4 +-----------------------------------------------------------------------+
5 | program/include/rcmail.php |
7 | This file is part of the Roundcube Webmail client |
8 | Copyright (C) 2008-2011, The Roundcube Dev Team |
9 | Licensed under the GNU GPL |
12 | Application class providing core functions and holding |
13 | instances of all 'global' objects like db- and imap-connections |
14 +-----------------------------------------------------------------------+
15 | Author: Thomas Bruederli <roundcube@gmail.com> |
16 +-----------------------------------------------------------------------+
18 $Id: rcmail.php 5235 2011-09-19 06:43:57Z alec $
24 * Application class of Roundcube Webmail
25 * implemented as singleton
36 static public $main_tasks = array('mail','settings','addressbook','login','logout','utils','dummy');
39 * Singleton instace of rcmail
43 static private $instance;
46 * Stores instance of rcube_config.
53 * Stores rcube_user instance.
60 * Instace of database class.
67 * Instace of Memcache class.
74 * Instace of rcube_session class.
81 * Instance of rcube_smtp class.
88 * Instance of rcube_imap class.
95 * Instance of rcube_template class.
102 * Instance of rcube_plugin_api.
104 * @var rcube_plugin_api
121 public $comm_path = './';
124 private $address_books = array();
125 private $caches = array();
126 private $action_map = array();
127 private $shutdown_functions = array();
131 * This implements the 'singleton' design pattern
133 * @return rcmail The one and only instance
135 static function get_instance()
137 if (!self::$instance) {
138 self::$instance = new rcmail();
139 self::$instance->startup(); // init AFTER object was linked with self::$instance
142 return self::$instance;
147 * Private constructor
149 private function __construct()
151 // load configuration
152 $this->config = new rcube_config();
154 register_shutdown_function(array($this, 'shutdown'));
159 * Initial startup function
160 * to register session, create database and imap connections
162 * @todo Remove global vars $DB, $USER
164 private function startup()
167 if ($this->config->get('log_driver') == 'syslog') {
168 $syslog_id = $this->config->get('syslog_id', 'roundcube');
169 $syslog_facility = $this->config->get('syslog_facility', LOG_USER);
170 openlog($syslog_id, LOG_ODELAY, $syslog_facility);
173 // connect to database
174 $GLOBALS['DB'] = $this->get_dbh();
177 $this->session_init();
179 // create user object
180 $this->set_user(new rcube_user($_SESSION['user_id']));
182 // configure session (after user config merge!)
183 $this->session_configure();
185 // set task and action properties
186 $this->set_task(get_input_value('_task', RCUBE_INPUT_GPC));
187 $this->action = asciiwords(get_input_value('_action', RCUBE_INPUT_GPC));
189 // reset some session parameters when changing task
190 if ($this->task != 'utils') {
191 if ($this->session && $_SESSION['task'] != $this->task)
192 $this->session->remove('page');
193 // set current task to session
194 $_SESSION['task'] = $this->task;
198 if (!empty($_REQUEST['_remote']))
199 $GLOBALS['OUTPUT'] = $this->json_init();
201 $GLOBALS['OUTPUT'] = $this->load_gui(!empty($_REQUEST['_framed']));
203 // create plugin API and load plugins
204 $this->plugins = rcube_plugin_api::get_instance();
207 $this->plugins->init();
212 * Setter for application task
214 * @param string Task to set
216 public function set_task($task)
218 $task = asciiwords($task);
220 if ($this->user && $this->user->ID)
221 $task = !$task ? 'mail' : $task;
226 $this->comm_path = $this->url(array('task' => $this->task));
229 $this->output->set_env('task', $this->task);
234 * Setter for system user object
236 * @param rcube_user Current user instance
238 public function set_user($user)
240 if (is_object($user)) {
242 $GLOBALS['USER'] = $this->user;
244 // overwrite config with user preferences
245 $this->config->set_user_prefs((array)$this->user->get_prefs());
248 $_SESSION['language'] = $this->user->language = $this->language_prop($this->config->get('language', $_SESSION['language']));
251 setlocale(LC_ALL, $_SESSION['language'] . '.utf8', 'en_US.utf8');
253 // workaround for http://bugs.php.net/bug.php?id=18556
254 if (in_array($_SESSION['language'], array('tr_TR', 'ku', 'az_AZ')))
255 setlocale(LC_CTYPE, 'en_US' . '.utf8');
260 * Check the given string and return a valid language code
262 * @param string Language code
263 * @return string Valid language code
265 private function language_prop($lang)
267 static $rcube_languages, $rcube_language_aliases;
269 // user HTTP_ACCEPT_LANGUAGE if no language is specified
270 if (empty($lang) || $lang == 'auto') {
271 $accept_langs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
272 $lang = str_replace('-', '_', $accept_langs[0]);
275 if (empty($rcube_languages)) {
276 @include(INSTALL_PATH . 'program/localization/index.inc');
279 // check if we have an alias for that language
280 if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang])) {
281 $lang = $rcube_language_aliases[$lang];
283 // try the first two chars
284 else if (!isset($rcube_languages[$lang])) {
285 $short = substr($lang, 0, 2);
287 // check if we have an alias for the short language code
288 if (!isset($rcube_languages[$short]) && isset($rcube_language_aliases[$short])) {
289 $lang = $rcube_language_aliases[$short];
291 // expand 'nn' to 'nn_NN'
292 else if (!isset($rcube_languages[$short])) {
293 $lang = $short.'_'.strtoupper($short);
297 if (!isset($rcube_languages[$lang]) || !is_dir(INSTALL_PATH . 'program/localization/' . $lang)) {
