No OneTemporary
Actions

Size

67 KB

Referenced Files

None

Subscribers

None

View Options

	diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
	index 9c3598132..88b698a69 100644
	--- a/program/steps/mail/func.inc
	+++ b/program/steps/mail/func.inc
	@@ -1,1903 +1,1903 @@
	<?php

	/**
	+-----------------------------------------------------------------------+
	\| This file is part of the Roundcube Webmail client \|
	\| \|
	\| Copyright (C) The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Provide webmail functionality and GUI objects \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	\| Author: Aleksander Machniak <alec@alec.pl> \|
	+-----------------------------------------------------------------------+
	*/

	// always instantiate storage object (but not connect to server yet)
	$RCMAIL->storage_init();

	// init environment - set current folder, page, list mode
	rcmail_init_env();

	// set message set for search result
	if (!empty($_REQUEST['_search']) && isset($_SESSION['search'])
	&& $_SESSION['search_request'] == $_REQUEST['_search']
	) {
	$RCMAIL->storage->set_search_set($_SESSION['search']);

	$OUTPUT->set_env('search_request', $_REQUEST['_search']);
	$OUTPUT->set_env('search_text', $_SESSION['last_text_search']);
	}

	// remove mbox part from _uid
	if (($_uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GPC)) && !is_array($_uid) && preg_match('/^\d+-.+/', $_uid)) {
	list($_uid, $mbox) = explode('-', $_uid, 2);
	if (isset($_GET['_uid'])) $_GET['_uid'] = $_uid;
	if (isset($_POST['_uid'])) $_POST['_uid'] = $_uid;
	$_REQUEST['_uid'] = $_uid;
	unset($_uid);

	// override mbox
	if (!empty($mbox)) {
	$_GET['_mbox'] = $mbox;
	$_POST['_mbox'] = $mbox;
	$RCMAIL->storage->set_folder($_SESSION['mbox'] = $mbox);
	}
	}

	if (!empty($_SESSION['browser_caps']) && !$OUTPUT->ajax_call) {
	$OUTPUT->set_env('browser_capabilities', $_SESSION['browser_caps']);
	}

	// set main env variables, labels and page title
	if (empty($RCMAIL->action) \|\| $RCMAIL->action == 'list') {
	// connect to storage server and trigger error on failure
	$RCMAIL->storage_connect();

	$mbox_name = $RCMAIL->storage->get_folder();

	if (empty($RCMAIL->action)) {
	$OUTPUT->set_env('search_mods', rcmail_search_mods());

	$scope = rcube_utils::get_input_value('_scope', rcube_utils::INPUT_GET) ?: $_SESSION['search_scope'];
	if ($scope && preg_match('/^(all\|sub)$/i', $scope)) {
	$OUTPUT->set_env('search_scope', strtolower($scope));
	}

	rcmail_list_pagetitle();
	}

	$threading = (bool) $RCMAIL->storage->get_threading();
	$delimiter = $RCMAIL->storage->get_hierarchy_delimiter();

	// set current mailbox and some other vars in client environment
	$OUTPUT->set_env('mailbox', $mbox_name);
	$OUTPUT->set_env('pagesize', $RCMAIL->storage->get_pagesize());
	$OUTPUT->set_env('current_page', max(1, $_SESSION['page']));
	$OUTPUT->set_env('delimiter', $delimiter);
	$OUTPUT->set_env('threading', $threading);
	$OUTPUT->set_env('threads', $threading \|\| $RCMAIL->storage->get_capability('THREAD'));
	$OUTPUT->set_env('reply_all_mode', (int) $RCMAIL->config->get('reply_all_mode'));
	$OUTPUT->set_env('layout', $RCMAIL->config->get('layout') ?: 'widescreen');

	if ($RCMAIL->storage->get_capability('QUOTA')) {
	$OUTPUT->set_env('quota', true);
	}

	// set special folders
	foreach (array('drafts', 'trash', 'junk') as $mbox) {
	if ($folder = $RCMAIL->config->get($mbox . '_mbox')) {
	$OUTPUT->set_env($mbox . '_mailbox', $folder);
	}
	}

	if (!empty($_GET['_uid'])) {
	$OUTPUT->set_env('list_uid', $_GET['_uid']);
	}

	// set configuration
	$RCMAIL->set_env_config(array('delete_junk', 'flag_for_deletion', 'read_when_deleted',
	'skip_deleted', 'display_next', 'message_extwin', 'forward_attachment'));

	if (!$OUTPUT->ajax_call) {
	$OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
	'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
	'copy', 'move', 'quota', 'replyall', 'replylist', 'stillsearching',
	'flagged', 'unflagged', 'unread', 'deleted', 'replied', 'forwarded',
	'priority', 'withattachment', 'fileuploaderror', 'mark', 'markallread',
	'folders-cur', 'folders-sub', 'folders-all', 'cancel', 'bounce', 'bouncemsg',
	'sendingmessage');
	}
	}

	// register UI objects
	$OUTPUT->add_handlers(array(
	'mailboxlist' => array($RCMAIL, 'folder_list'),
	'quotadisplay' => array($RCMAIL, 'quota_display'),
	'messages' => 'rcmail_message_list',
	'messagecountdisplay' => 'rcmail_messagecount_display',
	'listmenulink' => 'rcmail_options_menu_link',
	'mailboxname' => 'rcmail_mailbox_name_display',
	'messageimportform' => 'rcmail_message_import_form',
	'searchfilter' => 'rcmail_search_filter',
	'searchinterval' => 'rcmail_search_interval',
	'searchform' => array($OUTPUT, 'search_form'),
	));

	// register action aliases
	$RCMAIL->register_action_map(array(
	'refresh' => 'check_recent.inc',
	'preview' => 'show.inc',
	'print' => 'show.inc',
	'move' => 'move_del.inc',
	'delete' => 'move_del.inc',
	'send' => 'sendmail.inc',
	'expunge' => 'folders.inc',
	'purge' => 'folders.inc',
	'remove-attachment' => 'attachments.inc',
	'rename-attachment' => 'attachments.inc',
	'display-attachment' => 'attachments.inc',
	'upload' => 'attachments.inc',
	'group-expand' => 'autocomplete.inc',
	));


	/**
	* Sets storage properties and session
	*/
	function rcmail_init_env()
	{
	global $RCMAIL;

	$default_threading = $RCMAIL->config->get('default_list_mode', 'list') == 'threads';
	$a_threading = $RCMAIL->config->get('message_threading', array());
	$message_sort_col = $RCMAIL->config->get('message_sort_col');
	$message_sort_order = $RCMAIL->config->get('message_sort_order');

	// set imap properties and session vars
	if (!strlen($mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GPC, true))) {
	$mbox = strlen($_SESSION['mbox']) ? $_SESSION['mbox'] : 'INBOX';
	}

	// we handle 'page' argument on 'list' and 'getunread' to prevent from
	// race condition and unintentional page overwrite in session
	if ($RCMAIL->action == 'list' \|\| $RCMAIL->action == 'getunread') {
	if (!($page = intval($_GET['_page']))) {
	$page = $_SESSION['page'] ?: 1;
	}

	$_SESSION['page'] = $page;
	}

	$RCMAIL->storage->set_folder($_SESSION['mbox'] = $mbox);
	$RCMAIL->storage->set_page($_SESSION['page']);

	// set default sort col/order to session
	if (!isset($_SESSION['sort_col'])) {
	$_SESSION['sort_col'] = $message_sort_col ?: '';
	}
	if (!isset($_SESSION['sort_order'])) {
	$_SESSION['sort_order'] = strtoupper($message_sort_order) == 'ASC' ? 'ASC' : 'DESC';
	}

	// set threads mode
	if (isset($_GET['_threads'])) {
	if ($_GET['_threads']) {
	// re-set current page number when listing mode changes
	if (!$a_threading[$_SESSION['mbox']]) {
	$RCMAIL->storage->set_page($_SESSION['page'] = 1);
	}

	$a_threading[$_SESSION['mbox']] = true;
	}
	else {
	// re-set current page number when listing mode changes
	if ($a_threading[$_SESSION['mbox']]) {
	$RCMAIL->storage->set_page($_SESSION['page'] = 1);
	}

	$a_threading[$_SESSION['mbox']] = false;
	}

	$RCMAIL->user->save_prefs(array('message_threading' => $a_threading));
	}

	$threading = isset($a_threading[$_SESSION['mbox']]) ? $a_threading[$_SESSION['mbox']] : $default_threading;

