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comparison program/steps/mail/sendmail.inc @ 0:4681f974d28b

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
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children aff04b06b685
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-1:000000000000 0:4681f974d28b
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) 2005-2013, 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 and send it or store as draft |
16 +-----------------------------------------------------------------------+
17 | Author: Thomas Bruederli <roundcube@gmail.com> |
18 +-----------------------------------------------------------------------+
19 */
20
21 // remove all scripts and act as called in frame
22 $OUTPUT->reset();
23 $OUTPUT->framed = TRUE;
24
25 $saveonly = !empty($_GET['_saveonly']);
26 $savedraft = !empty($_POST['_draft']) && !$saveonly;
27 $sendmail_delay = (int) $RCMAIL->config->get('sendmail_delay');
28 $drafts_mbox = $RCMAIL->config->get('drafts_mbox');
29
30 $COMPOSE_ID = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GPC);
31 $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];
32
33 /****** checks ********/
34
35 if (!isset($COMPOSE['id'])) {
36 rcube::raise_error(array('code' => 500, 'type' => 'php',
37 'file' => __FILE__, 'line' => __LINE__,
38 'message' => "Invalid compose ID"), true, false);
39
40 $OUTPUT->show_message('internalerror', 'error');
41 $OUTPUT->send('iframe');
42 }
43
44 if (!$savedraft) {
45 if (empty($_POST['_to']) && empty($_POST['_cc']) && empty($_POST['_bcc']) && $_POST['_message']) {
46 $OUTPUT->show_message('sendingfailed', 'error');
47 $OUTPUT->send('iframe');
48 }
49
50 if ($sendmail_delay) {
51 $wait_sec = time() - $sendmail_delay - intval($RCMAIL->config->get('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 /****** compose message ********/
61
62 // set default charset
63 $message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $OUTPUT->get_charset();
64
65 $EMAIL_FORMAT_ERROR = NULL;
66 $RECIPIENT_COUNT = 0;
67
68 $mailto = rcmail_email_input_format(rcube_utils::get_input_value('_to', rcube_utils::INPUT_POST, TRUE, $message_charset), true);
69 $mailcc = rcmail_email_input_format(rcube_utils::get_input_value('_cc', rcube_utils::INPUT_POST, TRUE, $message_charset), true);
70 $mailbcc = rcmail_email_input_format(rcube_utils::get_input_value('_bcc', rcube_utils::INPUT_POST, TRUE, $message_charset), true);
71
72 if ($EMAIL_FORMAT_ERROR && !$savedraft) {
73 $OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR));
74 $OUTPUT->send('iframe');
75 }
76
77 if (empty($mailto) && !empty($mailcc)) {
78 $mailto = $mailcc;
79 $mailcc = null;
80 }
81 else if (empty($mailto)) {
82 $mailto = 'undisclosed-recipients:;';
83 }
84
85 // Get sender name and address...
86 $from = rcube_utils::get_input_value('_from', rcube_utils::INPUT_POST, true, $message_charset);
87 // ... from identity...
88 if (is_numeric($from)) {
89 if (is_array($identity_arr = rcmail_get_identity($from))) {
90 if ($identity_arr['mailto'])
91 $from = $identity_arr['mailto'];
92 if ($identity_arr['string'])
93 $from_string = $identity_arr['string'];
94 }
95 else {
96 $from = null;
97 }
98 }
99 // ... if there is no identity record, this might be a custom from
100 else if (($from_string = rcmail_email_input_format($from))
101 && preg_match('/(\S+@\S+)/', $from_string, $m)
102 ) {
103 $from = trim($m[1], '<>');
104 }
105 // ... otherwise it's empty or invalid
106 else {
107 $from = null;
108 }
109
110 // check 'From' address (identity may be incomplete)
111 if (!$savedraft && !$saveonly && empty($from)) {
112 $OUTPUT->show_message('nofromaddress', 'error');
113 $OUTPUT->send('iframe');
114 }
115
116 if (!$from_string && $from) {
117 $from_string = $from;
118 }
119
120 if (empty($COMPOSE['param']['message-id'])) {
121 $COMPOSE['param']['message-id'] = $RCMAIL->gen_message_id($from);
