+++ /dev/null
-<?php
-
-/*
- +-----------------------------------------------------------------------+
- | program/include/rcmail.php |
- | |
- | This file is part of the Roundcube Webmail client |
- | Copyright (C) 2008-2011, The Roundcube Dev Team |
- | Copyright (C) 2011, Kolab Systems AG |
- | Licensed under the GNU GPL |
- | |
- | PURPOSE: |
- | Application class providing core functions and holding |
- | instances of all 'global' objects like db- and imap-connections |
- +-----------------------------------------------------------------------+
- | Author: Thomas Bruederli <roundcube@gmail.com> |
- +-----------------------------------------------------------------------+
-
- $Id: rcmail.php 5527 2011-12-02 09:58:03Z alec $
-
-*/
-
-
-/**
- * Application class of Roundcube Webmail
- * implemented as singleton
- *
- * @package Core
- */
-class rcmail
-{
- /**
- * Main tasks.
- *
- * @var array
- */
- static public $main_tasks = array('mail','settings','addressbook','login','logout','utils','dummy');
-
- /**
- * Singleton instace of rcmail
- *
- * @var rcmail
- */
- static private $instance;
-
- /**
- * Stores instance of rcube_config.
- *
- * @var rcube_config
- */
- public $config;
-
- /**
- * Stores rcube_user instance.
- *
- * @var rcube_user
- */
- public $user;
-
- /**
- * Instace of database class.
- *
- * @var rcube_mdb2
- */
- public $db;
-
- /**
- * Instace of Memcache class.
- *
- * @var rcube_mdb2
- */
- public $memcache;
-
- /**
- * Instace of rcube_session class.
- *
- * @var rcube_session
- */
- public $session;
-
- /**
- * Instance of rcube_smtp class.
- *
- * @var rcube_smtp
- */
- public $smtp;
-
- /**
- * Instance of rcube_imap class.
- *
- * @var rcube_imap
- */
- public $imap;
-
- /**
- * Instance of rcube_template class.
- *
- * @var rcube_template
- */
- public $output;
-
- /**
- * Instance of rcube_plugin_api.
- *
- * @var rcube_plugin_api
- */
- public $plugins;
-
- /**
- * Current task.
- *
- * @var string
- */
- public $task;
-
- /**
- * Current action.
- *
- * @var string
- */
- public $action = '';
- public $comm_path = './';
-
- private $texts;
- private $address_books = array();
- private $caches = array();
- private $action_map = array();
- private $shutdown_functions = array();
-
-
- /**
- * This implements the 'singleton' design pattern
- *
- * @return rcmail The one and only instance
- */
- static function get_instance()
- {
- if (!self::$instance) {
- self::$instance = new rcmail();
- self::$instance->startup(); // init AFTER object was linked with self::$instance
- }
-
- return self::$instance;
- }
-
-
- /**
- * Private constructor
- */
- private function __construct()
- {
- // load configuration
- $this->config = new rcube_config();
-
- register_shutdown_function(array($this, 'shutdown'));
- }
-
-
- /**
- * Initial startup function
- * to register session, create database and imap connections
- *
- * @todo Remove global vars $DB, $USER
- */
- private function startup()
- {
- // initialize syslog
- if ($this->config->get('log_driver') == 'syslog') {
- $syslog_id = $this->config->get('syslog_id', 'roundcube');
- $syslog_facility = $this->config->get('syslog_facility', LOG_USER);
- openlog($syslog_id, LOG_ODELAY, $syslog_facility);
- }
-
- // connect to database
- $GLOBALS['DB'] = $this->get_dbh();
-
- // start session
- $this->session_init();
-
- // create user object
- $this->set_user(new rcube_user($_SESSION['user_id']));
-
- // configure session (after user config merge!)
