added logging in

services/web/app/coffee/infrastructure/ExpressLocals.coffee

@@ -64,12 +64,14 @@ module.exports = (app, webRouter, apiRouter)->
 		cdnBlocked = req.query.nocdn == 'true' or req.session.cdnBlocked
 
 		if cdnBlocked and !req.session.cdnBlocked?
+			ip = req.ip || req.socket?.socket?.remoteAddress || req.socket?.remoteAddress
+			logger.log user_id:req?.session?.user?._id, ip:ip, "cdnBlocked for user, not using it"
 			req.session.cdnBlocked = true
 
 		isDark = req.headers?.host?.slice(0,4)?.toLowerCase() == "dark"
 		isSmoke = req.headers?.host?.slice(0,5)?.toLowerCase() == "smoke"
 		isLive = !isDark and !isSmoke
-		
+
 		if cdnAvailable and isLive and !cdnBlocked
 			staticFilesBase = Settings.cdn?.web?.host
 		else if darkCdnAvailable and isDark