source: github/program/steps/mail/sendmail.inc @ 4ffa559

release-0.7
Last change on this file since 4ffa559 was 4ffa559, checked in by alecpl <alec@…>, 15 months ago
  • Apply fixes from trunk
  • Property mode set to 100644
File size: 25.3 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) 2005-2011, The Roundcube Dev Team                       |
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 the PEAR::Net_SMTP class or with PHP mail()       |
14 |                                                                       |
15 +-----------------------------------------------------------------------+
16 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
17 +-----------------------------------------------------------------------+
18
19 $Id$
20
21*/
22
23// remove all scripts and act as called in frame
24$OUTPUT->reset();
25$OUTPUT->framed = TRUE;
26
27$savedraft = !empty($_POST['_draft']) ? true : false;
28
29$COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GPC);
30$COMPOSE    =& $_SESSION['compose_data_'.$COMPOSE_ID];
31
32/****** checks ********/
33
34if (!isset($COMPOSE['id'])) {
35  raise_error(array('code' => 500, 'type' => 'php',
36    'file' => __FILE__, 'line' => __LINE__,
37    'message' => "Invalid compose ID"), true, false);
38
39  $OUTPUT->show_message('internalerror', 'error');
40  $OUTPUT->send('iframe');
41}
42
43if (!$savedraft) {
44  if (empty($_POST['_to']) && empty($_POST['_cc']) && empty($_POST['_bcc'])
45    && empty($_POST['_subject']) && $_POST['_message']) {
46    $OUTPUT->show_message('sendingfailed', 'error');
47    $OUTPUT->send('iframe');
48  }
49
50  if(!empty($CONFIG['sendmail_delay'])) {
51    $wait_sec = time() - intval($CONFIG['sendmail_delay']) - intval($CONFIG['last_message_time']);
52    if($wait_sec < 0) {
53      $OUTPUT->show_message('senttooquickly', 'error', array('sec' => $wait_sec * -1));
54      $OUTPUT->send('iframe');
55    }
56  }
57}
58
59
60/****** message sending functions ********/
61
62// encrypt parts of the header
63function rcmail_encrypt_header($what)
64{
65  global $CONFIG, $RCMAIL;
66  if (!$CONFIG['http_received_header_encrypt']) {
67    return $what;
68  }
69  return $RCMAIL->encrypt($what);
70}
71
72// get identity record
73function rcmail_get_identity($id)
74{
75  global $USER, $OUTPUT;
76
77  if ($sql_arr = $USER->get_identity($id)) {
78    $out = $sql_arr;
79    $out['mailto'] = $sql_arr['email'];
80    $out['string'] = format_email_recipient($sql_arr['email'],
81      rcube_charset_convert($sql_arr['name'], RCMAIL_CHARSET, $OUTPUT->get_charset()));
82
83    return $out;
84  }
85
86  return FALSE;
87}
88
89/**
90 * go from this:
91 * <img src="http[s]://.../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
92 *
93 * to this:
94 *
95 * <img src="/path/on/server/.../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
96 * ...
