| | |
| | | |
| | | /* |
| | | +-----------------------------------------------------------------------+ |
| | | | program/include/rcmail.php | |
| | | | program/include/rcube.php | |
| | | | | |
| | | | This file is part of the Roundcube Webmail client | |
| | | | Copyright (C) 2008-2012, The Roundcube Dev Team | |
| | |
| | | +-----------------------------------------------------------------------+ |
| | | | Author: Thomas Bruederli <roundcube@gmail.com> | |
| | | +-----------------------------------------------------------------------+ |
| | | |
| | | $Id$ |
| | | |
| | | */ |
| | | |
| | | |
| | |
| | | * Base class of the Roundcube Framework |
| | | * implemented as singleton |
| | | * |
| | | * @package Core |
| | | * @package Framework |
| | | * @subpackage Core |
| | | */ |
| | | class rcube |
| | | { |
| | | const INIT_WITH_DB = 1; |
| | | const INIT_WITH_PLUGINS = 2; |
| | | const INIT_WITH_DB = 1; |
| | | const INIT_WITH_PLUGINS = 2; |
| | | |
| | | /** |
| | | * Singleton instace of rcmail |
| | | * |
| | | * @var rcmail |
| | | */ |
| | | static protected $instance; |
| | | |
| | | /** |
| | | * Stores instance of rcube_config. |
| | | * |
| | | * @var rcube_config |
| | | */ |
| | | public $config; |
| | | |
| | | /** |
| | | * 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_storage class. |
| | | * |
| | | * @var rcube_storage |
| | | */ |
| | | public $storage; |
| | | |
| | | /** |
| | | * Instance of rcube_output class. |
| | | * |
| | | * @var rcube_output |
| | | */ |
| | | public $output; |
| | | |
| | | /** |
| | | * Instance of rcube_plugin_api. |
| | | * |
| | | * @var rcube_plugin_api |
| | | */ |
| | | public $plugins; |
| | | |
| | | |
| | | /* private/protected vars */ |
| | | protected $texts; |
| | | protected $caches = array(); |
| | | protected $shutdown_functions = array(); |
| | | protected $expunge_cache = false; |
| | | |
| | | |
| | | /** |
| | | * This implements the 'singleton' design pattern |
| | | * |
| | | * @return rcmail The one and only instance |
| | | */ |
| | | static function get_instance() |
| | | { |
| | | if (!self::$instance) { |
| | | self::$instance = new rcube(); |
| | | } |
| | | |
| | | return self::$instance; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Private constructor |
| | | */ |
| | | protected function __construct() |
| | | { |
| | | // load configuration |
| | | $this->config = new rcube_config(); |
| | | $this->plugins = new rcube_dummy_plugin_api; |
| | | |
| | | register_shutdown_function(array($this, 'shutdown')); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Initial startup function |
| | | */ |
| | | protected function init($mode = 0) |
| | | { |
| | | // initialize syslog |
| | | if ($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, $syslog_facility); |
| | | } |
| | | |
| | | // connect to database |
| | | if ($mode & self::INIT_WITH_DB) { |
| | | $this->get_dbh(); |
| | | } |
| | | |
| | | // create plugin API and load plugins |
| | | if ($mode & self::INIT_WITH_PLUGINS) { |
| | | $this->plugins = rcube_plugin_api::get_instance(); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the current database connection |
| | | * |
| | | * @return rcube_mdb2 Database connection object |
| | | */ |
| | | public function get_dbh() |
| | | { |
| | | if (!$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--; |
| | | self::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]; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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) |
| | | $this->smtp->connect(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Initialize and get storage object |
| | | * |
| | | * @return rcube_storage Storage object |
| | | */ |
| | | public function get_storage() |
| | | { |
| | | // already initialized |
| | | if (!is_object($this->storage)) { |
| | | $this->storage_init(); |
| | | } |
| | | |
| | | return $this->storage; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Initialize storage object |
| | | */ |
| | | public function storage_init() |
| | | { |
| | | // already initialized |
| | | if (is_object($this->storage)) { |
| | | return; |
| | | } |
| | | |
| | | $driver = $this->config->get('storage_driver', 'imap'); |
| | | $driver_class = "rcube_{$driver}"; |
| | | |
| | | if (!class_exists($driver_class)) { |
| | | self::raise_error(array( |