306 * Get the current database connection
308 * @return rcube_mdb2 Database connection object
310 public function get_dbh()
313 $config_all = $this->config->all();
315 $this->db = new rcube_mdb2($config_all['db_dsnw'], $config_all['db_dsnr'], $config_all['db_persistent']);
316 $this->db->sqlite_initials = INSTALL_PATH . 'SQL/sqlite.initial.sql';
317 $this->db->set_debug((bool)$config_all['sql_debug']);
325 * Get global handle for memcache access
327 * @return object Memcache
329 public function get_memcache()
331 if (!isset($this->memcache)) {
332 // no memcache support in PHP
333 if (!class_exists('Memcache')) {
334 $this->memcache = false;
338 $this->memcache = new Memcache;
339 $this->mc_available = 0;
341 // add alll configured hosts to pool
342 $pconnect = $this->config->get('memcache_pconnect', true);
343 foreach ($this->config->get('memcache_hosts', array()) as $host) {
344 list($host, $port) = explode(':', $host);
345 if (!$port) $port = 11211;
346 $this->mc_available += intval($this->memcache->addServer($host, $port, $pconnect, 1, 1, 15, false, array($this, 'memcache_failure')));
349 // test connection and failover (will result in $this->mc_available == 0 on complete failure)
350 $this->memcache->increment('__CONNECTIONTEST__', 1); // NOP if key doesn't exist
352 if (!$this->mc_available)
353 $this->memcache = false;
356 return $this->memcache;
360 * Callback for memcache failure
362 public function memcache_failure($host, $port)
364 static $seen = array();
367 if (!$seen["$host:$port"]++) {
368 $this->mc_available--;
369 raise_error(array('code' => 604, 'type' => 'db',
370 'line' => __LINE__, 'file' => __FILE__,
371 'message' => "Memcache failure on host $host:$port"),
378 * Initialize and get cache object
380 * @param string $name Cache identifier
381 * @param string $type Cache type ('db', 'apc' or 'memcache')
382 * @param int $ttl Expiration time for cache items in seconds
383 * @param bool $packed Enables/disables data serialization
385 * @return rcube_cache Cache object
387 public function get_cache($name, $type='db', $ttl=0, $packed=true)
389 if (!isset($this->caches[$name])) {
390 $this->caches[$name] = new rcube_cache($type, $_SESSION['user_id'], $name, $ttl, $packed);
393 return $this->caches[$name];
398 * Return instance of the internal address book class
400 * @param string Address book identifier
401 * @param boolean True if the address book needs to be writeable
403 * @return rcube_contacts Address book object
405 public function get_address_book($id, $writeable = false)
408 $ldap_config = (array)$this->config->get('ldap_public');
409 $abook_type = strtolower($this->config->get('address_book_type'));
411 // 'sql' is the alias for '0' used by autocomplete
415 // use existing instance
416 if (isset($this->address_books[$id]) && is_object($this->address_books[$id])
417 && is_a($this->address_books[$id], 'rcube_addressbook')
418 && (!$writeable || !$this->address_books[$id]->readonly)
420 $contacts = $this->address_books[$id];
422 else if ($id && $ldap_config[$id]) {
423 $contacts = new rcube_ldap($ldap_config[$id], $this->config->get('ldap_debug'), $this->config->mail_domain($_SESSION['imap_host']));
425 else if ($id === '0') {
426 $contacts = new rcube_contacts($this->db, $this->user->ID);
429 $plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable));
431 // plugin returned instance of a rcube_addressbook
432 if ($plugin['instance'] instanceof rcube_addressbook) {
433 $contacts = $plugin['instance'];
435 // get first source from the list
437 $source = reset($this->get_address_sources($writeable));
438 if (!empty($source)) {
439 $contacts = $this->get_address_book($source['id']);
448 'code' => 700, 'type' => 'php',
449 'file' => __FILE__, 'line' => __LINE__,
450 'message' => "Addressbook source ($id) not found!"),
454 // add to the 'books' array for shutdown function
455 if (!isset($this->address_books[$id]))
456 $this->address_books[$id] = $contacts;
463 * Return address books list
465 * @param boolean True if the address book needs to be writeable
467 * @return array Address books array
469 public function get_address_sources($writeable = false)
471 $abook_type = strtolower($this->config->get('address_book_type'));
472 $ldap_config = $this->config->get('ldap_public');
473 $autocomplete = (array) $this->config->get('autocomplete_addressbooks');
476 // We are using the DB address book
477 if ($abook_type != 'ldap') {
478 if (!isset($this->address_books['0']))
479 $this->address_books['0'] = new rcube_contacts($this->db, $this->user->ID);
482 'name' => rcube_label('personaladrbook'),
483 'groups' => $this->address_books['0']->groups,
484 'readonly' => $this->address_books['0']->readonly,
485 'autocomplete' => in_array('sql', $autocomplete)
490 $ldap_config = (array) $ldap_config;
491 foreach ($ldap_config as $id => $prop)
494 'name' => $prop['name'],
495 'groups' => is_array($prop['groups']),
496 'readonly' => !$prop['writable'],
497 'hidden' => $prop['hidden'],
498 'autocomplete' => in_array($id, $autocomplete)
502 $plugin = $this->plugins->exec_hook('addressbooks_list', array('sources' => $list));
503 $list = $plugin['sources'];
505 foreach ($list as $idx => $item) {
506 // register source for shutdown function
507 if (!is_object($this->address_books[$item['id']]))
508 $this->address_books[$item['id']] = $item;
509 // remove from list if not writeable as requested
510 if ($writeable && $item['readonly'])
519 * Init output object for GUI and add common scripts.
