/
func.inc
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/
func.inc
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<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/func.inc |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2010, The Roundcube Dev Team |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Provide webmail functionality and GUI objects |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
// setup some global vars used by mail steps
$SENT_MBOX = $RCMAIL->config->get('sent_mbox');
$DRAFTS_MBOX = $RCMAIL->config->get('drafts_mbox');
$SEARCH_MODS_DEFAULT = array(
'*' => array('subject'=>1, 'from'=>1),
$SENT_MBOX => array('subject'=>1, 'to'=>1),
$DRAFTS_MBOX => array('subject'=>1, 'to'=>1)
);
// actions that do not require imap connection here
$NOIMAP_ACTIONS = array('addcontact', 'autocomplete', 'upload', 'display-attachment', 'remove-attachment', 'get');
// always instantiate imap object (but not yet connect to server)
$RCMAIL->imap_init();
// log in to imap server
if (!in_array($RCMAIL->action, $NOIMAP_ACTIONS) && !$RCMAIL->imap_connect()) {
$RCMAIL->kill_session();
if ($OUTPUT->ajax_call)
$OUTPUT->redirect(array(), 2000);
$OUTPUT->set_env('task', 'login');
$OUTPUT->send('login');
}
// set imap properties and session vars
if (strlen(trim($mbox = get_input_value('_mbox', RCUBE_INPUT_GPC, true))))
$RCMAIL->imap->set_mailbox(($_SESSION['mbox'] = $mbox));
else if ($RCMAIL->imap)
$_SESSION['mbox'] = $RCMAIL->imap->get_mailbox_name();
if (!empty($_GET['_page']))
$RCMAIL->imap->set_page(($_SESSION['page'] = intval($_GET['_page'])));
// set default sort col/order to session
if (!isset($_SESSION['sort_col']))
$_SESSION['sort_col'] = !empty($CONFIG['message_sort_col']) ? $CONFIG['message_sort_col'] : '';
if (!isset($_SESSION['sort_order']))
$_SESSION['sort_order'] = strtoupper($CONFIG['message_sort_order']) == 'ASC' ? 'ASC' : 'DESC';
// set threads mode
$a_threading = $RCMAIL->config->get('message_threading', array());
if (isset($_GET['_threads'])) {
if ($_GET['_threads'])
$a_threading[$_SESSION['mbox']] = true;
else
unset($a_threading[$_SESSION['mbox']]);
$RCMAIL->user->save_prefs(array('message_threading' => $a_threading));
}
$RCMAIL->imap->set_threading($a_threading[$_SESSION['mbox']]);
// set message set for search result
if (!empty($_REQUEST['_search']) && isset($_SESSION['search'])
&& $_SESSION['search_request'] == $_REQUEST['_search']
) {
$RCMAIL->imap->set_search_set($_SESSION['search']);
$OUTPUT->set_env('search_request', $_REQUEST['_search']);
$OUTPUT->set_env('search_text', $_SESSION['last_text_search']);
}
// set main env variables, labels and page title
if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
$mbox_name = $RCMAIL->imap->get_mailbox_name();
if (empty($RCMAIL->action)) {
// initialize searching result if search_filter is used
if ($_SESSION['search_filter'] && $_SESSION['search_filter'] != 'ALL') {
$search_request = md5($mbox_name.$_SESSION['search_filter']);
$RCMAIL->imap->search($mbox_name, $_SESSION['search_filter'], RCMAIL_CHARSET, $_SESSION['sort_col']);
$_SESSION['search'] = $RCMAIL->imap->get_search_set();