| | | 'code' => 700, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Storage driver class ($driver) not found!"), |
| | | true, true); |
| | | } |
| | | |
| | | // Initialize storage object |
| | | $this->storage = new $driver_class; |
| | | |
| | | // for backward compat. (deprecated, will be removed) |
| | | $this->imap = $this->storage; |
| | | |
| | | // enable caching of mail data |
| | | $storage_cache = $this->config->get("{$driver}_cache"); |
| | | $messages_cache = $this->config->get('messages_cache'); |
| | | // for backward compatybility |
| | | if ($storage_cache === null && $messages_cache === null && $this->config->get('enable_caching')) { |
| | | $storage_cache = 'db'; |
| | | $messages_cache = true; |
| | | } |
| | | |
| | | if ($storage_cache) |
| | | $this->storage->set_caching($storage_cache); |
| | | if ($messages_cache) |
| | | $this->storage->set_messages_caching(true); |
| | | |
| | | // set pagesize from config |
| | | $pagesize = $this->config->get('mail_pagesize'); |
| | | if (!$pagesize) { |
| | | $pagesize = $this->config->get('pagesize', 50); |
| | | } |
| | | $this->storage->set_pagesize($pagesize); |
| | | |
| | | // set class options |
| | | $options = array( |
| | | 'auth_type' => $this->config->get("{$driver}_auth_type", 'check'), |
| | | 'auth_cid' => $this->config->get("{$driver}_auth_cid"), |
| | | 'auth_pw' => $this->config->get("{$driver}_auth_pw"), |
| | | 'debug' => (bool) $this->config->get("{$driver}_debug"), |
| | | 'force_caps' => (bool) $this->config->get("{$driver}_force_caps"), |
| | | 'timeout' => (int) $this->config->get("{$driver}_timeout"), |
| | | 'skip_deleted' => (bool) $this->config->get('skip_deleted'), |
| | | 'driver' => $driver, |
| | | ); |
| | | |
| | | if (!empty($_SESSION['storage_host'])) { |
| | | $options['host'] = $_SESSION['storage_host']; |
| | | $options['user'] = $_SESSION['username']; |
| | | $options['port'] = $_SESSION['storage_port']; |
| | | $options['ssl'] = $_SESSION['storage_ssl']; |
| | | $options['password'] = $this->decrypt($_SESSION['password']); |
| | | } |
| | | |
| | | $options = $this->plugins->exec_hook("storage_init", $options); |
| | | |
| | | // for backward compat. (deprecated, to be removed) |
| | | $options = $this->plugins->exec_hook("imap_init", $options); |
| | | |
| | | $this->storage->set_options($options); |
| | | $this->set_storage_prop(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Connect to the mail storage server with stored session data |
| | | * |
| | | * @return bool True on success, False on error |
| | | */ |
| | | public function storage_connect() |
| | | { |
| | | $storage = $this->get_storage(); |
| | | |
| | | if ($_SESSION['storage_host'] && !$storage->is_connected()) { |
| | | $host = $_SESSION['storage_host']; |
| | | $user = $_SESSION['username']; |
| | | $port = $_SESSION['storage_port']; |
| | | $ssl = $_SESSION['storage_ssl']; |
| | | $pass = $this->decrypt($_SESSION['password']); |
| | | |
| | | if (!$storage->connect($host, $user, $pass, $port, $ssl)) { |
| | | if (is_object($this->output)) |
| | | $this->output->show_message($storage->get_error_code() == -1 ? 'storageerror' : 'sessionerror', 'error'); |
| | | } |
| | | else { |
| | | $this->set_storage_prop(); |
| | | return $storage->is_connected(); |
| | | } |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * Set storage parameters. |
| | | * This must be done AFTER connecting to the server! |
| | | */ |
| | | protected function set_storage_prop() |
| | | { |
| | | $storage = $this->get_storage(); |
| | | |
| | | $storage->set_charset($this->config->get('default_charset', RCMAIL_CHARSET)); |
| | | |
| | | if ($default_folders = $this->config->get('default_folders')) { |
| | | $storage->set_default_folders($default_folders); |
| | | } |
| | | if (isset($_SESSION['mbox'])) { |
| | | $storage->set_folder($_SESSION['mbox']); |
| | | } |
| | | if (isset($_SESSION['page'])) { |
| | | $storage->set_page($_SESSION['page']); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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 += $add; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Check the given string and return a valid language code |
| | | * |
| | | * @param string Language code |
| | | * @return string Valid language code |
| | | */ |
