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sendmail.inc
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sendmail.inc
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<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/sendmail.inc |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2009, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Compose a new mail message with all headers and attachments |
| and send it using the PEAR::Net_SMTP class or with PHP mail() |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
// remove all scripts and act as called in frame
$OUTPUT->reset();
$OUTPUT->framed = TRUE;
$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
/****** checks ********/
if (!isset($_SESSION['compose']['id'])) {
raise_error(array('code' => 500, 'type' => 'smtp', 'file' => __FILE__, 'message' => "Invalid compose ID"), true, false);
console("Sendmail error", $_SESSION['compose']);
$OUTPUT->show_message("An internal error occured. Please try again.", 'error');
$OUTPUT->send('iframe');
}
if (!$savedraft) {
if (empty($_POST['_to']) && empty($_POST['_cc']) && empty($_POST['_bcc'])
&& empty($_POST['_subject']) && $_POST['_message']) {
$OUTPUT->show_message('sendingfailed', 'error');
$OUTPUT->send('iframe');
}
if(!empty($CONFIG['sendmail_delay'])) {
$wait_sec = time() - intval($CONFIG['sendmail_delay']) - intval($CONFIG['last_message_time']);
if($wait_sec < 0) {
$OUTPUT->show_message('senttooquickly', 'error', array('sec' => $wait_sec * -1));
$OUTPUT->send('iframe');
}
}
}
/****** message sending functions ********/
// encrypt parts of the header
function rcmail_encrypt_header($what)
{
global $CONFIG, $RCMAIL;
if (!$CONFIG['http_received_header_encrypt'])
{
return $what;
}
return $RCMAIL->encrypt($what);
}
// get identity record
function rcmail_get_identity($id)
{
global $USER, $OUTPUT;
if ($sql_arr = $USER->get_identity($id))
{
$out = $sql_arr;
$out['mailto'] = $sql_arr['email'];
// Special chars as defined by RFC 822 need to in quoted string (or escaped).
if (preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $sql_arr['name']))
$name = '"' . addcslashes($sql_arr['name'], '"') . '"';
else
$name = $sql_arr['name'];
$out['string'] = rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset());
if ($sql_arr['email'])
$out['string'] .= ' <' . $sql_arr['email'] . '>';
return $out;
}
return FALSE;
}
/**
* go from this:
* <img src=".../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
*
* to this:
*
* <IMG src="cid:smiley-cool.gif"/>
* ...
* ------part...
* Content-Type: image/gif
* Content-Transfer-Encoding: base64
* Content-ID: <smiley-cool.gif>
*/
function rcmail_attach_emoticons(&$mime_message)
{
global $CONFIG;
$body = $mime_message->getHtmlBody();
// remove any null-byte characters before parsing
$body = preg_replace('/\x00/', '', $body);
$searchstr = 'program/js/tiny_mce/plugins/emotions/img/';
$offset = 0;
// keep track of added images, so they're only added once
$included_images = array();
if (preg_match_all('# src=[\'"]([^\'"]+)#', $body, $matches, PREG_OFFSET_CAPTURE)) {
foreach ($matches[1] as $m) {
// find emoticon image tags
if (preg_match('#'.$searchstr.'(.*)$#', $m[0], $imatches)) {
$image_name = $imatches[1];
// sanitize image name so resulting attachment doesn't leave images dir
$image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i', '', $image_name);
$img_file = INSTALL_PATH . '/' . $searchstr . $image_name;
if (! in_array($image_name, $included_images)) {
// add the image to the MIME message
if(! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name))
$OUTPUT->show_message("emoticonerror", 'error');
array_push($included_images, $image_name);
}
$body = substr_replace($body, $img_file, $m[1] + $offset, strlen($m[0]));
$offset += strlen($img_file) - strlen($m[0]);
}
}
}
$mime_message->setHTMLBody($body);
return $body;
}
// parse email address input
function rcmail_email_input_format($mailto)
{
global $EMAIL_FORMAT_ERROR;
$regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/', '/(\S{1})(<\S+@\S+>)/U');
$replace = array(', ', ', ', '', ',', '\\1 \\2');
// replace new lines and strip ending ', ', make address input more valid
$mailto = trim(preg_replace($regexp, $replace, $mailto));
$result = array();
$items = rcube_explode_quoted_string(',', $mailto);
foreach($items as $item) {
$item = trim($item);
// address in brackets without name (do nothing)
if (preg_match('/^<\S+@\S+>$/', $item)) {
$result[] = $item;
// address without brackets and without name (add brackets)
} else if (preg_match('/^\S+@\S+$/', $item)) {
$result[] = '<'.$item.'>';
// address with name (handle name)
} else if (preg_match('/\S+@\S+>*$/', $item, $matches)) {
$address = $matches[0];
$name = str_replace($address, '', $item);
$name = trim($name);
if ($name && ($name[0] != '"' || $name[strlen($name)-1] != '"')
&& preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name)) {
$name = '"'.addcslashes($name, '"').'"';
}
if (!preg_match('/^<\S+@\S+>$/', $address))
$address = '<'.$address.'>';
$result[] = $name.' '.$address;
$item = $address;
} else if (trim($item)) {
continue;
}
// check address format
$item = trim($item, '<>');
if ($item && !check_email($item)) {
$EMAIL_FORMAT_ERROR = $item;
return;
}
}
return implode(', ', $result);
}
/****** compose message ********/
if (strlen($_POST['_draft_saveid']) > 3)
$olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
$message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.mt_rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host']));
// set default charset
$input_charset = $OUTPUT->get_charset();
$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;
$EMAIL_FORMAT_ERROR = NULL;
$mailto = rcmail_email_input_format(get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset));
$mailcc = rcmail_email_input_format(get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset));
$mailbcc = rcmail_email_input_format(get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset));
if ($EMAIL_FORMAT_ERROR) {
$OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR));
$OUTPUT->send('iframe');
}
if (empty($mailto) && !empty($mailcc)) {
$mailto = $mailcc;
$mailcc = null;
}
else if (empty($mailto))
$mailto = 'undisclosed-recipients:;';
// get sender name and address
$from = get_input_value('_from', RCUBE_INPUT_POST, true, $message_charset);
$identity_arr = rcmail_get_identity($from);
if (!$identity_arr && ($from = rcmail_email_input_format($from))) {
if (preg_match('/(\S+@\S+)/', $from, $m))
$identity_arr['mailto'] = $m[1];
} else
$from = $identity_arr['mailto'];
if (empty($identity_arr['string']))
$identity_arr['string'] = $from;
// compose headers array
$headers = array();
// if configured, the Received headers goes to top, for good measure
if ($CONFIG['http_received_header'])
{
$nldlm = $RCMAIL->config->header_delimiter() . "\t";
// FROM/VIA
$http_header = 'from ';
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$host = $_SERVER['HTTP_X_FORWARDED_FOR'];
$hostname = gethostbyaddr($host);
if ($CONFIG['http_received_header_encrypt']) {
$http_header .= rcmail_encrypt_header($hostname);
if ($host != $hostname)
$http_header .= ' ('. rcmail_encrypt_header($host) . ')';
} else {
$http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']');
$http_header .= ' ('. ($host == $hostname ? '' : $hostname . ' ') .
'[' . $host .'])';
}
$http_header .= $nldlm . ' via ';
}
$host = $_SERVER['REMOTE_ADDR'];
$hostname = gethostbyaddr($host);
if ($CONFIG['http_received_header_encrypt']) {
$http_header .= rcmail_encrypt_header($hostname);
if ($host != $hostname)
$http_header .= ' ('. rcmail_encrypt_header($host) . ')';
} else {
$http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']');
$http_header .= ' ('. ($host == $hostname ? '' : $hostname . ' ') .
'[' . $host .'])';
}
// BY
$http_header .= $nldlm . 'by ' . $_SERVER['HTTP_HOST'];
// WITH
$http_header .= $nldlm . 'with ' . $_SERVER['SERVER_PROTOCOL'] .
