source: subversion/trunk/roundcubemail/program/steps/mail/sendmail.inc @ 556

Last change on this file since 556 was 556, checked in by thomasb, 6 years ago

Wrap message body text (closes #1484148)
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 14.8 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('include/rcube_smtp.inc');
26require_once('lib/html2text.inc');
27require_once('lib/rc_mail_mime.inc');
28
29
30if (!isset($_SESSION['compose']['id']))
31  {
32  rcmail_overwrite_action('list');
33  return;
34  }
35
36
37/****** message sending functions ********/
38
39
40function rcmail_get_identity($id)
41  {
42  global $DB, $OUTPUT;
43 
44  // get identity record
45  $sql_result = $DB->query("SELECT *, email AS mailto
46                            FROM ".get_table_name('identities')."
47                            WHERE  identity_id=?
48                            AND    user_id=?
49                            AND    del<>1",
50                            $id,$_SESSION['user_id']);
51                                   
52  if ($DB->num_rows($sql_result))
53    {
54    $sql_arr = $DB->fetch_assoc($sql_result);
55    $out = $sql_arr;
56    $name = strpos($sql_arr['name'], ",") ? '"'.$sql_arr['name'].'"' : $sql_arr['name'];
57    $out['string'] = sprintf('%s <%s>',
58                             rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset()),
59                             $sql_arr['mailto']);
60    return $out;
61    }
62
63  return FALSE; 
64  }
65
66/**
67 * go from this:
68 * <img src=".../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
69 *
70 * to this:
71 *
72 * <IMG src="cid:smiley-cool.gif"/>
73 * ...
74 * ------part...
75 * Content-Type: image/gif
76 * Content-Transfer-Encoding: base64
77 * Content-ID: <smiley-cool.gif>
78 */
79function rcmail_attach_emoticons(&$mime_message)
80{
81  global $CONFIG, $INSTALL_PATH;
82
83  $htmlContents = $mime_message->getHtmlBody();
84
85  // remove any null-byte characters before parsing
86  $body = preg_replace('/\x00/', '', $htmlContents);
87 
88  $last_img_pos = 0;
89
90  $searchstr = 'program/js/tiny_mce/plugins/emotions/images/';
91
92  // keep track of added images, so they're only added once
93  $included_images = array();
94
95  // find emoticon image tags
96  while ($pos = strpos($body, $searchstr, $last_img_pos))
97    {
98    $pos2 = strpos($body, '"', $pos);
99    $body_pre = substr($body, 0, $pos);
100    $image_name = substr($body,
101                         $pos + strlen($searchstr),
102                         $pos2 - ($pos + strlen($searchstr)));
103    // sanitize image name so resulting attachment doesn't leave images dir
104    $image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i','',$image_name);
105
106    $body_post = substr($body, $pos2);
107
108    if (! in_array($image_name, $included_images))
109      {
110      // add the image to the MIME message
111      $img_file = $INSTALL_PATH . '/' . $searchstr . $image_name;
112      if(! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, '_' . $image_name))
113        $OUTPUT->show_message("emoticonerror", 'error');
114
115      array_push($included_images, $image_name);
116      }
117
118    $body = $body_pre . 'cid:_' . $image_name . $body_post;
119
120    $last_img_pos = $pos2;
121    }
122   
123  $mime_message->setHTMLBody($body);
124}
125
126if (strlen($_POST['_draft_saveid']) > 3)
127  $olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
128
129$message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.rand(),true)), rcmail_mail_domain($_SESSION['imap_host']));
130$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
131
132// remove all scripts and act as called in frame
133$OUTPUT->reset();
134$OUTPUT->framed = TRUE;
135
136
137/****** check submission and compose message ********/
138
139
140if (!$savedraft && empty($_POST['_to']) && empty($_POST['_subject']) && $_POST['_message'])
141  {
142  $OUTPUT->show_message("sendingfailed", 'error');
143  $OUTPUT->send('iframe');
144  return;
145  }
146
147
148// set default charset
149$input_charset = $OUTPUT->get_charset();
150$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;
151
152$mailto_regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/');
153$mailto_replace = array(', ', ', ', '', ',');
154
155// replace new lines and strip ending ', '
156$mailto = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset));
157
158// decode address strings
159$to_address_arr = $IMAP->decode_address_list($mailto);
160$identity_arr = rcmail_get_identity(get_input_value('_from', RCUBE_INPUT_POST));
161
162$from = $identity_arr['mailto'];
163$first_to = is_array($to_address_arr[0]) ? $to_address_arr[0]['mailto'] : $mailto;
164
165if (empty($identity_arr['string']))
166  $identity_arr['string'] = $from;
167
168// compose headers array
169$headers = array('Date' => date('D, j M Y H:i:s O'),