| | | protected function language_prop($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; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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 |
| | | /** |
| | | * Singleton instace of rcube |
| | | * |
| | | * @var rcmail |
| | | */ |
| | | $clear = pack("a*H2", $clear, "80"); |
| | | static protected $instance; |
| | | |
| | | if (function_exists('mcrypt_module_open') && |
| | | ($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 { |
| | | self::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 { |
| | | self::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 |
| | | /** |
| | | * Stores instance of rcube_config. |
| | | * |
| | | * @var rcube_config |
| | | */ |
| | | $clear = substr(rtrim($clear, "\0"), 0, -1); |
| | | public $config; |
| | | |
| | | return $clear; |
| | | } |
| | | /** |
| | | * Instace of database class. |
| | | * |
| | | * @var rcube_db |
| | | */ |
| | | public $db; |
| | | |
| | | /** |
| | | * Generates encryption initialization vector (IV) |
| | | * |
| | | * @param int Vector size |
| | | * @return string Vector string |
| | | */ |
| | | private function create_iv($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; |
| | | } |
| | | /** |
| | | * Instace of Memcache class. |
| | | * |
| | | * @var Memcache |
| | | */ |
| | | 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_storage class. |
| | | * |
| | | * @var rcube_storage |
| | | */ |
| | | public $storage; |
| | | |
| | | /** |
| | | * Instance of rcube_output class. |
| | | * |
| | | * @var rcube_output |
| | | */ |
| | | public $output; |
| | | |
| | | /** |
| | | * Instance of rcube_plugin_api. |
| | | * |
| | | * @var rcube_plugin_api |
| | | */ |
| | | public $plugins; |
| | | |
| | | |
| | | /** |
| | | * Build a valid URL to this instance of Roundcube |
| | | * |
| | | * @param mixed Either a string with the action or url parameters as key-value pairs |
| | | * @return string Valid application URL |
| | | */ |
| | | public function url($p) |
| | | { |
| | | // STUB: should be overloaded by the application |
| | | return ''; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Function to be executed in script shutdown |
| | | * Registered with register_shutdown_function() |
| | | */ |
| | | public function shutdown() |
| | | { |
| | | foreach ($this->shutdown_functions as $function) |
| | | call_user_func($function); |
| | | |
| | | if (is_object($this->smtp)) |
| | | $this->smtp->disconnect(); |
| | | |
| | | foreach ($this->caches as $cache) { |
| | | if (is_object($cache)) |
| | | $cache->close(); |
| | | } |
| | | |
| | | if (is_object($this->storage)) { |
| | | if ($this->expunge_cache) |
| | | $this->storage->expunge_cache(); |
| | | $this->storage->close(); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Registers shutdown function to be executed on shutdown. |
| | | * The functions will be executed before destroying any |
| | | * objects like smtp, imap, session, etc. |
| | | * |
| | | * @param callback Function callback |
| | | */ |
| | | public function add_shutdown_function($function) |
| | | { |
| | | $this->shutdown_functions[] = $function; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Use imagemagick or GD lib to read image properties |
| | | * |
| | | * @param string Absolute file path |
| | | * @return mixed Hash array with image props like type, width, height or False on error |
| | | */ |
| | | public static function imageprops($filepath) |
| | | { |
| | | $rcube = self::get_instance(); |
| | | if ($cmd = $rcube->config->get('im_identify_path', false)) { |
| | | list(, $type, $size) = explode(' ', strtolower(self::exec($cmd. ' 2>/dev/null {in}', array('in' => $filepath)))); |
| | | if ($size) |
| | | list($width, $height) = explode('x', $size); |
| | | } |
| | | else if (function_exists('getimagesize')) { |
| | | $imsize = @getimagesize($filepath); |
| | | $width = $imsize[0]; |
| | | $height = $imsize[1]; |
| | | $type = preg_replace('!image/!', '', $imsize['mime']); |
| | | } |
| | | |
| | | return $type ? array('type' => $type, 'width' => $width, 'height' => $height) : false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Convert an image to a given size and type using imagemagick (ensures input is an image) |
| | | * |
| | | * @param $p['in'] Input filename (mandatory) |
| | | * @param $p['out'] Output filename (mandatory) |
| | | * @param $p['size'] Width x height of resulting image, e.g. "160x60" |