$_SESSION['search_request'] = $search_request;
$OUTPUT->set_env('search_request', $search_request);
}
$search_mods = $RCMAIL->config->get('search_mods', $SEARCH_MODS_DEFAULT);
$OUTPUT->set_env('search_mods', $search_mods);
}
// set current mailbox and some other vars in client environment
$OUTPUT->set_env('mailbox', $mbox_name);
$OUTPUT->set_env('pagesize', $RCMAIL->imap->page_size);
$OUTPUT->set_env('quota', $RCMAIL->imap->get_capability('QUOTA'));
$OUTPUT->set_env('delimiter', $RCMAIL->imap->get_hierarchy_delimiter());
$OUTPUT->set_env('threading', (bool) $RCMAIL->imap->threading);
$OUTPUT->set_env('threads', $RCMAIL->imap->threading || $RCMAIL->imap->get_capability('THREAD'));
$OUTPUT->set_env('preview_pane_mark_read', $RCMAIL->config->get('preview_pane_mark_read', 0));
if ($CONFIG['flag_for_deletion'])
$OUTPUT->set_env('flag_for_deletion', true);
if ($CONFIG['read_when_deleted'])
$OUTPUT->set_env('read_when_deleted', true);
if ($CONFIG['skip_deleted'])
$OUTPUT->set_env('skip_deleted', true);
if ($CONFIG['display_next'])
$OUTPUT->set_env('display_next', true);
if ($CONFIG['forward_attachment'])
$OUTPUT->set_env('forward_attachment', true);
if ($CONFIG['trash_mbox'])
$OUTPUT->set_env('trash_mailbox', $CONFIG['trash_mbox']);
if ($CONFIG['drafts_mbox'])
$OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);
if ($CONFIG['junk_mbox'])
$OUTPUT->set_env('junk_mailbox', $CONFIG['junk_mbox']);
if (!$OUTPUT->ajax_call)
$OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
'copy', 'move', 'quota');
$OUTPUT->set_pagetitle(rcmail_localize_foldername($RCMAIL->imap->mod_mailbox($mbox_name)));
}
/**
* return the message list as HTML table
*/
function rcmail_message_list($attrib)
{
global $RCMAIL, $CONFIG, $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'])) {
$a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
$OUTPUT->set_env('col_movable', !in_array('list_cols', (array)$CONFIG['dont_override']));
}
else {
$a_show_cols = preg_split('/[\s,;]+/', strip_quotes($attrib['columns']));
$attrib['columns'] = $a_show_cols;
}
// save some variables for use in ajax list
$_SESSION['list_attrib'] = $attrib;
$mbox = $RCMAIL->imap->get_mailbox_name();
$delim = $RCMAIL->imap->get_hierarchy_delimiter();
// show 'to' instead of 'from' in sent/draft messages
if ((strpos($mbox.$delim, $CONFIG['sent_mbox'].$delim)===0 || strpos($mbox.$delim, $CONFIG['drafts_mbox'].$delim)===0)
&& (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
$a_show_cols[$f] = 'to';
// 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');
$skin_path = $_SESSION['skin_path'] = $CONFIG['skin_path'];
// set client env
$OUTPUT->add_gui_object('messagelist', $attrib['id']);
$OUTPUT->set_env('autoexpand_threads', intval($CONFIG['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('coltypes', $a_show_cols);
$OUTPUT->include_script('list.js');
$thead = '';
foreach (rcmail_message_list_head($attrib, $a_show_cols) as $cell)
$thead .= html::tag('td', array('class' => $cell['className'], 'id' => $cell['id']), $cell['html']);
return html::tag('table',
$attrib,
html::tag('thead', null, html::tag('tr', null, $thead)) .
