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change password

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posted 13 years ago

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hey i have an option on my web page of forget password & change passwod for that i need that on my action form my login name should be used as session but the problem is how can i use sessions please help me i dont know much aboout sessions

thank you

Shailesh Narkhede

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posted 13 years ago

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Hi Aditi,

Can you put some light on your requirement, and please add some code that you tried to implement this, that will help ranchers to come up with some solution for you.

Thanks,
Shailesh

Thanks,
Shailesh

Aditi agarwal

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posted 13 years ago

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thanks Shailesh

actually i want that user can change their password if they forgot or if they want to change the password but without mentionaing loginname that loginname should be passed through the sessions now i want how to use sessions & at what place & in what manner

my userLogin.jsp page is

<%@ page language="java" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%> 
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
 
<html> 
	<head>
		<%
		response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
		response.setHeader("Pragma","no-cache"); //HTTP 1.0
		response.setDateHeader ("Expires", 0); //prevents caching at the proxy server
	%>
	
		<title>JSP for UserLoginForm form</title>
				
	</head>
	
	<script type="text/javascript" language="JavaScript">
<!-- Copyright 2002 Bontrager Connection, LLC

function getCalendarDate()
{
   var months = new Array(13);
   months[0]  = "January";
   months[1]  = "February";
   months[2]  = "March";
   months[3]  = "April";
   months[4]  = "May";
   months[5]  = "June";
   months[6]  = "July";
   months[7]  = "August";
   months[8]  = "September";
   months[9]  = "October";
   months[10] = "November";
   months[11] = "December";
   var now         = new Date();
   var monthnumber = now.getMonth();
   var monthname   = months[monthnumber];
   var monthday    = now.getDate();
   var year        = now.getYear();
   if(year < 2000) { year = year + 1900; }
   var dateString = monthname +
                    ' ' +
                    monthday +
                    ', ' +
                    year;
   return dateString;
} // function getCalendarDate()

function show_now(){
var my_day=new Date()
//var dt = new Date(\"Aug 16, 2005 05:55:00\");

var day_name=new Array(7);
day_name[0]="Sunday"
day_name[1]="Monday"
day_name[2]="Tuesday"
day_name[3]="Wednesday"
day_name[4]="Thursday"
day_name[5]="Friday"
day_name[6]="Saturday"
return  day_name[my_day.getDay()];
}
//-->
</script>
	<body style=" background-color:#FFFFCC;">
		<html:form action="/userLogin" method="post" onsubmit="return validateUserLoginForm(this);"> 
		<table >
<tr>
	<td>	
		<img src="images/lion4.gif"/>
	</td>
		<th rowspan="2" align="center">
			<font size="5"  face="Georgia, Arial" color="maroon"><br>Ministry of Petroleum &  Natural Gas </font> <br/>
 			  <font size="4" face="Georgia, Arial" color="maroon">O&M Activity Monitoring system</font>
		</th>
</tr>
<tr>
		<td>
		
<script type="text/javascript" language="JavaScript"></script>

</td></tr>
		</table>
		<br/><br/><br/><br/>
		<center>
		<table border="1">
		<tr><td>username </td><td> <html:text property="username"/><html:errors property="username"/><br/></td></tr>
		<tr><td>password </td><td><html:password property="password"/><html:errors property="password"/><br/></td></tr>
		<tr><td  colspan="2" align="center"><html:submit/></td></tr></table>
		<br/><br/><br/><br/>
		<font size="2" align="center"  face="Georgia, Arial" color="maroon">Designed & Developed By NIC</font>
<img src="images/niclogo.gif"/>
 
</center>
		</html:form>
		
				<html:javascript formName="userLoginForm"/>
		
	</body>
</html>

userloginaction

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package ams.action;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ams.database.database;
import ams.form.UserLoginForm;

/** 
 * MyEclipse Struts
 * Creation date: 03-29-2011
 * 
 * XDoclet definition:
 * @struts.action path="/userLogin" name="userLoginForm" input="/userLogin.jsp" scope="request" validate="true"
 * @struts.action-forward name="failure" path="/userLogin.jsp"
 * @struts.action-forward name="success" path="/userloginsuccess.jsp"
 */
public class UserLoginAction extends Action {
	/*
	 * Generated Methods
	 */