97 */
98function rcmail_fix_emoticon_paths(&$mime_message)
99{
100  global $CONFIG;
101
102  $body = $mime_message->getHTMLBody();
103
104  // remove any null-byte characters before parsing
105  $body = preg_replace('/\x00/', '', $body);
106
107  $searchstr = 'program/js/tiny_mce/plugins/emotions/img/';
108  $offset = 0;
109
110  // keep track of added images, so they're only added once
111  $included_images = array();
112
113  if (preg_match_all('# src=[\'"]([^\'"]+)#', $body, $matches, PREG_OFFSET_CAPTURE)) {
114    foreach ($matches[1] as $m) {
115      // find emoticon image tags
116      if (preg_match('#'.$searchstr.'(.*)$#', $m[0], $imatches)) {
117        $image_name = $imatches[1];
118
119        // sanitize image name so resulting attachment doesn't leave images dir
120        $image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i', '', $image_name);
121        $img_file = INSTALL_PATH . '/' . $searchstr . $image_name;
122
123        if (! in_array($image_name, $included_images)) {
124          // add the image to the MIME message
125          if (! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name))
126            $OUTPUT->show_message("emoticonerror", 'error');
127          array_push($included_images, $image_name);
128        }
129
130        $body = substr_replace($body, $img_file, $m[1] + $offset, strlen($m[0]));
131        $offset += strlen($img_file) - strlen($m[0]);
132      }
133    }
134  }
135
136  $mime_message->setHTMLBody($body);
137
138  return $body;
139}
140
141/**
142 * Parse and cleanup email address input (and count addresses)
143 *
144 * @param string  Address input
145 * @param boolean Do count recipients (saved in global $RECIPIENT_COUNT)
146 * @param boolean Validate addresses (errors saved in global $EMAIL_FORMAT_ERROR)
147 * @return string Canonical recipients string separated by comma
148 */
149function rcmail_email_input_format($mailto, $count=false, $check=true)
150{
151  global $RCMAIL, $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT;
152
153  // simplified email regexp, supporting quoted local part
154  $email_regexp = '(\S+|("[^"]+"))@\S+';
155
156  $delim = trim($RCMAIL->config->get('recipients_separator', ','));
157  $regexp  = array("/[,;$delim]\s*[\r\n]+/", '/[\r\n]+/', "/[,;$delim]\s*\$/m", '/;/', '/(\S{1})(<'.$email_regexp.'>)/U');
158  $replace = array($delim.' ', ', ', '', $delim, '\\1 \\2');
159
160  // replace new lines and strip ending ', ', make address input more valid
161  $mailto = trim(preg_replace($regexp, $replace, $mailto));
162
163  $result = array();
164  $items = rcube_explode_quoted_string($delim, $mailto);
165
166  foreach($items as $item) {
167    $item = trim($item);
168    // address in brackets without name (do nothing)
169    if (preg_match('/^<'.$email_regexp.'>$/', $item)) {
170      $item = rcube_idn_to_ascii(trim($item, '<>'));
171      $result[] = '<' . $item . '>';
172    // address without brackets and without name (add brackets)
173    } else if (preg_match('/^'.$email_regexp.'$/', $item)) {
174      $item = rcube_idn_to_ascii($item);
175      $result[] = '<' . $item . '>';
176    // address with name (handle name)
177    } else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) {
178      $address = $matches[0];
179      $name = trim(str_replace($address, '', $item));
180      if ($name[0] == '"' && $name[count($name)-1] == '"') {
181        $name = substr($name, 1, -1);
182      }
183      $name = stripcslashes($name);
184      $address = rcube_idn_to_ascii(trim($address, '<>'));
185      $result[] = format_email_recipient($address, $name);
186      $item = $address;
187    } else if (trim($item)) {
188      continue;
189    }
190
191    // check address format
192    $item = trim($item, '<>');
193    if ($item && $check && !check_email($item)) {
194      $EMAIL_FORMAT_ERROR = $item;
195      return;
196    }
197  }
198
199  if ($count) {
200    $RECIPIENT_COUNT += count($result);
201  }
202
203  return implode(', ', $result);
204}
205
206
207/****** compose message ********/
208
209if (strlen($_POST['_draft_saveid']) > 3)
210  $olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
211
212$message_id = rcmail_gen_message_id();
213
214// set default charset
215$input_charset = $OUTPUT->get_charset();
216$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;
217
218$EMAIL_FORMAT_ERROR = NULL;
219$RECIPIENT_COUNT = 0;
220
221$mailto = rcmail_email_input_format(get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset), true);
222$mailcc = rcmail_email_input_format(get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset), true);
223$mailbcc = rcmail_email_input_format(get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset), true);
224
225if ($EMAIL_FORMAT_ERROR) {
226  $OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR));
227  $OUTPUT->send('iframe');
228}
229
230if (empty($mailto) && !empty($mailcc)) {
231  $mailto = $mailcc;
232  $mailcc = null;
233}
234else if (empty($mailto))
235  $mailto = 'undisclosed-recipients:;';
236
237// Get sender name and address...