520 * This will instantiate a rcmail_template object and set
521 * environment vars according to the current session and configuration
523 * @param boolean True if this request is loaded in a (i)frame
524 * @return rcube_template Reference to HTML output object
526 public function load_gui($framed = false)
529 if (!($this->output instanceof rcube_template))
530 $this->output = new rcube_template($this->task, $framed);
532 // set keep-alive/check-recent interval
533 if ($this->session && ($keep_alive = $this->session->get_keep_alive())) {
534 $this->output->set_env('keep_alive', $keep_alive);
538 $this->comm_path .= '&_framed=1';
539 $this->output->set_env('framed', true);
542 $this->output->set_env('task', $this->task);
543 $this->output->set_env('action', $this->action);
544 $this->output->set_env('comm_path', $this->comm_path);
545 $this->output->set_charset(RCMAIL_CHARSET);
547 // add some basic labels to client
548 $this->output->add_label('loading', 'servererror');
550 return $this->output;
555 * Create an output object for JSON responses
557 * @return rcube_json_output Reference to JSON output object
559 public function json_init()
561 if (!($this->output instanceof rcube_json_output))
562 $this->output = new rcube_json_output($this->task);
564 return $this->output;
569 * Create SMTP object and connect to server
571 * @param boolean True if connection should be established
573 public function smtp_init($connect = false)
575 $this->smtp = new rcube_smtp();
578 $this->smtp->connect();
583 * Create global IMAP object and connect to server
585 * @param boolean True if connection should be established
586 * @todo Remove global $IMAP
588 public function imap_init($connect = false)
590 // already initialized
591 if (is_object($this->imap))
594 $this->imap = new rcube_imap();
595 $this->imap->debug_level = $this->config->get('debug_level');
596 $this->imap->skip_deleted = $this->config->get('skip_deleted');
598 // enable caching of imap data
599 $imap_cache = $this->config->get('imap_cache');
600 $messages_cache = $this->config->get('messages_cache');
601 // for backward compatybility
602 if ($imap_cache === null && $messages_cache === null && $this->config->get('enable_caching')) {
604 $messages_cache = true;
607 $this->imap->set_caching($imap_cache);
609 $this->imap->set_messages_caching(true);
611 // set pagesize from config
612 $this->imap->set_pagesize($this->config->get('pagesize', 50));
614 // Setting root and delimiter before establishing the connection
615 // can save time detecting them using NAMESPACE and LIST
617 'auth_method' => $this->config->get('imap_auth_type', 'check'),
618 'auth_cid' => $this->config->get('imap_auth_cid'),
619 'auth_pw' => $this->config->get('imap_auth_pw'),
620 'debug' => (bool) $this->config->get('imap_debug', 0),
621 'force_caps' => (bool) $this->config->get('imap_force_caps'),
622 'timeout' => (int) $this->config->get('imap_timeout', 0),
625 $this->imap->set_options($options);
627 // set global object for backward compatibility
628 $GLOBALS['IMAP'] = $this->imap;
630 $hook = $this->plugins->exec_hook('imap_init', array('fetch_headers' => $this->imap->fetch_add_headers));
631 if ($hook['fetch_headers'])
632 $this->imap->fetch_add_headers = $hook['fetch_headers'];
634 // support this parameter for backward compatibility but log warning
636 $this->imap_connect();
638 'code' => 800, 'type' => 'imap',
639 'file' => __FILE__, 'line' => __LINE__,
640 'message' => "rcube::imap_init(true) is deprecated, use rcube::imap_connect() instead"),
647 * Connect to IMAP server with stored session data
649 * @return bool True on success, false on error
651 public function imap_connect()
656 if ($_SESSION['imap_host'] && !$this->imap->conn->connected()) {
657 if (!$this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl'])) {
659 $this->output->show_message($this->imap->get_error_code() == -1 ? 'imaperror' : 'sessionerror', 'error');
662 $this->set_imap_prop();
663 return $this->imap->conn;
672 * Create session object and start the session.
674 public function session_init()
676 // session started (Installer?)
680 // set session domain
681 if ($domain = $this->config->get('session_domain')) {
682 ini_set('session.cookie_domain', $domain);
684 // set session garbage collecting time according to session_lifetime
685 $lifetime = $this->config->get('session_lifetime', 0) * 60;
687 ini_set('session.gc_maxlifetime', $lifetime * 2);
690 ini_set('session.cookie_secure', rcube_https_check());
691 ini_set('session.name', 'roundcube_sessid');
692 ini_set('session.use_cookies', 1);
693 ini_set('session.use_only_cookies', 1);
694 ini_set('session.serialize_handler', 'php');
696 // use database for storing session data
697 $this->session = new rcube_session($this->get_dbh(), $this->config);
699 $this->session->register_gc_handler('rcmail_temp_gc');
700 if ($this->config->get('enable_caching'))
701 $this->session->register_gc_handler('rcmail_cache_gc');
703 // start PHP session (if not in CLI mode)
704 if ($_SERVER['REMOTE_ADDR'])
707 // set initial session vars
708 if (!$_SESSION['user_id'])
709 $_SESSION['temp'] = true;
714 * Configure session object internals
716 public function session_configure()
721 $lifetime = $this->config->get('session_lifetime', 0) * 60;
723 // set keep-alive/check-recent interval
724 if ($keep_alive = $this->config->get('keep_alive')) {
725 // be sure that it's less than session lifetime
727 $keep_alive = min($keep_alive, $lifetime - 30);
728 $keep_alive = max(60, $keep_alive);
729 $this->session->set_keep_alive($keep_alive);
732 $this->session->set_secret($this->config->get('des_key') . $_SERVER['HTTP_USER_AGENT']);
733 $this->session->set_ip_check($this->config->get('ip_check'));
738 * Perfom login to the IMAP server and to the webmail service.