| | | * @param $p['type'] Output file type, e.g. "jpg" |
| | | * @param $p['-opts'] Custom command line options to ImageMagick convert |
| | | * @return Success of convert as true/false |
| | | */ |
| | | public static function imageconvert($p) |
| | | { |
| | | $result = false; |
| | | $rcube = self::get_instance(); |
| | | $convert = $rcube->config->get('im_convert_path', false); |
| | | $identify = $rcube->config->get('im_identify_path', false); |
| | | |
| | | // imagemagick is required for this |
| | | if (!$convert) |
| | | return false; |
| | | |
| | | if (!(($imagetype = @exif_imagetype($p['in'])) && ($type = image_type_to_extension($imagetype, false)))) |
| | | list(, $type) = explode(' ', strtolower(self::exec($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? |
| | | $result = self::exec($convert . ' 2>&1 -flatten -auto-orient -colorspace RGB -quality {quality} {-opts} {in} {type}:{out}', $p) === ""; |
| | | |
| | | return $result; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Construct shell command, execute it and return output as string. |
| | | * Keywords {keyword} are replaced with arguments |
| | | * |
| | | * @param $cmd Format string with {keywords} to be replaced |
| | | * @param $values (zero, one or more arrays can be passed) |
| | | * @return output of command. shell errors not detectable |
| | | */ |
| | | public static function exec(/* $cmd, $values1 = array(), ... */) |
| | | { |
| | | $args = func_get_args(); |
| | | $cmd = array_shift($args); |
| | | $values = $replacements = array(); |
| | | |
| | | // merge values into one array |
| | | foreach ($args as $arg) |
| | | $values += (array)$arg; |
| | | |
| | | preg_match_all('/({(-?)([a-z]\w*)})/', $cmd, $matches, PREG_SET_ORDER); |
| | | foreach ($matches as $tags) { |
| | | list(, $tag, $option, $key) = $tags; |
| | | $parts = array(); |
| | | |
| | | if ($option) { |
| | | foreach ((array)$values["-$key"] as $key => $value) { |
| | | if ($value === true || $value === false || $value === null) |
| | | $parts[] = $value ? $key : ""; |
| | | else foreach ((array)$value as $val) |
| | | $parts[] = "$key " . escapeshellarg($val); |
| | | } |
| | | } |
| | | else { |
| | | foreach ((array)$values[$key] as $value) |
| | | $parts[] = escapeshellarg($value); |
| | | } |
| | | |
| | | $replacements[$tag] = join(" ", $parts); |
| | | } |
| | | |
| | | // use strtr behaviour of going through source string once |
| | | $cmd = strtr($cmd, $replacements); |
| | | |
| | | return (string)shell_exec($cmd); |
| | | } |
| | | /* private/protected vars */ |
| | | protected $texts; |
| | | protected $caches = array(); |
| | | protected $shutdown_functions = array(); |
| | | protected $expunge_cache = false; |
| | | |
| | | |
| | | /** |
| | | * Replaces hostname variables. |
| | | * This implements the 'singleton' design pattern |
| | | * |
| | | * @param string $name Hostname |
| | | * @param string $host Optional IMAP hostname |
| | | * @param integer Options to initialize with this instance. See rcube::INIT_WITH_* constants |
| | | * |
| | | * @return string Hostname |
| | | * @return rcube The one and only instance |
| | | */ |
| | | public static function parse_host($name, $host = '') |
| | | static function get_instance($mode = 0) |
| | | { |
| | | // %n - host |
| | | $n = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']); |
| | | // %d - domain name without first part, e.g. %n=mail.domain.tld, %d=domain.tld |
| | | $d = preg_replace('/^[^\.]+\./', '', $n); |
| | | // %h - IMAP host |
| | | $h = $_SESSION['storage_host'] ? $_SESSION['storage_host'] : $host; |
| | | // %z - IMAP domain without first part, e.g. %h=imap.domain.tld, %z=domain.tld |
| | | $z = preg_replace('/^[^\.]+\./', '', $h); |
| | | // %s - domain name after the '@' from e-mail address provided at login screen. Returns FALSE if an invalid email is provided |
| | | if (strpos($name, '%s') !== false) { |
| | | $user_email = rcube_ui::get_input_value('_user', rcube_ui::INPUT_POST); |
| | | $user_email = rcube_idn_convert($user_email, true); |
| | | $matches = preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s); |
| | | if ($matches < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false) { |
| | | if (!self::$instance) { |
| | | self::$instance = new rcube(); |
| | | self::$instance->init($mode); |
| | | } |
| | | |
