{ set bereq.backend = synthbackend.from_string("{}"); return(fetch); } db.command("EVAL"); db.push({" local session = redis.call('GET', KEYS[1]) if session == nil then return '{}' end local result = string.gsub(session, '[%c]', '') local username = string.gsub(result,'.+Userusername\";s:[0-9]+:\"([^\"]+)\";.+','%1') if username == nil then return '{}' end return '{"username":"'.. username ..'"}' "}); db.push(1); db.push("sf_s"+cookieplus.get("PHPSESSID")); db.execute(); set bereq.backend = synthbackend.from_string(db.get_string_reply()); } } sub vcl_backend_response { if(bereq.url == "/session") { set beresp.http.Content-Type = "application/json; charset=utf-8"; set beresp.ttl = 3600s; set beresp.http.vary = "x-session"; } } REDIS LUA CODE