From 1495ac7913095ae8284c3501b7d4e6dd31a484ec Mon Sep 17 00:00:00 2001 From: alecpl <alec@alec.pl> Date: Sat, 14 Apr 2012 07:15:28 -0400 Subject: [PATCH] - More public methods, code cleanup --- program/include/rcmail.php | 1369 +++++++++++++++++++++-------------------------------------- 1 files changed, 492 insertions(+), 877 deletions(-) diff --git a/program/include/rcmail.php b/program/include/rcmail.php index 9f26450..bca91e1 100644 --- a/program/include/rcmail.php +++ b/program/include/rcmail.php @@ -5,9 +5,12 @@ | 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 | + | Copyright (C) 2008-2012, The Roundcube Dev Team | + | Copyright (C) 2011-2012, Kolab Systems AG | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | | | | PURPOSE: | | Application class providing core functions and holding | @@ -27,7 +30,7 @@ * * @package Core */ -class rcmail +class rcmail extends rcube { /** * Main tasks. @@ -35,76 +38,6 @@ * @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. @@ -121,11 +54,8 @@ public $action = ''; public $comm_path = './'; - private $texts; private $address_books = array(); - private $caches = array(); private $action_map = array(); - private $shutdown_functions = array(); /** @@ -135,7 +65,7 @@ */ static function get_instance() { - if (!self::$instance) { + if (!self::$instance || !is_a(self::$instance, 'rcmail')) { self::$instance = new rcmail(); self::$instance->startup(); // init AFTER object was linked with self::$instance } @@ -145,34 +75,12 @@ /** - * 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, $USER */ - private function startup() + protected function startup() { - // initialize syslog - if ($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(); + $this->init(self::INIT_WITH_DB | self::INIT_WITH_PLUGINS); // start session $this->session_init(); @@ -184,8 +92,8 @@ $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)); + $this->set_task(rcube_ui::get_input_value('_task', rcube_ui::INPUT_GPC)); + $this->action = asciiwords(rcube_ui::get_input_value('_action', rcube_ui::INPUT_GPC)); // reset some session parameters when changing task if ($this->task != 'utils') { @@ -201,11 +109,9 @@ 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(); + // load plugins + $this->plugins->init($this, $this->task); + $this->plugins->load_plugins((array)$this->config->get('plugins', array()), array('filesystem_attachments', 'jqueryui')); } @@ -240,7 +146,6 @@ { 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()); @@ -254,144 +159,6 @@ // 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]; } @@ -421,10 +188,10 @@ $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'])); + $contacts = new rcube_ldap($ldap_config[$id], $this->config->get('ldap_debug'), $this->config->mail_domain($_SESSION['storage_host'])); } else if ($id === '0') { - $contacts = new rcube_contacts($this->db, $this->user->ID); + $contacts = new rcube_contacts($this->db, $this->get_user_id()); } else { $plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable)); @@ -445,12 +212,16 @@ } if (!$contacts) { - raise_error(array( + self::raise_error(array( 'code' => 700, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Addressbook source ($id) not found!"), true, true); } + + // set configured sort order + if ($sort_col = $this->config->get('addressbook_sort_col')) + $contacts->set_sort_order($sort_col); // add to the 'books' array for shutdown function $this->address_books[$id] = $contacts; @@ -476,10 +247,10 @@ // We are using the DB address book if ($abook_type != 'ldap') { if (!isset($this->address_books['0'])) - $this->address_books['0'] = new rcube_contacts($this->db, $this->user->ID); + $this->address_books['0'] = new rcube_contacts($this->db, $this->get_user_id()); $list['0'] = array( 'id' => '0', - 'name' => rcube_label('personaladrbook'), + 'name' => $this->gettext('personaladrbook'), 'groups' => $this->address_books['0']->groups, 