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<?php
/*
+-----------------------------------------------------------------------+
| program/steps/mail/func.inc |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2012, 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> |
+-----------------------------------------------------------------------+
*/
// 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)
);
// always instantiate storage object (but not connect to server yet)
$RCMAIL->storage_init();
// set imap properties and session vars
if (strlen(trim($mbox = get_input_value('_mbox', RCUBE_INPUT_GPC, true))))
$RCMAIL->storage->set_folder(($_SESSION['mbox'] = $mbox));
else if ($RCMAIL->storage)
$_SESSION['mbox'] = $RCMAIL->storage->get_folder();
if (!empty($_GET['_page']))
$RCMAIL->storage->set_page(($_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));
}
$RCMAIL->storage->set_threading($a_threading[$_SESSION['mbox']]);
// set message set for search result
if (!empty($_REQUEST['_search']) && isset($_SESSION['search'])
&& $_SESSION['search_request'] == $_REQUEST['_search']
) {
$RCMAIL->storage->set_search_set($_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') {
// connect to storage server and trigger error on failure
$RCMAIL->storage_connect();
$mbox_name = $RCMAIL->storage->get_folder();
if (empty($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']);
$RCMAIL->storage->search($mbox_name, $_SESSION['search_filter'], RCMAIL_CHARSET, rcmail_sort_column());
$_SESSION['search'] = $RCMAIL->storage->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);
}
$threading = (bool) $RCMAIL->storage->get_threading();
// 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('delimiter', $RCMAIL->storage->get_hierarchy_delimiter());
$OUTPUT->set_env('threading', $threading);
$OUTPUT->set_env('threads', $threading || $RCMAIL->storage->get_capability('THREAD'));
$OUTPUT->set_env('preview_pane_mark_read', $RCMAIL->config->get('preview_pane_mark_read', 0));
if ($RCMAIL->storage->get_capability('QUOTA')) {
$OUTPUT->set_env('quota', true);
}
foreach (array('delete_junk','flag_for_deletion','read_when_deleted','skip_deleted','display_next','message_extwin','compose_extwin','forward_attachment') as $prop) {
if ($CONFIG[$prop])
$OUTPUT->set_env($prop, 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', $CONFIG['junk_mbox']);
if (!empty($_SESSION['browser_caps']))
$OUTPUT->set_env('browser_capabilities', $_SESSION['browser_caps']);
if (!$OUTPUT->ajax_call)
$OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
'copy', 'move', 'quota');
$OUTPUT->set_pagetitle(rcmail_localize_foldername($RCMAIL->storage->mod_folder($mbox_name)));
}
/**
* 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->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) {
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 $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;
// 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->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');
$_SESSION['list_attrib']['columns'] = $a_show_cols;
// 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_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'];
$thead = $head_replace ? rcmail_message_list_head($_SESSION['list_attrib'], $a_show_cols) : NULL;
// get name of smart From/To column in folder context
if (($f = array_search('fromto', $a_show_cols)) !== false) {
$smart_col = rcmail_message_list_smart_column_name();
}
$OUTPUT->command('set_message_coltypes', $a_show_cols, $thead, $smart_col);
if (empty($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();
$a_msg_flags = array();
// format each col; similar as in rcmail_message_list()
foreach ($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, $header->charset);
else if ($col == 'subject') {
$cont = trim(rcube_mime::decode_header($header->$col, $header->charset));
if (!$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->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;
$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'];
$dont_override = (array)$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'])) {
$onclick = 'return ' . JS_OBJECT_NAME . ".command('menu-open', 'messagelistmenu')";
if ($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 = '';
$cells = array();
// get name of smart From/To column in folder context
