lib/mixpanel/tracker.rb in mixpanel-1.1.1 vs lib/mixpanel/tracker.rb in mixpanel-1.1.2

@@ -27,10 +27,16 @@
       params = build_event(event, options)
       parse_response request(params)
     end
 
     def ip
-      @env.has_key?("REMOTE_ADDR") ? @env["REMOTE_ADDR"] : ""
+      if @env.has_key?("HTTP_X_FORWARDED_FOR")
+        @env["HTTP_X_FORWARDED_FOR"].split(",").last
+      elsif @env.has_key?("REMOTE_ADDR")
+        @env["REMOTE_ADDR"]
+      else
+        ""
+      end
     end
 
     def queue
       @env["mixpanel_events"]
     end