'readonly' => $this->address_books['0']->readonly, 'autocomplete' => in_array('sql', $autocomplete), @@ -489,7 +260,11 @@ if ($ldap_config) { $ldap_config = (array) $ldap_config; - foreach ($ldap_config as $id => $prop) + foreach ($ldap_config as $id => $prop) { + // handle misconfiguration + if (empty($prop) || !is_array($prop)) { + continue; + } $list[$id] = array( 'id' => $id, 'name' => $prop['name'], @@ -498,6 +273,7 @@ 'hidden' => $prop['hidden'], 'autocomplete' => in_array($id, $autocomplete) ); + } } $plugin = $this->plugins->exec_hook('addressbooks_list', array('sources' => $list)); @@ -522,13 +298,13 @@ * environment vars according to the current session and configuration * * @param boolean True if this request is loaded in a (i)frame - * @return rcube_template Reference to HTML output object + * @return rcube_output_html Reference to HTML output object */ public function load_gui($framed = false) { // init output page - if (!($this->output instanceof rcube_template)) - $this->output = new rcube_template($this->task, $framed); + if (!($this->output instanceof rcube_output_html)) + $this->output = new rcube_output_html($this->task, $framed); // set keep-alive/check-recent interval if ($this->session && ($keep_alive = $this->session->get_keep_alive())) { @@ -555,115 +331,14 @@ /** * Create an output object for JSON responses * - * @return rcube_json_output Reference to JSON output object + * @return rcube_output_json Reference to JSON output object */ public function json_init() { - if (!($this->output instanceof rcube_json_output)) - $this->output = new rcube_json_output($this->task); + if (!($this->output instanceof rcube_output_json)) + $this->output = new rcube_output_json($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) - $this->smtp->connect(); - } - - - /** - * Create global IMAP object and connect to server - * - * @param boolean True if connection should be established - */ - public function imap_init($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; } @@ -689,7 +364,7 @@ ini_set('session.gc_maxlifetime', $lifetime * 2); } - ini_set('session.cookie_secure', rcube_https_check()); + ini_set('session.cookie_secure', rcube_ui::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); @@ -698,9 +373,8 @@ // 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'); + $this->session->register_gc_handler(array($this, 'temp_gc')); + $this->session->register_gc_handler(array($this, 'cache_gc')); // start PHP session (if not in CLI mode) if ($_SERVER['REMOTE_ADDR']) @@ -709,6 +383,10 @@ // set initial session vars if (!$_SESSION['user_id']) $_SESSION['temp'] = true; + + // restore skin selection after logout + if ($_SESSION['temp'] && !empty($_SESSION['skin'])) + $this->config->set('skin', $_SESSION['skin']); } @@ -737,17 +415,21 @@ /** - * Perfom login to the IMAP server and to the webmail service. + * Perfom login to the mail server and to the webmail service. * This will also create a new user entry if auto_create_user is configured. * - * @param string IMAP user name - * @param string IMAP password - * @param string IMAP host + * @param string Mail storage (IMAP) user name + * @param string Mail storage (IMAP) password + * @param string Mail storage (IMAP) host + * * @return boolean True on success, False on failure */ function login($username, $pass, $host=NULL) { - $user = NULL; + if (empty($username)) { + return false; + } + $config = $this->config->all(); if (!$host) @@ -767,21 +449,23 @@ if (!$allowed) return false; } - else if (!empty($config['default_host']) && $host != rcube_parse_host($config['default_host'])) + else if (!empty($config['default_host']) && $host != self::parse_host($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; + $ssl = (isset($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; + $port = $a_host['port']; + else if ($ssl && $ssl != 'tls' && (!