- $this->session_configure();
-
- // set task and action properties
- $this->set_task(get_input_value('_task', RCUBE_INPUT_GPC));
- $this->action = asciiwords(get_input_value('_action', RCUBE_INPUT_GPC));
-
- // reset some session parameters when changing task
- if ($this->task != 'utils') {
- if ($this->session && $_SESSION['task'] != $this->task)
- $this->session->remove('page');
- // set current task to session
- $_SESSION['task'] = $this->task;
- }
-
- // init output class
- if (!empty($_REQUEST['_remote']))
- $GLOBALS['OUTPUT'] = $this->json_init();
- else
- $GLOBALS['OUTPUT'] = $this->load_gui(!empty($_REQUEST['_framed']));
-
- // create plugin API and load plugins
- $this->plugins = rcube_plugin_api::get_instance();
-
- // init plugins
- $this->plugins->init();
- }
-
-
- /**
- * Setter for application task
- *
- * @param string Task to set
- */
- public function set_task($task)
- {
- $task = asciiwords($task);
-
- if ($this->user && $this->user->ID)
- $task = !$task ? 'mail' : $task;
- else
- $task = 'login';
-
- $this->task = $task;
- $this->comm_path = $this->url(array('task' => $this->task));
-
- if ($this->output)
- $this->output->set_env('task', $this->task);
- }
-
-
- /**
- * Setter for system user object
- *
- * @param rcube_user Current user instance
- */
- public function set_user($user)
- {
- if (is_object($user)) {
- $this->user = $user;
- $GLOBALS['USER'] = $this->user;
-
- // overwrite config with user preferences
- $this->config->set_user_prefs((array)$this->user->get_prefs());
- }
-
- $_SESSION['language'] = $this->user->language = $this->language_prop($this->config->get('language', $_SESSION['language']));
-
- // set localization
- setlocale(LC_ALL, $_SESSION['language'] . '.utf8', 'en_US.utf8');
-
- // workaround for http://bugs.php.net/bug.php?id=18556
- if (in_array($_SESSION['language'], array('tr_TR', 'ku', 'az_AZ')))
- setlocale(LC_CTYPE, 'en_US' . '.utf8');
- }
-
-
- /**
- * Check the given string and return a valid language code
- *
- * @param string Language code
- * @return string Valid language code
- */
- private function language_prop($lang)
- {
- static $rcube_languages, $rcube_language_aliases;
-
- // user HTTP_ACCEPT_LANGUAGE if no language is specified
- if (empty($lang) || $lang == 'auto') {
- $accept_langs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
- $lang = str_replace('-', '_', $accept_langs[0]);
- }
-
- if (empty($rcube_languages)) {
- @include(INSTALL_PATH . 'program/localization/index.inc');
- }
-
- // check if we have an alias for that language
- if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang])) {
- $lang = $rcube_language_aliases[$lang];
- }
- // try the first two chars
- else if (!isset($rcube_languages[$lang])) {
- $short = substr($lang, 0, 2);
-
- // check if we have an alias for the short language code
- if (!isset($rcube_languages[$short]) && isset($rcube_language_aliases[$short])) {
- $lang = $rcube_language_aliases[$short];
- }
- // expand 'nn' to 'nn_NN'
- else if (!isset($rcube_languages[$short])) {
- $lang = $short.'_'.strtoupper($short);
- }
- }
-
- if (!isset($rcube_languages[$lang]) || !is_dir(INSTALL_PATH . 'program/localization/' . $lang)) {
- $lang = 'en_US';
- }
-
- return $lang;
- }
-
-
- /**
- * Get the current database connection
- *
- * @return rcube_mdb2 Database connection object
- */
- public function get_dbh()
- {
- if (!$this->db) {
- $config_all = $this->config->all();
-
- $this->db = new rcube_mdb2($config_all['db_dsnw'], $config_all['db_dsnr'], $config_all['db_persistent']);
- $this->db->sqlite_initials = INSTALL_PATH . 'SQL/sqlite.initial.sql';
- $this->db->set_debug((bool)$config_all['sql_debug']);
- }
-
- return $this->db;
- }
-
-
- /**
- * Get global handle for memcache access
- *
- * @return object Memcache
- */
- public function get_memcache()
- {
- if (!isset($this->memcache)) {
- // no memcache support in PHP
- if (!class_exists('Memcache')) {
- $this->memcache = false;
- return false;
- }
-
- $this->memcache = new Memcache;
- $this->mc_available = 0;
-
- // add alll configured hosts to pool
- $pconnect = $this->config->get('memcache_pconnect', true);
- foreach ($this->config->get('memcache_hosts', array()) as $host) {
- list($host, $port) = explode(':', $host);
- if (!$port) $port = 11211;
- $this->mc_available += intval($this->memcache->addServer($host, $port, $pconnect, 1, 1, 15, false, array($this, 'memcache_failure')));
- }
-
- // test connection and failover (will result in $this->mc_available == 0 on complete failure)
- $this->memcache->increment('__CONNECTIONTEST__', 1); // NOP if key doesn't exist
-
- if (!$this->mc_available)
- $this->memcache = false;
