App\Http\Middleware\AutologinFromLegacyCookie::handle PHP Method

    public function handle($request, Closure $next)
    {
        if ($this->auth->guest()) {
            $session = LegacySession::loadFromRequest($request);
            if ($session !== null) {
                $request->session()->flush();
                $request->session()->regenerateToken();
                $this->auth->loginUsingId($session->session_user_id, $session->session_autologin);
            }
        }
        return $next($request);
    }