|
+-----------------------------------------------------------------------+
*/
// remove all scripts and act as called in frame
$OUTPUT->reset();
$OUTPUT->framed = TRUE;
$savedraft = !empty($_POST['_draft']) ? true : false;
$COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GPC);
$COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];
/****** checks ********/
if (!isset($COMPOSE['id'])) {
raise_error(array('code' => 500, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Invalid compose ID"), true, false);
$OUTPUT->show_message('internalerror', '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 $RCMAIL, $message_charset;
global $RCMAIL;
if ($sql_arr = $RCMAIL->user->get_identity($id)) {
$out = $sql_arr;
if ($message_charset != RCMAIL_CHARSET) {
foreach ($out as $k => $v)
$out[$k] = rcube_charset_convert($v, RCMAIL_CHARSET, $message_charset);
}
$out['mailto'] = $sql_arr['email'];
$out['string'] = format_email_recipient($sql_arr['email'], $sql_arr['name']);
return $out;
}
return FALSE;
}
/**
* go from this:
* 
*
* to this:
*
* 
*/
function rcmail_fix_emoticon_paths($mime_message)
{
global $RCMAIL;
$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)) {
$RCMAIL->output->show_message("emoticonerror", 'error');
}
array_push($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);
}
/**
* Extract image attachments from HTML content (data URIs)
*/
function rcmail_extract_inline_images($mime_message, $from)
{
$body = $mime_message->getHTMLBody();
$offset = 0;
$list = array();
$regexp = '# src=[\'"](data:(image/[a-z]+);base64,([a-z0-9+/=\r\n]+))([\'"])#i';
// get domain for the Content-ID, must be the same as in Mail_Mime::get()
if (preg_match('#@([0-9a-zA-Z\-\.]+)#', $from, $matches)) {
$domain = $matches[1];
} else {
$domain = 'localhost';
}
if (preg_match_all($regexp, $body, $matches, PREG_OFFSET_CAPTURE)) {
foreach ($matches[1] as $idx => $m) {
$data = preg_replace('/\r\n/', '', $matches[3][$idx][0]);
$data = base64_decode($data);
if (empty($data)) {
continue;
}
$hash = md5($data) . '@' . $domain;
$mime_type = $matches[2][$idx][0];
$name = $list[$hash];
// add the image to the MIME message
if (!$name) {
$ext = preg_replace('#^[^/]+/#', '', $mime_type);
$name = substr($hash, 0, 8) . '.' . $ext;
$list[$hash] = $name;
$mime_message->addHTMLImage($data, $mime_type, $name, false, $hash);
}
$body = substr_replace($body, $name, $m[1] + $offset, strlen($m[0]));
$offset += strlen($name) - strlen($m[0]);
}
}
$mime_message->setHTMLBody($body);
}
/**
* Parse and cleanup email address input (and count addresses)
*
* @param string Address input
* @param boolean Do count recipients (saved in global $RECIPIENT_COUNT)
* @param boolean Validate addresses (errors saved in global $EMAIL_FORMAT_ERROR)
* @return string Canonical recipients string separated by comma
*/
function rcmail_email_input_format($mailto, $count=false, $check=true)
{
global $RCMAIL, $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT;
// simplified email regexp, supporting quoted local part
$email_regexp = '(\S+|("[^"]+"))@\S+';
$delim = trim($RCMAIL->config->get('recipients_separator', ','));
$regexp = array("/[,;$delim]\s*[\r\n]+/", '/[\r\n]+/', "/[,;$delim]\s*\$/m", '/;/', '/(\S{1})(<'.$email_regexp.'>)/U');
$replace = array($delim.' ', ', ', '', $delim, '\\1 \\2');
// replace new lines and strip ending ', ', make address input more valid
$mailto = trim(preg_replace($regexp, $replace, $mailto));
$result = array();
$items = rcube_explode_quoted_string($delim, $mailto);
foreach($items as $item) {
$item = trim($item);