html::tag('tbody', null, ''),
array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
}
/**
* return javascript commands to add rows to the message list
*/
function rcmail_js_message_list($a_headers, $insert_top=FALSE, $a_show_cols=null)
{
global $CONFIG, $RCMAIL, $OUTPUT;
if (empty($a_show_cols)) {
if (!empty($_SESSION['list_attrib']['columns']))
$a_show_cols = $_SESSION['list_attrib']['columns'];
else
$a_show_cols = is_array($CONFIG['list_cols']) ? $CONFIG['list_cols'] : array('subject');
}
else {
if (!is_array($a_show_cols))
$a_show_cols = preg_split('/[\s,;]+/', strip_quotes($a_show_cols));
$head_replace = true;
}
$mbox = $RCMAIL->imap->get_mailbox_name();
$delim = $RCMAIL->imap->get_hierarchy_delimiter();
// 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');
$_SESSION['list_attrib']['columns'] = $a_show_cols;
// show 'to' instead of 'from' in sent/draft messages
if ((strpos($mbox.$delim, $CONFIG['sent_mbox'].$delim)===0 || strpos($mbox.$delim, $CONFIG['drafts_mbox'].$delim)===0)
&& (($f = array_search('from', $a_show_cols)) !== false) && array_search('to', $a_show_cols) === false)
$a_show_cols[$f] = 'to';
// Make sure there are no duplicated columns (#1486999)
$a_show_cols = array_unique($a_show_cols);
// Plugins may set header's list_cols/list_flags and other rcube_mail_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'];
$thead = $head_replace ? rcmail_message_list_head($_SESSION['list_attrib'], $a_show_cols) : NULL;
$OUTPUT->command('set_message_coltypes', $a_show_cols, $thead);
if (empty($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[$key]);
}
// loop through message headers
foreach ($a_headers as $n => $header) {
if (empty($header))
continue;
$a_msg_cols = array();
$a_msg_flags = array();
$RCMAIL->imap->set_charset(!empty($header->charset) ? $header->charset : $CONFIG['default_charset']);
// format each col; similar as in rcmail_message_list()
foreach ($a_show_cols as $col) {
if (in_array($col, array('from', 'to', 'cc', 'replyto')))
$cont = Q(rcmail_address_string($header->$col, 3), 'show');
else if ($col=='subject') {
$cont = trim($RCMAIL->imap->decode_header($header->$col));
if (!$cont) $cont = rcube_label('nosubject');
$cont = Q($cont);
}
else if ($col=='size')
$cont = show_bytes($header->$col);
else if ($col=='date')
$cont = format_date($header->date);
else
$cont = Q($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->others['list-post'])
$a_msg_flags['ml'] = 1;
if ($header->priority)
$a_msg_flags['prio'] = (int) $header->priority;
$a_msg_flags['ctype'] = Q($header->ctype);
$a_msg_flags['mbox'] = $mbox;
// 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->imap->threading) {
$OUTPUT->command('init_threads', (array) $roots, $mbox);
}
}
/*
* Creates <THEAD> for message list table
*/
function rcmail_message_list_head($attrib, $a_show_cols)
{
global $CONFIG;
$skin_path = $_SESSION['skin_path'];
$image_tag = html::img(array('src' => "%s%s", 'alt' => "%s"));
// check to see if we have some settings for sorting
$sort_col = $_SESSION['sort_col'];
$sort_order = $_SESSION['sort_order'];
// define sortable columns
$a_sort_cols = array('subject', 'date', 'from', 'to', 'size', 'cc');
if (!empty($attrib['optionsmenuicon'])) {
$onclick = 'return ' . JS_OBJECT_NAME . ".command('menu-open', 'messagelistmenu')";
if ($attrib['optionsmenuicon'] === true || $attrib['optionsmenuicon'] == 'true')
$list_menu = html::div(array('onclick' => $onclick, 'class' => 'listmenu',
'id' => 'listmenulink', 'title' => rcube_label('listoptions')));
else
$list_menu = html::a(array('href' => '#', 'onclick' => $onclick),
html::img(array('src' => $skin_path . $attrib['optionsmenuicon'],
'id' => 'listmenulink', 'title' => rcube_label('listoptions')))
);
}
else
$list_menu = '';
$cells = array();
foreach ($a_show_cols as $col) {
