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956 lines
28 KiB
PHP
956 lines
28 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/rcmail.php |
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| This file is part of the RoundCube Webmail client |
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| Copyright (C) 2008-2009, RoundCube Dev. - Switzerland |
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| Licensed under the GNU GPL |
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| PURPOSE: |
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| Application class providing core functions and holding |
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| instances of all 'global' objects like db- and imap-connections |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id: rcmail.php 328 2006-08-30 17:41:21Z thomasb $
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*/
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/**
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* Application class of RoundCube Webmail
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* implemented as singleton
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*
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* @package Core
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*/
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class rcmail
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{
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static public $main_tasks = array('mail','settings','addressbook','login','logout');
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static private $instance;
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public $config;
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public $user;
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public $db;
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public $imap;
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public $output;
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public $task = 'mail';
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public $action = '';
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public $comm_path = './';
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private $texts;
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/**
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* This implements the 'singleton' design pattern
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*
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* @return object rcmail The one and only instance
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*/
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static function get_instance()
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{
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if (!self::$instance) {
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self::$instance = new rcmail();
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self::$instance->startup(); // init AFTER object was linked with self::$instance
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}
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return self::$instance;
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}
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/**
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* Private constructor
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*/
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private function __construct()
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{
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// load configuration
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$this->config = new rcube_config();
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register_shutdown_function(array($this, 'shutdown'));
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}
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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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* @todo Remove global vars $DB, $USER
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*/
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private function startup()
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{
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$config_all = $this->config->all();
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// initialize syslog
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if ($this->config->get('log_driver') == 'syslog') {
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$syslog_id = $this->config->get('syslog_id', 'roundcube');
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$syslog_facility = $this->config->get('syslog_facility', LOG_USER);
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openlog($syslog_id, LOG_ODELAY, $syslog_facility);
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}
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// set task and action properties
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$this->set_task(strip_quotes(get_input_value('_task', RCUBE_INPUT_GPC)));
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$this->action = asciiwords(get_input_value('_action', RCUBE_INPUT_GPC));
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// connect to database
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$GLOBALS['DB'] = $this->get_dbh();
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// use database for storing session data
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include_once('include/session.inc');
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// set session domain
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if (!empty($config_all['session_domain'])) {
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ini_set('session.cookie_domain', $config_all['session_domain']);
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}
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// set session garbage collecting time according to session_lifetime
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if (!empty($config_all['session_lifetime'])) {
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ini_set('session.gc_maxlifetime', ($config_all['session_lifetime']) * 120);
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}
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// start PHP session (if not in CLI mode)
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if ($_SERVER['REMOTE_ADDR'])
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session_start();
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// set initial session vars
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if (!isset($_SESSION['auth_time'])) {
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$_SESSION['auth_time'] = time();
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$_SESSION['temp'] = true;
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}
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// create user object
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$this->set_user(new rcube_user($_SESSION['user_id']));
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// reset some session parameters when changing task
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if ($_SESSION['task'] != $this->task)
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unset($_SESSION['page']);
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// set current task to session
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$_SESSION['task'] = $this->task;
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// create IMAP object
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if ($this->task == 'mail')
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$this->imap_init();
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}
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/**
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* Setter for application task
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*
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* @param string Task to set
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*/
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public function set_task($task)
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{
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if (!in_array($task, self::$main_tasks))
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$task = 'mail';
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$this->task = $task;
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$this->comm_path = $this->url(array('task' => $task));