// address in brackets without name (do nothing)
if (preg_match('/^<'.$email_regexp.'>$/', $item)) {
$item = rcube_idn_to_ascii(trim($item, '<>'));
$result[] = $item;
// address without brackets and without name (add brackets)
} else if (preg_match('/^'.$email_regexp.'$/', $item)) {
$item = rcube_idn_to_ascii($item);
$result[] = $item;
// address with name (handle name)
} else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) {
$address = $matches[0];
$name = trim(str_replace($address, '', $item));
if ($name[0] == '"' && $name[count($name)-1] == '"') {
$name = substr($name, 1, -1);
}
$name = stripcslashes($name);
$address = rcube_idn_to_ascii(trim($address, '<>'));
$result[] = format_email_recipient($address, $name);
$item = $address;
} else if (trim($item)) {
continue;
}
// check address format
$item = trim($item, '<>');
if ($item && $check && !check_email($item)) {
$EMAIL_FORMAT_ERROR = $item;
return;
}
}
if ($count) {
$RECIPIENT_COUNT += count($result);
}
return implode(', ', $result);
}
function rcmail_generic_message_footer($isHtml)
{
global $CONFIG;
if ($isHtml && !empty($CONFIG['generic_message_footer_html'])) {
$file = $CONFIG['generic_message_footer_html'];
$html_footer = true;
}
else {
$file = $CONFIG['generic_message_footer'];
$html_footer = false;
}
if ($file && realpath($file)) {
// sanity check
if (!preg_match('/\.(php|ini|conf)$/', $file) && strpos($file, '/etc/') === false) {
$footer = file_get_contents($file);
if ($isHtml && !$html_footer)
$footer = '' . $footer . '
';
return $footer;
}
}
return false;
}
/****** compose message ********/
if (strlen($_POST['_draft_saveid']) > 3)
$olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
$message_id = rcmail_gen_message_id();
// set default charset
$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $OUTPUT->get_charset();
$EMAIL_FORMAT_ERROR = NULL;
$RECIPIENT_COUNT = 0;
$mailto = rcmail_email_input_format(get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset), true);
$mailcc = rcmail_email_input_format(get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset), true);
$mailbcc = rcmail_email_input_format(get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset), true);
if ($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, $message_charset);
// ... from identity...
if (is_numeric($from)) {
if (is_array($identity_arr = rcmail_get_identity($from))) {
if ($identity_arr['mailto'])
$from = $identity_arr['mailto'];
if ($identity_arr['string'])
$from_string = $identity_arr['string'];
}
else {
$from = null;
}
}
// ... if there is no identity record, this might be a custom from
else if ($from_string = rcmail_email_input_format($from)) {
if (preg_match('/(\S+@\S+)/', $from_string, $m))
$from = trim($m[1], '<>');
else
$from = null;
}
if (!$from_string && $from)
$from_string = $from;
// compose headers array
$headers = array();
// if configured, the Received headers goes to top, for good measure
if ($CONFIG['http_received_header'])
{
$nldlm = "\r\n\t";
// FROM/VIA
$http_header = 'from ';
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$hosts = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'], 2);
$hostname = gethostbyaddr($hosts[0]);
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 : '[' . $host . ']');
if ($host != $hostname)
$http_header .= ' (['. $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 : '[' . $host . ']');
if ($host != $hostname)
$http_header .= ' (['. $host .'])';
}
// BY
$http_header .= $nldlm . 'by ' . $_SERVER['HTTP_HOST'];
// WITH
$http_header .= $nldlm . 'with HTTP (' . $_SERVER['SERVER_PROTOCOL'] .
