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1952 lines
50 KiB
PHP
1952 lines
50 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/main.inc |
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| This file is part of the RoundCube Webmail client |
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| Copyright (C) 2005-2008, RoundCube Dev, - Switzerland |
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| Licensed under the GNU GPL |
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| PURPOSE: |
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| Provide basic functions for the webmail package |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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/**
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* RoundCube Webmail common functions
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*
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* @package Core
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* @author Thomas Bruederli <roundcube@gmail.com>
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*/
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require_once('lib/utf7.inc');
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require_once('include/rcube_shared.inc');
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// fallback if not PHP modules are available
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@include_once('lib/des.inc');
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@include_once('lib/utf8.class.php');
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// define constannts for input reading
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define('RCUBE_INPUT_GET', 0x0101);
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define('RCUBE_INPUT_POST', 0x0102);
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define('RCUBE_INPUT_GPC', 0x0103);
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/**
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* Initial startup function
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* to register session, create database and imap connections
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*
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* @param string Current task
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*/
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function rcmail_startup($task='mail')
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{
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global $sess_id, $sess_user_lang;
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global $CONFIG, $OUTPUT, $IMAP, $DB, $USER;
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// start output buffering, we don't need any output yet,
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// it'll be cleared after reading of config files, etc.
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ob_start();
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// load configuration
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$CONFIG = rcmail_load_config();
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// set session domain
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if (isset($CONFIG['session_domain']) && !empty($CONFIG['session_domain'])) {
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ini_set('session.cookie_domain', $CONFIG['session_domain']);
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}
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// set session garbage collecting time according to session_lifetime
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if (!empty($CONFIG['session_lifetime']))
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ini_set('session.gc_maxlifetime', ($CONFIG['session_lifetime']) * 120);
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// prepare DB connection
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$dbwrapper = empty($CONFIG['db_backend']) ? 'db' : $CONFIG['db_backend'];
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$dbclass = "rcube_" . $dbwrapper;
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$DB = new $dbclass($CONFIG['db_dsnw'], $CONFIG['db_dsnr'], $CONFIG['db_persistent']);
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$DB->sqlite_initials = INSTALL_PATH.'SQL/sqlite.initial.sql';
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$DB->set_debug((bool)$CONFIG['sql_debug']);
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$DB->db_connect('w');
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// use database for storing session data
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include_once('include/session.inc');
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// clear output buffer
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ob_end_clean();
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// init session
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session_start();
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$sess_id = session_id();
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// create session and set session vars
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if (!isset($_SESSION['auth_time']))
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{
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$_SESSION['user_lang'] = rcube_language_prop($CONFIG['locale_string']);
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$_SESSION['auth_time'] = time();
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$_SESSION['temp'] = true;
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}
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// set session vars global
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$sess_user_lang = rcube_language_prop($_SESSION['user_lang']);
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// create user object
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$USER = new rcube_user($_SESSION['user_id']);
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// overwrite config with user preferences
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$CONFIG = array_merge($CONFIG, (array)$USER->get_prefs());
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// reset some session parameters when changing task
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if ($_SESSION['task'] != $task)
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unset($_SESSION['page']);
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// set current task to session
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$_SESSION['task'] = $task;
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// create IMAP object
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if ($task=='mail')
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rcmail_imap_init();
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// set localization
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if ($CONFIG['locale_string'])
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setlocale(LC_ALL, $CONFIG['locale_string']);
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else if ($sess_user_lang)
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setlocale(LC_ALL, $sess_user_lang);
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register_shutdown_function('rcmail_shutdown');
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}
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/**
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* Load roundcube configuration array
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*
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* @return array Named configuration parameters
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*/
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function rcmail_load_config()
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{
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// load config file
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include_once('config/main.inc.php');
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$conf = is_array($rcmail_config) ? $rcmail_config : array();
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// load host-specific configuration
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rcmail_load_host_config($conf);
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$conf['skin_path'] = $conf['skin_path'] ? unslashify($conf['skin_path']) : 'skins/default';
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// load db conf
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include_once('config/db.inc.php');
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$conf = array_merge($conf, $rcmail_config);
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if (empty($conf['log_dir']))
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$conf['log_dir'] = INSTALL_PATH.'logs';
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else
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$conf['log_dir'] = unslashify($conf['log_dir']);
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// set PHP error logging according to config
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if ($conf['debug_level'] & 1)
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{
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ini_set('log_errors', 1);
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ini_set('error_log', $conf['log_dir'].'/errors');
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}
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if ($conf['debug_level'] & 4)
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ini_set('display_errors', 1);
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else
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ini_set('display_errors', 0);
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return $conf;
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}
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/**
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* Load a host-specific config file if configured
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* This will merge the host specific configuration with the given one
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*
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* @param array Global configuration parameters
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*/
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function rcmail_load_host_config(&$config)
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{
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$fname = NULL;
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if (is_array($config['include_host_config']))
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$fname = $config['include_host_config'][$_SERVER['HTTP_HOST']];
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else if (!empty($config['include_host_config']))
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$fname = preg_replace('/[^a-z0-9\.\-_]/i', '', $_SERVER['HTTP_HOST']) . '.inc.php';
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if ($fname && is_file('config/'.$fname))
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{
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include('config/'.$fname);
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$config = array_merge($config, $rcmail_config);
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}
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}
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/**
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* Create unique authorization hash
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*
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* @param string Session ID
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* @param int Timestamp
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* @return string The generated auth hash
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*/
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function rcmail_auth_hash($sess_id, $ts)
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{
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global $CONFIG;
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$auth_string = sprintf('rcmail*sess%sR%s*Chk:%s;%s',
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$sess_id,
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$ts,
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$CONFIG['ip_check'] ? $_SERVER['REMOTE_ADDR'] : '***.***.***.***',
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$_SERVER['HTTP_USER_AGENT']);
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if (function_exists('sha1'))
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return sha1($auth_string);
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else
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return md5($auth_string);
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}
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/**
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* Check the auth hash sent by the client against the local session credentials
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*
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* @return boolean True if valid, False if not
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*/
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function rcmail_authenticate_session()
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{
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global $CONFIG, $SESS_CLIENT_IP, $SESS_CHANGED;
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// advanced session authentication
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if ($CONFIG['double_auth'])
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{
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$now = time();
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$valid = ($_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['auth_time']) ||
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$_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['last_auth']));
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// renew auth cookie every 5 minutes (only for GET requests)
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if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now-$_SESSION['auth_time'] > 300))
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{
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$_SESSION['last_auth'] = $_SESSION['auth_time'];
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$_SESSION['auth_time'] = $now;
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setcookie('sessauth', rcmail_auth_hash(session_id(), $now));
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}
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}
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else
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$valid = $CONFIG['ip_check'] ? $_SERVER['REMOTE_ADDR'] == $SESS_CLIENT_IP : true;
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// check session filetime
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if (!empty($CONFIG['session_lifetime']) && isset($SESS_CHANGED)
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&& $SESS_CHANGED + $CONFIG['session_lifetime']*60 < time())
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$valid = false;
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return $valid;
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}
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/**
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* Create global IMAP object and connect to server
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*
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* @param boolean True if connection should be established
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*/
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function rcmail_imap_init($connect=FALSE)
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{
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global $CONFIG, $DB, $IMAP, $OUTPUT;
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$IMAP = new rcube_imap($DB);
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$IMAP->debug_level = $CONFIG['debug_level'];
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$IMAP->skip_deleted = $CONFIG['skip_deleted'];
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// connect with stored session data
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if ($connect)
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{
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if (!($conn = $IMAP->connect($_SESSION['imap_host'], $_SESSION['username'], decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl'])))
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$OUTPUT->show_message('imaperror', 'error');
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rcmail_set_imap_prop();
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}
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// enable caching of imap data
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if ($CONFIG['enable_caching']===TRUE)
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$IMAP->set_caching(TRUE);
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// set pagesize from config
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if (isset($CONFIG['pagesize']))
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$IMAP->set_pagesize($CONFIG['pagesize']);
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}
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/**
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* Set root dir and last stored mailbox
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* This must be done AFTER connecting to the server!
