+ $today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
+ $week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
+
+ // define date format depending on current time
+ if (!$format) {
+ if ($CONFIG['prettydate'] && $timestamp > $today_limit && $timestamp < $now) {
+ $format = $CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i';
+ $today = true;
+ }
+ else if ($CONFIG['prettydate'] && $timestamp > $week_limit && $timestamp < $now)
+ $format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i';
+ else
+ $format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i';
+ }
+
+ // strftime() format
+ if (preg_match('/%[a-z]+/i', $format)) {
+ $format = strftime($format, $timestamp);
+ return $today ? (rcube_label('today') . ' ' . $format) : $format;
+ }
+
+ // parse format string manually in order to provide localized weekday and month names
+ // an alternative would be to convert the date() format string to fit with strftime()
+ $out = '';
+ for($i=0; $i<strlen($format); $i++) {
+ if ($format[$i]=='\\') // skip escape chars
+ continue;
+
+ // write char "as-is"
+ if ($format[$i]==' ' || $format{$i-1}=='\\')
+ $out .= $format[$i];
+ // weekday (short)
+ else if ($format[$i]=='D')
+ $out .= rcube_label(strtolower(date('D', $timestamp)));
+ // weekday long
+ else if ($format[$i]=='l')
+ $out .= rcube_label(strtolower(date('l', $timestamp)));
+ // month name (short)
+ else if ($format[$i]=='M')
+ $out .= rcube_label(strtolower(date('M', $timestamp)));
+ // month name (long)
+ else if ($format[$i]=='F')
+ $out .= rcube_label('long'.strtolower(date('M', $timestamp)));
+ else if ($format[$i]=='x')
+ $out .= strftime('%x %X', $timestamp);
+ else
+ $out .= date($format[$i], $timestamp);
+ }
+
+ if ($today) {
+ $label = rcube_label('today');
+ // replcae $ character with "Today" label (#1486120)
+ if (strpos($out, '$') !== false) {
+ $out = preg_replace('/\$/', $label, $out, 1);
+ }
+ else {
+ $out = $label . ' ' . $out;
+ }
+ }
+
+ return $out;
+}
+
+
+/**
+ * Compose a valid representation of name and e-mail address
+ *
+ * @param string E-mail address
+ * @param string Person name
+ * @return string Formatted string
+ */
+function format_email_recipient($email, $name='')
+{
+ if ($name && $name != $email) {
+ // Special chars as defined by RFC 822 need to in quoted string (or escaped).
+ return sprintf('%s <%s>', preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name) ? '"'.addcslashes($name, '"').'"' : $name, trim($email));
+ }
+
+ return trim($email);
+}
+
+
+/**
+ * Return the mailboxlist in HTML
+ *
+ * @param array Named parameters
+ * @return string HTML code for the gui object
+ */
+function rcmail_mailbox_list($attrib)
+{
+ global $RCMAIL;
+ static $a_mailboxes;
+
+ $attrib += array('maxlength' => 100, 'realnames' => false);
+
+ // add some labels to client
+ $RCMAIL->output->add_label('purgefolderconfirm', 'deletemessagesconfirm');
+
+ $type = $attrib['type'] ? $attrib['type'] : 'ul';
+ unset($attrib['type']);
+
+ if ($type=='ul' && !$attrib['id'])
+ $attrib['id'] = 'rcmboxlist';
+
+ if (empty($attrib['folder_name']))
+ $attrib['folder_name'] = '*';
+
+ // get mailbox list
+ $mbox_name = $RCMAIL->imap->get_mailbox_name();