238$from = get_input_value('_from', RCUBE_INPUT_POST, true, $message_charset);
239// ... from identity...
240if (is_numeric($from)) {
241  if (is_array($identity_arr = rcmail_get_identity($from))) {
242    if ($identity_arr['mailto'])
243      $from = $identity_arr['mailto'];
244    if ($identity_arr['string'])
245      $from_string = $identity_arr['string'];
246  }
247  else {
248    $from = null;
249  }
250}
251// ... if there is no identity record, this might be a custom from
252else if ($from_string = rcmail_email_input_format($from)) {
253  if (preg_match('/(\S+@\S+)/', $from_string, $m))
254    $from = trim($m[1], '<>');
255  else
256    $from = null;
257}
258
259if (!$from_string && $from)
260  $from_string = $from;
261
262// compose headers array
263$headers = array();
264
265// if configured, the Received headers goes to top, for good measure
266if ($CONFIG['http_received_header'])
267{
268  $nldlm = "\r\n\t";
269  // FROM/VIA
270  $http_header = 'from ';
271  if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
272    $host = $_SERVER['HTTP_X_FORWARDED_FOR'];
273    $hostname = gethostbyaddr($host);
274    if ($CONFIG['http_received_header_encrypt']) {
275      $http_header .= rcmail_encrypt_header($hostname);
276      if ($host != $hostname)
277        $http_header .= ' ('. rcmail_encrypt_header($host) . ')';
278    } else {
279      $http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']');
280      if ($host != $hostname)
281        $http_header .= ' (['. $host .'])';
282    }
283    $http_header .= $nldlm . ' via ';
284  }
285  $host = $_SERVER['REMOTE_ADDR'];
286  $hostname = gethostbyaddr($host);
287  if ($CONFIG['http_received_header_encrypt']) {
288    $http_header .= rcmail_encrypt_header($hostname);
289    if ($host != $hostname)
290      $http_header .= ' ('. rcmail_encrypt_header($host) . ')';
291  } else {
292    $http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']');
293    if ($host != $hostname)
294      $http_header .= ' (['. $host .'])';
295  }
296  // BY
297  $http_header .= $nldlm . 'by ' . $_SERVER['HTTP_HOST'];
298  // WITH
299  $http_header .= $nldlm . 'with HTTP (' . $_SERVER['SERVER_PROTOCOL'] .
300      ' '.$_SERVER['REQUEST_METHOD'] . '); ' . date('r');
301  $http_header = wordwrap($http_header, 69, $nldlm);
302
303  $headers['Received'] = $http_header;
304}
305
306$headers['Date'] = rcmail_user_date();
307$headers['From'] = rcube_charset_convert($from_string, RCMAIL_CHARSET, $message_charset);
308$headers['To'] = $mailto;
309
310// additional recipients
311if (!empty($mailcc)) {
312  $headers['Cc'] = $mailcc;
313}
314if (!empty($mailbcc)) {
315  $headers['Bcc'] = $mailbcc;
316}
317if (!empty($identity_arr['bcc'])) {
318  $headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
319  $RECIPIENT_COUNT ++;
320}
321
322if (($max_recipients = (int) $RCMAIL->config->get('max_recipients')) > 0) {
323  if ($RECIPIENT_COUNT > $max_recipients) {
324    $OUTPUT->show_message('toomanyrecipients', 'error', array('max' => $max_recipients));
325    $OUTPUT->send('iframe');
326  }
327}
328
329// add subject
330$headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, TRUE, $message_charset));
