/**
* Initialize basic authentication
*
* Try to get user from cookie or session
*
* @param array $params
* @throws InvalidParamError
* @return User|null
*/
function initialize($params)
{
$this->secret_key = array_var($params, 'secret_key');
if (empty($this->secret_key)) {
throw new InvalidParamError('params', $params, 'params[secret_key] value is required');
}
// if
$this->session_id_var_name = array_var($params, 'sid_prefix') . '_sid_' . substr($this->secret_key, 0, 10);
DB::execute('DELETE FROM ' . TABLE_PREFIX . 'user_sessions WHERE expires_on < ?', date(DATETIME_MYSQL));
// Expire old sessions
$cookie_session_id = Cookies::getVariable($this->session_id_var_name);
$settings = array('remember' => false, 'new_visit' => false);
if ($cookie_session_id && strpos($cookie_session_id, '/') !== false) {
list($session_id, $session_key, $session_time) = explode('/', $cookie_session_id);
if (time() - USER_SESSION_LIFETIME > strtotime($session_time)) {
$settings['new_visit'] = true;
}
// if
$user = Users::findBySessionId($session_id, $session_key);
if ($user instanceof User && $user->isActive()) {
if (is_array($settings)) {
$settings['existing_session_id'] = $session_id;
} else {
$settings = array('existing_session_id' => $session_id);
}
// if
$this->logUserIn($user, $settings);
}
// if
}
// if
}