' ('.$_SERVER['REQUEST_METHOD'] . '); ' . date('r');
$http_header = wordwrap($http_header, 69, $nldlm);
$headers['Received'] = $http_header;
}
$headers['Date'] = date('r');
$headers['From'] = rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset);
$headers['To'] = $mailto;
// additional recipients
if (!empty($mailcc))
$headers['Cc'] = $mailcc;
if (!empty($mailbcc))
$headers['Bcc'] = $mailbcc;
if (!empty($identity_arr['bcc']))
$headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
// add subject
$headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, TRUE, $message_charset));
if (!empty($identity_arr['organization']))
$headers['Organization'] = $identity_arr['organization'];
if (!empty($_POST['_replyto']))
$headers['Reply-To'] = rcmail_email_input_format(get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
else if (!empty($identity_arr['reply-to']))
$headers['Reply-To'] = $identity_arr['reply-to'];
if (!empty($_SESSION['compose']['reply_msgid']))
$headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
if (!empty($_SESSION['compose']['references']))
$headers['References'] = $_SESSION['compose']['references'];
if (!empty($_POST['_priority']))
{
$priority = intval($_POST['_priority']);
$a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
if ($str_priority = $a_priorities[$priority])
$headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
}
if (!empty($_POST['_receipt']))
{
$headers['Return-Receipt-To'] = $identity_arr['string'];
$headers['Disposition-Notification-To'] = $identity_arr['string'];
}
// additional headers
$headers['Message-ID'] = $message_id;
$headers['X-Sender'] = $from;
if (!empty($CONFIG['useragent']))
$headers['User-Agent'] = $CONFIG['useragent'];
$isHtmlVal = strtolower(get_input_value('_is_html', RCUBE_INPUT_POST));
$isHtml = ($isHtmlVal == "1");
// fetch message body
$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
if (!$savedraft) {
// remove signature's div ID
if ($isHtml)
$message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body);
// generic footer for all messages
if (!empty($CONFIG['generic_message_footer'])) {
$footer = file_get_contents(realpath($CONFIG['generic_message_footer']));
$footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset);
}
}
// create extended PEAR::Mail_mime instance
$MAIL_MIME = new rcube_mail_mime($RCMAIL->config->header_delimiter());
// For HTML-formatted messages, construct the MIME message with both
// the HTML part and the plain-text part
if ($isHtml) {
$plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME));
$MAIL_MIME->setHTMLBody($plugin['body'] . ($footer ? "\r\n<pre>".$footer.'</pre>' : ''));
// add a plain text version of the e-mail as an alternative part.
$h2t = new html2text($plugin['body'], false, true, 0);
$plainTextPart = rc_wordwrap($h2t->get_text(), 75, "\r\n") . ($footer ? "\r\n".$footer : '');
$plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
if (!strlen($plainTextPart)) {
// empty message body breaks attachment handling in drafts
$plainTextPart = "\r\n";
}
$plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME));
$MAIL_MIME->setTXTBody($plugin['body']);
// look for "emoticon" images from TinyMCE and copy into message as attachments
$message_body = rcmail_attach_emoticons($MAIL_MIME);
}
else
{
$message_body = rc_wordwrap($message_body, 75, "\r\n");
if ($footer)
$message_body .= "\r\n" . $footer;
$message_body = wordwrap($message_body, 998, "\r\n", true);
if (!strlen($message_body)) {
// empty message body breaks attachment handling in drafts
$message_body = "\r\n";
}
$plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME));
$MAIL_MIME->setTXTBody($plugin['body'], false, true);
}
// chose transfer encoding
$charset_7bit = array('ASCII', 'ISO-2022-JP', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-15');
$transfer_encoding = in_array(strtoupper($message_charset), $charset_7bit) ? '7bit' : '8bit';
// add stored attachments, if any
if (is_array($_SESSION['compose']['attachments'])) {
foreach ($_SESSION['compose']['attachments'] as $id => $attachment) {
// This hook retrieves the attachment contents from the file storage backend
$attachment = $RCMAIL->plugins->exec_hook('get_attachment', $attachment);
$dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]\s*/';
$message_body = $MAIL_MIME->getHTMLBody();
if ($isHtml && (preg_match($dispurl, $message_body) > 0)) {
$message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'" ', $message_body);
$MAIL_MIME->setHTMLBody($message_body);
if ($attachment['data'])
$MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false);
else
$MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true);
}
else {
$ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914
$file = $attachment['data'] ? $attachment['data'] : $attachment['path'];
// .eml attachments send inline
$MAIL_MIME->addAttachment($file,
$ctype,
$attachment['name'],
($attachment['data'] ? false : true),
