Re: GWT - Auto logout after user inactivity

Hi,

Define a method in your service that returns the last time the user interacted with the server (in the code below it is getLastRequest()).

In your main screen define these variables:

protected static final long DEFAULT_TIMEOUT = 20 * 60 * 1000l; // 20 minutes

protected static final long ABSOLUTE_TIMEOUT = 12 * 60 * 60 * 1000l; // 12 hours

private long TIMEOUT = DEFAULT_TIMEOUT;

   

After displaying main screen, run something like this:

  

       final long loginTime = System.currentTimeMillis();

     Scheduler.get().scheduleFixedPeriod(new RepeatingCommand() {

      @Override

      public boolean execute() {

       long dif = System.currentTimeMillis() - MYSERVICE.getLastRequest(); 

       long loginDif = System.currentTimeMillis() - loginTime;

       if (dif > TIMEOUT || loginDif > ABSOLUTE_TIMEOUT) {

        MYSERVICE.getService().logout(user.getId(), new AsyncCallback<String[]>() {

         @Override

         public void onFailure(Throwable caught) {

          // TODO handle error

         }

         @Override

         public void onSuccess(String[] result) {

          MYSERVICE.getController().handleEvent(new AppEvent(AppEvents.Logout));    

          if (!result[0].equals(Responses.SUCCESS)) {

            // TODO display login screen   

          }

         }

        });

        return false;

       }

       return true;    //as long as it returns true the execute is repeated after XX milliseconds 

      }

   }, 10000);

Hope this helps,

Rodolfo M. Raya

On Thu, Dec 28, 2017 at 1:34 PM Devaraj Rathinasamy <rdevaraj.it@gmail.com> wrote:

We need to auto log out the user after a max user inactivity time (say 5 mins) in our GWT MVP with history management application.  Appreciate any inputs on how to proceed implementation for this.

We have session timeout at service level. so if any interaction happens with the server, server session will be validated and inactivated if expired. But in above case, user should be auto logged out after max inactivity time without any user interaction. 

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