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*/
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function rcmail_set_imap_prop()
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{
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global $CONFIG, $IMAP;
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if (!empty($CONFIG['default_charset']))
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$IMAP->set_charset($CONFIG['default_charset']);
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// set root dir from config
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if (!empty($CONFIG['imap_root']))
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$IMAP->set_rootdir($CONFIG['imap_root']);
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if (is_array($CONFIG['default_imap_folders']))
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$IMAP->set_default_mailboxes($CONFIG['default_imap_folders']);
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if (!empty($_SESSION['mbox']))
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$IMAP->set_mailbox($_SESSION['mbox']);
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if (isset($_SESSION['page']))
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$IMAP->set_page($_SESSION['page']);
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}
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/**
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* Do these things on script shutdown
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*/
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function rcmail_shutdown()
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{
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global $IMAP, $CONTACTS;
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if (is_object($IMAP))
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{
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$IMAP->close();
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$IMAP->write_cache();
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}
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if (is_object($CONTACTS))
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$CONTACTS->close();
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// before closing the database connection, write session data
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session_write_close();
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}
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/**
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* Destroy session data and remove cookie
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*/
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function rcmail_kill_session()
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{
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global $USER;
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if ((isset($_SESSION['sort_col']) && $_SESSION['sort_col']!=$a_user_prefs['message_sort_col']) ||
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(isset($_SESSION['sort_order']) && $_SESSION['sort_order']!=$a_user_prefs['message_sort_order']))
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{
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$a_user_prefs = array('message_sort_col' => $_SESSION['sort_col'], 'message_sort_order' => $_SESSION['sort_order']);
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$USER->save_prefs($a_user_prefs);
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}
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$_SESSION = array('user_lang' => $GLOBALS['sess_user_lang'], 'auth_time' => time(), 'temp' => true);
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setcookie('sessauth', '-del-', time()-60);
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$USER->reset();
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}
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/**
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* Do server side actions on logout
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*/
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function rcmail_logout_actions()
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{
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global $CONFIG, $IMAP;
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// on logout action we're not connected to imap server
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if (($CONFIG['logout_purge'] && !empty($CONFIG['trash_mbox']))
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|| $CONFIG['logout_expunge'])
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{
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if (!rcmail_authenticate_session())
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return;
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rcmail_imap_init(true);
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}
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if ($CONFIG['logout_purge'] && !empty($CONFIG['trash_mbox']))
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$IMAP->clear_mailbox($CONFIG['trash_mbox']);
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if ($CONFIG['logout_expunge'])
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$IMAP->expunge('INBOX');
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}
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/**
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* Return correct name for a specific database table
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*
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* @param string Table name
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* @return string Translated table name
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*/
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function get_table_name($table)
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{
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global $CONFIG;
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// return table name if configured
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$config_key = 'db_table_'.$table;
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if (strlen($CONFIG[$config_key]))
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return $CONFIG[$config_key];
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return $table;
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}
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/**
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* Return correct name for a specific database sequence
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* (used for Postgres only)
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*
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* @param string Secuence name
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* @return string Translated sequence name
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*/
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function get_sequence_name($sequence)
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{
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global $CONFIG;
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// return table name if configured
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$config_key = 'db_sequence_'.$sequence;
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if (strlen($CONFIG[$config_key]))
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return $CONFIG[$config_key];
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return $sequence;
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}
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/**
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* Check the given string and returns language properties
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*
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* @param string Language code
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* @param string Peropert name
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* @return string Property value
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*/
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function rcube_language_prop($lang, $prop='lang')
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{
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static $rcube_languages, $rcube_language_aliases, $rcube_charsets;
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if (empty($rcube_languages))
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@include(INSTALL_PATH.'program/localization/index.inc');
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// check if we have an alias for that language
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if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang]))
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$lang = $rcube_language_aliases[$lang];
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// try the first two chars
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if (!isset($rcube_languages[$lang]) && strlen($lang)>2)
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{
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$lang = substr($lang, 0, 2);
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$lang = rcube_language_prop($lang);
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}
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if (!isset($rcube_languages[$lang]))
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$lang = 'en_US';
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// language has special charset configured
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if (isset($rcube_charsets[$lang]))
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$charset = $rcube_charsets[$lang];
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else
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$charset = 'UTF-8';
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if ($prop=='charset')
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return $charset;
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else
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return $lang;
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}
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/**
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* Init output object for GUI and add common scripts.
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* This will instantiate a rcmail_template object and set
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* environment vars according to the current session and configuration
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*/
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function rcmail_load_gui()
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{
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global $CONFIG, $OUTPUT, $sess_user_lang;
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// init output page
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$OUTPUT = new rcube_template($CONFIG, $GLOBALS['_task']);
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$OUTPUT->set_env('comm_path', $GLOBALS['COMM_PATH']);
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foreach (array('flag_for_deletion') as $js_config_var)
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$OUTPUT->set_env($js_config_var, $CONFIG[$js_config_var]);
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if (!empty($GLOBALS['_framed']))
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$OUTPUT->set_env('framed', true);
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// set locale setting
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rcmail_set_locale($sess_user_lang);
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// set user-selected charset
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if (!empty($CONFIG['charset']))
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$OUTPUT->set_charset($CONFIG['charset']);
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// add some basic label to client
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$OUTPUT->add_label('loading');
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}
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/**
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* Create an output object for JSON responses
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*/
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function rcmail_init_json()
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{
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global $CONFIG, $OUTPUT;
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// init output object
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$OUTPUT = new rcube_json_output($CONFIG, $GLOBALS['_task']);
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// set locale setting
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rcmail_set_locale($sess_user_lang);
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}
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/**
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* Set localization charset based on the given language.
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* This also creates a global property for mbstring usage.
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*/
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function rcmail_set_locale($lang)
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{
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global $OUTPUT, $MBSTRING;
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static $s_mbstring_loaded = NULL;
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// settings for mbstring module (by Tadashi Jokagi)
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if (is_null($s_mbstring_loaded))
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$MBSTRING = $s_mbstring_loaded = extension_loaded("mbstring");
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else
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$MBSTRING = $s_mbstring_loaded = FALSE;
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if ($MBSTRING)
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mb_internal_encoding(RCMAIL_CHARSET);
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$OUTPUT->set_charset(rcube_language_prop($lang, 'charset'));
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}
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/**
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* Auto-select IMAP host based on the posted login information
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*
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* @return string Selected IMAP host
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*/
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function rcmail_autoselect_host()
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{
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global $CONFIG;
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$host = isset($_POST['_host']) ? get_input_value('_host', RCUBE_INPUT_POST) : $CONFIG['default_host'];
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if (is_array($host))
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{
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list($user, $domain) = explode('@', get_input_value('_user', RCUBE_INPUT_POST));
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if (!empty($domain))
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{
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foreach ($host as $imap_host => $mail_domains)
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if (is_array($mail_domains) && in_array($domain, $mail_domains))
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{
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$host = $imap_host;
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break;
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}
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}
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// take the first entry if $host is still an array
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if (is_array($host))
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$host = array_shift($host);
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}
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return $host;
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}
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/**
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* Perfom login to the IMAP server and to the webmail service.
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* This will also create a new user entry if auto_create_user is configured.
