source: github/program/steps/mail/sendmail.inc @ b169de8

Last change on this file since b169de8 was b169de8, checked in by Aleksander Machniak <alec@…>, 11 months ago
  • Fix order of attachments in sent mail (#1488423)
  • Property mode set to 100644
File size: 26.3 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 |                                                                       |
10 | Licensed under the GNU General Public License version 3 or            |
11 | any later version with exceptions for skins & plugins.                |
12 | See the README file for a full license statement.                     |
13 |                                                                       |
14 | PURPOSE:                                                              |
15 |   Compose a new mail message with all headers and attachments         |
16 |   and send it using the PEAR::Net_SMTP class or with PHP mail()       |
17 |                                                                       |
18 +-----------------------------------------------------------------------+
19 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
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 $RCMAIL, $OUTPUT;
76
77  if ($sql_arr = $RCMAIL->user->get_identity($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, $message_charset);
403
404if ($isHtml) {
405  $font   = rcube_fontdefs($RCMAIL->config->get('default_font', 'Verdana'));
406  $bstyle = $font && is_string($font) ? " style='font-family: $font'" : '';
407
408  // append doctype and html/body wrappers
409  $message_body = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">' .
410    "\r\n<html><body$bstyle>\r\n" . $message_body;
411}
412
413if (!$savedraft) {
414  if ($isHtml) {
415    // remove signature's div ID
416    $message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body);
417
418    // add inline css for blockquotes
419    $bstyle = 'padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%';
420    $message_body = preg_replace('/<blockquote>/',
421      '<blockquote type="cite" style="'.$bstyle.'">', $message_body);
422  }
423
424  // Check spelling before send
425  if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck']
426    && empty($COMPOSE['spell_checked']) && !empty($message_body)
427  ) {
428    $spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC));
429    $spell_result = $spellchecker->check($message_body, $isHtml);
430
431    $COMPOSE['spell_checked'] = true;
432
433    if (!$spell_result) {
434      $result = $isHtml ? $spellchecker->get_words() : $spellchecker->get_xml();
435      $OUTPUT->show_message('mispellingsfound', 'error');
436      $OUTPUT->command('spellcheck_resume', $isHtml, $result);
437      $OUTPUT->send('iframe');
438    }
439  }
440
441  // generic footer for all messages
442  if ($isHtml && !empty($CONFIG['generic_message_footer_html'])) {
443      $footer = file_get_contents(realpath($CONFIG['generic_message_footer_html']));
444      $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset);
445  }
446  else if (!empty($CONFIG['generic_message_footer'])) {
447    $footer = file_get_contents(realpath($CONFIG['generic_message_footer']));
448    $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset);
449    if ($isHtml)
450      $footer = '<pre>'.$footer.'</pre>';
451  }
452
453  if ($footer)
454    $message_body .= "\r\n" . $footer;
455}
456
457if ($isHtml) {
458  $message_body .= "\r\n</body></html>\r\n";
459}
460
461// sort attachments to make sure the order is the same as in the UI (#1488423)
462$files = get_input_value('_attachments', RCUBE_INPUT_POST);
463if ($files) {
464  $files = explode(',', $files);
465  $files = array_flip($files);
466  foreach ($files as $idx => $val) {
467    $files[$idx] = $COMPOSE['attachments'][$idx];
468    unset($COMPOSE['attachments'][$idx]);
469  }
470
471  $COMPOSE['attachments'] = array_merge(array_filter($files), $COMPOSE['attachments']);
472}
473
474// set line length for body wrapping
475$LINE_LENGTH = $RCMAIL->config->get('line_length', 72);
476
477// Since we can handle big messages with disk usage, we need more time to work
478@set_time_limit(0);
479
480// create PEAR::Mail_mime instance
481$MAIL_MIME = new Mail_mime("\r\n");
482
483// Check if we have enough memory to handle the message in it
484// It's faster than using files, so we'll do this if we only can
485if (is_array($COMPOSE['attachments']) && $CONFIG['smtp_server']
486  && ($mem_limit = parse_bytes(ini_get('memory_limit'))))
487{
488  $memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
489
490  foreach ($COMPOSE['attachments'] as $id => $attachment)
491    $memory += $attachment['size'];
492
493  // Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64
494  if ($memory * 1.33 * 12 > $mem_limit)
495    $MAIL_MIME->setParam('delay_file_io', true);
496}
497
498// For HTML-formatted messages, construct the MIME message with both
499// the HTML part and the plain-text part
500
501if ($isHtml) {
502  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
503    array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME));
504
505  $MAIL_MIME->setHTMLBody($plugin['body']);
506
507  // replace emoticons
508  $plugin['body'] = rcmail_replace_emoticons($plugin['body']);
509
510  // add a plain text version of the e-mail as an alternative part.
