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1305 lines
36 KiB
PHP
1305 lines
36 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) 2008-2010, 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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$Id$
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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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/**
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* Main tasks.
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*
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* @var array
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*/
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static public $main_tasks = array('mail','settings','addressbook','login','logout','utils','dummy');
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/**
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* Singleton instace of rcmail
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*
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* @var rcmail
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*/
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static private $instance;
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/**
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* Stores instance of rcube_config.
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*
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* @var rcube_config
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*/
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public $config;
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/**
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* Stores rcube_user instance.
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*
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* @var rcube_user
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*/
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public $user;
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/**
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* Instace of database class.
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*
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* @var rcube_mdb2
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*/
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public $db;
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/**
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* Instace of rcube_session class.
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*
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* @var rcube_session
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*/
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public $session;
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/**
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* Instance of rcube_smtp class.
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*
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* @var rcube_smtp
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*/
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public $smtp;
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/**
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* Instance of rcube_imap class.
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*
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* @var rcube_imap
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*/
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public $imap;
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/**
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* Instance of rcube_template class.
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*
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* @var rcube_template
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*/
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public $output;
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/**
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* Instance of rcube_plugin_api.
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*
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* @var rcube_plugin_api
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*/
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public $plugins;
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/**
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* Current task.
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*
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* @var string
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*/
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public $task;
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/**
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* Current action.
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*
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* @var string
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*/
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public $action = '';
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public $comm_path = './';
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private $texts;
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private $books = array();
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/**
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* This implements the 'singleton' design pattern
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*
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* @return rcmail The one and only instance
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*/
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static function get_instance()
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{
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if (!self::$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, $USER
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*/
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private function startup()
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{
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// initialize syslog
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if ($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, $syslog_facility);
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}
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// connect to database
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$GLOBALS['DB'] = $this->get_dbh();
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// start session
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$this->session_init();
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// create user object
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$this->set_user(new rcube_user($_SESSION['user_id']));
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// configure session (after user config merge!)
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$this->session_configure();
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// set task and action properties
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$this->set_task(get_input_value('_task', RCUBE_INPUT_GPC));
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$this->action = asciiwords(get_input_value('_action', RCUBE_INPUT_GPC));
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// reset some session parameters when changing task
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if ($this->task != 'utils') {
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if ($this->session && $_SESSION['task'] != $this->task)
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$this->session->remove('page');
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// set current task to session
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$_SESSION['task'] = $this->task;
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}
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// init output class
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if (!empty($_REQUEST['_remote']))
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$GLOBALS['OUTPUT'] = $this->json_init();
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else
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$GLOBALS['OUTPUT'] = $this->load_gui(!empty($_REQUEST['_framed']));
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// create plugin API and load plugins
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$this->plugins = rcube_plugin_api::get_instance();
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// init plugins
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$this->plugins->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($task)
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{
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$task = asciiwords($task);
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if ($this->user && $this->user->ID)