+
+ // build the folders tree
+ if (empty($a_mailboxes)) {
+ // get mailbox list
+ $a_folders = $RCMAIL->imap->list_mailboxes('', $attrib['folder_name'], $attrib['folder_filter']);
+ $delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
+ $a_mailboxes = array();
+
+ foreach ($a_folders as $folder)
+ rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
+ }
+
+ // allow plugins to alter the folder tree or to localize folder names
+ $hook = $RCMAIL->plugins->exec_hook('render_mailboxlist', array('list' => $a_mailboxes, 'delimiter' => $delimiter));
+
+ if ($type == 'select') {
+ $select = new html_select($attrib);
+
+ // add no-selection option
+ if ($attrib['noselection'])
+ $select->add(rcube_label($attrib['noselection']), '');
+
+ rcmail_render_folder_tree_select($hook['list'], $mbox_name, $attrib['maxlength'], $select, $attrib['realnames']);
+ $out = $select->show();
+ }
+ else {
+ $js_mailboxlist = array();
+ $out = html::tag('ul', $attrib, rcmail_render_folder_tree_html($hook['list'], $mbox_name, $js_mailboxlist, $attrib), html::$common_attrib);
+
+ $RCMAIL->output->add_gui_object('mailboxlist', $attrib['id']);
+ $RCMAIL->output->set_env('mailboxes', $js_mailboxlist);
+ $RCMAIL->output->set_env('collapsed_folders', (string)$RCMAIL->config->get('collapsed_folders'));
+ }
+
+ return $out;
+}
+
+
+/**
+ * Return the mailboxlist as html_select object
+ *
+ * @param array Named parameters
+ * @return html_select HTML drop-down object
+ */
+function rcmail_mailbox_select($p = array())
+{
+ global $RCMAIL;
+
+ $p += array('maxlength' => 100, 'realnames' => false);
+ $a_mailboxes = array();
+
+ if (empty($p['folder_name']))
+ $p['folder_name'] = '*';
+
+ if ($p['unsubscribed'])
+ $list = $RCMAIL->imap->list_unsubscribed('', $p['folder_name'], $p['folder_filter']);
+ else
+ $list = $RCMAIL->imap->list_mailboxes('', $p['folder_name'], $p['folder_filter']);
+
+ $delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
+
+ foreach ($list as $folder) {
+ if (empty($p['exceptions']) || !in_array($folder, $p['exceptions']))
+ rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
+ }
+
+ $select = new html_select($p);
+
+ if ($p['noselection'])
+ $select->add($p['noselection'], '');
+
+ rcmail_render_folder_tree_select($a_mailboxes, $mbox, $p['maxlength'], $select, $p['realnames'], 0, $p['exceptions']);
+
+ return $select;
+}
+
+
+/**
+ * Create a hierarchical array of the mailbox list
+ * @access private
+ * @return void
+ */
+function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
+{
+ global $RCMAIL;
+
+ // Handle namespace prefix
+ $prefix = '';
+ if (!$path) {
+ $n_folder = $folder;
+ $folder = $RCMAIL->imap->mod_mailbox($folder);
+
+ if ($n_folder != $folder) {
+ $prefix = substr($n_folder, 0, -strlen($folder));
+ }
+ }
+
+ $pos = strpos($folder, $delm);
+
+ if ($pos !== false) {
+ $subFolders = substr($folder, $pos+1);
+ $currentFolder = substr($folder, 0, $pos);
+
+ // sometimes folder has a delimiter as the last character
+ if (!strlen($subFolders))
+ $virtual = false;
+ else if (!isset($arrFolders[$currentFolder]))
+ $virtual = true;
+ else
+ $virtual = $arrFolders[$currentFolder]['virtual'];
+ }