511  $h2t = new html2text($plugin['body'], false, true, 0);
512  $plainTextPart = rc_wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n");
513  $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
514  if (!$plainTextPart) {
515    // empty message body breaks attachment handling in drafts
516    $plainTextPart = "\r\n";
517  }
518  else {
519    // make sure all line endings are CRLF (#1486712)
520    $plainTextPart = preg_replace('/\r?\n/', "\r\n", $plainTextPart);
521  }
522
523  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
524    array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME));
525
526  $MAIL_MIME->setTXTBody($plugin['body']);
527
528  // look for "emoticon" images from TinyMCE and change their src paths to
529  // be file paths on the server instead of URL paths.
530  $message_body = rcmail_fix_emoticon_paths($MAIL_MIME);
531}
532else {
533  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
534    array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME));
535
536  $message_body = $plugin['body'];
537
538  // compose format=flowed content if enabled
539  if ($flowed = $RCMAIL->config->get('send_format_flowed', true))
540    $message_body = rcube_mime::format_flowed($message_body, min($LINE_LENGTH+2, 79));
541  else
542    $message_body = rc_wordwrap($message_body, $LINE_LENGTH, "\r\n");
543
544  $message_body = wordwrap($message_body, 998, "\r\n", true);
545  if (!strlen($message_body)) {
546    // empty message body breaks attachment handling in drafts
547    $message_body = "\r\n";
548  }
549
550  $MAIL_MIME->setTXTBody($message_body, false, true);
551}
552
553// add stored attachments, if any
554if (is_array($COMPOSE['attachments']))
555{
556  foreach ($COMPOSE['attachments'] as $id => $attachment) {
557    // This hook retrieves the attachment contents from the file storage backend
558    $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment);
559
560    $dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]*/';
561    $message_body = $MAIL_MIME->getHTMLBody();
562    if ($isHtml && (preg_match($dispurl, $message_body) > 0)) {
563      $message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'" ', $message_body);
564      $MAIL_MIME->setHTMLBody($message_body);
565
566      if ($attachment['data'])
567        $MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false);
568      else
569        $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true);
570    }
571    else {
572      $ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914
573      $file = $attachment['data'] ? $attachment['data'] : $attachment['path'];
574
575      // .eml attachments send inline
576      $MAIL_MIME->addAttachment($file,
577        $ctype,
578        $attachment['name'],
579        ($attachment['data'] ? false : true),
580        ($ctype == 'message/rfc822' ? '8bit' : 'base64'),
581        ($ctype == 'message/rfc822' ? 'inline' : 'attachment'),
582        '', '', '',
583        $CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
584        $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL,
585        '', RCMAIL_CHARSET
586      );
587    }
588  }
589}
590
591// choose transfer encoding for plain/text body
592if (preg_match('/[^\x00-\x7F]/', $MAIL_MIME->getTXTBody()))
593  $transfer_encoding = $RCMAIL->config->get('force_7bit') ? 'quoted-printable' : '8bit';
594else
595  $transfer_encoding = '7bit';
596
597// encoding settings for mail composing
598$MAIL_MIME->setParam('text_encoding', $transfer_encoding);
599$MAIL_MIME->setParam('html_encoding', 'quoted-printable');
600$MAIL_MIME->setParam('head_encoding', 'quoted-printable');
601$MAIL_MIME->setParam('head_charset', $message_charset);
602$MAIL_MIME->setParam('html_charset', $message_charset);
603$MAIL_MIME->setParam('text_charset', $message_charset . ($flowed ? ";\r\n format=flowed" : ''));
604
605// encoding subject header with mb_encode provides better results with asian characters
606if (function_exists('mb_encode_mimeheader')) {
607  mb_internal_encoding($message_charset);
608  $headers['Subject'] = mb_encode_mimeheader($headers['Subject'],
609    $message_charset, 'Q', "\r\n", 8);
610  mb_internal_encoding(RCMAIL_CHARSET);
611}
612
613// pass headers to message object
614$MAIL_MIME->headers($headers);
615
616// Begin SMTP Delivery Block
617if (!$savedraft)
618{
619  // check 'From' address (identity may be incomplete)
620  if (empty($from)) {
621    $OUTPUT->show_message('nofromaddress', 'error');
622    $OUTPUT->send('iframe');
623  }
624
625  // Handle Delivery Status Notification request
626  if (!empty($_POST['_dsn'])) {
627    $smtp_opts['dsn'] = true;
628  }
629
630  $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto,
631    $smtp_error, $mailbody_file, $smtp_opts);
632
633  // return to compose page if sending failed
634  if (!$sent)
635    {
636    // remove temp file
637    if ($mailbody_file) {
638      unlink($mailbody_file);
639      }
640
641    if ($smtp_error)