122 }
123 $message_id = $COMPOSE['param']['message-id'];
124
125 // compose headers array
126 $headers = array();
127
128 // if configured, the Received headers goes to top, for good measure
129 if ($RCMAIL->config->get('http_received_header')) {
130 $nldlm = "\r\n\t";
131 $http_header = 'from ';
132
133 // FROM/VIA
134 if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
135 $hosts = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'], 2);
136 $http_header .= rcmail_received_host($hosts[0]) . $nldlm . ' via ';
137 }
138
139 $http_header .= rcmail_received_host($_SERVER['REMOTE_ADDR']);
140
141 // BY
142 $http_header .= $nldlm . 'by ' . $_SERVER['HTTP_HOST'];
143
144 // WITH
145 $http_header .= $nldlm . 'with HTTP (' . $_SERVER['SERVER_PROTOCOL']
146 . ' ' . $_SERVER['REQUEST_METHOD'] . '); ' . date('r');
147
148 $headers['Received'] = wordwrap($http_header, 69, $nldlm);
149 }
150
151 $headers['Date'] = $RCMAIL->user_date();
152 $headers['From'] = rcube_charset::convert($from_string, RCUBE_CHARSET, $message_charset);
153 $headers['To'] = $mailto;
154
155 // additional recipients
156 if (!empty($mailcc)) {
157 $headers['Cc'] = $mailcc;
158 }
159 if (!empty($mailbcc)) {
160 $headers['Bcc'] = $mailbcc;
161 }
162
163 if (($max_recipients = (int) $RCMAIL->config->get('max_recipients')) > 0) {
164 if ($RECIPIENT_COUNT > $max_recipients) {
165 $OUTPUT->show_message('toomanyrecipients', 'error', array('max' => $max_recipients));
166 $OUTPUT->send('iframe');
167 }
168 }
169
170 $dont_override = (array) $RCMAIL->config->get('dont_override');
171 $mdn_enabled = in_array('mdn_default', $dont_override) ? $RCMAIL->config->get('mdn_default') : !empty($_POST['_mdn']);
172 $dsn_enabled = in_array('dsn_default', $dont_override) ? $RCMAIL->config->get('dsn_default') : !empty($_POST['_dsn']);
173 $subject = trim(rcube_utils::get_input_value('_subject', rcube_utils::INPUT_POST, TRUE, $message_charset));
174
175 if (strlen($subject)) {
176 $headers['Subject'] = $subject;
177 }
178 if (!empty($identity_arr['organization'])) {
179 $headers['Organization'] = $identity_arr['organization'];
180 }
181 if ($hdr = rcube_utils::get_input_value('_replyto', rcube_utils::INPUT_POST, TRUE, $message_charset)) {
182 $headers['Reply-To'] = rcmail_email_input_format($hdr);
183 }
184 if (!empty($headers['Reply-To'])) {
185 $headers['Mail-Reply-To'] = $headers['Reply-To'];
186 }
187 if ($hdr = rcube_utils::get_input_value('_followupto', rcube_utils::INPUT_POST, TRUE, $message_charset)) {
188 $headers['Mail-Followup-To'] = rcmail_email_input_format($hdr);
189 }
190
191 // remember reply/forward UIDs in special headers
192 if ($savedraft) {
193 // Note: We ignore <UID>.<PART> forwards/replies here
194 if (($uid = $COMPOSE['reply_uid']) && !preg_match('/^\d+\.[0-9.]+$/', $uid)) {
195 $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $uid);
196 }
197 else if (!empty($COMPOSE['forward_uid'])
198 && ($uid = rcube_imap_generic::compressMessageSet($COMPOSE['forward_uid']))
199 && !preg_match('/^\d+[0-9.]+$/', $uid)
200 ) {
201 $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $uid);
202 }
203 }
204
205 if (!empty($COMPOSE['reply_msgid'])) {
206 $headers['In-Reply-To'] = $COMPOSE['reply_msgid'];
207 }
208 if (!empty($COMPOSE['references'])) {
209 $headers['References'] = $COMPOSE['references'];
210 }
211
212 if (!empty($_POST['_priority'])) {
213 $priority = intval($_POST['_priority']);
214 $a_priorities = array(1 => 'highest', 2 => 'high', 4 => 'low', 5 => 'lowest');
215
216 if ($str_priority = $a_priorities[$priority]) {
217 $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
218 }
219 }
220
221 if ($mdn_enabled) {
222 $headers['Return-Receipt-To'] = $from_string;
223 $headers['Disposition-Notification-To'] = $from_string;
224 }
225
226 // additional headers
227 $headers['Message-ID'] = $message_id;
228 $headers['X-Sender'] = $from;
229