/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		UserLoginForm userLoginForm = (UserLoginForm) form;// TODO Auto-generated method stub
		String username=userLoginForm.getUsername().trim();
		String password=userLoginForm.getPassword().trim();
		Connection con=null;
		ams.database.database datasource= new database();
	        ResultSet rs=null;
	        java.sql.Statement st=null;
	   try
		{
			con=datasource.getConnection();
			st=con.createStatement();
		rs=st.executeQuery("select loginname,password from ams_login where loginname= '"+username+"'");
		while(rs.next())
			{
			String userName=rs.getString("loginname").trim();
			String passWord=rs.getString("password").trim();
	if((username.equals(userName))&&(password.equals(passWord)))
			{
		return mapping.findForward("success");
			}
	else
			{
		
		return mapping.findForward("failure");
			}
			}
			}
	catch(Exception e){}
	finally {
	      // Always close the database connection.
	      try {
	        if (con != null) con.close();
	      }
	      catch (SQLException ignored){
	        System.out.println(ignored);
	      }
	    }
	return mapping.findForward("failure");
	}
}

changepasswrod.jsp

<html> 
	<head>
	
		<title>JSP for ChangepasswdForm form</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 
<meta http-equiv="expires" content="now"> 
<meta http-equiv="pragma" content="no-cache"> 
<meta http-equiv="Cache-Control" content="no-cache"> 
<%
response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
response.setHeader("Pragma","no-cache"); //HTTP 1.0
response.setDateHeader ("Expires", 0); //prevents caching at the proxy server
%>

</head>
	<body style=" background-color:#FFFFCC;">
		 <% 
	response.setHeader("Expires", "Sat, 6 May 1995 12:00:00 GMT"); 
	response.setHeader("Cache-Control","no-cache"); 
	response.setHeader("Pragma","no-cache"); 
	response.setHeader("Cache-Control","no-store, no-cache, must-revalidate"); 
	response.addHeader("Cache-Control", "post-check=0, pre-check=0"); 
	response.setHeader("Cache-Control", "max-stale=0");  
%>

<html:form action="/changepasswd">
	<center>
		<font size="4"  face="Georgia, Arial" color="maroon">Change Password</font>
		<br/><br/><br/><br/>
		 <logic:present name="changed" scope="request">
			<br /></logic:present>
		<table border="1" bordercolor="000000">
			
				<tr><td>old-password </td><td> <input type="password" name="oldpassword"/><html:errors property="oldpassword"/><br/></td></tr>
				<tr><td>new-password </td><td> <input type="password" name="newpassword"/><html:errors property="newpassword"/><br/></td></tr>
				<tr><td>retype-password </td><td> <input type="password" name="retypepassword"/><html:errors property="retypepassword"/><br/></td></tr>
				<tr><td colspan="2" align="center"><input type="submit" value="Submit"/></td></tr>
			</table>
			</center>
		</html:form>
		</body>
</html>

changepasswordaction

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package ams.action;

import java.sql.Connection;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ams.database.database;
import ams.form.ChangepasswdForm;

/** 
 * MyEclipse Struts
 * Creation date: 03-06-2011
 * 
 * XDoclet definition:
 * @struts.action path="/changepasswd" name="changepasswdForm" input="/changepasswd.jsp" scope="request" validate="true"
 * @struts.action-forward name="failure" path="/changepasswd.jsp"
 * @struts.action-forward name="success" path="/passwdsuccess.jsp"
 */
public class ChangepasswdAction extends Action {
	/*
	 * Generated Methods
	 */

/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ChangepasswdForm changepasswdForm = (ChangepasswdForm) form;// TODO Auto-generated method stub
		HttpSession session = request.getSession(false);
		String user = (String) session.getAttribute("valid");
		if(user==null)
			return mapping.findForward("failure");
		Connection conn=new database().getConnection();
		PreparedStatement psat=null;
		try {
			String opasswd=changepasswdForm.getOldpassword().trim();
			String rpasswd=changepasswdForm.getRetypepassword().trim();
			String passwd=changepasswdForm.getNewpassword().trim();
			//return mapping.findForward("success");
			int a1=0;
			if((passwd.equals(rpasswd)) && !(opasswd.equals(passwd)) )
			{
			 psat=conn.prepareStatement("update ams_login set password=? where loginname=?;" );
			 psat.setString(1, changepasswdForm.getNewpassword().trim());
			 psat.setString(2, user);
			 //psat.setString(3, changepasswdForm.getOldpassword().trim());
			a1=psat.executeUpdate();
			if(a1==1)	
			return mapping.findForward("success");
			}
	   } 
		catch (SQLException e) 
		{// TODO Auto-generated catch block
			e.printStackTrace();
			return mapping.findForward("failure");
								}
		finally {
		      // Always close the database connection.
		      try {
		    	    if (conn != null) 
		    	    	conn.close();
		      }
		      catch (SQLException ignored){
		       
		    	  System.out.println(ignored);
		      }
		    }
		return mapping.findForward("failure");
	}
}

Shailesh Narkhede

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Posts: 368

posted 13 years ago

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In userloginaction you can put userName in session(you can get session object from request which is parameter to execute method )if user id & password is validated.
Then in your changepasswrod.jsp you can retrieve it from session (In jsp we are having implicit session object).