if (($f = array_search('fromto', $a_show_cols)) !== false) {
$smart_col = rcmail_message_list_smart_column_name();
}
foreach ($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;
case 'fromto':
$col_name = Q(rcube_label($smart_col));
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')), $col_name);
else if ($col_name[0] != '<')
$col_name = '<span class="' . $col .'">' . $col_name . '</span>';
$sort_class = $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);
}
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/resources/blank.gif');
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 = $RCMAIL->action != 'show' ? rcmail_get_messagecount_text() : rcube_label('loading');
return html::span($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) * $page_size + 1;
if ($count!==NULL)
$max = $count;
else if ($RCMAIL->action)
$max = $RCMAIL->storage->count(NULL, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
if ($max==0)
$out = rcube_label('mailboxempty');
else
$out = rcube_label(array('name' => $RCMAIL->storage->get_threading() ? 'threadsfromto' : 'messagesfromto',
'vars' => array('from' => $start_msg,
'to' => min($max, $start_msg + $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->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);
if ($count === null)
$unseen = $RCMAIL->storage->count($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 $RCMAIL;
if (!$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) {
$result = $CONTACTS->search('email', $message->sender['mailto'], 1, false);
if ($result->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);
// 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='.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;
}
// clean HTML with washhtml by Frederic Motte
$wash_opts = array(
'show_washed' => false,
'allow_remote' => $p['safe'],
'blocked_src' => "./program/resources/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
$washer = new rcube_washtml($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');
// 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']) {
$txt = new rcube_html2text($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') {
$body = rcube_enriched::to_html($data['body']);
$body = rcmail_wash_html($body, $data, $part->replaces);
$part->ctype_secondary = 'html';
}
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 rcmail_string_replacer;
// search for patterns like links and e-mail addresses and replace with tokens
$body = $replacer->replace($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('/^(>+ {0,1})+/', $body[$n], $regs)) {
$q = substr_count($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];
$last = $n;
}
else if ($q < $quote_level) {
$body[$n] = $replacer->get_replacement($replacer->add(
str_repeat('</blockquote>', $quote_level - $q))) . $body[$n];
$last = $n;
}
else if ($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 $out;
}
/**
* return table with message headers
*/
function rcmail_message_headers($attrib, $headers=null)
{
global $OUTPUT, $MESSAGE, $PRINT_MODE, $RCMAIL;
static $sa_attrib;
// keep header table attrib
if (is_array($attrib) && !$sa_attrib && !$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) {
$ishtml = false;
if ($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;
$header_title = rcube_label(preg_replace('/(^mail-|-)/', '', $hkey));
if ($hkey == 'date') {
if ($PRINT_MODE)
$header_value = format_date($value, $RCMAIL->config->get('date_long', 'x'));
else
$header_value = format_date($value);
}
else if ($hkey == 'priority') {
if ($value) {
$header_value = html::span('prio' . $value, rcmail_localized_priority($value));
}
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['reply-to']
&& $headers['reply-to'] != $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 = rcube_label('nosubject');
else
$header_value = trim(rcube_mime::decode_header($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' => $exclude_headers));
// single header value is requested
if (!empty($attrib['valueof']))
return Q($plugin['output'][$attrib['valueof']]['value'], ($attrib['valueof'] == 'subject' ? 'strict' : 'show'));
// 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), $row['html'] ? $row['value'] : Q($row['value'], ($hkey == 'subject' ? 'strict' : 'show')));
}
return $table->show($attrib);
}
/**
