Merge branch 'login' into 'develop'

Login

See merge request !18

src/main/java/com/roshka/proyectofinal/ProtectedResource.java

@@ -15,16 +15,22 @@ public class ProtectedResource extends HttpServlet {
 			HttpSession session = req.getSession(true);
 
 			// Does the session indicate this user already logged in?
-			Object done = session.getValue("logon.isDone");
+			Object done = session.getAttribute("logon.isDone");
 			// marker object
 			if (done == null) {
-				// No logon.isDone means he hasn't logged in. // Save the request URL as the true target and redirect to the login page
-				session.putValue("login.target",
-						HttpUtils.getRequestURL(req).toString()); res.sendRedirect(req.getScheme() + "://" + req.getServerName() + ":"
-							+ req.getServerPort() + "/login.html");
+				// No se encuentra loggeado // Guardamos donde trato de dirigirse y lo REDIRIGIMOS AL LOGGIN
+				session.setAttribute("login.target",
+						HttpUtils.getRequestURL(req).toString());
+				res.sendRedirect(req.getScheme() + "://" + req.getServerName() + ":"
+							+ req.getServerPort() + "/login.jsp");
 				return;
 			}
-			// If we get here, the user has logged in and can see the goods
-			out.println("Unpublished O'Reilly book manuscripts await you!");
+			// El usuario se loggeo y puede ver el recurso
+			out.println("PUEDES ACCEDER AL RECURSO - ESTAS LOGGEADO");
+
+
+
+
+
 		}
 	 }
\ No newline at end of file

src/main/java/com/roshka/proyectofinal/entity/LoginBean.java

@@ -3,6 +3,7 @@ package com.roshka.proyectofinal.entity;
 public class LoginBean {
     private String username;
     private String password;
+    private String correo;
 
     public String getUsername() {
         return username;
@@ -19,4 +20,12 @@ public class LoginBean {
     public void setPassword(String password) {
         this.password = password;
     }
+
+    public void setCorreo(String correo) {
+        this.correo = correo;
+    }
+
+    public String getCorreo() {
+        return correo;
+    }
 }

src/main/java/com/roshka/proyectofinal/entity/Usuario.java

@@ -4,6 +4,7 @@ public class Usuario {
     private int id;
     private String nombre,apellido,correo,contrasena;
 
+
     public Usuario() {
 
     }

src/main/java/com/roshka/proyectofinal/login/LoginDao.java

@@ -6,27 +6,27 @@ import com.roshka.proyectofinal.entity.LoginBean;
 
 import java.sql.Connection;
 import java.sql.PreparedStatement;
+import java.sql.ResultSet;
 
 public class LoginDao {
 
     public boolean validate (LoginBean loginBean) {
-        int status = 0;
+        boolean status = false;
         try {
             Connection con = DataBase.getConnection();
 
             PreparedStatement ps=con.prepareStatement(
-                    "select * from usuarios where username=? and password = ?");
-            ps.setString(1,loginBean.getUsername());
+                    "select * from usuario where correo=? and contrasena = ?");
+            ps.setString(1,loginBean.getCorreo());
             ps.setString(2, loginBean.getPassword());
-            status=ps.executeUpdate();
-
+            ResultSet rs = ps.executeQuery();
+            status = rs.next();
             con.close();
         } catch (Exception ex) {
             ex.printStackTrace();
         }
 
-        if (status > 0) return true ;
-        else return false ;
+            return status ;
 
     }
 

src/main/java/com/roshka/proyectofinal/login/LoginServlet.java

@@ -2,6 +2,9 @@ package com.roshka.proyectofinal.login;
 
 
 import java.io.IOException;
+import java.io.PrintWriter;
+import java.security.NoSuchAlgorithmException;
+
 import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
@@ -9,6 +12,11 @@ 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
@@ -38,24 +46,58 @@ public class LoginServlet extends HttpServlet {
      */
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         LoginDao loginDao = new LoginDao();
+        md5JavaHash passEncrip = new md5JavaHash();
+        String passwordMD5 = "";
+        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);
-        loginBean.setPassword(password);
+        try {
+            passwordMD5 = passEncrip.getHashPass(password);
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+        out.println(passwordMD5);
+        loginBean.setPassword(passwordMD5);
+        loginBean.setCorreo(correo);
 
+        out.println("EL pass encriptado es: " +passwordMD5);
 
         if (loginDao.validate(loginBean))
         {
-            response.sendRedirect("loginSuccess.jsp");
+                HttpSession session = request.getSession(true); //incluir nota de sesion valida
+                session.setAttribute("logon.isDone", username);
 
-        }
-        else {
-            //HttpSession session = request.getSession();
-            response.sendRedirect("login.jsp");
 
-        }
+
+                // Tratar de re-dirigir a la pagina que el usuario quiso acceder
+                try {
+                    String target = (String) session.getAttribute("login.target");
+                    response.sendRedirect("loginSuccess.jsp");
+                    if (target != null)
+                        response.sendRedirect(target);
+                    return;
+                }
+                catch (Exception ignored) { }
+
+                // Si no es posible redireccionar a la pagina solicitada, llevar a la main page
+                //response.sendRedirect(request.getScheme() + "://" +
+                       // request.getServerName() + ":" + request.getServerPort());
+                System.out.println("redirigir al index.html");
+
+        } else {
+
+            //si no es un user valido - mandar error y redireccionar al inicio de sesion
+
+            out.println("<p> You may want to <a href='/login.jsp'> try again </a> </p>");
+//            request.getRequestDispatcher("login.jsp").include(request, response);
+//            response.sendRedirect("login.jsp");
+            }
     }
 
-}
\ No newline at end of file
+
+
+}

src/main/java/com/roshka/proyectofinal/login/md5JavaHash.java

+package com.roshka.proyectofinal.login;
+import java.security.*;
+
+
+public class md5JavaHash {
+
+    private String hashpass="";
+
+    public String getHashPass(String password) throws
+            NoSuchAlgorithmException{
+
+        String plainText = password;
+        MessageDigest mdAlgorithm = MessageDigest.getInstance("MD5");
+        mdAlgorithm.update(plainText.getBytes());
+
+        byte[] digest = mdAlgorithm.digest();
+        StringBuffer hexString = new StringBuffer();
+
+        for (int i = 0; i < digest.length; i++) {
+            plainText = Integer.toHexString(0xFF & digest[i]);
+
+            if (plainText.length() < 2) {
+                plainText = "0" + plainText;
+            }
+
+            hexString.append(plainText);
+        }
+        hashpass = hexString.toString();
+
+        return hashpass;
+    }
+
+
+}

src/main/webapp/login.jsp

@@ -8,11 +8,11 @@
     <div align=" center">
     <h1>User Login Form</h1>
     <form action="login" method="post">
-        <table>
-            <tr><td>User Name:</td> <td><input type="text" name = "username"></td></tr>
+        <table align = "center">
+            <tr><td>Correo:</td> <td><input type="text" name = "correo"></td></tr>
             <tr><td>Password:</td><td><input type="password" name="password"></td></tr>
-            <tr><td><input type="submit" value="Login"/></td></tr>
 
+            <tr><td><input type="submit" value="Login"/></td></tr>
         </table>
     </form>    
     </div>