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if ($this->output)
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$this->output->set_env('task', $task);
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}
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/**
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* Setter for system user object
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*
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* @param object rcube_user Current user instance
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*/
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public function set_user($user)
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{
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if (is_object($user)) {
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$this->user = $user;
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$GLOBALS['USER'] = $this->user;
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// overwrite config with user preferences
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$this->config->merge((array)$this->user->get_prefs());
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}
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$_SESSION['language'] = $this->user->language = $this->language_prop($this->config->get('language', $_SESSION['language']));
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// set localization
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setlocale(LC_ALL, $_SESSION['language'] . '.utf8', 'en_US.utf8');
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// workaround for http://bugs.php.net/bug.php?id=18556
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if (in_array($_SESSION['language'], array('tr_TR', 'ku', 'az_AZ')))
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setlocale(LC_CTYPE, 'en_US' . '.utf8');
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}
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/**
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* Check the given string and return a valid language code
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*
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* @param string Language code
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* @return string Valid language code
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*/
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private function language_prop($lang)
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{
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static $rcube_languages, $rcube_language_aliases;
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// user HTTP_ACCEPT_LANGUAGE if no language is specified
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if (empty($lang) || $lang == 'auto') {
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$accept_langs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
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$lang = str_replace('-', '_', $accept_langs[0]);
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}
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if (empty($rcube_languages)) {
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@include(INSTALL_PATH . 'program/localization/index.inc');
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}
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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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}
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// try the first two chars
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else if (!isset($rcube_languages[$lang])) {
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$short = substr($lang, 0, 2);
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// check if we have an alias for the short language code
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if (!isset($rcube_languages[$short]) && isset($rcube_language_aliases[$short])) {
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$lang = $rcube_language_aliases[$short];
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}
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// expand 'nn' to 'nn_NN'
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else if (!isset($rcube_languages[$short])) {
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$lang = $short.'_'.strtoupper($short);
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}
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}
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if (!isset($rcube_languages[$lang]) || !is_dir(INSTALL_PATH . 'program/localization/' . $lang)) {
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$lang = 'en_US';
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}
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return $lang;
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}
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/**
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* Get the current database connection
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*
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* @return object rcube_mdb2 Database connection object
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*/
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public function get_dbh()
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{
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if (!$this->db) {
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$config_all = $this->config->all();
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$this->db = new rcube_mdb2($config_all['db_dsnw'], $config_all['db_dsnr'], $config_all['db_persistent']);
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$this->db->sqlite_initials = INSTALL_PATH . 'SQL/sqlite.initial.sql';
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$this->db->set_debug((bool)$config_all['sql_debug']);
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$this->db->db_connect('w');
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}
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return $this->db;
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}
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/**
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* Return instance of the internal address book class
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*
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* @param boolean True if the address book needs to be writeable
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* @return object rcube_contacts Address book object
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*/
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public function get_address_book($id, $writeable = false)
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{
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$contacts = null;
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$ldap_config = (array)$this->config->get('ldap_public');
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$abook_type = strtolower($this->config->get('address_book_type'));
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if ($id && $ldap_config[$id]) {
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$contacts = new rcube_ldap($ldap_config[$id]);
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}
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else if ($abook_type == 'ldap') {
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// Use the first writable LDAP address book.
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foreach ($ldap_config as $id => $prop) {
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if (!$writeable || $prop['writable']) {
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$contacts = new rcube_ldap($prop);
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break;
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}
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}
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}
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else {
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$contacts = new rcube_contacts($this->db, $this->user->ID);
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}
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return $contacts;
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}
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/**
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* Init output object for GUI and add common scripts.