739 * This will also create a new user entry if auto_create_user is configured.
741 * @param string IMAP user name
742 * @param string IMAP password
743 * @param string IMAP host
744 * @return boolean True on success, False on failure
746 function login($username, $pass, $host=NULL)
749 $config = $this->config->all();
752 $host = $config['default_host'];
754 // Validate that selected host is in the list of configured hosts
755 if (is_array($config['default_host'])) {
757 foreach ($config['default_host'] as $key => $host_allowed) {
758 if (!is_numeric($key))
759 $host_allowed = $key;
760 if ($host == $host_allowed) {
768 else if (!empty($config['default_host']) && $host != rcube_parse_host($config['default_host']))
772 $a_host = parse_url($host);
773 if ($a_host['host']) {
774 $host = $a_host['host'];
775 $imap_ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
776 if (!empty($a_host['port']))
777 $imap_port = $a_host['port'];
778 else if ($imap_ssl && $imap_ssl != 'tls' && (!$config['default_port'] || $config['default_port'] == 143))
782 $imap_port = $imap_port ? $imap_port : $config['default_port'];
784 /* Modify username with domain if required
785 Inspired by Marco <P0L0_notspam_binware.org>
787 // Check if we need to add domain
788 if (!empty($config['username_domain']) && strpos($username, '@') === false) {
789 if (is_array($config['username_domain']) && isset($config['username_domain'][$host]))
790 $username .= '@'.rcube_parse_host($config['username_domain'][$host], $host);
791 else if (is_string($config['username_domain']))
792 $username .= '@'.rcube_parse_host($config['username_domain'], $host);
795 // Convert username to lowercase. If IMAP backend
796 // is case-insensitive we need to store always the same username (#1487113)
797 if ($config['login_lc']) {
798 $username = mb_strtolower($username);
801 // try to resolve email address from virtuser table
802 if (strpos($username, '@') && ($virtuser = rcube_user::email2user($username))) {
803 $username = $virtuser;
806 // Here we need IDNA ASCII
807 // Only rcube_contacts class is using domain names in Unicode
808 $host = rcube_idn_to_ascii($host);
809 if (strpos($username, '@')) {
810 // lowercase domain name
811 list($local, $domain) = explode('@', $username);
812 $username = $local . '@' . mb_strtolower($domain);
813 $username = rcube_idn_to_ascii($username);
816 // user already registered -> overwrite username
817 if ($user = rcube_user::query($username, $host))
818 $username = $user->data['username'];
824 if (!($imap_login = $this->imap->connect($host, $username, $pass, $imap_port, $imap_ssl))) {
825 // try with lowercase
826 $username_lc = mb_strtolower($username);
827 if ($username_lc != $username) {
828 // try to find user record again -> overwrite username
829 if (!$user && ($user = rcube_user::query($username_lc, $host)))
830 $username_lc = $user->data['username'];
832 if ($imap_login = $this->imap->connect($host, $username_lc, $pass, $imap_port, $imap_ssl))
833 $username = $username_lc;
837 // exit if IMAP login failed
841 $this->set_imap_prop();
843 // user already registered -> update user's record
844 if (is_object($user)) {
845 // fix some old settings according to namespace prefix
846 $this->fix_namespace_settings($user);
848 // create default folders on first login
849 if (!$user->data['last_login'] && $config['create_default_folders'])
850 $this->imap->create_default_folders();
851 // update last login timestamp
854 // create new system user
855 else if ($config['auto_create_user']) {
856 if ($created = rcube_user::create($username, $host)) {
859 // fix default settings according to namespace prefix
860 $this->fix_namespace_settings($user);
862 // create default folders on first login
863 if ($config['create_default_folders'])
864 $this->imap->create_default_folders();
868 'code' => 620, 'type' => 'php',
869 'file' => __FILE__, 'line' => __LINE__,
870 'message' => "Failed to create a user record. Maybe aborted by a plugin?"
876 'code' => 621, 'type' => 'php',
877 'file' => __FILE__, 'line' => __LINE__,
878 'message' => "Access denied for new user $username. 'auto_create_user' is disabled"
883 if (is_object($user) && $user->ID) {
884 $this->set_user($user);
885 $this->session_configure();
888 $_SESSION['user_id'] = $user->ID;
889 $_SESSION['username'] = $user->data['username'];
890 $_SESSION['imap_host'] = $host;
891 $_SESSION['imap_port'] = $imap_port;
892 $_SESSION['imap_ssl'] = $imap_ssl;
893 $_SESSION['password'] = $this->encrypt($pass);
894 $_SESSION['login_time'] = mktime();
896 if (isset($_REQUEST['_timezone']) && $_REQUEST['_timezone'] != '_default_')
897 $_SESSION['timezone'] = floatval($_REQUEST['_timezone']);
899 // force reloading complete list of subscribed mailboxes
900 $this->imap->clear_cache('mailboxes', true);
910 * Set root dir and last stored mailbox
911 * This must be done AFTER connecting to the server!
