githubFork/roundcubemail.git

Fix handling of message/rfc822 attachments on replies and forwards (#1490607)

Aleksander Machniak

2015-12-17 5579ef662197029afbf90d7bc2bfb5ba594475ac

commit \| author \| age
4e17e6	1	<?php
T	2
	3	/*
	4	+-----------------------------------------------------------------------+
	5	\| program/steps/mail/func.inc \|
	6	\| \|
e019f2	7	\| This file is part of the Roundcube Webmail client \|
700e3c	8	\| Copyright (C) 2005-2014, The Roundcube Dev Team \|
7fe381	9	\| \|
T	10	\| Licensed under the GNU General Public License version 3 or \|
	11	\| any later version with exceptions for skins & plugins. \|
	12	\| See the README file for a full license statement. \|
4e17e6	13	\| \|
T	14	\| PURPOSE: \|
	15	\| Provide webmail functionality and GUI objects \|
	16	\| \|
	17	+-----------------------------------------------------------------------+
	18	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
f5d2ee	19	\| Author: Aleksander Machniak <alec@alec.pl> \|
4e17e6	20	+-----------------------------------------------------------------------+
T	21	*/
39cd51	22
c321a9	23	// always instantiate storage object (but not connect to server yet)
T	24	$RCMAIL->storage_init();
39cd51	25
54b479	26	// init environment - set current folder, page, list mode
AM	27	rcmail_init_env();
f52c93	28
2bca6e	29	// set message set for search result
f6aac3	30	if (!empty($_REQUEST['_search']) && isset($_SESSION['search'])
A	31	&& $_SESSION['search_request'] == $_REQUEST['_search']
	32	) {
f5d2ee	33	$RCMAIL->storage->set_search_set($_SESSION['search']);
AM	34
	35	$OUTPUT->set_env('search_request', $_REQUEST['_search']);
	36	$OUTPUT->set_env('search_text', $_SESSION['last_text_search']);
f6aac3	37	}
4e17e6	38
293d61	39	if (!empty($_SESSION['browser_caps']) && !$OUTPUT->ajax_call) {
AM	40	$OUTPUT->set_env('browser_capabilities', $_SESSION['browser_caps']);
	41	}
	42
528514	43	// set main env variables, labels and page title
f6aac3	44	if (empty($RCMAIL->action) \|\| $RCMAIL->action == 'list') {
f5d2ee	45	// connect to storage server and trigger error on failure
AM	46	$RCMAIL->storage_connect();
464a0f	47
f5d2ee	48	$mbox_name = $RCMAIL->storage->get_folder();
8abda5	49
f5d2ee	50	if (empty($RCMAIL->action)) {
AM	51	// initialize searching result if search_filter is used
	52	if ($_SESSION['search_filter'] && $_SESSION['search_filter'] != 'ALL') {
	53	$RCMAIL->storage->search($mbox_name, $_SESSION['search_filter'], RCUBE_CHARSET, rcmail_sort_column());
9800a8	54
f5d2ee	55	$search_request = md5($mbox_name.$_SESSION['search_filter']);
AM	56	$_SESSION['search'] = $RCMAIL->storage->get_search_set();
	57	$_SESSION['search_request'] = $search_request;
	58
	59	$OUTPUT->set_env('search_request', $search_request);
	60	}
	61
	62	$OUTPUT->set_env('search_mods', rcmail_search_mods());
40c45e	63	}
9800a8	64
f5d2ee	65	$threading = (bool) $RCMAIL->storage->get_threading();
AM	66	$delimiter = $RCMAIL->storage->get_hierarchy_delimiter();
9800a8	67
f5d2ee	68	// set current mailbox and some other vars in client environment
AM	69	$OUTPUT->set_env('mailbox', $mbox_name);
	70	$OUTPUT->set_env('pagesize', $RCMAIL->storage->get_pagesize());
	71	$OUTPUT->set_env('delimiter', $delimiter);
	72	$OUTPUT->set_env('threading', $threading);
	73	$OUTPUT->set_env('threads', $threading \|\| $RCMAIL->storage->get_capability('THREAD'));
	74	$OUTPUT->set_env('reply_all_mode', (int) $RCMAIL->config->get('reply_all_mode'));
	75	$OUTPUT->set_env('preview_pane_mark_read', $RCMAIL->config->get('preview_pane_mark_read', 0));
c321a9	76
f5d2ee	77	if ($RCMAIL->storage->get_capability('QUOTA')) {
AM	78	$OUTPUT->set_env('quota', true);
	79	}
528514	80
f5d2ee	81	// set special folders
AM	82	foreach (array('drafts', 'trash', 'junk') as $mbox) {
	83	if ($folder = $RCMAIL->config->get($mbox . '_mbox')) {
	84	$OUTPUT->set_env($mbox . '_mailbox', $folder);
	85	}
	86	}
271efe	87
f5d2ee	88	// set configuration
AM	89	$RCMAIL->set_env_config(array('delete_junk', 'flag_for_deletion', 'read_when_deleted',
39bd9b	90	'skip_deleted', 'display_next', 'message_extwin', 'forward_attachment'));
e349a8	91
f5d2ee	92	if (!$OUTPUT->ajax_call) {
AM	93	$OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
	94	'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
8d3b27	95	'copy', 'move', 'quota', 'replyall', 'replylist');
f5d2ee	96	}
528514	97
4c7daf	98	$pagetitle = $RCMAIL->localize_foldername($mbox_name, true);
f5d2ee	99	$pagetitle = str_replace($delimiter, " \xC2\xBB ", $pagetitle);
4d7964	100
f5d2ee	101	$OUTPUT->set_pagetitle($pagetitle);
f6aac3	102	}
5eee00	103
049428	104	// register UI objects
AM	105	$OUTPUT->add_handlers(array(
f5d2ee	106	'mailboxlist' => array($RCMAIL, 'folder_list'),
AM	107	'quotadisplay' => array($RCMAIL, 'quota_display'),
	108	'messages' => 'rcmail_message_list',
	109	'messagecountdisplay' => 'rcmail_messagecount_display',
	110	'mailboxname' => 'rcmail_mailbox_name_display',
	111	'messageheaders' => 'rcmail_message_headers',
	112	'messagefullheaders' => 'rcmail_message_full_headers',
	113	'messagebody' => 'rcmail_message_body',
	114	'messagecontentframe' => 'rcmail_messagecontent_frame',
	115	'messageimportform' => 'rcmail_message_import_form',
	116	'searchfilter' => 'rcmail_search_filter',
	117	'searchform' => array($OUTPUT, 'search_form'),
049428	118	));
AM	119
	120	// register action aliases
	121	$RCMAIL->register_action_map(array(
	122	'refresh' => 'check_recent.inc',
	123	'preview' => 'show.inc',
	124	'print' => 'show.inc',
a45f9b	125	'move' => 'move_del.inc',
049428	126	'delete' => 'move_del.inc',
AM	127	'send' => 'sendmail.inc',
	128	'expunge' => 'folders.inc',
	129	'purge' => 'folders.inc',
	130	'remove-attachment' => 'attachments.inc',
	131	'display-attachment' => 'attachments.inc',
	132	'upload' => 'attachments.inc',
	133	'group-expand' => 'autocomplete.inc',
	134	));
	135
	136
	137
e0efd8	138	/**
54b479	139	* Sets storage properties and session
AM	140	*/
	141	function rcmail_init_env()
	142	{
	143	global $RCMAIL;
	144
d17496	145	$default_threading = $RCMAIL->config->get('default_list_mode', 'list') == 'threads';
54b479	146	$a_threading = $RCMAIL->config->get('message_threading', array());
AM	147	$message_sort_col = $RCMAIL->config->get('message_sort_col');
	148	$message_sort_order = $RCMAIL->config->get('message_sort_order');
	149
	150	// set imap properties and session vars
	151	if (!strlen($mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GPC, true))) {
	152	$mbox = strlen($_SESSION['mbox']) ? $_SESSION['mbox'] : 'INBOX';
	153	}
	154	if (!($page = intval($_GET['_page']))) {
	155	$page = $_SESSION['page'] ? $_SESSION['page'] : 1;
	156	}
	157
	158	$RCMAIL->storage->set_folder($_SESSION['mbox'] = $mbox);
	159	$RCMAIL->storage->set_page($_SESSION['page'] = $page);
	160
	161	// set default sort col/order to session
	162	if (!isset($_SESSION['sort_col'])) {
	163	$_SESSION['sort_col'] = $message_sort_col ? $message_sort_col : '';
	164	}
	165	if (!isset($_SESSION['sort_order'])) {
	166	$_SESSION['sort_order'] = strtoupper($message_sort_order) == 'ASC' ? 'ASC' : 'DESC';
	167	}
	168
	169	// set threads mode
	170	if (isset($_GET['_threads'])) {
	171	if ($_GET['_threads']) {
	172	// re-set current page number when listing mode changes
	173	if (!$a_threading[$_SESSION['mbox']]) {
	174	$RCMAIL->storage->set_page($_SESSION['page'] = 1);
	175	}
	176
	177	$a_threading[$_SESSION['mbox']] = true;
	178	}
	179	else {
	180	// re-set current page number when listing mode changes
	181	if ($a_threading[$_SESSION['mbox']]) {
	182	$RCMAIL->storage->set_page($_SESSION['page'] = 1);
	183	}
	184
d17496	185	$a_threading[$_SESSION['mbox']] = false;
54b479	186	}
AM	187
	188	$RCMAIL->user->save_prefs(array('message_threading' => $a_threading));
	189	}
	190
d17496	191	$threading = isset($a_threading[$_SESSION['mbox']]) ? $a_threading[$_SESSION['mbox']] : $default_threading;
AM	192
	193	$RCMAIL->storage->set_threading($threading);
54b479	194	}
AM	195
	196	/**
f5d2ee	197	* Returns default search mods
AM	198	*/
	199	function rcmail_search_mods()
	200	{
	201	global $RCMAIL;
	202
	203	$mods = $RCMAIL->config->get('search_mods');
	204
	205	if (empty($mods)) {
	206	$mods = array('*' => array('subject' => 1, 'from' => 1));
	207
	208	foreach (array('sent', 'drafts') as $mbox) {
	209	if ($mbox = $RCMAIL->config->get($mbox . '_mbox')) {
	210	$mods[$mbox] = array('subject' => 1, 'to' => 1);
	211	}
	212	}
	213	}
	214
	215	return $mods;
	216	}
	217
	218	/**
e0efd8	219	* Returns 'to' if current folder is configured Sent or Drafts
AM	220	* or their subfolders, otherwise returns 'from'.
	221	*
	222	* @return string Column name
	223	*/
	224	function rcmail_message_list_smart_column_name()
	225	{
f5d2ee	226	global $RCMAIL;
e0efd8	227
f5d2ee	228	$delim = $RCMAIL->storage->get_hierarchy_delimiter();
AM	229	$mbox = $RCMAIL->storage->get_folder();
	230	$sent_mbox = $RCMAIL->config->get('sent_mbox');
	231	$drafts_mbox = $RCMAIL->config->get('drafts_mbox');
e0efd8	232
f5d2ee	233	if ((strpos($mbox.$delim, $sent_mbox.$delim) === 0 \|\| strpos($mbox.$delim, $drafts_mbox.$delim) === 0)
AM	234	&& strtoupper($mbox) != 'INBOX'
	235	) {
	236	return 'to';
	237	}
e0efd8	238
f5d2ee	239	return 'from';
e0efd8	240	}
AM	241
	242	/**
	243	* Returns configured messages list sorting column name
	244	* The name is context-sensitive, which means if sorting is set to 'fromto'
	245	* it will return 'from' or 'to' according to current folder type.