	$RCMAIL->storage->set_threading($threading);
	}

	/**
	* Sets page title
	*/
	function rcmail_list_pagetitle()
	{
	global $RCMAIL;

	if ($RCMAIL->output->get_env('search_request')) {
	$pagetitle = $RCMAIL->gettext('searchresult');
	}
	else {
	$mbox_name = $RCMAIL->output->get_env('mailbox') ?: $RCMAIL->storage->get_folder();
	$delimiter = $RCMAIL->storage->get_hierarchy_delimiter();
	$pagetitle = $RCMAIL->localize_foldername($mbox_name, true);
	$pagetitle = str_replace($delimiter, " \xC2\xBB ", $pagetitle);
	}

	$RCMAIL->output->set_pagetitle($pagetitle);
	}

	/**
	* Returns default search mods
	*/
	function rcmail_search_mods()
	{
	global $RCMAIL;

	$mods = $RCMAIL->config->get('search_mods');

	if (empty($mods)) {
	$mods = array('*' => array('subject' => 1, 'from' => 1));

	foreach (array('sent', 'drafts') as $mbox) {
	if ($mbox = $RCMAIL->config->get($mbox . '_mbox')) {
	$mods[$mbox] = array('subject' => 1, 'to' => 1);
	}
	}
	}

	return $mods;
	}

	/**
	* Returns 'to' if current folder is configured Sent or Drafts
	* or their subfolders, otherwise returns 'from'.
	*
	* @return string Column name
	*/
	function rcmail_message_list_smart_column_name()
	{
	global $RCMAIL;

	$delim = $RCMAIL->storage->get_hierarchy_delimiter();
	$mbox = $RCMAIL->output->get_env('mailbox') ?: $RCMAIL->storage->get_folder();
	$sent_mbox = $RCMAIL->config->get('sent_mbox');
	$drafts_mbox = $RCMAIL->config->get('drafts_mbox');

	if ((strpos($mbox.$delim, $sent_mbox.$delim) === 0 \|\| strpos($mbox.$delim, $drafts_mbox.$delim) === 0)
	&& strtoupper($mbox) != 'INBOX'
	) {
	return 'to';
	}

	return 'from';
	}

	/**
	* Returns configured messages list sorting column name
	* The name is context-sensitive, which means if sorting is set to 'fromto'
	* it will return 'from' or 'to' according to current folder type.
	*
	* @return string Column name
	*/
	function rcmail_sort_column()
	{
	global $RCMAIL;

	if (isset($_SESSION['sort_col'])) {
	$column = $_SESSION['sort_col'];
	}
	else {
	$column = $RCMAIL->config->get('message_sort_col');
	}

	// get name of smart From/To column in folder context
	if ($column == 'fromto') {
	$column = rcmail_message_list_smart_column_name();
	}

	return $column;
	}

	/**
	* Returns configured message list sorting order
	*
	* @return string Sorting order (ASC\|DESC)
	*/
	function rcmail_sort_order()
	{
	global $RCMAIL;

	if (isset($_SESSION['sort_order'])) {
	return $_SESSION['sort_order'];
	}

	return $RCMAIL->config->get('message_sort_order');
	}

	/**
	* return the message list as HTML table
	*/
	function rcmail_message_list($attrib)
	{
	global $RCMAIL, $OUTPUT;

	// add some labels to client
	$OUTPUT->add_label('from', 'to');

	// add id to message list table if not specified
	if (!strlen($attrib['id'])) {
	$attrib['id'] = 'rcubemessagelist';
	}

	// define list of cols to be displayed based on parameter or config
	if (empty($attrib['columns'])) {
	$list_cols = $RCMAIL->config->get('list_cols');
	$a_show_cols = !empty($list_cols) && is_array($list_cols) ? $list_cols : array('subject');

	$OUTPUT->set_env('col_movable', !in_array('list_cols', (array)$RCMAIL->config->get('dont_override')));
	}
	else {
	$a_show_cols = preg_split('/[\s,;]+/', str_replace(array("'", '"'), '', $attrib['columns']));
	$attrib['columns'] = $a_show_cols;
	}

	// save some variables for use in ajax list
	$_SESSION['list_attrib'] = $attrib;

	// make sure 'threads' and 'subject' columns are present
	if (!in_array('subject', $a_show_cols))
	array_unshift($a_show_cols, 'subject');
	if (!in_array('threads', $a_show_cols))
	array_unshift($a_show_cols, 'threads');

	$listcols = $a_show_cols;

	// Widescreen layout uses hardcoded list of columns
	if ($RCMAIL->config->get('layout', 'widescreen') == 'widescreen') {
	$a_show_cols = array('threads', 'subject', 'fromto', 'date', 'flag', 'attachment');
	$listcols = $a_show_cols;
	array_shift($listcols);
	}

	// set client env
	$OUTPUT->add_gui_object('messagelist', $attrib['id']);
	$OUTPUT->set_env('autoexpand_threads', intval($RCMAIL->config->get('autoexpand_threads')));
	$OUTPUT->set_env('sort_col', $_SESSION['sort_col']);
	$OUTPUT->set_env('sort_order', $_SESSION['sort_order']);
	$OUTPUT->set_env('messages', array());
	$OUTPUT->set_env('listcols', $listcols);

	$OUTPUT->include_script('list.js');

	$table = new html_table($attrib);

	if (!$attrib['noheader']) {
	foreach (rcmail_message_list_head($attrib, $a_show_cols) as $cell)
	$table->add_header(array('class' => $cell['className'], 'id' => $cell['id']), $cell['html']);
	}

	return $table->show();
	}

	/**
	* return javascript commands to add rows to the message list
	*/
	function rcmail_js_message_list($a_headers, $insert_top=false, $a_show_cols=null)
	{
	global $RCMAIL, $OUTPUT;

	if (empty($a_show_cols)) {
	if (!empty($_SESSION['list_attrib']['columns']))
	$a_show_cols = $_SESSION['list_attrib']['columns'];
	else {
	$list_cols = $RCMAIL->config->get('list_cols');
	$a_show_cols = !empty($list_cols) && is_array($list_cols) ? $list_cols : array('subject');
	}
	}
	else {
	if (!is_array($a_show_cols)) {
	$a_show_cols = preg_split('/[\s,;]+/', str_replace(array("'", '"'), '', $a_show_cols));
	}
	$head_replace = true;
	}

	$delimiter = $RCMAIL->storage->get_hierarchy_delimiter();
	$search_set = $RCMAIL->storage->get_search_set();
	$multifolder = $search_set && $search_set[1]->multi;

	// add/remove 'folder' column to the list on multi-folder searches
	if ($multifolder && !in_array('folder', $a_show_cols)) {
	$a_show_cols[] = 'folder';
	$head_replace = true;
	}
	else if (!$multifolder && ($found = array_search('folder', $a_show_cols)) !== false) {
	unset($a_show_cols[$found]);
	$head_replace = true;
	}

	$mbox = $RCMAIL->output->get_env('mailbox') ?: $RCMAIL->storage->get_folder();

	// make sure 'threads' and 'subject' columns are present
	if (!in_array('subject', $a_show_cols))
	array_unshift($a_show_cols, 'subject');
	if (!in_array('threads', $a_show_cols))
	array_unshift($a_show_cols, 'threads');

	// Make sure there are no duplicated columns (#1486999)
	$a_show_cols = array_unique($a_show_cols);
	$_SESSION['list_attrib']['columns'] = $a_show_cols;

	// Widescreen layout uses hardcoded list of columns
	if ($RCMAIL->config->get('layout', 'widescreen') == 'widescreen') {
	$a_show_cols = array('threads', 'subject', 'fromto', 'date', 'flag', 'attachment');
	}

	// Plugins may set header's list_cols/list_flags and other rcube_message_header variables
	// and list columns
	$plugin = $RCMAIL->plugins->exec_hook('messages_list',
	array('messages' => $a_headers, 'cols' => $a_show_cols));

	$a_show_cols = $plugin['cols'];
	$a_headers = $plugin['messages'];

	if ($RCMAIL->config->get('layout', 'widescreen') == 'widescreen') {
	if (!$RCMAIL->storage->get_threading()) {
	if (($idx = array_search('threads', $a_show_cols)) !== false) {
	unset($a_show_cols[$idx]);
	}
	}
	}