| | | return self::$instance; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Private constructor |
| | | */ |
| | | protected function __construct() |
| | | { |
| | | // load configuration |
| | | $this->config = new rcube_config; |
| | | $this->plugins = new rcube_dummy_plugin_api; |
| | | |
| | | register_shutdown_function(array($this, 'shutdown')); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Initial startup function |
| | | */ |
| | | protected function init($mode = 0) |
| | | { |
| | | // initialize syslog |
| | | if ($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, $syslog_facility); |
| | | } |
| | | |
| | | // connect to database |
| | | if ($mode & self::INIT_WITH_DB) { |
| | | $this->get_dbh(); |
| | | } |
| | | |
| | | // create plugin API and load plugins |
| | | if ($mode & self::INIT_WITH_PLUGINS) { |
| | | $this->plugins = rcube_plugin_api::get_instance(); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get the current database connection |
| | | * |
| | | * @return rcube_db Database object |
| | | */ |
| | | public function get_dbh() |
| | | { |
| | | if (!$this->db) { |
| | | $config_all = $this->config->all(); |
| | | $this->db = rcube_db::factory($config_all['db_dsnw'], $config_all['db_dsnr'], $config_all['db_persistent']); |
| | | $this->db->set_debug((bool)$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 all configured hosts to pool |
| | | $pconnect = $this->config->get('memcache_pconnect', true); |
| | | foreach ($this->config->get('memcache_hosts', array()) as $host) { |
| | | if (substr($host, 0, 7) != 'unix://') { |
| | | list($host, $port) = explode(':', $host); |
| | | if (!$port) $port = 11211; |
| | | } |
| | | else { |
| | | $port = 0; |
| | | } |
| | | |
| | | $this->mc_available += intval($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; |
| | | } |
| | | } |
| | | |
| | | $name = str_replace(array('%n', '%d', '%h', '%z', '%s'), array($n, $d, $h, $z, $s[2]), $name); |
| | | return $name; |
| | | 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--; |
| | | self::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 string $ttl Expiration time for cache items |
| | | * @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[$name]) && ($userid = $this->get_user_id())) { |
| | | $this->caches[$name] = new rcube_cache($type, $userid, $name, $ttl, $packed); |
| | | } |
| | | |
| | | return $this->caches[$name]; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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) { |
| | | $this->smtp->connect(); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Initialize and get storage object |
| | | * |
| | | * @return rcube_storage Storage object |
| | | */ |
| | | public function get_storage() |
| | | { |
| | | // already initialized |
| | | if (!is_object($this->storage)) { |
| | | $this->storage_init(); |
| | | } |
| | | |
| | | return $this->storage; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Initialize storage object |
| | | */ |
| | | public function storage_init() |
| | | { |
| | | // already initialized |
| | | if (is_object($this->storage)) { |
| | | return; |
| | | } |
| | | |
| | | $driver = $this->config->get('storage_driver', 'imap'); |
| | | $driver_class = "rcube_{$driver}"; |
| | | |
| | | if (!class_exists($driver_class)) { |
| | | self::raise_error(array( |
| | | 'code' => 700, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Storage driver class ($driver) not found!"), |
| | | true, true); |
| | | } |
| | | |
| | | // Initialize storage object |
| | | $this->storage = new $driver_class; |
| | | |
| | | // for backward compat. (deprecated, will be removed) |
| | | $this->imap = $this->storage; |
| | | |
| | | // enable caching of mail data |
| | | $storage_cache = $this->config->get("{$driver}_cache"); |
| | | $messages_cache = $this->config->get('messages_cache'); |
| | | // for backward compatybility |
| | | if ($storage_cache === null && $messages_cache === null && $this->config->get('enable_caching')) { |
| | | $storage_cache = 'db'; |
| | | $messages_cache = true; |
| | | } |
| | | |
| | | if ($storage_cache) { |
| | | $this->storage->set_caching($storage_cache); |
| | | } |
| | | if ($messages_cache) { |
| | | $this->storage->set_messages_caching(true); |
| | | } |
| | | |
| | | // set pagesize from config |
| | | $pagesize = $this->config->get('mail_pagesize'); |