913 public function set_imap_prop()
915 $this->imap->set_charset($this->config->get('default_charset', RCMAIL_CHARSET));
917 if ($default_folders = $this->config->get('default_imap_folders')) {
918 $this->imap->set_default_mailboxes($default_folders);
920 if (isset($_SESSION['mbox'])) {
921 $this->imap->set_mailbox($_SESSION['mbox']);
923 if (isset($_SESSION['page'])) {
924 $this->imap->set_page($_SESSION['page']);
930 * Auto-select IMAP host based on the posted login information
932 * @return string Selected IMAP host
934 public function autoselect_host()
936 $default_host = $this->config->get('default_host');
939 if (is_array($default_host)) {
940 $post_host = get_input_value('_host', RCUBE_INPUT_POST);
942 // direct match in default_host array
943 if ($default_host[$post_host] || in_array($post_host, array_values($default_host))) {
947 // try to select host by mail domain
948 list($user, $domain) = explode('@', get_input_value('_user', RCUBE_INPUT_POST));
949 if (!empty($domain)) {
950 foreach ($default_host as $imap_host => $mail_domains) {
951 if (is_array($mail_domains) && in_array($domain, $mail_domains)) {
958 // take the first entry if $host is still an array
960 $host = array_shift($default_host);
963 else if (empty($default_host)) {
964 $host = get_input_value('_host', RCUBE_INPUT_POST);
967 $host = rcube_parse_host($default_host);
974 * Get localized text in the desired language
976 * @param mixed Named parameters array or label name
977 * @return string Localized text
979 public function gettext($attrib, $domain=null)
981 // load localization files if not done yet
982 if (empty($this->texts))
983 $this->load_language();
985 // extract attributes
986 if (is_string($attrib))
987 $attrib = array('name' => $attrib);
989 $nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1;
990 $name = $attrib['name'] ? $attrib['name'] : '';
992 // attrib contain text values: use them from now
993 if (($setval = $attrib[strtolower($_SESSION['language'])]) || ($setval = $attrib['en_us']))
994 $this->texts[$name] = $setval;
996 // check for text with domain
997 if ($domain && ($text_item = $this->texts[$domain.'.'.$name]))
999 // text does not exist
1000 else if (!($text_item = $this->texts[$name])) {
1004 // make text item array
1005 $a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item);
1007 // decide which text to use
1009 $text = $a_text_item['single'];
1012 $text = $a_text_item['multiple'];
1014 else if ($nr == 0) {
1015 if ($a_text_item['none'])
1016 $text = $a_text_item['none'];
1017 else if ($a_text_item['single'])
1018 $text = $a_text_item['single'];
1019 else if ($a_text_item['multiple'])
1020 $text = $a_text_item['multiple'];
1023 // default text is single
1025 $text = $a_text_item['single'];
1028 // replace vars in text
1029 if (is_array($attrib['vars'])) {
1030 foreach ($attrib['vars'] as $var_key => $var_value)
1031 $text = str_replace($var_key[0]!='$' ? '$'.$var_key : $var_key, $var_value, $text);
1035 if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst'])
1036 return ucfirst($text);
1037 else if ($attrib['uppercase'])
1038 return mb_strtoupper($text);
1039 else if ($attrib['lowercase'])
1040 return mb_strtolower($text);
1047 * Check if the given text lable exists
1049 * @param string Label name
1050 * @return boolean True if text exists (either in the current language or in en_US)
1052 public function text_exists($name, $domain=null)
1054 // load localization files if not done yet
1055 if (empty($this->texts))
1056 $this->load_language();
1058 // check for text with domain first
1059 return ($domain && isset($this->texts[$domain.'.'.$name])) || isset($this->texts[$name]);
1063 * Load a localization package
1065 * @param string Language ID
1067 public function load_language($lang = null, $add = array())
1069 $lang = $this->language_prop(($lang ? $lang : $_SESSION['language']));
1071 // load localized texts
1072 if (empty($this->texts) || $lang != $_SESSION['language']) {
1073 $this->texts = array();
1075 // handle empty lines after closing PHP tag in localization files
1078 // get english labels (these should be complete)
1079 @include(INSTALL_PATH . 'program/localization/en_US/labels.inc');
1080 @include(INSTALL_PATH . 'program/localization/en_US/messages.inc');
1082 if (is_array($labels))
1083 $this->texts = $labels;
1084 if (is_array($messages))
1085 $this->texts = array_merge($this->texts, $messages);
1087 // include user language files
1088 if ($lang != 'en' && is_dir(INSTALL_PATH . 'program/localization/' . $lang)) {
1089 include_once(INSTALL_PATH . 'program/localization/' . $lang . '/labels.inc');
1090 include_once(INSTALL_PATH . 'program/localization/' . $lang . '/messages.inc');
1092 if (is_array($labels))
1093 $this->texts = array_merge($this->texts, $labels);
1094 if (is_array($messages))
1095 $this->texts = array_merge($this->texts, $messages);
1100 $_SESSION['language'] = $lang;
1103 // append additional texts (from plugin)
1104 if (is_array($add) && !empty($add))
1105 $this->texts += $add;
1110 * Read directory program/localization and return a list of available languages
