add information to token

IdentityServices/src/java/loginPackage/LoginServlet.java

@@ -28,6 +28,8 @@ import javax.servlet.RequestDispatcher;
 public class LoginServlet extends HttpServlet {
     private static final long serialVersionUID = 1L;
     public String userid;
+    public String agent = "";
+    public String userIP = "";
     
     @Override
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
@@ -37,6 +39,8 @@ public class LoginServlet extends HttpServlet {
         String pass = request.getParameter("password");
         String token = "";
         String message = "";
+        agent = request.getParameter("userAgent").toString();
+        userIP = request.getRemoteAddr();
         /*if(user != null && pass != null && !user.equals("") && !pass.equals("")){
             try {
                 //creating connection with the database 
@@ -79,14 +83,14 @@ public class LoginServlet extends HttpServlet {
         }
         response.addHeader("token", token);
         response.addHeader("message",message);
-        response.addIntHeader("expiryTime", 3);
+        response.addIntHeader("expiryTime", 30);
         response.flushBuffer();
     }
     
     public String getToken(){
         Random random = new SecureRandom();
         String token = new BigInteger(130, random).toString(32);
-        
+        token = token + '#' + agent + '#' + userIP;
         return token;
     }
     

StackExchangeClient/web/login.jsp

@@ -13,6 +13,7 @@
 <%  
     String user = request.getParameter("username");
     String pass = request.getParameter("password");
+    String agent = request.getHeader("User-Agent");
     String error = "";
     
     if(user != null && pass != null && !user.equals("") && !pass.equals("")){
@@ -25,7 +26,7 @@
         // Send POST output.
         connection.setRequestMethod("POST");
         java.io.DataOutputStream printout = new java.io.DataOutputStream(connection.getOutputStream ());
-        String content = "username=" + user + "&password=" + pass;
+        String content = "username=" + user + "&password=" + pass + "&userAgent=" + agent;
         printout.writeBytes (content);
         printout.flush (); 
         printout.close ();