+ else {
+ $subFolders = false;
+ $currentFolder = $folder;
+ $virtual = false;
+ }
+
+ $path .= $prefix.$currentFolder;
+
+ if (!isset($arrFolders[$currentFolder])) {
+ // Check \Noselect option (if options are in cache)
+ if (!$virtual && ($opts = $RCMAIL->imap->mailbox_options($path))) {
+ $virtual = in_array('\\Noselect', $opts);
+ }
+
+ $arrFolders[$currentFolder] = array(
+ 'id' => $path,
+ 'name' => rcube_charset_convert($currentFolder, 'UTF7-IMAP'),
+ 'virtual' => $virtual,
+ 'folders' => array());
+ }
+ else
+ $arrFolders[$currentFolder]['virtual'] = $virtual;
+
+ if (strlen($subFolders))
+ rcmail_build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
+}
+
+
+/**
+ * Return html for a structured list <ul> for the mailbox tree
+ * @access private
+ * @return string
+ */
+function rcmail_render_folder_tree_html(&$arrFolders, &$mbox_name, &$jslist, $attrib, $nestLevel=0)
+{
+ global $RCMAIL, $CONFIG;
+
+ $maxlength = intval($attrib['maxlength']);
+ $realnames = (bool)$attrib['realnames'];
+ $msgcounts = $RCMAIL->imap->get_cache('messagecount');
+
+ $idx = 0;
+ $out = '';
+ foreach ($arrFolders as $key => $folder) {
+ $zebra_class = (($nestLevel+1)*$idx) % 2 == 0 ? 'even' : 'odd';
+ $title = null;
+
+ if (($folder_class = rcmail_folder_classname($folder['id'])) && !$realnames) {
+ $foldername = rcube_label($folder_class);
+ }
+ else {
+ $foldername = $folder['name'];
+
+ // shorten the folder name to a given length
+ if ($maxlength && $maxlength > 1) {
+ $fname = abbreviate_string($foldername, $maxlength);
+ if ($fname != $foldername)
+ $title = $foldername;
+ $foldername = $fname;
+ }
+ }
+
+ // make folder name safe for ids and class names
+ $folder_id = html_identifier($folder['id']);
+ $classes = array('mailbox');
+
+ // set special class for Sent, Drafts, Trash and Junk
+ if ($folder['id'] == $CONFIG['sent_mbox'])
+ $classes[] = 'sent';
+ else if ($folder['id'] == $CONFIG['drafts_mbox'])
+ $classes[] = 'drafts';
+ else if ($folder['id'] == $CONFIG['trash_mbox'])
+ $classes[] = 'trash';
+ else if ($folder['id'] == $CONFIG['junk_mbox'])
+ $classes[] = 'junk';
+ else if ($folder['id'] == 'INBOX')
+ $classes[] = 'inbox';
+ else
+ $classes[] = '_'.asciiwords($folder_class ? $folder_class : strtolower($folder['id']), true);
+
+ $classes[] = $zebra_class;
+
+ if ($folder['id'] == $mbox_name)
+ $classes[] = 'selected';
+
+ $collapsed = strpos($CONFIG['collapsed_folders'], '&'.rawurlencode($folder['id']).'&') !== false;
+ $unread = $msgcounts ? intval($msgcounts[$folder['id']]['UNSEEN']) : 0;
+
+ if ($folder['virtual'])
+ $classes[] = 'virtual';
+ else if ($unread)
+ $classes[] = 'unread';
+
+ $js_name = JQ($folder['id']);
+ $html_name = Q($foldername) . ($unread ? html::span('unreadcount', " ($unread)") : '');
+ $link_attrib = $folder['virtual'] ? array() : array(
+ 'href' => rcmail_url('', array('_mbox' => $folder['id'])),
+ 'onclick' => sprintf("return %s.command('list','%s',this)", JS_OBJECT_NAME, $js_name),
+ 'rel' => $folder['id'],
+ 'title' => $title,
+ );
+
+ $out .= html::tag('li', array(
+ 'id' => "rcmli".$folder_id,
+ 'class' => join(' ', $classes),
+ 'noclose' => true),
+ html::a($link_attrib, $html_name) .