1112 * @return array List of available localizations
1114 public function list_languages()
1116 static $sa_languages = array();
1118 if (!sizeof($sa_languages)) {
1119 @include(INSTALL_PATH . 'program/localization/index.inc');
1121 if ($dh = @opendir(INSTALL_PATH . 'program/localization')) {
1122 while (($name = readdir($dh)) !== false) {
1123 if ($name[0] == '.' || !is_dir(INSTALL_PATH . 'program/localization/' . $name))
1126 if ($label = $rcube_languages[$name])
1127 $sa_languages[$name] = $label;
1133 return $sa_languages;
1138 * Destroy session data and remove cookie
1140 public function kill_session()
1142 $this->plugins->exec_hook('session_destroy');
1144 $this->session->kill();
1145 $_SESSION = array('language' => $this->user->language, 'temp' => true);
1146 $this->user->reset();
1151 * Do server side actions on logout
1153 public function logout_actions()
1155 $config = $this->config->all();
1157 // on logout action we're not connected to imap server
1158 if (($config['logout_purge'] && !empty($config['trash_mbox'])) || $config['logout_expunge']) {
1159 if (!$this->session->check_auth())
1162 $this->imap_connect();
1165 if ($config['logout_purge'] && !empty($config['trash_mbox'])) {
1166 $this->imap->clear_mailbox($config['trash_mbox']);
1169 if ($config['logout_expunge']) {
1170 $this->imap->expunge('INBOX');
1173 // Try to save unsaved user preferences
1174 if (!empty($_SESSION['preferences'])) {
1175 $this->user->save_prefs(unserialize($_SESSION['preferences']));
1181 * Function to be executed in script shutdown
1182 * Registered with register_shutdown_function()
1184 public function shutdown()
1186 foreach ($this->shutdown_functions as $function)
1187 call_user_func($function);
1189 if (is_object($this->smtp))
1190 $this->smtp->disconnect();
1192 foreach ($this->address_books as $book) {
1193 if (is_object($book) && is_a($book, 'rcube_addressbook'))
1197 foreach ($this->caches as $cache) {
1198 if (is_object($cache))
1202 if (is_object($this->imap))
1203 $this->imap->close();
1205 // before closing the database connection, write session data
1206 if ($_SERVER['REMOTE_ADDR'] && is_object($this->session)) {
1207 $this->session->cleanup();
1208 session_write_close();
1211 // write performance stats to logs/console
1212 if ($this->config->get('devel_mode')) {
1213 if (function_exists('memory_get_usage'))
1214 $mem = show_bytes(memory_get_usage());
1215 if (function_exists('memory_get_peak_usage'))
1216 $mem .= '/'.show_bytes(memory_get_peak_usage());
1218 $log = $this->task . ($this->action ? '/'.$this->action : '') . ($mem ? " [$mem]" : '');
1219 if (defined('RCMAIL_START'))
1220 rcube_print_time(RCMAIL_START, $log);
1228 * Registers shutdown function to be executed on shutdown.
1229 * The functions will be executed before destroying any
1230 * objects like smtp, imap, session, etc.
1232 * @param callback Function callback
1234 public function add_shutdown_function($function)
1236 $this->shutdown_functions[] = $function;
1241 * Generate a unique token to be used in a form request
1243 * @return string The request token
1245 public function get_request_token()
1247 $sess_id = $_COOKIE[ini_get('session.name')];
1248 if (!$sess_id) $sess_id = session_id();
1249 $plugin = $this->plugins->exec_hook('request_token', array('value' => md5('RT' . $this->task . $this->config->get('des_key') . $sess_id)));
1250 return $plugin['value'];
1255 * Check if the current request contains a valid token
1257 * @param int Request method
1258 * @return boolean True if request token is valid false if not
1260 public function check_request($mode = RCUBE_INPUT_POST)
1262 $token = get_input_value('_token', $mode);
1263 $sess_id = $_COOKIE[ini_get('session.name')];
1264 return !empty($sess_id) && $token == $this->get_request_token();
1269 * Create unique authorization hash
1271 * @param string Session ID
1272 * @param int Timestamp
1273 * @return string The generated auth hash
1275 private function get_auth_hash($sess_id, $ts)
1277 $auth_string = sprintf('rcmail*sess%sR%s*Chk:%s;%s',
1280 $this->config->get('ip_check') ? $_SERVER['REMOTE_ADDR'] : '***.***.***.***',
1281 $_SERVER['HTTP_USER_AGENT']);
1283 if (function_exists('sha1'))
1284 return sha1($auth_string);
1286 return md5($auth_string);
1291 * Encrypt using 3DES
1293 * @param string $clear clear text input
1294 * @param string $key encryption key to retrieve from the configuration, defaults to 'des_key'
1295 * @param boolean $base64 whether or not to base64_encode() the result before returning
1297 * @return string encrypted text
1299 public function encrypt($clear, $key = 'des_key', $base64 = true)
1304 * Add a single canary byte to the end of the clear text, which
1305 * will help find out how much of padding will need to be removed
1306 * upon decryption; see http://php.net/mcrypt_generic#68082
1308 $clear = pack("a*H2", $clear, "80");
1310 if (function_exists('mcrypt_module_open') &&
1311 ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_CBC, "")))
1313 $iv = $this->create_iv(mcrypt_enc_get_iv_size($td));
1314 mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv);