	246	*
	247	* @return string Column name
	248	*/
	249	function rcmail_sort_column()
	250	{
f5d2ee	251	global $RCMAIL;
e0efd8	252
f5d2ee	253	if (isset($_SESSION['sort_col'])) {
AM	254	$column = $_SESSION['sort_col'];
	255	}
	256	else {
	257	$column = $RCMAIL->config->get('message_sort_col');
	258	}
e0efd8	259
f5d2ee	260	// get name of smart From/To column in folder context
AM	261	if ($column == 'fromto') {
	262	$column = rcmail_message_list_smart_column_name();
	263	}
e0efd8	264
f5d2ee	265	return $column;
e0efd8	266	}
AM	267
	268	/**
	269	* Returns configured message list sorting order
	270	*
	271	* @return string Sorting order (ASC\|DESC)
	272	*/
	273	function rcmail_sort_order()
	274	{
f5d2ee	275	global $RCMAIL;
e0efd8	276
f5d2ee	277	if (isset($_SESSION['sort_order'])) {
AM	278	return $_SESSION['sort_order'];
	279	}
e0efd8	280
f5d2ee	281	return $RCMAIL->config->get('message_sort_order');
e0efd8	282	}
4e17e6	283
45f56c	284	/**
T	285	* return the message list as HTML table
	286	*/
4e17e6	287	function rcmail_message_list($attrib)
f52c93	288	{
f5d2ee	289	global $RCMAIL, $OUTPUT;
b076a4	290
f5d2ee	291	// add some labels to client
AM	292	$OUTPUT->add_label('from', 'to');
4e17e6	293
f5d2ee	294	// add id to message list table if not specified
AM	295	if (!strlen($attrib['id']))
	296	$attrib['id'] = 'rcubemessagelist';
e0ddd4	297
f5d2ee	298	// define list of cols to be displayed based on parameter or config
AM	299	if (empty($attrib['columns'])) {
	300	$list_cols = $RCMAIL->config->get('list_cols');
	301	$a_show_cols = !empty($list_cols) && is_array($list_cols) ? $list_cols : array('subject');
d59aaa	302
f5d2ee	303	$OUTPUT->set_env('col_movable', !in_array('list_cols', (array)$RCMAIL->config->get('dont_override')));
AM	304	}
	305	else {
	306	$a_show_cols = preg_split('/[\s,;]+/', str_replace(array("'", '"'), '', $attrib['columns']));
	307	$attrib['columns'] = $a_show_cols;
	308	}
6c9d49	309
f5d2ee	310	// save some variables for use in ajax list
AM	311	$_SESSION['list_attrib'] = $attrib;
9800a8	312
f5d2ee	313	// make sure 'threads' and 'subject' columns are present
AM	314	if (!in_array('subject', $a_show_cols))
	315	array_unshift($a_show_cols, 'subject');
	316	if (!in_array('threads', $a_show_cols))
	317	array_unshift($a_show_cols, 'threads');
9800a8	318
f5d2ee	319	$_SESSION['skin_path'] = $RCMAIL->config->get('skin_path');
9800a8	320
f5d2ee	321	// set client env
AM	322	$OUTPUT->add_gui_object('messagelist', $attrib['id']);
	323	$OUTPUT->set_env('autoexpand_threads', intval($RCMAIL->config->get('autoexpand_threads')));
	324	$OUTPUT->set_env('sort_col', $_SESSION['sort_col']);
	325	$OUTPUT->set_env('sort_order', $_SESSION['sort_order']);
	326	$OUTPUT->set_env('messages', array());
	327	$OUTPUT->set_env('coltypes', $a_show_cols);
9800a8	328
f5d2ee	329	$OUTPUT->include_script('list.js');
AM	330
	331	$table = new html_table($attrib);
	332
	333	if (!$attrib['noheader']) {
	334	foreach (rcmail_message_list_head($attrib, $a_show_cols) as $cell)
	335	$table->add_header(array('class' => $cell['className'], 'id' => $cell['id']), $cell['html']);
	336	}
	337
	338	return $table->show();
f52c93	339	}
4e17e6	340
45f56c	341	/**
T	342	* return javascript commands to add rows to the message list
	343	*/
614c64	344	function rcmail_js_message_list($a_headers, $insert_top=FALSE, $a_show_cols=null)
f52c93	345	{
f5d2ee	346	global $RCMAIL, $OUTPUT;
4e17e6	347
f5d2ee	348	if (empty($a_show_cols)) {
AM	349	if (!empty($_SESSION['list_attrib']['columns']))
	350	$a_show_cols = $_SESSION['list_attrib']['columns'];
	351	else {
	352	$list_cols = $RCMAIL->config->get('list_cols');
	353	$a_show_cols = !empty($list_cols) && is_array($list_cols) ? $list_cols : array('subject');
	354	}
	355	}
	356	else {
	357	if (!is_array($a_show_cols)) {
	358	$a_show_cols = preg_split('/[\s,;]+/', str_replace(array("'", '"'), '', $a_show_cols));
	359	}
	360	$head_replace = true;
4438d6	361	}
4e17e6	362
f5d2ee	363	$mbox = $RCMAIL->storage->get_folder();
6b4929	364
f5d2ee	365	// make sure 'threads' and 'subject' columns are present
AM	366	if (!in_array('subject', $a_show_cols))
	367	array_unshift($a_show_cols, 'subject');
	368	if (!in_array('threads', $a_show_cols))
	369	array_unshift($a_show_cols, 'threads');
f52c93	370
f5d2ee	371	$_SESSION['list_attrib']['columns'] = $a_show_cols;
5bde17	372
f5d2ee	373	// Make sure there are no duplicated columns (#1486999)
AM	374	$a_show_cols = array_unique($a_show_cols);
0e7b66	375
f5d2ee	376	// Plugins may set header's list_cols/list_flags and other rcube_message_header variables
AM	377	// and list columns
	378	$plugin = $RCMAIL->plugins->exec_hook('messages_list',
	379	array('messages' => $a_headers, 'cols' => $a_show_cols));
	380
	381	$a_show_cols = $plugin['cols'];
	382	$a_headers = $plugin['messages'];
	383
	384	$thead = $head_replace ? rcmail_message_list_head($_SESSION['list_attrib'], $a_show_cols) : NULL;
	385
	386	// get name of smart From/To column in folder context
	387	if (array_search('fromto', $a_show_cols) !== false) {
	388	$smart_col = rcmail_message_list_smart_column_name();
	389	}
	390
	391	$OUTPUT->command('set_message_coltypes', $a_show_cols, $thead, $smart_col);
	392
	393	if (empty($a_headers)) {
	394	return;
	395	}
	396
	397	// remove 'threads', 'attachment', 'flag', 'status' columns, we don't need them here
	398	foreach (array('threads', 'attachment', 'flag', 'status', 'priority') as $col) {
	399	if (($key = array_search($col, $a_show_cols)) !== FALSE) {
	400	unset($a_show_cols[$key]);
	401	}
	402	}
	403
	404	// loop through message headers
	405	foreach ($a_headers as $header) {
	406	if (empty($header))
	407	continue;
	408
	409	$a_msg_cols = array();
	410	$a_msg_flags = array();
	411
	412	// format each col; similar as in rcmail_message_list()
	413	foreach ($a_show_cols as $col) {
	414	$col_name = $col == 'fromto' ? $smart_col : $col;
	415
	416	if (in_array($col_name, array('from', 'to', 'cc', 'replyto')))
	417	$cont = rcmail_address_string($header->$col_name, 3, false, null, $header->charset);
	418	else if ($col == 'subject') {
	419	$cont = trim(rcube_mime::decode_header($header->$col, $header->charset));
	420	if (!$cont) $cont = $RCMAIL->gettext('nosubject');
	421	$cont = rcube::Q($cont);
	422	}
	423	else if ($col == 'size')
	424	$cont = show_bytes($header->$col);
	425	else if ($col == 'date')
	426	$cont = $RCMAIL->format_date($header->date);
	427	else
	428	$cont = rcube::Q($header->$col);
	429
	430	$a_msg_cols[$col] = $cont;
	431	}
	432
	433	$a_msg_flags = array_change_key_case(array_map('intval', (array) $header->flags));
	434	if ($header->depth)
	435	$a_msg_flags['depth'] = $header->depth;
	436	else if ($header->has_children)
	437	$roots[] = $header->uid;
	438	if ($header->parent_uid)
	439	$a_msg_flags['parent_uid'] = $header->parent_uid;
	440	if ($header->has_children)
	441	$a_msg_flags['has_children'] = $header->has_children;
	442	if ($header->unread_children)
	443	$a_msg_flags['unread_children'] = $header->unread_children;
	444	if ($header->others['list-post'])
	445	$a_msg_flags['ml'] = 1;
	446	if ($header->priority)
	447	$a_msg_flags['prio'] = (int) $header->priority;
	448
	449	$a_msg_flags['ctype'] = rcube::Q($header->ctype);
	450	$a_msg_flags['mbox'] = $mbox;
	451
	452	// merge with plugin result (Deprecated, use $header->flags)
	453	if (!empty($header->list_flags) && is_array($header->list_flags))
	454	$a_msg_flags = array_merge($a_msg_flags, $header->list_flags);
	455	if (!empty($header->list_cols) && is_array($header->list_cols))
	456	$a_msg_cols = array_merge($a_msg_cols, $header->list_cols);
	457
	458	$OUTPUT->command('add_message_row',
	459	$header->uid,
	460	$a_msg_cols,
	461	$a_msg_flags,
	462	$insert_top);
	463	}
	464
	465	if ($RCMAIL->storage->get_threading()) {
	466	$OUTPUT->command('init_threads', (array) $roots, $mbox);
	467	}
b62c48	468	}
f52c93	469
T	470	/*
	471	* Creates <THEAD> for message list table
	472	*/
	473	function rcmail_message_list_head($attrib, $a_show_cols)
	474	{
f5d2ee	475	global $RCMAIL;
f0affa	476
f5d2ee	477	$skin_path = $_SESSION['skin_path'];
f52c93	478
f5d2ee	479	// check to see if we have some settings for sorting
AM	480	$sort_col = $_SESSION['sort_col'];
	481	$sort_order = $_SESSION['sort_order'];
f52c93	482
f5d2ee	483	$dont_override = (array) $RCMAIL->config->get('dont_override');
AM	484	$disabled_sort = in_array('message_sort_col', $dont_override);
	485	$disabled_order = in_array('message_sort_order', $dont_override);
f0affa	486
f5d2ee	487	$RCMAIL->output->set_env('disabled_sort_col', $disabled_sort);
AM	488	$RCMAIL->output->set_env('disabled_sort_order', $disabled_order);
f0affa	489
f5d2ee	490	// define sortable columns
AM	491	if ($disabled_sort)
	492	$a_sort_cols = $sort_col && !$disabled_order ? array($sort_col) : array();
1716d5	493	else
f5d2ee	494	$a_sort_cols = array('subject', 'date', 'from', 'to', 'fromto', 'size', 'cc');
f52c93	495
f5d2ee	496	if (!empty($attrib['optionsmenuicon'])) {
AM	497	$onclick = 'return ' . rcmail_output::JS_OBJECT_NAME . ".command('menu-open', 'messagelistmenu')";
	498	if ($attrib['optionsmenuicon'] === true \|\| $attrib['optionsmenuicon'] == 'true')
	499	$list_menu = html::div(array('onclick' => $onclick, 'class' => 'listmenu',
	500	'id' => 'listmenulink', 'title' => $RCMAIL->gettext('listoptions')));
	501	else
	502	$list_menu = html::a(array('href' => '#', 'onclick' => $onclick),
	503	html::img(array('src' => $skin_path . $attrib['optionsmenuicon'],
	504	'id' => 'listmenulink', 'title' => $RCMAIL->gettext('listoptions'))));
	505	}
	506	else {
	507	$list_menu = '';
f52c93	508	}
T	509
f5d2ee	510	$cells = array();
f52c93	511
f5d2ee	512	// get name of smart From/To column in folder context
AM	513	if (array_search('fromto', $a_show_cols) !== false) {
	514	$smart_col = rcmail_message_list_smart_column_name();
	515	}
f52c93	516
f5d2ee	517	foreach ($a_show_cols as $col) {
AM	518	// get column name
	519	switch ($col) {
	520	case 'flag':
	521	$col_name = '<span class="flagged"> </span>';
	522	break;
	523	case 'attachment':
	524	case 'priority':
	525	case 'status':
	526	$col_name = '<span class="' . $col .'"> </span>';
	527	break;
	528	case 'threads':
	529	$col_name = $list_menu;
	530	break;
	531	case 'fromto':
	532	$col_name = rcube::Q($RCMAIL->gettext($smart_col));
	533	break;
	534	default:
	535	$col_name = rcube::Q($RCMAIL->gettext($col));
	536	}
f52c93	537
f5d2ee	538	// make sort links
AM	539	if (in_array($col, $a_sort_cols)) {
	540	$col_name = html::a(array(
	541	'href' => "./#sort",
	542	'onclick' => 'return '.rcmail_output::JS_OBJECT_NAME.".command('sort','".$col."',this)",
	543	'title' => $RCMAIL->gettext('sortby')
	544	), $col_name);
	545	}
	546	else if ($col_name[0] != '<') {
	547	$col_name = '<span class="' . $col .'">' . $col_name . '</span>';
	548	}
	549
	550	$sort_class = $col == $sort_col && !$disabled_order ? " sorted$sort_order" : '';
	551	$class_name = $col.$sort_class;
	552
	553	// put it all together
	554	$cells[] = array('className' => $class_name, 'id' => "rcm$col", 'html' => $col_name);