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$task = !$task || $task == 'login' ? 'mail' : $task;
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else
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$task = 'login';
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$this->task = $task;
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$this->comm_path = $this->url(array('task' => $this->task));
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if ($this->output)
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$this->output->set_env('task', $this->task);
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}
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/**
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* Setter for system user object
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*
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* @param rcube_user Current user instance
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*/
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public function set_user($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->set_user_prefs((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 $lang;
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}
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/**
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* Get the current database connection
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*
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* @return rcube_mdb2 Database connection object
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*/
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public function get_dbh()
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{
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if (!$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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}
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return $this->db;
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}
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/**
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* Return instance of the internal address book class
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*
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* @param string Address book identifier
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* @param boolean True if the address book needs to be writeable
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* @return rcube_contacts Address book object
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*/
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public function get_address_book($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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$plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable));
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// plugin returned instance of a rcube_addressbook
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if ($plugin['instance'] instanceof rcube_addressbook) {
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$contacts = $plugin['instance'];
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}
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else if ($id && $ldap_config[$id]) {
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$contacts = new rcube_ldap($ldap_config[$id], $this->config->get('ldap_debug'), $this->config->mail_domain($_SESSION['imap_host']));
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}
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else if ($id === '0') {
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$contacts = new rcube_contacts($this->db, $this->user->ID);
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}
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else if ($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, $this->config->get('ldap_debug'), $this->config->mail_domain($_SESSION['imap_host']));
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break;
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}
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}
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}
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else { // $id == 'sql'
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$contacts = new rcube_contacts($this->db, $this->user->ID);
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}
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// add to the 'books' array for shutdown function
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if (!in_array($contacts, $this->books))
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$this->books[] = $contacts;
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return $contacts;
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}
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/**
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* Return address books list
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*
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* @param boolean True if the address book needs to be writeable
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* @return array Address books array
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*/
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public function get_address_sources($writeable = false)
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{
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$abook_type = strtolower($this->config->get('address_book_type'));
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$ldap_config = $this->config->get('ldap_public');
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$autocomplete = (array) $this->config->get('autocomplete_addressbooks');
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$list = array();
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// We are using the DB address book
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if ($abook_type != 'ldap') {
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$contacts = new rcube_contacts($this->db, null);
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$list['0'] = array(
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'id' => 0,
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'name' => rcube_label('personaladrbook'),
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'groups' => $contacts->groups,
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'readonly' => false,
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'autocomplete' => in_array('sql', $autocomplete)
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);
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}
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if ($ldap_config) {
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$ldap_config = (array) $ldap_config;
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foreach ($ldap_config as $id => $prop)
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$list[$id] = array(
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'id' => $id,
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'name' => $prop['name'],
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'groups' => false,
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'readonly' => !$prop['writable'],
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'autocomplete' => in_array('sql', $autocomplete)
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);
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}
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$plugin = $this->plugins->exec_hook('addressbooks_list', array('sources' => $list));
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$list = $plugin['sources'];
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if ($writeable && !empty($list)) {
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foreach ($list as $idx => $item) {
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if ($item['readonly']) {
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unset($list[$idx]);
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}
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}
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}
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return $list;
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}
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/**
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* Init output object for GUI and add common scripts.
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* This will instantiate a rcmail_template object and set
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* environment vars according to the current session and configuration
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*
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* @param boolean True if this request is loaded in a (i)frame
