package secure.ch03.ex01.controller; import java.io.IOException; import java.io.InputStream; import java.util.Scanner; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springfr..