$config['default_port'] || $config['default_port'] == 143)) + $port = 993; } - $imap_port = $imap_port ? $imap_port : $config['default_port']; + if (!$port) { + $port = $config['default_port']; + } /* Modify username with domain if required Inspired by Marco <P0L0_notspam_binware.org> @@ -789,12 +473,12 @@ // Check if we need to add domain if (!empty($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); + $username .= '@'.self::parse_host($config['username_domain'][$host], $host); else if (is_string($config['username_domain'])) - $username .= '@'.rcube_parse_host($config['username_domain'], $host); + $username .= '@'.self::parse_host($config['username_domain'], $host); } - // Convert username to lowercase. If IMAP backend + // Convert username to lowercase. If storage backend // is case-insensitive we need to store always the same username (#1487113) if ($config['login_lc']) { $username = mb_strtolower($username); @@ -819,11 +503,11 @@ if ($user = rcube_user::query($username, $host)) $username = $user->data['username']; - if (!$this->imap) - $this->imap_init(); + if (!$this->storage) + $this->storage_init(); - // try IMAP login - if (!($imap_login = $this->imap->connect($host, $username, $pass, $imap_port, $imap_ssl))) { + // try to log in + if (!($login = $this->storage->connect($host, $username, $pass, $port, $ssl))) { // try with lowercase $username_lc = mb_strtolower($username); if ($username_lc != $username) { @@ -831,14 +515,15 @@ if (!$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, $imap_ssl)) + if ($login = $this->storage->connect($host, $username_lc, $pass, $port, $ssl)) $username = $username_lc; } } - // exit if IMAP login failed - if (!$imap_login) + // exit if login failed + if (!$login) { return false; + } // user already registered -> update user's record if (is_object($user)) { @@ -851,7 +536,7 @@ $user = $created; } else { - raise_error(array( + self::raise_error(array( 'code' => 620, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Failed to create a user record. Maybe aborted by a plugin?" @@ -859,7 +544,7 @@ } } else { - raise_error(array( + self::raise_error(array( 'code' => 621, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__, 'message' => "Access denied for new user $username. 'auto_create_user' is disabled" @@ -870,7 +555,7 @@ if (is_object($user) && $user->ID) { // Configure environment $this->set_user($user); - $this->set_imap_prop(); + $this->set_storage_prop(); $this->session_configure(); // fix some old settings according to namespace prefix @@ -878,17 +563,17 @@ // create default folders on first login if ($config['create_default_folders'] && (!empty($created) || empty($user->data['last_login']))) { - $this->imap->create_default_folders(); + $this->storage->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(); + $_SESSION['user_id'] = $user->ID; + $_SESSION['username'] = $user->data['username']; + $_SESSION['storage_host'] = $host; + $_SESSION['storage_port'] = $port; + $_SESSION['storage_ssl'] = $ssl; + $_SESSION['password'] = $this->encrypt($pass); + $_SESSION['login_time'] = mktime(); if (isset($_REQUEST['_timezone']) && $_REQUEST['_timezone'] != '_default_') $_SESSION['timezone'] = floatval($_REQUEST['_timezone']); @@ -896,32 +581,12 @@ $_SESSION['dst_active'] = intval($_REQUEST['_dstactive']); // force reloading complete list of subscribed mailboxes - $this->imap->clear_cache('mailboxes', true); + $this->storage->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']); - } } @@ -936,7 +601,7 @@ $host = null; if (is_array($default_host)) { - $post_host = get_input_value('_host', RCUBE_INPUT_POST); + $post_host = rcube_ui::get_input_value('_host', rcube_ui::INPUT_POST); // direct match in default_host array if ($default_host[$post_host] || in_array($post_host, array_values($default_host))) { @@ -944,190 +609,33 @@ } // try to select host by mail domain - list($user, $domain) = explode('@', get_input_value('_user', RCUBE_INPUT_POST)); + list($user, $domain) = explode('@', rcube_ui::get_input_value('_user', rcube_ui::INPUT_POST)); if (!empty($domain)) { - foreach ($default_host as $imap_host => $mail_domains) { - if (is_array($mail_domains) && in_array($domain, $mail_domains)) { - $host = $imap_host; + foreach ($default_host as $storage_host => $mail_domains) { + if (is_array($mail_domains) && in_array_nocase($domain, $mail_domains)) { + $host = $storage_host; + break; + } + else if (stripos($storage_host, $domain) !