WIP reorganization

legacy/Packages/meteor-stale-session/server.js

@@ -0,0 +1,37 @@
+//
+// Server side activity detection for the session timeout
+//
+// Meteor settings:
+// - staleSessionInactivityTimeout: the amount of time (in ms) after which, if no activity is noticed, a session will be considered stale
+// - staleSessionPurgeInterval: interval (in ms) at which stale sessions are purged i.e. found and forcibly logged out
+//
+var staleSessionPurgeInterval = Meteor.settings && Meteor.settings.public && Meteor.settings.public.staleSessionPurgeInterval || (1*60*1000); // 1min
+var inactivityTimeout = Meteor.settings && Meteor.settings.public && Meteor.settings.public.staleSessionInactivityTimeout || (30*60*1000); // 30mins
+
+//
+// provide a user activity heartbeat method which stamps the user record with a timestamp of the last
+// received activity heartbeat.
+//
+Meteor.methods({
+    heartbeat: function(options) {
+        if (!this.userId) { return; }
+        var user = Meteor.users.findOne(this.userId);
+        if (user) {
+            var heartbeatTime = new Date();
+            Meteor.users.update(user._id, {$set: {heartbeat: heartbeatTime}});
+            return heartbeatTime;
+        }
+    }
+});
+
+
+//
+// periodically purge any stale sessions, removing their login tokens and clearing out the stale heartbeat.
+//
+Meteor.setInterval(function() {
+    var now = new Date(), overdueTimestamp = new Date(now-inactivityTimeout);
+    Meteor.users.update({heartbeat: {$lt: overdueTimestamp}},
+                        {$set: {'services.resume.loginTokens': []},
+                         $unset: {heartbeat:1}},
+                        {multi: true});
+}, staleSessionPurgeInterval);