+ (!empty($folder['folders']) ? html::div(array(
+ 'class' => ($collapsed ? 'collapsed' : 'expanded'),
+ 'style' => "position:absolute",
+ 'onclick' => sprintf("%s.command('collapse-folder', '%s')", JS_OBJECT_NAME, $js_name)
+ ), ' ') : ''));
+
+ $jslist[$folder_id] = array('id' => $folder['id'], 'name' => $foldername, 'virtual' => $folder['virtual']);
+
+ if (!empty($folder['folders'])) {
+ $out .= html::tag('ul', array('style' => ($collapsed ? "display:none;" : null)),
+ rcmail_render_folder_tree_html($folder['folders'], $mbox_name, $jslist, $attrib, $nestLevel+1));
+ }
+
+ $out .= "</li>\n";
+ $idx++;
+ }
+
+ return $out;
+}
+
+
+/**
+ * Return html for a flat list <select> for the mailbox tree
+ * @access private
+ * @return string
+ */
+function rcmail_render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, &$select, $realnames=false, $nestLevel=0, $exceptions=array())
+{
+ $out = '';
+
+ foreach ($arrFolders as $key => $folder) {
+ if (empty($exceptions) || !in_array($folder['id'], $exceptions)) {
+ if (!$realnames && ($folder_class = rcmail_folder_classname($folder['id'])))
+ $foldername = rcube_label($folder_class);
+ else {
+ $foldername = $folder['name'];
+
+ // shorten the folder name to a given length
+ if ($maxlength && $maxlength>1)
+ $foldername = abbreviate_string($foldername, $maxlength);
+ }
+
+ $select->add(str_repeat(' ', $nestLevel*4) . $foldername, $folder['id']);
+ }
+ else if ($nestLevel)
+ continue;
+
+ if (!empty($folder['folders']))
+ $out .= rcmail_render_folder_tree_select($folder['folders'], $mbox_name, $maxlength,
+ $select, $realnames, $nestLevel+1, $exceptions);
+ }
+
+ return $out;
+}
+
+
+/**
+ * Return internal name for the given folder if it matches the configured special folders
+ * @access private
+ * @return string
+ */
+function rcmail_folder_classname($folder_id)
+{
+ global $CONFIG;
+
+ if ($folder_id == 'INBOX')
+ return 'inbox';
+
+ // for these mailboxes we have localized labels and css classes
+ foreach (array('sent', 'drafts', 'trash', 'junk') as $smbx)
+ {
+ if ($folder_id == $CONFIG[$smbx.'_mbox'])
+ return $smbx;
+ }
+}
+
+
+/**
+ * Try to localize the given IMAP folder name.
+ * UTF-7 decode it in case no localized text was found
+ *
+ * @param string Folder name
+ * @return string Localized folder name in UTF-8 encoding
+ */
+function rcmail_localize_foldername($name)
+{
+ if ($folder_class = rcmail_folder_classname($name))
+ return rcube_label($folder_class);
+ else
+ return rcube_charset_convert($name, 'UTF7-IMAP');
+}
+
+
+function rcmail_localize_folderpath($path)
+{
+ global $RCMAIL;
+
+ $protect_folders = $RCMAIL->config->get('protect_default_folders');
+ $default_folders = (array) $RCMAIL->config->get('default_imap_folders');
+ $delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
+ $path = explode($delimiter, $path);
+ $result = array();
+
+ foreach ($path as $idx => $dir) {
+ $directory = implode($delimiter, array_slice($path, 0, $idx+1));
+ if ($protect_folders && in_array($directory, $default_folders)) {
+ unset($result);
+ $result[] = rcmail_localize_foldername($directory);
+ }
+ else {
+ $result[] = rcube_charset_convert($dir, 'UTF7-IMAP');
+ }
+ }
+
+ return implode($delimiter, $result);
+}
+
+
+function rcmail_quota_display($attrib)
+{
+ global $OUTPUT;
+
+ if (!$attrib['id'])
+ $attrib['id'] = 'rcmquotadisplay';
+
+ if(isset($attrib['display']))
+ $_SESSION['quota_display'] = $attrib['display'];