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* This will instantiate a rcmail_template object and set
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* environment vars according to the current session and configuration
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*
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* @param boolean True if this request is loaded in a (i)frame
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* @return object rcube_template Reference to HTML output object
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*/
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public function load_gui($framed = false)
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{
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// init output page
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if (!($this->output instanceof rcube_template))
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$this->output = new rcube_template($this->task, $framed);
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foreach (array('flag_for_deletion','read_when_deleted') as $js_config_var) {
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$this->output->set_env($js_config_var, $this->config->get($js_config_var));
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}
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// set keep-alive/check-recent interval
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if ($keep_alive = $this->config->get('keep_alive')) {
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// be sure that it's less than session lifetime
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if ($session_lifetime = $this->config->get('session_lifetime'))
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$keep_alive = min($keep_alive, $session_lifetime * 60 - 30);
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$this->output->set_env('keep_alive', max(60, $keep_alive));
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}
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if ($framed) {
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$this->comm_path .= '&_framed=1';
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$this->output->set_env('framed', true);
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}
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$this->output->set_env('task', $this->task);
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$this->output->set_env('action', $this->action);
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$this->output->set_env('comm_path', $this->comm_path);
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$this->output->set_charset($this->config->get('charset', RCMAIL_CHARSET));
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// add some basic label to client
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$this->output->add_label('loading');
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return $this->output;
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}
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/**
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* Create an output object for JSON responses
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*
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* @return object rcube_json_output Reference to JSON output object
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*/
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public function init_json()
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{
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if (!($this->output instanceof rcube_json_output))
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$this->output = new rcube_json_output($this->task);
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return $this->output;
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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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* @todo Remove global $IMAP
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*/
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public function imap_init($connect = false)
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{
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$this->imap = new rcube_imap($this->db);
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$this->imap->debug_level = $this->config->get('debug_level');
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$this->imap->skip_deleted = $this->config->get('skip_deleted');
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// enable caching of imap data
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if ($this->config->get('enable_caching')) {
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$this->imap->set_caching(true);
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}
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// set pagesize from config
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$this->imap->set_pagesize($this->config->get('pagesize', 50));
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// Setting root and delimiter before iil_Connect can save time detecting them
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// using NAMESPACE and LIST
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$options = array(
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'imap' => $this->config->get('imap_auth_type', 'check'),
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'delimiter' => isset($_SESSION['imap_delimiter']) ? $_SESSION['imap_delimiter'] : $this->config->get('imap_delimiter'),
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);
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if (isset($_SESSION['imap_root']))
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$options['rootdir'] = $_SESSION['imap_root'];
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else if ($imap_root = $this->config->get('imap_root'))
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$options['rootdir'] = $imap_root;
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$this->imap->set_options($options);
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// set global object for backward compatibility
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$GLOBALS['IMAP'] = $this->imap;
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if ($connect)
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$this->imap_connect();
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}
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/**
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* Connect to IMAP server with stored session data
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*
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* @return bool True on success, false on error
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*/
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public function imap_connect()
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{
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$conn = false;
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if ($_SESSION['imap_host'] && !$this->imap->conn) {
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if (!($conn = $this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']))) {
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if ($this->output)
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$this->output->show_message($this->imap->error_code == -1 ? 'imaperror' : 'sessionerror', 'error');
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}
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$this->set_imap_prop();
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}
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return $conn;
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}
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/**
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* Perfom login to the IMAP server and to the webmail service.
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* This will also create a new user entry if auto_create_user is configured.
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*
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* @param string IMAP user name
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* @param string IMAP password
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* @param string IMAP host
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* @return boolean True on success, False on failure
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*/
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function login($username, $pass, $host=NULL)
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{
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$user = NULL;
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$config = $this->config->all();
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if (!$host)
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$host = $config['default_host'];
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// Validate that selected host is in the list of configured hosts
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if (is_array($config['default_host'])) {
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$allowed = false;
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foreach ($config['default_host'] as $key => $host_allowed) {
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if (!is_numeric($key))
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$host_allowed = $key;
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if ($host == $host_allowed) {
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$allowed = true;
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break;
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}
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}
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if (!$allowed)
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return false;
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}
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else if (!empty($config['default_host']) && $host != $config['default_host'])
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return false;
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// parse $host URL
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$a_host = parse_url($host);
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if ($a_host['host']) {
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$host = $a_host['host'];
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$imap_ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
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$imap_port = isset($a_host['port']) ? $a_host['port'] : ($imap_ssl ? 993 : $config['default_port']);
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}
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else
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$imap_port = $config['default_port'];
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/* Modify username with domain if required
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Inspired by Marco <P0L0_notspam_binware.org>
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*/
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// Check if we need to add domain
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if (!empty($config['username_domain']) && !strpos($username, '@')) {
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if (is_array($config['username_domain']) && isset($config['username_domain'][$host]))
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$username .= '@'.$config['username_domain'][$host];
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else if (is_string($config['username_domain']))
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$username .= '@'.$config['username_domain'];
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}
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// try to resolve email address from virtuser table
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if (!empty($config['virtuser_file']) && strpos($username, '@'))
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$username = rcube_user::email2user($username);
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// lowercase username if it's an e-mail address (#1484473)
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if (strpos($username, '@'))
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$username = rc_strtolower($username);
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// user already registered -> overwrite username
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if ($user = rcube_user::query($username, $host))
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$username = $user->data['username'];
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// exit if IMAP login failed
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if (!($imap_login = $this->imap->connect($host, $username, $pass, $imap_port, $imap_ssl)))
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return false;
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// user already registered -> update user's record
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if (is_object($user)) {
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$user->touch();
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}
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// create new system user
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else if ($config['auto_create_user']) {
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if ($created = rcube_user::create($username, $host)) {
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$user = $created;
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// get existing mailboxes (but why?)