170                 'From' => rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset),
171                 'To'   => $mailto);
172
173// additional recipients
174if (!empty($_POST['_cc']))
175  $headers['Cc'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset));
176
177if (!empty($_POST['_bcc']))
178  $headers['Bcc'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset));
179 
180if (!empty($identity_arr['bcc']))
181  $headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
182
183// add subject
184$headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, FALSE, $message_charset));
185
186if (!empty($identity_arr['organization']))
187  $headers['Organization'] = $identity_arr['organization'];
188
189if (!empty($identity_arr['reply-to']))
190  $headers['Reply-To'] = $identity_arr['reply-to'];
191
192if (!empty($_SESSION['compose']['reply_msgid']))
193  $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
194
195if (!empty($_SESSION['compose']['references']))
196  $headers['References'] = $_SESSION['compose']['references'];
197
198if (!empty($_POST['_priority']))
199  {
200  $priority = (int)$_POST['_priority'];
201  $a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
202  if ($str_priority = $a_priorities[$priority])
203    $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
204  }
205
206if (!empty($_POST['_receipt']))
207  {
208  $headers['Return-Receipt-To'] = $identity_arr['string'];
209  $headers['Disposition-Notification-To'] = $identity_arr['string'];
210  }
211
212// additional headers
213$headers['Message-ID'] = $message_id;
214$headers['X-Sender'] = $from;
215
216if (!empty($CONFIG['useragent']))
217  $headers['User-Agent'] = $CONFIG['useragent'];
218
219// fetch message body
220$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
221
222// append generic footer to all messages
223if (!empty($CONFIG['generic_message_footer']))
224  {
225  $file = realpath($CONFIG['generic_message_footer']);
226  if($fp = fopen($file, 'r'))
227    {
228    $content = fread($fp, filesize($file));
229    fclose($fp);
230    $message_body .= "\r\n" . rcube_charset_convert($content, 'UTF-8', $message_charset);
231    }
232  }
233
234// try to autodetect operating system and use the correct line endings
235// use the configured delimiter for headers
236if (!empty($CONFIG['mail_header_delimiter']))
237  $header_delm = $CONFIG['mail_header_delimiter'];
238else if (strtolower(substr(PHP_OS, 0, 3)=='win'))
239  $header_delm = "\r\n";
240else if (strtolower(substr(PHP_OS, 0, 3)=='mac'))
241  $header_delm = "\r\n";
242else   
243  $header_delm = "\n";
244
245
246$isHtmlVal = strtolower(get_input_value('_is_html', RCUBE_INPUT_POST));
247$isHtml = ($isHtmlVal == "1");
248
249// create extended PEAR::Mail_mime instance
250$MAIL_MIME = new rc_mail_mime($header_delm);
251
252// For HTML-formatted messages, construct the MIME message with both
253// the HTML part and the plain-text part
254
255if ($isHtml)
256  {
257  $MAIL_MIME->setHTMLBody($message_body);
258
259  // add a plain text version of the e-mail as an alternative part.
260  $h2t = new html2text($message_body);
261  $plainTextPart = wordwrap($h2t->get_text(), 998, "\r\n", true);
262  $MAIL_MIME->setTXTBody($plainTextPart);
263
264  // look for "emoticon" images from TinyMCE and copy into message as attachments
265  rcmail_attach_emoticons($MAIL_MIME);
266  }
267else
268  {
269  $message_body = wordwrap($message_body, 75, "\r\n");
270  $message_body = wordwrap($message_body, 998, "\r\n", true);
271  $MAIL_MIME->setTXTBody($message_body, FALSE, TRUE);
272  }
273
274
275// add stored attachments, if any
276if (is_array($_SESSION['compose']['attachments']))
277  foreach ($_SESSION['compose']['attachments'] as $attachment)
278    $MAIL_MIME->addAttachment($attachment['path'], $attachment['mimetype'], $attachment['name'], true, 'base64', 'attachment', $message_charset);
279
280// add submitted attachments
281if (is_array($_FILES['_attachments']['tmp_name']))
282  foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath)
283    $MAIL_MIME->addAttachment($filepath, $files['type'][$i], $files['name'][$i], true, 'base64', 'attachment', $message_charset);
284
285
286// chose transfer encoding
287$charset_7bit = array('ASCII', 'ISO-2022-JP', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-15');
288$transfer_encoding = in_array(strtoupper($message_charset), $charset_7bit) ? '7bit' : '8bit';
289
290// encoding settings for mail composing
291$message_param = array(
292  'text_encoding' => $transfer_encoding,
293  'html_encoding' => 'quoted-printable',
294  'head_encoding' => 'quoted-printable',
295  'head_charset'  => $message_charset,
296  'html_charset'  => $message_charset,
297  'text_charset'  => $message_charset,
298);
299
300// compose message body and get headers
301$msg_body = $MAIL_MIME->get($message_param);
302// unset to save memory.