+
+ $OUTPUT->add_gui_object('quotadisplay', $attrib['id']);
+
+ $quota = rcmail_quota_content($attrib);
+
+ $OUTPUT->add_script('rcmail.set_quota('.json_serialize($quota).');', 'docready');
+
+ return html::span($attrib, '');
+}
+
+
+function rcmail_quota_content($attrib=NULL)
+{
+ global $RCMAIL;
+
+ $quota = $RCMAIL->imap->get_quota();
+ $quota = $RCMAIL->plugins->exec_hook('quota', $quota);
+
+ $quota_result = (array) $quota;
+ $quota_result['type'] = isset($_SESSION['quota_display']) ? $_SESSION['quota_display'] : '';
+
+ if (!$quota['total'] && $RCMAIL->config->get('quota_zero_as_unlimited')) {
+ $quota_result['title'] = rcube_label('unlimited');
+ $quota_result['percent'] = 0;
+ }
+ else if ($quota['total']) {
+ if (!isset($quota['percent']))
+ $quota_result['percent'] = min(100, round(($quota['used']/max(1,$quota['total']))*100));
+
+ $title = sprintf('%s / %s (%.0f%%)',
+ show_bytes($quota['used'] * 1024), show_bytes($quota['total'] * 1024),
+ $quota_result['percent']);
+
+ $quota_result['title'] = $title;
+
+ if ($attrib['width'])
+ $quota_result['width'] = $attrib['width'];
+ if ($attrib['height'])
+ $quota_result['height'] = $attrib['height'];
+ }
+ else {
+ $quota_result['title'] = rcube_label('unknown');
+ $quota_result['percent'] = 0;
+ }
+
+ return $quota_result;
+}
+
+
+/**
+ * Outputs error message according to server error/response codes
+ *
+ * @param string Fallback message label
+ * @param string Fallback message label arguments
+ *
+ * @return void
+ */
+function rcmail_display_server_error($fallback=null, $fallback_args=null)
+{
+ global $RCMAIL;
+
+ $err_code = $RCMAIL->imap->get_error_code();
+ $res_code = $RCMAIL->imap->get_response_code();
+
+ if ($res_code == rcube_imap::NOPERM) {
+ $RCMAIL->output->show_message('errornoperm', 'error');
+ }
+ else if ($res_code == rcube_imap::READONLY) {
+ $RCMAIL->output->show_message('errorreadonly', 'error');
+ }
+ else if ($err_code && ($err_str = $RCMAIL->imap->get_error_str())) {
+ $RCMAIL->output->show_message('servererrormsg', 'error', array('msg' => $err_str));
+ }
+ else if ($fallback) {
+ $RCMAIL->output->show_message($fallback, 'error', $fallback_args);
+ }
+
+ return true;
+}
+
+
+/**
+ * Output HTML editor scripts
+ *
+ * @param string Editor mode
+ * @return void
+ */
+function rcube_html_editor($mode='')
+{
+ global $RCMAIL, $CONFIG;
+
+ $hook = $RCMAIL->plugins->exec_hook('html_editor', array('mode' => $mode));
+
+ if ($hook['abort'])
+ return;
+
+ $lang = strtolower($_SESSION['language']);
+
+ // TinyMCE uses 'tw' for zh_TW (which is wrong, because tw is a code of Twi language)
+ $lang = ($lang == 'zh_tw') ? 'tw' : substr($lang, 0, 2);
+
+ if (!file_exists(INSTALL_PATH . 'program/js/tiny_mce/langs/'.$lang.'.js'))
+ $lang = 'en';
+
+ $RCMAIL->output->include_script('tiny_mce/tiny_mce.js');
+ $RCMAIL->output->include_script('editor.js');
+ $RCMAIL->output->add_script(sprintf("rcmail_editor_init('\$__skin_path', '%s', %d, '%s');",
+ JQ($lang), intval($CONFIG['enable_spellcheck']), $mode),
+ 'foot');
+}
+
+
+/**
+ * Replaces TinyMCE's emoticon images with plain-text representation
+ *
+ * @param string HTML content
+ * @return string HTML content
+ */
+function rcmail_replace_emoticons($html)
+{
+ $emoticons = array(
+ '8-)' => 'smiley-cool',
+ ':-#' => 'smiley-foot-in-mouth',
+ ':-*' => 'smiley-kiss',
+ ':-X' => 'smiley-sealed',
+ ':-P' => 'smiley-tongue-out',