230 if (is_array($headers['X-Draft-Info'])) {
231 $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $COMPOSE['mailbox']));
232 }
233 if ($hdr = $RCMAIL->config->get('useragent')) {
234 $headers['User-Agent'] = $hdr;
235 }
236
237 // exec hook for header checking and manipulation
238 // Depracated: use message_before_send hook instead
239 $data = $RCMAIL->plugins->exec_hook('message_outgoing_headers', array('headers' => $headers));
240
241 // sending aborted by plugin
242 if ($data['abort'] && !$savedraft) {
243 $OUTPUT->show_message($data['message'] ?: 'sendingfailed');
244 $OUTPUT->send('iframe');
245 }
246 else {
247 $headers = $data['headers'];
248 }
249
250 $isHtml = (bool) rcube_utils::get_input_value('_is_html', rcube_utils::INPUT_POST);
251
252 // fetch message body
253 $message_body = rcube_utils::get_input_value('_message', rcube_utils::INPUT_POST, TRUE, $message_charset);
254
255 if (isset($_POST['_pgpmime'])) {
256 $pgp_mime = rcube_utils::get_input_value('_pgpmime', rcube_utils::INPUT_POST);
257 $isHtml = false;
258 $message_body = '';
259
260 // clear unencrypted attachments
261 foreach ((array) $COMPOSE['attachments'] as $attach) {
262 $RCMAIL->plugins->exec_hook('attachment_delete', $attach);
263 }
264
265 $COMPOSE['attachments'] = array();
266 }
267
268 if ($isHtml) {
269 $bstyle = array();
270
271 if ($font_size = $RCMAIL->config->get('default_font_size')) {
272 $bstyle[] = 'font-size: ' . $font_size;
273 }
274 if ($font_family = $RCMAIL->config->get('default_font')) {
275 $bstyle[] = 'font-family: ' . rcmail::font_defs($font_family);
276 }
277
278 // append doctype and html/body wrappers
279 $bstyle = !empty($bstyle) ? (" style='" . implode($bstyle, '; ') . "'") : '';
280 $message_body = '<html><head>'
281 . '<meta http-equiv="Content-Type" content="text/html; charset=' . $message_charset . '" /></head>'
282 . "<body" . $bstyle . ">\r\n" . $message_body;
283 }
284
285 if (!$savedraft) {
286 if ($isHtml) {
287 $b_style = 'padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0';
288 $pre_style = 'margin: 0; padding: 0; font-family: monospace';
289
290 $message_body = preg_replace(
291 array(
292 // remove empty signature div
293 '/<div id="_rc_sig">(&nbsp;)?<\/div>[\s\r\n]*$/',
294 // remove signature's div ID
295 '/\s*id="_rc_sig"/',
296 // add inline css for blockquotes and container
297 '/<blockquote>/',
298 '/<div class="pre">/',
299 // convert TinyMCE's new-line sequences (#1490463)
300 '/<p>&nbsp;<\/p>/',
301 ),
302 array(
303 '',
304 '',
305 '<blockquote type="cite" style="'.$b_style.'">',
306 '<div class="pre" style="'.$pre_style.'">',
307 '<p><br /></p>',
308 ),
309 $message_body);
310 }
311
312 // Check spelling before send
313 if ($RCMAIL->config->get('spellcheck_before_send') && $RCMAIL->config->get('enable_spellcheck')
314 && empty($COMPOSE['spell_checked']) && !empty($message_body)
315 ) {
316 $message_body = str_replace("\r\n", "\n", $message_body);
317 $spellchecker = new rcube_spellchecker(rcube_utils::get_input_value('_lang', rcube_utils::INPUT_GPC));
318 $spell_result = $spellchecker->check($message_body, $isHtml);
319
320 $COMPOSE['spell_checked'] = true;
321
322 if (!$spell_result) {
323 if ($isHtml) {
324 $result['words'] = $spellchecker->get();
325 $result['dictionary'] = (bool) $RCMAIL->config->get('spellcheck_dictionary');
326 }
327 else {
328 $result = $spellchecker->get_xml();
329 }
330
331 $OUTPUT->show_message('mispellingsfound', 'error');
332 $OUTPUT->command('spellcheck_resume', $result);
333 $OUTPUT->send('iframe');
334 }
335 }
336
337 // generic footer for all messages
338 if ($footer = rcmail_generic_message_footer($isHtml)) {
339 $footer = rcube_charset::convert($footer, RCUBE_CHARSET, $message_charset);
340 $message_body .= "\r\n" . $footer;
341 }
342 }
343
344 if ($isHtml) {
345 $message_body .= "\r\n</body></html>\r\n";
346 }
347