== false || stripos(strval($mail_domains), $domain) !== false) { + $host = is_numeric($storage_host) ? $mail_domains : $storage_host; break; } } } - // take the first entry if $host is still an array + // take the first entry if $host is still not set if (empty($host)) { - $host = array_shift($default_host); + list($key, $val) = each($default_host); + $host = is_numeric($key) ? $val : $key; } } else if (empty($default_host)) { - $host = get_input_value('_host', RCUBE_INPUT_POST); + $host = rcube_ui::get_input_value('_host', rcube_ui::INPUT_POST); } else - $host = rcube_parse_host($default_host); + $host = self::parse_host($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); - - $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 = $this->texts[$domain.'.'.$name])) - ; - // text does not exist - else if (!($text = $this->texts[$name])) { - return "[$name]"; - } - - // replace vars in text - if (is_array($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 strtr($text, array('\n' => "\n")); - } - - - /** - * 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; } @@ -1139,7 +647,7 @@ $this->plugins->exec_hook('session_destroy'); $this->session->kill(); - $_SESSION = array('language' => $this->user->language, 'temp' => true); + $_SESSION = array('language' => $this->user->language, 'temp' => true, 'skin' => $this->config->get('skin')); $this->user->reset(); } @@ -1156,15 +664,15 @@ if (!$this->session->check_auth()) return; - $this->imap_connect(); + $this->storage_connect(); } if ($config['logout_purge'] && !empty($config['trash_mbox'])) { - $this->imap->clear_mailbox($config['trash_mbox']); + $this->storage->clear_folder($config['trash_mbox']); } if ($config['logout_expunge']) { - $this->imap->expunge('INBOX'); + $this->storage->expunge_folder('INBOX'); } // Try to save unsaved user preferences @@ -1175,61 +683,14 @@ /** - * Function to be executed in script shutdown - * Registered with register_shutdown_function() + * Garbage collector for cache entries. + * Set flag to expunge caches on shutdown */ - public function shutdown() + function cache_gc() { - foreach ($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; + // because this gc function is called before storage is initialized, + // we just set a flag to expunge storage cache on shutdown. + $this->expunge_cache = true; } @@ -1242,7 +703,7 @@ { $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))); + $plugin = $this->plugins->exec_hook('request_token', array('value' => md5('RT' . $this->get_user_id() . $this->config->get('des_key') . $sess_id))); return $plugin['value']; } @@ -1253,9 +714,9 @@ * @param int Request method * @return boolean True if request token is valid false if not */ - public function check_request($mode = RCUBE_INPUT_POST) + public function check_request($mode = rcube_ui::INPUT_POST) { - $token = get_input_value('_token', $mode); + $token = rcube_ui::get_input_value('_token', $mode); $sess_id = $_COOKIE[ini_get('session.name')]; return !empty($sess_id) && $token == $this->get_request_token(); } @@ -1284,130 +745,6 @@ /** - * 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 @@ -1425,7 +762,7 @@ $url = './'; $delm = '?'; foreach (array_reverse($p) as $key => $val) { - if ($val !== '') { + if ($val !== '' && $val !== null) { $par = $key[0] == '_' ? $key : '_'.$key; $url .= $delm.urlencode($par).'