* Convert Priority header value into a localized string
*/
function rcmail_localized_priority($value)
{
$labels_map = array(
'1' => 'highest',
'2' => 'high',
'3' => 'normal',
'4' => 'low',
'5' => 'lowest',
);
if ($value && $labels_map[$value])
return rcube_label($labels_map[$value]);
return '';
}
/**
* return block to show full message headers
*/
function rcmail_message_full_headers($attrib, $headers=NULL)
{
global $OUTPUT;
$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 ".JS_OBJECT_NAME.".command('show-headers','',this)", 'title' => rcube_label('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 $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') {
$out .= html::div('message-partheaders', rcmail_message_headers(sizeof($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') {
$out .= html::span('part-notice', rcube_label('encryptedmessage'));
}
continue;
}
else if (!$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 (!rcmail_mem_check($part->size * 10)) {
$out .= html::span('part-notice', rcube_label('messagetoobig'). ' '
. html::a('?_task=mail&_action=get&_download=1&_uid='.$MESSAGE->uid.'&_part='.$part->mime_id
.'&_mbox='. urlencode($RCMAIL->storage->get_folder()), rcube_label('download')));
continue;
}
if (empty($part->ctype_parameters) || empty($part->ctype_parameters['charset']))
$part->ctype_parameters['charset'] = $MESSAGE->headers->charset;
// fetch part if not available
if (!isset($part->body))
$part->body = $MESSAGE->get_part_content($part->mime_id);
// extract headers from message/rfc822 parts
if ($part->mimetype == 'message/rfc822') {
$msgpart = rcube_mime::parse_message($part->body);
if (!empty($msgpart->headers)) {
$part = $msgpart;
$out .= html::div('message-partheaders', rcmail_message_headers(sizeof($header_attrib) ? $header_attrib : null, $part->headers));
}
}
// message is cached but not exists (#1485443), or other error
if ($part->body === false) {
rcmail_message_error($MESSAGE->uid);
}
$plugin = $RCMAIL->plugins->exec_hook('message_body_prefix', array(
'part' => $part, 'prefix' => ''));
$body = rcmail_print_body($part, array('safe' => $safe_mode, 'plain' => !$CONFIG['prefer_html']));
if ($part->ctype_secondary == 'html') {
$body = rcmail_html4inline($body, $attrib['id'], 'rcmBody', $attrs, $safe_mode);
$div_attr = array('class' => 'message-htmlpart');
$style = array();
if (!empty($attrs)) {
foreach ($attrs as $a_idx => $a_val)
$style[] = $a_idx . ': ' . $a_val;
if (!empty($style))
$div_attr['style'] = implode('; ', $style);
}
$out .= html::div($div_attr, $plugin['prefix'] . $body);
}
else
$out .= html::div('message-part', $plugin['prefix'] . $body);
}
}
}
else {
// Check if we have enough memory to handle the message in it
// #1487424: we need up to 10x more memory than the body
if (!rcmail_mem_check(strlen($MESSAGE->body) * 10)) {
$out .= html::span('part-notice', rcube_label('messagetoobig'). ' '
. html::a('?_task=mail&_action=get&_download=1&_uid='.$MESSAGE->uid.'&_part=0'
.'&_mbox='. urlencode($RCMAIL->storage->get_folder()), rcube_label('download')));
}
else {
$plugin = $RCMAIL->plugins->exec_hook('message_body_prefix', array(
'part' => $MESSAGE, 'prefix' => ''));
$out .= html::div('message-part', $plugin['prefix'] . html::tag('pre', array(),
rcmail_plain_body(Q($MESSAGE->body, 'strict', false))));
}
}
// 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) {
$show_link = array(
'href' => $MESSAGE->get_part_url($attach_prop->mime_id, false),
'onclick' => sprintf(
'return %s.command(\'load-attachment\',{part:\'%s\', mimetype:\'%s\'},this)',
JS_OBJECT_NAME,
$attach_prop->mime_id,
$mimetype)
);
$out .= html::p('image-attachment',
html::a($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, $thumbnail_size),
))
) .
html::span('image-filename', Q($attach_prop->filename)) .
html::span('image-filesize', Q($RCMAIL->message_part_size($attach_prop))) .
html::span('attachment-links',
(in_array($mimetype, $client_mimetypes) ? html::a($show_link, rcube_label('showattachment')) . ' ' : '') .
html::a($show_link['href'] . '&_download=1', rcube_label('download'))
) .
html::br(array('style' => 'clear:both'))
);
}
else {
$out .= html::tag('fieldset', 'image-attachment',
html::tag('legend', 'image-filename', Q($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)
{
$rcmail = rcmail::get_instance();
// Skip TIFF images if browser doesn't support this format...