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* @return rcube_template Reference to HTML output object
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*/
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public function load_gui($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, $framed);
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// set keep-alive/check-recent interval
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if ($this->session && ($keep_alive = $this->session->get_keep_alive())) {
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$this->output->set_env('keep_alive', $keep_alive);
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}
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if ($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(RCMAIL_CHARSET);
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// add some basic label to client
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$this->output->add_label('loading', 'servererror');
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return $this->output;
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}
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/**
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* Create an output object for JSON responses
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*
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* @return rcube_json_output Reference to JSON output object
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*/
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public function json_init()
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{
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if (!($this->output instanceof rcube_json_output))
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$this->output = new rcube_json_output($this->task);
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return $this->output;
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}
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/**
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* Create SMTP object and connect to server
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*
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* @param boolean True if connection should be established
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*/
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public function smtp_init($connect = false)
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{
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$this->smtp = new rcube_smtp();
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if ($connect)
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$this->smtp->connect();
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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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// already initialized
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if (is_object($this->imap))
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return;
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$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($this->config->get('pagesize', 50));
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|
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// Setting root and delimiter before establishing the connection
|
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// can save time detecting them using NAMESPACE and LIST
|
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$options = array(
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'auth_method' => $this->config->get('imap_auth_type', 'check'),
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'auth_cid' => $this->config->get('imap_auth_cid'),
|
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'auth_pw' => $this->config->get('imap_auth_pw'),
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'debug_mode' => (bool) $this->config->get('imap_debug', 0),
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'force_caps' => (bool) $this->config->get('imap_force_caps'),
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'timeout' => (int) $this->config->get('imap_timeout', 0),
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);
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$this->imap->set_options($options);
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// set global object for backward compatibility
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$GLOBALS['IMAP'] = $this->imap;
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$hook = $this->plugins->exec_hook('imap_init', array('fetch_headers' => $this->imap->fetch_add_headers));
|
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if ($hook['fetch_headers'])
|
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$this->imap->fetch_add_headers = $hook['fetch_headers'];
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|
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// support this parameter for backward compatibility but log warning
|
|
if ($connect) {
|
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$this->imap_connect();
|
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raise_error(array(
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'code' => 800, 'type' => 'imap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "rcube::imap_init(true) is deprecated, use rcube::imap_connect() instead"),
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true, false);
|
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}
|
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}
|
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|
|
|
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/**
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* Connect to IMAP server with stored session data
|
|
*
|
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* @return bool True on success, false on error
|
|
*/
|
|
public function imap_connect()
|
|
{
|
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if (!$this->imap)
|
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$this->imap_init();
|
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|
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if ($_SESSION['imap_host'] && !$this->imap->conn->connected()) {
|
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if (!$this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt($_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->get_error_code() == -1 ? 'imaperror' : 'sessionerror', 'error');
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}
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else {
|
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$this->set_imap_prop();
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return $this->imap->conn;
|
|
}
|
|
}
|
|
|
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return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create session object and start the session.
|
|
*/
|
|
public function session_init()
|
|
{
|
|
// session started (Installer?)
|
|
if (session_id())
|
|
return;
|
|
|
|
$lifetime = $this->config->get('session_lifetime', 0) * 60;
|
|
|
|
// set session domain
|
|
if ($domain = $this->config->get('session_domain')) {
|
|
ini_set('session.cookie_domain', $domain);
|
|
}
|
|
// set session garbage collecting time according to session_lifetime
|
|
if ($lifetime) {
|
|
ini_set('session.gc_maxlifetime', $lifetime * 2);
|
|
}
|
|
|
|
ini_set('session.cookie_secure', rcube_https_check());
|
|
ini_set('session.name', 'roundcube_sessid');
|
|
ini_set('session.use_cookies', 1);
|
|
ini_set('session.use_only_cookies', 1);
|
|
ini_set('session.serialize_handler', 'php');
|
|
|
|
// use database for storing session data
|
|
$this->session = new rcube_session($this->get_dbh(), $lifetime);
|
|
|
|
$this->session->register_gc_handler('rcmail_temp_gc');
|
|
if ($this->config->get('enable_caching'))
|
|
$this->session->register_gc_handler('rcmail_cache_gc');
|
|
|
|
// start PHP session (if not in CLI mode)
|
|
if ($_SERVER['REMOTE_ADDR'])
|
|
session_start();
|
|
|
|
// set initial session vars
|
|
if (!isset($_SESSION['auth_time'])) {
|
|
$_SESSION['auth_time'] = time();
|
|
$_SESSION['temp'] = true;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Configure session object internals
|
|
*/
|
|
public function session_configure()
|
|
{
|
|
if (!$this->session)
|
|
return;
|
|
|
|
$lifetime = $this->config->get('session_lifetime', 0) * 60;
|
|
|
|
// set keep-alive/check-recent interval
|
|
if ($keep_alive = $this->config->get('keep_alive')) {
|
|
// be sure that it's less than session lifetime
|
|
if ($lifetime)
|
|
$keep_alive = min($keep_alive, $lifetime - 30);
|
|
$keep_alive = max(60, $keep_alive);
|
|
$this->session->set_keep_alive($keep_alive);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Perfom login to the IMAP server and to the webmail service.
|
|
* This will also create a new user entry if auto_create_user is configured.
