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roundcubemail/program/steps/mail/func.inc

2288 lines
79 KiB
PHP

<?php
/**
+-----------------------------------------------------------------------+
| program/steps/mail/func.inc |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2014, 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($RCMAIL, 'quota_display'),
'messages' => 'rcmail_message_list',
'messagecountdisplay' => 'rcmail_messagecount_display',
'listmenulink' => 'rcmail_options_menu_link',
'mailboxname' => 'rcmail_mailbox_name_display',
'messageheaders' => 'rcmail_message_headers',
'messagefullheaders' => 'rcmail_message_full_headers',
'messagebody' => 'rcmail_message_body',
'messagecontentframe' => 'rcmail_messagecontent_frame',
'messageimportform' => 'rcmail_message_import_form',
'searchfilter' => 'rcmail_search_filter',
'searchinterval' => 'rcmail_search_interval',
'searchform' => array($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)) $cont = '&nbsp;'; // for widescreen mode
}
else if ($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 = $RCMAIL->gettext('listoptions');
if (is_string($attrib['optionsmenuicon']) && $attrib['optionsmenuicon'] != 'true') {
$inner = html::img(array('src' => $RCMAIL->output->abs_url($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',
), $inner);
}
/**
* Return an HTML iframe for loading mail content
*/
function rcmail_messagecontent_frame($attrib)
{
global $OUTPUT;
if (empty($attrib['id'])) {
$attrib['id'] = 'rcmailcontentwindow';
}
return $OUTPUT->frame($attrib, true);
}
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;
$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 cannot work without that
$meta = '<meta http-equiv="Content-Type" content="text/html; 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', '', $html);
$html = preg_replace('/(<head[^>]*>)/Ui', '\\1'.$meta, $html, -1, $rcount);
if (!$rcount) {
$html = '<head>' . $meta . '</head>' . $html;
}
// clean HTML with washhtml by Frederic Motte
$wash_opts = array(
'show_washed' => false,
'allow_remote' => $p['safe'],
'blocked_src' => '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
$stripped = preg_replace('/[^a-zA-Z\(:;]/', '', rcube_utils::xss_entity_decode($content));
// 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'), $content);
}
break;
}
default:
$out = '';
}
return $out;
}
/**
* return table with message headers
*/
function rcmail_message_headers($attrib, $headers=null)
{
global $MESSAGE, $PRINT_MODE, $RCMAIL;
static $sa_attrib;
// keep header table attrib
if (is_array($attrib) && !$sa_attrib && !$attrib['valueof']) {
$sa_attrib = $attrib;
}
else if (!is_array($attrib) && is_array($sa_attrib)) {
$attrib = $sa_attrib;
}
if (!isset($MESSAGE)) {
return false;
}
// get associative array of headers object
if (!$headers) {
$headers_obj = $MESSAGE->headers;
$headers = get_object_vars($MESSAGE->headers);
}
else if (is_object($headers)) {
$headers_obj = $headers;
$headers = get_object_vars($headers_obj);
}
else {
$headers_obj = rcube_message_header::from_array($headers);
}
// show these headers
$standard_headers = array('subject', 'from', 'sender', 'to', 'cc', 'bcc', 'replyto',
'mail-reply-to', 'mail-followup-to', 'date', 'priority');
$exclude_headers = $attrib['exclude'] ? explode(',', $attrib['exclude']) : array();
$output_headers = array();
foreach ($standard_headers as $hkey) {
if ($headers[$hkey])
$value = $headers[$hkey];
else if ($headers['others'][$hkey])
$value = $headers['others'][$hkey];
else if (!$attrib['valueof'])
continue;
if (in_array($hkey, $exclude_headers))
continue;
$ishtml = false;
$header_title = $RCMAIL->gettext(preg_replace('/(^mail-|-)/', '', $hkey));
if ($hkey == 'date') {
if ($PRINT_MODE)
$header_value = $RCMAIL->format_date($value, $RCMAIL->config->get('date_long', 'x'));
else
$header_value = $RCMAIL->format_date($value);
