package com.roshka.proyectofinal.login; import java.io.IOException; import java.io.PrintWriter; import java.security.NoSuchAlgorithmException; import jakarta.servlet.RequestDispatcher; import jakarta.servlet.ServletException; import jakarta.servlet.annotation.WebServlet; import jakarta.servlet.http.HttpServlet; import jakarta.servlet.http.HttpServletRequest; import jakarta.servlet.http.HttpServletResponse; import com.roshka.proyectofinal.entity.LoginBean; import com.roshka.proyectofinal.login.md5JavaHash; import jakarta.servlet.http.HttpSession; import static java.lang.System.out; /** * Servlet implementation class LoginServlet */ @WebServlet("/login") public class LoginServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public LoginServlet() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub response.getWriter().append("Served at: ").append(request.getContextPath()); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { LoginDao loginDao = new LoginDao(); md5JavaHash passEncrip = new md5JavaHash(); String passwordMD5 = ""; response.setContentType("text/html"); PrintWriter out = response.getWriter(); String username = request.getParameter("username"); String correo = request.getParameter("correo"); String password = request.getParameter("password"); LoginBean loginBean = new LoginBean(); loginBean.setUsername(username); try { passwordMD5 = passEncrip.getHashPass(password); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } loginBean.setPassword(passwordMD5); loginBean.setCorreo(correo); //out.println("EL pass encriptado es: " +passwordMD5); if (loginDao.validate(loginBean)) { HttpSession session = request.getSession(true); //incluir nota de sesion valida session.setAttribute("logon.isDone", correo); //out.print ("Bienvenido " + correo); // Tratar de re-dirigir a la pagina que el usuario quiso acceder try { String target = (String) session.getAttribute("login.target"); //response.sendRedirect("loginSuccess.jsp"); //out.println(" \n Destino: " + target); if (target != null) response.sendRedirect(target); //return; } catch (Exception ignored) { } // Si no es posible redireccionar a la pagina solicitada, llevar a la main page RequestDispatcher rd = request.getRequestDispatcher("menu.jsp"); rd.include(request,response); } else { //si no es un user valido - mandar error y redireccionar al inicio de sesion RequestDispatcher rd = request.getRequestDispatcher("/login.jsp"); //out.print("
Credenciales incorrectas! Reintente ...
"); rd.include(request,response); } } }