|
|
*
|
|
* @param string IMAP user name
|
|
* @param string IMAP password
|
|
* @param string IMAP host
|
|
* @return boolean True on success, False on failure
|
|
*/
|
|
function login($username, $pass, $host=NULL)
|
|
{
|
|
$user = NULL;
|
|
$config = $this->config->all();
|
|
|
|
if (!$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']) && $host != rcube_parse_host($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'))) ? $a_host['scheme'] : null;
|
|
if (!empty($a_host['port']))
|
|
$imap_port = $a_host['port'];
|
|
else if ($imap_ssl && $imap_ssl != 'tls' && (!$config['default_port'] || $config['default_port'] == 143))
|
|
$imap_port = 993;
|
|
}
|
|
|
|
$imap_port = $imap_port ? $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($username, '@') === false) {
|
|
if (is_array($config['username_domain']) && isset($config['username_domain'][$host]))
|
|
$username .= '@'.rcube_parse_host($config['username_domain'][$host]);
|
|
else if (is_string($config['username_domain']))
|
|
$username .= '@'.rcube_parse_host($config['username_domain']);
|
|
}
|
|
|
|
// try to resolve email address from virtuser table
|
|
if (strpos($username, '@'))
|
|
if ($virtuser = rcube_user::email2user($username))
|
|
$username = $virtuser;
|
|
|
|
// Here we need IDNA ASCII
|
|
// Only rcube_contacts class is using domain names in Unicode
|
|
$host = idn_to_ascii($host);
|
|
if (strpos($username, '@')) {
|
|
// lowercase domain name
|
|
list($local, $domain) = explode('@', $username);
|
|
$username = $local . '@' . mb_strtolower($domain);
|
|
$username = idn_to_ascii($username);
|
|
}
|
|
|
|
// user already registered -> overwrite username
|
|
if ($user = rcube_user::query($username, $host))
|
|
$username = $user->data['username'];
|
|
|
|
if (!$this->imap)
|
|
$this->imap_init();
|
|
|
|
// try IMAP login
|
|
if (!($imap_login = $this->imap->connect($host, $username, $pass, $imap_port, $imap_ssl))) {
|
|
// try with lowercase
|
|
$username_lc = mb_strtolower($username);
|
|
if ($username_lc != $username && ($imap_login = $this->imap->connect($host, $username_lc, $pass, $imap_port, $imap_ssl)))
|
|
$username = $username_lc;
|
|
}
|
|
|
|
// exit if IMAP login failed
|
|
if (!$imap_login)
|
|
return false;
|
|
|
|
$this->set_imap_prop();
|
|
|
|
// user already registered -> update user's record
|
|
if (is_object($user)) {
|
|
// create default folders on first login
|
|
if (!$user->data['last_login'] && $config['create_default_folders'])
|
|
$this->imap->create_default_folders();
|
|
$user->touch();
|
|
}
|
|
// create new system user
|
|
else if ($config['auto_create_user']) {
|
|
if ($created = rcube_user::create($username, $host)) {
|
|
$user = $created;
|
|
// create default folders on first login
|
|
if ($config['create_default_folders'])
|
|
$this->imap->create_default_folders();
|
|
}
|
|
else {
|
|
raise_error(array(
|
|
'code' => 600, 'type' => 'php',
|
|
'file' => __FILE__, 'line' => __LINE__,
|
|
'message' => "Failed to create a user record. Maybe aborted by a plugin?"
|
|
), true, false);
|
|
}
|
|
}
|
|
else {
|
|
raise_error(array(
|
|
'code' => 600, 'type' => 'php',
|
|
'file' => __FILE__, 'line' => __LINE__,
|
|
'message' => "Acces denied for new user $username. 'auto_create_user' is disabled"
|
|
), true, false);
|
|
}
|
|
|
|
// login succeeded
|
|
if (is_object($user) && $user->ID) {
|
|
$this->set_user($user);
|
|
|
|
// set session vars
|
|
$_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['password'] = $this->encrypt($pass);
|
|
$_SESSION['login_time'] = mktime();
|
|
|
|
if (isset($_REQUEST['_timezone']) && $_REQUEST['_timezone'] != '_default_')
|
|
$_SESSION['timezone'] = floatval($_REQUEST['_timezone']);
|
|
|
|
// force reloading complete list of subscribed mailboxes
|
|
$this->imap->clear_cache('mailboxes');
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Set root dir and last stored mailbox
|
|
* This must be done AFTER connecting to the server!