	$thead = $head_replace ? rcmail_message_list_head($_SESSION['list_attrib'], $a_show_cols) : NULL;

	// get name of smart From/To column in folder context
	if (array_search('fromto', $a_show_cols) !== false) {
	$smart_col = rcmail_message_list_smart_column_name();
	}

	$OUTPUT->command('set_message_coltypes', array_values($a_show_cols), $thead, $smart_col);

	if ($multifolder && $_SESSION['search_scope'] == 'all') {
	$OUTPUT->command('select_folder', '');
	}

	$OUTPUT->set_env('multifolder_listing', $multifolder);

	if (empty($a_headers)) {
	return;
	}

	// remove 'threads', 'attachment', 'flag', 'status' columns, we don't need them here
	foreach (array('threads', 'attachment', 'flag', 'status', 'priority') as $col) {
	if (($key = array_search($col, $a_show_cols)) !== FALSE) {
	unset($a_show_cols[$key]);
	}
	}

	$sort_col = $_SESSION['sort_col'];

	// loop through message headers
	foreach ($a_headers as $header) {
	if (empty($header) \|\| !$header->size) {
	continue;
	}

	// make message UIDs unique by appending the folder name
	if ($multifolder) {
	$header->uid .= '-'.$header->folder;
	$header->flags['skip_mbox_check'] = true;
	if ($header->parent_uid)
	$header->parent_uid .= '-'.$header->folder;
	}

	$a_msg_cols = array();
	$a_msg_flags = array();

	// format each col; similar as in rcmail_message_list()
	foreach ($a_show_cols as $col) {
	$col_name = $col == 'fromto' ? $smart_col : $col;

	if (in_array($col_name, array('from', 'to', 'cc', 'replyto'))) {
	$cont = rcmail_address_string($header->$col_name, 3, false, null, $header->charset);
	if (empty($cont)) $cont = ' '; // for widescreen mode
	}
	else if ($col == 'subject') {
	$cont = trim(rcube_mime::decode_header($header->$col, $header->charset));
	if (!$cont) $cont = $RCMAIL->gettext('nosubject');
	$cont = rcube::Q($cont);
	}
	else if ($col == 'size')
	$cont = $RCMAIL->show_bytes($header->$col);
	else if ($col == 'date')
	$cont = $RCMAIL->format_date($sort_col == 'arrival' ? $header->internaldate : $header->date);
	else if ($col == 'folder') {
	if ($last_folder !== $header->folder) {
	$last_folder = $header->folder;
	$last_folder_name = $RCMAIL->localize_foldername($last_folder, true);
	$last_folder_name = str_replace($delimiter, " \xC2\xBB ", $last_folder_name);
	}

	$cont = rcube::Q($last_folder_name);
	}
	else
	$cont = rcube::Q($header->$col);

	$a_msg_cols[$col] = $cont;
	}

	$a_msg_flags = array_change_key_case(array_map('intval', (array) $header->flags));
	if ($header->depth)
	$a_msg_flags['depth'] = $header->depth;
	else if ($header->has_children)
	$roots[] = $header->uid;
	if ($header->parent_uid)
	$a_msg_flags['parent_uid'] = $header->parent_uid;
	if ($header->has_children)
	$a_msg_flags['has_children'] = $header->has_children;
	if ($header->unread_children)
	$a_msg_flags['unread_children'] = $header->unread_children;
	if ($header->flagged_children)
	$a_msg_flags['flagged_children'] = $header->flagged_children;
	if ($header->others['list-post'])
	$a_msg_flags['ml'] = 1;
	if ($header->priority)
	$a_msg_flags['prio'] = (int) $header->priority;

	$a_msg_flags['ctype'] = rcube::Q($header->ctype);
	$a_msg_flags['mbox'] = $header->folder;

	// merge with plugin result (Deprecated, use $header->flags)
	if (!empty($header->list_flags) && is_array($header->list_flags))
	$a_msg_flags = array_merge($a_msg_flags, $header->list_flags);
	if (!empty($header->list_cols) && is_array($header->list_cols))
	$a_msg_cols = array_merge($a_msg_cols, $header->list_cols);

	$OUTPUT->command('add_message_row', $header->uid, $a_msg_cols, $a_msg_flags, $insert_top);
	}

	if ($RCMAIL->storage->get_threading()) {
	$OUTPUT->command('init_threads', (array) $roots, $mbox);
	}
	}

	/*
	* Creates <THEAD> for message list table
	*/
	function rcmail_message_list_head($attrib, $a_show_cols)
	{
	global $RCMAIL;

	// check to see if we have some settings for sorting
	$sort_col = $_SESSION['sort_col'];
	$sort_order = $_SESSION['sort_order'];

	$dont_override = (array) $RCMAIL->config->get('dont_override');
	$disabled_sort = in_array('message_sort_col', $dont_override);
	$disabled_order = in_array('message_sort_order', $dont_override);

	$RCMAIL->output->set_env('disabled_sort_col', $disabled_sort);
	$RCMAIL->output->set_env('disabled_sort_order', $disabled_order);

	// define sortable columns
	if ($disabled_sort)
	$a_sort_cols = $sort_col && !$disabled_order ? array($sort_col) : array();
	else
	$a_sort_cols = array('subject', 'date', 'from', 'to', 'fromto', 'size', 'cc');

	if (!empty($attrib['optionsmenuicon'])) {
	$list_menu = rcmail_options_menu_link();
	}

	$cells = $coltypes = array();

	// get name of smart From/To column in folder context
	if (array_search('fromto', $a_show_cols) !== false) {
	$smart_col = rcmail_message_list_smart_column_name();
	}

	foreach ($a_show_cols as $col) {
	$label = '';
	$sortable = false;
	$rel_col = $col == 'date' && $sort_col == 'arrival' ? 'arrival' : $col;

	// get column name
	switch ($col) {
	case 'flag':
	$col_name = html::span('flagged', $RCMAIL->gettext('flagged'));
	break;
	case 'attachment':
	case 'priority':
	$col_name = html::span($col, $RCMAIL->gettext($col));
	break;
	case 'status':
	$col_name = html::span($col, $RCMAIL->gettext('readstatus'));
	break;
	case 'threads':
	$col_name = (string) $list_menu;
	break;
	case 'fromto':
	$label = $RCMAIL->gettext($smart_col);
	$col_name = rcube::Q($label);
	break;
	default:
	$label = $RCMAIL->gettext($col);
	$col_name = rcube::Q($label);
	}

	// make sort links
	if (in_array($col, $a_sort_cols)) {
	$sortable = true;
	$col_name = html::a(array(
	'href' => "./#sort",
	'class' => 'sortcol',
	'rel' => $rel_col,
	'title' => $RCMAIL->gettext('sortby')
	), $col_name);
	}
	else if ($col_name[0] != '<') {
	$col_name = '<span class="' . $col .'">' . $col_name . '</span>';
	}

	$sort_class = $rel_col == $sort_col && !$disabled_order ? " sorted$sort_order" : '';
	$class_name = $col.$sort_class;

	// put it all together
	$cells[] = array('className' => $class_name, 'id' => "rcm$col", 'html' => $col_name);
	$coltypes[$col] = array('className' => $class_name, 'id' => "rcm$col", 'label' => $label, 'sortable' => $sortable);
	}

	$RCMAIL->output->set_env('coltypes', $coltypes);
	return $cells;
	}

	function rcmail_options_menu_link($attrib = array())
	{
	global $RCMAIL;

	$onclick = 'return ' . rcmail_output::JS_OBJECT_NAME . ".command('menu-open', 'messagelistmenu', this, event)";
	$inner = $title = $RCMAIL->gettext($attrib['label'] ?: 'listoptions');

	if (is_string($attrib['optionsmenuicon']) && $attrib['optionsmenuicon'] != 'true') {
	$inner = html::img(array('src' => $RCMAIL->output->asset_url($attrib['optionsmenuicon'], true), 'alt' => $title));
	}
	else if ($attrib['innerclass']) {
	$inner = html::span($attrib['innerclass'], $inner);
	}

	return html::a(array(
	'href' => '#list-options',
	'onclick' => $onclick,
	'class' => isset($attrib['class']) ? $attrib['class'] : 'listmenu',
	'id' => 'listmenulink',
	'title' => $title,
	'tabindex' => '0',
	), $inner);
	}

	function rcmail_messagecount_display($attrib)
	{
	global $RCMAIL;

	if (!$attrib['id']) {
	$attrib['id'] = 'rcmcountdisplay';
	}

	$RCMAIL->output->add_gui_object('countdisplay', $attrib['id']);