331
332if (!empty($identity_arr['organization'])) {
333  $headers['Organization'] = $identity_arr['organization'];
334}
335if (!empty($_POST['_replyto'])) {
336  $headers['Reply-To'] = rcmail_email_input_format(get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
337}
338else if (!empty($identity_arr['reply-to'])) {
339  $headers['Reply-To'] = rcmail_email_input_format($identity_arr['reply-to'], false, true);
340}
341if (!empty($headers['Reply-To'])) {
342  $headers['Mail-Reply-To'] = $headers['Reply-To'];
343}
344if (!empty($_POST['_followupto'])) {
345  $headers['Mail-Followup-To'] = rcmail_email_input_format(get_input_value('_followupto', RCUBE_INPUT_POST, TRUE, $message_charset));
346}
347if (!empty($COMPOSE['reply_msgid'])) {
348  $headers['In-Reply-To'] = $COMPOSE['reply_msgid'];
349}
350
351// remember reply/forward UIDs in special headers
352if (!empty($COMPOSE['reply_uid']) && $savedraft) {
353  $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $COMPOSE['reply_uid']);
354}
355else if (!empty($COMPOSE['forward_uid']) && $savedraft) {
356  $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $COMPOSE['forward_uid']);
357}
358
359if (!empty($COMPOSE['references'])) {
360  $headers['References'] = $COMPOSE['references'];
361}
362
363if (!empty($_POST['_priority'])) {
364  $priority = intval($_POST['_priority']);
365  $a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
366  if ($str_priority = $a_priorities[$priority]) {
367    $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
368  }
369}
370
371if (!empty($_POST['_receipt'])) {
372  $headers['Return-Receipt-To'] = $from_string;
373  $headers['Disposition-Notification-To'] = $from_string;
374}
375
376// additional headers
377$headers['Message-ID'] = $message_id;
378$headers['X-Sender'] = $from;
379
380if (is_array($headers['X-Draft-Info'])) {
381  $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $COMPOSE['mailbox']));
382}
383if (!empty($CONFIG['useragent'])) {
384  $headers['User-Agent'] = $CONFIG['useragent'];
385}
386
387// exec hook for header checking and manipulation
388$data = $RCMAIL->plugins->exec_hook('message_outgoing_headers', array('headers' => $headers));
389
390// sending aborted by plugin
391if ($data['abort'] && !$savedraft) {
392  $OUTPUT->show_message($data['message'] ? $data['message'] : 'sendingfailed');
393  $OUTPUT->send('iframe');
394}
395else
396  $headers = $data['headers'];
397
398
399$isHtml = (bool) get_input_value('_is_html', RCUBE_INPUT_POST);
400
401// fetch message body
402$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
403
404if (!$savedraft) {
405  if ($isHtml) {
406    // remove signature's div ID
407    $message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body);
408
409    // add inline css for blockquotes
410    $bstyle = 'padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%';
411    $message_body = preg_replace('/<blockquote>/',
412      '<blockquote type="cite" style="'.$bstyle.'">', $message_body);
413
414    // append doctype and html/body wrappers
415    $message_body = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">' .