	555	}
	556
	557	return $cells;
f52c93	558	}
4e17e6	559
45f56c	560	/**
T	561	* return an HTML iframe for loading mail content
	562	*/
b19097	563	function rcmail_messagecontent_frame($attrib)
b6da0b	564	{
f5d2ee	565	global $OUTPUT, $RCMAIL;
9800a8	566
f5d2ee	567	if (empty($attrib['id']))
AM	568	$attrib['id'] = 'rcmailcontentwindow';
b19097	569
f5d2ee	570	$attrib['name'] = $attrib['id'];
b19097	571
f5d2ee	572	if ($RCMAIL->config->get('preview_pane')) {
AM	573	$OUTPUT->set_env('contentframe', $attrib['id']);
	574	}
b19097	575
f5d2ee	576	$OUTPUT->set_env('blankpage', $attrib['src'] ? $OUTPUT->abs_url($attrib['src']) : 'program/resources/blank.gif');
AM	577
	578	return $OUTPUT->frame($attrib, true);
b6da0b	579	}
4e17e6	580
T	581	function rcmail_messagecount_display($attrib)
b6da0b	582	{
f5d2ee	583	global $RCMAIL;
9800a8	584
f5d2ee	585	if (!$attrib['id'])
AM	586	$attrib['id'] = 'rcmcountdisplay';
4e17e6	587
f5d2ee	588	$RCMAIL->output->add_gui_object('countdisplay', $attrib['id']);
4e17e6	589
f5d2ee	590	$content = $RCMAIL->action != 'show' ? rcmail_get_messagecount_text() : $RCMAIL->gettext('loading');
29b397	591
f5d2ee	592	return html::span($attrib, $content);
b6da0b	593	}
4e17e6	594
f5d2ee	595	function rcmail_get_messagecount_text($count = null, $page = null)
b6da0b	596	{
f5d2ee	597	global $RCMAIL;
31b2ce	598
f5d2ee	599	if ($page === null) {
AM	600	$page = $RCMAIL->storage->get_page();
	601	}
9800a8	602
f5d2ee	603	$page_size = $RCMAIL->storage->get_pagesize();
AM	604	$start_msg = ($page-1) * $page_size + 1;
9800a8	605
f5d2ee	606	if ($count !== null)
AM	607	$max = $count;
	608	else if ($RCMAIL->action)
	609	$max = $RCMAIL->storage->count(NULL, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
4e17e6	610
f5d2ee	611	if ($max == 0)
febcd4	612	$out = $RCMAIL->storage->get_search_set() ? $RCMAIL->gettext('nomessages') : $RCMAIL->gettext('mailboxempty');
f5d2ee	613	else
AM	614	$out = $RCMAIL->gettext(array('name' => $RCMAIL->storage->get_threading() ? 'threadsfromto' : 'messagesfromto',
f52c93	615	'vars' => array('from' => $start_msg,
c321a9	616	'to' => min($max, $start_msg + $page_size - 1),
f52c93	617	'count' => $max)));
4e17e6	618
f5d2ee	619	return rcube::Q($out);
b6da0b	620	}
cbeea3	621
ac5d15	622	function rcmail_mailbox_name_display($attrib)
T	623	{
f5d2ee	624	global $RCMAIL;
ac5d15	625
f5d2ee	626	if (!$attrib['id'])
AM	627	$attrib['id'] = 'rcmmailboxname';
ac5d15	628
f5d2ee	629	$RCMAIL->output->add_gui_object('mailboxname', $attrib['id']);
ac5d15	630
f5d2ee	631	return html::span($attrib, rcmail_get_mailbox_name_text());
ac5d15	632	}
f96ffd	633
ac5d15	634	function rcmail_get_mailbox_name_text()
T	635	{
f5d2ee	636	global $RCMAIL;
AM	637	return $RCMAIL->localize_foldername($RCMAIL->storage->get_folder());
ac5d15	638	}
cbeea3	639
636bd7	640	function rcmail_send_unread_count($mbox_name, $force=false, $count=null, $mark='')
cbeea3	641	{
f5d2ee	642	global $RCMAIL;
9800a8	643
f5d2ee	644	$old_unseen = rcmail_get_unseen_count($mbox_name);
2144f9	645
f5d2ee	646	if ($count === null)
AM	647	$unseen = $RCMAIL->storage->count($mbox_name, 'UNSEEN', $force);
	648	else
	649	$unseen = $count;
cbeea3	650
f5d2ee	651	if ($unseen != $old_unseen \|\| ($mbox_name == 'INBOX'))
AM	652	$RCMAIL->output->command('set_unread_count', $mbox_name, $unseen,
	653	($mbox_name == 'INBOX'), $unseen && $mark ? $mark : '');
cbeea3	654
f5d2ee	655	rcmail_set_unseen_count($mbox_name, $unseen);
9800a8	656
f5d2ee	657	return $unseen;
cbeea3	658	}
A	659
b46edc	660	function rcmail_set_unseen_count($mbox_name, $count)
A	661	{
f5d2ee	662	// @TODO: this data is doubled (session and cache tables) if caching is enabled
b46edc	663
f5d2ee	664	// Make sure we have an array here (#1487066)
AM	665	if (!is_array($_SESSION['unseen_count'])) {
	666	$_SESSION['unseen_count'] = array();
	667	}
b46edc	668
f5d2ee	669	$_SESSION['unseen_count'][$mbox_name] = $count;
b46edc	670	}
A	671
	672	function rcmail_get_unseen_count($mbox_name)
	673	{
f5d2ee	674	if (is_array($_SESSION['unseen_count']) && array_key_exists($mbox_name, $_SESSION['unseen_count'])) {
AM	675	return $_SESSION['unseen_count'][$mbox_name];
	676	}
b46edc	677	}
A	678
ec603f	679	/**
A	680	* Sets message is_safe flag according to 'show_images' option value
	681	*
	682	* @param object rcube_message Message
	683	*/
	684	function rcmail_check_safe(&$message)
	685	{
f5d2ee	686	global $RCMAIL;
ec603f	687
f5d2ee	688	if (!$message->is_safe
AM	689	&& ($show_images = $RCMAIL->config->get('show_images'))
	690	&& $message->has_html_part()
	691	) {
	692	switch ($show_images) {
	693	case 1: // known senders only
	694	// get default addressbook, like in addcontact.inc
	695	$CONTACTS = $RCMAIL->get_address_book(-1, true);
840b4d	696
f5d2ee	697	if ($CONTACTS) {
AM	698	$result = $CONTACTS->search('email', $message->sender['mailto'], 1, false);
	699	if ($result->count) {
	700	$message->set_safe(true);
	701	}
	702	}
	703
	704	$RCMAIL->plugins->exec_hook('message_check_safe', array('message' => $message));
	705	break;
	706
	707	case 2: // always
840b4d	708	$message->set_safe(true);
f5d2ee	709	break;
ec603f	710	}
A	711	}
	712	}
	713
	714	/**
	715	* Cleans up the given message HTML Body (for displaying)
	716	*
	717	* @param string HTML
	718	* @param array Display parameters
	719	* @param array CID map replaces (inline images)
	720	* @return string Clean HTML
	721	*/
57486f	722	function rcmail_wash_html($html, $p, $cid_replaces)
ec603f	723	{
f5d2ee	724	global $REMOTE_OBJECTS;
69a7d3	725
f5d2ee	726	$p += array('safe' => false, 'inline_html' => true);
2337a8	727
f5d2ee	728	// charset was converted to UTF-8 in rcube_storage::get_message_part(),
AM	729	// change/add charset specification in HTML accordingly,
	730	// washtml cannot work without that
	731	$meta = '<meta http-equiv="Content-Type" content="text/html; charset='.RCUBE_CHARSET.'" />';
104e23	732
f5d2ee	733	// remove old meta tag and add the new one, making sure
AM	734	// that it is placed in the head (#1488093)
	735	$html = preg_replace('/<meta[^>]+charset=[a-z0-9-_]+[^>]*>/Ui', '', $html);
	736	$html = preg_replace('/(<head[^>]*>)/Ui', '\\1'.$meta, $html, -1, $rcount);
	737	if (!$rcount) {
	738	$html = '<head>' . $meta . '</head>' . $html;
	739	}
ec603f	740
f5d2ee	741	// clean HTML with washhtml by Frederic Motte
AM	742	$wash_opts = array(
	743	'show_washed' => false,
	744	'allow_remote' => $p['safe'],
	745	'blocked_src' => "./program/resources/blocked.gif",
	746	'charset' => RCUBE_CHARSET,
	747	'cid_map' => $cid_replaces,
	748	'html_elements' => array('body'),
	749	);
ce4673	750
f5d2ee	751	if (!$p['inline_html']) {
AM	752	$wash_opts['html_elements'] = array('html','head','title','body');
	753	}
	754	if ($p['safe']) {
	755	$wash_opts['html_elements'][] = 'link';
	756	$wash_opts['html_attribs'] = array('rel','type');
	757	}
9800a8	758
f5d2ee	759	// overwrite washer options with options from plugins
AM	760	if (isset($p['html_elements']))
	761	$wash_opts['html_elements'] = $p['html_elements'];
	762	if (isset($p['html_attribs']))
	763	$wash_opts['html_attribs'] = $p['html_attribs'];
33da0b	764
f5d2ee	765	// initialize HTML washer
AM	766	$washer = new rcube_washtml($wash_opts);
33da0b	767
f5d2ee	768	if (!$p['skip_washer_form_callback']) {
AM	769	$washer->add_callback('form', 'rcmail_washtml_callback');
	770	}
ec603f	771
f5d2ee	772	// allow CSS styles, will be sanitized by rcmail_washtml_callback()
AM	773	if (!$p['skip_washer_style_callback']) {
	774	$washer->add_callback('style', 'rcmail_washtml_callback');
	775	}
bf1b66	776
f5d2ee	777	// Remove non-UTF8 characters (#1487813)
AM	778	$html = rcube_charset::clean($html);
d61756	779
f5d2ee	780	$html = $washer->wash($html);
AM	781	$REMOTE_OBJECTS = $washer->extlinks;
5b3ed5	782
f5d2ee	783	return $html;
ec603f	784	}
4e17e6	785
45f56c	786	/**
65cc1c	787	* Convert the given message part to proper HTML
T	788	* which can be displayed the message view
45f56c	789	*
6402eb	790	* @param rcube_message_part Message part
AM	791	* @param array Display parameters array
65cc1c	792	* @return string Formatted HTML string
45f56c	793	*/
5579ef	794	function rcmail_print_body($part, $p = array())
45f56c	795	{
f5d2ee	796	global $RCMAIL;
9800a8	797
f5d2ee	798	// trigger plugin hook
AM	799	$data = $RCMAIL->plugins->exec_hook('message_part_before',
5579ef	800	array('type' => $part->ctype_secondary, 'body' => $part->body, 'id' => $part->mime_id)
f5d2ee	801	+ $p + array('safe' => false, 'plain' => false, 'inline_html' => true));
ec603f	802
f5d2ee	803	// convert html to text/plain
AM	804	if ($data['plain'] && ($data['type'] == 'html' \|\| $data['type'] == 'enriched')) {
	805	if ($data['type'] == 'enriched') {
	806	$data['body'] = rcube_enriched::to_html($data['body']);
	807	}
	808
	809	$txt = new rcube_html2text($data['body'], false, true);
	810	$body = $txt->get_text();
	811	$part->ctype_secondary = 'plain';
542f15	812	}
f5d2ee	813	// text/html
AM	814	else if ($data['type'] == 'html') {
	815	$body = rcmail_wash_html($data['body'], $data, $part->replaces);
	816	$part->ctype_secondary = $data['type'];
	817	}
	818	// text/enriched
	819	else if ($data['type'] == 'enriched') {
	820	$body = rcube_enriched::to_html($data['body']);
	821	$body = rcmail_wash_html($body, $data, $part->replaces);
	822	$part->ctype_secondary = 'html';
	823	}
	824	else {
	825	// assert plaintext
6402eb	826	$body = $data['body'];
f5d2ee	827	$part->ctype_secondary = $data['type'] = 'plain';
621a2e	828	}
AM	829
f5d2ee	830	// free some memory (hopefully)
AM	831	unset($data['body']);
88ed23	832
f5d2ee	833	// plaintext postprocessing
AM	834	if ($part->ctype_secondary == 'plain') {
	835	if ($part->ctype_secondary == 'plain' && $part->ctype_parameters['format'] == 'flowed') {
	836	$body = rcube_mime::unfold_flowed($body);
	837	}
cc97ea	838
f5d2ee	839	$body = rcmail_plain_body($body);
AM	840	}
	841
	842	// allow post-processing of the message body
	843	$data = $RCMAIL->plugins->exec_hook('message_part_after',
	844	array('type' => $part->ctype_secondary, 'body' => $body, 'id' => $part->mime_id) + $data);
	845
	846	return $data['type'] == 'html' ? $data['body'] : html::tag('pre', array(), $data['body']);
4f6932	847	}
f96ffd	848
4f6932	849	/**
A	850	* Handle links and citation marks in plain text message
	851	*
99b8c1	852	* @param string Plain text string
A	853	*
4f6932	854	* @return string Formatted HTML string
A	855	*/
621a2e	856	function rcmail_plain_body($body)
4f6932	857	{
f5d2ee	858	global $RCMAIL;
33dfdd	859
f5d2ee	860	// make links and email-addresses clickable
AM	861	$attribs = array('link_attribs' => array('rel' => 'noreferrer', 'target' => '_blank'));
	862	$replacer = new rcmail_string_replacer($attribs);
9800a8	863
f5d2ee	864	// search for patterns like links and e-mail addresses and replace with tokens
AM	865	$body = $replacer->replace($body);
4f6932	866
f5d2ee	867	// split body into single lines
AM	868	$body = preg_split('/\r?\n/', $body);
	869	$quote_level = 0;
	870	$last = -1;
4f6932	871
f5d2ee	872	// find/mark quoted lines...
