESSION['compose']['reply_msgid']))
187  $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
188
189if (!empty($_SESSION['compose']['references']))
190  $headers['References'] = $_SESSION['compose']['references'];
191
192if (!empty($_POST['_priority']))
193  {
194  $priority = intval($_POST['_priority']);
195  $a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
196  if ($str_priority = $a_priorities[$priority])
197    $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
198  }
199
200if (!empty($_POST['_receipt']))
201  {
202  $headers['Return-Receipt-To'] = $identity_arr['string'];
203  $headers['Disposition-Notification-To'] = $identity_arr['string'];
204  }
205
206// additional headers
207$headers['Message-ID'] = $message_id;
208$headers['X-Sender'] = $from;
209
210if (!empty($CONFIG['useragent']))
211  $headers['User-Agent'] = $CONFIG['useragent'];
212
213// fetch message body
214$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
215
216// append generic footer to all messages
217if (!$savedraft && !empty($CONFIG['generic_message_footer']) && ($footer = file_get_contents(realpath($CONFIG['generic_message_footer']))))
218  $message_body .= "\r\n" . rcube_charset_convert($footer, 'UTF-8', $message_charset);
219
220$isHtmlVal = strtolower(get_input_value('_is_html', RCUBE_INPUT_POST));
221$isHtml = ($isHtmlVal == "1");
222
223// create extended PEAR::Mail_mime instance
224$MAIL_MIME = new rc_mail_mime(rcmail_header_delm());
225
226// For HTML-formatted messages, construct the MIME message with both
227// the HTML part and the plain-text part
228
229if ($isHtml)
230  {
231  $MAIL_MIME->setHTMLBody($message_body);
232
233  // add a plain text version of the e-mail as an alternative part.
234  $h2t = new html2text($message_body);
235  $plainTextPart = wordwrap($h2t->get_text(), 998, "\r\n", true);
236  $MAIL_MIME->setTXTBody($plainTextPart);
237
238  // look for "emoticon" images from TinyMCE and copy into message as attachments
239  rcmail_attach_emoticons($MAIL_MIME);
240  }
241else
242  {
243  $message_body = wordwrap($message_body, 75, "\r\n");
244  $message_body = wordwrap($message_body, 998, "\r\n", true);
245  $MAIL_MIME->setTXTBody($message_body, FALSE, TRUE);
246  }
247
248
249// add stored attachments, if any
250if (is_array($_SESSION['compose']['attachments']))
251  foreach ($_SESSION['compose']['attachments'] as $attachment)
252    $MAIL_MIME->addAttachment($attachment['path'], $attachment['mimetype'], $attachment['name'], true, 'base64', 'attachment', $message_charset);
253
254// add submitted attachments
255if (is_array($_FILES['_attachments']['tmp_name']))
256  foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath)
257    $MAIL_MIME->addAttachment($filepath, $files['type'][$i], $files['name'][$i], true, 'base64', 'attachment', $message_charset);
258
259
260// chose transfer encoding
261$charset_7bit = array('ASCII', 'ISO-2022-JP', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-15');
262$transfer_encoding = in_array(strtoupper($message_charset), $charset_7bit) ? '7bit' : '8bit';
263
264// encoding settings for mail composing
265$MAIL_MIME->setParam(array(
266  'text_encoding' => $transfer_encoding,
267  'html_encoding' => 'quoted-printable',
268  'head_encoding' => 'quoted-printable',
269  'head_charset'  => $message_charset,
270  'html_charset'  => $message_charset,
271  'text_charset'  => $message_charset,
272));
273
274// encoding subject header with mb_encode provides better results with asian characters
275if ($MBSTRING && function_exists("mb_encode_mimeheader"))
276{
277  mb_internal_encoding($message_charset);
278  $headers['Subject'] = mb_encode_mimeheader($headers['Subject'], $message_charset, 'Q');
279  mb_internal_encoding(RCMAIL_CHARSET);
280}
281
282// pass headers to message object
283$MAIL_MIME->headers($headers);
284
285// Begin SMTP Delivery Block
286if (!$savedraft)
287{
288  $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto);
289 
290  // return to compose page if sending failed
291  if (!$sent)
292    {
293    $OUTPUT->show_message("sendingfailed", 'error');
294    $OUTPUT->send('iframe');
295    return;
296    }
297 
298  // set repliead flag
299  if ($_SESSION['compose']['reply_uid'])
300    $IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED');
301
302  } // End of SMTP Delivery Block
303
304
305
306// Determine which folder to save message
307if ($savedraft)
308  $store_target = 'drafts_mbox';
309else
310  $store_target = 'sent_mbox';
311
312if ($CONFIG[$store_target])
313  {
314  // check if mailbox exists
315  if (!in_array_nocase($CONFIG[$store_target], $IMAP->list_mailboxes()))
316    $store_folder = $IMAP->create_mailbox($CONFIG[$store_target], TRUE);
317  else
318    $store_folder = TRUE;
319 
320  // append message to sent box
321  if ($store_folder)
322    $saved = $IMAP->save_message($CONFIG[$store_target], $MAIL_MIME->getMessage());
323
324  // raise error if saving failed
325  if (!$saved)
326    {
327    raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
328                      'message' => "Could not save message in $CONFIG[$store_target]"), TRUE, FALSE);
329   
330    $OUTPUT->show_message('errorsaving', 'error');
331    $OUTPUT->send('iframe');
332    }
333
334  if ($olddraftmessageid)
335    {
336    // delete previous saved draft
337    $a_deleteid = $IMAP->search($CONFIG['drafts_mbox'],'HEADER Message-ID',$olddraftmessageid);
338    $deleted = $IMAP->delete_message($IMAP->get_uid($a_deleteid[0],$CONFIG['drafts_mbox']),$CONFIG['drafts_mbox']);
339
340    // raise error if deletion of old draft failed
341    if (!$deleted)
342      raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
343                        'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
344    }
345  }
346
347if ($savedraft)
348  {
349  // display success
350  $OUTPUT->show_message('messagesaved', 'confirmation');
351
352  // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
353  $OUTPUT->command('set_draft_id', str_replace(array('<','>'), "", $message_id));
354  $OUTPUT->command('compose_field_hash', true);
355
356  // start the auto-save timer again
357  $OUTPUT->command('auto_save_start');
358
359  $OUTPUT->send('iframe');
360  }
361else
362  {
363  if ($CONFIG['smtp_log'])
364    {
365    $log_entry = sprintf(
366      "[%s] User: %d on %s; Message for %s; %s\n",
367      date("d-M-Y H:i:s O", mktime()),
368      $_SESSION['user_id'],
369      $_SERVER['REMOTE_ADDR'],
370      $mailto,
371      !empty($smtp_response) ? join('; ', $smtp_response) : '');
372
373    if ($fp = @fopen($CONFIG['log_dir'].'/sendmail', 'a'))
374      {
375      fwrite($fp, $log_entry);
376      fclose($fp);
377      }
378    }
379
380  rcmail_compose_cleanup();
381  $OUTPUT->command('sent_successfully', rcube_label('messagesent'));
382  $OUTPUT->send('iframe');
383  }
384
385
386?>
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