|
|
*/
|
|
public function set_imap_prop()
|
|
{
|
|
$this->imap->set_charset($this->config->get('default_charset', RCMAIL_CHARSET));
|
|
|
|
if ($default_folders = $this->config->get('default_imap_folders')) {
|
|
$this->imap->set_default_mailboxes($default_folders);
|
|
}
|
|
if (!empty($_SESSION['mbox'])) {
|
|
$this->imap->set_mailbox($_SESSION['mbox']);
|
|
}
|
|
if (isset($_SESSION['page'])) {
|
|
$this->imap->set_page($_SESSION['page']);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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
|
|
$host = rcube_parse_host($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, $domain=null)
|
|
{
|
|
// load localization files if not done yet
|
|
if (empty($this->texts))
|
|
$this->load_language();
|
|
|
|
// extract attributes
|
|
if (is_string($attrib))
|
|
$attrib = array('name' => $attrib);
|
|
|
|
$nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1;
|
|
$name = $attrib['name'] ? $attrib['name'] : '';
|
|
|
|
// check for text with domain
|
|
if ($domain && ($text_item = $this->texts[$domain.'.'.$name]))
|
|
;
|
|
// text does not exist
|
|
else if (!($text_item = $this->texts[$name])) {
|
|
return "[$name]";
|
|
}
|
|
|
|
// 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)
|
|
$text = str_replace($var_key[0]!='$' ? '$'.$var_key : $var_key, $var_value, $text);
|
|
}
|
|
|
|
// format output
|
|
if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst'])
|
|
return ucfirst($text);
|
|
else if ($attrib['uppercase'])
|
|
return mb_strtoupper($text);
|
|
else if ($attrib['lowercase'])
|
|
return mb_strtolower($text);
|
|
|
|
return $text;
|
|
}
|
|
|
|
|
|
/**
|
|
* Load a localization package
|
|
*
|
|
* @param string Language ID
|
|
*/
|
|
public function load_language($lang = null, $add = array())
|
|
{
|
|
$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'] = $lang;
|
|
}
|
|
|
|
// append additional texts (from plugin)
|
|
if (is_array($add) && !empty($add))
|
|
$this->texts += $add;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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] = $label;
|
|
}
|
|
closedir($dh);
|
|
}
|
|
}
|
|
|
|
return $sa_languages;
|
|
}
|
|
|
|
|
|
/**
|
|
* Check the auth hash sent by the client against the local session credentials
|
|
*
|
|
* @return boolean True if valid, False if not
|
|
*/
|
|
function authenticate_session()
|
|
{
|
|
// advanced session authentication
|
|
if ($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'] == $this->session->get_ip() : true;
|
|
}
|
|
|
|
// check session filetime
|
|
$lifetime = $this->config->get('session_lifetime');
|
|
$sess_ts = $this->session->get_ts();
|
|
if (!empty($lifetime) && !empty($sess_ts) && $sess_ts + $lifetime*60 < time()) {
|
|
$valid = false;
|
|
}
|
|
|
|
return $valid;
|
|
}
|
|
|
|
|
|
/**
|
|
* Destroy session data and remove cookie
|
|
*/
|
|
public function kill_session()
|
|
{
|
|
$this->plugins->exec_hook('session_destroy');
|
|
|
|
$this->session->remove();
|
|
$_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;
|
|
|
|
$this->imap_connect();
|
|
}
|
|
|
|
if ($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))
|
|
$this->imap->close();