303unset($MAIL_MIME->_parts);
304
305// encoding subject header with mb_encode provides better results with asian characters
306if ($MBSTRING && function_exists("mb_encode_mimeheader"))
307{
308  mb_internal_encoding($message_charset);
309  $mb_subject = mb_encode_mimeheader($headers['Subject'], $message_charset, 'Q');
310  mb_internal_encoding(RCMAIL_CHARSET);
311}
312
313// Begin SMTP Delivery Block
314if (!$savedraft) {
315
316  // send thru SMTP server using custom SMTP library
317  if ($CONFIG['smtp_server'])
318    {
319    // generate list of recipients
320    $a_recipients = array($mailto);
321 
322    if (strlen($headers['Cc']))
323      $a_recipients[] = $headers['Cc'];
324    if (strlen($headers['Bcc']))
325      $a_recipients[] = $headers['Bcc'];
326 
327    // clean Bcc from header for recipients
328    $send_headers = $headers;
329    unset($send_headers['Bcc']);
330 
331    if (!empty($mb_subject))
332      $send_headers['Subject'] = $mb_subject;
333 
334    // send message
335    $smtp_response = array();
336    $sent = smtp_mail($from, $a_recipients, $MAIL_MIME->txtHeaders($send_headers), $msg_body, $smtp_response);
337 
338    // log error
339    if (!$sent)
340      raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
341                        'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
342    }
343 
344  // send mail using PHP's mail() function
345  else
346    {
347    // unset some headers because they will be added by the mail() function
348    $headers_enc = $MAIL_MIME->headers($headers);
349    $headers_php = $MAIL_MIME->_headers;
350    unset($headers_php['To'], $headers_php['Subject']);
351   
352    if (!empty($mb_subject))
353      $headers_enc['Subject'] = $mb_subject;
354   
355    // reset stored headers and overwrite
356    $MAIL_MIME->_headers = array();
357    $header_str = $MAIL_MIME->txtHeaders($headers_php);
358 
359    if (ini_get('safe_mode'))
360      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str);
361    else
362      $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
363    }
364 
365 
366  // return to compose page if sending failed
367  if (!$sent)
368    {
369    $OUTPUT->show_message("sendingfailed", 'error');
370    $OUTPUT->send('iframe');
371    return;
372    }
373 
374 
375  // set repliead flag
376  if ($_SESSION['compose']['reply_uid'])
377    $IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED');
378
379  } // End of SMTP Delivery Block
380
381
382
383// Determine which folder to save message
384if ($savedraft)
385  $store_target = 'drafts_mbox';
386else
387  $store_target = 'sent_mbox';
388
389if ($CONFIG[$store_target])
390  {
391  // create string of complete message headers
392  $header_str = $MAIL_MIME->txtHeaders($headers);
393
394  // check if mailbox exists
395  if (!in_array_nocase($CONFIG[$store_target], $IMAP->list_mailboxes()))
396    $store_folder = $IMAP->create_mailbox($CONFIG[$store_target], TRUE);
397  else
398    $store_folder = TRUE;
399 
400  // add headers to message body
401  $msg_body = $header_str."\r\n".$msg_body;
402
403  // append message to sent box
404  if ($store_folder)
405    $saved = $IMAP->save_message($CONFIG[$store_target], $msg_body);
406
407  // raise error if saving failed
408  if (!$saved)
409    {
410    raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
411                      'message' => "Could not save message in $CONFIG[$store_target]"), TRUE, FALSE);
412   
413    $OUTPUT->show_message('errorsaving', 'error');
414    $OUTPUT->send('iframe');
415    }
416
417  if ($olddraftmessageid)
418    {
419    // delete previous saved draft
420    $a_deleteid = $IMAP->search($CONFIG['drafts_mbox'],'HEADER Message-ID',$olddraftmessageid);
421    $deleted = $IMAP->delete_message($IMAP->get_uid($a_deleteid[0],$CONFIG['drafts_mbox']),$CONFIG['drafts_mbox']);
422
423    // raise error if deletion of old draft failed
424    if (!$deleted)
425      raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
426                        'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
427    }
428  }
429
430if ($savedraft)
431  {
432  // display success
433  $OUTPUT->show_message('messagesaved', 'confirmation');
434
435  // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
436  $OUTPUT->command('set_draft_id', str_replace(array('<','>'), "", $message_id));
437  $OUTPUT->command('compose_field_hash', true);
438
439  // start the auto-save timer again
440  $OUTPUT->command('auto_save_start');
441
442  $OUTPUT->send('iframe');
443  }
444else
445  {
446  if ($CONFIG['smtp_log'])
447    {
448    $log_entry = sprintf(
449      "[%s] User: %d on %s; Message for %s; %s\n",
450      date("d-M-Y H:i:s O", mktime()),
451      $_SESSION['user_id'],
452      $_SERVER['REMOTE_ADDR'],
453      $mailto,
454      !empty($smtp_response) ? join('; ', $smtp_response) : '');
455
456    if ($fp = @fopen($CONFIG['log_dir'].'/sendmail', 'a'))
457      {
458      fwrite($fp, $log_entry);
459      fclose($fp);
460      }
461    }
462
463  rcmail_compose_cleanup();
464  $OUTPUT->command('sent_successfully', rcube_label('messagesent'));
465  $OUTPUT->send('iframe');
466  }
467
468
469?>
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