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// $a_mailboxes = $this->imap->list_mailboxes();
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}
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}
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else {
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raise_error(array(
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'code' => 600,
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'type' => 'php',
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'file' => RCMAIL_CONFIG_DIR."/main.inc.php",
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'message' => "Acces denied for new user $username. 'auto_create_user' is disabled"
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), true, false);
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}
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// login succeeded
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if (is_object($user) && $user->ID) {
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$this->set_user($user);
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// set session vars
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$_SESSION['user_id'] = $user->ID;
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$_SESSION['username'] = $user->data['username'];
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$_SESSION['imap_host'] = $host;
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$_SESSION['imap_port'] = $imap_port;
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$_SESSION['imap_ssl'] = $imap_ssl;
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$_SESSION['password'] = $this->encrypt_passwd($pass);
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$_SESSION['login_time'] = mktime();
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if ($_REQUEST['_timezone'] != '_default_')
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$_SESSION['timezone'] = floatval($_REQUEST['_timezone']);
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// force reloading complete list of subscribed mailboxes
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$this->set_imap_prop();
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$this->imap->clear_cache('mailboxes');
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if ($config['create_default_folders'])
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$this->imap->create_default_folders();
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return true;
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}
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return false;
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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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public function set_imap_prop()
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{
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$this->imap->set_charset($this->config->get('default_charset', RCMAIL_CHARSET));
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if ($default_folders = $this->config->get('default_imap_folders')) {
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$this->imap->set_default_mailboxes($default_folders);
|
|
}
|
|
if (!empty($_SESSION['mbox'])) {
|
|
$this->imap->set_mailbox($_SESSION['mbox']);
|
|
}
|
|
if (isset($_SESSION['page'])) {
|
|
$this->imap->set_page($_SESSION['page']);
|
|
}
|
|
|
|