($ctype == 'message/rfc822' ? $transfer_encoding : 'base64'),
($ctype == 'message/rfc822' ? 'inline' : 'attachment'),
$message_charset, '', '',
$CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
$CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
);
}
}
}
// add submitted attachments
if (is_array($_FILES['_attachments']['tmp_name'])) {
foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath) {
$ctype = $files['type'][$i];
$ctype = str_replace('image/pjpeg', 'image/jpeg', $ctype); // #1484914
$MAIL_MIME->addAttachment($filepath, $ctype, $files['name'][$i], true,
$ctype == 'message/rfc822' ? $transfer_encoding : 'base64',
'attachment', $message_charset, '', '',
$CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
$CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
);
}
}
// encoding settings for mail composing
$MAIL_MIME->setParam(array(
'text_encoding' => $transfer_encoding,
'html_encoding' => 'quoted-printable',
'head_encoding' => 'quoted-printable',
'head_charset' => $message_charset,
'html_charset' => $message_charset,
'text_charset' => $message_charset,
));
$data = $RCMAIL->plugins->exec_hook('outgoing_message_headers', array('headers' => $headers));
$headers = $data['headers'];
// encoding subject header with mb_encode provides better results with asian characters
if (function_exists("mb_encode_mimeheader"))
{
mb_internal_encoding($message_charset);
$headers['Subject'] = mb_encode_mimeheader($headers['Subject'], $message_charset, 'Q');
mb_internal_encoding(RCMAIL_CHARSET);
}
// pass headers to message object
$MAIL_MIME->headers($headers);
// Begin SMTP Delivery Block
if (!$savedraft)
{
// check for 'From' address (identity may be incomplete)
if ($identity_arr && !$identity_arr['mailto']) {
$OUTPUT->show_message('nofromaddress', 'error');
$OUTPUT->send('iframe');
}
$sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto, $smtp_error);
// return to compose page if sending failed
if (!$sent)
{
if ($smtp_error)
$OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']);
else
$OUTPUT->show_message('sendingfailed', 'error');
$OUTPUT->send('iframe');
}
// save message sent time
if (!empty($CONFIG['sendmail_delay']))
$RCMAIL->user->save_prefs(array('last_message_time' => time()));
// set replied/forwarded flag
if ($_SESSION['compose']['reply_uid'])
$IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED', $_SESSION['compose']['mailbox']);
else if ($_SESSION['compose']['forward_uid'])
$IMAP->set_flag($_SESSION['compose']['forward_uid'], 'FORWARDED', $_SESSION['compose']['mailbox']);
} // End of SMTP Delivery Block
// Determine which folder to save message
if ($savedraft)
$store_target = $CONFIG['drafts_mbox'];
else
$store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox'];
if ($store_target)
{
// check if mailbox exists
if (!in_array_nocase($store_target, $IMAP->list_mailboxes()))
{
// folder may be existing but not subscribed (#1485241)
if (!in_array_nocase($store_target, $IMAP->list_unsubscribed()))
$store_folder = $IMAP->create_mailbox($store_target, TRUE);
else if ($IMAP->subscribe($store_target))
$store_folder = TRUE;
}
else
$store_folder = TRUE;
// append message to sent box
if ($store_folder)
$saved = $IMAP->save_message($store_target, $MAIL_MIME->getMessage());
// raise error if saving failed
if (!$saved)
{
raise_error(array('code' => 800, 'type' => 'imap',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Could not save message in $store_target"), TRUE, FALSE);
if ($savedraft) {
$OUTPUT->show_message('errorsaving', 'error');
$OUTPUT->send('iframe');
}
}
if ($olddraftmessageid)
{
// delete previous saved draft
$a_deleteid = $IMAP->search($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$olddraftmessageid);
$deleted = $IMAP->delete_message($IMAP->get_uid($a_deleteid[0], $CONFIG['drafts_mbox']), $CONFIG['drafts_mbox']);
// raise error if deletion of old draft failed
if (!$deleted)
raise_error(array('code' => 800, 'type' => 'imap',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
}
}
if ($savedraft)
{
$msgid = strtr($message_id, array('>' => '', '<' => ''));
// remember new draft-uid
$draftids = $IMAP->search($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid);
$_SESSION['compose']['param']['_draft_uid'] = $IMAP->get_uid($draftids[0], $CONFIG['drafts_mbox']);
// display success
$OUTPUT->show_message('messagesaved', 'confirmation');
// update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
$OUTPUT->command('set_draft_id', $msgid);
$OUTPUT->command('compose_field_hash', true);
// start the auto-save timer again
$OUTPUT->command('auto_save_start');
$OUTPUT->send('iframe');
}
else
{
rcmail_compose_cleanup();
if ($store_folder && !$saved)
$OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
else
$OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'));
$OUTPUT->send('iframe');
}
?>

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sendmail.inc (20 KB)

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