='.urlencode($val); $delm = '&'; @@ -1436,110 +773,36 @@ /** - * Use imagemagick or GD lib to read image properties - * - * @param string Absolute file path - * @return mixed Hash array with image props like type, width, height or False on error + * Function to be executed in script shutdown */ - public static function imageprops($filepath) + public function shutdown() { - $rcmail = rcmail::get_instance(); - if ($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/!', '', $imsize['mime']); + parent::shutdown(); + + foreach ($this->address_books as $book) { + if (is_object($book) && is_a($book, 'rcube_addressbook')) + $book->close(); } - 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(" ", $parts); + // before closing the database connection, write session data + if ($_SERVER['REMOTE_ADDR'] && is_object($this->session)) { + session_write_close(); } - // use strtr behaviour of going through source string once - $cmd = strtr($cmd, $replacements); + // write performance stats to logs/console + if ($this->config->get('devel_mode')) { + if (function_exists('memory_get_usage')) + $mem = rcube_ui::show_bytes(memory_get_usage()); + if (function_exists('memory_get_peak_usage')) + $mem .= '/'.rcube_ui::show_bytes(memory_get_peak_usage()); - return (string)shell_exec($cmd); + $log = $this->task . ($this->action ? '/'.$this->action : '') . ($mem ? " [$mem]" : ''); + if (defined('RCMAIL_START')) + self::print_timer(RCMAIL_START, $log); + else + self::console($log); + } } - /** * Helper method to set a cookie with the current path and host settings @@ -1556,7 +819,7 @@ $cookie = session_get_cookie_params(); setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'], - rcube_https_check(), true); + rcube_ui::https_check(), true); } /** @@ -1596,7 +859,7 @@ */ private function fix_namespace_settings($user) { - $prefix = $this->imap->get_namespace('prefix'); + $prefix = $this->storage->get_namespace('prefix'); $prefix_len = strlen($prefix); if (!$prefix_len) @@ -1607,7 +870,7 @@ return; // Build namespace prefix regexp - $ns = $this->imap->get_namespace(); + $ns = $this->storage->get_namespace(); $regexp = array(); foreach ($ns as $entry) { @@ -1631,10 +894,10 @@ } } - if (!empty($prefs['default_imap_folders'])) { - foreach ($prefs['default_imap_folders'] as $idx => $name) { + if (!empty($prefs['default_folders'])) { + foreach ($prefs['default_folders'] as $idx => $name) { if ($name != 'INBOX' && !preg_match($regexp, $name)) { - $prefs['default_imap_folders'][$idx] = $prefix.$name; + $prefs['default_folders'][$idx] = $prefix.$name; } } } @@ -1684,7 +947,359 @@ // save updated preferences and reset imap settings (default folders) $user->save_prefs($prefs); - $this->set_imap_prop(); + $this->set_storage_prop(); } + + /** + * Overwrite action variable + * + * @param string New action value + */ + public function overwrite_action($action) + { + $this->action = $action; + $this->output->set_env('action', $action); + } + + + /** + * Send the given message using the configured method. + * + * @param object $message Reference to Mail_MIME object + * @param string $from Sender address string + * @param array $mailto Array of recipient address strings + * @param array $smtp_error SMTP error array (reference) + * @param string $body_file Location of file with saved message body (reference), + * used when delay_file_io is enabled + * @param array $smtp_opts SMTP options (e.g. DSN request) + * + * @return boolean Send status. + */ + public function deliver_message(&$message, $from, $mailto, &$smtp_error, &$body_file = null, $smtp_opts = null) + { + $headers = $message->headers(); + + // send thru SMTP server using custom SMTP library + if ($this->config->get('smtp_server')) { + // generate list of recipients + $a_recipients = array($mailto); + + if (strlen($headers['Cc'])) + $a_recipients[] = $headers['Cc']; + if (strlen($headers['Bcc'])) + $a_recipients[] = $headers['Bcc']; + + // clean Bcc from header for recipients + $send_headers = $headers; + unset($send_headers['Bcc']); + // here too, it because txtHeaders() below use $message->_headers not only $send_headers + unset($message->_headers['Bcc']); + + $smtp_headers = $message->txtHeaders($send_headers, true); + + if ($message->getParam('delay_file_io')) { + // use common temp dir + $temp_dir = $this->config->get('temp_dir'); + $body_file = tempnam($temp_dir, 'rcmMsg'); + if (PEAR::isError($mime_result = $message->saveMessageBody($body_file))) { + self::raise_error(array('code' => 650, 'type' => 'php', + 'file' => __FILE__, 'line' => __LINE__, + 'message' => "Could not create message: ".