}
else if ($hkey == 'priority') {
if ($value) {
$header_value = html::span('prio' . $value, rcube::Q(rcmail_localized_priority($value)));
$ishtml = true;
}
else {
continue;
}
}
else if ($hkey == 'replyto') {
if ($headers['replyto'] != $headers['from']) {
$header_value = rcmail_address_string($value, $attrib['max'], true,
$attrib['addicon'], $headers['charset'], $header_title);
$ishtml = true;
}
else {
continue;
}
}
else if ($hkey == 'mail-reply-to') {
if ($headers['mail-replyto'] != $headers['replyto']
&& $headers['replyto'] != $headers['from']
) {
$header_value = rcmail_address_string($value, $attrib['max'], true,
$attrib['addicon'], $headers['charset'], $header_title);
$ishtml = true;
}
else {
continue;
}
}
else if ($hkey == 'sender') {
if ($headers['sender'] != $headers['from']) {
$header_value = rcmail_address_string($value, $attrib['max'], true,
$attrib['addicon'], $headers['charset'], $header_title);
$ishtml = true;
}
else {
continue;
}
}
else if ($hkey == 'mail-followup-to') {
$header_value = rcmail_address_string($value, $attrib['max'], true,
$attrib['addicon'], $headers['charset'], $header_title);
$ishtml = true;
}
else if (in_array($hkey, array('from', 'to', 'cc', 'bcc'))) {
$header_value = rcmail_address_string($value, $attrib['max'], true,
$attrib['addicon'], $headers['charset'], $header_title);
$ishtml = true;
}
else if ($hkey == 'subject' && empty($value)) {
$header_value = $RCMAIL->gettext('nosubject');
}
else {
$value = is_array($value) ? implode(' ', $value) : $value;
$header_value = trim(rcube_mime::decode_header($value, $headers['charset']));
}
$output_headers[$hkey] = array(
'title' => $header_title,
'value' => $header_value,
'raw' => $value,
'html' => $ishtml,
);
}
$plugin = $RCMAIL->plugins->exec_hook('message_headers_output', array(
'output' => $output_headers,
'headers' => $headers_obj,
'exclude' => $exclude_headers, // readonly
'folder' => $MESSAGE->folder, // readonly
'uid' => $MESSAGE->uid, // readonly
));
// single header value is requested
if (!empty($attrib['valueof'])) {
$row = $plugin['output'][$attrib['valueof']];
return $row['html'] ? $row['value'] : rcube::Q($row['value']);
}
// compose html table
$table = new html_table(array('cols' => 2));
foreach ($plugin['output'] as $hkey => $row) {
$val = $row['html'] ? $row['value'] : rcube::Q($row['value']);
$table->add(array('class' => 'header-title'), rcube::Q($row['title']));
$table->add(array('class' => 'header '.$hkey), $val);
}
return $table->show($attrib);
}
/**
* Convert Priority header value into a localized string
*/
function rcmail_localized_priority($value)
{
global $RCMAIL;
$labels_map = array(
'1' => 'highest',
'2' => 'high',
'3' => 'normal',
'4' => 'low',
'5' => 'lowest',
);
if ($value && $labels_map[$value]) {
return $RCMAIL->gettext($labels_map[$value]);
}
return '';
}
/**
* return block to show full message headers
*/
function rcmail_message_full_headers($attrib)
{
global $OUTPUT, $RCMAIL;
$html = html::div(array('id' => "all-headers", 'class' => "all", 'style' => 'display:none'), html::div(array('id' => 'headers-source'), ''));
$html .= html::div(array(
'class' => "more-headers show-headers",
'onclick' => "return ".rcmail_output::JS_OBJECT_NAME.".command('show-headers','',this)",
'title' => $RCMAIL->gettext('togglefullheaders')
), '');
$OUTPUT->add_gui_object('all_headers_row', 'all-headers');
$OUTPUT->add_gui_object('all_headers_box', 'headers-source');
return html::div($attrib, $html);
}
/**
* Handler for the 'messagebody' GUI object
*
* @param array Named parameters
* @return string HTML content showing the message body
*/
function rcmail_message_body($attrib)
{
global $OUTPUT, $MESSAGE, $RCMAIL, $REMOTE_OBJECTS;
if (!is_array($MESSAGE->parts) && empty($MESSAGE->body)) {
return '';
}
if (!$attrib['id'])
$attrib['id'] = 'rcmailMsgBody';