AM	873	for ($n=0, $cnt=count($body); $n < $cnt; $n++) {
	874	if ($body[$n][0] == '>' && preg_match('/^(>+ {0,1})+/', $body[$n], $regs)) {
	875	$q = substr_count($regs[0], '>');
	876	$body[$n] = substr($body[$n], strlen($regs[0]));
4f6932	877
f5d2ee	878	if ($q > $quote_level) {
AM	879	$body[$n] = $replacer->get_replacement($replacer->add(
	880	str_repeat('<blockquote>', $q - $quote_level))) . $body[$n];
	881	$last = $n;
	882	}
	883	else if ($q < $quote_level) {
	884	$body[$n] = $replacer->get_replacement($replacer->add(
	885	str_repeat('</blockquote>', $quote_level - $q))) . $body[$n];
	886	$last = $n;
	887	}
	888	}
	889	else {
	890	$q = 0;
	891	if ($quote_level > 0)
	892	$body[$n] = $replacer->get_replacement($replacer->add(
	893	str_repeat('</blockquote>', $quote_level))) . $body[$n];
	894	}
	895
	896	$quote_level = $q;
99b8c1	897	}
4f6932	898
f5d2ee	899	$body = join("\n", $body);
4f6932	900
f5d2ee	901	// quote plain text (don't use rcube::Q() here, to display entities "as is")
AM	902	$table = get_html_translation_table(HTML_SPECIALCHARS);
	903	unset($table['?']);
	904	$body = strtr($body, $table);
a4c970	905
f5d2ee	906	// colorize signature (up to <sig_max_lines> lines)
AM	907	$len = strlen($body);
	908	$sig_max_lines = $RCMAIL->config->get('sig_max_lines', 15);
4f6932	909
f5d2ee	910	while (($sp = strrpos($body, "-- \n", $sp ? -$len+$sp-1 : 0)) !== false) {
AM	911	if ($sp == 0 \|\| $body[$sp-1] == "\n") {
	912	// do not touch blocks with more that X lines
	913	if (substr_count($body, "\n", $sp) < $sig_max_lines) {
	914	$body = substr($body, 0, max(0, $sp))
	915	. '<span class="sig">'.substr($body, $sp).'</span>';
	916	}
	917
	918	break;
	919	}
4f6932	920	}
A	921
f5d2ee	922	// insert url/mailto links and citation tags
AM	923	$body = $replacer->resolve($body);
4f6932	924
f5d2ee	925	return $body;
21e724	926	}
T	927
	928	/**
	929	* Callback function for washtml cleaning class
	930	*/
2b017e	931	function rcmail_washtml_callback($tagname, $attrib, $content, $washtml)
21e724	932	{
f5d2ee	933	switch ($tagname) {
21e724	934	case 'form':
f5d2ee	935	$out = html::div('form', $content);
AM	936	break;
9800a8	937
1c499a	938	case 'style':
f5d2ee	939	// decode all escaped entities and reduce to ascii strings
AM	940	$stripped = preg_replace('/[^a-zA-Z\(:;]/', '', rcube_utils::xss_entity_decode($content));
9800a8	941
f5d2ee	942	// now check for evil strings like expression, behavior or url()
AM	943	if (!preg_match('/expression\|behavior\|javascript:\|import[^a]/i', $stripped)) {
	944	if (!$washtml->get_config('allow_remote') && stripos($stripped, 'url('))
	945	$washtml->extlinks = true;
	946	else
	947	$out = html::tag('style', array('type' => 'text/css'), $content);
	948	break;
	949	}
9800a8	950
21e724	951	default:
f5d2ee	952	$out = '';
AM	953	}
9800a8	954
f5d2ee	955	return $out;
2337a8	956	}
A	957
	958	/**
45f56c	959	* return table with message headers
T	960	*/
a8a72e	961	function rcmail_message_headers($attrib, $headers=null)
4fdaa0	962	{
f5d2ee	963	global $MESSAGE, $PRINT_MODE, $RCMAIL;
AM	964	static $sa_attrib;
9800a8	965
f5d2ee	966	// keep header table attrib
AM	967	if (is_array($attrib) && !$sa_attrib && !$attrib['valueof'])
	968	$sa_attrib = $attrib;
	969	else if (!is_array($attrib) && is_array($sa_attrib))
	970	$attrib = $sa_attrib;
9800a8	971
f5d2ee	972	if (!isset($MESSAGE)) {
AM	973	return false;
a49a00	974	}
9800a8	975
f5d2ee	976	// get associative array of headers object
AM	977	if (!$headers) {
	978	$headers_obj = $MESSAGE->headers;
	979	$headers = get_object_vars($MESSAGE->headers);
	980	}
	981	else if (is_object($headers)) {
	982	$headers_obj = $headers;
	983	$headers = get_object_vars($headers_obj);
	984	}
	985	else {
	986	$headers_obj = rcube_message_header::from_array($headers);
	987	}
9800a8	988
f5d2ee	989	// show these headers
AM	990	$standard_headers = array('subject', 'from', 'sender', 'to', 'cc', 'bcc', 'replyto',
	991	'mail-reply-to', 'mail-followup-to', 'date', 'priority');
	992	$exclude_headers = $attrib['exclude'] ? explode(',', $attrib['exclude']) : array();
	993	$output_headers = array();
faea23	994
f5d2ee	995	foreach ($standard_headers as $hkey) {
AM	996	$ishtml = false;
9800a8	997
f5d2ee	998	if ($headers[$hkey])
AM	999	$value = $headers[$hkey];
	1000	else if ($headers['others'][$hkey])
	1001	$value = $headers['others'][$hkey];
	1002	else if (!$attrib['valueof'])
	1003	continue;
9800a8	1004
f5d2ee	1005	if (in_array($hkey, $exclude_headers))
AM	1006	continue;
4e17e6	1007
f5d2ee	1008	$header_title = $RCMAIL->gettext(preg_replace('/(^mail-\|-)/', '', $hkey));
AM	1009
	1010	if ($hkey == 'date') {
	1011	if ($PRINT_MODE)
	1012	$header_value = $RCMAIL->format_date($value, $RCMAIL->config->get('date_long', 'x'));
	1013	else
	1014	$header_value = $RCMAIL->format_date($value);
	1015	}
	1016	else if ($hkey == 'priority') {
	1017	if ($value) {
	1018	$header_value = html::span('prio' . $value, rcmail_localized_priority($value));
	1019	}
	1020	else
	1021	continue;
	1022	}
	1023	else if ($hkey == 'replyto') {
	1024	if ($headers['replyto'] != $headers['from']) {
	1025	$header_value = rcmail_address_string($value, $attrib['max'], true,
	1026	$attrib['addicon'], $headers['charset'], $header_title);
	1027	$ishtml = true;
	1028	}
	1029	else
	1030	continue;
	1031	}
	1032	else if ($hkey == 'mail-reply-to') {
	1033	if ($headers['mail-replyto'] != $headers['reply-to']
	1034	&& $headers['reply-to'] != $headers['from']
	1035	) {
	1036	$header_value = rcmail_address_string($value, $attrib['max'], true,
	1037	$attrib['addicon'], $headers['charset'], $header_title);
	1038	$ishtml = true;
	1039	}
	1040	else
	1041	continue;
	1042	}
	1043	else if ($hkey == 'sender') {
	1044	if ($headers['sender'] != $headers['from']) {
	1045	$header_value = rcmail_address_string($value, $attrib['max'], true,
	1046	$attrib['addicon'], $headers['charset'], $header_title);
	1047	$ishtml = true;
	1048	}
	1049	else
	1050	continue;
	1051	}
	1052	else if ($hkey == 'mail-followup-to') {
	1053	$header_value = rcmail_address_string($value, $attrib['max'], true,
	1054	$attrib['addicon'], $headers['charset'], $header_title);
	1055	$ishtml = true;
	1056	}
	1057	else if (in_array($hkey, array('from', 'to', 'cc', 'bcc'))) {
	1058	$header_value = rcmail_address_string($value, $attrib['max'], true,
	1059	$attrib['addicon'], $headers['charset'], $header_title);
	1060	$ishtml = true;
	1061	}
	1062	else if ($hkey == 'subject' && empty($value))
	1063	$header_value = $RCMAIL->gettext('nosubject');
	1064	else
	1065	$header_value = trim(rcube_mime::decode_header($value, $headers['charset']));
	1066
	1067	$output_headers[$hkey] = array(
	1068	'title' => $header_title,
	1069	'value' => $header_value,
	1070	'raw' => $value,
	1071	'html' => $ishtml,
	1072	);
	1073	}
	1074
	1075	$plugin = $RCMAIL->plugins->exec_hook('message_headers_output', array(
	1076	'output' => $output_headers,
	1077	'headers' => $headers_obj,
	1078	'exclude' => $exclude_headers
	1079	));
	1080
	1081	// single header value is requested
	1082	if (!empty($attrib['valueof'])) {
	1083	return rcube::Q($plugin['output'][$attrib['valueof']]['value'], ($attrib['valueof'] == 'subject' ? 'strict' : 'show'));
	1084	}
	1085
	1086	// compose html table
	1087	$table = new html_table(array('cols' => 2));
	1088
	1089	foreach ($plugin['output'] as $hkey => $row) {
	1090	$val = $row['html'] ? $row['value'] : rcube::Q($row['value'], ($hkey == 'subject' ? 'strict' : 'show'));
	1091
	1092	$table->add(array('class' => 'header-title'), rcube::Q($row['title']));
	1093	$table->add(array('class' => 'header '.$hkey), $val);
	1094	}
	1095
	1096	return $table->show($attrib);
c6be45	1097	}
T	1098
a49a00	1099	/**
T	1100	* Convert Priority header value into a localized string
	1101	*/
	1102	function rcmail_localized_priority($value)
	1103	{
f5d2ee	1104	global $RCMAIL;
6b2b2e	1105
f5d2ee	1106	$labels_map = array(
AM	1107	'1' => 'highest',
	1108	'2' => 'high',
	1109	'3' => 'normal',
	1110	'4' => 'low',
	1111	'5' => 'lowest',
	1112	);
297c1a	1113
f5d2ee	1114	if ($value && $labels_map[$value]) {
AM	1115	return $RCMAIL->gettext($labels_map[$value]);
	1116	}
297c1a	1117
