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- 11-14-2008, 01:22 PM #1
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how to check password for 3 times enterd wrong password
hi
can any one help me in this.. i have a html/jsp form in that i have a field .. enter password... first time password will be stored in the databse... from second time when user enters passowrd wrongly for 3 times then it has to dispay some msg contact ur administrator. can any one send me this code? plzzzzzzzzzzzzzzzz send it ASAp
here is my code.
___________________________________________
import java.io.*;
import java.util.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Validation extends HttpServlet
{
private ServletConfig config;
public void init(ServletConfig config)throws ServletException
{
this.config=config;
}
public void service(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException
{
String userName = request.getParameter("user");
String password = request.getParameter("pass");
PrintWriter out =response.getWriter();
HttpSession session = request.getSession();
boolean login(String userName, String password)
{
try {
Class.forName("com.mysql.jdbc.Driver");
Connection con =DriverManager.getConnection("jdbc:mysql://localhost/basha","root","3ptec");
Statement s = con.createStatement();
String sql = "SELECT user FROM user" +
" WHERE user='" + user + "'" +
" AND Password='" + password + "'";
ResultSet rs = s.executeQuery(sql);
if (rs.next())
{
rs.close();
s.close();
con.close();
return true;
}
rs.close();
s.close();
con.close();
}
if(userName.equals(request.getParameter("user"))&& password.equals(request.getParameter("pass")))
{
out.println("<h1>User is Valid</h1>");
}
else
{
out.println("<h1>User is InValid</h1>");
}
if (!login(username, password) )
{
int count = Integer.parseInt( session.getAttribute("count") );
if (count > 3) {
response.sendRedirect("badbadUser.jsp");
}
else {
count++;
session.setAttribute("count");
response.sendRedirect("woopsWrongPasswordTryAgain. jsp");
}
catch (ClassNotFoundException e)
{
System.out.println(e.toString());
}
catch (SQLException e) {
System.out.println(e.toString());
}
catch (Exception e) {
System.out.println(e.toString());
}
return false;
}
}
}
}
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