gistfile1.txt

package cross.context.test.suite;

import java.io.IOException;
import java.util.Base64;
import java.util.UUID;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author lurodrig
 */
public class RedirectServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String original_request = request.getParameter("original_request");
        if (original_request != null) {
            Cookie cookie = new Cookie("SECRET_COOKIE", UUID.randomUUID().toString());
            cookie.setPath("/");
            response.addCookie(cookie);
            response.sendRedirect(new String(Base64.getDecoder().decode(original_request)));
        } else {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
        }
    }
// doGet & doPost....
  }