348 // sort attachments to make sure the order is the same as in the UI (#1488423)
349 if ($files = rcube_utils::get_input_value('_attachments', rcube_utils::INPUT_POST)) {
350 $files = explode(',', $files);
351 $files = array_flip($files);
352 foreach ($files as $idx => $val) {
353 $files[$idx] = $COMPOSE['attachments'][$idx];
354 unset($COMPOSE['attachments'][$idx]);
355 }
356
357 $COMPOSE['attachments'] = array_merge(array_filter($files), $COMPOSE['attachments']);
358 }
359
360 // set line length for body wrapping
361 $LINE_LENGTH = $RCMAIL->config->get('line_length', 72);
362
363 // Since we can handle big messages with disk usage, we need more time to work
364 @set_time_limit(0);
365
366 // create PEAR::Mail_mime instance
367 $MAIL_MIME = new Mail_mime("\r\n");
368
369 // Check if we have enough memory to handle the message in it
370 // It's faster than using files, so we'll do this if we only can
371 if (is_array($COMPOSE['attachments']) && ($mem_limit = parse_bytes(ini_get('memory_limit')))) {
372 $memory = 0;
373 foreach ($COMPOSE['attachments'] as $id => $attachment) {
374 $memory += $attachment['size'];
375 }
376
377 // Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64
378 if (!rcube_utils::mem_check($memory * 1.33 * 12)) {
379 $MAIL_MIME->setParam('delay_file_io', true);
380 }
381 }
382
383 // For HTML-formatted messages, construct the MIME message with both
384 // the HTML part and the plain-text part
385 if ($isHtml) {
386 $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
387 array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME));
388
389 $MAIL_MIME->setHTMLBody($plugin['body']);
390
391 $plainTextPart = $RCMAIL->html2text($plugin['body'], array('width' => 0, 'charset' => $message_charset));
392 $plainTextPart = rcube_mime::wordwrap($plainTextPart, $LINE_LENGTH, "\r\n", false, $message_charset);
393 $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
394
395 // There's no sense to use multipart/alternative if the text/plain
396 // part would be blank. Completely blank text/plain part may confuse
397 // some mail clients (#5283)
398 if (strlen(trim($plainTextPart)) > 0) {
399 // make sure all line endings are CRLF (#1486712)
400 $plainTextPart = preg_replace('/\r?\n/', "\r\n", $plainTextPart);
401
402 $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
403 array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME));
404
405 // add a plain text version of the e-mail as an alternative part.
406 $MAIL_MIME->setTXTBody($plugin['body']);
407 }
408
409 // Extract image Data URIs into message attachments (#1488502)
410 rcmail_extract_inline_images($MAIL_MIME, $from);
411 }
412 else {
413 $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
414 array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME));
415
416 $message_body = $plugin['body'];
417
418 // compose format=flowed content if enabled
419 if ($flowed = ($savedraft || $RCMAIL->config->get('send_format_flowed', true)))
420 $message_body = rcube_mime::format_flowed($message_body, min($LINE_LENGTH+2, 79), $message_charset);
421 else
422 $message_body = rcube_mime::wordwrap($message_body, $LINE_LENGTH, "\r\n", false, $message_charset);
423
424 $message_body = wordwrap($message_body, 998, "\r\n", true);
425
426 $MAIL_MIME->setTXTBody($message_body, false, true);
427 }
428
429 // add stored attachments, if any
430 if (is_array($COMPOSE['attachments'])) {
431 foreach ($COMPOSE['attachments'] as $id => $attachment) {
432 // This hook retrieves the attachment contents from the file storage backend
433 $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment);
434
435 if ($isHtml) {
436 $dispurl = '/[\'"]\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\'"]/';
437 $message_body = $MAIL_MIME->getHTMLBody();
438 $is_inline = preg_match($dispurl, $message_body);
439 }
440 else {
441 $is_inline = false;
442 }
443
444 // inline image
445 if ($is_inline) {