HTH

Thanks,
Shailesh

Aditi agarwal

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Posts: 225

posted 13 years ago

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thanks for your reply but problem with me is how to do that

i dont kno how to use the sessions

thank you

Aditi agarwal

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posted 13 years ago

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can you help me in that

thank you

Shailesh Narkhede

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posted 13 years ago

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Hi Aditi,

you can get help of API for HttpServletRequest on this link.
(you can use getSession() method of HttpServletRequest object.)

for HttpSession you will get at this link.
(you can use getAttribute & setAtttibute method of session object.)

Thanks,
Shailesh

Aditi agarwal

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posted 13 years ago

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thanks for your reply shailesh

Aditi agarwal

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posted 13 years ago

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one thing more i have tried

please have a look over it is it correct or not

if any modifications please let me know

in userloginaction.java
String username=userLoginForm.getUsername().trim();
HttpSession session=request.getSession(false);
session.setAttribute("user", "username");

in changepasswordaction.java

String user=session.getattribute("username");

one more thing ho wto invalidate it because when i have used it earlier
my whole application stop working

thank you

Swastik Dey

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posted 13 years ago

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You probably need a type cast here, because return type of getAttribute is Object.

And you should store the value of username

Swastik

Aditi agarwal

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posted 13 years ago

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thnks swastik for your reply

actually ihave used this only but by mistake written wrong

but this is still not working on my page
what should i do now

Swastik Dey

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By not working on my page, what do you mean? What is happening or what is going wrong?

Swastik

Aditi agarwal

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posted 13 years ago

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i have used this code on my userloginaction.java

now on changepasswordaction.java

i have made nothing on my changepasswd.jsp

now when i hve done this all & run my page then its goin towrads failure

help me

Swastik Dey

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Failure from userloginaction or changepasswordaction?

Swastik

Aditi agarwal

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actually when i click on changepassword link then jsp page open i can fill all the fields in changepassword.jsp
but as soon as i click on submit then it goes to failure

i think its due to i have not declared or used for session on my changepassword.jsp
please help me what should i do

thank you

Swastik Dey

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I don't think you need to declare session in jsp, because action is being handled by the action handler class.
What is happening here?

Swastik

Aditi agarwal

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this is the correct changepassword action

public class ChangepasswdAction extends Action {
	/*
	 * Generated Methods
	 */

/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ChangepasswdForm changepasswdForm = (ChangepasswdForm) form;// TODO Auto-generated method stub
		HttpSession session = request.getSession(false);
		String user = (String) session.getAttribute("username");
		if(user==null)
			return mapping.findForward("failure");
		Connection conn=new database().getConnection();
		PreparedStatement psat=null;
		try {
			String opasswd=changepasswdForm.getOldpassword().trim();
			String rpasswd=changepasswdForm.getRetypepassword().trim();
			String passwd=changepasswdForm.getNewpassword().trim();
			//return mapping.findForward("success");
			int a1=0;
			if((passwd.equals(rpasswd)) && !(opasswd.equals(passwd)) )
			{
			 psat=conn.prepareStatement("update ams_login set password=? where loginname=?;" );
			 psat.setString(1, changepasswdForm.getNewpassword().trim());
			 psat.setString(2, user);
			 //psat.setString(3, changepasswdForm.getOldpassword().trim());
			a1=psat.executeUpdate();
			if(a1==1)	
			return mapping.findForward("success");
			}
	   } 
		catch (SQLException e) 
		{// TODO Auto-generated catch block
			e.printStackTrace();
			return mapping.findForward("failure");
								}
		finally {
		      // Always close the database connection.
		      try {
		    	    if (conn != null) 
		    	    	conn.close();
		      }
		      catch (SQLException ignored){
		       
		    	  System.out.println(ignored);
		      }
		    }
		return mapping.findForward("failure");
	}
}

i have updated it now here

now if any mistake then tell me
thank you

Swastik Dey

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Seems to be ok now, are you getting the correct output?