- }
-
- return $this->memcache;
- }
-
- /**
- * Callback for memcache failure
- */
- public function memcache_failure($host, $port)
- {
- static $seen = array();
-
- // only report once
- if (!$seen["$host:$port"]++) {
- $this->mc_available--;
- raise_error(array('code' => 604, 'type' => 'db',
- 'line' => __LINE__, 'file' => __FILE__,
- 'message' => "Memcache failure on host $host:$port"),
- true, false);
- }
- }
-
-
- /**
- * Initialize and get cache object
- *
- * @param string $name Cache identifier
- * @param string $type Cache type ('db', 'apc' or 'memcache')
- * @param int $ttl Expiration time for cache items in seconds
- * @param bool $packed Enables/disables data serialization
- *
- * @return rcube_cache Cache object
- */
- public function get_cache($name, $type='db', $ttl=0, $packed=true)
- {
- if (!isset($this->caches[$name])) {
- $this->caches[$name] = new rcube_cache($type, $_SESSION['user_id'], $name, $ttl, $packed);
- }
-
- return $this->caches[$name];
- }
-
-
- /**
- * Return instance of the internal address book class
- *
- * @param string Address book identifier
- * @param boolean True if the address book needs to be writeable
- *
- * @return rcube_contacts Address book object
- */
- public function get_address_book($id, $writeable = false)
- {
- $contacts = null;
- $ldap_config = (array)$this->config->get('ldap_public');
- $abook_type = strtolower($this->config->get('address_book_type'));
-
- // 'sql' is the alias for '0' used by autocomplete
- if ($id == 'sql')
- $id = '0';
-
- // use existing instance
- if (isset($this->address_books[$id]) && is_object($this->address_books[$id])
- && is_a($this->address_books[$id], 'rcube_addressbook')
- && (!$writeable || !$this->address_books[$id]->readonly)
- ) {
- $contacts = $this->address_books[$id];
- }
- else if ($id && $ldap_config[$id]) {
- $contacts = new rcube_ldap($ldap_config[$id], $this->config->get('ldap_debug'), $this->config->mail_domain($_SESSION['imap_host']));
- }
- else if ($id === '0') {
- $contacts = new rcube_contacts($this->db, $this->user->ID);
- }
- else {
- $plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable));
-
- // plugin returned instance of a rcube_addressbook
- if ($plugin['instance'] instanceof rcube_addressbook) {
- $contacts = $plugin['instance'];
- }
- // get first source from the list
- else if (!$id) {
- $source = reset($this->get_address_sources($writeable));
- if (!empty($source)) {
- $contacts = $this->get_address_book($source['id']);
- if ($contacts)
- $id = $source['id'];
- }
- }
- }
-
- if (!$contacts) {
- raise_error(array(
- 'code' => 700, 'type' => 'php',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Addressbook source ($id) not found!"),
- true, true);
- }
-
- // add to the 'books' array for shutdown function
- $this->address_books[$id] = $contacts;
-
- return $contacts;
- }
-
-
- /**
- * Return address books list
- *
- * @param boolean True if the address book needs to be writeable
- *
- * @return array Address books array
- */
- public function get_address_sources($writeable = false)
- {
- $abook_type = strtolower($this->config->get('address_book_type'));
- $ldap_config = $this->config->get('ldap_public');
- $autocomplete = (array) $this->config->get('autocomplete_addressbooks');
- $list = array();
-
- // We are using the DB address book
- if ($abook_type != 'ldap') {
- if (!isset($this->address_books['0']))
- $this->address_books['0'] = new rcube_contacts($this->db, $this->user->ID);
- $list['0'] = array(
- 'id' => '0',
- 'name' => rcube_label('personaladrbook'),
- 'groups' => $this->address_books['0']->groups,
- 'readonly' => $this->address_books['0']->readonly,
- 'autocomplete' => in_array('sql', $autocomplete),
- 'undelete' => $this->address_books['0']->undelete && $this->config->get('undo_timeout'),
- );
- }
-
- if ($ldap_config) {
- $ldap_config = (array) $ldap_config;
- foreach ($ldap_config as $id => $prop)
- $list[$id] = array(
- 'id' => $id,
- 'name' => $prop['name'],
- 'groups' => is_array($prop['groups']),
- 'readonly' => !$prop['writable'],
- 'hidden' => $prop['hidden'],
- 'autocomplete' => in_array($id, $autocomplete)
- );
- }
-
- $plugin = $this->plugins->exec_hook('addressbooks_list', array('sources' => $list));
- $list = $plugin['sources'];
-
- foreach ($list as $idx => $item) {
- // register source for shutdown function
- if (!is_object($this->address_books[$item['id']]))
- $this->address_books[$item['id']] = $item;
- // remove from list if not writeable as requested
- if ($writeable && $item['readonly'])
- unset($list[$idx]);
- }
-
- return $list;
- }
-
-
- /**
- * Init output object for GUI and add common scripts.