$tiff_support = !empty($_SESSION['browser_caps']) && !empty($_SESSION['browser_caps']['tif']);
// until we can convert them to JPEG
$tiff_support = $tiff_support || $rcmail->config->get('im_convert_path');
// Content-type regexp
$mime_regex = $tiff_support ? '/^image\//i' : '/^image\/(?!tif)/i';
// Content-Type: image/*...
if (preg_match($mime_regex, $part->mimetype)) {
return rcmail_fix_mimetype($part->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';
$types['tiff'] = 'image/tiff';
}
if ($part->filename
&& preg_match('/^application\/octet-stream$/i', $part->mimetype)
&& preg_match('/\.([^.]+)$/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, $container_id, $body_id='', &$attributes=null, $allow_remote=false)
{
$last_style_pos = 0;
$cont_id = $container_id.($body_id ? ' div.'.$body_id : '');
// find STYLE tags
while (($pos = stripos($body, '<style', $last_style_pos)) && ($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);
$styles = rcmail_mod_css_styles($styles, $cont_id, $allow_remote);
$body = substr_replace($body, $styles, $pos, $len);
$last_style_pos = $pos2 + strlen($styles) - $len;
}
// modify HTML links to open a new window if clicked
$GLOBALS['rcmail_html_container_id'] = $container_id;
$body = preg_replace_callback('/<(a|link|area)\s+([^>]+)>/Ui', 'rcmail_alter_html_link', $body);
unset($GLOBALS['rcmail_html_container_id']);
$body = preg_replace(array(
// add comments arround html and other tags
'/(<!DOCTYPE[^>]*>)/i',
'/(<\?xml[^>]*>)/i',
'/(<\/?html[^>]*>)/i',
'/(<\/?head[^>]*>)/i',
'/(<title[^>]*>.*<\/title>)/Ui',
'/(<\/?meta[^>]*>)/i',
// quote <? of php and xml files that are specified as text/html
'/<\?/',
'/\?>/',
// replace <body> with <div>
'/<body([^>]*)>/i',
'/<\/body>/i',
),
array(
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'<!--\\1-->',
'<?',
'?>',
'<div class="'.$body_id.'"\\1>',
'</div>',
),
$body);
$attributes = array();
// Handle body attributes that doesn't play nicely with div elements
$regexp = '/<div class="' . preg_quote($body_id, '/') . '"([^>]*)/';
if (preg_match($regexp, $body, $m)) {
$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#]+)["\']*/', $attrs, $mb)) {
$attributes['background-color'] = $mb[1];
$attrs = preg_replace('/bgcolor=["\']*([a-z0-9#]+)["\']*/', '', $attrs);
}
// Get background, we'll set it as background-image of the message container
if ($m[1] && preg_match('/background=["\']*([^"\'>\s]+)["\']*/', $attrs, $mb)) {
$attributes['background-image'] = 'url('.$mb[1].')';
$attrs = preg_replace('/background=["\']*([^"\'>\s]+)["\']*/', '', $attrs);
}
if (!empty($attributes)) {
$body = preg_replace($regexp, rtrim($attrs), $body, 1);
}
// handle body styles related to background image
if ($attributes['background-image']) {
// get body style
if (preg_match('/#'.preg_quote($cont_id, '/').'\s+\{([^}]+)}/i', $body, $m)) {
// get background related style
if (preg_match_all('/(background-position|background-repeat)\s*:\s*([^;]+);/i', $m[1], $ma, PREG_SET_ORDER)) {
foreach ($ma as $style)
$attributes[$style[1]] = $style[2];
}
}
}
}
// 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="' . $body_id . '">' . $body . '</div>';
}
return $body;
}
/**
* parse link attributes and set correct target
*/
function rcmail_alter_html_link($matches)
{
global $RCMAIL;
// Support unicode/punycode in top-level domain part