Swastik

Aditi agarwal

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output kahan se abhi to form run nhn kar rha hai i think i have done asimple mistake

can you do me afvour

i am posting here my userloginaction
please check it

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package ams.action;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ams.database.database;
import ams.form.UserLoginForm;

/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		UserLoginForm userLoginForm = (UserLoginForm) form;// TODO Auto-generated method stub
		String username=userLoginForm.getUsername().trim();
		HttpSession session=request.getSession(false);	
		session.setAttribute("user", "username");		
		String password=userLoginForm.getPassword().trim();
		Connection con=null;
		ams.database.database datasource= new database();
	        ResultSet rs=null;
	        java.sql.Statement st=null;
	   try
		{
			con=datasource.getConnection();
			st=con.createStatement();
		rs=st.executeQuery("select loginname,password from ams_login where loginname= '"+username+"'");
		while(rs.next())
			{
			String userName=rs.getString("loginname").trim();
			String passWord=rs.getString("password").trim();
	if((username.equals(userName))&&(password.equals(passWord)))
			{
		return mapping.findForward("success");
			}
	else
			{
		
		return mapping.findForward("failure");
			}
			}
			}
	catch(Exception e){}
	finally {
	      // Always close the database connection.
	      try {
	        if (con != null) con.close();
	      }
	      catch (SQLException ignored){
	        System.out.println(ignored);
	      }
	    }
	return mapping.findForward("failure");
	}
}

changepasswordaction

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package ams.action;

import java.sql.Connection;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ams.database.database;
import ams.form.ChangepasswdForm;

/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ChangepasswdForm changepasswdForm = (ChangepasswdForm) form;// TODO Auto-generated method stub
		HttpSession session = request.getSession(false);
		String user = (String) session.getAttribute("username");
		if(user==null)
			return mapping.findForward("failure");
		Connection conn=new database().getConnection();
		PreparedStatement psat=null;
		try {
			String opasswd=changepasswdForm.getOldpassword().trim();
			String rpasswd=changepasswdForm.getRetypepassword().trim();
			String passwd=changepasswdForm.getNewpassword().trim();
			//return mapping.findForward("success");
			int a1=0;
			if((passwd.equals(rpasswd)) && !(opasswd.equals(passwd)) )
			{
			 psat=conn.prepareStatement("update ams_login set password=? where loginname=?;" );
			 psat.setString(1, changepasswdForm.getNewpassword().trim());
			 psat.setString(2, user);
			 //psat.setString(3, changepasswdForm.getOldpassword().trim());
			a1=psat.executeUpdate();
			if(a1==1)	
			return mapping.findForward("success");
			}
	   } 
		catch (SQLException e) 
		{// TODO Auto-generated catch block
			e.printStackTrace();
			return mapping.findForward("failure");
								}
		finally {
		      // Always close the database connection.
		      try {
		    	    if (conn != null) 
		    	    	conn.close();
		      }
		      catch (SQLException ignored){
		       
		    	  System.out.println(ignored);
		      }
		    }
		return mapping.findForward("failure");
	}
}

if i have done a blunder then please ley me know

thank you o much

Swastik Dey

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posted 13 years ago

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Have you made any change in either of the two codes? And by the way you still have this problem

"user"?? it should be the variable name.

Swastik

Aditi agarwal

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posted 13 years ago

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yes swastik i still have the same problem

these lines are creatng session & then user is the variable with username as its value

in following code

i am getting my session in a new variable user to be used in my changepaswword.jsp page

Swastik Dey

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Swastik

Aditi agarwal

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thank you for your reply swastik "user" taking null

Shailesh Narkhede

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Hi Aditi,

First of all go through getAttrubute() & setAttribute() method of HttpSession object.

in that setAttribute() first parameter is name of attribute and second parameter is object that you want to put in session.

above code will not work because you are setting string "username" in session with name as user.
So if you call you will get String object "username" in reply.

do setting attribute by following code,

and for getting from session

Thanks,
Shailesh

Aditi agarwal

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posted 13 years ago

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thank you so much shailesh it worked now i am getting no error now & my form is working at its best

thank you so much

Aditi agarwal

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but now one problem starts my form is not logging in
tell me one thing how to invalidate sessions

if you have any tutorials then let me know please

Shailesh Narkhede

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posted 13 years ago

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I would say again go through HttpSession methods there is one method to invalidate session.

Thanks,
Shailesh

Aditi agarwal

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posted 13 years ago

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thank you shailesh i have read your page link & also i have invalidate my session but still my form is not allowing me to login

can you please help me why is it so

Swastik Dey

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posted 13 years ago

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Not allowing me to login

, so what is exactly happening when you click submit?

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Aditi agarwal

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posted 13 years ago

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now when i click my submit button my page remains over there only it dont proceed to anywhere

Swastik Dey

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What changes have you made in userloginaction? One more thing I could not figure out what has invalidate got to do with login? Invalidate is typically used when you no longer wish to hold the session, so a typical situation can be when the user logs out. Apart from this have you made any change in the login jsp page?

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Aditi agarwal

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posted 13 years ago