Untitled

<!DOCTYPE html>
               <%@page import="com.pack1.Otp"%>
            <%@page import="javax.sound.midi.SysexMessage"%>
              <%@page import="org.omg.CORBA.Request"%>
              <html>
         <head>
       <title>index.jsp</title>
          <style type="text/css">
         input
      {
        margin-left:20px;
        width:100%;
       -moz-border-radius: 15px;
        border-radius: 5px;
        padding:5px;
       }

     #header {
           color: black;
            background-color: navajowhite; text-align : center;
           padding: 10px;
          width: 100%;
      text-align: center;
           }

          .section {
            text-align: center;
          padding: 25px;
         border: 5px solid navy;
     margin: 25px;
         }

        #footer {

     }

                  .table {
                border: 1px solid black;
             color: black;
            background-color: gray;
          }

        table,th,td {
            border: 1px solid black;
                    }
                     </style>
                   <script                    src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js">                        </script>
              <script>
                var request;
                    var val_otp;
            function sendOtp()
           {
                     var v=document.vinform.empemail.value;
              var url="database.jsp?val1="+v;

                 if(window.XMLHttpRequest){
                      request=new XMLHttpRequest();
                           }
                           else if(window.ActiveXObject){
                            request=new ActiveXObject("Microsoft.XMLHTTP");
                                  }

                               try
                                {
                              request.onreadystatechange=getInfo;
                                request.open("GET",url,true);
                               request.send();
                                    }
                                     catch(e)
                                     {
                                     alert("Unable to connect to server");
                                       }

                                          }

                          function getInfo(){
                          if(request.readyState==4){
                        var val=request.responseText;
                          alert(val);
                    document.getElementById('amit').innerHTML=val;
                      }
                         }


        //------------------------------------------------------------------       -validation                                    function------------------------------------------------
            function validation(sessionotp)
                 {
               <%--  alert(<%=session.getAttribute("OTP")%>); --%>


                  alert("this is the otp :"+sessionotp);
                 var myForm=document.forms[0];
                var empName=myForm.empname;
                    if(empName.value==null||empName.value.length==0)
                   {
                    alert("Please Enter the EmpName...");
                    empName.focus();
                    return false;
                             }

                        var empEmail=myForm.empemail;
                    if(empEmail.value.length==0||empEmail.value==null)
                       {
                          alert("Please Enter EmpEmail.......");
                         empEmail.focus();
                       return false;
                            }


    var Otp=myForm.otp;
    //var otpvalue=Otp.value;
    if(Otp.value==null||Otp.value.length==0)
        {
        alert("please Enter the OTP number");
        Otp.focus();
        return false;
        }
    alert(val_otp);
    if("Enter currect Otp"==val_otp)
        {
        alert("Enter currect otp");
        Otp.focus();
        return false;
        }
      //---------------------------------------------------end of the code--      -----------------------------------------------------------------------------------

             var otp1 = document.forms[0].otp.value;//retrive the value                      Enter by the user inside the otp field filled by the user

          alert("otp from the cookis is "+otp1);
            var url = "otpValidation.jsp?val1=" + otp1;
            var request;
           request.open("GET", url, true);
            request.send(null);
            alert(request);

           if (window.XMLHttpRequest) {
            request = new XMLHttpRequest();
            } else if (window.ActiveXObject) {
              request = new ActiveXObject("Microsoft.XMLHTTP");
             }

            try {
                request.onreadystatechange = function() {
                   alert(request.readyState);
                    if (request.readyState == 4) {
                     var resp = parseInt(request.responseText);
                    alert(resp);
                     switch (resp) {
                     case 0:
                     alert("success");
                       document.getElementById('myform').submit();
                            break;
                      case 1:
                         alert("plase Enter currect otp number");
                            break;
                      default:
                        alert("wrong");
                         return false;
                     }
                  }
             }

             return false;
              // always return false initially

                alert("inside the try block");

             } catch (e) {
                    alert("Unable to connect to server");
               }
                    }

</script>
                    </head>
                     <body>
             <%@include file="header.jsp" %>
               <div class="section">
            <form action="leaveApply.jsp"name='vinform' id='myform'>
                  <table style="border-color: white">
                  <tr>
                        <th style="border-color: white">
                            <label>Employee Name*</label>

                           </th>
                      <td style="border-color: white">
                         <input type="text" name="empname" id="empname">
                        </td>
                      </tr>

                       <tr>
                            <th style="border-color: white">
                                <label>Employee Email*</label>
                             </th>
                          <td style="border-color: white">
                    <input type="text" name="empemail"       id="empemail"><button type="button" onclick="sendOtp()" name="sendemail">Ok</button>
                </td>
                   </tr>
                   <tr>
                      <th style="border-color: white">
                        <label>OTP Number*</label>

                 </th>
                       <td style="border-color: white">
                            <input type="text" name="otp" id="otp">
                       </td>
                    </tr>
                  </table>
                   <input type="submit" value="submit" style="width:  10%;bottom margin: 2px;left margin: 0px" onclick="return validation('<%=application.getAttribute("newotp") %>')">
           </form>
        <span id="amit" style="color: green"></span>
           </div>