446 // Mail_Mime does not support many inline attachments with the same name (#1489406)
447 // we'll generate cid: urls here to workaround this
448 $cid = preg_replace('/[^0-9a-zA-Z]/', '', uniqid(time(), true));
449 if (preg_match('#(@[0-9a-zA-Z\-\.]+)#', $from, $matches)) {
450 $cid .= $matches[1];
451 }
452 else {
453 $cid .= '@localhost';
454 }
455
456 $message_body = preg_replace($dispurl, '"cid:' . $cid . '"', $message_body);
457
458 $MAIL_MIME->setHTMLBody($message_body);
459
460 if ($attachment['data'])
461 $MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false, $cid);
462 else
463 $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true, $cid);
464 }
465 else {
466 $ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914
467 $file = $attachment['data'] ?: $attachment['path'];
468 $folding = (int) $RCMAIL->config->get('mime_param_folding');
469
470 $MAIL_MIME->addAttachment($file,
471 $ctype,
472 $attachment['name'],
473 $attachment['data'] ? false : true,
474 $ctype == 'message/rfc822' ? '8bit' : 'base64',
475 'attachment',
476 $attachment['charset'],
477 '', '',
478 $folding ? 'quoted-printable' : NULL,
479 $folding == 2 ? 'quoted-printable' : NULL,
480 '', RCUBE_CHARSET
481 );
482 }
483 }
484 }
485
486 // choose transfer encoding for plain/text body
487 if (preg_match('/[^\x00-\x7F]/', $MAIL_MIME->getTXTBody())) {
488 $text_charset = $message_charset;
489 $transfer_encoding = $RCMAIL->config->get('force_7bit') ? 'quoted-printable' : '8bit';
490 }
491 else {
492 $text_charset = 'US-ASCII';
493 $transfer_encoding = '7bit';
494 }
495
496 if ($flowed) {
497 $text_charset .= ";\r\n format=flowed";
498 }
499
500 // compose PGP/Mime message
501 if ($pgp_mime) {
502 $MAIL_MIME->addAttachment(new Mail_mimePart('Version: 1', array(
503 'content_type' => 'application/pgp-encrypted',
504 'description' => 'PGP/MIME version identification',
505 )));
506
507 $MAIL_MIME->addAttachment(new Mail_mimePart($pgp_mime, array(
508 'content_type' => 'application/octet-stream',
509 'filename' => 'encrypted.asc',
510 'disposition' => 'inline',
511 )));
512
513 $MAIL_MIME->setContentType('multipart/encrypted', array('protocol' => 'application/pgp-encrypted'));
514 $MAIL_MIME->setParam('preamble', 'This is an OpenPGP/MIME encrypted message (RFC 2440 and 3156)');
515 }
516
517 // encoding settings for mail composing
518 $MAIL_MIME->setParam('text_encoding', $transfer_encoding);
519 $MAIL_MIME->setParam('html_encoding', 'quoted-printable');
520 $MAIL_MIME->setParam('head_encoding', 'quoted-printable');
521 $MAIL_MIME->setParam('head_charset', $message_charset);
522 $MAIL_MIME->setParam('html_charset', $message_charset);
523 $MAIL_MIME->setParam('text_charset', $text_charset);
524
525 // pass headers to message object
526 $MAIL_MIME->headers($headers);
527
528 // This hook allows to modify the message before send or save action
529 $plugin = $RCMAIL->plugins->exec_hook('message_ready', array('message' => $MAIL_MIME));
530 $MAIL_MIME = $plugin['message'];
531
532 // Begin SMTP Delivery Block
533 if (!$savedraft && !$saveonly) {
534 // Handle Delivery Status Notification request
535 $smtp_opts['dsn'] = $dsn_enabled;
536
537 $sent = $RCMAIL->deliver_message($MAIL_MIME, $from, $mailto,
538 $smtp_error, $mailbody_file, $smtp_opts, true);
539
540 // return to compose page if sending failed
541 if (!$sent) {
542 // remove temp file
543 if ($mailbody_file) {
544 unlink($mailbody_file);
545 }
546
547 if ($smtp_error && is_string($smtp_error)) {
548 $OUTPUT->show_message($smtp_error, 'error');
549 }
550 else if ($smtp_error && !empty($smtp_error['label'])) {
551 $OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']);
552 }
553 else {
554 $OUTPUT->show_message('sendingfailed', 'error');
555 }
556
557 $OUTPUT->send('iframe');
558 }
559
560 // save message sent time
561 if ($sendmail_delay) {
562 $RCMAIL->user->save_prefs(array('last_message_time' => time()));