+ ':-@' => 'smiley-yell',
+ ":'(" => 'smiley-cry',
+ ':-(' => 'smiley-frown',
+ ':-D' => 'smiley-laughing',
+ ':-)' => 'smiley-smile',
+ ':-S' => 'smiley-undecided',
+ ':-$' => 'smiley-embarassed',
+ 'O:-)' => 'smiley-innocent',
+ ':-|' => 'smiley-money-mouth',
+ ':-O' => 'smiley-surprised',
+ ';-)' => 'smiley-wink',
+ );
+
+ foreach ($emoticons as $idx => $file) {
+ // <img title="Cry" src="http://.../program/js/tiny_mce/plugins/emotions/img/smiley-cry.gif" border="0" alt="Cry" />
+ $search[] = '/<img title="[a-z ]+" src="https?:\/\/[a-z0-9_.\/-]+\/tiny_mce\/plugins\/emotions\/img\/'.$file.'.gif"[^>]+\/>/i';
+ $replace[] = $idx;
+ }
+
+ return preg_replace($search, $replace, $html);
+}
+
+
+/**
+ * Send the given message using the configured method
+ *
+ * @param object $message Reference to Mail_MIME object
+ * @param string $from Sender address string
+ * @param array $mailto Array of recipient address strings
+ * @param array $smtp_error SMTP error array (reference)
+ * @param string $body_file Location of file with saved message body (reference),
+ * used when delay_file_io is enabled
+ * @param array $smtp_opts SMTP options (e.g. DSN request)
+ *
+ * @return boolean Send status.
+ */
+function rcmail_deliver_message(&$message, $from, $mailto, &$smtp_error, &$body_file=null, $smtp_opts=null)
+{
+ global $CONFIG, $RCMAIL;
+
+ $headers = $message->headers();
+
+ // send thru SMTP server using custom SMTP library
+ if ($CONFIG['smtp_server']) {
+ // generate list of recipients
+ $a_recipients = array($mailto);
+
+ if (strlen($headers['Cc']))
+ $a_recipients[] = $headers['Cc'];
+ if (strlen($headers['Bcc']))
+ $a_recipients[] = $headers['Bcc'];
+
+ // clean Bcc from header for recipients
+ $send_headers = $headers;
+ unset($send_headers['Bcc']);
+ // here too, it because txtHeaders() below use $message->_headers not only $send_headers
+ unset($message->_headers['Bcc']);
+
+ $smtp_headers = $message->txtHeaders($send_headers, true);
+
+ if ($message->getParam('delay_file_io')) {
+ // use common temp dir
+ $temp_dir = $RCMAIL->config->get('temp_dir');
+ $body_file = tempnam($temp_dir, 'rcmMsg');
+ if (PEAR::isError($mime_result = $message->saveMessageBody($body_file))) {
+ raise_error(array('code' => 650, 'type' => 'php',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Could not create message: ".$mime_result->getMessage()),
+ TRUE, FALSE);
+ return false;
+ }
+ $msg_body = fopen($body_file, 'r');
+ } else {
+ $msg_body = $message->get();
+ }
+
+ // send message
+ if (!is_object($RCMAIL->smtp))
+ $RCMAIL->smtp_init(true);
+
+ $sent = $RCMAIL->smtp->send_mail($from, $a_recipients, $smtp_headers, $msg_body, $smtp_opts);
+ $smtp_response = $RCMAIL->smtp->get_response();
+ $smtp_error = $RCMAIL->smtp->get_error();
+
+ // log error
+ if (!$sent)
+ raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
+ 'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
+ }
+ // send mail using PHP's mail() function
+ else {
+ // unset some headers because they will be added by the mail() function
+ $headers_enc = $message->headers($headers);
+ $headers_php = $message->_headers;
+ unset($headers_php['To'], $headers_php['Subject']);
+
+ // reset stored headers and overwrite
+ $message->_headers = array();
+ $header_str = $message->txtHeaders($headers_php);
+
+ // #1485779
+ if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+ if (preg_match_all('/<([^@]+@[^>]+)>/', $headers_enc['To'], $m)) {