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*
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* @param string IMAP user name
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* @param string IMAP password
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* @param string IMAP host
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* @return boolean True on success, False on failure
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*/
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function rcmail_login($user, $pass, $host=NULL)
|
|
{
|
|
global $CONFIG, $IMAP, $DB, $USER, $sess_user_lang;
|
|
$user_id = NULL;
|
|
|
|
if (!$host)
|
|
$host = $CONFIG['default_host'];
|
|
|
|
// Validate that selected host is in the list of configured hosts
|
|
if (is_array($CONFIG['default_host']))
|
|
{
|
|
$allowed = FALSE;
|
|
foreach ($CONFIG['default_host'] as $key => $host_allowed)
|
|
{
|
|
if (!is_numeric($key))
|
|
$host_allowed = $key;
|
|
if ($host == $host_allowed)
|
|
{
|
|
$allowed = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
if (!$allowed)
|
|
return FALSE;
|
|
}
|
|
else if (!empty($CONFIG['default_host']) && $host != $CONFIG['default_host'])
|
|
return FALSE;
|
|
|
|
// parse $host URL
|
|
$a_host = parse_url($host);
|
|
if ($a_host['host'])
|
|
{
|
|
$host = $a_host['host'];
|
|
$imap_ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
|
|
$imap_port = isset($a_host['port']) ? $a_host['port'] : ($imap_ssl ? 993 : $CONFIG['default_port']);
|
|
}
|
|
else
|
|
$imap_port = $CONFIG['default_port'];
|
|
|
|
|
|
/* Modify username with domain if required
|
|
Inspired by Marco <P0L0_notspam_binware.org>
|
|
*/
|
|
// Check if we need to add domain
|
|
if (!empty($CONFIG['username_domain']) && !strpos($user, '@'))
|
|
{
|
|
if (is_array($CONFIG['username_domain']) && isset($CONFIG['username_domain'][$host]))
|
|
$user .= '@'.$CONFIG['username_domain'][$host];
|
|
else if (is_string($CONFIG['username_domain']))
|
|
$user .= '@'.$CONFIG['username_domain'];
|
|
}
|
|
|
|
// try to resolve email address from virtuser table
|
|
if (!empty($CONFIG['virtuser_file']) && strpos($user, '@'))
|
|
$user = rcube_user::email2user($user);
|
|
|
|
// lowercase username if it's an e-mail address (#1484473)
|
|
if (strpos($user, '@'))
|
|
$user = strtolower($user);
|
|
|
|
// query if user already registered
|
|
if ($existing = rcube_user::query($user, $host))
|
|
$USER = $existing;
|
|
|
|
// user already registered -> overwrite username
|
|
if ($USER->ID)
|
|
{
|
|
$user_id = $USER->ID;
|
|
$user = $USER->data['username'];
|
|
}
|
|
|
|
// exit if IMAP login failed
|
|
if (!($imap_login = $IMAP->connect($host, $user, $pass, $imap_port, $imap_ssl)))
|
|
return false;
|
|
|
|
// user already registered
|
|
if ($USER->ID)
|
|
{
|
|
// get user prefs
|
|
$CONFIG = array_merge($CONFIG, (array)$USER->get_prefs());
|
|
|
|
// set user specific language
|
|
if (!empty($USER->data['language']))
|
|
$sess_user_lang = $_SESSION['user_lang'] = $USER->data['language'];
|
|
|
|
// update user's record
|
|
$USER->touch();
|
|
}
|
|
// create new system user
|
|
else if ($CONFIG['auto_create_user'])
|
|
{
|
|
if ($created = rcube_user::create($user, $host))
|
|
{
|
|
$USER = $created;
|
|
|
|
// get existing mailboxes
|
|
$a_mailboxes = $IMAP->list_mailboxes();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
raise_error(array(
|
|
'code' => 600,
|
|
'type' => 'php',
|
|
'file' => "config/main.inc.php",
|
|
'message' => "Acces denied for new user $user. 'auto_create_user' is disabled"
|
|
), true, false);
|
|
}
|
|
|
|
if ($USER->ID)
|
|
{
|
|
$_SESSION['user_id'] = $USER->ID;
|
|
$_SESSION['username'] = $USER->data['username'];
|
|
$_SESSION['imap_host'] = $host;
|
|
$_SESSION['imap_port'] = $imap_port;
|
|
$_SESSION['imap_ssl'] = $imap_ssl;
|
|
$_SESSION['user_lang'] = $sess_user_lang;
|
|
$_SESSION['password'] = encrypt_passwd($pass);
|
|
$_SESSION['login_time'] = mktime();
|
|
|
|
// force reloading complete list of subscribed mailboxes
|
|
rcmail_set_imap_prop();
|
|
$IMAP->clear_cache('mailboxes');
|
|
|
|
if ($CONFIG['create_default_folders'])
|
|
$IMAP->create_default_folders();
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Load virtuser table in array
|
|
*
|
|
* @return array Virtuser table entries
|
|
*/
|
|
function rcmail_getvirtualfile()
|
|
{
|
|
global $CONFIG;
|
|
if (empty($CONFIG['virtuser_file']) || !is_file($CONFIG['virtuser_file']))
|
|
return FALSE;
|
|
|
|
// read file
|
|
$a_lines = file($CONFIG['virtuser_file']);
|
|
return $a_lines;
|
|
}
|
|
|
|
|
|
/**
|
|
* Find matches of the given pattern in virtuser table
|
|
*
|
|
* @param string Regular expression to search for
|
|
* @return array Matching entries
|
|
*/
|
|
function rcmail_findinvirtual($pattern)
|
|
{
|
|
$result = array();
|
|
$virtual = rcmail_getvirtualfile();
|
|
if ($virtual==FALSE)
|
|
return $result;
|
|
|
|
// check each line for matches
|
|
foreach ($virtual as $line)
|
|
{
|
|
$line = trim($line);
|
|
if (empty($line) || $line{0}=='#')
|
|
continue;
|
|
|
|
if (eregi($pattern, $line))
|
|
$result[] = $line;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Overwrite action variable
|
|
*
|
|
* @param string New action value
|
|
*/
|
|
function rcmail_overwrite_action($action)
|
|
{
|
|
global $OUTPUT;
|
|
$GLOBALS['_action'] = $action;
|
|
$OUTPUT->set_env('action', $action);
|
|
}
|
|
|
|
|
|
/**
|
|
* Compose an URL for a specific action
|
|
*
|
|
* @param string Request action
|
|
* @param array More URL parameters
|
|
* @param string Request task (omit if the same)
|
|
* @return The application URL
|
|
*/
|
|
function rcmail_url($action, $p=array(), $task=null)
|
|
{
|
|
global $MAIN_TASKS, $COMM_PATH;
|
|
$qstring = '';
|
|
$base = $COMM_PATH;
|
|
|
|
if ($task && in_array($task, $MAIN_TASKS))
|
|
$base = ereg_replace('_task=[a-z]+', '_task='.$task, $COMM_PATH);
|
|
|
|
if (is_array($p))
|
|
foreach ($p as $key => $val)
|
|
$qstring .= '&'.urlencode($key).'='.urlencode($val);
|
|
|
|
return $base . ($action ? '&_action='.$action : '') . $qstring;
|
|
}
|
|
|
|
|
|
// @deprecated
|
|
function show_message($message, $type='notice', $vars=NULL)
|
|
{
|
|
global $OUTPUT;
|
|
$OUTPUT->show_message($message, $type, $vars);
|
|
}
|
|
|
|
|
|
/**
|
|
* Encrypt IMAP password using DES encryption