- * This will instantiate a rcmail_template object and set
- * environment vars according to the current session and configuration
- *
- * @param boolean True if this request is loaded in a (i)frame
- * @return rcube_template Reference to HTML output object
- */
- public function load_gui($framed = false)
- {
- // init output page
- if (!($this->output instanceof rcube_template))
- $this->output = new rcube_template($this->task, $framed);
-
- // set keep-alive/check-recent interval
- if ($this->session && ($keep_alive = $this->session->get_keep_alive())) {
- $this->output->set_env('keep_alive', $keep_alive);
- }
-
- if ($framed) {
- $this->comm_path .= '&_framed=1';
- $this->output->set_env('framed', true);
- }
-
- $this->output->set_env('task', $this->task);
- $this->output->set_env('action', $this->action);
- $this->output->set_env('comm_path', $this->comm_path);
- $this->output->set_charset(RCMAIL_CHARSET);
-
- // add some basic labels to client
- $this->output->add_label('loading', 'servererror');
-
- return $this->output;
- }
-
-
- /**
- * Create an output object for JSON responses
- *
- * @return rcube_json_output Reference to JSON output object
- */
- public function json_init()
- {
- if (!($this->output instanceof rcube_json_output))
- $this->output = new rcube_json_output($this->task);
-
- return $this->output;
- }
-
-
- /**
- * Create SMTP object and connect to server
- *
- * @param boolean True if connection should be established
- */
- public function smtp_init($connect = false)
- {
- $this->smtp = new rcube_smtp();
-
- if ($connect)
- $this->smtp->connect();
- }
-
-
- /**
- * Create global IMAP object and connect to server
- *
- * @param boolean True if connection should be established
- * @todo Remove global $IMAP
- */
- public function imap_init($connect = false)
- {
- // already initialized
- if (is_object($this->imap))
- return;
-
- $this->imap = new rcube_imap();
- $this->imap->skip_deleted = $this->config->get('skip_deleted');
-
- // enable caching of imap data
- $imap_cache = $this->config->get('imap_cache');
- $messages_cache = $this->config->get('messages_cache');
- // for backward compatybility
- if ($imap_cache === null && $messages_cache === null && $this->config->get('enable_caching')) {
- $imap_cache = 'db';
- $messages_cache = true;
- }
- if ($imap_cache)
- $this->imap->set_caching($imap_cache);
- if ($messages_cache)
- $this->imap->set_messages_caching(true);
-
- // set pagesize from config
- $this->imap->set_pagesize($this->config->get('pagesize', 50));
-
- // Setting root and delimiter before establishing the connection
- // can save time detecting them using NAMESPACE and LIST
- $options = array(
- 'auth_type' => $this->config->get('imap_auth_type', 'check'),
- 'auth_cid' => $this->config->get('imap_auth_cid'),
- 'auth_pw' => $this->config->get('imap_auth_pw'),
- 'debug' => (bool) $this->config->get('imap_debug', 0),
- 'force_caps' => (bool) $this->config->get('imap_force_caps'),
- 'timeout' => (int) $this->config->get('imap_timeout', 0),
- );
-
- $this->imap->set_options($options);
-
- // set global object for backward compatibility
- $GLOBALS['IMAP'] = $this->imap;
-
- $hook = $this->plugins->exec_hook('imap_init', array('fetch_headers' => $this->imap->fetch_add_headers));
- if ($hook['fetch_headers'])
- $this->imap->fetch_add_headers = $hook['fetch_headers'];
-
- // support this parameter for backward compatibility but log warning
- if ($connect) {
- $this->imap_connect();
- raise_error(array(
- 'code' => 800, 'type' => 'imap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "rcube::imap_init(true) is deprecated, use rcube::imap_connect() instead"),
- true, false);
- }
- }
-
-
- /**
- * Connect to IMAP server with stored session data
- *
- * @return bool True on success, false on error
- */
- public function imap_connect()
- {
- if (!$this->imap)
- $this->imap_init();
-
- if ($_SESSION['imap_host'] && !$this->imap->conn->connected()) {
- if (!$this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl'])) {
- if ($this->output)
- $this->output->show_message($this->imap->get_error_code() == -1 ? 'imaperror' : 'sessionerror', 'error');
- }
- else {
- $this->set_imap_prop();
- return $this->imap->conn;
- }
- }
-
- return false;
- }
-
-
- /**
- * Create session object and start the session.