// cache IMAP root and delimiter in session for performance reasons
|
|
$_SESSION['imap_root'] = $this->imap->root_dir;
|
|
$_SESSION['imap_delimiter'] = $this->imap->delimiter;
|
|
}
|
|
|
|
|
|
/**
|
|
* Auto-select IMAP host based on the posted login information
|
|
*
|
|
* @return string Selected IMAP host
|
|
*/
|
|
public function autoselect_host()
|
|
{
|
|
$default_host = $this->config->get('default_host');
|
|
$host = null;
|
|
|
|
if (is_array($default_host)) {
|
|
$post_host = get_input_value('_host', RCUBE_INPUT_POST);
|
|
|
|
// direct match in default_host array
|
|
if ($default_host[$post_host] || in_array($post_host, array_values($default_host))) {
|
|
$host = $post_host;
|
|
}
|
|
|
|
// try to select host by mail domain
|
|
list($user, $domain) = explode('@', get_input_value('_user', RCUBE_INPUT_POST));
|
|
if (!empty($domain)) {
|
|
foreach ($default_host as $imap_host => $mail_domains) {
|
|
if (is_array($mail_domains) && in_array($domain, $mail_domains)) {
|
|
$host = $imap_host;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// take the first entry if $host is still an array
|
|
if (empty($host)) {
|
|
$host = array_shift($default_host);
|
|
}
|
|
}
|
|
else if (empty($default_host)) {
|
|
$host = get_input_value('_host', RCUBE_INPUT_POST);
|
|
}
|
|
else
|
|
$host = $default_host;
|
|
|
|
return $host;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get localized text in the desired language
|
|
*
|
|
* @param mixed Named parameters array or label name
|
|
* @return string Localized text
|
|
*/
|
|
public function gettext($attrib)
|
|
{
|
|
// load localization files if not done yet
|
|
if (empty($this->texts))
|
|
$this->load_language();
|
|
|
|
// extract attributes
|
|
if (is_string($attrib))
|
|
$attrib = array('name' => $attrib);
|
|
|
|
$nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1;
|
|
$vars = isset($attrib['vars']) ? $attrib['vars'] : '';
|
|
|
|
$command_name = !empty($attrib['command']) ? $attrib['command'] : NULL;
|
|
$alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : '');
|
|
|
|
// text does not exist
|
|
if (!($text_item = $this->texts[$alias])) {
|
|
/*
|
|
raise_error(array(
|
|
'code' => 500,
|
|
'type' => 'php',
|
|
'line' => __LINE__,
|
|
'file' => __FILE__,
|
|
'message' => "Missing localized text for '$alias' in '$sess_user_lang'"), TRUE, FALSE);
|
|
*/
|
|
return "[$alias]";
|
|
}
|
|
|
|
// make text item array
|
|
$a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item);
|
|
|
|
// decide which text to use
|
|
if ($nr == 1) {
|
|
$text = $a_text_item['single'];
|
|
}
|
|
else if ($nr > 0) {
|
|
$text = $a_text_item['multiple'];
|
|
}
|
|
else if ($nr == 0) {
|
|
if ($a_text_item['none'])
|
|
$text = $a_text_item['none'];
|
|
else if ($a_text_item['single'])
|
|
$text = $a_text_item['single'];
|
|
else if ($a_text_item['multiple'])
|
|
$text = $a_text_item['multiple'];
|
|
}
|
|
|
|
// default text is single
|
|
if ($text == '') {
|
|
$text = $a_text_item['single'];
|
|
}
|
|
|
|
// replace vars in text
|
|
if (is_array($attrib['vars'])) {
|
|
foreach ($attrib['vars'] as $var_key => $var_value)
|
|
$a_replace_vars[$var_key{0}=='$' ? substr($var_key, 1) : $var_key] = $var_value;
|
|
}
|
|
|
|
if ($a_replace_vars)
|
|
$text = preg_replace('/\$\{?([_a-z]{1}[_a-z0-9]*)\}?/ei', '$a_replace_vars["\1"]', $text);
|
|
|
|
// format output
|
|
if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst'])
|
|
return ucfirst($text);
|
|
else if ($attrib['uppercase'])
|
|