f5d2ee	1118	return '';
a49a00	1119	}
c6be45	1120
T	1121	/**
	1122	* return block to show full message headers
	1123	*/
	1124	function rcmail_message_full_headers($attrib, $headers=NULL)
	1125	{
f5d2ee	1126	global $OUTPUT, $RCMAIL;
c08b18	1127
f5d2ee	1128	$html = html::div(array('id' => "all-headers", 'class' => "all", 'style' => 'display:none'), html::div(array('id' => 'headers-source'), ''));
AM	1129	$html .= html::div(array(
	1130	'class' => "more-headers show-headers",
	1131	'onclick' => "return ".rcmail_output::JS_OBJECT_NAME.".command('show-headers','',this)",
	1132	'title' => $RCMAIL->gettext('togglefullheaders')
	1133	), '');
c08b18	1134
f5d2ee	1135	$OUTPUT->add_gui_object('all_headers_row', 'all-headers');
AM	1136	$OUTPUT->add_gui_object('all_headers_box', 'headers-source');
c08b18	1137
f5d2ee	1138	return html::div($attrib, $html);
c6be45	1139	}
4e17e6	1140
45f56c	1141	/**
21605c	1142	* Handler for the 'messagebody' GUI object
45f56c	1143	*
21605c	1144	* @param array Named parameters
T	1145	* @return string HTML content showing the message body
45f56c	1146	*/
4e17e6	1147	function rcmail_message_body($attrib)
e0960f	1148	{
f5d2ee	1149	global $OUTPUT, $MESSAGE, $RCMAIL, $REMOTE_OBJECTS;
5f8686	1150
f5d2ee	1151	if (!is_array($MESSAGE->parts) && empty($MESSAGE->body)) {
AM	1152	return '';
4e17e6	1153	}
f5d2ee	1154
AM	1155	if (!$attrib['id'])
	1156	$attrib['id'] = 'rcmailMsgBody';
	1157
	1158	$safe_mode = $MESSAGE->is_safe \|\| intval($_GET['_safe']);
	1159	$out = '';
	1160
	1161	$header_attrib = array();
	1162	foreach ($attrib as $attr => $value) {
	1163	if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs)) {
	1164	$header_attrib[$regs[1]] = $value;
	1165	}
	1166	}
	1167
	1168	if (!empty($MESSAGE->parts)) {
	1169	foreach ($MESSAGE->parts as $part) {
	1170	if ($part->type == 'headers') {
	1171	$out .= html::div('message-partheaders', rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : null, $part->headers));
	1172	}
	1173	else if ($part->type == 'content') {
	1174	// unsupported (e.g. encrypted)
	1175	if ($part->realtype) {
	1176	if ($part->realtype == 'multipart/encrypted' \|\| $part->realtype == 'application/pkcs7-mime') {
	1177	$out .= html::span('part-notice', $RCMAIL->gettext('encryptedmessage'));
	1178	}
	1179	continue;
	1180	}
	1181	else if (!$part->size) {
	1182	continue;
	1183	}
	1184
	1185	// Check if we have enough memory to handle the message in it
	1186	// #1487424: we need up to 10x more memory than the body
	1187	else if (!rcube_utils::mem_check($part->size * 10)) {
	1188	$out .= html::span('part-notice', $RCMAIL->gettext('messagetoobig'). ' '
	1189	. html::a('?_task=mail&_action=get&_download=1&_uid='.$MESSAGE->uid.'&_part='.$part->mime_id
e03bcf	1190	.'&_mbox='. urlencode($MESSAGE->folder), $RCMAIL->gettext('download')));
f5d2ee	1191	continue;
AM	1192	}
	1193
	1194	if (empty($part->ctype_parameters) \|\| empty($part->ctype_parameters['charset'])) {
	1195	$part->ctype_parameters['charset'] = $MESSAGE->headers->charset;
	1196	}
	1197
	1198	// fetch part if not available
	1199	if (!isset($part->body)) {
	1200	$part->body = $MESSAGE->get_part_content($part->mime_id);
	1201	}
	1202
	1203	// message is cached but not exists (#1485443), or other error
5579ef	1204	if ($part->body === false) {
f5d2ee	1205	rcmail_message_error($MESSAGE->uid);
AM	1206	}
	1207
	1208	$plugin = $RCMAIL->plugins->exec_hook('message_body_prefix',
	1209	array('part' => $part, 'prefix' => ''));
	1210
5579ef	1211	$body = rcmail_print_body($part, array('safe' => $safe_mode, 'plain' => !$RCMAIL->config->get('prefer_html')));
f5d2ee	1212
AM	1213	if ($part->ctype_secondary == 'html') {
	1214	$body = rcmail_html4inline($body, $attrib['id'], 'rcmBody', $attrs, $safe_mode);
	1215	$div_attr = array('class' => 'message-htmlpart');
	1216	$style = array();
	1217
	1218	if (!empty($attrs)) {
	1219	foreach ($attrs as $a_idx => $a_val)
	1220	$style[] = $a_idx . ': ' . $a_val;
	1221	if (!empty($style))
	1222	$div_attr['style'] = implode('; ', $style);
	1223	}
	1224
	1225	$out .= html::div($div_attr, $plugin['prefix'] . $body);
	1226	}
	1227	else
	1228	$out .= html::div('message-part', $plugin['prefix'] . $body);
	1229	}
	1230	}
3c3433	1231	}
e0960f	1232	else {
f5d2ee	1233	// Check if we have enough memory to handle the message in it
AM	1234	// #1487424: we need up to 10x more memory than the body
	1235	if (!rcube_utils::mem_check(strlen($MESSAGE->body) * 10)) {
	1236	$out .= html::span('part-notice', $RCMAIL->gettext('messagetoobig'). ' '
	1237	. html::a('?_task=mail&_action=get&_download=1&_uid='.$MESSAGE->uid.'&_part=0'
e03bcf	1238	.'&_mbox='. urlencode($MESSAGE->folder), $RCMAIL->gettext('download')));
031491	1239	}
TB	1240	else {
f5d2ee	1241	$plugin = $RCMAIL->plugins->exec_hook('message_body_prefix',
AM	1242	array('part' => $MESSAGE, 'prefix' => ''));
	1243
	1244	$out .= html::div('message-part', $plugin['prefix'] . html::tag('pre', array(),
	1245	rcmail_plain_body(rcube::Q($MESSAGE->body, 'strict', false))));
031491	1246	}
4e17e6	1247	}
9800a8	1248
f5d2ee	1249	// list images after mail body
AM	1250	if ($RCMAIL->config->get('inline_images', true) && !empty($MESSAGE->attachments)) {
	1251	$thumbnail_size = $RCMAIL->config->get('image_thumbnail_size', 240);
	1252	$client_mimetypes = (array)$RCMAIL->config->get('client_mimetypes');
4e17e6	1253
f5d2ee	1254	foreach ($MESSAGE->attachments as $attach_prop) {
AM	1255	// skip inline images
	1256	if ($attach_prop->content_id && $attach_prop->disposition == 'inline') {
	1257	continue;
	1258	}
	1259
	1260	// Content-Type: image/*...
	1261	if ($mimetype = rcmail_part_image_type($attach_prop)) {
	1262	// display thumbnails
	1263	if ($thumbnail_size) {
	1264	$show_link = array(
	1265	'href' => $MESSAGE->get_part_url($attach_prop->mime_id, false),
	1266	'onclick' => sprintf(
	1267	'return %s.command(\'load-attachment\',\'%s\',this)',
	1268	rcmail_output::JS_OBJECT_NAME,
	1269	$attach_prop->mime_id)
	1270	);
	1271	$out .= html::p('image-attachment',
	1272	html::a($show_link + array('class' => 'image-link', 'style' => sprintf('width:%dpx', $thumbnail_size)),
	1273	html::img(array(
	1274	'class' => 'image-thumbnail',
	1275	'src' => $MESSAGE->get_part_url($attach_prop->mime_id, 'image') . '&_thumb=1',
	1276	'title' => $attach_prop->filename,
	1277	'alt' => $attach_prop->filename,
	1278	'style' => sprintf('max-width:%dpx; max-height:%dpx', $thumbnail_size, $thumbnail_size),
	1279	))
	1280	) .
	1281	html::span('image-filename', rcube::Q($attach_prop->filename)) .
	1282	html::span('image-filesize', rcube::Q($RCMAIL->message_part_size($attach_prop))) .
	1283	html::span('attachment-links',
	1284	(in_array($mimetype, $client_mimetypes) ? html::a($show_link, $RCMAIL->gettext('showattachment')) . ' ' : '') .
	1285	html::a($show_link['href'] . '&_download=1', $RCMAIL->gettext('download'))
	1286	) .
	1287	html::br(array('style' => 'clear:both'))
	1288	);
	1289	}
	1290	else {
	1291	$out .= html::tag('fieldset', 'image-attachment',
	1292	html::tag('legend', 'image-filename', rcube::Q($attach_prop->filename)) .
	1293	html::p(array('align' => 'center'),
	1294	html::img(array(
	1295	'src' => $MESSAGE->get_part_url($attach_prop->mime_id, 'image'),
	1296	'title' => $attach_prop->filename,
	1297	'alt' => $attach_prop->filename,
	1298	)))
	1299	);
	1300	}
	1301	}
	1302	}
	1303	}
	1304
	1305	// tell client that there are blocked remote objects
	1306	if ($REMOTE_OBJECTS && !$safe_mode) {
	1307	$OUTPUT->set_env('blockedobjects', true);
	1308	}
	1309
	1310	return html::div($attrib, $out);
e0960f	1311	}
4e17e6	1312
19cc5b	1313	function rcmail_part_image_type($part)
AM	1314	{
f5d2ee	1315	$rcmail = rcmail::get_instance();
19cc5b	1316
f5d2ee	1317	// Skip TIFF images if browser doesn't support this format...
AM	1318	$tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tif']);
	1319	// until we can convert them to JPEG
	1320	$tiff_support = $tiff_support \|\| $rcmail->config->get('im_convert_path');
19cc5b	1321
f5d2ee	1322	// Content-type regexp
AM	1323	$mime_regex = $tiff_support ? '/^image\//i' : '/^image\/(?!tif)/i';
19cc5b	1324
f5d2ee	1325	// Content-Type: image/*...