642      $OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']);
643    else
644      $OUTPUT->show_message('sendingfailed', 'error');
645    $OUTPUT->send('iframe');
646    }
647
648  // save message sent time
649  if (!empty($CONFIG['sendmail_delay']))
650    $RCMAIL->user->save_prefs(array('last_message_time' => time()));
651
652  // set replied/forwarded flag
653  if ($COMPOSE['reply_uid'])
654    $RCMAIL->storage->set_flag($COMPOSE['reply_uid'], 'ANSWERED', $COMPOSE['mailbox']);
655  else if ($COMPOSE['forward_uid'])
656    $RCMAIL->storage->set_flag($COMPOSE['forward_uid'], 'FORWARDED', $COMPOSE['mailbox']);
657
658} // End of SMTP Delivery Block
659
660
661// Determine which folder to save message
662if ($savedraft)
663  $store_target = $CONFIG['drafts_mbox'];
664else
665  $store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox'];
666
667if ($store_target) {
668  // check if folder is subscribed
669  if ($RCMAIL->storage->folder_exists($store_target, true))
670    $store_folder = true;
671  // folder may be existing but not subscribed (#1485241)
672  else if (!$RCMAIL->storage->folder_exists($store_target))
673    $store_folder = $RCMAIL->storage->create_folder($store_target, true);
674  else if ($RCMAIL->storage->subscribe($store_target))
675    $store_folder = true;
676
677  // append message to sent box
678  if ($store_folder) {
679    // message body in file
680    if ($mailbody_file || $MAIL_MIME->getParam('delay_file_io')) {
681      $headers = $MAIL_MIME->txtHeaders();
682
683      // file already created
684      if ($mailbody_file)
685        $msg = $mailbody_file;
686      else {
687        $temp_dir = $RCMAIL->config->get('temp_dir');
688        $mailbody_file = tempnam($temp_dir, 'rcmMsg');
689        if (!PEAR::isError($msg = $MAIL_MIME->saveMessageBody($mailbody_file)))
690          $msg = $mailbody_file;
691      }
692    }
693    else {
694      $msg = $MAIL_MIME->getMessage();
695      $headers = '';
696    }
697
698    if (PEAR::isError($msg))
699      raise_error(array('code' => 650, 'type' => 'php',
700            'file' => __FILE__, 'line' => __LINE__,
701            'message' => "Could not create message: ".$msg->getMessage()),
702            TRUE, FALSE);
703    else {
704      $saved = $RCMAIL->storage->save_message($store_target, $msg, $headers, $mailbody_file ? true : false);
705    }
706
707    if ($mailbody_file) {
708      unlink($mailbody_file);
709      $mailbody_file = null;
710    }
711  }
712
713  // raise error if saving failed
714  if (!$saved) {
715    raise_error(array('code' => 800, 'type' => 'imap',
716       'file' => __FILE__, 'line' => __LINE__,
717       'message' => "Could not save message in $store_target"), TRUE, FALSE);
718
719    if ($savedraft) {
720      $OUTPUT->show_message('errorsaving', 'error');
721      // start the auto-save timer again
722      $OUTPUT->command('auto_save_start');
723      $OUTPUT->send('iframe');
724    }
725  }
726
727  if ($olddraftmessageid) {
728    // delete previous saved draft
729    // @TODO: use message UID (remember to check UIDVALIDITY) to skip this SEARCH
730    $delete_idx = $RCMAIL->storage->search_once($CONFIG['drafts_mbox'],
731        'HEADER Message-ID '.$olddraftmessageid);
732
733    if ($del_uid = $delete_idx->get_element('FIRST')) {
734      $deleted = $RCMAIL->storage->delete_message($del_uid, $CONFIG['drafts_mbox']);
735
736      // raise error if deletion of old draft failed
737      if (!$deleted)
738        raise_error(array('code' => 800, 'type' => 'imap',
739          'file' => __FILE__, 'line' => __LINE__,
740          'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
741    }
742  }
743}
744// remove temp file
745else if ($mailbody_file) {
746  unlink($mailbody_file);
747}
748
749
750if ($savedraft) {
751  $msgid = strtr($message_id, array('>' => '', '<' => ''));
752
753  // remember new draft-uid ($saved could be an UID or TRUE here)
754  if (is_bool($saved)) {
755    $draft_idx = $RCMAIL->storage->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid);
756    $saved     = $draft_idx->get_element('FIRST');
757  }
758  $COMPOSE['param']['draft_uid'] = $saved;
759  $plugin = $RCMAIL->plugins->exec_hook('message_draftsaved', array('msgid' => $msgid, 'uid' => $saved, 'folder' => $store_target));
760
761  // display success
762  $OUTPUT->show_message($plugin['message'] ? $plugin['message'] : 'messagesaved', 'confirmation');
763
764  // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
765  $OUTPUT->command('set_draft_id', $msgid);
766  $OUTPUT->command('compose_field_hash', true);
767
768  // start the auto-save timer again
769  $OUTPUT->command('auto_save_start');
770
771  $OUTPUT->send('iframe');
772}
773else {
774  rcmail_compose_cleanup($COMPOSE_ID);
775
776  if ($store_folder && !$saved)
777    $OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
778  else
779    $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'));
780  $OUTPUT->send('iframe');
781}
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