return strtoupper($text);
|
|
else if ($attrib['lowercase'])
|
|
return strtolower($text);
|
|
|
|
return $text;
|
|
}
|
|
|
|
|
|
/**
|
|
* Load a localization package
|
|
*
|
|
* @param string Language ID
|
|
*/
|
|
public function load_language($lang = null)
|
|
{
|
|
$lang = $this->language_prop(($lang ? $lang : $_SESSION['language']));
|
|
|
|
// load localized texts
|
|
if (empty($this->texts) || $lang != $_SESSION['language']) {
|
|
$this->texts = array();
|
|
|
|
// get english labels (these should be complete)
|
|
@include(INSTALL_PATH . 'program/localization/en_US/labels.inc');
|
|
@include(INSTALL_PATH . 'program/localization/en_US/messages.inc');
|
|
|
|
if (is_array($labels))
|
|
$this->texts = $labels;
|
|
if (is_array($messages))
|
|
$this->texts = array_merge($this->texts, $messages);
|
|
|
|
// include user language files
|
|
if ($lang != 'en' && is_dir(INSTALL_PATH . 'program/localization/' . $lang)) {
|
|
include_once(INSTALL_PATH . 'program/localization/' . $lang . '/labels.inc');
|
|
include_once(INSTALL_PATH . 'program/localization/' . $lang . '/messages.inc');
|
|
|
|
if (is_array($labels))
|
|
$this->texts = array_merge($this->texts, $labels);
|
|
if (is_array($messages))
|
|
$this->texts = array_merge($this->texts, $messages);
|
|
}
|
|
|
|
$_SESSION['language'] = $lang;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Read directory program/localization and return a list of available languages
|
|
*
|
|
* @return array List of available localizations
|
|
*/
|
|
public function list_languages()
|
|
{
|
|
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;
|
|
}
|
|
|
|
|
|
/**
|
|
* Check the auth hash sent by the client against the local session credentials
|
|
*
|
|
* @return boolean True if valid, False if not
|
|
*/
|
|
function authenticate_session()
|
|
{
|
|
global $SESS_CLIENT_IP, $SESS_CHANGED;
|
|
|
|
// advanced session authentication
|
|
if ($this->config->get('double_auth')) {
|
|
$now = time();
|
|
$valid = ($_COOKIE['sessauth'] == $this->get_auth_hash(session_id(), $_SESSION['auth_time']) ||
|
|
$_COOKIE['sessauth'] == $this->get_auth_hash(session_id(), $_SESSION['last_auth']));
|
|
|
|
// renew auth cookie every 5 minutes (only for GET requests)
|
|
if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now - $_SESSION['auth_time'] > 300)) {
|
|
$_SESSION['last_auth'] = $_SESSION['auth_time'];
|
|
$_SESSION['auth_time'] = $now;
|
|
rcmail::setcookie('sessauth', $this->get_auth_hash(session_id(), $now), 0);
|
|
}
|
|
}
|
|
else {
|
|
$valid = $this->config->get('ip_check') ? $_SERVER['REMOTE_ADDR'] == $SESS_CLIENT_IP : true;
|
|
}
|
|
|
|
// check session filetime
|
|
$lifetime = $this->config->get('session_lifetime');
|
|
if (!empty($lifetime) && isset($SESS_CHANGED) && $SESS_CHANGED + $lifetime*60 < time()) {
|
|
$valid = false;
|
|
}
|
|
|
|
return $valid;
|
|
}
|
|
|
|
|
|
/**
|
|
* Destroy session data and remove cookie
|
|
*/
|
|
public function kill_session()
|
|
{
|
|
$_SESSION = array('language' => $this->user->language, 'auth_time' => time(), 'temp' => true);
|
|
rcmail::setcookie('sessauth', '-del-', time() - 60);
|
|
$this->user->reset();
|
|
}
|
|
|
|
|
|
/**
|
|
* Do server side actions on logout
|
|
*/
|
|
public function logout_actions()
|
|
{
|
|
$config = $this->config->all();
|
|
|
|
// on logout action we're not connected to imap server
|
|
if (($config['logout_purge'] && !empty($config['trash_mbox'])) || $config['logout_expunge']) {
|
|