// get column name
switch ($col) {
case 'flag':
$col_name = '<span class="flagged"> </span>';
break;
case 'attachment':
case 'priority':
case 'status':
$col_name = '<span class="' . $col .'"> </span>';
break;
case 'threads':
$col_name = $list_menu;
break;
default:
$col_name = Q(rcube_label($col));
}
// make sort links
if (in_array($col, $a_sort_cols))
$col_name = html::a(array('href'=>"./#sort", 'onclick' => 'return '.JS_OBJECT_NAME.".command('sort','".$col."',this)", 'title' => rcube_label('sortby')), $col_name);
$sort_class = $col == $sort_col ? " sorted$sort_order" : '';
$class_name = $col.$sort_class;
// put it all together
$cells[] = array('className' => $class_name, 'id' => "rcm$col", 'html' => $col_name);
}
return $cells;
}
/**
* return an HTML iframe for loading mail content
*/
function rcmail_messagecontent_frame($attrib)
{
global $OUTPUT, $RCMAIL;
if (empty($attrib['id']))
$attrib['id'] = 'rcmailcontentwindow';
$attrib['name'] = $attrib['id'];
if ($RCMAIL->config->get('preview_pane'))
$OUTPUT->set_env('contentframe', $attrib['id']);
$OUTPUT->set_env('blankpage', $attrib['src'] ? $OUTPUT->abs_url($attrib['src']) : 'program/blank.gif');
return html::iframe($attrib);
}
function rcmail_messagecount_display($attrib)
{
global $RCMAIL;
if (!$attrib['id'])
$attrib['id'] = 'rcmcountdisplay';
$RCMAIL->output->add_gui_object('countdisplay', $attrib['id']);
$content = $RCMAIL->action != 'show' ? rcmail_get_messagecount_text() : rcube_label('loading');
return html::span($attrib, $content);
}
function rcmail_get_messagecount_text($count=NULL, $page=NULL)
{
global $RCMAIL;
if ($page===NULL)
$page = $RCMAIL->imap->list_page;
$start_msg = ($page-1) * $RCMAIL->imap->page_size + 1;
if ($count!==NULL)
$max = $count;
else if ($RCMAIL->action)
$max = $RCMAIL->imap->messagecount(NULL, $RCMAIL->imap->threading ? 'THREADS' : 'ALL');
if ($max==0)
$out = rcube_label('mailboxempty');
else
$out = rcube_label(array('name' => $RCMAIL->imap->threading ? 'threadsfromto' : 'messagesfromto',
'vars' => array('from' => $start_msg,
'to' => min($max, $start_msg + $RCMAIL->imap->page_size - 1),
'count' => $max)));
return Q($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->imap->get_mailbox_name());
}
function rcmail_send_unread_count($mbox_name, $force=false, $count=null, $mark='')
{
global $RCMAIL;
$old_unseen = rcmail_get_unseen_count($mbox_name);
if ($count === null)
$unseen = $RCMAIL->imap->messagecount($mbox_name, 'UNSEEN', $force);
else
$unseen = $count;
if ($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];
else
return null;
}
/**
* Sets message is_safe flag according to 'show_images' option value
*
* @param object rcube_message Message
*/
function rcmail_check_safe(&$message)
{
global $RCMAIL;
$show_images = $RCMAIL->config->get('show_images');
if (!$message->is_safe
&& !empty($show_images)
&& $message->has_html_part())
{
switch($show_images) {
case '1': // known senders only
$CONTACTS = new rcube_contacts($RCMAIL->db, $_SESSION['user_id']);
if ($CONTACTS->search('email', $message->sender['mailto'], true, false)->count) {
$message->set_safe(true);
}
break;
case '2': // always
$message->set_safe(true);
break;
}
}
}
/**
* Cleans up the given message HTML Body (for displaying)
*
* @param string HTML
* @param array Display parameters
* @param array CID map replaces (inline images)
* @return string Clean HTML
*/
function rcmail_wash_html($html, $p, $cid_replaces)
{
global $REMOTE_OBJECTS;
$p += array('safe' => false, 'inline_html' => true);
// special replacements (not properly handled by washtml class)
$html_search = array(
'/(<\/nobr>)(\s+)(<nobr>)/i', // space(s) between <NOBR>
'/<title[^>]*>[^<]*<\/title>/i', // PHP bug #32547 workaround: remove title tag
'/^(\0\0\xFE\xFF|\xFF\xFE\0\0|\xFE\xFF|\xFF\xFE|\xEF\xBB\xBF)/', // byte-order mark (only outlook?)