+ $headers_enc['To'] = implode(', ', $m[1]);
+ }
+ }
+
+ $msg_body = $message->get();
+
+ if (PEAR::isError($msg_body))
+ raise_error(array('code' => 650, 'type' => 'php',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Could not create message: ".$msg_body->getMessage()),
+ TRUE, FALSE);
+ else {
+ $delim = $RCMAIL->config->header_delimiter();
+ $to = $headers_enc['To'];
+ $subject = $headers_enc['Subject'];
+ $header_str = rtrim($header_str);
+
+ if ($delim != "\r\n") {
+ $header_str = str_replace("\r\n", $delim, $header_str);
+ $msg_body = str_replace("\r\n", $delim, $msg_body);
+ $to = str_replace("\r\n", $delim, $to);
+ $subject = str_replace("\r\n", $delim, $subject);
+ }
+
+ if (ini_get('safe_mode'))
+ $sent = mail($to, $subject, $msg_body, $header_str);
+ else
+ $sent = mail($to, $subject, $msg_body, $header_str, "-f$from");
+ }
+ }
+
+ if ($sent) {
+ $RCMAIL->plugins->exec_hook('message_sent', array('headers' => $headers, 'body' => $msg_body));
+
+ // remove MDN headers after sending
+ unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']);
+
+ // get all recipients
+ if ($headers['Cc'])
+ $mailto .= $headers['Cc'];
+ if ($headers['Bcc'])
+ $mailto .= $headers['Bcc'];
+ if (preg_match_all('/<([^@]+@[^>]+)>/', $mailto, $m))
+ $mailto = implode(', ', array_unique($m[1]));
+
+ if ($CONFIG['smtp_log']) {
+ write_log('sendmail', sprintf("User %s [%s]; Message for %s; %s",
+ $RCMAIL->user->get_username(),
+ $_SERVER['REMOTE_ADDR'],
+ $mailto,
+ !empty($smtp_response) ? join('; ', $smtp_response) : ''));
+ }
+ }
+
+ if (is_resource($msg_body)) {
+ fclose($msg_body);
+ }
+
+ $message->_headers = array();
+ $message->headers($headers);
+
+ return $sent;
+}
+
+
+// Returns unique Message-ID
+function rcmail_gen_message_id()
+{
+ global $RCMAIL;
+
+ $local_part = md5(uniqid('rcmail'.mt_rand(),true));
+ $domain_part = $RCMAIL->user->get_username('domain');
+
+ // Try to find FQDN, some spamfilters doesn't like 'localhost' (#1486924)
+ if (!preg_match('/\.[a-z]+$/i', $domain_part)) {
+ if (($host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']))
+ && preg_match('/\.[a-z]+$/i', $host)) {
+ $domain_part = $host;
+ }
+ else if (($host = preg_replace('/:[0-9]+$/', '', $_SERVER['SERVER_NAME']))
+ && preg_match('/\.[a-z]+$/i', $host)) {
+ $domain_part = $host;
+ }
+ }
+
+ return sprintf('<%s@%s>', $local_part, $domain_part);
+}
+
+
+// Returns RFC2822 formatted current date in user's timezone
+function rcmail_user_date()
+{
+ global $RCMAIL, $CONFIG;
+
+ // get user's timezone
+ $tz = $RCMAIL->config->get_timezone();
+
+ $date = time() + $tz * 60 * 60;
+ $date = gmdate('r', $date);
+ $tz = sprintf('%+05d', intval($tz) * 100 + ($tz - intval($tz)) * 60);
+ $date = preg_replace('/[+-][0-9]{4}$/', $tz, $date);
+
+ return $date;
+}
+
+
+/**
+ * Check if working in SSL mode
+ *
+ * @param integer HTTPS port number
+ * @param boolean Enables 'use_https' option checking
+ * @return boolean
+ */
+function rcube_https_check($port=null, $use_https=true)
+{
+ global $RCMAIL;
+
+ if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off')
+ return true;
+ if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https')
+ return true;
+ if ($port && $_SERVER['SERVER_PORT'] == $port)
+ return true;
+ if ($use_https && isset($RCMAIL) && $RCMAIL->config->get('use_https'))
+ return true;
+
+ return false;
+}
+
+
+/**
+ * For backward compatibility.