563 }
564
565 // set replied/forwarded flag
566 if ($COMPOSE['reply_uid']) {
567 foreach (rcmail::get_uids($COMPOSE['reply_uid'], $COMPOSE['mailbox']) as $mbox => $uids) {
568 // skip <UID>.<PART> replies
569 if (!preg_match('/^\d+\.[0-9.]+$/', implode(',', (array) $uids))) {
570 $RCMAIL->storage->set_flag($uids, 'ANSWERED', $mbox);
571 }
572 }
573 }
574 else if ($COMPOSE['forward_uid']) {
575 foreach (rcmail::get_uids($COMPOSE['forward_uid'], $COMPOSE['mailbox']) as $mbox => $uids) {
576 // skip <UID>.<PART> forwards
577 if (!preg_match('/^\d+\.[0-9.]+$/', implode(',', (array) $uids))) {
578 $RCMAIL->storage->set_flag($uids, 'FORWARDED', $mbox);
579 }
580 }
581 }
582 }
583
584 // Determine which folder to save message
585 if ($savedraft) {
586 $store_target = $drafts_mbox;
587 }
588 else if (!$RCMAIL->config->get('no_save_sent_messages')) {
589 if (isset($_POST['_store_target'])) {
590 $store_target = rcube_utils::get_input_value('_store_target', rcube_utils::INPUT_POST);
591 }
592 else {
593 $store_target = $RCMAIL->config->get('sent_mbox');
594 }
595 }
596
597 if ($store_target) {
598 // check if folder is subscribed
599 if ($RCMAIL->storage->folder_exists($store_target, true)) {
600 $store_folder = true;
601 }
602 // folder may be existing but not subscribed (#1485241)
603 else if (!$RCMAIL->storage->folder_exists($store_target)) {
604 $store_folder = $RCMAIL->storage->create_folder($store_target, true);
605 }
606 else if ($RCMAIL->storage->subscribe($store_target)) {
607 $store_folder = true;
608 }
609
610 // append message to sent box
611 if ($store_folder) {
612 // message body in file
613 if ($mailbody_file || $MAIL_MIME->getParam('delay_file_io')) {
614 $headers = $MAIL_MIME->txtHeaders();
615
616 // file already created
617 if ($mailbody_file) {
618 $msg = $mailbody_file;
619 }
620 else {
621 $temp_dir = $RCMAIL->config->get('temp_dir');
622 $mailbody_file = tempnam($temp_dir, 'rcmMsg');
623 $msg = $MAIL_MIME->saveMessageBody($mailbody_file);
624
625 if (!is_a($msg, 'PEAR_Error')) {
626 $msg = $mailbody_file;
627 }
628 }
629 }
630 else {
631 $msg = $MAIL_MIME->getMessage();
632 $headers = '';
633 }
634
635 if (is_a($msg, 'PEAR_Error')) {
636 rcube::raise_error(array('code' => 650, 'type' => 'php',
637 'file' => __FILE__, 'line' => __LINE__,
638 'message' => "Could not create message: ".$msg->getMessage()),
639 true, false);
640 }
641 else {
642 $saved = $RCMAIL->storage->save_message($store_target, $msg, $headers,
643 $mailbody_file ? true : false, array('SEEN'));
644 }
645
646 if ($mailbody_file) {
647 unlink($mailbody_file);
648 $mailbody_file = null;
649 }
650 }
651
652 // raise error if saving failed
653 if (!$saved) {
654 rcube::raise_error(array('code' => 800, 'type' => 'imap',
655 'file' => __FILE__, 'line' => __LINE__,
656 'message' => "Could not save message in $store_target"), true, false);
657
658 if ($savedraft) {
659 $RCMAIL->display_server_error('errorsaving');
660
661 // start the auto-save timer again
662 $OUTPUT->command('auto_save_start');
663 $OUTPUT->send('iframe');
664 }
665 }
666 }
667 // remove temp file
668 else if ($mailbody_file) {
669 unlink($mailbody_file);
670 }
671
672 // delete previous saved draft
673 $old_id = rcube_utils::get_input_value('_draft_saveid', rcube_utils::INPUT_POST);
674 if ($old_id && ($sent || $saved)) {
675 $deleted = $RCMAIL->storage->delete_message($old_id, $drafts_mbox);
676
677 // raise error if deletion of old draft failed
678 if (!$deleted) {
679 rcube::raise_error(array('code' => 800, 'type' => 'imap',
680 'file' => __FILE__, 'line' => __LINE__,
681 'message' => "Could not delete message from $drafts_mbox"), true, false);
682 }
683 }
684
685 if ($savedraft) {
686 // remember new draft-uid ($saved could be an UID or true/false here)
687 if ($saved && is_bool($saved)) {
688 $index = $RCMAIL->storage->search_once($drafts_mbox, 'HEADER Message-ID ' . $message_id);
