/**
* 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);
}
// write session data as soon as possible and before
// closing database connection, don't do this before
// registered shutdown functions, they may need the session
// Note: this will run registered gc handlers (ie. cache gc)
if ($_SERVER['REMOTE_ADDR'] && is_object($this->session)) {
$this->session->write_close();
}
if (is_object($this->smtp)) {
$this->smtp->disconnect();
}
foreach ($this->caches as $cache) {
if (is_object($cache)) {
$cache->close();
}
}
if (is_object($this->storage)) {
$this->storage->close();
}
if ($this->config->get('log_driver') == 'syslog') {
closelog();
}
}
/**
* Wrapper for session_start()
*/
public function start()
{
parent::start();
$this->key = session_id();
$this->ip = $_SESSION['__IP'];
$this->changed = $_SESSION['__MTIME'];
}
/**
* Destroy session data and remove cookie
*/
public function kill_session()
{
$this->plugins->exec_hook('session_destroy');
$this->session->remove();
$_SESSION = array('language' => $this->user->language, 'auth_time' => time(), 'temp' => true);
rcmail::setcookie('sessauth', '-del-', time() - 60);
$this->user->reset();
}
/**
* @param Object $config
*/
public function __construct($config)
{
parent::__construct($config);
$this->memcache = rcube::get_instance()->get_memcache();
$this->debug = $config->get('memcache_debug');
if (!$this->memcache) {
rcube::raise_error(array('code' => 604, 'type' => 'db', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Failed to connect to memcached. Please check configuration"), true, true);
}
// register sessions handler
$this->register_session_handler();
}
/**
* @param Object $config
*/
public function __construct($config)
{
parent::__construct($config);
// get db instance
$this->db = rcube::get_instance()->get_dbh();
// session table name
$this->table_name = $this->db->table_name('session', true);
// register sessions handler
$this->register_session_handler();
// register db gc handler
$this->register_gc_handler(array($this, 'gc_db'));
}
/**
* 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'));
}
/**
* 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;
$is_secure = $this->config->get('use_https') || rcube_utils::https_check();
// set session domain
if ($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', $is_secure);
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'));
$this->session->set_secret($this->config->get('des_key') . dirname($_SERVER['SCRIPT_NAME']));
$this->session->set_ip_check($this->config->get('ip_check'));
if ($this->config->get('session_auth_name')) {
$this->session->set_cookiename($this->config->get('session_auth_name'));
}
// start PHP session (if not in CLI mode)
if ($_SERVER['REMOTE_ADDR']) {
session_start();
}
}
/**
* Do server side actions on logout
*/
public function logout_actions()
{
$config = $this->config->all();
// on logout action we're not connected to imap server
if ($config['logout_purge'] && !empty($config['trash_mbox']) || $config['logout_expunge']) {
if (!$this->session->check_auth()) {
return;
}
$this->imap_connect();
}
if ($config['logout_purge'] && !empty($config['trash_mbox'])) {
$this->imap->clear_mailbox($config['trash_mbox']);
}
if ($config['logout_expunge']) {
$this->imap->expunge('INBOX');
}
// Try to save unsaved user preferences
if (!empty($_SESSION['preferences'])) {
$this->user->save_prefs(unserialize($_SESSION['preferences']));
}
}
/**
* @param Object $config
*/
public function __construct($config)
{
parent::__construct($config);
// instantiate Redis object
$this->redis = new Redis();
if (!$this->redis) {
rcube::raise_error(array('code' => 604, 'type' => 'session', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Failed to find Redis. Make sure php-redis is included"), true, true);
}
// get config instance
$hosts = $this->config->get('redis_hosts', array('localhost'));
// host config is wrong
if (!is_array($hosts) || empty($hosts)) {
rcube::raise_error(array('code' => 604, 'type' => 'session', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Redis host not configured"), true, true);
}
// only allow 1 host for now until we support clustering
if (count($hosts) > 1) {
rcube::raise_error(array('code' => 604, 'type' => 'session', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Redis cluster not yet supported"), true, true);
}
foreach ($hosts as $host) {
// explode individual fields
list($host, $port, $database, $password) = array_pad(explode(':', $host, 4), 4, null);
// set default values if not set
$host = $host !== null ? $host : '127.0.0.1';
$port = $port !== null ? $port : 6379;
$database = $database !== null ? $database : 0;
if ($this->redis->connect($host, $port) === false) {
rcube::raise_error(array('code' => 604, 'type' => 'session', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Could not connect to Redis server. Please check host and port"), true, true);
}
if ($password != null && $this->redis->auth($password) === false) {
rcube::raise_error(array('code' => 604, 'type' => 'session', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Could not authenticate with Redis server. Please check password."), true, true);
}
if ($database != 0 && $this->redis->select($database) === false) {
rcube::raise_error(array('code' => 604, 'type' => 'session', 'line' => __LINE__, 'file' => __FILE__, 'message' => "Could not select Redis database. Please check database setting."), true, true);
}
}
// register sessions handler
$this->register_session_handler();
}