if (!$this->authenticate_session())
|
|
return;
|
|
|
|
$this->imap_init(true);
|
|
}
|
|
|
|
if ($config['logout_purge'] && !empty($config['trash_mbox'])) {
|
|
$this->imap->clear_mailbox($config['trash_mbox']);
|
|
}
|
|
|
|
if ($config['logout_expunge']) {
|
|
$this->imap->expunge('INBOX');
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Function to be executed in script shutdown
|
|
* Registered with register_shutdown_function()
|
|
*/
|
|
public function shutdown()
|
|
{
|
|
if (is_object($this->imap)) {
|
|
$this->imap->close();
|
|
$this->imap->write_cache();
|
|
}
|
|
|
|
if (is_object($this->contacts))
|
|
$this->contacts->close();
|
|
|
|
// before closing the database connection, write session data
|
|
if ($_SERVER['REMOTE_ADDR'])
|
|
session_write_close();
|
|
}
|
|
|
|
|
|
/**
|
|
* Create unique authorization hash
|
|
*
|
|
* @param string Session ID
|
|
* @param int Timestamp
|
|
* @return string The generated auth hash
|
|
*/
|
|
private function get_auth_hash($sess_id, $ts)
|
|
{
|
|
$auth_string = sprintf('rcmail*sess%sR%s*Chk:%s;%s',
|
|
$sess_id,
|
|
$ts,
|
|
$this->config->get('ip_check') ? $_SERVER['REMOTE_ADDR'] : '***.***.***.***',
|
|
$_SERVER['HTTP_USER_AGENT']);
|
|
|
|
if (function_exists('sha1'))
|
|
return sha1($auth_string);
|
|
else
|
|
return md5($auth_string);
|
|
}
|
|
|
|
/**
|
|
* Encrypt IMAP password using DES encryption
|
|
*
|
|
* @param string Password to encrypt
|
|
* @return string Encryprted string
|
|
*/
|
|
public function encrypt_passwd($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, $this->config->get_des_key(), $iv);
|
|
$cypher = mcrypt_generic($td, $pass);
|
|
mcrypt_generic_deinit($td);
|
|
mcrypt_module_close($td);
|
|
}
|
|
else if (function_exists('des')) {
|
|
$cypher = des($this->config->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
|
|
*/
|
|
public 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, $this->config->get_des_key(), $iv);
|
|
$pass = mdecrypt_generic($td, base64_decode($cypher));
|
|
mcrypt_generic_deinit($td);
|
|
mcrypt_module_close($td);
|
|
}
|
|
else if (function_exists('des')) {
|
|
$pass = des($this->config->get_des_key(), base64_decode($cypher), 0, 0, NULL);
|
|
}
|
|
else {
|
|
$pass = base64_decode($cypher);
|
|
}
|
|
|
|
return preg_replace('/\x00/', '', $pass);
|
|
}
|
|
|
|
|
|
/**
|
|
* Build a valid URL to this instance of RoundCube
|
|
*
|
|
* @param mixed Either a string with the action or url parameters as key-value pairs
|
|
* @return string Valid application URL
|
|
*/
|
|
public function url($p)
|
|
{
|
|
if (!is_array($p))
|
|
$p = array('_action' => @func_get_arg(0));
|
|
|
|
if (!$p['task'] || !in_array($p['task'], rcmail::$main_tasks))
|
|
$p['task'] = $this->task;
|
|
|
|
$p['_task'] = $p['task'];
|
|
unset($p['task']);
|
|
|
|
$url = './';
|
|
$delm = '?';
|
|
foreach (array_reverse($p) as $par => $val)
|
|
{
|
|
if (!empty($val)) {
|
|
$url .= $delm.urlencode($par).'='.urlencode($val);
|
|
$delm = '&';
|
|
}
|
|
}
|
|
return $url;
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper method to set a cookie with the current path and host settings
|
|
*
|
|
* @param string Cookie name
|
|
* @param string Cookie value
|
|
* @param string Expiration time
|
|
*/
|
|
public static function setcookie($name, $value, $exp = 0)
|
|
{
|
|
$cookie = session_get_cookie_params();
|
|
setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'],
|
|
($_SERVER['HTTPS'] && ($_SERVER['HTTPS'] != 'off')));
|
|
}
|
|
}
|
|
|
|
|