| | | if (!$pagesize) { |
| | | $pagesize = $this->config->get('pagesize', 50); |
| | | } |
| | | $this->storage->set_pagesize($pagesize); |
| | | |
| | | // set class options |
| | | $options = array( |
| | | 'auth_type' => $this->config->get("{$driver}_auth_type", 'check'), |
| | | 'auth_cid' => $this->config->get("{$driver}_auth_cid"), |
| | | 'auth_pw' => $this->config->get("{$driver}_auth_pw"), |
| | | 'debug' => (bool) $this->config->get("{$driver}_debug"), |
| | | 'force_caps' => (bool) $this->config->get("{$driver}_force_caps"), |
| | | 'timeout' => (int) $this->config->get("{$driver}_timeout"), |
| | | 'skip_deleted' => (bool) $this->config->get('skip_deleted'), |
| | | 'driver' => $driver, |
| | | ); |
| | | |
| | | if (!empty($_SESSION['storage_host'])) { |
| | | $options['host'] = $_SESSION['storage_host']; |
| | | $options['user'] = $_SESSION['username']; |
| | | $options['port'] = $_SESSION['storage_port']; |
| | | $options['ssl'] = $_SESSION['storage_ssl']; |
| | | $options['password'] = $this->decrypt($_SESSION['password']); |
| | | $_SESSION[$driver.'_host'] = $_SESSION['storage_host']; |
| | | } |
| | | |
| | | $options = $this->plugins->exec_hook("storage_init", $options); |
| | | |
| | | // for backward compat. (deprecated, to be removed) |
| | | $options = $this->plugins->exec_hook("imap_init", $options); |
| | | |
| | | $this->storage->set_options($options); |
| | | $this->set_storage_prop(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Set storage parameters. |
| | | * This must be done AFTER connecting to the server! |
| | | */ |
| | | protected function set_storage_prop() |
| | | { |
| | | $storage = $this->get_storage(); |
| | | |
| | | $storage->set_charset($this->config->get('default_charset', RCMAIL_CHARSET)); |
| | | |
| | | if ($default_folders = $this->config->get('default_folders')) { |
| | | $storage->set_default_folders($default_folders); |
| | | } |
| | | if (isset($_SESSION['mbox'])) { |
| | | $storage->set_folder($_SESSION['mbox']); |
| | | } |
| | | if (isset($_SESSION['page'])) { |
| | | $storage->set_page($_SESSION['page']); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Create session object and start the session. |
| | | */ |
| | | public function session_init() |
| | | { |
| | | // session started (Installer?) |
| | | if (session_id()) { |
| | | return; |
| | | } |
| | | |
| | | $sess_name = $this->config->get('session_name'); |
| | | $sess_domain = $this->config->get('session_domain'); |
| | | $sess_path = $this->config->get('session_path'); |
| | | $lifetime = $this->config->get('session_lifetime', 0) * 60; |
| | | |
| | | // set session domain |
| | | if ($sess_domain) { |
| | | ini_set('session.cookie_domain', $sess_domain); |
| | | } |
| | | // set session path |
| | | if ($sess_path) { |
| | | ini_set('session.cookie_path', $sess_path); |
| | | } |
| | | // set session garbage collecting time according to session_lifetime |
| | | if ($lifetime) { |
| | | ini_set('session.gc_maxlifetime', $lifetime * 2); |
| | | } |
| | | |
| | | ini_set('session.cookie_secure', rcube_utils::https_check()); |
| | | ini_set('session.name', $sess_name ? $sess_name : 'roundcube_sessid'); |
| | | ini_set('session.use_cookies', 1); |
| | | ini_set('session.use_only_cookies', 1); |
| | | ini_set('session.serialize_handler', 'php'); |
| | | ini_set('session.cookie_httponly', 1); |
| | | |
| | | // use database for storing session data |
| | | $this->session = new rcube_session($this->get_dbh(), $this->config); |
| | | |
| | | $this->session->register_gc_handler(array($this, 'temp_gc')); |
| | | $this->session->register_gc_handler(array($this, 'cache_gc')); |
| | | |
| | | // start PHP session (if not in CLI mode) |
| | | if ($_SERVER['REMOTE_ADDR']) { |
| | | session_start(); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Configure session object internals |
| | | */ |
| | | public function session_configure() |
| | | { |
| | | if (!$this->session) { |
| | | return; |
| | | } |
| | | |
| | | $lifetime = $this->config->get('session_lifetime', 0) * 60; |
| | | $keep_alive = $this->config->get('keep_alive'); |
| | | |
| | | // set keep-alive/check-recent interval |
| | | if ($keep_alive) { |
| | | // be sure that it's less than session lifetime |
| | | if ($lifetime) { |
| | | $keep_alive = min($keep_alive, $lifetime - 30); |
| | | } |
| | | $keep_alive = max(60, $keep_alive); |