$EMAIL_PATTERN = '([a-z0-9][a-z0-9\-\.\+\_]*@[^&@"\'.][^@&"\']*\\.([^\\x00-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-z0-9]{2,}))';
$tag = $matches[1];
$attrib = parse_attrib_string($matches[2]);
$end = '>';
// Remove non-printable characters in URL (#1487805)
if ($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' => $GLOBALS['rcmail_html_container_id']));
$end = ' />';
}
else if (preg_match('/^mailto:'.$EMAIL_PATTERN.'(\?[^"\'>]+)?/i', $attrib['href'], $mailto)) {
$attrib['href'] = $mailto[0];
$attrib['onclick'] = sprintf(
"return %s.command('compose','%s',this)",
JS_OBJECT_NAME,
JQ($mailto[1].$mailto[3]));
}
else if (empty($attrib['href']) && !$attrib['name']) {
$attrib['href'] = './#NOP';
$attrib['onclick'] = 'return false';
}
else if (!empty($attrib['href']) && $attrib['href'][0] != '#') {
$attrib['target'] = '_blank';
}
// allowed attributes for a|link|area tags
$allow = array('href','name','target','onclick','id','class','style','title',
'rel','type','media','alt','coords','nohref','hreflang','shape');
return "<$tag" . html::attrib_string($attrib, $allow) . $end;
}
/**
* decode address string and re-format it as HTML links
*/
function rcmail_address_string($input, $max=null, $linked=false, $addicon=null, $default_charset=null, $title=null)
{
global $RCMAIL, $PRINT_MODE, $CONFIG;
$a_parts = rcube_mime::decode_address_list($input, null, true, $default_charset);
if (!sizeof($a_parts))
return $input;
$c = count($a_parts);
$j = 0;
$out = '';
$allvalues = array();
if ($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'];
$valid = check_email($mailto, false);
// phishing email prevention (#1488981), e.g. "valid@email.addr <phishing@email.addr>"
if ($name && $valid && $name != $mailto && strpos($name, '@')) {
$name = '';
}
// IDNA ASCII to Unicode
if ($name == $mailto)
$name = rcube_idn_to_utf8($name);
if ($string == $mailto)
$string = rcube_idn_to_utf8($string);
$mailto = rcube_idn_to_utf8($mailto);
if ($PRINT_MODE) {
$out .= ($out ? ', ' : '') . sprintf('%s <%s>', Q($name), $mailto);
// for printing we display all addresses
continue;
}
else if ($valid) {
if ($linked) {
$address = html::a(array(
'href' => 'mailto:'.$mailto,
'onclick' => sprintf("return %s.command('compose','%s',this)", JS_OBJECT_NAME, JQ($mailto)),
'title' => $mailto,
'class' => "rcmContactAddress",
),
Q($name ? $name : $mailto));
}
else {
$address = html::span(array('title' => $mailto, 'class' => "rcmContactAddress"),
Q($name ? $name : $mailto));
}
if ($addicon && $_SESSION['writeable_abook']) {
$address .= html::a(array(
'href' => "#add",
'onclick' => sprintf("return %s.command('add-contact','%s',this)", JS_OBJECT_NAME, JQ($string)),
'title' => rcube_label('addtoaddressbook'),
'class' => 'rcmaddcontact',
),
html::img(array(
'src' => $CONFIG['skin_path'] . $addicon,
'alt' => "Add contact",
)));
}
}
else {
$address = '';
if ($name)
$address .= Q($name);
if ($mailto)
$address = trim($address . ' ' . 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) {
$out .= ' ' . html::a(array(
'href' => '#more',
'class' => 'morelink',
'onclick' => sprintf("return %s.show_popup_dialog('%s','%s')",
JS_OBJECT_NAME,
JQ(join(', ', $allvalues)),
JQ($title))
),
Q(rcube_label(array('name' => 'andnmore', 'vars' => array('nr' => $moreadrs)))));
}
return $out;
}
/**
* Wrap text to a given number of characters per line
* but respect the mail quotation of replies messages (>).