- */
- public function session_init()
- {
- // session started (Installer?)
- if (session_id())
- return;
-
- $sess_name = $this->config->get('session_name');
- $sess_domain = $this->config->get('session_domain');
- $lifetime = $this->config->get('session_lifetime', 0) * 60;
-
- // set session domain
- if ($sess_domain) {
- ini_set('session.cookie_domain', $sess_domain);
- }
- // set session garbage collecting time according to session_lifetime
- if ($lifetime) {
- ini_set('session.gc_maxlifetime', $lifetime * 2);
- }
-
- ini_set('session.cookie_secure', rcube_https_check());
- ini_set('session.name', $sess_name ? $sess_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(), $this->config);
-
- $this->session->register_gc_handler('rcmail_temp_gc');
- if ($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 (!$_SESSION['user_id'])
- $_SESSION['temp'] = true;
- }
-
-
- /**
- * Configure session object internals
- */
- public function session_configure()
- {
- if (!$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);
- }
-
- $this->session->set_secret($this->config->get('des_key') . $_SERVER['HTTP_USER_AGENT']);
- $this->session->set_ip_check($this->config->get('ip_check'));
- }
-
-
- /**
- * 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], $host);
- else if (is_string($config['username_domain']))
- $username .= '@'.rcube_parse_host($config['username_domain'], $host);
- }
-
- // Convert username to lowercase. If IMAP backend
- // is case-insensitive we need to store always the same username (#1487113)
- if ($config['login_lc']) {
- $username = mb_strtolower($username);
- }
-
- // try to resolve email address from virtuser table
- if (strpos($username, '@') && ($virtuser = rcube_user::email2user($username))) {
- $username = $virtuser;
- }
-
- // Here we need IDNA ASCII
- // Only rcube_contacts class is using domain names in Unicode
- $host = rcube_idn_to_ascii($host);
- if (strpos($username, '@')) {
- // lowercase domain name
- list($local, $domain) = explode('@', $username);
- $username = $local . '@' . mb_strtolower($domain);
- $username = rcube_idn_to_ascii($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 != $username) {
- // try to find user record again -> overwrite username
- if (!$user && ($user = rcube_user::query($username_lc, $host)))
- $username_lc = $user->data['username'];
-
- if ($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;
-
- // user already registered -> update user's record
- if (is_object($user)) {
- // update last login timestamp
- $user->touch();
- }
- // create new system user
- else if ($config['auto_create_user']) {
- if ($created = rcube_user::create($username, $host)) {
- $user = $created;
- }
- else {
- raise_error(array(
- 'code' => 620, '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' => 621, 'type' => 'php',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Access denied for new user $username. 'auto_create_user' is disabled"
- ), true, false);
- }
-
- // login succeeded
- if (is_object($user) && $user->ID) {
- // Configure environment
- $this->set_user($user);
- $this->set_imap_prop();
- $this->session_configure();
-
- // fix some old settings according to namespace prefix
- $this->fix_namespace_settings($user);
-
- // create default folders on first login
- if ($config['create_default_folders'] && (!empty($created) || empty($user->data['last_login']))) {
- $this->imap->create_default_folders();
- }
-
- // 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']);
- if (isset($_REQUEST['_dstactive']) && $_REQUEST['_dstactive'] != '_default_')
- $_SESSION['dst_active'] = intval($_REQUEST['_dstactive']);
-
- // force reloading complete list of subscribed mailboxes
- $this->imap->clear_cache('mailboxes', true);
-
