Meteor user redirect on session expiration

redirect_user.js

// file: server/data.js
/* Expose extra fields to the client side */
Meteor.publish("userData", function () {
  return Meteor.users.find({_id: this.userId},
    {fields: {'tw': 1, 'tw_user': 1, 'roles': 1, 'name': 1, 'forceLogout': 1}});
});


// file: client/base.js
user_subscription = Meteor.subscribe("userData");


// file: server/session.js
//
// periodically purge any stale sessions, removing their login tokens and clearing out the stale heartbeat.
//
Meteor.setInterval(function() {
  var now = new Date(),
      overdueTimestamp = new Date(now - inactivityTimeout);

  var usersLoggedOut = Meteor.users.update( { heartbeat: { $lt: overdueTimestamp } },
                      { $set: { 'services.resume.loginTokens': [], forceLogout: true },
                       $unset: { heartbeat: 1 } },
                       { multi: true });
  if (usersLoggedOut > 0) {
    util.debug("==== users logged out: " + usersLoggedOut);
  }

}, staleSessionPurgeInterval);


// file: client/session/session.js
Meteor.startup(function() {
  // redirect users who have been logged out
  Meteor.setInterval(function() {
    var routePath = Router.current().path;
    // no need to check at these URLs
    if (_.include(['/login', '/logintw'], routePath))
      return;

    Deps.autorun(function(){
      var user = Meteor.user();
      if (user && user.forceLogout) {
        console.log("==== user has been logged out on the server redirect to /login");
        Meteor.users.update({_id: Meteor.userId()}, {$unset: {heartbeat: 1, 'forceLogout': 1}});
        Meteor.logout();
        Router.go('login');
      }
    });

  }, heartbeatInterval / 2);
});