1315 $cipher = $iv . mcrypt_generic($td, $clear);
1316 mcrypt_generic_deinit($td);
1317 mcrypt_module_close($td);
1320 // @include_once 'des.inc'; (not shipped with this distribution)
1322 if (function_exists('des')) {
1324 $iv = $this->create_iv($des_iv_size);
1325 $cipher = $iv . des($this->config->get_crypto_key($key), $clear, 1, 1, $iv);
1329 'code' => 500, 'type' => 'php',
1330 'file' => __FILE__, 'line' => __LINE__,
1331 'message' => "Could not perform encryption; make sure Mcrypt is installed or lib/des.inc is available"
1336 return $base64 ? base64_encode($cipher) : $cipher;
1340 * Decrypt 3DES-encrypted string
1342 * @param string $cipher encrypted text
1343 * @param string $key encryption key to retrieve from the configuration, defaults to 'des_key'
1344 * @param boolean $base64 whether or not input is base64-encoded
1346 * @return string decrypted text
1348 public function decrypt($cipher, $key = 'des_key', $base64 = true)
1353 $cipher = $base64 ? base64_decode($cipher) : $cipher;
1355 if (function_exists('mcrypt_module_open') &&
1356 ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_CBC, "")))
1358 $iv_size = mcrypt_enc_get_iv_size($td);
1359 $iv = substr($cipher, 0, $iv_size);
1361 // session corruption? (#1485970)
1362 if (strlen($iv) < $iv_size)
1365 $cipher = substr($cipher, $iv_size);
1366 mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv);
1367 $clear = mdecrypt_generic($td, $cipher);
1368 mcrypt_generic_deinit($td);
1369 mcrypt_module_close($td);
1372 // @include_once 'des.inc'; (not shipped with this distribution)
1374 if (function_exists('des')) {
1376 $iv = substr($cipher, 0, $des_iv_size);
1377 $cipher = substr($cipher, $des_iv_size);
1378 $clear = des($this->config->get_crypto_key($key), $cipher, 0, 1, $iv);
1382 'code' => 500, 'type' => 'php',
1383 'file' => __FILE__, 'line' => __LINE__,
1384 'message' => "Could not perform decryption; make sure Mcrypt is installed or lib/des.inc is available"
1390 * Trim PHP's padding and the canary byte; see note in
1391 * rcmail::encrypt() and http://php.net/mcrypt_generic#68082
1393 $clear = substr(rtrim($clear, "\0"), 0, -1);
1399 * Generates encryption initialization vector (IV)
1401 * @param int Vector size
1402 * @return string Vector string
1404 private function create_iv($size)
1406 // mcrypt_create_iv() can be slow when system lacks entrophy
1407 // we'll generate IV vector manually
1409 for ($i = 0; $i < $size; $i++)
1410 $iv .= chr(mt_rand(0, 255));
1415 * Build a valid URL to this instance of Roundcube
1417 * @param mixed Either a string with the action or url parameters as key-value pairs
1418 * @return string Valid application URL
1420 public function url($p)
1423 $p = array('_action' => @func_get_arg(0));
1425 $task = $p['_task'] ? $p['_task'] : ($p['task'] ? $p['task'] : $this->task);
1426 $p['_task'] = $task;
1431 foreach (array_reverse($p) as $key => $val) {
1433 $par = $key[0] == '_' ? $key : '_'.$key;
1434 $url .= $delm.urlencode($par).'='.urlencode($val);
1443 * Use imagemagick or GD lib to read image properties
1445 * @param string Absolute file path
1446 * @return mixed Hash array with image props like type, width, height or False on error
1448 public static function imageprops($filepath)
1450 $rcmail = rcmail::get_instance();
1451 if ($cmd = $rcmail->config->get('im_identify_path', false)) {
1452 list(, $type, $size) = explode(' ', strtolower(rcmail::exec($cmd. ' 2>/dev/null {in}', array('in' => $filepath))));
1454 list($width, $height) = explode('x', $size);
1456 else if (function_exists('getimagesize')) {
1457 $imsize = @getimagesize($filepath);
1458 $width = $imsize[0];
1459 $height = $imsize[1];
1460 $type = preg_replace('!image/!', '', $imsize['mime']);
1463 return $type ? array('type' => $type, 'width' => $width, 'height' => $height) : false;
1468 * Convert an image to a given size and type using imagemagick (ensures input is an image)
1470 * @param $p['in'] Input filename (mandatory)
1471 * @param $p['out'] Output filename (mandatory)
1472 * @param $p['size'] Width x height of resulting image, e.g. "160x60"
1473 * @param $p['type'] Output file type, e.g. "jpg"
1474 * @param $p['-opts'] Custom command line options to ImageMagick convert
1475 * @return Success of convert as true/false
1477 public static function imageconvert($p)
1480 $rcmail = rcmail::get_instance();
1481 $convert = $rcmail->config->get('im_convert_path', false);
1482 $identify = $rcmail->config->get('im_identify_path', false);
1484 // imagemagick is required for this
1488 if (!(($imagetype = @exif_imagetype($p['in'])) && ($type = image_type_to_extension($imagetype, false))))
1489 list(, $type) = explode(' ', strtolower(rcmail::exec($identify . ' 2>/dev/null {in}', $p))); # for things like eps
1491 $type = strtr($type, array("jpeg" => "jpg", "tiff" => "tif", "ps" => "eps", "ept" => "eps"));
1492 $p += array('type' => $type, 'types' => "bmp,eps,gif,jp2,jpg,png,svg,tif", 'quality' => 75);
1493 $p['-opts'] = array('-resize' => $p['size'].'>') + (array)$p['-opts'];
1495 if (in_array($type, explode(',', $p['types']))) # Valid type?