$mime_result->getMessage()), + TRUE, FALSE); + return false; + } + $msg_body = fopen($body_file, 'r'); + } + else { + $msg_body = $message->get(); + } + + // send message + if (!is_object($this->smtp)) { + $this->smtp_init(true); + } + + $sent = $this->smtp->send_mail($from, $a_recipients, $smtp_headers, $msg_body, $smtp_opts); + $smtp_response = $this->smtp->get_response(); + $smtp_error = $this->smtp->get_error(); + + // log error + if (!$sent) { + self::raise_error(array('code' => 800, 'type' => 'smtp', + 'line' => __LINE__, 'file' => __FILE__, + 'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE); + } + } + // send mail using PHP's mail() function + else { + // unset some headers because they will be added by the mail() function + $headers_enc = $message->headers($headers); + $headers_php = $message->_headers; + unset($headers_php['To'], $headers_php['Subject']); + + // reset stored headers and overwrite + $message->_headers = array(); + $header_str = $message->txtHeaders($headers_php); + + // #1485779 + if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { + if (preg_match_all('/<([^@]+@[^>]+)>/', $headers_enc['To'], $m)) { + $headers_enc['To'] = implode(', ', $m[1]); + } + } + + $msg_body = $message->get(); + + if (PEAR::isError($msg_body)) { + self::raise_error(array('code' => 650, 'type' => 'php', + 'file' => __FILE__, 'line' => __LINE__, + 'message' => "Could not create message: ".$msg_body->getMessage()), + TRUE, FALSE); + } + else { + $delim = $this->config->header_delimiter(); + $to = $headers_enc['To']; + $subject = $headers_enc['Subject']; + $header_str = rtrim($header_str); + + if ($delim != "\r\n") { + $header_str = str_replace("\r\n", $delim, $header_str); + $msg_body = str_replace("\r\n", $delim, $msg_body); + $to = str_replace("\r\n", $delim, $to); + $subject = str_replace("\r\n", $delim, $subject); + } + + if (ini_get('safe_mode')) + $sent = mail($to, $subject, $msg_body, $header_str); + else + $sent = mail($to, $subject, $msg_body, $header_str, "-f$from"); + } + } + + if ($sent) { + $this->plugins->exec_hook('message_sent', array('headers' => $headers, 'body' => $msg_body)); + + // remove MDN headers after sending + unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']); + + // get all recipients + if ($headers['Cc']) + $mailto .= $headers['Cc']; + if ($headers['Bcc']) + $mailto .= $headers['Bcc']; + if (preg_match_all('/<([^@]+@[^>]+)>/', $mailto, $m)) + $mailto = implode(', ', array_unique($m[1])); + + if ($this->config->get('smtp_log')) { + self::write_log('sendmail', sprintf("User %s [%s]; Message for %s; %s", + $this->user->get_username(), + $_SERVER['REMOTE_ADDR'], + $mailto, + !empty($smtp_response) ? join('; ', $smtp_response) : '')); + } + } + + if (is_resource($msg_body)) { + fclose($msg_body); + } + + $message->_headers = array(); + $message->headers($headers); + + return $sent; + } + + + /** + * Unique Message-ID generator. + * + * @return string Message-ID + */ + public function gen_message_id() + { + $local_part = md5(uniqid('rcmail'.mt_rand(),true)); + $domain_part = $this->user->get_username('domain'); + + // Try to find FQDN, some spamfilters doesn't like 'localhost' (#1486924) + if (!preg_match('/\.[a-z]+$/i', $domain_part)) { + foreach (array($_SERVER['HTTP_HOST'], $_SERVER['SERVER_NAME']) as $host) { + $host = preg_replace('/:[0-9]+$/', '', $host); + if ($host && preg_match('/\.