* Finally add another quotation level by prepending the lines
* with >
*
* @param string Text to wrap
* @param int The line width
* @return string The wrapped text
*/
function rcmail_wrap_and_quote($text, $length = 72)
{
// 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);
else if (mb_strlen($line) > $max) {
$newline = '';
foreach (explode("\n", rc_wordwrap($line, $length - 2)) as $l) {
if (strlen($l))
$newline .= '> ' . $l . "\n";
else
$newline .= ">\n";
}
$line = rtrim($newline);
}
else
$line = '> ' . $line;
// Append the line
$out .= $line . "\n";
}
return rtrim($out, "\n");
}
function rcmail_draftinfo_encode($p)
{
$parts = array();
foreach ($p as $key => $val)
$parts[] = $key . '=' . ($key == 'folder' ? base64_encode($val) : $val);
return join('; ', $parts);
}
function rcmail_draftinfo_decode($str)
{
$info = array();
foreach (preg_split('/;\s+/', $str) as $part) {
list($key, $val) = explode('=', $part, 2);
if ($key == 'folder')
$val = base64_decode($val);
$info[$key] = $val;
}
return $info;
}
function rcmail_message_part_controls($attrib)
{
global $MESSAGE, $RCMAIL;
$part = asciiwords(get_input_value('_part', RCUBE_INPUT_GPC));
if (!is_object($MESSAGE) || !is_array($MESSAGE->parts) || !($_GET['_uid'] && $_GET['_part']) || !$MESSAGE->mime_parts[$part])
return '';
$part = $MESSAGE->mime_parts[$part];
$table = new html_table(array('cols' => 3));
$filename = rcmail_attachment_name($part);
if (!empty($filename)) {
$table->add('title', Q(rcube_label('filename')));
$table->add('header', Q($filename));
$table->add('download-link', html::a(array('href' => './?'.str_replace('_frame=', '_download=', $_SERVER['QUERY_STRING'])), Q(rcube_label('download'))));
}
$table->add('title', Q(rcube_label('filesize')));
$table->add('header', Q($RCMAIL->message_part_size($part)));
return $table->show($attrib);
}
function rcmail_message_part_frame($attrib)
{
global $MESSAGE;
$part = $MESSAGE->mime_parts[asciiwords(get_input_value('_part', RCUBE_INPUT_GPC))];
$ctype_primary = strtolower($part->ctype_primary);
$attrib['src'] = './?' . str_replace('_frame=', ($ctype_primary=='text' ? '_embed=' : '_preload='), $_SERVER['QUERY_STRING']);
return html::iframe($attrib);
}
/**
* clear message composing settings
*/
function rcmail_compose_cleanup($id)
{
if (!isset($_SESSION['compose_data_'.$id]))
return;
$rcmail = rcmail::get_instance();
$rcmail->plugins->exec_hook('attachments_cleanup', array('group' => $id));
$rcmail->session->remove('compose_data_'.$id);
}
/**
* 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('*')))
{
$identity = rcmail_identity_select($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', RCMAIL_CHARSET);
$compose->setParam('html_charset', RCMAIL_CHARSET);
$compose->setParam('text_charset', RCMAIL_CHARSET);
// compose headers array
$headers = array(
'Date' => rcmail_user_date(),
'From' => $sender,
'To' => $message->headers->mdn_to,
'Subject' => rcube_label('receiptread') . ': ' . $message->subject,
'Message-ID' => rcmail_gen_message_id(),
'X-Sender' => $identity['email'],
'References' => trim($message->headers->references . ' ' . $message->headers->messageID),
);
if ($agent = $RCMAIL->config->get('useragent'))
$headers['User-Agent'] = $agent;
if ($RCMAIL->config->get('mdn_use_from'))
$options['mdn_use_from'] = true;
$body = rcube_label("yourmessage") . "\r\n\r\n" .
"\t" . rcube_label("to") . ': ' . rcube_mime::decode_mime_string($message->headers->to, $message->headers->charset) . "\r\n" .
"\t" . rcube_label("subject") . ': ' . $message->subject . "\r\n" .
"\t" . rcube_label("sent") . ': ' . format_date($message->headers->date, $RCMAIL->config->get('date_long')) . "\r\n" .
"\r\n" . rcube_label("receiptnote") . "\r\n";
$ua = $RCMAIL->config->get('useragent', "Roundcube Webmail (Version ".RCMAIL_VERSION.")");
$report = "Reporting-UA: $ua\r\n";
if ($message->headers->to)
$report .= "Original-Recipient: {$message->headers->to}\r\n";
$report .= "Final-Recipient: rfc822; {$identity['email']}\r\n" .
"Original-Message-ID: {$message->headers->messageID}\r\n" .
