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Javascript Timer

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  • Javascript Timer

    Hi everyone, I am looking to get some help creating something that would force a new login if a timer in javascript has expired.
    Here is what have so far this is just the timer displayed for the user warning them that the session will expire in so much time.
    I now need to make it that if the timer gets to 0 then it would redirect to my login page and force them to login again.

    Code:
    function startTimer(duration, display) {
        var start = Date.now(),
            diff,
            minutes,
            seconds;
        function timer() {
            // get the number of seconds that have elapsed since 
            // startTimer() was called
            diff = duration - (((Date.now() - start) / 1000) | 0);
    
            // does the same job as parseInt truncates the float
            minutes = (diff / 60) | 0;
            seconds = (diff % 60) | 0;
    
            minutes = minutes < 10 ? "0" + minutes : minutes;
            seconds = seconds < 10 ? "0" + seconds : seconds;
    
            display.textContent = minutes + ":" + seconds; 
    
            if (diff <= 0) {
                // add one second so that the count down starts at the full duration
                // example 05:00 not 04:59
                start = Date.now() + 1000;
            }
        };
        // we don't want to wait a full second before the timer starts
        timer();
        setInterval(timer, 1000);
    }
    
    window.onload = function () {
        var fiveMinutes = 60 * 180,
            display = document.querySelector('#time');
        startTimer(fiveMinutes, display);
    };

    HTML Code:
    <div align=center><font face="GE Inspira"><strong>Session closes in <span id="time"></span>&nbsp;minutes!</strong></font></div>
    Chad Brown

  • #2
    Re: Javascript Timer

    No one?
    Chad Brown

    Comment


    • #3
      Re: Javascript Timer

      Not sure what you're asking about Chad. Do you just need to implement a location.href at the appropriate time?
      -Steve
      sigpic

      Comment


      • #4
        Re: Javascript Timer

        Chad, I used to do it this way a long time ago. Please take a look at this thread, I think it might be just what you need.

        https://www.alphasoftware.com/alphaf...ighlight=timer

        I think the piece you are missing is in this section:

        Code:
        <script language="javascript">
        <!-- Begin
        // Take user here after session timed out
        timedouturl = "Login.a5w";
        Code:
        else if (min == 0 && sec == 0) {
        alert("Your session has timed out.  You will be redirected and can Log In again, if needed.  Thank You.");
        window.location.href = timedouturl;
        }
        Alpha Anywhere v12.4.6.3.0 Build 7582-5569 IIS v10.0 on Windows Server 2019 Std in Hyper-V

        Comment


        • #5
          Re: Javascript Timer

          Hi everyone, here is what I ended up using it may not be what everyone likes or needs but it works this would be your main page after login.
          Code:
          <!doctype html>
          <html>
          <head>
          <meta name="generator" content="Alpha Anywhere HTML Editor Version 12 Build 2446-4365">
          <!-- must use in order to make XP Themes render -->
          <meta HTTP-EQUIV="MSThemeCompatible" content="Yes" />
          <meta http-equiv="X-UA-Compatible" content="IE=edge" />
          <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 
          <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
          <meta name="apple-mobile-web-app-capable" content="yes" />
          <%a5
          '====== Timer 2hrs  ====== 
          if session.position ="Order Desk"
          goto timer_orderdesk
          end if
          '====== Timer 1hr  ====== 
          if session.position ="Manager"
          goto timer_manager
          end if
          '====== Timer 45min  ====== 
          if session.position ="Sales Consultant"
          goto timer_sales
          end if
          goto timer_skip
          
          timer_sales:
          %>
          
          <script>
          // Sales Consultant timeout set to 45 minutes 2700000
          var countDownDate = new Date().getTime()+ 2700000;
          var x = setInterval(function() {
              var now = new Date().getTime();
              var distance = countDownDate - now;
              var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
              var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
              var seconds = Math.floor((distance % (1000 * 60)) / 1000);
              document.getElementById("javatimer").innerHTML = "Session Expires in "+hours+ ":"+minutes + ":" + seconds ;
              if (distance < 0) {
                  clearInterval(x);
                  location.replace("http://your_login_page.a5w");
              }
          }, 1000);
          </script>
          <%a5 
          goto timer_skip
          %>
          
          <%a5 
          timer_manager:
          %>
          
          <script>
          // Manager timeout set to 60 minutes 3600000
          var countDownDate = new Date().getTime()+ 3600000;
          var x = setInterval(function() {
              var now = new Date().getTime();
              var distance = countDownDate - now;
              var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
              var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
              var seconds = Math.floor((distance % (1000 * 60)) / 1000);
              document.getElementById("javatimer").innerHTML = "Session Expires in "+hours+ ":"+minutes + ":" + seconds ;
              if (distance < 0) {
                  clearInterval(x);
                  location.replace("http://your_login_page.a5w");
              }
          }, 1000);
          </script>
          <%a5 
          goto timer_skip
          %>
          
          <%a5 
          timer_orderdesk:
          %>
          
          <script>
          // Order Desk timeout set to 120 minutes 7200000
          var countDownDate = new Date().getTime()+ 7200000;
          var x = setInterval(function() {
              var now = new Date().getTime();
              var distance = countDownDate - now;
              var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
              var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
              var seconds = Math.floor((distance % (1000 * 60)) / 1000);
              document.getElementById("javatimer").innerHTML = "Session Expires in "+hours+ ":"+minutes + ":" + seconds ;
              if (distance < 0) {
                  clearInterval(x);
                  location.replace("http://your_login_page.a5w");
              }
          }, 1000);
          </script>
          <%a5 
          timer_skip:
          %>
          
          <title></title>
          </head>
          <body>
          <div align=center><font face="GE Inspira"><strong><span id="javatimer"></span></strong></font></div>
          <%a5 
          a5w_include("yourmainpage.a5w")
          %>
          </body></html>
          Chad Brown

          Comment


          • #6
            Re: Javascript Timer

            Chad thanks for sharing your code. I will give it try...

            Comment


            • #7
              Re: Javascript Timer

              Nice. Although, I had to take the opposite approach and automatically keep users signed in by sending a recurring message to the server every 2 to 8 minutes once the user gets to the main tabbed UI. Otherwise, the load balancer would sometimes divert a session to the wrong WAS instance because of its ridiculously low timeout value. (Default load balancer timeout value was one minute!) I really wonder what happens when bots start landing on the login page, do they start consuming WAS sessions?

              Comment


              • #8
                Re: Javascript Timer

                This is what I came up with. https://www.screencast.com/t/DpAnG87m0

                Comment

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