|
|
*
|
|
* @param string Password to encrypt
|
|
* @return string Encryprted string
|
|
*/
|
|
function encrypt_passwd($pass)
|
|
{
|
|
if (function_exists('mcrypt_module_open') && ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_ECB, ""))) {
|
|
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
|
|
mcrypt_generic_init($td, get_des_key(), $iv);
|
|
$cypher = mcrypt_generic($td, $pass);
|
|
mcrypt_generic_deinit($td);
|
|
mcrypt_module_close($td);
|
|
}
|
|
else if (function_exists('des')) {
|
|
$cypher = des(get_des_key(), $pass, 1, 0, NULL);
|
|
}
|
|
else {
|
|
$cypher = $pass;
|
|
|
|
raise_error(array(
|
|
'code' => 500,
|
|
'type' => 'php',
|
|
'file' => __FILE__,
|
|
'message' => "Could not convert encrypt password. Make sure Mcrypt is installed or lib/des.inc is available"
|
|
), true, false);
|
|
}
|
|
|
|
return base64_encode($cypher);
|
|
}
|
|
|
|
|
|
/**
|
|
* Decrypt IMAP password using DES encryption
|
|
*
|
|
* @param string Encrypted password
|
|
* @return string Plain password
|
|
*/
|
|
function decrypt_passwd($cypher)
|
|
{
|
|
if (function_exists('mcrypt_module_open') && ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_ECB, ""))) {
|
|
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
|
|
mcrypt_generic_init($td, get_des_key(), $iv);
|
|
$pass = mdecrypt_generic($td, base64_decode($cypher));
|
|
mcrypt_generic_deinit($td);
|
|
mcrypt_module_close($td);
|
|
}
|
|
else if (function_exists('des')) {
|
|
$pass = des(get_des_key(), base64_decode($cypher), 0, 0, NULL);
|
|
}
|
|
else {
|
|
$pass = base64_decode($cypher);
|
|
}
|
|
|
|
return preg_replace('/\x00/', '', $pass);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return a 24 byte key for the DES encryption
|
|
*
|
|
* @return string DES encryption key
|
|
*/
|
|
function get_des_key()
|
|
{
|
|
$key = !empty($GLOBALS['CONFIG']['des_key']) ? $GLOBALS['CONFIG']['des_key'] : 'rcmail?24BitPwDkeyF**ECB';
|
|
$len = strlen($key);
|
|
|
|
// make sure the key is exactly 24 chars long
|
|
if ($len<24)
|
|
$key .= str_repeat('_', 24-$len);
|
|
else if ($len>24)
|
|
substr($key, 0, 24);
|
|
|
|
return $key;
|
|
}
|
|
|
|
|
|
/**
|
|
* Read directory program/localization and return a list of available languages
|
|
*
|
|
* @return array List of available localizations
|
|
*/
|
|
function rcube_list_languages()
|
|
{
|
|
global $CONFIG;
|
|
static $sa_languages = array();
|
|
|
|
if (!sizeof($sa_languages))
|
|
{
|
|
@include(INSTALL_PATH.'program/localization/index.inc');
|
|
|
|
if ($dh = @opendir(INSTALL_PATH.'program/localization'))
|
|
{
|
|
while (($name = readdir($dh)) !== false)
|
|
{
|
|
if ($name{0}=='.' || !is_dir(INSTALL_PATH.'program/localization/'.$name))
|
|
continue;
|
|
|
|
if ($label = $rcube_languages[$name])
|
|
$sa_languages[$name] = $label ? $label : $name;
|
|
}
|
|
closedir($dh);
|
|
}
|
|
}
|
|
return $sa_languages;
|
|
}
|
|
|
|
|
|
/**
|
|
* Add a localized label to the client environment
|
|
* @deprecated
|
|
*/
|
|
function rcube_add_label()
|
|
{
|
|
global $OUTPUT;
|
|
|
|
$arg_list = func_get_args();
|
|
foreach ($arg_list as $i => $name)
|
|
$OUTPUT->add_label($name);
|
|
}
|
|
|
|
|
|
/**
|
|
* Garbage collector function for temp files.
|
|
* Remove temp files older than two days
|
|
*/
|
|
function rcmail_temp_gc()
|
|
{
|
|
$tmp = unslashify($CONFIG['temp_dir']);
|
|
$expire = mktime() - 172800; // expire in 48 hours
|
|
|
|
if ($dir = opendir($tmp))
|
|
{
|
|
while (($fname = readdir($dir)) !== false)
|
|
{
|
|
if ($fname{0} == '.')
|
|
continue;
|
|
|
|
if (filemtime($tmp.'/'.$fname) < $expire)
|
|
@unlink($tmp.'/'.$fname);
|
|
}
|
|
|
|
closedir($dir);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Garbage collector for cache entries.
|
|
* Remove all expired message cache records
|
|
*/
|
|
function rcmail_message_cache_gc()
|
|
{
|
|
global $DB, $CONFIG;
|
|
|
|
// no cache lifetime configured
|
|
if (empty($CONFIG['message_cache_lifetime']))
|
|
return;
|
|
|
|
// get target timestamp
|
|
$ts = get_offset_time($CONFIG['message_cache_lifetime'], -1);
|
|
|
|
$DB->query("DELETE FROM ".get_table_name('messages')."
|
|
WHERE created < ".$DB->fromunixtime($ts));
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert a string from one charset to another.
|
|
* Uses mbstring and iconv functions if possible
|
|
*
|
|
* @param string Input string
|
|
* @param string Suspected charset of the input string
|
|
* @param string Target charset to convert to; defaults to RCMAIL_CHARSET
|
|
* @return Converted string
|
|
*/
|
|
function rcube_charset_convert($str, $from, $to=NULL)
|
|
{
|
|
global $MBSTRING;
|
|
static $convert_warning = false;
|
|
|
|
$from = strtoupper($from);
|
|
$to = $to==NULL ? strtoupper(RCMAIL_CHARSET) : strtoupper($to);
|
|
$error = false; $conv = null;
|
|
|
|
if ($from==$to || $str=='' || empty($from))
|
|
return $str;
|
|
|
|
$aliases = array(
|
|
'UNKNOWN-8BIT' => 'ISO-8859-15',
|
|
'X-UNKNOWN' => 'ISO-8859-15',
|
|
'X-USER-DEFINED' => 'ISO-8859-15',
|
|
'ISO-8859-8-I' => 'ISO-8859-8',
|
|
'KS_C_5601-1987' => 'EUC-KR',
|
|
);
|
|
|
|
// convert charset using iconv module
|
|
if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7')
|
|
{
|
|
$aliases['GB2312'] = 'GB18030';
|
|
return iconv(($aliases[$from] ? $aliases[$from] : $from), ($aliases[$to] ? $aliases[$to] : $to) . "//IGNORE", $str);
|
|
}
|
|
|
|
// convert charset using mbstring module
|
|
if ($MBSTRING)
|
|
{
|
|
$aliases['UTF-7'] = 'UTF7-IMAP';
|
|
$aliases['WINDOWS-1257'] = 'ISO-8859-13';
|
|
|
|
// return if convert succeeded
|
|
if (($out = mb_convert_encoding($str, ($aliases[$to] ? $aliases[$to] : $to), ($aliases[$from] ? $aliases[$from] : $from))) != '')
|
|
return $out;
|
|
}
|
|
|
|
|
|
if (class_exists('utf8'))
|
|
$conv = new utf8();
|
|
|
|
// convert string to UTF-8
|
|
if ($from == 'UTF-7')
|
|
$str = utf7_to_utf8($str);
|
|
else if (($from == 'ISO-8859-1') && function_exists('utf8_encode'))
|
|
$str = utf8_encode($str);
|
|
else if ($from != 'UTF-8' && $conv)
|
|
{
|
|
$conv->loadCharset($from);
|
|
$str = $conv->strToUtf8($str);
|
|
}
|
|
else if ($from != 'UTF-8')
|
|
$error = true;
|
|
|
|
// encode string for output
|
|
if ($to == 'UTF-7')
|
|
return utf8_to_utf7($str);
|
|
else if ($to == 'ISO-8859-1' && function_exists('utf8_decode'))
|
|