	$content = $RCMAIL->action != 'show' ? rcmail_get_messagecount_text() : $RCMAIL->gettext('loading');

	return html::span($attrib, $content);
	}

	function rcmail_get_messagecount_text($count = null, $page = null)
	{
	global $RCMAIL;

	if ($page === null) {
	$page = $RCMAIL->storage->get_page();
	}

	$page_size = $RCMAIL->storage->get_pagesize();
	$start_msg = ($page-1) * $page_size + 1;
	$max = $count;

	if ($max === null && $RCMAIL->action) {
	$max = $RCMAIL->storage->count(null, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
	}

	if (!$max) {
	$out = $RCMAIL->storage->get_search_set() ? $RCMAIL->gettext('nomessages') : $RCMAIL->gettext('mailboxempty');
	}
	else {
	$out = $RCMAIL->gettext(array('name' => $RCMAIL->storage->get_threading() ? 'threadsfromto' : 'messagesfromto',
	'vars' => array('from' => $start_msg,
	'to' => min($max, $start_msg + $page_size - 1),
	'count' => $max)));
	}

	return rcube::Q($out);
	}

	function rcmail_mailbox_name_display($attrib)
	{
	global $RCMAIL;

	if (!$attrib['id']) {
	$attrib['id'] = 'rcmmailboxname';
	}

	$RCMAIL->output->add_gui_object('mailboxname', $attrib['id']);

	return html::span($attrib, rcmail_get_mailbox_name_text());
	}

	function rcmail_get_mailbox_name_text()
	{
	global $RCMAIL;
	return $RCMAIL->localize_foldername($RCMAIL->output->get_env('mailbox') ?: $RCMAIL->storage->get_folder());
	}

	function rcmail_send_unread_count($mbox_name, $force=false, $count=null, $mark='')
	{
	global $RCMAIL;

	$old_unseen = rcmail_get_unseen_count($mbox_name);
	$unseen = $count;

	if ($unseen === null) {
	$unseen = $RCMAIL->storage->count($mbox_name, 'UNSEEN', $force);
	}

	if ($unseen !== $old_unseen \|\| ($mbox_name == 'INBOX')) {
	$RCMAIL->output->command('set_unread_count', $mbox_name, $unseen,
	($mbox_name == 'INBOX'), $unseen && $mark ? $mark : '');
	}

	rcmail_set_unseen_count($mbox_name, $unseen);

	return $unseen;
	}

	function rcmail_set_unseen_count($mbox_name, $count)
	{
	// @TODO: this data is doubled (session and cache tables) if caching is enabled

	// Make sure we have an array here (#1487066)
	if (!is_array($_SESSION['unseen_count'])) {
	$_SESSION['unseen_count'] = array();
	}

	$_SESSION['unseen_count'][$mbox_name] = $count;
	}

	function rcmail_get_unseen_count($mbox_name)
	{
	if (is_array($_SESSION['unseen_count']) && array_key_exists($mbox_name, $_SESSION['unseen_count'])) {
	return $_SESSION['unseen_count'][$mbox_name];
	}
	}

	/**
	* Sets message is_safe flag according to 'show_images' option value
	*
	* @param object rcube_message Message
	*/
	function rcmail_check_safe($message)
	{
	global $RCMAIL;

	if (!$message->is_safe
	&& ($show_images = $RCMAIL->config->get('show_images'))
	&& $message->has_html_part()
	) {
	switch ($show_images) {
	case 1: // known senders only
	// get default addressbook, like in addcontact.inc
	$CONTACTS = $RCMAIL->get_address_book(-1, true);

	if ($CONTACTS && $message->sender['mailto']) {
	$result = $CONTACTS->search('email', $message->sender['mailto'], 1, false);
	if ($result->count) {
	$message->set_safe(true);
	}
	}

	$RCMAIL->plugins->exec_hook('message_check_safe', array('message' => $message));
	break;

	case 2: // always
	$message->set_safe(true);
	break;
	}
	}

	return !empty($message->is_safe);
	}

	/**
	* Cleans up the given message HTML Body (for displaying)
	*
	* @param string HTML
	* @param array Display parameters
	* @param array CID map replaces (inline images)
	* @return string Clean HTML
	*/
	function rcmail_wash_html($html, $p, $cid_replaces = array())
	{
	global $REMOTE_OBJECTS, $RCMAIL;

	$p += array('safe' => false, 'inline_html' => true);

	// charset was converted to UTF-8 in rcube_storage::get_message_part(),
	// change/add charset specification in HTML accordingly,
	// washtml's DOMDocument methods cannot work without that
	$meta = '<meta charset="'.RCUBE_CHARSET.'" />';

	// remove old meta tag and add the new one, making sure
	// that it is placed in the head (#1488093)
	$html = preg_replace('/<meta[^>]+charset=[a-z0-9_"-]+[^>]*>/Ui', $meta, $html, -1, $rcount);
	if (!$rcount) {
	$html = preg_replace('/(<head[^>]*>)/Ui', '\\1'.$meta, $html, -1, $rcount);
	}
	if (!$rcount) {
	// Note: HTML without <html> tag may still be a valid input (#6713)
	if (($pos = stripos($html, '<html')) === false) {
	$html = '<html><head>' . $meta . '</head>' . $html;
	}
	else {
	$pos = strpos($html, '>', $pos);
	$html = substr_replace($html, '<head>' . $meta . '</head>', $pos + 1, 0);
	}
	}

	// clean HTML with washhtml by Frederic Motte
	$wash_opts = array(
	'show_washed' => false,
	'allow_remote' => $p['safe'],
	'blocked_src' => $RCMAIL->output->asset_url('program/resources/blocked.gif'),
	'charset' => RCUBE_CHARSET,
	'cid_map' => $cid_replaces,
	'html_elements' => array('body'),
	'css_prefix' => $p['css_prefix'],
	'container_id' => $p['container_id'],
	);

	if (!$p['inline_html']) {
	$wash_opts['html_elements'] = array('html','head','title','body','link');
	}
	if ($p['safe']) {
	$wash_opts['html_attribs'] = array('rel','type');
	}

	// overwrite washer options with options from plugins
	if (isset($p['html_elements'])) {
	$wash_opts['html_elements'] = $p['html_elements'];
	}
	if (isset($p['html_attribs'])) {
	$wash_opts['html_attribs'] = $p['html_attribs'];
	}

	// initialize HTML washer
	$washer = new rcube_washtml($wash_opts);

	if (!$p['skip_washer_form_callback']) {
	$washer->add_callback('form', 'rcmail_washtml_callback');
	}

	// allow CSS styles, will be sanitized by rcmail_washtml_callback()
	if (!$p['skip_washer_style_callback']) {
	$washer->add_callback('style', 'rcmail_washtml_callback');
	}

	// modify HTML links to open a new window if clicked
	if (!$p['skip_washer_link_callback']) {
	$washer->add_callback('a', 'rcmail_washtml_link_callback');
	$washer->add_callback('area', 'rcmail_washtml_link_callback');
	$washer->add_callback('link', 'rcmail_washtml_link_callback');
	}

	// Remove non-UTF8 characters (#1487813)
	$html = rcube_charset::clean($html);

	$html = $washer->wash($html);
	$REMOTE_OBJECTS = $washer->extlinks;

	return $html;
	}

	/**
	* Convert the given message part to proper HTML
	* which can be displayed the message view
	*
	* @param string Message part body
	* @param rcube_message_part Message part
	* @param array Display parameters array
	*
	* @return string Formatted HTML string
	*/
	function rcmail_print_body($body, $part, $p = array())
	{
	global $RCMAIL;

	// trigger plugin hook
	$data = $RCMAIL->plugins->exec_hook('message_part_before',
	array('type' => $part->ctype_secondary, 'body' => $body, 'id' => $part->mime_id)
	+ $p + array('safe' => false, 'plain' => false, 'inline_html' => true));

	// convert html to text/plain
	if ($data['plain'] && ($data['type'] == 'html' \|\| $data['type'] == 'enriched')) {
	if ($data['type'] == 'enriched') {
	$data['body'] = rcube_enriched::to_html($data['body']);
	}

