local ip = ngx.var.binary_remote_addr local limit = ngx.shared.limit local req,_=limit:get(ip) if req then if req > 20 then ngx.exit(503) else limit:incr(ip,1) end else limit:set(ip,1,10) end local jsjump = ngx.shared.jsjump local uri = ngx.var.request_uri local jspara,flags=jsjump:get(ip) local args = ngx.req.get_uri_args() if jspara then if flags then ngx.exec("@cc") else local p_jskey='' if args["jskey"] and type(args["jskey"])=='table' then p_jskey=args["jskey"][table.getn(args["jskey"])] else p_jskey=args["jskey"] end if p_jskey and p_jskey==tostring(jspara) then jsjump:set(ip,jspara,3600,1) ngx.exec("@cc") else local url='' if ngx.var.args then url=ngx.var.scheme.."://"..ngx.var.host..uri.."&jskey="..jspara else url=ngx.var.scheme.."://"..ngx.var.host..uri.."?jskey="..jspara end local jscode="<script>window.location.href='"..url.."';</script>" ngx.say(jscode) end end else math.randomseed( os.time() ); local random=math.random(100000,999999) jsjump:set(ip,random,60) local url='' if ngx.var.args then url=ngx.var.scheme.."://"..ngx.var.host..uri.."&jskey="..random else url=ngx.var.scheme.."://"..ngx.var.host..uri.."?jskey="..random end local jscode="<script>window.location.href='"..url.."';</script>" ngx.say(jscode) end