$safe_mode = $MESSAGE->is_safe || intval($_GET['_safe']);
$out = '';
$part_no = 0;
$header_attrib = array();
foreach ($attrib as $attr => $value) {
if (preg_match('/^headertable([a-z]+)$/i', $attr, $regs)) {
$header_attrib[$regs[1]] = $value;
}
}
if (!empty($MESSAGE->parts)) {
foreach ($MESSAGE->parts as $part) {
if ($part->type == 'headers') {
$out .= html::div('message-partheaders', rcmail_message_headers(count($header_attrib) ? $header_attrib : null, $part->headers));
}
else if ($part->type == 'content') {
// unsupported (e.g. encrypted)
if ($part->realtype) {
if ($part->realtype == 'multipart/encrypted' || $part->realtype == 'application/pkcs7-mime') {
if (!empty($_SESSION['browser_caps']['pgpmime']) && ($pgp_mime_part = $MESSAGE->get_multipart_encrypted_part())) {
$out .= html::span('part-notice', $RCMAIL->gettext('externalmessagedecryption'));
$OUTPUT->set_env('pgp_mime_part', $pgp_mime_part->mime_id);
$OUTPUT->set_env('pgp_mime_container', '#' . $attrib['id']);
$OUTPUT->add_label('loadingdata');
}
if (!$MESSAGE->encrypted_part) {
$out .= html::span('part-notice', $RCMAIL->gettext('encryptedmessage'));
}
}
continue;
}
else if (!$part->size) {
continue;
}
// Check if we have enough memory to handle the message in it
// #1487424: we need up to 10x more memory than the body
else if (!rcube_utils::mem_check($part->size * 10)) {
$out .= html::span('part-notice', $RCMAIL->gettext('messagetoobig'). ' '
. html::a('?_task=mail&_action=get&_download=1&_uid='.$MESSAGE->uid.'&_part='.$part->mime_id
.'&_mbox='. urlencode($MESSAGE->folder), $RCMAIL->gettext('download')));
continue;
}
// fetch part body
$body = $MESSAGE->get_part_body($part->mime_id, true);
// message is cached but not exists (#1485443), or other error
if ($body === false) {
rcmail_message_error($MESSAGE->uid);
}
$plugin = $RCMAIL->plugins->exec_hook('message_body_prefix',
array('part' => $part, 'prefix' => ''));
// Set attributes of the part container
$container_class = $part->ctype_secondary == 'html' ? 'message-htmlpart' : 'message-part';
$container_id = $container_class . (++$part_no);
$container_attrib = array('class' => $container_class, 'id' => $container_id);
$body_args = array(
'safe' => $safe_mode,
'plain' => !$RCMAIL->config->get('prefer_html'),
'css_prefix' => 'v' . $part_no,
'body_class' => 'rcmBody',
'container_id' => $container_id,
'container_attrib' => $container_attrib,
);
// Parse the part content for display
$body = rcmail_print_body($body, $part, $body_args);
// check if the message body is PGP encrypted
if (strpos($body, '-----BEGIN PGP MESSAGE-----') !== false) {
$OUTPUT->set_env('is_pgp_content', '#' . $container_id);
}
if ($part->ctype_secondary == 'html') {
$body = rcmail_html4inline($body, $body_args);
}
$out .= html::div($container_attrib, $plugin['prefix'] . $body);
}
}
}
else {
// Check if we have enough memory to handle the message in it
// #1487424: we need up to 10x more memory than the body
if (!rcube_utils::mem_check(strlen($MESSAGE->body) * 10)) {
$out .= html::span('part-notice', $RCMAIL->gettext('messagetoobig'). ' '
. html::a('?_task=mail&_action=get&_download=1&_uid='.$MESSAGE->uid.'&_part=0'
.'&_mbox='. urlencode($MESSAGE->folder), $RCMAIL->gettext('download')));
}
else {
$plugin = $RCMAIL->plugins->exec_hook('message_body_prefix',
array('part' => $MESSAGE, 'prefix' => ''));
$out .= html::div('message-part',
$plugin['prefix'] . rcmail_plain_body($MESSAGE->body));
}
}
// list images after mail body
if ($RCMAIL->config->get('inline_images', true) && !empty($MESSAGE->attachments)) {
$thumbnail_size = $RCMAIL->config->get('image_thumbnail_size', 240);
$client_mimetypes = (array)$RCMAIL->config->get('client_mimetypes');
foreach ($MESSAGE->attachments as $attach_prop) {
// skip inline images
if ($attach_prop->content_id && $attach_prop->disposition == 'inline') {
continue;
}
// Content-Type: image/*...