	$body = $RCMAIL->html2text($data['body']);
	$part->ctype_secondary = 'plain';
	}
	// text/html
	else if ($data['type'] == 'html') {
	$body = rcmail_wash_html($data['body'], $data, $part->replaces);
	$part->ctype_secondary = $data['type'];
	}
	// text/enriched
	else if ($data['type'] == 'enriched') {
	$body = rcube_enriched::to_html($data['body']);
	$body = rcmail_wash_html($body, $data, $part->replaces);
	$part->ctype_secondary = 'html';
	}
	else {
	// assert plaintext
	$body = $data['body'];
	$part->ctype_secondary = $data['type'] = 'plain';
	}

	// free some memory (hopefully)
	unset($data['body']);

	// plaintext postprocessing
	if ($part->ctype_secondary == 'plain') {
	$flowed = $part->ctype_parameters['format'] == 'flowed';
	$delsp = $part->ctype_parameters['delsp'] == 'yes';
	$body = rcmail_plain_body($body, $flowed, $delsp);
	}

	// allow post-processing of the message body
	$data = $RCMAIL->plugins->exec_hook('message_part_after',
	array('type' => $part->ctype_secondary, 'body' => $body, 'id' => $part->mime_id) + $data);

	return $data['body'];
	}

	/**
	* Handle links and citation marks in plain text message
	*
	* @param string Plain text string
	* @param boolean Set to True if the source text is in format=flowed
	*
	* @return string Formatted HTML string
	*/
	function rcmail_plain_body($body, $flowed = false, $delsp = false)
	{
	$options = array('flowed' => $flowed, 'wrap' => !$flowed, 'replacer' => 'rcmail_string_replacer',
	'delsp' => $delsp);
	$text2html = new rcube_text2html($body, false, $options);
	$body = $text2html->get_html();

	return $body;
	}

	/**
	* Callback function for washtml cleaning class
	*/
	function rcmail_washtml_callback($tagname, $attrib, $content, $washtml)
	{
	switch ($tagname) {
	case 'form':
	$out = html::div('form', $content);
	break;

	case 'style':
	// Crazy big styles may freeze the browser (#1490539)
	// remove content with more than 5k lines
	if (substr_count($content, "\n") > 5000) {
	$out = '';
	break;
	}

	// decode all escaped entities and reduce to ascii strings
	$decoded = rcube_utils::xss_entity_decode($content);
	$stripped = preg_replace('/[^a-zA-Z\(:;]/', '', $decoded);

	// now check for evil strings like expression, behavior or url()
	if (!preg_match('/expression\|behavior\|javascript:\|import[^a]/i', $stripped)) {
	if (!$washtml->get_config('allow_remote') && preg_match('/url\((?!data:image)/', $stripped)) {
	$washtml->extlinks = true;
	}
	else {
	$out = html::tag('style', array('type' => 'text/css'), $decoded);
	}
	break;
	}

	default:
	$out = '';
	}

	return $out;
	}

	function rcmail_part_image_type($part)
	{
	$mimetype = strtolower($part->mimetype);

	// Skip TIFF/WEBP images if browser doesn't support this format
	// ...until we can convert them to JPEG
	$tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tiff']);
	$tiff_support = $tiff_support \|\| rcube_image::is_convertable('image/tiff');
	$webp_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['webp']);
	$webp_support = $webp_support \|\| rcube_image::is_convertable('image/webp');

	if ((!$tiff_support && $mimetype == 'image/tiff') \|\| (!$webp_support && $mimetype == 'image/webp')) {
	return;
	}

	// Content-Type: image/*...
	if (strpos($mimetype, 'image/') === 0) {
	return rcmail_fix_mimetype($mimetype);
	}

	// Many clients use application/octet-stream, we'll detect mimetype
	// by checking filename extension

	// Supported image filename extensions to image type map
	$types = array(
	'jpg' => 'image/jpeg',
	'jpeg' => 'image/jpeg',
	'png' => 'image/png',
	'gif' => 'image/gif',
	'bmp' => 'image/bmp',
	);
	if ($tiff_support) {
	$types['tif'] = 'image/tiff';
	$types['tiff'] = 'image/tiff';
	}
	if ($webp_support) {
	$types['webp'] = 'image/webp';
	}

	if ($part->filename
	&& $mimetype == 'application/octet-stream'
	&& preg_match('/\.([^.]+)$/i', $part->filename, $m)
	&& ($extension = strtolower($m[1]))
	&& isset($types[$extension])
	) {
	return $types[$extension];
	}
	}

	/**
	* Modify a HTML message that it can be displayed inside a HTML page
	*/
	function rcmail_html4inline($body, &$args)
	{
	$last_pos = 0;
	$cont_id = $args['container_id'] . ($args['body_class'] ? ' div.' . $args['body_class'] : '');

	// find STYLE tags
	while (($pos = stripos($body, '<style', $last_pos)) !== false && ($pos2 = stripos($body, '</style>', $pos+1))) {
	$pos = strpos($body, '>', $pos) + 1;
	$len = $pos2 - $pos;

	// replace all css definitions with #container [def]
	$styles = substr($body, $pos, $len);
	$styles = rcube_utils::mod_css_styles($styles, $cont_id, $args['safe'], $args['css_prefix']);

	$body = substr_replace($body, $styles, $pos, $len);
	$last_pos = $pos2 + strlen($styles) - $len;
	}

	$replace = array(
	// add comments around html and other tags
	'/(<!DOCTYPE[^>]*>)/i' => '<!--\\1-->',
	'/(<\?xml[^>]*>)/i' => '<!--\\1-->',
	'/(<\/?html[^>]*>)/i' => '<!--\\1-->',
	'/(<\/?head[^>]*>)/i' => '<!--\\1-->',
	'/(<title[^>]>.<\/title>)/Ui' => '<!--\\1-->',
	'/(<\/?meta[^>]*>)/i' => '<!--\\1-->',
	// quote <? of php and xml files that are specified as text/html
	'/<\?/' => '<?',
	'/\?>/' => '?>',
	);

	$regexp = '/<body([^>]*)/';

	// Handle body attributes that doesn't play nicely with div elements
	if (preg_match($regexp, $body, $m)) {
	$style = array();
	$attrs = $m[0];

	// Get bgcolor, we'll set it as background-color of the message container
	if ($m[1] && preg_match('/bgcolor=["\']([a-z0-9#]+)["\']/i', $attrs, $mb)) {
	$style['background-color'] = $mb[1];
	$attrs = preg_replace('/\s?bgcolor=["\'][a-z0-9#]+["\']/i', '', $attrs);
	}

	// Get background, we'll set it as background-image of the message container
	if ($m[1] && preg_match('/background=["\']([^"\'>\s]+)["\']/', $attrs, $mb)) {
	$style['background-image'] = 'url('.$mb[1].')';
	$attrs = preg_replace('/\s?background=["\']([^"\'>\s]+)["\']/', '', $attrs);
	}

	if (!empty($style)) {
	$body = preg_replace($regexp, rtrim($attrs), $body, 1);
	}

	// handle body styles related to background image
	if ($style['background-image']) {
	// get body style
	if (preg_match('/#'.preg_quote($cont_id, '/').'\s+\{([^}]+)}/i', $body, $m)) {
	// get background related style
	$regexp = '/(background-position\|background-repeat)\s:\s([^;]+);/i';
	if (preg_match_all($regexp, $m[1], $matches, PREG_SET_ORDER)) {
	foreach ($matches as $m) {
	$style[$m[1]] = $m[2];
	}
	}
	}
	}

	if (!empty($style)) {
	foreach ($style as $idx => $val) {
	$style[$idx] = $idx . ': ' . $val;
	}

	$args['container_attrib']['style'] = implode('; ', $style);
	}

	// replace <body> with <div>
	if (!empty($args['body_class'])) {
	$replace['/<body([^>]*)>/i'] = '<div class="' . $args['body_class'] . '"\\1>';
	}
	else {
	$replace['/<body/i'] = '<div';
	}

	$replace['/<\/body>/i'] = '</div>';
	}
	// make sure there's 'rcmBody' div, we need it for proper css modification
	// its name is hardcoded in rcmail_message_body() also
	else if (!empty($args['body_class'])) {
	$body = '<div class="' . $args['body_class'] . '">' . $body . '</div>';
	}

	// Clean up, and replace <body> with <div>
	$body = preg_replace(array_keys($replace), array_values($replace), $body);

	return $body;
	}

	/**
	* Parse link (a, link, area) attributes and set correct target
	*/
	function rcmail_washtml_link_callback($tag, $attribs, $content, $washtml)
	{
	global $RCMAIL;