return utf8_decode($str);
|
|
else if ($to != 'UTF-8' && $conv)
|
|
{
|
|
$conv->loadCharset($to);
|
|
return $conv->utf8ToStr($str);
|
|
}
|
|
else if ($to != 'UTF-8')
|
|
$error = true;
|
|
|
|
// report error
|
|
if ($error && !$convert_warning)
|
|
{
|
|
raise_error(array(
|
|
'code' => 500,
|
|
'type' => 'php',
|
|
'file' => __FILE__,
|
|
'message' => "Could not convert string charset. Make sure iconv is installed or lib/utf8.class is available"
|
|
), true, false);
|
|
|
|
$convert_warning = true;
|
|
}
|
|
|
|
// return UTF-8 string
|
|
return $str;
|
|
}
|
|
|
|
|
|
/**
|
|
* Replacing specials characters to a specific encoding type
|
|
*
|
|
* @param string Input string
|
|
* @param string Encoding type: text|html|xml|js|url
|
|
* @param string Replace mode for tags: show|replace|remove
|
|
* @param boolean Convert newlines
|
|
* @return The quoted string
|
|
*/
|
|
function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
|
|
{
|
|
global $OUTPUT_TYPE, $OUTPUT;
|
|
static $html_encode_arr, $js_rep_table, $xml_rep_table;
|
|
|
|
if (!$enctype)
|
|
$enctype = $GLOBALS['OUTPUT_TYPE'];
|
|
|
|
// encode for plaintext
|
|
if ($enctype=='text')
|
|
return str_replace("\r\n", "\n", $mode=='remove' ? strip_tags($str) : $str);
|
|
|
|
// encode for HTML output
|
|
if ($enctype=='html')
|
|
{
|
|
if (!$html_encode_arr)
|
|
{
|
|
$html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);
|
|
unset($html_encode_arr['?']);
|
|
}
|
|
|
|
$ltpos = strpos($str, '<');
|
|
$encode_arr = $html_encode_arr;
|
|
|
|
// don't replace quotes and html tags
|
|
if (($mode=='show' || $mode=='') && $ltpos!==false && strpos($str, '>', $ltpos)!==false)
|
|
{
|
|
unset($encode_arr['"']);
|
|
unset($encode_arr['<']);
|
|
unset($encode_arr['>']);
|
|
unset($encode_arr['&']);
|
|
}
|
|
else if ($mode=='remove')
|
|
$str = strip_tags($str);
|
|
|
|
// avoid douple quotation of &
|
|
$out = preg_replace('/&([a-z]{2,5}|#[0-9]{2,4});/', '&\\1;', strtr($str, $encode_arr));
|
|
|
|
return $newlines ? nl2br($out) : $out;
|
|
}
|
|
|
|
if ($enctype=='url')
|
|
return rawurlencode($str);
|
|
|
|
// if the replace tables for XML and JS are not yet defined
|
|
if (!$js_rep_table)
|
|
{
|
|
$js_rep_table = $xml_rep_table = array();
|
|
$xml_rep_table['&'] = '&';
|
|
|
|
for ($c=160; $c<256; $c++) // can be increased to support more charsets
|
|
{
|
|
$xml_rep_table[Chr($c)] = "&#$c;";
|
|
|
|
if ($OUTPUT->get_charset()=='ISO-8859-1')
|
|
$js_rep_table[Chr($c)] = sprintf("\\u%04x", $c);
|
|
}
|
|
|
|
$xml_rep_table['"'] = '"';
|
|
}
|
|
|
|
// encode for XML
|
|
if ($enctype=='xml')
|
|
return strtr($str, $xml_rep_table);
|
|
|
|
// encode for javascript use
|
|
if ($enctype=='js')
|
|
{
|
|
if ($OUTPUT->get_charset()!='UTF-8')
|
|
$str = rcube_charset_convert($str, RCMAIL_CHARSET, $OUTPUT->get_charset());
|
|
|
|
return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), addslashes(strtr($str, $js_rep_table)));
|
|
}
|
|
|
|
// no encoding given -> return original string
|
|
return $str;
|
|
}
|
|
|
|
/**
|
|
* Quote a given string.
|
|
* Shortcut function for rep_specialchars_output
|
|
*
|
|
* @return string HTML-quoted string
|
|
* @see rep_specialchars_output()
|
|
*/
|
|
function Q($str, $mode='strict', $newlines=TRUE)
|
|
{
|
|
return rep_specialchars_output($str, 'html', $mode, $newlines);
|
|
}
|
|
|
|
/**
|
|
* Quote a given string for javascript output.
|
|
* Shortcut function for rep_specialchars_output
|
|
*
|
|
* @return string JS-quoted string
|
|
* @see rep_specialchars_output()
|
|
*/
|
|
function JQ($str)
|
|
{
|
|
return rep_specialchars_output($str, 'js');
|
|
}
|
|
|
|
|
|
/**
|
|
* Read input value and convert it for internal use
|
|
* Performs stripslashes() and charset conversion if necessary
|
|
*
|
|
* @param string Field name to read
|
|
* @param int Source to get value from (GPC)
|
|
* @param boolean Allow HTML tags in field value
|
|
* @param string Charset to convert into
|
|
* @return string Field value or NULL if not available
|
|
*/
|
|
function get_input_value($fname, $source, $allow_html=FALSE, $charset=NULL)
|
|
{
|
|
global $OUTPUT;
|
|
$value = NULL;
|
|
|
|
if ($source==RCUBE_INPUT_GET && isset($_GET[$fname]))
|
|
$value = $_GET[$fname];
|
|
else if ($source==RCUBE_INPUT_POST && isset($_POST[$fname]))
|
|
$value = $_POST[$fname];
|
|
else if ($source==RCUBE_INPUT_GPC)
|
|
{
|
|
if (isset($_POST[$fname]))
|
|
$value = $_POST[$fname];
|
|
else if (isset($_GET[$fname]))
|
|
$value = $_GET[$fname];
|
|
else if (isset($_COOKIE[$fname]))
|
|
$value = $_COOKIE[$fname];
|
|
}
|
|
|
|
// strip slashes if magic_quotes enabled
|
|
if ((bool)get_magic_quotes_gpc())
|
|
$value = stripslashes($value);
|
|
|
|
// remove HTML tags if not allowed
|
|
if (!$allow_html)
|
|
$value = strip_tags($value);
|
|
|
|
// convert to internal charset
|
|
if (is_object($OUTPUT))
|
|
return rcube_charset_convert($value, $OUTPUT->get_charset(), $charset);
|
|
else
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Remove all non-ascii and non-word chars
|
|
* except . and -
|
|
*/
|
|
function asciiwords($str)
|
|
{
|
|
return preg_replace('/[^a-z0-9.-_]/i', '', $str);
|
|
}
|
|
|
|
/**
|
|
* Remove single and double quotes from given string
|
|
*
|
|
* @param string Input value
|
|
* @return string Dequoted string
|
|
*/
|
|
function strip_quotes($str)
|
|
{
|
|
return preg_replace('/[\'"]/', '', $str);
|
|
}
|
|
|
|
|
|
/**
|
|
* Remove new lines characters from given string
|
|
*
|
|
* @param string Input value
|
|
* @return string Stripped string
|
|
*/
|
|
function strip_newlines($str)
|
|
{
|
|
return preg_replace('/[\r\n]/', '', $str);
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if a specific template exists
|
|
*
|
|
* @param string Template name
|
|
* @return boolean True if template exists
|
|
*/
|
|
function template_exists($name)
|
|
{
|
|
global $CONFIG;
|
|
$skin_path = $CONFIG['skin_path'];
|
|
|
|
// check template file
|
|
return is_file("$skin_path/templates/$name.html");
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a HTML table based on the given data
|
|
*
|
|
* @param array Named table attributes
|
|
* @param mixed Table row data. Either a two-dimensional array or a valid SQL result set
|
|
* @param array List of cols to show
|
|
* @param string Name of the identifier col
|