"Disposition: manual-action/MDN-sent-manually; displayed\r\n";
$compose->headers($headers);
$compose->setContentType('multipart/report', array('report-type'=> 'disposition-notification'));
$compose->setTXTBody(rc_wordwrap($body, 75, "\r\n"));
$compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');
$sent = rcmail_deliver_message($compose, $identity['email'], $mailto, $smtp_error, $body_file, $options);
if ($sent)
{
$RCMAIL->storage->set_flag($message->uid, 'MDNSENT');
return true;
}
}
return false;
}
/**
* Detect recipient identity from specified message
*/
function rcmail_identity_select($MESSAGE, $identities = null, $compose_mode = 'reply')
{
$a_recipients = array();
$a_names = array();
if ($identities === null) {
$identities = rcmail::get_instance()->user->list_identities(null, true);
}
// extract all recipients of the reply-message
if (is_object($MESSAGE->headers) && in_array($compose_mode, array('reply', 'forward'))) {
$a_to = rcube_mime::decode_address_list($MESSAGE->headers->to, null, true, $MESSAGE->headers->charset);
foreach ($a_to as $addr) {
if (!empty($addr['mailto'])) {
$a_recipients[] = strtolower($addr['mailto']);
$a_names[] = $addr['name'];
}
}
if (!empty($MESSAGE->headers->cc)) {
$a_cc = rcube_mime::decode_address_list($MESSAGE->headers->cc, null, true, $MESSAGE->headers->charset);
foreach ($a_cc as $addr) {
if (!empty($addr['mailto'])) {
$a_recipients[] = strtolower($addr['mailto']);
$a_names[] = $addr['name'];
}
}
}
}
$from_idx = null;
$found_idx = null;
$default_identity = 0; // default identity is always first on the list
// Select identity
foreach ($identities as $idx => $ident) {
// use From header
if (in_array($compose_mode, array('draft', 'edit'))) {
if ($MESSAGE->headers->from == $ident['ident']) {
$from_idx = $idx;
break;
}
}
// reply to yourself
else if ($compose_mode == 'reply' && $MESSAGE->headers->from == $ident['ident']) {
$from_idx = $idx;
break;
}
// use replied message recipients
else if (($found = array_search(strtolower($ident['email_ascii']), $a_recipients)) !== false) {
if ($found_idx === null) {
$found_idx = $idx;
}
// match identity name
if ($a_names[$found] && $ident['name'] && $a_names[$found] == $ident['name']) {
$from_idx = $idx;
break;
}
}
}
// If matching by name+address doesn't found any matches, get first found address (identity)
if ($from_idx === null) {
$from_idx = $found_idx;
}
// Try Return-Path
if ($from_idx === null && ($return_path = $MESSAGE->headers->others['return-path'])) {
$return_path = array_map('strtolower', (array) $return_path);
foreach ($identities as $idx => $ident) {
// Return-Path header contains an email address, but on some mailing list
// it can be e.g. <pear-dev-return-55250-local=domain.tld@lists.php.net>
// where local@domain.tld is the address we're looking for (#1489241)
$ident1 = strtolower($ident['email_ascii']);
$ident2 = str_replace('@', '=', $ident1);
$ident1 = '<' . $ident1 . '>';
$ident2 = '-' . $ident2 . '@';
foreach ($return_path as $path) {
if ($path == $ident1 || stripos($path, $ident2)) {
$from_idx = $idx;
break 2;
}
}
}
}
// Fallback using Delivered-To
if ($from_idx === null && ($delivered_to = $MESSAGE->headers->others['delivered-to'])) {
foreach ($identities as $idx => $ident) {
if (in_array($ident['email_ascii'], (array)$delivered_to)) {
$from_idx = $idx;
break;
}
}
}
// Fallback using Envelope-To
if ($from_idx === null && ($envelope_to = $MESSAGE->headers->others['envelope-to'])) {
foreach ($identities as $idx => $ident) {
if (in_array($ident['email_ascii'], (array)$envelope_to)) {
$from_idx = $idx;
break;
}
}
}
return $identities[$from_idx !== null ? $from_idx : $default_identity];