	$attrib = html::parse_attrib_string($attribs);

	// Remove non-printable characters in URL (#1487805)
	if ($attrib['href']) {
	$attrib['href'] = preg_replace('/[\x00-\x1F]/', '', $attrib['href']);
	}

	if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href'])) {
	$tempurl = 'tmp-' . md5($attrib['href']) . '.css';
	$_SESSION['modcssurls'][$tempurl] = $attrib['href'];
	$attrib['href'] = $RCMAIL->url(array(
	'task' => 'utils',
	'action' => 'modcss',
	'u' => $tempurl,
	'c' => $washtml->get_config('container_id'),
	'p' => $washtml->get_config('css_prefix'),
	));
	$content = null;
	}
	else if (preg_match('/^mailto:(.+)/i', $attrib['href'], $mailto)) {
	list($mailto, $url) = explode('?', html_entity_decode($mailto[1], ENT_QUOTES, 'UTF-8'), 2);

	// #6020: use raw encoding for correct "+" character handling as specified in RFC6068
	$url = rawurldecode($url);
	$mailto = rawurldecode($mailto);
	$addresses = rcube_mime::decode_address_list($mailto, null, true);
	$mailto = array();

	// do sanity checks on recipients
	foreach ($addresses as $idx => $addr) {
	if (rcube_utils::check_email($addr['mailto'], false)) {
	$addresses[$idx] = $addr['mailto'];
	$mailto[] = $addr['string'];
	}
	else {
	unset($addresses[$idx]);
	}
	}

	if (!empty($addresses)) {
	$attrib['href'] = 'mailto:' . implode(',', $addresses);
	$attrib['onclick'] = sprintf(
	"return %s.command('compose','%s',this)",
	rcmail_output::JS_OBJECT_NAME,
	rcube::JQ(implode(',', $mailto) . ($url ? "?$url" : '')));
	}
	else {
	$attrib['href'] = '#NOP';
	$attrib['onclick'] = '';
	}
	}
	else if (empty($attrib['href']) && !isset($attrib['name'])) {
	$attrib['href'] = './#NOP';
	$attrib['onclick'] = 'return false';
	}
	else if (!empty($attrib['href']) && $attrib['href'][0] != '#') {
	$attrib['target'] = '_blank';
	}

	// Better security by adding rel="noreferrer" (#1484686)
	if (($tag == 'a' \|\| $tag == 'area') && $attrib['href'] && $attrib['href'][0] != '#') {
	$attrib['rel'] = 'noreferrer';
	}

	// allowed attributes for a\|link\|area tags
	$allow = array('href','name','target','onclick','id','class','style','title',
	'rel','type','media','alt','coords','nohref','hreflang','shape');

	return html::tag($tag, $attrib, $content, $allow);
	}

	/**
	* Decode address string and re-format it as HTML links
	*/
	function rcmail_address_string($input, $max=null, $linked=false, $addicon=null, $default_charset=null, $title=null)
	{
	global $RCMAIL, $PRINT_MODE;

	$a_parts = rcube_mime::decode_address_list($input, null, true, $default_charset);

	if (!count($a_parts)) {
	return $input;
	}

	$c = count($a_parts);
	$j = 0;
	$out = '';
	$allvalues = array();
	$show_email = $RCMAIL->config->get('message_show_email');

	if ($addicon && !isset($_SESSION['writeable_abook'])) {
	$_SESSION['writeable_abook'] = $RCMAIL->get_address_sources(true) ? true : false;
	}

	foreach ($a_parts as $part) {
	$j++;

	$name = $part['name'];
	$mailto = $part['mailto'];
	$string = $part['string'];
	$valid = rcube_utils::check_email($mailto, false);

	// phishing email prevention (#1488981), e.g. "valid@email.addr <phishing@email.addr>"
	if (!$show_email && $valid && $name && $name != $mailto && strpos($name, '@')) {
	$name = '';
	}

	// IDNA ASCII to Unicode
	if ($name == $mailto)
	$name = rcube_utils::idn_to_utf8($name);
	if ($string == $mailto)
	$string = rcube_utils::idn_to_utf8($string);
	$mailto = rcube_utils::idn_to_utf8($mailto);

	if ($PRINT_MODE) {
	$address = sprintf('%s <%s>', rcube::Q($name), rcube::Q($mailto));
	}
	else if ($valid) {
	if ($linked) {
	$attrs = array(
	'href' => 'mailto:' . $mailto,
	'class' => 'rcmContactAddress',
	'onclick' => sprintf("return %s.command('compose','%s',this)",
	rcmail_output::JS_OBJECT_NAME, rcube::JQ(format_email_recipient($mailto, $name))),
	);

	if ($show_email && $name && $mailto) {
	$content = rcube::Q($name ? sprintf('%s <%s>', $name, $mailto) : $mailto);
	}
	else {
	$content = rcube::Q($name ?: $mailto);
	$attrs['title'] = $mailto;
	}

	$address = html::a($attrs, $content);
	}
	else {
	$address = html::span(array('title' => $mailto, 'class' => "rcmContactAddress"),
	rcube::Q($name ?: $mailto));
	}

	if ($addicon && $_SESSION['writeable_abook']) {
	$label = $RCMAIL->gettext('addtoaddressbook');
	$icon = html::img(array(
	'src' => $RCMAIL->output->asset_url($addicon, true),
	'alt' => $label,
	'class' => 'noselect',
	));
	$address .= html::a(array(
	'href' => "#add",
	'title' => $label,
	'class' => 'rcmaddcontact',
	'onclick' => sprintf("return %s.command('add-contact','%s',this)",
	rcmail_output::JS_OBJECT_NAME, rcube::JQ($string)),
	),
	$addicon == 'virtual' ? '' : $icon
	);
	}
	}
	else {
	$address = $name ? rcube::Q($name) : '';
	if ($mailto) {
	$address = trim($address . ' ' . rcube::Q($name ? sprintf('<%s>', $mailto) : $mailto));
	}
	}

	$address = html::span('adr', $address);
	$allvalues[] = $address;

	if (!$moreadrs) {
	$out .= ($out ? ', ' : '') . $address;
	}

	if ($max && $j == $max && $c > $j) {
	if ($linked) {
	$moreadrs = $c - $j;
	}
	else {
	$out .= '...';
	break;
	}
	}
	}

	if ($moreadrs) {
	$label = rcube::Q($RCMAIL->gettext(array('name' => 'andnmore', 'vars' => array('nr' => $moreadrs))));

	if ($PRINT_MODE) {
	$out .= ' ' . html::a(array(
	'href' => '#more',
	'class' => 'morelink',
	'onclick' => '$(this).hide().next().show()',
	), $label)
	. html::span(array('style' => 'display:none'), join(', ', $allvalues));
	}
	else {
	$out .= ' ' . html::a(array(
	'href' => '#more',
	'class' => 'morelink',
	'onclick' => sprintf("return %s.show_popup_dialog('%s','%s')",
	rcmail_output::JS_OBJECT_NAME,
	rcube::JQ(join(', ', $allvalues)),
	rcube::JQ($title))
	), $label);
	}
	}

	return $out;
	}

	/**
	* Wrap text to a given number of characters per line
	* but respect the mail quotation of replies messages (>).
	* Finally add another quotation level by prepending the lines
	* with >
	*
	* @param string Text to wrap
	* @param int The line width
	* @param bool Enable quote indentation
	* @return string The wrapped text
	*/
	function rcmail_wrap_and_quote($text, $length = 72, $quote = true)
	{
	// Rebuild the message body with a maximum of $max chars, while keeping quoted message.
	$max = max(75, $length + 8);
	$lines = preg_split('/\r?\n/', trim($text));
	$out = '';

	foreach ($lines as $line) {
	// don't wrap already quoted lines
	if ($line[0] == '>') {
	$line = rtrim($line);
	if ($quote) {
	$line = '>' . $line;
	}
	}
	// wrap lines above the length limit, but skip these
	// special lines with links list created by rcube_html2text
	else if (mb_strlen($line) > $max && !preg_match('\|^\[[0-9]+\] https?://\S+$\|', $line)) {
	$newline = '';

	foreach (explode("\n", rcube_mime::wordwrap($line, $length - 2)) as $l) {
	if ($quote) {
	$newline .= strlen($l) ? "> $l\n" : ">\n";
	}
	else {
	$newline .= "$l\n";
	}
	}