|
* @return string HTML table code
|
|
*/
|
|
function rcube_table_output($attrib, $table_data, $a_show_cols, $id_col)
|
|
{
|
|
global $DB;
|
|
|
|
// allow the following attributes to be added to the <table> tag
|
|
$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'cellpadding', 'cellspacing', 'border', 'summary'));
|
|
|
|
$table = '<table' . $attrib_str . ">\n";
|
|
|
|
// add table title
|
|
$table .= "<thead><tr>\n";
|
|
|
|
foreach ($a_show_cols as $col)
|
|
$table .= '<td class="'.$col.'">' . Q(rcube_label($col)) . "</td>\n";
|
|
|
|
$table .= "</tr></thead>\n<tbody>\n";
|
|
|
|
$c = 0;
|
|
if (!is_array($table_data))
|
|
{
|
|
while ($table_data && ($sql_arr = $DB->fetch_assoc($table_data)))
|
|
{
|
|
$zebra_class = $c%2 ? 'even' : 'odd';
|
|
|
|
$table .= sprintf('<tr id="rcmrow%d" class="contact '.$zebra_class.'">'."\n", $sql_arr[$id_col]);
|
|
|
|
// format each col
|
|
foreach ($a_show_cols as $col)
|
|
{
|
|
$cont = Q($sql_arr[$col]);
|
|
$table .= '<td class="'.$col.'">' . $cont . "</td>\n";
|
|
}
|
|
|
|
$table .= "</tr>\n";
|
|
$c++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
foreach ($table_data as $row_data)
|
|
{
|
|
$zebra_class = $c%2 ? 'even' : 'odd';
|
|
|
|
$table .= sprintf('<tr id="rcmrow%d" class="contact '.$zebra_class.'">'."\n", $row_data[$id_col]);
|
|
|
|
// format each col
|
|
foreach ($a_show_cols as $col)
|
|
{
|
|
$cont = Q($row_data[$col]);
|
|
$table .= '<td class="'.$col.'">' . $cont . "</td>\n";
|
|
}
|
|
|
|
$table .= "</tr>\n";
|
|
$c++;
|
|
}
|
|
}
|
|
|
|
// complete message table
|
|
$table .= "</tbody></table>\n";
|
|
|
|
return $table;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create an edit field for inclusion on a form
|
|
*
|
|
* @param string col field name
|
|
* @param string value field value
|
|
* @param array attrib HTML element attributes for field
|
|
* @param string type HTML element type (default 'text')
|
|
* @return string HTML field definition
|
|
*/
|
|
function rcmail_get_edit_field($col, $value, $attrib, $type='text')
|
|
{
|
|
$fname = '_'.$col;
|
|
$attrib['name'] = $fname;
|
|
|
|
if ($type=='checkbox')
|
|
{
|
|
$attrib['value'] = '1';
|
|
$input = new html_checkbox($attrib);
|
|
}
|
|
else if ($type=='textarea')
|
|
{
|
|
$attrib['cols'] = $attrib['size'];
|
|
$input = new html_textarea($attrib);
|
|
}
|
|
else
|
|
$input = new html_inputfield($attrib);
|
|
|
|
// use value from post
|
|
if (!empty($_POST[$fname]))
|
|
$value = get_input_value($fname, RCUBE_INPUT_POST);
|
|
|
|
$out = $input->show($value);
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the mail domain configured for the given host
|
|
*
|
|
* @param string IMAP host
|
|
* @return string Resolved SMTP host
|
|
*/
|
|
function rcmail_mail_domain($host)
|
|
{
|
|
global $CONFIG;
|
|
|
|
$domain = $host;
|
|
if (is_array($CONFIG['mail_domain']))
|
|
{
|
|
if (isset($CONFIG['mail_domain'][$host]))
|
|
$domain = $CONFIG['mail_domain'][$host];
|
|
}
|
|
else if (!empty($CONFIG['mail_domain']))
|
|
$domain = $CONFIG['mail_domain'];
|
|
|
|
return $domain;
|
|
}
|
|
|
|
|
|
/**
|
|
* Replace all css definitions with #container [def]
|
|
* and remove css-inlined scripting
|
|
*
|
|
* @param string CSS source code
|
|
* @param string Container ID to use as prefix
|
|
* @return string Modified CSS source
|
|
*/
|
|
function rcmail_mod_css_styles($source, $container_id, $base_url = '')
|
|
{
|
|
$a_css_values = array();
|
|
$last_pos = 0;
|
|
|
|
// ignore the whole block if evil styles are detected
|
|
if (stristr($source, 'expression') || stristr($source, 'behavior'))
|
|
return '';
|
|
|
|
// cut out all contents between { and }
|
|
while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos)))
|
|
{
|
|
$key = sizeof($a_css_values);
|
|
$a_css_values[$key] = substr($source, $pos+1, $pos2-($pos+1));
|
|
$source = substr($source, 0, $pos+1) . "<<str_replacement[$key]>>" . substr($source, $pos2, strlen($source)-$pos2);
|
|
$last_pos = $pos+2;
|
|
}
|
|
|
|
// remove html comments and add #container to each tag selector.
|
|
// also replace body definition because we also stripped off the <body> tag
|
|
$styles = preg_replace(
|
|
array(
|
|
'/(^\s*<!--)|(-->\s*$)/',
|
|
'/(^\s*|,\s*|\}\s*)([a-z0-9\._#][a-z0-9\.\-_]*)/im',
|
|
'/@import\s+(url\()?[\'"]?([^\)\'"]+)[\'"]?(\))?/ime',
|
|
'/<<str_replacement\[([0-9]+)\]>>/e',
|
|
"/$container_id\s+body/i"
|
|
),
|
|
array(
|
|
'',
|
|
"\\1#$container_id \\2",
|
|
"sprintf(\"@import url('./bin/modcss.php?u=%s&c=%s')\", urlencode(make_absolute_url('\\2','$base_url')), urlencode($container_id))",
|
|
"\$a_css_values[\\1]",
|
|
"$container_id div.rcmBody"
|
|
),
|
|
$source);
|
|
|
|
return $styles;
|
|
}
|
|
|
|
/**
|
|
* Try to autodetect operating system and find the correct line endings
|
|
*
|
|
* @return string The appropriate mail header delimiter
|
|
*/
|
|
function rcmail_header_delm()
|
|
{
|
|
global $CONFIG;
|
|
|
|
// use the configured delimiter for headers
|
|
if (!empty($CONFIG['mail_header_delimiter']))
|
|
return $CONFIG['mail_header_delimiter'];
|
|
else if (strtolower(substr(PHP_OS, 0, 3)=='win'))
|
|
return "\r\n";
|
|
else if (strtolower(substr(PHP_OS, 0, 3)=='mac'))
|
|
return "\r\n";
|
|
else
|
|
return "\n";
|
|
}
|
|
|
|
|
|
/**
|
|
* Compose a valid attribute string for HTML tags
|
|
*
|
|
* @param array Named tag attributes
|
|
* @param array List of allowed attributes
|
|
* @return string HTML formatted attribute string
|
|
*/
|
|
function create_attrib_string($attrib, $allowed_attribs=array('id', 'class', 'style'))
|
|
{
|
|
// allow the following attributes to be added to the <iframe> tag
|
|
$attrib_str = '';
|
|
foreach ($allowed_attribs as $a)
|
|
if (isset($attrib[$a]))
|
|
$attrib_str .= sprintf(' %s="%s"', $a, str_replace('"', '"', $attrib[$a]));
|
|
|
|
return $attrib_str;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert a HTML attribute string attributes to an associative array (name => value)
|
|
*
|
|
* @param string Input string
|
|
* @return array Key-value pairs of parsed attributes
|
|
*/
|
|
function parse_attrib_string($str)
|
|
{
|
|
$attrib = array();
|
|
preg_match_all('/\s*([-_a-z]+)=(["\'])??(?(2)([^\2]+)\2|(\S+?))/Ui', stripslashes($str), $regs, PREG_SET_ORDER);
|
|
|
|
// convert attributes to an associative array (name => value)
|