[a-z]+$/i', $host)) { + $domain_part = $host; + } + } + } + + return sprintf('<%s@%s>', $local_part, $domain_part); + } + + + /** + * Returns RFC2822 formatted current date in user's timezone + * + * @return string Date + */ + public function user_date() + { + // get user's timezone + try { + $tz = new DateTimeZone($this->config->get('timezone')); + $date = new DateTime('now', $tz); + } + catch (Exception $e) { + $date = new DateTime(); + } + + return $date->format('r'); + } + + + /** + * E-mail address validation. + * + * @param string $email Email address + * @param boolean $dns_check True to check dns + * + * @return boolean True on success, False if address is invalid + */ + public function check_email($email, $dns_check=true) + { + // Check for invalid characters + if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $email)) { + return false; + } + + // Check for length limit specified by RFC 5321 (#1486453) + if (strlen($email) > 254) { + return false; + } + + $email_array = explode('@', $email); + + // Check that there's one @ symbol + if (count($email_array) < 2) { + return false; + } + + $domain_part = array_pop($email_array); + $local_part = implode('@', $email_array); + + // from PEAR::Validate + $regexp = '&^(?: + ("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name + ([-\w!\#\$%\&\'*+~/^`|{}=]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}=]+)*)) #2 OR dot-atom (RFC5322) + $&xi'; + + if (!preg_match($regexp, $local_part)) { + return false; + } + + // Check domain part + if (preg_match('/^\[*(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}\]*$/', $domain_part)) { + return true; // IP address + } + else { + // If not an IP address + $domain_array = explode('.', $domain_part); + // Not enough parts to be a valid domain + if (sizeof($domain_array) < 2) { + return false; + } + + foreach ($domain_array as $part) { + if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part)) { + return false; + } + } + + if (!$dns_check || !$this->config->get('email_dns_check')) { + return true; + } + + if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) { + $lookup = array(); + @exec("nslookup -type=MX " . escapeshellarg($domain_part) . " 2>&1", $lookup); + foreach ($lookup as $line) { + if (strpos($line, 'MX preference')) { + return true; + } + } + return false; + } + + // find MX record(s) + if (getmxrr($domain_part, $mx_records)) { + return true; + } + + // find any DNS record + if (checkdnsrr($domain_part, 'ANY')) { + return true; + } + } + + return false; + } + + + /** + * Write login data (name, ID, IP address) to the 'userlogins' log file. + */ + public function log_login() + { + if (!$this->config->get('log_logins')) { + return; + } + + $user_name = $this->get_user_name(); + $user_id = $this->get_user_id(); + + if (!$user_id) { + return; + } + + self::write_log('userlogins', + sprintf('Successful login for %s (ID: %d) from %s in session %s', + $user_name, $user_id, self::remote_ip(), session_id())); + } + + + /** + * Check whether the HTTP referer matches the current request + * + * @return boolean True if referer is the same host+path, false if not + */ + public static function check_referer() + { + $uri = parse_url($_SERVER['REQUEST_URI']); + $referer = parse_url(rcube_request_header('Referer')); + return $referer['host'] == rcube_request_header('Host') && $referer['path'] == $uri['path']; + } + + + /** + * Garbage collector function for temp files. + * Remove temp files older than two days + */ + public function temp_gc() + { + $tmp = unslashify($this->config->get('temp_dir')); + $expire = mktime() - 172800; // expire in 48 hours + + if ($dir = opendir($tmp)) { + while (($fname = readdir($dir)) !== false) { + if ($fname{0} == '.') { + continue; + } + + if (filemtime($tmp.'/'.$fname) < $expire) { + @unlink($tmp.'/'.$fname); + } + } + + closedir($dir); + } + } + } -- Gitblit v1.9.1