	$line = rtrim($newline);
	}
	else if ($quote) {
	$line = '> ' . $line;
	}

	// Append the line
	$out .= $line . "\n";
	}

	return rtrim($out, "\n");
	}

	/**
	* Send the MDN response
	*
	* @param mixed $message Original message object (rcube_message) or UID
	* @param array $smtp_error SMTP error array (reference)
	*
	* @return boolean Send status
	*/
	function rcmail_send_mdn($message, &$smtp_error)
	{
	global $RCMAIL;

	if (!is_object($message) \|\| !is_a($message, 'rcube_message')) {
	$message = new rcube_message($message);
	}

	if ($message->headers->mdn_to && empty($message->headers->flags['MDNSENT']) &&
	($RCMAIL->storage->check_permflag('MDNSENT') \|\| $RCMAIL->storage->check_permflag('*'))
	) {
	$identity = rcmail_sendmail::identity_select($message);
	$sender = format_email_recipient($identity['email'], $identity['name']);
	$recipient = array_shift(rcube_mime::decode_address_list(
	$message->headers->mdn_to, 1, true, $message->headers->charset));
	$mailto = $recipient['mailto'];

	$compose = new Mail_mime("\r\n");

	$compose->setParam('text_encoding', 'quoted-printable');
	$compose->setParam('html_encoding', 'quoted-printable');
	$compose->setParam('head_encoding', 'quoted-printable');
	$compose->setParam('head_charset', RCUBE_CHARSET);
	$compose->setParam('html_charset', RCUBE_CHARSET);
	$compose->setParam('text_charset', RCUBE_CHARSET);

	// compose headers array
	$headers = array(
	'Date' => $RCMAIL->user_date(),
	'From' => $sender,
	'To' => $message->headers->mdn_to,
	'Subject' => $RCMAIL->gettext('receiptread') . ': ' . $message->subject,
	'Message-ID' => $RCMAIL->gen_message_id($identity['email']),
	'X-Sender' => $identity['email'],
	'References' => trim($message->headers->references . ' ' . $message->headers->messageID),
	'In-Reply-To' => $message->headers->messageID,
	);

	$report = "Final-Recipient: rfc822; {$identity['email']}\r\n"
	. "Original-Message-ID: {$message->headers->messageID}\r\n"
	. "Disposition: manual-action/MDN-sent-manually; displayed\r\n";

	if ($message->headers->to) {
	$report .= "Original-Recipient: {$message->headers->to}\r\n";
	}

	if ($agent = $RCMAIL->config->get('useragent')) {
	$headers['User-Agent'] = $agent;
	$report .= "Reporting-UA: $agent\r\n";
	}

	$to = rcube_mime::decode_mime_string($message->headers->to, $message->headers->charset);
	$date = $RCMAIL->format_date($message->headers->date, $RCMAIL->config->get('date_long'));
	$body = $RCMAIL->gettext("yourmessage") . "\r\n\r\n" .
	"\t" . $RCMAIL->gettext("to") . ": {$to}\r\n" .
	"\t" . $RCMAIL->gettext("subject") . ": {$message->subject}\r\n" .
	"\t" . $RCMAIL->gettext("date") . ": {$date}\r\n" .
	"\r\n" . $RCMAIL->gettext("receiptnote");

	$compose->headers(array_filter($headers));
	$compose->setContentType('multipart/report', array('report-type'=> 'disposition-notification'));
	$compose->setTXTBody(rcube_mime::wordwrap($body, 75, "\r\n"));
	$compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');

	// SMTP options
	$options = array('mdn_use_from' => (bool) $RCMAIL->config->get('mdn_use_from'));

	$sent = $RCMAIL->deliver_message($compose, $identity['email'], $mailto, $smtp_error, $body_file, $options, true);

	if ($sent) {
	$RCMAIL->storage->set_flag($message->uid, 'MDNSENT');
	return true;
	}
	}

	return false;
	}

	/**
	* Detect recipient identity from specified message
	* @deprecated Use rcmail_sendmail::identity_select()
	*/
	function rcmail_identity_select($MESSAGE, $identities = null, $compose_mode = 'reply')
	{
	return rcmail_sendmail::identity_select($MESSAGE, $identities, $compose_mode);
	}

	// Fixes some content-type names
	function rcmail_fix_mimetype($name)
	{
	$map = array(
	'image/x-ms-bmp' => 'image/bmp', // #1490282
	);

	$name = strtolower($name);

	if ($alias = $map[$name]) {
	$name = $alias;
	}
	// Some versions of Outlook create garbage Content-Type:
	// application/pdf.A520491B_3BF7_494D_8855_7FAC2C6C0608
	else if (preg_match('/^application\/pdf.+/', $name)) {
	$name = 'application/pdf';
	}
	// treat image/pjpeg (image/pjpg, image/jpg) as image/jpeg (#1489097)
	else if (preg_match('/^image\/p?jpe?g$/', $name)) {
	$name = 'image/jpeg';
	}

	return $name;
	}

	// return attachment filename, handle empty filename case
	function rcmail_attachment_name($attachment, $display = false)
	{
	global $RCMAIL;

	$filename = (string) $attachment->filename;
	$filename = str_replace(array("\r", "\n"), '', $filename);

	if ($filename === '') {
	if ($attachment->mimetype == 'text/html') {
	$filename = $RCMAIL->gettext('htmlmessage');
	}
	else {
	$ext = (array) rcube_mime::get_mime_extensions($attachment->mimetype);
	$ext = array_shift($ext);
	$filename = $RCMAIL->gettext('messagepart') . ' ' . $attachment->mime_id;
	if ($ext) {
	$filename .= '.' . $ext;
	}
	}
	}

	// Display smart names for some known mimetypes
	if ($display) {
	if (preg_match('/application\/(pgp\|pkcs7)-signature/i', $attachment->mimetype)) {
	$filename = $RCMAIL->gettext('digitalsig');
	}
	}

	return $filename;
	}

	function rcmail_search_filter($attrib)
	{
	global $RCMAIL;

	if (!strlen($attrib['id'])) {
	$attrib['id'] = 'rcmlistfilter';
	}

	if (!rcube_utils::get_boolean($attrib['noevent'])) {
	$attrib['onchange'] = rcmail_output::JS_OBJECT_NAME.'.filter_mailbox(this.value)';
	}

	// Content-Type values of messages with attachments
	// the same as in app.js:add_message_row()
	$ctypes = array('application/', 'multipart/m', 'multipart/signed', 'multipart/report');

	// Build search string of "with attachment" filter
	$attachment = trim(str_repeat(' OR', count($ctypes)-1));
	foreach ($ctypes as $type) {
	$attachment .= ' HEADER Content-Type ' . rcube_imap_generic::escape($type);
	}

	$select = new html_select($attrib);
	$select->add($RCMAIL->gettext('all'), 'ALL');
	$select->add($RCMAIL->gettext('unread'), 'UNSEEN');
	$select->add($RCMAIL->gettext('flagged'), 'FLAGGED');
	$select->add($RCMAIL->gettext('unanswered'), 'UNANSWERED');
	if (!$RCMAIL->config->get('skip_deleted')) {
	$select->add($RCMAIL->gettext('deleted'), 'DELETED');
	$select->add($RCMAIL->gettext('undeleted'), 'UNDELETED');
	}
	$select->add($RCMAIL->gettext('withattachment'), $attachment);
	$select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('highest'), 'HEADER X-PRIORITY 1');
	$select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('high'), 'HEADER X-PRIORITY 2');
	$select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('normal'), 'NOT HEADER X-PRIORITY 1 NOT HEADER X-PRIORITY 2 NOT HEADER X-PRIORITY 4 NOT HEADER X-PRIORITY 5');
	$select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('low'), 'HEADER X-PRIORITY 4');
	$select->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('lowest'), 'HEADER X-PRIORITY 5');

	$RCMAIL->output->add_gui_object('search_filter', $attrib['id']);

	$selected = rcube_utils::get_input_value('_filter', rcube_utils::INPUT_GET);

	if (!$selected && $_REQUEST['_search']) {
	$selected = $_SESSION['search_filter'];
	}

	return $select->show($selected ?: 'ALL');
	}

	function rcmail_search_interval($attrib)
	{
	global $RCMAIL;

	if (!strlen($attrib['id'])) {
	$attrib['id'] = 'rcmsearchinterval';
	}

	$select = new html_select($attrib);
	$select->add('', '');

	foreach (array('1W', '1M', '1Y', '-1W', '-1M', '-1Y') as $value) {
	$select->add($RCMAIL->gettext('searchinterval' . $value), $value);
	}