' '.$_SERVER['REQUEST_METHOD'] . '); ' . date('r');
$http_header = wordwrap($http_header, 69, $nldlm);
$headers['Received'] = $http_header;
}
$headers['Date'] = rcmail_user_date();
$headers['From'] = rcube_charset_convert($from_string, RCMAIL_CHARSET, $message_charset);
$headers['To'] = $mailto;
// additional recipients
if (!empty($mailcc)) {
$headers['Cc'] = $mailcc;
}
if (!empty($mailbcc)) {
$headers['Bcc'] = $mailbcc;
}
if (($max_recipients = (int) $RCMAIL->config->get('max_recipients')) > 0) {
if ($RECIPIENT_COUNT > $max_recipients) {
$OUTPUT->show_message('toomanyrecipients', 'error', array('max' => $max_recipients));
$OUTPUT->send('iframe');
}
}
// 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, $message_charset));
}
if (!empty($headers['Reply-To'])) {
$headers['Mail-Reply-To'] = $headers['Reply-To'];
}
if (!empty($_POST['_followupto'])) {
$headers['Mail-Followup-To'] = rcmail_email_input_format(get_input_value('_followupto', RCUBE_INPUT_POST, TRUE, $message_charset));
}
// remember reply/forward UIDs in special headers
if (!empty($COMPOSE['reply_uid']) && $savedraft) {
$headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $COMPOSE['reply_uid']);
}
else if (!empty($COMPOSE['forward_uid']) && $savedraft) {
$headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $COMPOSE['forward_uid']);
}
if (!empty($COMPOSE['reply_msgid'])) {
$headers['In-Reply-To'] = $COMPOSE['reply_msgid'];
}
if (!empty($COMPOSE['references'])) {
$headers['References'] = $COMPOSE['references'];
}
if (!empty($_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'] = $from_string;
$headers['Disposition-Notification-To'] = $from_string;
}
// additional headers
$headers['Message-ID'] = $message_id;
$headers['X-Sender'] = $from;
if (is_array($headers['X-Draft-Info'])) {
$headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $COMPOSE['mailbox']));
}
if (!empty($CONFIG['useragent'])) {
$headers['User-Agent'] = $CONFIG['useragent'];
}
// exec hook for header checking and manipulation
// Depracated: use message_before_send hook instead
$data = $RCMAIL->plugins->exec_hook('message_outgoing_headers', array('headers' => $headers));
// sending aborted by plugin
if ($data['abort'] && !$savedraft) {
$OUTPUT->show_message($data['message'] ? $data['message'] : 'sendingfailed');
$OUTPUT->send('iframe');
}
else
$headers = $data['headers'];
$isHtml = (bool) get_input_value('_is_html', RCUBE_INPUT_POST);
// fetch message body
$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
if ($isHtml) {
$bstyle = array();
if ($font_size = $RCMAIL->config->get('default_font_size')) {
$bstyle[] = 'font-size: ' . $font_size;
}
if ($font_family = $RCMAIL->config->get('default_font')) {
$bstyle[] = 'font-family: ' . rcmail::font_defs($font_family);
}
// append doctype and html/body wrappers
$message_body = ''
. "\r\n\r\n"
. $message_body;
}
if (!$savedraft) {
if ($isHtml) {
// remove signature's div ID
$message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body);
// add inline css for blockquotes
$bstyle = 'padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px';
$message_body = preg_replace('//',
'', $message_body);
}
// Check spelling before send
if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck']
&& empty($COMPOSE['spell_checked']) && !empty($message_body)
) {
$message_body = str_replace("\r\n", "\n", $message_body);
$spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC));
$spell_result = $spellchecker->check($message_body, $isHtml);
$COMPOSE['spell_checked'] = true;
if (!$spell_result) {
$result = $isHtml ? $spellchecker->get_words() : $spellchecker->get_xml();
$OUTPUT->show_message('mispellingsfound', 'error');
$OUTPUT->command('spellcheck_resume', $isHtml, $result);
$OUTPUT->send('iframe');
}
}
// generic footer for all messages
if ($footer = rcmail_generic_message_footer($isHtml)) {
$footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset);
$message_body .= "\r\n" . $footer;
}
}
if ($isHtml) {
$message_body .= "\r\n