@POST
    @Path("/loginR")
    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
    @Produces(MediaType.APPLICATION_JSON)
    public Response loginR(@FormParam("user") String user, @FormParam("pass") String pass) throws SQLException, URISyntaxException {
        //System.out.println("hola");
        db.conn conexion = new db.conn();
        String username = user;
        String password = pass;
        String token = Security.login(username, password, conexion.getConn());
        System.out.println(token);
        boolean valid = Security.validate(token, "menu", conexion.getConn());
        if (!valid)
            return Response.status(Response.Status.UNAUTHORIZED).build();
        Map<String, Object> res = new HashMap<>();
        res.put("token", token);
        UriBuilder var = uriInfo.getBaseUriBuilder();
        var.path("../rlogin.html");
        if (token == null){
            token = "";
        }
        var.queryParam("token", token);
        URI uri = var.build();
        return Response.seeOther(uri).build();
    }