add s.onUserLog event handler

libs/extenders.js

@@ -5,6 +5,11 @@ module.exports = function(s,config){
         s.onSocketAuthenticationExtensions.push(callback)
     }
     //
+    s.onUserLogExtensions = []
+    s.onUserLog = function(callback){
+        s.onUserLogExtensions.push(callback)
+    }
+    //
     s.loadGroupExtensions = []
     s.loadGroupExtender = function(callback){
         s.loadGroupExtensions.push(callback)

libs/user.js

@@ -105,7 +105,17 @@ module.exports = function(s,config,lang){
                 }
             })
         }
-        s.tx({f:'log',ke:e.ke,mid:e.mid,log:x,time:s.timeObject()},'GRPLOG_'+e.ke);
+        const logEvent = {
+            f: 'log',
+            ke: e.ke,
+            mid: e.mid,
+            log: x,
+            time: s.timeObject()
+        }
+        s.tx(logEvent,'GRPLOG_'+e.ke);
+        s.onUserLogExtensions.forEach(function(extender){
+            extender(logEvent)
+        })
     }
     s.loadGroup = function(e){
         s.loadGroupExtensions.forEach(function(extender){