	$RCMAIL->output->add_gui_object('search_interval', $attrib['id']);

	return $select->show($_REQUEST['_search'] ? $_SESSION['search_interval'] : '');
	}

	function rcmail_message_error()
	{
	global $RCMAIL;

	// ... display message error page
	if ($RCMAIL->output->template_exists('messageerror')) {
	// Set env variables for messageerror.html template
	if ($RCMAIL->action == 'show') {
	$mbox_name = $RCMAIL->storage->get_folder();

	$RCMAIL->output->set_env('mailbox', $mbox_name);
	$RCMAIL->output->set_env('uid', null);
	}

	$RCMAIL->output->show_message('messageopenerror', 'error');
	$RCMAIL->output->send('messageerror');
	}
	else {
	$RCMAIL->raise_error(array('code' => 410), false, true);
	}
	}

	function rcmail_message_import_form($attrib = array())
	{
	global $RCMAIL;

	$RCMAIL->output->add_label('selectimportfile', 'importwait', 'importmessages', 'import');

	$description = $RCMAIL->gettext('mailimportdesc');
	$input_attr = array(
	'multiple' => true,
	'name' => '_file[]',
	- 'accept' => '.eml, .mbox, .msg, message/rfc822, text/*',
	+ 'accept' => '.eml,.mbox,.msg,message/rfc822,text/*',
	);

	if (class_exists('ZipArchive', false)) {
	- $input_attr['accept'] .= '.zip, application/zip, application/x-zip';
	+ $input_attr['accept'] .= '.zip,application/zip,application/x-zip';
	$description .= ' ' . $RCMAIL->gettext('mailimportzip');
	}

	$attrib['prefix'] = html::tag('input', array('type' => 'hidden', 'name' => '_unlock', 'value' => ''))
	. html::tag('input', array('type' => 'hidden', 'name' => '_framed', 'value' => '1'))
	. html::p(null, $description);

	return $RCMAIL->upload_form($attrib, 'importform', 'import-messages', $input_attr);
	}

	/**
	* Add groups from the given address source to the address book widget
	*/
	function rcmail_compose_contact_groups($abook, $source_id, $search = null, $search_mode = 0)
	{
	global $RCMAIL, $OUTPUT;

	$jsresult = array();
	foreach ($abook->list_groups($search, $search_mode) as $group) {
	$abook->reset();
	$abook->set_group($group['ID']);

	// group (distribution list) with email address(es)
	if ($group['email']) {
	foreach ((array)$group['email'] as $email) {
	$row_id = 'G'.$group['ID'];
	$jsresult[$row_id] = format_email_recipient($email, $group['name']);
	$OUTPUT->command('add_contact_row', $row_id, array(
	'contactgroup' => html::span(array('title' => $email), rcube::Q($group['name']))), 'group');
	}
	}
	// make virtual groups clickable to list their members
	else if ($group['virtual']) {
	$row_id = 'G'.$group['ID'];
	$OUTPUT->command('add_contact_row', $row_id, array(
	'contactgroup' => html::a(array(
	'href' => '#list',
	'rel' => $group['ID'],
	'title' => $RCMAIL->gettext('listgroup'),
	'onclick' => sprintf("return %s.command('pushgroup',{'source':'%s','id':'%s'},this,event)",
	rcmail_output::JS_OBJECT_NAME, $source_id, $group['ID']),
	), rcube::Q($group['name']) . ' ' . html::span('action', '»'))),
	'group',
	array('ID' => $group['ID'], 'name' => $group['name'], 'virtual' => true));
	}
	// show group with count
	else if (($result = $abook->count()) && $result->count) {
	$row_id = 'E'.$group['ID'];
	$jsresult[$row_id] = $group['name'];
	$OUTPUT->command('add_contact_row', $row_id, array(
	'contactgroup' => rcube::Q($group['name'] . ' (' . intval($result->count) . ')')), 'group');
	}
	}

	$abook->reset();
	$abook->set_group(0);

	return $jsresult;
	}

	function rcmail_save_attachment($message, $pid, $compose_id, $params = array())
	{
	global $COMPOSE;

	$rcmail = rcmail::get_instance();
	$storage = $rcmail->get_storage();

	if ($pid) {
	// attachment requested
	$part = $message->mime_parts[$pid];
	$size = $part->size;
	$mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
	$filename = $params['filename'] ?: rcmail_attachment_name($part);
	}
	else if (is_object($message)) {
	// the whole message requested
	$size = $message->size;
	$mimetype = 'message/rfc822';
	$filename = $params['filename'] ?: 'message_rfc822.eml';
	}
	else if (is_string($message)) {
	// the whole message requested
	$size = strlen($message);
	$data = $message;
	$mimetype = $params['mimetype'];
	$filename = $params['filename'];
	}

	if (!isset($data)) {
	// don't load too big attachments into memory
	if (!rcube_utils::mem_check($size)) {
	$path = rcube_utils::temp_filename('attmnt');

	if ($fp = fopen($path, 'w')) {
	if ($pid) {
	// part body
	$message->get_part_body($pid, false, 0, $fp);
	}
	else {
	// complete message
	$storage->get_raw_body($message->uid, $fp);
	}

	fclose($fp);
	}
	else {
	return false;
	}
	}
	else if ($pid) {
	// part body
	$data = $message->get_part_body($pid);
	}
	else {
	// complete message
	$data = $storage->get_raw_body($message->uid);
	}
	}

	$attachment = array(
	'group' => $compose_id,
	'name' => $filename,
	'mimetype' => $mimetype,
	'content_id' => $part ? $part->content_id : null,
	'data' => $data,
	'path' => $path,
	'size' => $path ? filesize($path) : strlen($data),
	'charset' => $part ? $part->charset : $params['charset'],
	);

	$attachment = $rcmail->plugins->exec_hook('attachment_save', $attachment);

	if ($attachment['status']) {
	unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);

	// rcube_session::append() replaces current session data with the old values
	// (in rcube_session::reload()). This is a problem in 'compose' action, because before
	// the first append() use we set some important data in the session.
	// It also overwrites attachments list. Fixing reload() is not so simple if possible
	// as we don't really know what has been added and what removed in meantime.
	// So, for now we'll do not use append() on 'compose' action (#1490608).

	if ($rcmail->action == 'compose') {
	$COMPOSE['attachments'][$attachment['id']] = $attachment;
	}
	else {
	$rcmail->session->append('compose_data_' . $compose_id . '.attachments', $attachment['id'], $attachment);
	}

	return $attachment;
	}
	else if ($path) {
	@unlink($path);
	}

	return false;
	}

	// Return mimetypes supported by the browser
	function rcmail_supported_mimetypes()
	{
	$rcmail = rcube::get_instance();

	// mimetypes supported by the browser (default settings)
	$mimetypes = (array) $rcmail->config->get('client_mimetypes');

	// Remove unsupported types, which makes that attachment which cannot be
	// displayed in a browser will be downloaded directly without displaying an overlay page
	if (empty($_SESSION['browser_caps']['pdf']) && ($key = array_search('application/pdf', $mimetypes)) !== false) {
	unset($mimetypes[$key]);
	}

	if (empty($_SESSION['browser_caps']['flash']) && ($key = array_search('application/x-shockwave-flash', $mimetypes)) !== false) {
	unset($mimetypes[$key]);
	}

	foreach (array('tiff', 'webp') as $type) {
	if (empty($_SESSION['browser_caps'][$type]) && ($key = array_search('image/' . $type, $mimetypes)) !== false) {
	// can we convert it to jpeg?
	if (!rcube_image::is_convertable('image/' . $type)) {
	unset($mimetypes[$key]);
	}
	}
	}

	// @TODO: support mail preview for compose attachments
	if ($rcmail->action != 'compose' && !in_array('message/rfc822', $mimetypes)) {
	$mimetypes[] = 'message/rfc822';
	}

	return array_values($mimetypes);
	}

File Metadata

Mime Type: text/x-diff
Expires: Sat, Jan 10, 4:56 PM (22 h, 7 m)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 421624
Default Alt Text: (67 KB)

No OneTemporaryActions

View Options

File Metadata

Event Timeline

No OneTemporary
Actions