+ *
+ * @global rcmail $RCMAIL
+ * @param string $var_name Variable name.
+ * @return void
+ */
+function rcube_sess_unset($var_name=null)
+{
+ global $RCMAIL;
+
+ $RCMAIL->session->remove($var_name);
+}
+
+
+/**
+ * Replaces hostname variables
+ *
+ * @param string $name Hostname
+ * @param string $host Optional IMAP hostname
+ * @return string
+ */
+function rcube_parse_host($name, $host='')
+{
+ // %n - host
+ $n = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']);
+ // %d - domain name without first part, e.g. %n=mail.domain.tld, %d=domain.tld
+ $d = preg_replace('/^[^\.]+\./', '', $n);
+ // %h - IMAP host
+ $h = $_SESSION['imap_host'] ? $_SESSION['imap_host'] : $host;
+ // %z - IMAP domain without first part, e.g. %h=imap.domain.tld, %z=domain.tld
+ $z = preg_replace('/^[^\.]+\./', '', $h);
+ // %s - domain name after the '@' from e-mail address provided at login screen. Returns FALSE if an invalid email is provided
+ if ( strpos($name, '%s') !== false ){
+ $user_email = rcube_idn_convert(get_input_value('_user', RCUBE_INPUT_POST), true);
+ if ( preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s) < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false )
+ return false;
+ }
+
+ $name = str_replace(array('%n', '%d', '%h', '%z', '%s'), array($n, $d, $h, $z, $s[2]), $name);
+ return $name;
+}
+
+
+/**
+ * E-mail address validation
+ *
+ * @param string $email Email address
+ * @param boolean $dns_check True to check dns
+ * @return boolean
+ */
+function check_email($email, $dns_check=true)
+{
+ // Check for invalid characters
+ if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $email))
+ return false;
+
+ // Check for length limit specified by RFC 5321 (#1486453)
+ if (strlen($email) > 254)
+ return false;
+
+ $email_array = explode('@', $email);
+
+ // Check that there's one @ symbol
+ if (count($email_array) < 2)
+ return false;
+
+ $domain_part = array_pop($email_array);
+ $local_part = implode('@', $email_array);
+
+ // from PEAR::Validate
+ $regexp = '&^(?:
+ ("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name
+ ([-\w!\#\$%\&\'*+~/^`|{}=]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}=]+)*)) #2 OR dot-atom (RFC5322)
+ $&xi';
+
+ if (!preg_match($regexp, $local_part))
+ return false;
+
+ // Check domain part
+ if (preg_match('/^\[*(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}\]*$/', $domain_part))
+ return true; // IP address
+ else {
+ // If not an IP address
+ $domain_array = explode('.', $domain_part);
+ if (sizeof($domain_array) < 2)
+ return false; // Not enough parts to be a valid domain
+
+ foreach ($domain_array as $part)
+ if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part))
+ return false;
+
+ if (!$dns_check || !rcmail::get_instance()->config->get('email_dns_check'))
+ return true;
+
+ if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) {
+ $lookup = array();
+ @exec("nslookup -type=MX " . escapeshellarg($domain_part) . " 2>&1", $lookup);
+ foreach ($lookup as $line) {
+ if (strpos($line, 'MX preference'))
+ return true;
+ }
+ return false;
+ }
+
+ // find MX record(s)
+ if (getmxrr($domain_part, $mx_records))
+ return true;
+
+ // find any DNS record
+ if (checkdnsrr($domain_part, 'ANY'))
+ return true;
+ }
+
+ return false;
+}
+
+/*
+ * Idn_to_ascii wrapper.
+ * Intl/Idn modules version of this function doesn't work with e-mail address
+ */
+function rcube_idn_to_ascii($str)
+{
+ return rcube_idn_convert($str, true);
+}
+
+/*
+ * Idn_to_ascii wrapper.
+ * Intl/Idn modules version of this function doesn't work with e-mail address
+ */
+function rcube_idn_to_utf8($str)
+{
+ return rcube_idn_convert($str, false);
+}