| | | $this->session->set_keep_alive($keep_alive); |
| | | } |
| | | |
| | | $this->session->set_secret($this->config->get('des_key') . dirname($_SERVER['SCRIPT_NAME'])); |
| | | $this->session->set_ip_check($this->config->get('ip_check')); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Garbage collector function for temp files. |
| | | * Remove temp files older than two days |
| | | */ |
| | | public function temp_gc() |
| | | { |
| | | $tmp = unslashify($this->config->get('temp_dir')); |
| | | $expire = time() - 172800; // expire in 48 hours |
| | | |
| | | if ($tmp && ($dir = opendir($tmp))) { |
| | | while (($fname = readdir($dir)) !== false) { |
| | | if ($fname{0} == '.') { |
| | | continue; |
| | | } |
| | | |
| | | if (filemtime($tmp.'/'.$fname) < $expire) { |
| | | @unlink($tmp.'/'.$fname); |
| | | } |
| | | } |
| | | |
| | | closedir($dir); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Garbage collector for cache entries. |
| | | * Set flag to expunge caches on shutdown |
| | | */ |
| | | public function cache_gc() |
| | | { |
| | | // 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; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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 |
| | | * @param array Additional text labels/messages |
| | | */ |
| | | 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' && $lang != 'en_US' && 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 += $add; |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Check the given string and return a valid language code |
| | | * |
| | | * @param string Language code |
| | | * |
| | | * @return string Valid language code |
| | | */ |
| | | protected function language_prop($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; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 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 { |
| | | self::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 { |
| | | self::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 |
| | | * rcube::encrypt() and http://php.net/mcrypt_generic#68082 |
| | | */ |
| | | $clear = substr(rtrim($clear, "\0"), 0, -1); |
| | | |
| | | return $clear; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Generates encryption initialization vector (IV) |
| | | * |
| | | * @param int Vector size |
| | | * |
| | | * @return string Vector string |
| | | */ |
| | | private function create_iv($size) |
| | | { |
| | | // mcrypt_create_iv() can be slow when system lacks entrophy |
| | | // we'll generate IV vector manually |
| | | $iv = ''; |
| | | for ($i = 0; $i < $size; $i++) { |
| | | $iv .= chr(mt_rand(0, 255)); |
| | | } |
| | | |
| | | return $iv; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Build a valid URL to this instance of Roundcube |
| | | * |
| | | * @param mixed Either a string with the action or url parameters as key-value pairs |
| | | * @return string Valid application URL |
| | | */ |
| | | public function url($p) |
| | | { |
| | | // STUB: should be overloaded by the application |
| | | return ''; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Function to be executed in script shutdown |
| | | * Registered with register_shutdown_function() |
| | | */ |
| | | public function shutdown() |
| | | { |
| | | foreach ($this->shutdown_functions as $function) { |
| | | call_user_func($function); |
| | | } |
| | | |
| | | if (is_object($this->smtp)) { |
| | | $this->smtp->disconnect(); |
| | | } |
| | | |
| | | foreach ($this->caches as $cache) { |
| | | if (is_object($cache)) { |
| | | $cache->close(); |
| | | } |
| | | } |
| | | |
| | | if (is_object($this->storage)) { |
| | | if ($this->expunge_cache) { |
| | | $this->storage->expunge_cache(); |
| | | } |
| | | $this->storage->close(); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Registers shutdown function to be executed on shutdown. |
| | | * The functions will be executed before destroying any |
| | | * objects like smtp, imap, session, etc. |
| | | * |
| | | * @param callback Function callback |
| | | */ |
| | | public function add_shutdown_function($function) |
| | | { |
| | | $this->shutdown_functions[] = $function; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Construct shell command, execute it and return output as string. |
| | | * Keywords {keyword} are replaced with arguments |
| | | * |