'/<html\s[^>]+>/i', // washtml/DOMDocument cannot handle xml namespaces
);
$html_replace = array(
'\\1'.' '.'\\3',
'',
'',
'<html>',
);
$html = preg_replace($html_search, $html_replace, trim($html));
// PCRE errors handling (#1486856), should we use something like for every preg_* use?
if ($html === null && ($preg_error = preg_last_error()) != PREG_NO_ERROR) {
$errstr = "Could not clean up HTML message! PCRE Error: $preg_error.";
if ($preg_error == PREG_BACKTRACK_LIMIT_ERROR)
$errstr .= " Consider raising pcre.backtrack_limit!";
if ($preg_error == PREG_RECURSION_LIMIT_ERROR)
$errstr .= " Consider raising pcre.recursion_limit!";
raise_error(array('code' => 620, 'type' => 'php',
'line' => __LINE__, 'file' => __FILE__,
'message' => $errstr), true, false);
return '';
}
// fix (unknown/malformed) HTML tags before "wash"
$html = preg_replace_callback('/(<[\/]*)([^\s>]+)/', 'rcmail_html_tag_callback', $html);
// charset was converted to UTF-8 in rcube_imap::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='.RCMAIL_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;
}
// turn relative into absolute urls
$html = rcmail_resolve_base($html);
// clean HTML with washhtml by Frederic Motte
$wash_opts = array(
'show_washed' => false,
'allow_remote' => $p['safe'],
'blocked_src' => "./program/blocked.gif",
'charset' => RCMAIL_CHARSET,
'cid_map' => $cid_replaces,
'html_elements' => array('body'),
);
if (!$p['inline_html']) {
$wash_opts['html_elements'] = array('html','head','title','body');
}
if ($p['safe']) {
$wash_opts['html_elements'][] = 'link';
$wash_opts['html_attribs'] = array('rel','type');
}
// overwrite washer options with options from plugins
if (isset($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
$washer = new washtml($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');
// Remove non-UTF8 characters (#1487813)
$html = rc_utf8_clean($html);
$html = $washer->wash($html);
$REMOTE_OBJECTS = $washer->extlinks;
return $html;
}
/**
* Convert the given message part to proper HTML
* which can be displayed the message view
*
* @param object rcube_message_part Message part
* @param array Display parameters array
* @return string Formatted HTML string
*/
function rcmail_print_body($part, $p = array())
{
global $RCMAIL;
// trigger plugin hook
$data = $RCMAIL->plugins->exec_hook('message_part_before',
array('type' => $part->ctype_secondary, 'body' => $part->body, 'id' => $part->mime_id)
+ $p + array('safe' => false, 'plain' => false, 'inline_html' => true));
// convert html to text/plain
if ($data['type'] == 'html' && $data['plain']) {
$txt = new html2text($data['body'], false, true);
$body = $txt->get_text();
$part->ctype_secondary = 'plain';
}
// text/html
else if ($data['type'] == 'html') {
$body = rcmail_wash_html($data['body'], $data, $part->replaces);
$part->ctype_secondary = $data['type'];
}
// text/enriched
else if ($data['type'] == 'enriched') {
$part->ctype_secondary = 'html';
require_once(INSTALL_PATH . 'program/lib/enriched.inc');
$body = Q(enriched_to_html($data['body']), 'show');
}
else {
// assert plaintext
$body = $part->body;
$part->ctype_secondary = $data['type'] = 'plain';
}
// free some memory (hopefully)
unset($data['body']);
// plaintext postprocessing
if ($part->ctype_secondary == 'plain')
$body = rcmail_plain_body($body, $part->ctype_parameters['format'] == 'flowed');
// 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['type'] == 'html' ? $data['body'] : html::tag('pre', array(), $data['body']);
}
/**
* Handle links and citation marks in plain text message
*
* @param string Plain text string
* @param boolean Text uses format=flowed
*
* @return string Formatted HTML string
*/
function rcmail_plain_body($body, $flowed=false)
{
global $RCMAIL;
// make links and email-addresses clickable
$replacer = new rcube_string_replacer;
// search for patterns like links and e-mail addresses
$body = preg_replace_callback($replacer->link_pattern, array($replacer, 'link_callback'), $body);
$body = preg_replace_callback($replacer->mailto_pattern, array($replacer, 'mailto_callback'), $body);
// split body into single lines
$body = preg_split('/\r?\n/', $body);
$quote_level = 0;
$last = -1;
// find/mark quoted lines...