|
if ($regs)
|
|
foreach ($regs as $attr)
|
|
{
|
|
$attrib[strtolower($attr[1])] = $attr[3] . $attr[4];
|
|
}
|
|
|
|
return $attrib;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convert the given date to a human readable form
|
|
* This uses the date formatting properties from config
|
|
*
|
|
* @param mixed Date representation (string or timestamp)
|
|
* @param string Date format to use
|
|
* @return string Formatted date string
|
|
*/
|
|
function format_date($date, $format=NULL)
|
|
{
|
|
global $CONFIG, $sess_user_lang;
|
|
|
|
$ts = NULL;
|
|
|
|
if (is_numeric($date))
|
|
$ts = $date;
|
|
else if (!empty($date))
|
|
{
|
|
while (($ts = @strtotime($date))===false)
|
|
{
|
|
// if we have a date in non-rfc format
|
|
// remove token from the end and try again
|
|
$d = explode(' ', $date);
|
|
array_pop($d);
|
|
if (!$d) break;
|
|
$date = implode(' ', $d);
|
|
}
|
|
}
|
|
|
|
if (empty($ts))
|
|
return '';
|
|
|
|
// get user's timezone
|
|
$tz = $CONFIG['timezone'];
|
|
if ($CONFIG['dst_active'])
|
|
$tz++;
|
|
|
|
// convert time to user's timezone
|
|
$timestamp = $ts - date('Z', $ts) + ($tz * 3600);
|
|
|
|
// get current timestamp in user's timezone
|
|
$now = time(); // local time
|
|
$now -= (int)date('Z'); // make GMT time
|
|
$now += ($tz * 3600); // user's time
|
|
$now_date = getdate($now);
|
|
|
|
$today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']);
|
|
$week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']);
|
|
|
|
// define date format depending on current time
|
|
if ($CONFIG['prettydate'] && !$format && $timestamp > $today_limit && $timestamp < $now)
|
|
return sprintf('%s %s', rcube_label('today'), date($CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i', $timestamp));
|
|
else if ($CONFIG['prettydate'] && !$format && $timestamp > $week_limit && $timestamp < $now)
|
|
$format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i';
|
|
else if (!$format)
|
|
$format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i';
|
|
|
|
|
|
// parse format string manually in order to provide localized weekday and month names
|
|
// an alternative would be to convert the date() format string to fit with strftime()
|
|
$out = '';
|
|
for($i=0; $i<strlen($format); $i++)
|
|
{
|
|
if ($format{$i}=='\\') // skip escape chars
|
|
continue;
|
|
|
|
// write char "as-is"
|
|
if ($format{$i}==' ' || $format{$i-1}=='\\')
|
|
$out .= $format{$i};
|
|
// weekday (short)
|
|
else if ($format{$i}=='D')
|
|
$out .= rcube_label(strtolower(date('D', $timestamp)));
|
|
// weekday long
|
|
else if ($format{$i}=='l')
|
|
$out .= rcube_label(strtolower(date('l', $timestamp)));
|
|
// month name (short)
|
|
else if ($format{$i}=='M')
|
|
$out .= rcube_label(strtolower(date('M', $timestamp)));
|
|
// month name (long)
|
|
else if ($format{$i}=='F')
|
|
$out .= rcube_label('long'.strtolower(date('M', $timestamp)));
|
|
else
|
|
$out .= date($format{$i}, $timestamp);
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Compose a valid representaion of name and e-mail address
|
|
*
|
|
* @param string E-mail address
|
|
* @param string Person name
|
|
* @return string Formatted string
|
|
*/
|
|
function format_email_recipient($email, $name='')
|
|
{
|
|
if ($name && $name != $email)
|
|
{
|
|
// Special chars as defined by RFC 822 need to in quoted string (or escaped).
|
|
return sprintf('%s <%s>', preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name) ? '"'.addcslashes($name, '"').'"' : $name, $email);
|
|
}
|
|
else
|
|
return $email;
|
|
}
|
|
|
|
|
|
|
|
/****** debugging functions ********/
|
|
|
|
|
|
/**
|
|
* Print or write debug messages
|
|
*
|
|
* @param mixed Debug message or data
|
|
*/
|
|
function console($msg)
|
|
{
|
|
if (!is_string($msg))
|
|
$msg = var_export($msg, true);
|
|
|
|
if (!($GLOBALS['CONFIG']['debug_level'] & 4))
|
|
write_log('console', $msg);
|
|
else if ($GLOBALS['REMOTE_REQUEST'])
|
|
print "/*\n $msg \n*/\n";
|
|
else
|
|
{
|
|
print '<div style="background:#eee; border:1px solid #ccc; margin-bottom:3px; padding:6px"><pre>';
|
|
print $msg;
|
|
print "</pre></div>\n";
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Append a line to a logfile in the logs directory.
|
|
* Date will be added automatically to the line.
|
|
*
|
|
* @param $name name of log file
|
|
* @param line Line to append
|
|
*/
|
|
function write_log($name, $line)
|
|
{
|
|
global $CONFIG;
|
|
|
|
if (!is_string($line))
|
|
$line = var_export($line, true);
|
|
|
|
$log_entry = sprintf("[%s]: %s\n",
|
|
date("d-M-Y H:i:s O", mktime()),
|
|
$line);
|
|
|
|
if (empty($CONFIG['log_dir']))
|
|
$CONFIG['log_dir'] = INSTALL_PATH.'logs';
|
|
|
|
// try to open specific log file for writing
|
|
if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a'))
|
|
{
|
|
fwrite($fp, $log_entry);
|
|
fclose($fp);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function rcube_timer()
|
|
{
|
|
list($usec, $sec) = explode(" ", microtime());
|
|
return ((float)$usec + (float)$sec);
|
|
}
|
|
|
|
|
|
/**
|
|
* @access private
|
|
*/
|
|
function rcube_print_time($timer, $label='Timer')
|
|
{
|
|
static $print_count = 0;
|
|
|
|
$print_count++;
|
|
$now = rcube_timer();
|
|
$diff = $now-$timer;
|
|
|
|
if (empty($label))
|
|
$label = 'Timer '.$print_count;
|
|
|
|
console(sprintf("%s: %0.4f sec", $label, $diff));
|
|
}
|
|
|
|
|
|
/**
|
|
* Return the mailboxlist in HTML
|
|
*
|
|
* @param array Named parameters
|
|
* @return string HTML code for the gui object
|
|
*/
|
|
function rcmail_mailbox_list($attrib)
|
|
{
|
|
global $IMAP, $CONFIG, $OUTPUT, $COMM_PATH;
|
|
static $s_added_script = FALSE;
|
|
static $a_mailboxes;
|
|
|
|
// add some labels to client
|
|
rcube_add_label('purgefolderconfirm');
|
|
rcube_add_label('deletemessagesconfirm');
|
|
|
|
// $mboxlist_start = rcube_timer();
|
|
|
|
$type = $attrib['type'] ? $attrib['type'] : 'ul';
|
|
$add_attrib = $type=='select' ? array('style', 'class', 'id', 'name', 'onchange') :
|
|
array('style', 'class', 'id');
|
|
|
|
if ($type=='ul' && !$attrib['id'])
|
|
$attrib['id'] = 'rcmboxlist';
|
|
|
|
// allow the following attributes to be added to the <ul> tag
|
|
$attrib_str = create_attrib_string($attrib, $add_attrib);
|
|
|
|
$out = '<' . $type . $attrib_str . ">\n";
|
|
|
|
// add no-selection option
|
|