- 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 (isset($_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 $attrib Named parameters array or label name
- * @param string $domain Label domain (plugin) name
- *
- * @return string Localized text
- */
- public function gettext($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'] ? $attrib['name'] : '';
-
- // attrib contain text values: use them from now
- if (($setval = $attrib[strtolower($_SESSION['language'])]) || ($setval = $attrib['en_us']))
- $this->texts[$name] = $setval;
-
- // check for text with domain
- if ($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;
- }
-
-
- /**
- * Check if the given text label exists
- *
- * @param string $name Label name
- * @param string $domain Label domain (plugin) name or '*' for all domains
- * @param string $ref_domain Sets domain name if label is found
- *
- * @return boolean True if text exists (either in the current language or in en_US)
- */
- public function text_exists($name, $domain = null, &$ref_domain = null)
- {
- // load localization files if not done yet
- if (empty($this->texts))
- $this->load_language();
-
- if (isset($this->texts[$name])) {
- $ref_domain = '';
- return true;
- }
-
- // any of loaded domains (plugins)
- if ($domain == '*') {
- foreach ($this->plugins->loaded_plugins() as $domain)
- if (isset($this->texts[$domain.'.'.$name])) {
- $ref_domain = $domain;
- return true;
- }
- }
- // specified domain
- else if ($domain) {
- $ref_domain = $domain;
- return isset($this->texts[$domain.'.'.$name]);
- }
-
- return false;
- }
-
- /**
- * 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']) {
- $this->texts = array();
-
- // handle empty lines after closing PHP tag in localization files
- ob_start();
-
- // get english labels (these should be complete)
- @include(INSTALL_PATH . 'program/localization/en_US/labels.inc');
- @include(INSTALL_PATH . 'program/localization/en_US/messages.inc');
-
- if (is_array($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);
- }
-
- ob_end_clean();
-
- $_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;
- }
-
-
- /**
- * Destroy session data and remove cookie
- */
- public function kill_session()
- {
- $this->plugins->exec_hook('session_destroy');
-
- $this->session->kill();
- $_SESSION = array('language' => $this->user->language, 'temp' => true);
- $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->session->check_auth())
- return;
-
- $this->imap_connect();
- }
-
- if ($config['logout_purge'] && !empty($config['trash_mbox'])) {
- $this->imap->clear_mailbox($config['trash_mbox']);
- }
-
- if ($config['logout_expunge']) {
- $this->imap->expunge('INBOX');
- }
-
- // Try to save unsaved user preferences
- if (!empty($_SESSION['preferences'])) {
- $this->user->save_prefs(unserialize($_SESSION['preferences']));
- }
- }
-
-
- /**
- * Function to be executed in script shutdown
- * Registered with register_shutdown_function()
- */
- public function shutdown()
- {
- foreach ($this->shutdown_functions as $function)
- call_user_func($function);
-
- if (is_object($this->smtp))
- $this->smtp->disconnect();
-
- foreach ($this->address_books as $book) {
- if (is_object($book) && is_a($book, 'rcube_addressbook'))
- $book->close();
- }
-
- foreach ($this->caches as $cache) {
- if (is_object($cache))
- $cache->close();
- }
-
- if (is_object($this->imap))
- $this->imap->close();
-
- // before closing the database connection, write session data
- if ($_SERVER['REMOTE_ADDR'] && is_object($this->session)) {
- session_write_close();
- }
-
- // write performance stats to logs/console
- if ($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);
- }
- }
-
-
- /**
- * Registers shutdown function to be executed on shutdown.
- * The functions will be executed before destroying any
- * objects like smtp, imap, session, etc.