if ($mimetype = rcmail_part_image_type($attach_prop)) {
// display thumbnails
if ($thumbnail_size) {
$supported = in_array($mimetype, $client_mimetypes);
$show_link = array(
'href' => $MESSAGE->get_part_url($attach_prop->mime_id, false),
'onclick' => sprintf(
'return %s.command(\'load-attachment\',\'%s\',this)',
rcmail_output::JS_OBJECT_NAME,
$attach_prop->mime_id)
);
$out .= html::p(array('class' => 'image-attachment', 'style' => $supported ? '' : 'display:none'),
html::a($show_link + array('class' => 'image-link', 'style' => sprintf('width:%dpx', $thumbnail_size)),
html::img(array(
'class' => 'image-thumbnail',
'src' => $MESSAGE->get_part_url($attach_prop->mime_id, 'image') . '&_thumb=1',
'title' => $attach_prop->filename,
'alt' => $attach_prop->filename,
'style' => sprintf('max-width:%dpx; max-height:%dpx', $thumbnail_size, $thumbnail_size),
'onload' => $supported ? '' : '$(this).parents(\'p.image-attachment\').show()',
))
) .
html::span('image-filename', rcube::Q($attach_prop->filename)) .
html::span('image-filesize', rcube::Q($RCMAIL->message_part_size($attach_prop))) .
html::span('attachment-links',
($supported ? html::a($show_link, $RCMAIL->gettext('showattachment')) . '&nbsp;' : '') .
html::a($show_link['href'] . '&_download=1', $RCMAIL->gettext('download'))
) .
html::br(array('style' => 'clear:both'))
);
}
else {
$out .= html::tag('fieldset', 'image-attachment',
html::tag('legend', 'image-filename', rcube::Q($attach_prop->filename)) .
html::p(array('align' => 'center'),
html::img(array(
'src' => $MESSAGE->get_part_url($attach_prop->mime_id, 'image'),
'title' => $attach_prop->filename,
'alt' => $attach_prop->filename,
)))
);
}
}
}
}
// tell client that there are blocked remote objects
if ($REMOTE_OBJECTS && !$safe_mode) {
$OUTPUT->set_env('blockedobjects', true);
}
return html::div($attrib, $out);
}
function rcmail_part_image_type($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', $last_pos)) && ($pos2 = stripos($body, '</style>', $pos))) {
$pos = strpos($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;
}
$body = preg_replace(array(
// add comments around html and other tags
'/(<!DOCTYPE[^>]*>)/i',
'/(<\?xml[^>]*>)/i',
'/(<\/?html[^>]*>)/i',
'/(<\/?head[^>]*>)/i',
'/(<title[^>]*>.*<\/title>)/Ui',
'/(<\/?meta[^>]*>)/i',
// quote <? of php and xml files that are specified as text/html
'/<\?/',
'/\?>/',
// replace <body> with <div>
'/<body([^>]*)>/i',
'/<\/body>/i',
),
array(
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'&lt;?',
'?&gt;',
'<div class="' . $args['body_class'] . '"\\1>',
'</div>',
),
$body);
// Handle body attributes that doesn't play nicely with div elements
$regexp = '/<div class="' . preg_quote($args['body_class'], '/') . '"([^>]*)/';
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('/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('/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;
}
$attributes['style'] = implode('; ', $style);
}
}
// make sure there's 'rcmBody' div, we need it for proper css modification
// its name is hardcoded in rcmail_message_body() also
else {
$body = '<div class="' . $args['body_class'] . '">' . $body . '</div>';
}
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'),
));
$end = ' />';
$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) {
$address = sprintf('%s &lt;%s&gt;', rcube::Q($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' => $RCMAIL->output->abs_url($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';
}
$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 $RCMAIL;
// Set env variables for messageerror.html template
if ($RCMAIL->action == 'show') {
$mbox_name = $RCMAIL->storage->get_folder();
$RCMAIL->output->set_env('mailbox', $mbox_name);
$RCMAIL->output->set_env('uid', null);
}
// display error message
$RCMAIL->output->show_message('messageopenerror', 'error');
// ... display message error page
$RCMAIL->output->send('messageerror');
}
function rcmail_message_import_form($attrib = array())
{
global $RCMAIL;
$RCMAIL->output->add_label('selectimportfile','importwait');
$input_attr = array(
'multiple' => true,
'name' => '_file[]',
'accept' => ".eml, .mbox, message/rfc822, text/*",
);
$attrib['prefix'] = html::tag('input', array('type' => 'hidden', 'name' => '_unlock', 'value' => ''))
. html::tag('input', array('type' => 'hidden', 'name' => '_framed', 'value' => '1'));
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']) . '&nbsp;' . html::span('action', '&raquo;'))),
'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)) {
$temp_dir = unslashify($rcmail->config->get('temp_dir'));
$path = tempnam($temp_dir, 'rcmAttmnt');
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);
}