416      "\r\n<html><body>\r\n" . $message_body;
417  }
418
419  // Check spelling before send
420  if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck']
421    && empty($COMPOSE['spell_checked']) && !empty($message_body)
422  ) {
423    $spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC));
424    $spell_result = $spellchecker->check($message_body, $isHtml);
425
426    $COMPOSE['spell_checked'] = true;
427
428    if (!$spell_result) {
429      $result = $isHtml ? $spellchecker->get_words() : $spellchecker->get_xml();
430      $OUTPUT->show_message('mispellingsfound', 'error');
431      $OUTPUT->command('spellcheck_resume', $isHtml, $result);
432      $OUTPUT->send('iframe');
433    }
434  }
435
436  // generic footer for all messages
437  if ($isHtml && !empty($CONFIG['generic_message_footer_html'])) {
438      $footer = file_get_contents(realpath($CONFIG['generic_message_footer_html']));
439      $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset);
440  }
441  else if (!empty($CONFIG['generic_message_footer'])) {
442    $footer = file_get_contents(realpath($CONFIG['generic_message_footer']));
443    $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset);
444    if ($isHtml)
445      $footer = '<pre>'.$footer.'</pre>';
446  }
447
448  if ($footer)
449    $message_body .= "\r\n" . $footer;
450  if ($isHtml)
451    $message_body .= "\r\n</body></html>\r\n";
452}
453
454// set line length for body wrapping
455$LINE_LENGTH = $RCMAIL->config->get('line_length', 72);
456
457// Since we can handle big messages with disk usage, we need more time to work
458@set_time_limit(0);
459
460// create PEAR::Mail_mime instance
461$MAIL_MIME = new Mail_mime("\r\n");
462
463// Check if we have enough memory to handle the message in it
464// It's faster than using files, so we'll do this if we only can
465if (is_array($COMPOSE['attachments']) && $CONFIG['smtp_server']
466  && ($mem_limit = parse_bytes(ini_get('memory_limit'))))
467{
468  $memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
469
470  foreach ($COMPOSE['attachments'] as $id => $attachment)
471    $memory += $attachment['size'];
472
473  // Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64
474  if ($memory * 1.33 * 12 > $mem_limit)
475    $MAIL_MIME->setParam('delay_file_io', true);
476}
477
478// For HTML-formatted messages, construct the MIME message with both
479// the HTML part and the plain-text part
480
481if ($isHtml) {
482  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
483    array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME));
484
485  $MAIL_MIME->setHTMLBody($plugin['body']);
486
487  // replace emoticons
488  $plugin['body'] = rcmail_replace_emoticons($plugin['body']);
489
490  // add a plain text version of the e-mail as an alternative part.
491  $h2t = new html2text($plugin['body'], false, true, 0);
492  $plainTextPart = rc_wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n");
493  $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
494  if (!$plainTextPart) {
495    // empty message body breaks attachment handling in drafts
496    $plainTextPart = "\r\n";
497  }
498  else {
499    // make sure all line endings are CRLF (#1486712)
500    $plainTextPart = preg_replace('/\r?\n/', "\r\n", $plainTextPart);
501  }
502
503  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
504    array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME));
505
506  $MAIL_MIME->setTXTBody($plugin['body']);
507
508  // look for "emoticon" images from TinyMCE and change their src paths to
509  // be file paths on the server instead of URL paths.
510  $message_body = rcmail_fix_emoticon_paths($MAIL_MIME);
511}
512else {
513  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
514    array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME));
515
516  $message_body = $plugin['body'];
517
518  // compose format=flowed content if enabled
519  if ($flowed = $RCMAIL->config->get('send_format_flowed', true))
520    $message_body = rcube_message::format_flowed($message_body, min($LINE_LENGTH+2, 79));
521  else
522    $message_body = rc_wordwrap($message_body, $LINE_LENGTH, "\r\n");
523
524  $message_body = wordwrap($message_body, 998, "\r\n", true);