      </body>

database.jsp file

                <%-- <%@page import="org.json.JSONObject"%> --%>
                    <%@page import="com.pack1.Otp"%>
                   <%@page import="com.sun.mail.iap.Response"%>
                  <%@page import="com.pack1.EmpDetail"%>
                   <%@page import="java.net.CookieStore"%>

                 <%@page import="javax.mail.MessagingException"%>
                <%@page import="javax.mail.Transport"%>
                 <%@page import="javax.mail.internet.InternetAddress"%>
                  <%@page import="javax.mail.internet.MimeMessage"%>
                   <%@page import="javax.mail.Message"%>
                    <%@page import="javax.mail.PasswordAuthentication"%>
                     <%-- <%@page import="javax.mail.Session"%> --%>
                     <%@page import="java.util.Properties"%>
                    <%@page import="com.pack1.OTPGeneration"%>
                  <%@page import="java.util.List"%>
                 <%@page import="com.pack1.LeaveTransaction"%>
                 <%@page import="org.hibernate.Criteria"%>
                  <%@page import="org.hibernate.cfg.Configuration"%>
                <%@page import="org.hibernate.SessionFactory"%>
                <%@page import="org.hibernate.Session"%>
                <%@page import="com.pack1.SessionFactory_Util"%>
               <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
           pageEncoding="ISO-8859-1"%>
            <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"          "http://www.w3.org/TR/html4/loose.dtd">
                  <html>
                        <head>
                          <meta http-equiv="Content-Type"                    content="text/html; charset=ISO-8859-1">
              <title>database.jsp</title>
           </head>
            <body>
           <%
            String otp;
               String empemail;
                 boolean flag = true;
                 String email = request.getParameter("val1");

             session.setAttribute("Email_Id_Enter_By_User",email);
             //out.println(email);
              SessionFactory sf = SessionFactory_Util.getSessionFactory();
    Session s1 = sf.openSession();
    Criteria ctr = s1.createCriteria(EmpDetail.class);
    List<EmpDetail> list = ctr.list();
    for (EmpDetail obj : list) {
        empemail = obj.getEmailId();
        if (empemail != null && empemail.length() != 0 && email != null
                && email.length() != 0) {
            if (empemail.equalsIgnoreCase(email)) {
                flag = false;
                out.println(email + "<br>");
                otp = OTPGeneration.generatePassword();

                System.out.println("new otp is :"+otp);
                session.removeAttribute("OTP");
                session.setAttribute("OTP", otp);       //store the generated otp value inside the session object.
                new Otp().setOtp(otp);
                application.setAttribute("newotp",otp);
                System.out.println(application.getAttribute("newotp"));
            /*  System.out.println("get otp is :"+new Otp().getOtp()); */
                System.out.println("otp from the session object :"+session.getAttribute("OTP"));

                Cookie ck=new Cookie("Otp",otp);        //sending the otp value through the cookies
                response.addCookie(ck);


            /*  application.setAttribute("otpnumber", otp); */

                out.println("Generated OTP is sent to your mail id  :"
                        + email + "  " + otp);//already method implemented inside the OTPGeneration class

                // Recipient's email ID needs to be mentioned.
                String to = email;//change accordingly

                // Sender's email ID needs to be mentioned
                String from = "selectpsingh@gmail.com";//change accordingly
                final String username = "dksingh9006@gmail.com";//change accordingly
                final String password = "urmiladevi";//change accordingly

                // Assuming you are sending email through relay.jangosmtp.net
                String host = "smtp.gmail.com";

                Properties props = new Properties();
                props.put("mail.smtp.auth", "true");
                props.put("mail.smtp.starttls.enable", "true");
                props.put("mail.smtp.host", host);
                props.put("mail.smtp.port", "587");

                // Get the Session object.
                javax.mail.Session session1 = javax.mail.Session
                        .getInstance(props,
                                new javax.mail.Authenticator() {
                                    protected PasswordAuthentication getPasswordAuthentication() {
                                        return new PasswordAuthentication(
                                                username, password);
                                    }
                                });

                try {
                    // Create a default MimeMessage object.
                    Message message = new MimeMessage(session1);

                    // Set From: header field of the header.
                    message.setFrom(new InternetAddress(from));

                    // Set To: header field of the header.
                    message.setRecipients(Message.RecipientType.TO,
                            InternetAddress.parse(to));

                    // Set Subject: header field
                    message.setSubject("Generated OTP ");

                    // Now set the actual message
                    message.setText("sending an OTP [ " + otp
                            + " ] email using JavaMailAPI ");

                    // Send message
                    Transport.send(message);
                    System.out.print(otp);
                    /* JSONObject json = new JSONObject();
                    json.put("otp",otp);
                    System.out.print("1");
                    System.out.print(json);


                     out.print(json);
                      out.flush(); */

                        System.out.print(otp);
                    /*   request.setAttribute("Otp",1);
                      RequestDispatcher rd=request.getRequestDispatcher("index.jsp");
                     rd.forward(request,response); */
                    out.println("<valid>true</valid>");
                    break;

                } catch (MessagingException e) {
                    throw new RuntimeException(e);
                }

            }
        }
    }
    if (flag) {
         /*  request.setAttribute("Otp",1);
          RequestDispatcher rd=request.getRequestDispatcher("index.jsp");
         rd.forward(request,response); */
        out.println("<valid>false</valid>");
        out.println("email id is not matched  <br>NO OTP Generated");
    }
%>