if ($type=='select' && $attrib['noselection'])
|
|
$out .= sprintf('<option value="0">%s</option>'."\n",
|
|
rcube_label($attrib['noselection']));
|
|
|
|
// get mailbox list
|
|
$mbox_name = $IMAP->get_mailbox_name();
|
|
|
|
// build the folders tree
|
|
if (empty($a_mailboxes))
|
|
{
|
|
// get mailbox list
|
|
$a_folders = $IMAP->list_mailboxes();
|
|
$delimiter = $IMAP->get_hierarchy_delimiter();
|
|
$a_mailboxes = array();
|
|
|
|
// rcube_print_time($mboxlist_start, 'list_mailboxes()');
|
|
|
|
foreach ($a_folders as $folder)
|
|
rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
|
|
}
|
|
|
|
// var_dump($a_mailboxes);
|
|
|
|
if ($type=='select')
|
|
$out .= rcmail_render_folder_tree_select($a_mailboxes, $mbox_name, $attrib['maxlength']);
|
|
else
|
|
$out .= rcmail_render_folder_tree_html($a_mailboxes, $mbox_name, $attrib['maxlength']);
|
|
|
|
// rcube_print_time($mboxlist_start, 'render_folder_tree()');
|
|
|
|
|
|
if ($type=='ul')
|
|
$OUTPUT->add_gui_object('mailboxlist', $attrib['id']);
|
|
|
|
return $out . "</$type>";
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Create a hierarchical array of the mailbox list
|
|
* @access private
|
|
*/
|
|
function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
|
|
{
|
|
$pos = strpos($folder, $delm);
|
|
if ($pos !== false)
|
|
{
|
|
$subFolders = substr($folder, $pos+1);
|
|
$currentFolder = substr($folder, 0, $pos);
|
|
}
|
|
else
|
|
{
|
|
$subFolders = false;
|
|
$currentFolder = $folder;
|
|
}
|
|
|
|
$path .= $currentFolder;
|
|
|
|
if (!isset($arrFolders[$currentFolder]))
|
|
{
|
|
$arrFolders[$currentFolder] = array('id' => $path,
|
|
'name' => rcube_charset_convert($currentFolder, 'UTF-7'),
|
|
'folders' => array());
|
|
}
|
|
|
|
if (!empty($subFolders))
|
|
rcmail_build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return html for a structured list <ul> for the mailbox tree
|
|
* @access private
|
|
*/
|
|
function rcmail_render_folder_tree_html(&$arrFolders, &$mbox_name, $maxlength, $nestLevel=0)
|
|
{
|
|
global $COMM_PATH, $IMAP, $CONFIG, $OUTPUT;
|
|
|
|
$idx = 0;
|
|
$out = '';
|
|
foreach ($arrFolders as $key => $folder)
|
|
{
|
|
$zebra_class = ($nestLevel*$idx)%2 ? 'even' : 'odd';
|
|
$title = '';
|
|
|
|
if ($folder_class = rcmail_folder_classname($folder['id']))
|
|
$foldername = rcube_label($folder_class);
|
|
else
|
|
{
|
|
$foldername = $folder['name'];
|
|
|
|
// shorten the folder name to a given length
|
|
if ($maxlength && $maxlength>1)
|
|
{
|
|
$fname = abbreviate_string($foldername, $maxlength);
|
|
if ($fname != $foldername)
|
|
$title = ' title="'.Q($foldername).'"';
|
|
$foldername = $fname;
|
|
}
|
|
}
|
|
|
|
// make folder name safe for ids and class names
|
|
$folder_id = preg_replace('/[^A-Za-z0-9\-_]/', '', $folder['id']);
|
|
$class_name = preg_replace('/[^a-z0-9\-_]/', '', $folder_class ? $folder_class : strtolower($folder['id']));
|
|
|
|
// set special class for Sent, Drafts, Trash and Junk
|
|
if ($folder['id']==$CONFIG['sent_mbox'])
|
|
$class_name = 'sent';
|
|
else if ($folder['id']==$CONFIG['drafts_mbox'])
|
|
$class_name = 'drafts';
|
|
else if ($folder['id']==$CONFIG['trash_mbox'])
|
|
$class_name = 'trash';
|
|
else if ($folder['id']==$CONFIG['junk_mbox'])
|
|
$class_name = 'junk';
|
|
|
|
$js_name = htmlspecialchars(JQ($folder['id']));
|
|
$out .= sprintf('<li id="rcmli%s" class="mailbox %s %s%s%s"><a href="%s"'.
|
|
' onclick="return %s.command(\'list\',\'%s\',this)"'.
|
|
' onmouseover="return %s.focus_folder(\'%s\')"' .
|
|
' onmouseout="return %s.unfocus_folder(\'%s\')"' .
|
|
' onmouseup="return %s.folder_mouse_up(\'%s\')"%s>%s</a>',
|
|
$folder_id,
|
|
$class_name,
|
|
$zebra_class,
|
|
$unread_count ? ' unread' : '',
|
|
$folder['id']==$mbox_name ? ' selected' : '',
|
|
Q(rcmail_url('', array('_mbox' => $folder['id']))),
|
|
JS_OBJECT_NAME,
|
|
$js_name,
|
|
JS_OBJECT_NAME,
|
|
$js_name,
|
|
JS_OBJECT_NAME,
|
|
$js_name,
|
|
JS_OBJECT_NAME,
|
|
$js_name,
|
|
$title,
|
|
Q($foldername));
|
|
|
|
if (!empty($folder['folders']))
|
|
$out .= "\n<ul>\n" . rcmail_render_folder_tree_html($folder['folders'], $mbox_name, $maxlength, $nestLevel+1) . "</ul>\n";
|
|
|
|
$out .= "</li>\n";
|
|
$idx++;
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return html for a flat list <select> for the mailbox tree
|
|
* @access private
|
|
*/
|
|
function rcmail_render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, $nestLevel=0, $selected='')
|
|
{
|
|
global $IMAP, $OUTPUT;
|
|
|
|
$idx = 0;
|
|
$out = '';
|
|
foreach ($arrFolders as $key=>$folder)
|
|
{
|
|
if ($folder_class = rcmail_folder_classname($folder['id']))
|
|
$foldername = rcube_label($folder_class);
|
|
else
|
|
{
|
|
$foldername = $folder['name'];
|
|
|
|
// shorten the folder name to a given length
|
|
if ($maxlength && $maxlength>1)
|
|
$foldername = abbreviate_string($foldername, $maxlength);
|
|
}
|
|
|
|
$out .= sprintf('<option value="%s"%s>%s%s</option>'."\n",
|
|
htmlspecialchars($folder['id']),
|
|
($selected == $foldername ? ' selected="selected"' : ''),
|
|
str_repeat(' ', $nestLevel*4),
|
|
Q($foldername));
|
|
|
|
if (!empty($folder['folders']))
|
|
$out .= rcmail_render_folder_tree_select($folder['folders'], $mbox_name, $maxlength, $nestLevel+1, $selected);
|
|
|
|
$idx++;
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return internal name for the given folder if it matches the configured special folders
|
|
* @access private
|
|
*/
|
|
function rcmail_folder_classname($folder_id)
|
|
{
|
|
global $CONFIG;
|
|
|
|
$cname = null;
|
|
$folder_lc = strtolower($folder_id);
|
|
|
|
// for these mailboxes we have localized labels and css classes
|
|
foreach (array('inbox', 'sent', 'drafts', 'trash', 'junk') as $smbx)
|
|
{
|
|
if ($folder_lc == $smbx || $folder_id == $CONFIG[$smbx.'_mbox'])
|
|
$cname = $smbx;
|
|
}
|
|
|
|
return $cname;
|
|
}
|
|
|
|
|
|
/**
|
|
* Try to localize the given IMAP folder name.
|
|
* UTF-7 decode it in case no localized text was found
|
|
*
|
|
* @param string Folder name
|
|
* @return string Localized folder name in UTF-8 encoding
|
|
*/
|
|
function rcmail_localize_foldername($name)
|
|
{
|
|
if ($folder_class = rcmail_folder_classname($name))
|
|
return rcube_label($folder_class);
|
|
else
|
|
return rcube_charset_convert($name, 'UTF-7');
|
|
}
|
|
|
|
|
|
?>
|