AM	1326	if (preg_match($mime_regex, $part->mimetype)) {
	1327	return rcmail_fix_mimetype($part->mimetype);
	1328	}
19cc5b	1329
f5d2ee	1330	// Many clients use application/octet-stream, we'll detect mimetype
AM	1331	// by checking filename extension
19cc5b	1332
f5d2ee	1333	// Supported image filename extensions to image type map
AM	1334	$types = array(
	1335	'jpg' => 'image/jpeg',
	1336	'jpeg' => 'image/jpeg',
	1337	'png' => 'image/png',
	1338	'gif' => 'image/gif',
	1339	'bmp' => 'image/bmp',
	1340	);
	1341	if ($tiff_support) {
	1342	$types['tif'] = 'image/tiff';
	1343	$types['tiff'] = 'image/tiff';
	1344	}
19cc5b	1345
f5d2ee	1346	if ($part->filename
AM	1347	&& preg_match('/^application\/octet-stream$/i', $part->mimetype)
	1348	&& preg_match('/\.([^.]+)$/i', $part->filename, $m)
	1349	&& ($extension = strtolower($m[1]))
	1350	&& isset($types[$extension])
	1351	) {
	1352	return $types[$extension];
	1353	}
aa055c	1354	}
f5d62f	1355
45f56c	1356	/**
T	1357	* modify a HTML message that it can be displayed inside a HTML page
	1358	*/
2b017e	1359	function rcmail_html4inline($body, $container_id, $body_id='', &$attributes=null, $allow_remote=false)
cb3dfd	1360	{
f5d2ee	1361	$last_style_pos = 0;
AM	1362	$cont_id = $container_id.($body_id ? ' div.'.$body_id : '');
9800a8	1363
f5d2ee	1364	// find STYLE tags
AM	1365	while (($pos = stripos($body, '<style', $last_style_pos)) && ($pos2 = stripos($body, '</style>', $pos))) {
	1366	$pos = strpos($body, '>', $pos) + 1;
	1367	$len = $pos2 - $pos;
ea206d	1368
f5d2ee	1369	// replace all css definitions with #container [def]
AM	1370	$styles = substr($body, $pos, $len);
	1371	$styles = rcube_utils::mod_css_styles($styles, $cont_id, $allow_remote);
ea206d	1372
f5d2ee	1373	$body = substr_replace($body, $styles, $pos, $len);
AM	1374	$last_style_pos = $pos2 + strlen($styles) - $len;
ceb708	1375	}
cb3dfd	1376
f5d2ee	1377	// modify HTML links to open a new window if clicked
AM	1378	$GLOBALS['rcmail_html_container_id'] = $container_id;
	1379	$body = preg_replace_callback('/<(a\|link\|area)\s+([^>]+)>/Ui', 'rcmail_alter_html_link', $body);
	1380	unset($GLOBALS['rcmail_html_container_id']);
	1381
	1382	$body = preg_replace(array(
	1383	// add comments arround html and other tags
	1384	'/(<!DOCTYPE[^>]*>)/i',
	1385	'/(<\?xml[^>]*>)/i',
	1386	'/(<\/?html[^>]*>)/i',
	1387	'/(<\/?head[^>]*>)/i',
	1388	'/(<title[^>]>.<\/title>)/Ui',
	1389	'/(<\/?meta[^>]*>)/i',
	1390	// quote <? of php and xml files that are specified as text/html
	1391	'/<\?/',
	1392	'/\?>/',
	1393	// replace <body> with <div>
	1394	'/<body([^>]*)>/i',
	1395	'/<\/body>/i',
	1396	),
	1397	array(
	1398	'<!--\\1-->',
	1399	'<!--\\1-->',
	1400	'<!--\\1-->',
	1401	'<!--\\1-->',
	1402	'<!--\\1-->',
	1403	'<!--\\1-->',
	1404	'<?',
	1405	'?>',
	1406	'<div class="'.$body_id.'"\\1>',
	1407	'</div>',
	1408	),
	1409	$body);
	1410
	1411	$attributes = array();
	1412
	1413	// Handle body attributes that doesn't play nicely with div elements
	1414	$regexp = '/<div class="' . preg_quote($body_id, '/') . '"([^>]*)/';
	1415	if (preg_match($regexp, $body, $m)) {
	1416	$attrs = $m[0];
	1417
	1418	// Get bgcolor, we'll set it as background-color of the message container
	1419	if ($m[1] && preg_match('/bgcolor=["\']([a-z0-9#]+)["\']/i', $attrs, $mb)) {
	1420	$attributes['background-color'] = $mb[1];
	1421	$attrs = preg_replace('/bgcolor=["\'][a-z0-9#]+["\']/i', '', $attrs);
cb3dfd	1422	}
f5d2ee	1423
AM	1424	// Get background, we'll set it as background-image of the message container
	1425	if ($m[1] && preg_match('/background=["\']([^"\'>\s]+)["\']/', $attrs, $mb)) {
	1426	$attributes['background-image'] = 'url('.$mb[1].')';
	1427	$attrs = preg_replace('/background=["\']([^"\'>\s]+)["\']/', '', $attrs);
	1428	}
	1429
	1430	if (!empty($attributes)) {
	1431	$body = preg_replace($regexp, rtrim($attrs), $body, 1);
	1432	}
	1433
	1434	// handle body styles related to background image
	1435	if ($attributes['background-image']) {
	1436	// get body style
	1437	if (preg_match('/#'.preg_quote($cont_id, '/').'\s+\{([^}]+)}/i', $body, $m)) {
	1438	// get background related style
	1439	$regexp = '/(background-position\|background-repeat)\s:\s([^;]+);/i';
	1440	if (preg_match_all($regexp, $m[1], $ma, PREG_SET_ORDER)) {
	1441	foreach ($ma as $style) {
	1442	$attributes[$style[1]] = $style[2];
	1443	}
	1444	}
	1445	}
	1446	}
cb3dfd	1447	}
f5d2ee	1448	// make sure there's 'rcmBody' div, we need it for proper css modification
AM	1449	// its name is hardcoded in rcmail_message_body() also
	1450	else {
	1451	$body = '<div class="' . $body_id . '">' . $body . '</div>';
	1452	}
86958f	1453
f5d2ee	1454	return $body;
cb3dfd	1455	}
4e17e6	1456
45f56c	1457	/**
1e3254	1458	* parse link (a, link, area) attributes and set correct target
45f56c	1459	*/
115263	1460	function rcmail_alter_html_link($matches)
e5af2f	1461	{
f5d2ee	1462	global $RCMAIL;
5c1dfb	1463
f5d2ee	1464	$tag = strtolower($matches[1]);
AM	1465	$attrib = html::parse_attrib_string($matches[2]);
	1466	$end = '>';
84f5b7	1467
f5d2ee	1468	// Remove non-printable characters in URL (#1487805)
AM	1469	if ($attrib['href'])
	1470	$attrib['href'] = preg_replace('/[\x00-\x1F]/', '', $attrib['href']);
29c542	1471
f5d2ee	1472	if ($tag == 'link' && preg_match('/^https?:\/\//i', $attrib['href'])) {
AM	1473	$tempurl = 'tmp-' . md5($attrib['href']) . '.css';
	1474	$_SESSION['modcssurls'][$tempurl] = $attrib['href'];
	1475	$attrib['href'] = $RCMAIL->url(array('task' => 'utils', 'action' => 'modcss', 'u' => $tempurl, 'c' => $GLOBALS['rcmail_html_container_id']));
	1476	$end = ' />';
	1477	}
	1478	else if (preg_match('/^mailto:(.+)/i', $attrib['href'], $mailto)) {
	1479	list($mailto, $url) = explode('?', html_entity_decode($mailto[1], ENT_QUOTES, 'UTF-8'), 2);
eafd5b	1480
f5d2ee	1481	$url = urldecode($url);
AM	1482	$mailto = urldecode($mailto);
	1483	$addresses = rcube_mime::decode_address_list($mailto, null, true);
	1484	$mailto = array();
eafd5b	1485
f5d2ee	1486	// do sanity checks on recipients
AM	1487	foreach ($addresses as $idx => $addr) {
	1488	if (rcube_utils::check_email($addr['mailto'], false)) {
	1489	$addresses[$idx] = $addr['mailto'];
	1490	$mailto[] = $addr['string'];
	1491	}
	1492	else {
	1493	unset($addresses[$idx]);
	1494	}
	1495	}
	1496
	1497	if (!empty($addresses)) {
	1498	$attrib['href'] = 'mailto:' . implode(',', $addresses);
	1499	$attrib['onclick'] = sprintf(
	1500	"return %s.command('compose','%s',this)",
	1501	rcmail_output::JS_OBJECT_NAME,
	1502	rcube::JQ(implode(',', $mailto) . ($url ? "?$url" : '')));
	1503	}
	1504	else {
	1505	$attrib['href'] = '#NOP';
	1506	$attrib['onclick'] = '';
	1507	}
	1508	}
	1509	else if (empty($attrib['href']) && !$attrib['name']) {
	1510	$attrib['href'] = './#NOP';
	1511	$attrib['onclick'] = 'return false';
	1512	}
	1513	else if (!empty($attrib['href']) && $attrib['href'][0] != '#') {
	1514	$attrib['target'] = '_blank';
eafd5b	1515	}
AM	1516
f5d2ee	1517	// Better security by adding rel="noreferrer" (#1484686)
AM	1518	if (($tag == 'a' \|\| $tag == 'area') && $attrib['href'] && $attrib['href'][0] != '#') {
	1519	$attrib['rel'] = 'noreferrer';
eafd5b	1520	}
e5af2f	1521
f5d2ee	1522	// allowed attributes for a\|link\|area tags
AM	1523	$allow = array('href','name','target','onclick','id','class','style','title',
	1524	'rel','type','media','alt','coords','nohref','hreflang','shape');
1e3254	1525
f5d2ee	1526	return "<$tag" . html::attrib_string($attrib, $allow) . $end;
e5af2f	1527	}
4e17e6	1528
45f56c	1529	/**
T	1530	* decode address string and re-format it as HTML links
	1531	*/
765ecb	1532	function rcmail_address_string($input, $max=null, $linked=false, $addicon=null, $default_charset=null, $title=null)
8e44f4	1533	{
f5d2ee	1534	global $RCMAIL, $PRINT_MODE;
1088d6	1535
f5d2ee	1536	$a_parts = rcube_mime::decode_address_list($input, null, true, $default_charset);
4e17e6	1537
f5d2ee	1538	if (!sizeof($a_parts)) {
AM	1539	return $input;
ff7542	1540	}
AM	1541
f5d2ee	1542	$c = count($a_parts);
AM	1543	$j = 0;
	1544	$out = '';
	1545	$allvalues = array();
	1546	$show_email = $RCMAIL->config->get('message_show_email');
e99991	1547
f5d2ee	1548	if ($addicon && !isset($_SESSION['writeable_abook'])) {
AM	1549	$_SESSION['writeable_abook'] = $RCMAIL->get_address_sources(true) ? true : false;
8e44f4	1550	}
969cb0	1551
f5d2ee	1552	foreach ($a_parts as $part) {
AM	1553	$j++;
	1554
	1555	$name = $part['name'];
	1556	$mailto = $part['mailto'];
	1557	$string = $part['string'];
	1558	$valid = rcube_utils::check_email($mailto, false);
	1559
	1560	// phishing email prevention (#1488981), e.g. "valid@email.addr <phishing@email.addr>"
	1561	if (!$show_email && $valid && $name && $name != $mailto && strpos($name, '@')) {
	1562	$name = '';
	1563	}
	1564
	1565	// IDNA ASCII to Unicode
	1566	if ($name == $mailto)
	1567	$name = rcube_utils::idn_to_utf8($name);
	1568	if ($string == $mailto)
	1569	$string = rcube_utils::idn_to_utf8($string);
	1570	$mailto = rcube_utils::idn_to_utf8($mailto);
	1571
	1572	if ($PRINT_MODE) {
	1573	$address = sprintf('%s <%s>', rcube::Q($name), rcube::Q($mailto));
	1574	}
	1575	else if ($valid) {
	1576	if ($linked) {
	1577	$attrs = array(
	1578	'href' => 'mailto:' . $mailto,
	1579	'class' => 'rcmContactAddress',
	1580	'onclick' => sprintf("return %s.command('compose','%s',this)",
	1581	rcmail_output::JS_OBJECT_NAME, rcube::JQ(format_email_recipient($mailto, $name))),
	1582	);
	1583
	1584	if ($show_email && $name && $mailto) {
	1585	$content = rcube::Q($name ? sprintf('%s <%s>', $name, $mailto) : $mailto);
	1586	}
	1587	else {
	1588	$content = rcube::Q($name ? $name : $mailto);
	1589	$attrs['title'] = $mailto;
	1590	}
	1591
	1592	$address = html::a($attrs, $content);
	1593	}
	1594	else {
	1595	$address = html::span(array('title' => $mailto, 'class' => "rcmContactAddress"),
	1596	rcube::Q($name ? $name : $mailto));
	1597	}
	1598
	1599	if ($addicon && $_SESSION['writeable_abook']) {
	1600	$address .= html::a(array(
	1601	'href' => "#add",
	1602	'title' => $RCMAIL->gettext('addtoaddressbook'),
	1603	'class' => 'rcmaddcontact',
	1604	'onclick' => sprintf("return %s.command('add-contact','%s',this)",
	1605	rcmail_output::JS_OBJECT_NAME, rcube::JQ($string)),
	1606	),
	1607	html::img(array(
	1608	'src' => $RCMAIL->config->get('skin_path') . $addicon,
	1609	'alt' => "Add contact",
	1610	)));
	1611	}
969cb0	1612	}
AM	1613	else {
f5d2ee	1614	$address = '';
AM	1615	if ($name)
	1616	$address .= rcube::Q($name);
	1617	if ($mailto)
	1618	$address = trim($address . ' ' . rcube::Q($name ? sprintf('<%s>', $mailto) : $mailto));
969cb0	1619	}
AM	1620
f5d2ee	1621	$address = html::span('adr', $address);
AM	1622	$allvalues[] = $address;
8e44f4	1623
f5d2ee	1624	if (!$moreadrs)
AM	1625	$out .= ($out ? ', ' : '') . $address;
	1626
	1627	if ($max && $j == $max && $c > $j) {
	1628	if ($linked) {
	1629	$moreadrs = $c - $j;
	1630	}
	1631	else {
	1632	$out .= '...';
	1633	break;
	1634	}
	1635	}
8e44f4	1636	}
9800a8	1637
f5d2ee	1638	if ($moreadrs) {
AM	1639	if ($PRINT_MODE) {
	1640	$out .= ' ' . html::a(array(
	1641	'href' => '#more',
	1642	'class' => 'morelink',
	1643	'onclick' => '$(this).hide().next().show()',
	1644	),
	1645	rcube::Q($RCMAIL->gettext(array('name' => 'andnmore', 'vars' => array('nr' => $moreadrs)))))
	1646	. html::span(array('style' => 'display:none'), join(', ', $allvalues));
	1647	}
	1648	else {
	1649	$out .= ' ' . html::a(array(
	1650	'href' => '#more',
	1651	'class' => 'morelink',
	1652	'onclick' => sprintf("return %s.show_popup_dialog('%s','%s')",
	1653	rcmail_output::JS_OBJECT_NAME,
	1654	rcube::JQ(join(', ', $allvalues)),
	1655	rcube::JQ($title))
	1656	),
	1657	rcube::Q($RCMAIL->gettext(array('name' => 'andnmore', 'vars' => array('nr' => $moreadrs)))));
	1658	}
4e17e6	1659	}
9800a8	1660
f5d2ee	1661	return $out;
8e44f4	1662	}
4e17e6	1663
ccd63c	1664	/**
T	1665	* Wrap text to a given number of characters per line
6b6f2e	1666	* but respect the mail quotation of replies messages (>).