}
// Fixes some content-type names
function rcmail_fix_mimetype($name)
{
// Some versions of Outlook create garbage Content-Type:
// application/pdf.A520491B_3BF7_494D_8855_7FAC2C6C0608
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)
{
$filename = $attachment->filename;
if ($filename === null || $filename === '') {
if ($attachment->mimetype == 'text/html') {
$filename = rcube_label('htmlmessage');
}
else {
$ext = (array) rcube_mime::get_mime_extensions($attachment->mimetype);
$ext = array_shift($ext);
$filename = rcube_label('messagepart') . ' ' . $attachment->mime_id;
if ($ext) {
$filename .= '.' . $ext;
}
}
}
$filename = preg_replace('[\r\n]', '', $filename);
// Display smart names for some known mimetypes
if ($display) {
if (preg_match('/application\/(pgp|pkcs7)-signature/i', $attachment->mimetype)) {
$filename = rcube_label('digitalsig');
}
}
return $filename;
}
function rcmail_search_filter($attrib)
{
global $OUTPUT, $CONFIG;
if (!strlen($attrib['id']))
$attrib['id'] = 'rcmlistfilter';
$attrib['onchange'] = JS_OBJECT_NAME.'.filter_mailbox(this.value)';
/*
RFC3501 (6.4.4): 'ALL', 'RECENT',
'ANSWERED', 'DELETED', 'FLAGGED', 'SEEN',
'UNANSWERED', 'UNDELETED', 'UNFLAGGED', 'UNSEEN',
'NEW', // = (RECENT UNSEEN)
'OLD' // = NOT RECENT
*/
$select_filter = new html_select($attrib);
$select_filter->add(rcube_label('all'), 'ALL');
$select_filter->add(rcube_label('unread'), 'UNSEEN');
$select_filter->add(rcube_label('flagged'), 'FLAGGED');
$select_filter->add(rcube_label('unanswered'), 'UNANSWERED');
if (!$CONFIG['skip_deleted']) {
$select_filter->add(rcube_label('deleted'), 'DELETED');
$select_filter->add(rcube_label('undeleted'), 'UNDELETED');
}
$select_filter->add(rcube_label('priority').': '.rcube_label('highest'), 'HEADER X-PRIORITY 1');
$select_filter->add(rcube_label('priority').': '.rcube_label('high'), 'HEADER X-PRIORITY 2');
$select_filter->add(rcube_label('priority').': '.rcube_label('normal'), 'NOT HEADER X-PRIORITY 1 NOT HEADER X-PRIORITY 2 NOT HEADER X-PRIORITY 4 NOT HEADER X-PRIORITY 5');
$select_filter->add(rcube_label('priority').': '.rcube_label('low'), 'HEADER X-PRIORITY 4');
$select_filter->add(rcube_label('priority').': '.rcube_label('lowest'), 'HEADER X-PRIORITY 5');
$out = $select_filter->show($_SESSION['search_filter']);
$OUTPUT->add_gui_object('search_filter', $attrib['id']);
return $out;
}
function rcmail_message_error($uid=null)
{
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');
}
// register UI objects
$OUTPUT->add_handlers(array(
'mailboxlist' => 'rcmail_mailbox_list',
'messages' => 'rcmail_message_list',
'messagecountdisplay' => 'rcmail_messagecount_display',
'quotadisplay' => 'rcmail_quota_display',
'mailboxname' => 'rcmail_mailbox_name_display',
'messageheaders' => 'rcmail_message_headers',
'messagefullheaders' => 'rcmail_message_full_headers',
'messagebody' => 'rcmail_message_body',
'messagecontentframe' => 'rcmail_messagecontent_frame',
'messagepartframe' => 'rcmail_message_part_frame',
'messagepartcontrols' => 'rcmail_message_part_controls',
'searchfilter' => 'rcmail_search_filter',
'searchform' => array($OUTPUT, 'search_form'),
));
// register action aliases
$RCMAIL->register_action_map(array(
'refresh' => 'check_recent.inc',
'preview' => 'show.inc',
'print' => 'show.inc',
'moveto' => 'move_del.inc',
'delete' => 'move_del.inc',
'send' => 'sendmail.inc',
'expunge' => 'folders.inc',
'purge' => 'folders.inc',
'remove-attachment' => 'attachments.inc',
'display-attachment' => 'attachments.inc',
'upload' => 'attachments.inc',
'group-expand' => 'autocomplete.inc',
));
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