|
|
|
|
if (is_object($this->smtp))
|
|
$this->smtp->disconnect();
|
|
|
|
foreach ($this->books as $book)
|
|
if (is_object($book))
|
|
$book->close();
|
|
|
|
// before closing the database connection, write session data
|
|
if ($_SERVER['REMOTE_ADDR'])
|
|
session_write_close();
|
|
|
|
// write performance stats to logs/console
|
|
if ($this->config->get('devel_mode')) {
|
|
if (function_exists('memory_get_usage'))
|
|
$mem = show_bytes(memory_get_usage());
|
|
if (function_exists('memory_get_peak_usage'))
|
|
$mem .= '/'.show_bytes(memory_get_peak_usage());
|
|
|
|
$log = $this->task . ($this->action ? '/'.$this->action : '') . ($mem ? " [$mem]" : '');
|
|
if (defined('RCMAIL_START'))
|
|
rcube_print_time(RCMAIL_START, $log);
|
|
else
|
|
console($log);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Generate a unique token to be used in a form request
|
|
*
|
|
* @return string The request token
|
|
*/
|
|
public function get_request_token()
|
|
{
|
|
$key = $this->task;
|
|
|
|
if (!$_SESSION['request_tokens'][$key])
|
|
$_SESSION['request_tokens'][$key] = md5(uniqid($key . mt_rand(), true));
|
|
|
|
return $_SESSION['request_tokens'][$key];
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if the current request contains a valid token
|
|
*
|
|
* @param int Request method
|
|
* @return boolean True if request token is valid false if not
|
|
*/
|
|
public function check_request($mode = RCUBE_INPUT_POST)
|
|
{
|
|
$token = get_input_value('_token', $mode);
|
|
return !empty($token) && $_SESSION['request_tokens'][$this->task] == $token;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create unique authorization hash
|
|
*
|
|
* @param string Session ID
|
|
* @param int Timestamp
|
|
* @return string The generated auth hash
|
|
*/
|
|
private function get_auth_hash($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 using 3DES
|
|
*
|
|
* @param string $clear clear text input
|
|
* @param string $key encryption key to retrieve from the configuration, defaults to 'des_key'
|
|
* @param boolean $base64 whether or not to base64_encode() the result before returning
|
|
*
|
|
* @return string encrypted text
|
|
*/
|
|
public function encrypt($clear, $key = 'des_key', $base64 = true)
|
|
{
|
|
if (!$clear)
|
|
return '';
|
|
/*-
|
|
* Add a single canary byte to the end of the clear text, which
|
|
* will help find out how much of padding will need to be removed
|
|
* upon decryption; see http://php.net/mcrypt_generic#68082
|
|
*/
|
|
$clear = pack("a*H2", $clear, "80");
|
|
|
|
if (function_exists('mcrypt_module_open') &&
|
|
($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_CBC, "")))
|
|
{
|
|
$iv = $this->create_iv(mcrypt_enc_get_iv_size($td));
|
|
mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv);
|
|
$cipher = $iv . mcrypt_generic($td, $clear);
|
|
mcrypt_generic_deinit($td);
|
|
mcrypt_module_close($td);
|
|
}
|
|
else {
|
|
@include_once('lib/des.inc');
|
|
|
|
if (function_exists('des')) {
|
|
$des_iv_size = 8;
|
|
$iv = $this->create_iv($des_iv_size);
|
|
$cipher = $iv . des($this->config->get_crypto_key($key), $clear, 1, 1, $iv);
|
|
}
|
|
else {
|
|
raise_error(array(
|
|
'code' => 500, 'type' => 'php',