525  if (!strlen($message_body)) {
526    // empty message body breaks attachment handling in drafts
527    $message_body = "\r\n";
528  }
529
530  $MAIL_MIME->setTXTBody($message_body, false, true);
531}
532
533// add stored attachments, if any
534if (is_array($COMPOSE['attachments']))
535{
536  foreach ($COMPOSE['attachments'] as $id => $attachment) {
537    // This hook retrieves the attachment contents from the file storage backend
538    $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment);
539
540    $dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]*/';
541    $message_body = $MAIL_MIME->getHTMLBody();
542    if ($isHtml && (preg_match($dispurl, $message_body) > 0)) {
543      $message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'" ', $message_body);
544      $MAIL_MIME->setHTMLBody($message_body);
545
546      if ($attachment['data'])
547        $MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false);
548      else
549        $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true);
550    }
551    else {
552      $ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914
553      $file = $attachment['data'] ? $attachment['data'] : $attachment['path'];
554
555      // .eml attachments send inline
556      $MAIL_MIME->addAttachment($file,
557        $ctype,
558        $attachment['name'],
559        ($attachment['data'] ? false : true),
560        ($ctype == 'message/rfc822' ? '8bit' : 'base64'),
561        ($ctype == 'message/rfc822' ? 'inline' : 'attachment'),
562        '', '', '',
563        $CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
564        $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL,
565        '', RCMAIL_CHARSET
566      );
567    }
568  }
569}
570
571// choose transfer encoding for plain/text body
572if (preg_match('/[^\x00-\x7F]/', $MAIL_MIME->getTXTBody()))
573  $transfer_encoding = $RCMAIL->config->get('force_7bit') ? 'quoted-printable' : '8bit';
574else
575  $transfer_encoding = '7bit';
576
577// encoding settings for mail composing
578$MAIL_MIME->setParam('text_encoding', $transfer_encoding);
579$MAIL_MIME->setParam('html_encoding', 'quoted-printable');
580$MAIL_MIME->setParam('head_encoding', 'quoted-printable');
581$MAIL_MIME->setParam('head_charset', $message_charset);
582$MAIL_MIME->setParam('html_charset', $message_charset);
583$MAIL_MIME->setParam('text_charset', $message_charset . ($flowed ? ";\r\n format=flowed" : ''));
584
585// encoding subject header with mb_encode provides better results with asian characters
586if (function_exists('mb_encode_mimeheader')) {
587  mb_internal_encoding($message_charset);
588  $headers['Subject'] = mb_encode_mimeheader($headers['Subject'],
589    $message_charset, 'Q', "\r\n", 8);
590  mb_internal_encoding(RCMAIL_CHARSET);
591}
592
593// pass headers to message object
594$MAIL_MIME->headers($headers);
595
596// Begin SMTP Delivery Block
597if (!$savedraft)
598{
599  // check 'From' address (identity may be incomplete)
600  if (empty($from)) {
601    $OUTPUT->show_message('nofromaddress', 'error');
602    $OUTPUT->send('iframe');
603  }
604
605  // Handle Delivery Status Notification request
606  if (!empty($_POST['_dsn'])) {
607    $smtp_opts['dsn'] = true;
608  }
609
610  $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto,
611    $smtp_error, $mailbody_file, $smtp_opts);
612
613  // return to compose page if sending failed
614  if (!$sent)
615    {
616    // remove temp file
617    if ($mailbody_file) {
618      unlink($mailbody_file);
619      }
620
621    if ($smtp_error)
622      $OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']);
623    else
624      $OUTPUT->show_message('sendingfailed', 'error');
625    $OUTPUT->send('iframe');
626    }
627
628  // save message sent time
629  if (!empty($CONFIG['sendmail_delay']))
630    $RCMAIL->user->save_prefs(array('last_message_time' => time()));
631
632  // set replied/forwarded flag
633  if ($COMPOSE['reply_uid'])
634    $IMAP->set_flag($COMPOSE['reply_uid'], 'ANSWERED', $COMPOSE['mailbox']);
635  else if ($COMPOSE['forward_uid'])
636    $IMAP->set_flag($COMPOSE['forward_uid'], 'FORWARDED', $COMPOSE['mailbox']);
637
638} // End of SMTP Delivery Block