689 $saved = @max($index->get());
690 }
691
692 if ($saved) {
693 $plugin = $RCMAIL->plugins->exec_hook('message_draftsaved',
694 array('msgid' => $message_id, 'uid' => $saved, 'folder' => $store_target));
695
696 // display success
697 $OUTPUT->show_message($plugin['message'] ?: 'messagesaved', 'confirmation');
698
699 // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
700 $COMPOSE['param']['draft_uid'] = $plugin['uid'];
701 $OUTPUT->command('set_draft_id', $plugin['uid']);
702 $OUTPUT->command('compose_field_hash', true);
703 }
704
705 // start the auto-save timer again
706 $OUTPUT->command('auto_save_start');
707 }
708 else {
709 // Collect folders which could contain the composed message,
710 // we'll refresh the list if currently opened folder is one of them (#1490238)
711 $folders = array();
712
713 if (!$saveonly) {
714 if (in_array($COMPOSE['mode'], array('reply', 'forward', 'draft'))) {
715 $folders[] = $COMPOSE['mailbox'];
716 }
717 if (!empty($COMPOSE['param']['draft_uid']) && $drafts_mbox) {
718 $folders[] = $drafts_mbox;
719 }
720 }
721
722 if ($store_folder && !$saved) {
723 $params = $saveonly ? null : array('prefix' => true);
724 $RCMAIL->display_server_error('errorsavingsent', null, null, $params);
725 if ($saveonly) {
726 $OUTPUT->send('iframe');
727 }
728
729 $save_error = true;
730 }
731 else {
732 rcmail_compose_cleanup($COMPOSE_ID);
733 $OUTPUT->command('remove_compose_data', $COMPOSE_ID);
734
735 if ($store_folder) {
736 $folders[] = $store_target;
737 }
738 }
739
740 $msg = $RCMAIL->gettext($saveonly ? 'successfullysaved' : 'messagesent');
741
742 $OUTPUT->command('sent_successfully', 'confirmation', $msg, $folders, $save_error);
743 }
744
745 $OUTPUT->send('iframe');
746
747
748 /****** message sending functions ********/
749
750 function rcmail_received_host($host)
751 {
752 $hostname = gethostbyaddr($host);
753
754 $result = rcmail_encrypt_host($hostname);
755
756 if ($host != $hostname) {
757 $result .= ' (' . rcmail_encrypt_host($host) . ')';
758 }
759
760 return $result;
761 }
762
763 // encrypt host IP or hostname for Received header
764 function rcmail_encrypt_host($host)
765 {
766 global $RCMAIL;
767
768 if ($RCMAIL->config->get('http_received_header_encrypt')) {
769 return $RCMAIL->encrypt($host);
770 }
771
772 if (!preg_match('/[^0-9:.]/', $host)) {
773 return "[$host]";
774 }
775
776 return $host;
777 }
778
779 // get identity record
780 function rcmail_get_identity($id)
781 {
782 global $RCMAIL, $message_charset;
783
784 if ($sql_arr = $RCMAIL->user->get_identity($id)) {
785 $out = $sql_arr;
786
787 if ($message_charset != RCUBE_CHARSET) {
788 foreach ($out as $k => $v) {
789 $out[$k] = rcube_charset::convert($v, RCUBE_CHARSET, $message_charset);
790 }
791 }
792
793 $out['mailto'] = $sql_arr['email'];
794 $out['string'] = format_email_recipient($sql_arr['email'], $sql_arr['name']);
795
796 return $out;
797 }
798
799 return false;
800 }
801
802 /**
803 * Extract image attachments from HTML content (data URIs)
804 */
805 function rcmail_extract_inline_images($mime_message, $from)
806 {
807 $body = $mime_message->getHTMLBody();
808 $offset = 0;
809 $list = array();
810 $domain = 'localhost';
811 $regexp = '#img[^>]+src=[\'"](data:([^;]*);base64,([a-z0-9+/=\r\n]+))([\'"])#i';
812
813 if (preg_match_all($regexp, $body, $matches, PREG_OFFSET_CAPTURE)) {
814 // get domain for the Content-ID, must be the same as in Mail_Mime::get()
815 if (preg_match('#@([0-9a-zA-Z\-\.]+)#', $from, $m)) {
816 $domain = $m[1];
817 }
818
819 foreach ($matches[1] as $idx => $m) {
820 $data = preg_replace('/\r\n/', '', $matches[3][$idx][0]);
821 $data = base64_decode($data);
822
823 if (empty($data)) {
824 continue;
825 }
826
827 $hash = md5($data) . '@' . $domain;
828 $mime_type = $matches[2][$idx][0];
829 $name = $list[$hash];
830
831 if (empty($mime_type)) {
832 $mime_type = rcube_mime::image_content_type($data);