db108e	1667	* Finally add another quotation level by prepending the lines
6b6f2e	1668	* with >
ccd63c	1669	*
T	1670	* @param string Text to wrap
db108e	1671	* @param int The line width
ccd63c	1672	* @return string The wrapped text
T	1673	*/
6b6f2e	1674	function rcmail_wrap_and_quote($text, $length = 72)
ccd63c	1675	{
f5d2ee	1676	// Rebuild the message body with a maximum of $max chars, while keeping quoted message.
AM	1677	$max = max(75, $length + 8);
	1678	$lines = preg_split('/\r?\n/', trim($text));
	1679	$out = '';
ccd63c	1680
f5d2ee	1681	foreach ($lines as $line) {
AM	1682	// don't wrap already quoted lines
	1683	if ($line[0] == '>') {
	1684	$line = '>' . rtrim($line);
	1685	}
	1686	else if (mb_strlen($line) > $max) {
	1687	$newline = '';
	1688
	1689	foreach (explode("\n", rcube_mime::wordwrap($line, $length - 2)) as $l) {
	1690	if (strlen($l))
	1691	$newline .= '> ' . $l . "\n";
	1692	else
	1693	$newline .= ">\n";
	1694	}
	1695
	1696	$line = rtrim($newline);
	1697	}
	1698	else {
	1699	$line = '> ' . $line;
	1700	}
	1701
	1702	// Append the line
	1703	$out .= $line . "\n";
ccd63c	1704	}
T	1705
f5d2ee	1706	return rtrim($out, "\n");
ccd63c	1707	}
T	1708
bc404f	1709	function rcmail_draftinfo_encode($p)
T	1710	{
f5d2ee	1711	$parts = array();
AM	1712	foreach ($p as $key => $val) {
	1713	$parts[] = $key . '=' . ($key == 'folder' ? base64_encode($val) : $val);
	1714	}
9800a8	1715
f5d2ee	1716	return join('; ', $parts);
bc404f	1717	}
T	1718
	1719	function rcmail_draftinfo_decode($str)
	1720	{
f5d2ee	1721	$info = array();
9800a8	1722
f5d2ee	1723	foreach (preg_split('/;\s+/', $str) as $part) {
AM	1724	list($key, $val) = explode('=', $part, 2);
	1725	if ($key == 'folder') {
	1726	$val = base64_decode($val);
	1727	}
	1728
	1729	$info[$key] = $val;
	1730	}
	1731
	1732	return $info;
bc404f	1733	}
T	1734
45f56c	1735	/**
T	1736	* clear message composing settings
	1737	*/
4591de	1738	function rcmail_compose_cleanup($id)
e99991	1739	{
f5d2ee	1740	if (!isset($_SESSION['compose_data_'.$id])) {
AM	1741	return;
	1742	}
70d4b9	1743
f5d2ee	1744	$rcmail = rcmail::get_instance();
AM	1745	$rcmail->plugins->exec_hook('attachments_cleanup', array('group' => $id));
	1746	$rcmail->session->remove('compose_data_'.$id);
e99991	1747	}
fba1f5	1748
T	1749	/**
a99968	1750	* Send the MDN response
A	1751	*
	1752	* @param mixed $message Original message object (rcube_message) or UID
	1753	* @param array $smtp_error SMTP error array (reference)
	1754	*
	1755	* @return boolean Send status
	1756	*/
	1757	function rcmail_send_mdn($message, &$smtp_error)
0ea884	1758	{
f5d2ee	1759	global $RCMAIL;
8fa58e	1760
f5d2ee	1761	if (!is_object($message) \|\| !is_a($message, 'rcube_message')) {
AM	1762	$message = new rcube_message($message);
f59cfe	1763	}
AM	1764
f5d2ee	1765	if ($message->headers->mdn_to && empty($message->headers->flags['MDNSENT']) &&
AM	1766	($RCMAIL->storage->check_permflag('MDNSENT') \|\| $RCMAIL->storage->check_permflag('*'))
	1767	) {
	1768	$identity = rcmail_identity_select($message);
	1769	$sender = format_email_recipient($identity['email'], $identity['name']);
	1770	$recipient = array_shift(rcube_mime::decode_address_list(
	1771	$message->headers->mdn_to, 1, true, $message->headers->charset));
	1772	$mailto = $recipient['mailto'];
	1773
	1774	$compose = new Mail_mime("\r\n");
	1775
	1776	$compose->setParam('text_encoding', 'quoted-printable');
	1777	$compose->setParam('html_encoding', 'quoted-printable');
	1778	$compose->setParam('head_encoding', 'quoted-printable');
	1779	$compose->setParam('head_charset', RCUBE_CHARSET);
	1780	$compose->setParam('html_charset', RCUBE_CHARSET);
	1781	$compose->setParam('text_charset', RCUBE_CHARSET);
	1782
	1783	// compose headers array
	1784	$headers = array(
	1785	'Date' => $RCMAIL->user_date(),
	1786	'From' => $sender,
	1787	'To' => $message->headers->mdn_to,
	1788	'Subject' => $RCMAIL->gettext('receiptread') . ': ' . $message->subject,
	1789	'Message-ID' => $RCMAIL->gen_message_id(),
	1790	'X-Sender' => $identity['email'],
	1791	'References' => trim($message->headers->references . ' ' . $message->headers->messageID),
175ca6	1792	'In-Reply-To' => $message->headers->messageID,
f5d2ee	1793	);
AM	1794
	1795	$report = "Final-Recipient: rfc822; {$identity['email']}\r\n"
	1796	. "Original-Message-ID: {$message->headers->messageID}\r\n"
	1797	. "Disposition: manual-action/MDN-sent-manually; displayed\r\n";
	1798
	1799	if ($message->headers->to) {
	1800	$report .= "Original-Recipient: {$message->headers->to}\r\n";
	1801	}
	1802
	1803	if ($agent = $RCMAIL->config->get('useragent')) {
	1804	$headers['User-Agent'] = $agent;
	1805	$report .= "Reporting-UA: $agent\r\n";
	1806	}
	1807
175ca6	1808	$to = rcube_mime::decode_mime_string($message->headers->to, $message->headers->charset);
AM	1809	$date = $RCMAIL->format_date($message->headers->date, $RCMAIL->config->get('date_long'));
f5d2ee	1810	$body = $RCMAIL->gettext("yourmessage") . "\r\n\r\n" .
175ca6	1811	"\t" . $RCMAIL->gettext("to") . ": {$to}\r\n" .
AM	1812	"\t" . $RCMAIL->gettext("subject") . ": {$message->subject}\r\n" .
	1813	"\t" . $RCMAIL->gettext("date") . ": {$date}\r\n" .
f5d2ee	1814	"\r\n" . $RCMAIL->gettext("receiptnote");
AM	1815
175ca6	1816	$compose->headers(array_filter($headers));
f5d2ee	1817	$compose->setContentType('multipart/report', array('report-type'=> 'disposition-notification'));
AM	1818	$compose->setTXTBody(rcube_mime::wordwrap($body, 75, "\r\n"));
	1819	$compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');
	1820
175ca6	1821	// SMTP options
AM	1822	$options = array('mdn_use_from' => (bool) $RCMAIL->config->get('mdn_use_from'));
f5d2ee	1823
AM	1824	$sent = $RCMAIL->deliver_message($compose, $identity['email'], $mailto, $smtp_error, $body_file, $options);
	1825
	1826	if ($sent) {
	1827	$RCMAIL->storage->set_flag($message->uid, 'MDNSENT');
	1828	return true;
	1829	}
f59cfe	1830	}
232535	1831
f5d2ee	1832	return false;
0ea884	1833	}
T	1834
a0e3dc	1835	/**
AM	1836	* Detect recipient identity from specified message
	1837	*/
	1838	function rcmail_identity_select($MESSAGE, $identities = null, $compose_mode = 'reply')
	1839	{
	1840	$a_recipients = array();
	1841	$a_names = array();
	1842
	1843	if ($identities === null) {
	1844	$identities = rcmail::get_instance()->user->list_identities(null, true);
	1845	}
	1846
	1847	// extract all recipients of the reply-message
	1848	if (is_object($MESSAGE->headers) && in_array($compose_mode, array('reply', 'forward'))) {
	1849	$a_to = rcube_mime::decode_address_list($MESSAGE->headers->to, null, true, $MESSAGE->headers->charset);
	1850	foreach ($a_to as $addr) {
	1851	if (!empty($addr['mailto'])) {
53b4c7	1852	$a_recipients[] = strtolower($addr['mailto']);
a0e3dc	1853	$a_names[] = $addr['name'];
AM	1854	}
	1855	}
	1856
	1857	if (!empty($MESSAGE->headers->cc)) {
	1858	$a_cc = rcube_mime::decode_address_list($MESSAGE->headers->cc, null, true, $MESSAGE->headers->charset);
	1859	foreach ($a_cc as $addr) {
	1860	if (!empty($addr['mailto'])) {
53b4c7	1861	$a_recipients[] = strtolower($addr['mailto']);
a0e3dc	1862	$a_names[] = $addr['name'];
AM	1863	}
	1864	}
	1865	}
	1866	}
	1867
a8b004	1868	// decode From: address
AM	1869	$from = rcube_mime::decode_address_list($MESSAGE->headers->from, null, true, $MESSAGE->headers->charset);
	1870	$from = array_shift($from);
	1871	$from['mailto'] = strtolower($from['mailto']);
	1872
	1873	$from_idx = null;
	1874	$found_idx = array('to' => null, 'from' => null);
	1875	$check_from = in_array($compose_mode, array('draft', 'edit', 'reply'));
a0e3dc	1876
AM	1877	// Select identity
	1878	foreach ($identities as $idx => $ident) {
a8b004	1879	// use From: header when in edit/draft or reply-to-self
AM	1880	if ($check_from && $from['mailto'] == strtolower($ident['email_ascii'])) {
	1881	// remember first matching identity address
	1882	if ($found_idx['from'] === null) {
	1883	$found_idx['from'] = $idx;
	1884	}
	1885	// match identity name
	1886	if ($from['name'] && $ident['name'] && $from['name'] == $ident['name']) {
a0e3dc	1887	$from_idx = $idx;
AM	1888	break;
	1889	}
	1890	}
a8b004	1891	// use replied/forwarded message recipients
53b4c7	1892	else if (($found = array_search(strtolower($ident['email_ascii']), $a_recipients)) !== false) {
a8b004	1893	// remember first matching identity address
AM	1894	if ($found_idx['to'] === null) {
	1895	$found_idx['to'] = $idx;
a0e3dc	1896	}
AM	1897	// match identity name
	1898	if ($a_names[$found] && $ident['name'] && $a_names[$found] == $ident['name']) {
	1899	$from_idx = $idx;
	1900	break;
	1901	}
	1902	}
	1903	}
	1904
a8b004	1905	// If matching by name+address didn't find any matches,
AM	1906	// get first found identity (address) if any
a0e3dc	1907	if ($from_idx === null) {
a8b004	1908	$from_idx = $found_idx['from'] !== null ? $found_idx['from'] : $found_idx['to'];
a0e3dc	1909	}
AM	1910
	1911	// Try Return-Path
	1912	if ($from_idx === null && ($return_path = $MESSAGE->headers->others['return-path'])) {
c20fa4	1913	$return_path = array_map('strtolower', (array) $return_path);
AM	1914
a0e3dc	1915	foreach ($identities as $idx => $ident) {
f09b16	1916	// Return-Path header contains an email address, but on some mailing list