| | | * @param $cmd Format string with {keywords} to be replaced |
| | | * @param $values (zero, one or more arrays can be passed) |
| | | * |
| | | * @return output of command. shell errors not detectable |
| | | */ |
| | | public static function exec(/* $cmd, $values1 = array(), ... */) |
| | | { |
| | | $args = func_get_args(); |
| | | $cmd = array_shift($args); |
| | | $values = $replacements = array(); |
| | | |
| | | // merge values into one array |
| | | foreach ($args as $arg) { |
| | | $values += (array)$arg; |
| | | } |
| | | |
| | | preg_match_all('/({(-?)([a-z]\w*)})/', $cmd, $matches, PREG_SET_ORDER); |
| | | foreach ($matches as $tags) { |
| | | list(, $tag, $option, $key) = $tags; |
| | | $parts = array(); |
| | | |
| | | if ($option) { |
| | | foreach ((array)$values["-$key"] as $key => $value) { |
| | | if ($value === true || $value === false || $value === null) { |
| | | $parts[] = $value ? $key : ""; |
| | | } |
| | | else { |
| | | foreach ((array)$value as $val) { |
| | | $parts[] = "$key " . escapeshellarg($val); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | else { |
| | | foreach ((array)$values[$key] as $value) { |
| | | $parts[] = escapeshellarg($value); |
| | | } |
| | | } |
| | | |
| | | $replacements[$tag] = join(" ", $parts); |
| | | } |
| | | |
| | | // use strtr behaviour of going through source string once |
| | | $cmd = strtr($cmd, $replacements); |
| | | |
| | | return (string)shell_exec($cmd); |
| | | } |
| | | |
| | | |
| | |
| | | { |
| | | $args = func_get_args(); |
| | | |
| | | if (class_exists('rcmail', false)) { |
| | | if (class_exists('rcube', false)) { |
| | | $rcube = self::get_instance(); |
| | | if (is_object($rcube->plugins)) { |
| | | $plugin = $rcube->plugins->exec_hook('console', array('args' => $args)); |
| | | if ($plugin['abort']) { |
| | | return; |
| | | } |
| | | $args = $plugin['args']; |
| | | $plugin = $rcube->plugins->exec_hook('console', array('args' => $args)); |
| | | if ($plugin['abort']) { |
| | | return; |
| | | } |
| | | $args = $plugin['args']; |
| | | } |
| | | |
| | | $msg = array(); |
| | |
| | | */ |
| | | public static function raise_error($arg = array(), $log = false, $terminate = false) |
| | | { |
| | | // handle PHP exceptions |
| | | if (is_object($arg) && is_a($arg, 'Exception')) { |
| | | $err = array( |
| | | 'type' => 'php', |
| | | 'code' => $arg->getCode(), |
| | | 'line' => $arg->getLine(), |
| | | 'file' => $arg->getFile(), |
| | | 'message' => $arg->getMessage(), |
| | | ); |
| | | $arg = $err; |
| | | } |
| | | |
| | | // installer |
| | | if (class_exists('rcube_install', false)) { |
| | | $rci = rcube_install::get_instance(); |
| | |
| | | return; |
| | | } |
| | | |
| | | if ($log && $arg['type'] && $arg['message']) { |
| | | if (($log || $terminate) && $arg['type'] && $arg['message']) { |
| | | $arg['fatal'] = $terminate; |
| | | self::log_bug($arg); |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | // write error to local log file |
| | | if ($level & 1) { |
| | | if (($level & 1) || !empty($arg_arr['fatal'])) { |
| | | if ($_SERVER['REQUEST_METHOD'] == 'POST') { |
| | | $post_query = '?_task='.urlencode($_POST['_task']).'&_action='.urlencode($_POST['_action']); |
| | | } |
| | |
| | | print '<br />'; |
| | | flush(); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Returns remote IP address and forwarded addresses if found |
| | | * |
| | | * @return string Remote IP address(es) |
| | | */ |
| | | public static function remote_ip() |
| | | { |
| | | $address = $_SERVER['REMOTE_ADDR']; |
| | | |
| | | // append the NGINX X-Real-IP header, if set |
| | | if (!empty($_SERVER['HTTP_X_REAL_IP'])) { |
| | | $remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP']; |
| | | } |
| | | // append the X-Forwarded-For header, if set |
| | | if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { |
| | | $remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR']; |
| | | } |
| | | |
| | | if (!empty($remote_ip)) { |
| | | $address .= '(' . implode(',', $remote_ip) . ')'; |
| | | } |
| | | |
| | | return $address; |
| | | } |
| | | |
| | | |
| | |
| | | if (is_object($this->user)) { |
| | | return $this->user->ID; |
| | | } |
| | | else if (isset($_SESSION['user_id'])) { |
| | | return $_SESSION['user_id']; |
| | | } |
| | | |
| | | return null; |
| | | } |
| | |
| | | return $args; |
| | | } |
| | | } |
| | | |