for ($n=0, $cnt=count($body); $n < $cnt; $n++) {
if ($body[$n][0] == '>' && preg_match('/^(>+\s*)+/', $body[$n], $regs)) {
$q = strlen(preg_replace('/\s/', '', $regs[0]));
$body[$n] = substr($body[$n], strlen($regs[0]));
if ($q > $quote_level) {
$body[$n] = $replacer->get_replacement($replacer->add(
str_repeat('<blockquote>', $q - $quote_level))) . $body[$n];
}
else if ($q < $quote_level) {
$body[$n] = $replacer->get_replacement($replacer->add(
str_repeat('</blockquote>', $quote_level - $q))) . $body[$n];
}
else if ($flowed) {
// previous line is flowed
if (isset($body[$last]) && $body[$n]
&& $body[$last][strlen($body[$last])-1] == ' ') {
// merge lines
$body[$last] .= $body[$n];
unset($body[$n]);
}
else {
$last = $n;
}
}
}
else {
$q = 0;
if ($flowed) {
// sig separator - line is fixed
if ($body[$n] == '-- ') {
$last = $last_sig = $n;
}
else {
// remove space-stuffing
if ($body[$n][0] == ' ')
$body[$n] = substr($body[$n], 1);
// previous line is flowed?
if (isset($body[$last]) && $body[$n]
&& $last !== $last_sig
&& $body[$last][strlen($body[$last])-1] == ' '
) {
$body[$last] .= $body[$n];
unset($body[$n]);
}
else {
$last = $n;
}
}
if ($quote_level > 0)
$body[$last] = $replacer->get_replacement($replacer->add(
str_repeat('</blockquote>', $quote_level))) . $body[$last];
}
else if ($quote_level > 0)
$body[$n] = $replacer->get_replacement($replacer->add(
str_repeat('</blockquote>', $quote_level))) . $body[$n];
}
$quote_level = $q;
}
$body = join("\n", $body);
// quote plain text (don't use Q() here, to display entities "as is")
$table = get_html_translation_table(HTML_SPECIALCHARS);
unset($table['?']);
$body = strtr($body, $table);
// colorize signature (up to <sig_max_lines> lines)
$len = strlen($body);
$sig_max_lines = $RCMAIL->config->get('sig_max_lines', 15);
while (($sp = strrpos($body, "-- \n", $sp ? -$len+$sp-1 : 0)) !== false) {
if ($sp == 0 || $body[$sp-1] == "\n") {
// do not touch blocks with more that X lines
if (substr_count($body, "\n", $sp) < $sig_max_lines)
$body = substr($body, 0, max(0, $sp))
.'<span class="sig">'.substr($body, $sp).'</span>';
break;
}
}
// insert url/mailto links and citation tags
$body = $replacer->resolve($body);
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':
// decode all escaped entities and reduce to ascii strings
$stripped = preg_replace('/[^a-zA-Z\(:;]/', '', rcmail_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') && stripos($stripped, 'url('))
$washtml->extlinks = true;
else
$out = html::tag('style', array('type' => 'text/css'), $content);
break;
}
default:
$out = '';
}
return $out;
}
/**
* Callback function for HTML tags fixing
*/
function rcmail_html_tag_callback($matches)
{
$tagname = $matches[2];
$tagname = preg_replace(array(
'/:.*$/', // Microsoft's Smart Tags <st1:xxxx>
'/[^a-z0-9_\[\]\!-]/i', // forbidden characters
), '', $tagname);
return $matches[1].$tagname;
}
/**
* return table with message headers
*/
function rcmail_message_headers($attrib, $headers=NULL)
{
global $OUTPUT, $MESSAGE, $PRINT_MODE, $RCMAIL;