|
|
'file' => __FILE__, 'line' => __LINE__,
|
|
'message' => "Could not perform encryption; make sure Mcrypt is installed or lib/des.inc is available"
|
|
), true, true);
|
|
}
|
|
}
|
|
|
|
return $base64 ? base64_encode($cipher) : $cipher;
|
|
}
|
|
|
|
/**
|
|
* Decrypt 3DES-encrypted string
|
|
*
|
|
* @param string $cipher encrypted text
|
|
* @param string $key encryption key to retrieve from the configuration, defaults to 'des_key'
|
|
* @param boolean $base64 whether or not input is base64-encoded
|
|
*
|
|
* @return string decrypted text
|
|
*/
|
|
public function decrypt($cipher, $key = 'des_key', $base64 = true)
|
|
{
|
|
if (!$cipher)
|
|
return '';
|
|
|
|
$cipher = $base64 ? base64_decode($cipher) : $cipher;
|
|
|
|
if (function_exists('mcrypt_module_open') &&
|
|
($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_CBC, "")))
|
|
{
|
|
$iv = substr($cipher, 0, mcrypt_enc_get_iv_size($td));
|
|
$cipher = substr($cipher, mcrypt_enc_get_iv_size($td));
|
|
mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv);
|
|
$clear = mdecrypt_generic($td, $cipher);
|
|
mcrypt_generic_deinit($td);
|
|
mcrypt_module_close($td);
|
|
}
|
|
else {
|
|
@include_once('lib/des.inc');
|
|
|
|
if (function_exists('des')) {
|
|
$des_iv_size = 8;
|
|
$iv = substr($cipher, 0, $des_iv_size);
|
|
$cipher = substr($cipher, $des_iv_size);
|
|
$clear = des($this->config->get_crypto_key($key), $cipher, 0, 1, $iv);
|
|
}
|
|
else {
|
|
raise_error(array(
|
|
'code' => 500, 'type' => 'php',
|
|
'file' => __FILE__, 'line' => __LINE__,
|
|
'message' => "Could not perform decryption; make sure Mcrypt is installed or lib/des.inc is available"
|
|
), true, true);
|
|
}
|
|
}
|
|
|
|
/*-
|
|
* Trim PHP's padding and the canary byte; see note in
|
|
* rcmail::encrypt() and http://php.net/mcrypt_generic#68082
|
|
*/
|
|
$clear = substr(rtrim($clear, "\0"), 0, -1);
|
|
|
|
return $clear;
|
|
}
|
|
|
|
/**
|
|
* Generates encryption initialization vector (IV)
|
|
*
|
|
* @param int Vector size
|
|
* @return string Vector string
|
|
*/
|
|
private function create_iv($size)
|
|
{
|
|
// mcrypt_create_iv() can be slow when system lacks entrophy
|
|
// we'll generate IV vector manually
|
|
$iv = '';
|
|
for ($i = 0; $i < $size; $i++)
|
|
$iv .= chr(mt_rand(0, 255));
|
|
return $iv;
|
|
}
|
|
|
|
/**
|
|
* Build a valid URL to this instance of Roundcube
|
|
*
|
|
* @param mixed Either a string with the action or url parameters as key-value pairs
|
|
* @return string Valid application URL
|
|
*/
|
|
public function url($p)
|
|
{
|
|
if (!is_array($p))
|
|
$p = array('_action' => @func_get_arg(0));
|
|
|
|
$task = $p['_task'] ? $p['_task'] : ($p['task'] ? $p['task'] : $this->task);
|
|
$p['_task'] = $task;
|
|
unset($p['task']);
|
|
|
|
$url = './';
|
|
$delm = '?';
|
|
foreach (array_reverse($p) as $key => $val)
|
|
{
|
|
if (!empty($val)) {
|
|
$par = $key[0] == '_' ? $key : '_'.$key;
|
|
$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)
|
|
{
|
|
if (headers_sent())
|
|
return;
|
|
|
|
$cookie = session_get_cookie_params();
|
|
|
|
setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'],
|
|
rcube_https_check(), true);
|
|
}
|
|
}
|
|
|
|
|