AM	1917	// it can be e.g. <pear-dev-return-55250-local=domain.tld@lists.php.net>
	1918	// where local@domain.tld is the address we're looking for (#1489241)
c20fa4	1919	$ident1 = strtolower($ident['email_ascii']);
f09b16	1920	$ident2 = str_replace('@', '=', $ident1);
c20fa4	1921	$ident1 = '<' . $ident1 . '>';
AM	1922	$ident2 = '-' . $ident2 . '@';
f09b16	1923
c20fa4	1924	foreach ($return_path as $path) {
AM	1925	if ($path == $ident1 \|\| stripos($path, $ident2)) {
af9dbd	1926	$from_idx = $idx;
AM	1927	break 2;
	1928	}
a0e3dc	1929	}
AM	1930	}
	1931	}
	1932
b825f8	1933	// See identity_select plugin for example usage of this hook
AM	1934	$plugin = rcmail::get_instance()->plugins->exec_hook('identity_select',
	1935	array('message' => $MESSAGE, 'identities' => $identities, 'selected' => $from_idx));
a0e3dc	1936
b825f8	1937	$selected = $plugin['selected'];
a0e3dc	1938
a8b004	1939	// default identity is always first on the list
AM	1940	return $identities[$selected !== null ? $selected : 0];
a0e3dc	1941	}
2bf3cc	1942
e0bd70	1943	// Fixes some content-type names
A	1944	function rcmail_fix_mimetype($name)
	1945	{
f5d2ee	1946	// Some versions of Outlook create garbage Content-Type:
AM	1947	// application/pdf.A520491B_3BF7_494D_8855_7FAC2C6C0608
	1948	if (preg_match('/^application\/pdf.+/', $name)) {
	1949	$name = 'application/pdf';
	1950	}
	1951	// treat image/pjpeg (image/pjpg, image/jpg) as image/jpeg (#1489097)
	1952	else if (preg_match('/^image\/p?jpe?g$/', $name)) {
	1953	$name = 'image/jpeg';
	1954	}
090c49	1955
f5d2ee	1956	return $name;
e0bd70	1957	}
2bf3cc	1958
be72fb	1959	// return attachment filename, handle empty filename case
830fd2	1960	function rcmail_attachment_name($attachment, $display = false)
be72fb	1961	{
6b2b2e	1962	global $RCMAIL;
AM	1963
be72fb	1964	$filename = $attachment->filename;
AM	1965
	1966	if ($filename === null \|\| $filename === '') {
	1967	if ($attachment->mimetype == 'text/html') {
6b2b2e	1968	$filename = $RCMAIL->gettext('htmlmessage');
be72fb	1969	}
AM	1970	else {
726297	1971	$ext = (array) rcube_mime::get_mime_extensions($attachment->mimetype);
be72fb	1972	$ext = array_shift($ext);
6b2b2e	1973	$filename = $RCMAIL->gettext('messagepart') . ' ' . $attachment->mime_id;
be72fb	1974	if ($ext) {
AM	1975	$filename .= '.' . $ext;
	1976	}
	1977	}
	1978	}
	1979
	1980	$filename = preg_replace('[\r\n]', '', $filename);
	1981
830fd2	1982	// Display smart names for some known mimetypes
AM	1983	if ($display) {
	1984	if (preg_match('/application\/(pgp\|pkcs7)-signature/i', $attachment->mimetype)) {
6b2b2e	1985	$filename = $RCMAIL->gettext('digitalsig');
830fd2	1986	}
AM	1987	}
	1988
be72fb	1989	return $filename;
AM	1990	}
	1991
e538b3	1992	function rcmail_search_filter($attrib)
A	1993	{
f5d2ee	1994	global $RCMAIL;
e538b3	1995
f5d2ee	1996	if (!strlen($attrib['id']))
AM	1997	$attrib['id'] = 'rcmlistfilter';
e538b3	1998
f5d2ee	1999	$attrib['onchange'] = rcmail_output::JS_OBJECT_NAME.'.filter_mailbox(this.value)';
9800a8	2000
f5d2ee	2001	// Content-Type values of messages with attachments
AM	2002	// the same as in app.js:add_message_row()
	2003	$ctypes = array('application/', 'multipart/m', 'multipart/signed', 'multipart/report');
bb7c52	2004
f5d2ee	2005	// Build search string of "with attachment" filter
ceff79	2006	$attachment = trim(str_repeat(' OR', count($ctypes)-1));
f5d2ee	2007	foreach ($ctypes as $type) {
AM	2008	$attachment .= ' HEADER Content-Type ' . rcube_imap_generic::escape($type);
	2009	}
e538b3	2010
f5d2ee	2011	$select_filter = new html_select($attrib);
AM	2012	$select_filter->add($RCMAIL->gettext('all'), 'ALL');
	2013	$select_filter->add($RCMAIL->gettext('unread'), 'UNSEEN');
	2014	$select_filter->add($RCMAIL->gettext('flagged'), 'FLAGGED');
	2015	$select_filter->add($RCMAIL->gettext('unanswered'), 'UNANSWERED');
	2016	if (!$RCMAIL->config->get('skip_deleted')) {
	2017	$select_filter->add($RCMAIL->gettext('deleted'), 'DELETED');
	2018	$select_filter->add($RCMAIL->gettext('undeleted'), 'UNDELETED');
	2019	}
	2020	$select_filter->add($RCMAIL->gettext('withattachment'), $attachment);
	2021	$select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('highest'), 'HEADER X-PRIORITY 1');
	2022	$select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('high'), 'HEADER X-PRIORITY 2');
	2023	$select_filter->add($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');
	2024	$select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('low'), 'HEADER X-PRIORITY 4');
	2025	$select_filter->add($RCMAIL->gettext('priority').': '.$RCMAIL->gettext('lowest'), 'HEADER X-PRIORITY 5');
e538b3	2026
f5d2ee	2027	$out = $select_filter->show($_SESSION['search_filter']);
e538b3	2028
f5d2ee	2029	$RCMAIL->output->add_gui_object('search_filter', $attrib['id']);
e538b3	2030
f5d2ee	2031	return $out;
e538b3	2032	}
A	2033
64e3e8	2034	function rcmail_message_error($uid=null)
A	2035	{
f5d2ee	2036	global $RCMAIL;
64e3e8	2037
f5d2ee	2038	// Set env variables for messageerror.html template
AM	2039	if ($RCMAIL->action == 'show') {
	2040	$mbox_name = $RCMAIL->storage->get_folder();
	2041
	2042	$RCMAIL->output->set_env('mailbox', $mbox_name);
	2043	$RCMAIL->output->set_env('uid', null);
	2044	}
	2045
	2046	// display error message
	2047	$RCMAIL->output->show_message('messageopenerror', 'error');
	2048	// ... display message error page
	2049	$RCMAIL->output->send('messageerror');
64e3e8	2050	}
9b3fdc	2051
4f53ab	2052	function rcmail_message_import_form($attrib = array())
TB	2053	{
f5d2ee	2054	global $RCMAIL;
4f53ab	2055
f5d2ee	2056	// set defaults
AM	2057	$attrib += array('id' => 'rcmImportform', 'buttons' => 'yes');
4f53ab	2058
f5d2ee	2059	// Get filesize, enable upload progress bar
AM	2060	$max_filesize = $RCMAIL->upload_init();
4f53ab	2061
f5d2ee	2062	$button = new html_inputfield(array('type' => 'button'));
AM	2063	$fileinput = new html_inputfield(array(
	2064	'type' => 'file',
	2065	'name' => '_file[]',
	2066	'multiple' => 'multiple',
	2067	'accept' => ".eml, .mbox, message/rfc822, text/*",
	2068	));
4f53ab	2069
f5d2ee	2070	$content = html::tag('input', array('type' => 'hidden', 'name' => '_unlock', 'value' => ''))
AM	2071	. html::div(null, $fileinput->show())
	2072	. html::div('hint', $RCMAIL->gettext(array('name' => 'maxuploadsize', 'vars' => array('size' => $max_filesize))));
4f53ab	2073
f5d2ee	2074	if (rcube_utils::get_boolean($attrib['buttons'])) {
AM	2075	$content .= html::div('buttons',
	2076	$button->show($RCMAIL->gettext('close'), array('class' => 'button', 'onclick' => "$('#$attrib[id]').hide()"))
	2077	. ' ' .
	2078	$button->show($RCMAIL->gettext('upload'), array(
	2079	'class' => 'button mainaction',
	2080	'onclick' => rcmail_output::JS_OBJECT_NAME . ".command('import-messages', this.form)"
	2081	)));
	2082	}
	2083
	2084	$out = $RCMAIL->output->form_tag(array(
	2085	'id' => $attrib['id'].'Frm',
	2086	'method' => 'post',
	2087	'enctype' => 'multipart/form-data'
	2088	),
	2089	$content);
	2090
	2091	$RCMAIL->output->add_gui_object('importform', $attrib['id'].'Frm');
8d3b27	2092	$RCMAIL->output->add_label('selectimportfile','importwait');
f5d2ee	2093
AM	2094	return html::div($attrib, $out);
4f53ab	2095	}
700e3c	2096
TB	2097	/**
	2098	* Add groups from the given address source to the address book widget
	2099	*/
	2100	function rcmail_compose_contact_groups($abook, $source_id, $search = null, $search_mode = 0)
	2101	{
	2102	global $RCMAIL, $OUTPUT;
	2103
	2104	$jsresult = array();
	2105	foreach ($abook->list_groups($search, $search_mode) as $group) {
	2106	$abook->reset();
	2107	$abook->set_group($group['ID']);
	2108	$group_prop = $abook->get_group($group['ID']);
	2109
	2110	// group (distribution list) with email address(es)
	2111	if ($group_prop['email']) {
	2112	foreach ((array)$group_prop['email'] as $email) {
	2113	$row_id = 'G'.$group['ID'];
	2114	$jsresult[$row_id] = format_email_recipient($email, $group['name']);
	2115	$OUTPUT->command('add_contact_row', $row_id, array(
	2116	'contactgroup' => html::span(array('title' => $email), rcube::Q($group['name']))), 'group');
	2117	}
	2118	}
	2119	// make virtual groups clickable to list their members
	2120	else if ($group_prop['virtual']) {
	2121	$row_id = 'G'.$group['ID'];
	2122	$OUTPUT->command('add_contact_row', $row_id, array(
	2123	'contactgroup' => html::a(array(
	2124	'href' => '#list',
	2125	'rel' => $group['ID'],
	2126	'title' => $RCMAIL->gettext('listgroup'),
	2127	'onclick' => sprintf("return %s.command('pushgroup',{'source':'%s','id':'%s'},this,event)",
	2128	rcmail_output::JS_OBJECT_NAME, $source_id, $group['ID']),
	2129	), rcube::Q($group['name']) . ' ' . html::span('action', '»'))),
	2130	'group',
	2131	array('ID' => $group['ID'], 'name' => $group['name'], 'virtual' => true));
	2132	}
	2133	// show group with count
	2134	else if (($result = $abook->count()) && $result->count) {
	2135	$row_id = 'E'.$group['ID'];
	2136	$jsresult[$row_id] = $group['name'];
	2137	$OUTPUT->command('add_contact_row', $row_id, array(
	2138	'contactgroup' => rcube::Q($group['name'] . ' (' . intval($result->count) . ')')), 'group');
	2139	}
	2140	}
	2141
	2142	$abook->reset();
	2143	$abook->set_group(0);
	2144
	2145	return $jsresult;
	2146	}