static $sa_attrib;
// keep header table attrib
if (is_array($attrib) && !$sa_attrib)
$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)
$headers = is_object($MESSAGE->headers) ? get_object_vars($MESSAGE->headers) : $MESSAGE->headers;
// show these headers
$standard_headers = array('subject', 'from', 'to', 'cc', 'bcc', 'replyto',
'mail-reply-to', 'mail-followup-to', 'date');
$output_headers = array();
foreach ($standard_headers as $hkey) {
if ($headers[$hkey])
$value = $headers[$hkey];
else if ($headers['others'][$hkey])
$value = $headers['others'][$hkey];
else
continue;
if ($hkey == 'date') {
if ($PRINT_MODE)
$header_value = format_date($value, $RCMAIL->config->get('date_long', 'x'));
else
$header_value = format_date($value);
}
else if ($hkey == 'replyto') {
if ($headers['replyto'] != $headers['from'])
$header_value = rcmail_address_string($value, null, true, $attrib['addicon']);
else
continue;
}
else if ($hkey == 'mail-reply-to') {
if ($headers['mail-replyto'] != $headers['reply-to']
&& $headers['reply-to'] != $headers['from']
)
$header_value = rcmail_address_string($value, null, true, $attrib['addicon']);
else
continue;
}
else if ($hkey == 'mail-followup-to') {
$header_value = rcmail_address_string($value, null, true, $attrib['addicon']);
}
else if (in_array($hkey, array('from', 'to', 'cc', 'bcc')))
$header_value = rcmail_address_string($value, null, true, $attrib['addicon']);
else if ($hkey == 'subject' && empty($value))
$header_value = rcube_label('nosubject');
else
$header_value = trim($RCMAIL->imap->decode_header($value));
$output_headers[$hkey] = array(
'title' => rcube_label(preg_replace('/(^mail-|-)/', '', $hkey)),
'value' => $header_value, 'raw' => $value
);
}
$plugin = $RCMAIL->plugins->exec_hook('message_headers_output',
array('output' => $output_headers, 'headers' => $MESSAGE->headers));
// compose html table
$table = new html_table(array('cols' => 2));
foreach ($plugin['output'] as $hkey => $row) {
$table->add(array('class' => 'header-title'), Q($row['title']));
$table->add(array('class' => 'header '.$hkey), Q($row['value'], ($hkey == 'subject' ? 'strict' : 'show')));
}
return $table->show($attrib);
}
/**
* return block to show full message headers
*/
function rcmail_message_full_headers($attrib, $headers=NULL)
{
global $OUTPUT;
$html = html::div(array('class' => "more-headers show-headers", 'onclick' => "return ".JS_OBJECT_NAME.".command('load-headers','',this)"), '');
$html .= html::div(array('id' => "all-headers", 'class' => "all", 'style' => 'display:none'), html::div(array('id' => 'headers-source'), ''));
$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 $CONFIG, $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 = '';
$header_attrib = array();
foreach ($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 $i => $part) {
if ($part->type == 'headers')
$out .= rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : NULL, $part->headers);
else if ($part->type == 'content' && $part->size) {
// Check if we have enough memory to handle the message in it