- *
- * @param callback Function callback
- */
- public function add_shutdown_function($function)
- {
- $this->shutdown_functions[] = $function;
- }
-
-
- /**
- * Generate a unique token to be used in a form request
- *
- * @return string The request token
- */
- public function get_request_token()
- {
- $sess_id = $_COOKIE[ini_get('session.name')];
- if (!$sess_id) $sess_id = session_id();
- $plugin = $this->plugins->exec_hook('request_token', array('value' => md5('RT' . $this->user->ID . $this->config->get('des_key') . $sess_id)));
- return $plugin['value'];
- }
-
-
- /**
- * Check if the current request contains a valid token
- *
- * @param int Request method
- * @return boolean True if request token is valid false if not
- */
- public function check_request($mode = RCUBE_INPUT_POST)
- {
- $token = get_input_value('_token', $mode);
- $sess_id = $_COOKIE[ini_get('session.name')];
- return !empty($sess_id) && $token == $this->get_request_token();
- }
-
-
- /**
- * Create unique authorization hash
- *
- * @param string Session ID
- * @param int Timestamp
- * @return string The generated auth hash
- */
- private function get_auth_hash($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 '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, "")))
- {
- $iv_size = mcrypt_enc_get_iv_size($td);
- $iv = substr($cipher, 0, $iv_size);
-
- // session corruption? (#1485970)
- if (strlen($iv) < $iv_size)
- return '';
-
- $cipher = substr($cipher, $iv_size);
- mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv);
- $clear = mdecrypt_generic($td, $cipher);
- mcrypt_generic_deinit($td);
- mcrypt_module_close($td);
- }
- else {
- @include_once '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 => $val) {
- if ($val !== '') {
- $par = $key[0] == '_' ? $key : '_'.$key;
- $url .= $delm.urlencode($par).'='.urlencode($val);
- $delm = '&';
- }
- }
- return $url;
- }
-
-
- /**
- * Use imagemagick or GD lib to read image properties
- *
- * @param string Absolute file path
- * @return mixed Hash array with image props like type, width, height or False on error
- */
- public static function imageprops($filepath)
- {
- $rcmail = rcmail::get_instance();
- if ($cmd = $rcmail->config->get('im_identify_path', false)) {
- list(, $type, $size) = explode(' ', strtolower(rcmail::exec($cmd. ' 2>/dev/null {in}', array('in' => $filepath))));
- if ($size)
- list($width, $height) = explode('x', $size);
- }
- else if (function_exists('getimagesize')) {
- $imsize = @getimagesize($filepath);
- $width = $imsize[0];
- $height = $imsize[1];
- $type = preg_replace('!image/!', '', $imsize['mime']);
- }
-
- return $type ? array('type' => $type, 'width' => $width, 'height' => $height) : false;
- }
-
-
- /**
- * Convert an image to a given size and type using imagemagick (ensures input is an image)
- *
- * @param $p['in'] Input filename (mandatory)
- * @param $p['out'] Output filename (mandatory)
- * @param $p['size'] Width x height of resulting image, e.g. "160x60"
- * @param $p['type'] Output file type, e.g. "jpg"
- * @param $p['-opts'] Custom command line options to ImageMagick convert
- * @return Success of convert as true/false
- */
- public static function imageconvert($p)
- {
- $result = false;
- $rcmail = rcmail::get_instance();
- $convert = $rcmail->config->get('im_convert_path', false);
- $identify = $rcmail->config->get('im_identify_path', false);
-
- // imagemagick is required for this
- if (!$convert)
- return false;
-
- if (!(($imagetype = @exif_imagetype($p['in'])) && ($type = image_type_to_extension($imagetype, false))))
- list(, $type) = explode(' ', strtolower(rcmail::exec($identify . ' 2>/dev/null {in}', $p))); # for things like eps
-
- $type = strtr($type, array("jpeg" => "jpg", "tiff" => "tif", "ps" => "eps", "ept" => "eps"));
- $p += array('type' => $type, 'types' => "bmp,eps,gif,jp2,jpg,png,svg,tif", 'quality' => 75);
- $p['-opts'] = array('-resize' => $p['size'].'>') + (array)$p['-opts'];
-
- if (in_array($type, explode(',', $p['types']))) # Valid type?
- $result = rcmail::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace RGB -quality {quality} {-opts} {in} {type}:{out}', $p) === "";
-
- return $result;
- }
-
-
- /**
- * Construct shell command, execute it and return output as string.