833 }
834
835 // add the image to the MIME message
836 if (!$name) {
837 $ext = preg_replace('#^[^/]+/#', '', $mime_type);
838 $name = substr($hash, 0, 8) . '.' . $ext;
839 $list[$hash] = $name;
840
841 $mime_message->addHTMLImage($data, $mime_type, $name, false, $hash);
842 }
843
844 $body = substr_replace($body, $name, $m[1] + $offset, strlen($m[0]));
845 $offset += strlen($name) - strlen($m[0]);
846 }
847 }
848
849 $mime_message->setHTMLBody($body);
850 }
851
852 /**
853 * Parse and cleanup email address input (and count addresses)
854 *
855 * @param string Address input
856 * @param boolean Do count recipients (saved in global $RECIPIENT_COUNT)
857 * @param boolean Validate addresses (errors saved in global $EMAIL_FORMAT_ERROR)
858 * @return string Canonical recipients string separated by comma
859 */
860 function rcmail_email_input_format($mailto, $count=false, $check=true)
861 {
862 global $RCMAIL, $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT;
863
864 // simplified email regexp, supporting quoted local part
865 $email_regexp = '(\S+|("[^"]+"))@\S+';
866
867 $delim = trim($RCMAIL->config->get('recipients_separator', ','));
868 $regexp = array("/[,;$delim]\s*[\r\n]+/", '/[\r\n]+/', "/[,;$delim]\s*\$/m", '/;/', '/(\S{1})(<'.$email_regexp.'>)/U');
869 $replace = array($delim.' ', ', ', '', $delim, '\\1 \\2');
870
871 // replace new lines and strip ending ', ', make address input more valid
872 $mailto = trim(preg_replace($regexp, $replace, $mailto));
873 $items = rcube_utils::explode_quoted_string($delim, $mailto);
874 $result = array();
875
876 foreach ($items as $item) {
877 $item = trim($item);
878 // address in brackets without name (do nothing)
879 if (preg_match('/^<'.$email_regexp.'>$/', $item)) {
880 $item = rcube_utils::idn_to_ascii(trim($item, '<>'));
881 $result[] = $item;
882 }
883 // address without brackets and without name (add brackets)
884 else if (preg_match('/^'.$email_regexp.'$/', $item)) {
885 $item = rcube_utils::idn_to_ascii($item);
886 $result[] = $item;
887 }
888 // address with name (handle name)
889 else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) {
890 $address = $matches[0];
891 $name = trim(str_replace($address, '', $item));
892 if ($name[0] == '"' && $name[count($name)-1] == '"') {
893 $name = substr($name, 1, -1);
894 }
895 $name = stripcslashes($name);
896 $address = rcube_utils::idn_to_ascii(trim($address, '<>'));
897 $result[] = format_email_recipient($address, $name);
898 $item = $address;
899 }
900
901 // check address format
902 $item = trim($item, '<>');
903 if ($item && $check && !rcube_utils::check_email($item)) {
904 $EMAIL_FORMAT_ERROR = $item;
905 return;
906 }
907 }
908
909 if ($count) {
910 $RECIPIENT_COUNT += count($result);
911 }
912
913 return implode(', ', $result);
914 }
915
916
917 function rcmail_generic_message_footer($isHtml)
918 {
919 global $RCMAIL;
920
921 if ($isHtml && ($file = $RCMAIL->config->get('generic_message_footer_html'))) {
922 $html_footer = true;
923 }
924 else {
925 $file = $RCMAIL->config->get('generic_message_footer');
926 $html_footer = false;
927 }
928
929 if ($file && realpath($file)) {
930 // sanity check
931 if (!preg_match('/\.(php|ini|conf)$/', $file) && strpos($file, '/etc/') === false) {
932 $footer = file_get_contents($file);
933 if ($isHtml && !$html_footer) {
934 $t2h = new rcube_text2html($footer, false);
935 $footer = $t2h->get_html();
936 }
937 return $footer;
938 }
939 }
940
941 return false;
942 }
943
944 /**
945 * clear message composing settings
946 */
947 function rcmail_compose_cleanup($id)
948 {
949 if (!isset($_SESSION['compose_data_'.$id])) {
950 return;
951 }
952
953 $rcmail = rcmail::get_instance();
954 $rcmail->plugins->exec_hook('attachments_cleanup', array('group' => $id));
955 $rcmail->session->remove('compose_data_'.$id);
956
957 $_SESSION['last_compose_session'] = $id;
958 }