639
640
641// Determine which folder to save message
642if ($savedraft)
643  $store_target = $CONFIG['drafts_mbox'];
644else
645  $store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox'];
646
647if ($store_target) {
648  // check if folder is subscribed
649  if ($IMAP->mailbox_exists($store_target, true))
650    $store_folder = true;
651  // folder may be existing but not subscribed (#1485241)
652  else if (!$IMAP->mailbox_exists($store_target))
653    $store_folder = $IMAP->create_mailbox($store_target, true);
654  else if ($IMAP->subscribe($store_target))
655    $store_folder = true;
656
657  // append message to sent box
658  if ($store_folder) {
659    // message body in file
660    if ($mailbody_file || $MAIL_MIME->getParam('delay_file_io')) {
661      $headers = $MAIL_MIME->txtHeaders();
662
663      // file already created
664      if ($mailbody_file)
665        $msg = $mailbody_file;
666      else {
667        $temp_dir = $RCMAIL->config->get('temp_dir');
668        $mailbody_file = tempnam($temp_dir, 'rcmMsg');
669        if (!PEAR::isError($msg = $MAIL_MIME->saveMessageBody($mailbody_file)))
670          $msg = $mailbody_file;
671      }
672    }
673    else {
674      $msg = $MAIL_MIME->getMessage();
675      $headers = '';
676    }
677
678    if (PEAR::isError($msg))
679      raise_error(array('code' => 650, 'type' => 'php',
680            'file' => __FILE__, 'line' => __LINE__,
681            'message' => "Could not create message: ".$msg->getMessage()),
682            TRUE, FALSE);
683    else {
684      $saved = $IMAP->save_message($store_target, $msg, $headers, $mailbody_file ? true : false);
685    }
686
687    if ($mailbody_file) {
688      unlink($mailbody_file);
689      $mailbody_file = null;
690    }
691
692    // raise error if saving failed
693    if (!$saved) {
694      raise_error(array('code' => 800, 'type' => 'imap',
695            'file' => __FILE__, 'line' => __LINE__,
696            'message' => "Could not save message in $store_target"), TRUE, FALSE);
697
698      if ($savedraft) {
699        $OUTPUT->show_message('errorsaving', 'error');
700        $OUTPUT->send('iframe');
701      }
702    }
703  }
704
705  if ($olddraftmessageid) {
706    // delete previous saved draft
707    // @TODO: use message UID (remember to check UIDVALIDITY) to skip this SEARCH
708    $a_deleteid = $IMAP->search_once($CONFIG['drafts_mbox'],
709        'HEADER Message-ID '.$olddraftmessageid, true);
710
711    if (!empty($a_deleteid)) {
712      $deleted = $IMAP->delete_message($a_deleteid, $CONFIG['drafts_mbox']);
713
714      // raise error if deletion of old draft failed
715      if (!$deleted)
716        raise_error(array('code' => 800, 'type' => 'imap',
717          'file' => __FILE__, 'line' => __LINE__,
718          'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
719    }
720  }
721}
722// remove temp file
723else if ($mailbody_file) {
724  unlink($mailbody_file);
725}
726
727
728if ($savedraft) {
729  $msgid = strtr($message_id, array('>' => '', '<' => ''));
730
731  // remember new draft-uid ($saved could be an UID or TRUE here)
732  if (is_bool($saved)) {
733    $draftuids = $IMAP->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid, true);
734    $saved     = $draftuids[0];
735  }
736  $COMPOSE['param']['draft_uid'] = $saved;
737  $plugin = $RCMAIL->plugins->exec_hook('message_draftsaved', array('msgid' => $msgid, 'uid' => $saved, 'folder' => $store_target));
738
739  // display success
740  $OUTPUT->show_message($plugin['message'] ? $plugin['message'] : 'messagesaved', 'confirmation');
741
742  // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
743  $OUTPUT->command('set_draft_id', $msgid);
744  $OUTPUT->command('compose_field_hash', true);
745
746  // start the auto-save timer again
747  $OUTPUT->command('auto_save_start');
748
749  $OUTPUT->send('iframe');
750}
751else {
752  rcmail_compose_cleanup($COMPOSE_ID);
753
754  if ($store_folder && !$saved)
755    $OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
756  else
757    $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'));
758  $OUTPUT->send('iframe');
759}
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