- * Keywords {keyword} are replaced with arguments
- *
- * @param $cmd Format string with {keywords} to be replaced
- * @param $values (zero, one or more arrays can be passed)
- * @return output of command. shell errors not detectable
- */
- public static function exec(/* $cmd, $values1 = array(), ... */)
- {
- $args = func_get_args();
- $cmd = array_shift($args);
- $values = $replacements = array();
-
- // merge values into one array
- foreach ($args as $arg)
- $values += (array)$arg;
-
- preg_match_all('/({(-?)([a-z]\w*)})/', $cmd, $matches, PREG_SET_ORDER);
- foreach ($matches as $tags) {
- list(, $tag, $option, $key) = $tags;
- $parts = array();
-
- if ($option) {
- foreach ((array)$values["-$key"] as $key => $value) {
- if ($value === true || $value === false || $value === null)
- $parts[] = $value ? $key : "";
- else foreach ((array)$value as $val)
- $parts[] = "$key " . escapeshellarg($val);
- }
- }
- else {
- foreach ((array)$values[$key] as $value)
- $parts[] = escapeshellarg($value);
- }
-
- $replacements[$tag] = join(" ", $parts);
- }
-
- // use strtr behaviour of going through source string once
- $cmd = strtr($cmd, $replacements);
-
- return (string)shell_exec($cmd);
- }
-
-
- /**
- * 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);
- }
-
- /**
- * Registers action aliases for current task
- *
- * @param array $map Alias-to-filename hash array
- */
- public function register_action_map($map)
- {
- if (is_array($map)) {
- foreach ($map as $idx => $val) {
- $this->action_map[$idx] = $val;
- }
- }
- }
-
- /**
- * Returns current action filename
- *
- * @param array $map Alias-to-filename hash array
- */
- public function get_action_file()
- {
- if (!empty($this->action_map[$this->action])) {
- return $this->action_map[$this->action];
- }
-
- return strtr($this->action, '-', '_') . '.inc';
- }
-
- /**
- * Fixes some user preferences according to namespace handling change.
- * Old Roundcube versions were using folder names with removed namespace prefix.
- * Now we need to add the prefix on servers where personal namespace has prefix.
- *
- * @param rcube_user $user User object
- */
- private function fix_namespace_settings($user)
- {
- $prefix = $this->imap->get_namespace('prefix');
- $prefix_len = strlen($prefix);
-
- if (!$prefix_len)
- return;
-
- $prefs = $this->config->all();
- if (!empty($prefs['namespace_fixed']))
- return;
-
- // Build namespace prefix regexp
- $ns = $this->imap->get_namespace();
- $regexp = array();
-
- foreach ($ns as $entry) {
- if (!empty($entry)) {
- foreach ($entry as $item) {
- if (strlen($item[0])) {
- $regexp[] = preg_quote($item[0], '/');
- }
- }
- }
- }
- $regexp = '/^('. implode('|', $regexp).')/';
-
- // Fix preferences
- $opts = array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox', 'archive_mbox');
- foreach ($opts as $opt) {
- if ($value = $prefs[$opt]) {
- if ($value != 'INBOX' && !preg_match($regexp, $value)) {
- $prefs[$opt] = $prefix.$value;
- }
- }
- }
-
- if (!empty($prefs['default_imap_folders'])) {
- foreach ($prefs['default_imap_folders'] as $idx => $name) {
- if ($name != 'INBOX' && !preg_match($regexp, $name)) {
- $prefs['default_imap_folders'][$idx] = $prefix.$name;
- }
- }
- }
-
- if (!empty($prefs['search_mods'])) {
- $folders = array();
- foreach ($prefs['search_mods'] as $idx => $value) {
- if ($idx != 'INBOX' && $idx != '*' && !preg_match($regexp, $idx)) {
- $idx = $prefix.$idx;
- }
- $folders[$idx] = $value;
- }
- $prefs['search_mods'] = $folders;
- }
-
- if (!empty($prefs['message_threading'])) {
- $folders = array();
- foreach ($prefs['message_threading'] as $idx => $value) {
- if ($idx != 'INBOX' && !preg_match($regexp, $idx)) {
- $idx = $prefix.$idx;
- }
- $folders[$prefix.$idx] = $value;
- }
- $prefs['message_threading'] = $folders;
- }
-
- if (!empty($prefs['collapsed_folders'])) {
- $folders = explode('&&', $prefs['collapsed_folders']);
- $count = count($folders);
- $folders_str = '';
-
- if ($count) {
- $folders[0] = substr($folders[0], 1);
- $folders[$count-1] = substr($folders[$count-1], 0, -1);
- }
-
- foreach ($folders as $value) {
- if ($value != 'INBOX' && !preg_match($regexp, $value)) {
- $value = $prefix.$value;
- }
- $folders_str .= '&'.$value.'&';
- }
- $prefs['collapsed_folders'] = $folders_str;
- }
-
- $prefs['namespace_fixed'] = true;
-
- // save updated preferences and reset imap settings (default folders)
- $user->save_prefs($prefs);
- $this->set_imap_prop();
- }
-
-}
projects / roundcube.git / commitdiff