1496 $result = rcmail::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace RGB -quality {quality} {-opts} {in} {type}:{out}', $p) === "";
1503 * Construct shell command, execute it and return output as string.
1504 * Keywords {keyword} are replaced with arguments
1506 * @param $cmd Format string with {keywords} to be replaced
1507 * @param $values (zero, one or more arrays can be passed)
1508 * @return output of command. shell errors not detectable
1510 public static function exec(/* $cmd, $values1 = array(), ... */)
1512 $args = func_get_args();
1513 $cmd = array_shift($args);
1514 $values = $replacements = array();
1516 // merge values into one array
1517 foreach ($args as $arg)
1518 $values += (array)$arg;
1520 preg_match_all('/({(-?)([a-z]\w*)})/', $cmd, $matches, PREG_SET_ORDER);
1521 foreach ($matches as $tags) {
1522 list(, $tag, $option, $key) = $tags;
1526 foreach ((array)$values["-$key"] as $key => $value) {
1527 if ($value === true || $value === false || $value === null)
1528 $parts[] = $value ? $key : "";
1529 else foreach ((array)$value as $val)
1530 $parts[] = "$key " . escapeshellarg($val);
1534 foreach ((array)$values[$key] as $value)
1535 $parts[] = escapeshellarg($value);
1538 $replacements[$tag] = join(" ", $parts);
1541 // use strtr behaviour of going through source string once
1542 $cmd = strtr($cmd, $replacements);
1544 return (string)shell_exec($cmd);
1549 * Helper method to set a cookie with the current path and host settings
1551 * @param string Cookie name
1552 * @param string Cookie value
1553 * @param string Expiration time
1555 public static function setcookie($name, $value, $exp = 0)
1560 $cookie = session_get_cookie_params();
1562 setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'],
1563 rcube_https_check(), true);
1567 * Registers action aliases for current task
1569 * @param array $map Alias-to-filename hash array
1571 public function register_action_map($map)
1573 if (is_array($map)) {
1574 foreach ($map as $idx => $val) {
1575 $this->action_map[$idx] = $val;
1581 * Returns current action filename
1583 * @param array $map Alias-to-filename hash array
1585 public function get_action_file()
1587 if (!empty($this->action_map[$this->action])) {
1588 return $this->action_map[$this->action];
1591 return strtr($this->action, '-', '_') . '.inc';
1595 * Fixes some user preferences according to namespace handling change.
1596 * Old Roundcube versions were using folder names with removed namespace prefix.
1597 * Now we need to add the prefix on servers where personal namespace has prefix.
1599 * @param rcube_user $user User object
1601 private function fix_namespace_settings($user)
1603 $prefix = $this->imap->get_namespace('prefix');
1604 $prefix_len = strlen($prefix);
1609 $prefs = $user->get_prefs();
1610 if (empty($prefs) || $prefs['namespace_fixed'])
1613 // Build namespace prefix regexp
1614 $ns = $this->imap->get_namespace();
1617 foreach ($ns as $entry) {
1618 if (!empty($entry)) {
1619 foreach ($entry as $item) {
1620 if (strlen($item[0])) {
1621 $regexp[] = preg_quote($item[0], '/');
1626 $regexp = '/^('. implode('|', $regexp).')/';
1629 $opts = array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox', 'archive_mbox');
1630 foreach ($opts as $opt) {
1631 if ($value = $prefs[$opt]) {
1632 if ($value != 'INBOX' && !preg_match($regexp, $value)) {
1633 $prefs[$opt] = $prefix.$value;
1638 if (!empty($prefs['default_imap_folders'])) {
1639 foreach ($prefs['default_imap_folders'] as $idx => $name) {
1640 if ($name != 'INBOX' && !preg_match($regexp, $name)) {
1641 $prefs['default_imap_folders'][$idx] = $prefix.$name;
1646 if (!empty($prefs['search_mods'])) {
1648 foreach ($prefs['search_mods'] as $idx => $value) {
1649 if ($idx != 'INBOX' && $idx != '*' && !preg_match($regexp, $idx)) {
1650 $idx = $prefix.$idx;
1652 $folders[$idx] = $value;
1654 $prefs['search_mods'] = $folders;
1657 if (!empty($prefs['message_threading'])) {
1659 foreach ($prefs['message_threading'] as $idx => $value) {
1660 if ($idx != 'INBOX' && !preg_match($regexp, $idx)) {
1661 $idx = $prefix.$idx;
1663 $folders[$prefix.$idx] = $value;
1665 $prefs['message_threading'] = $folders;
1668 if (!empty($prefs['collapsed_folders'])) {
1669 $folders = explode('&&', $prefs['collapsed_folders']);
1670 $count = count($folders);
1674 $folders[0] = substr($folders[0], 1);
1675 $folders[$count-1] = substr($folders[$count-1], 0, -1);
1678 foreach ($folders as $value) {
1679 if ($value != 'INBOX' && !preg_match($regexp, $value)) {
1680 $value = $prefix.$value;
1682 $folders_str .= '&'.$value.'&';
1684 $prefs['collapsed_folders'] = $folders_str;
1687 $prefs['namespace_fixed'] = true;
1689 // save updated preferences and reset imap settings (default folders)
1690 $user->save_prefs($prefs);
1691 $this->set_imap_prop();