proxy.conf

server {
	listen 9999;
	resolver 233.5.5.5 233.6.6.6 114.114.114.114 valid=3600s;

	location ~.*\.(jpg|png|jpeg|gif|js|css|ico)$ {
		 proxy_pass http://$http_host$request_uri;
	}

	location / {
		allow 222.73.199.34;
		deny all;

		default_type 'text/plain';
		access_by_lua_block {
			
			function conv2str (o)
				local rs = ""
				if type(o) == "string" then
					rs = o
				elseif type(o) == "nil" then
					rs = "nil"
				elseif type(o) == "number" then
					rs = tostring(o)
				elseif type(o) == "boolean" then
					rs = tostring(o)
				elseif type(o) == "table" then
					for k,v in pairs(o) do
						if type(v)=="string" then
							rs = rs..k.."="..v.."&"
						else
							rs = rs..k.."="..conv2str(v).."&"
						end
					end
					if string.find(rs, "&", string.len(rs)-1) ~= nil then
						rs = string.sub(rs, 0, string.len(rs)-1)
					end
				else
					error("cannot serialize a " .. type(o))
				end
				return rs
			end

			function postargs()
				ngx.req.read_body()
				local post=""
				local args, err = ngx.req.get_post_args() or {}
				post=conv2str(args)
				return post
			end

			
			function logall()
				local remote=ngx.var.remote_addr or "-"
				local host=ngx.var.http_host or "-"
				local nowtime=ngx.var.time_local or "-"
				local reqMethod=ngx.req.get_method() or "-"
				local reqUri=string.gsub(ngx.var.request_uri, "?.*", "") or "-"
				local args=""
				local post=""
				local headers=ngx.req.get_headers()
				local cookies=conv2str(headers["Cookie"])
				local useragent=conv2str(headers["User-Agent"])
				local header=conv2str(headers)
				local line=""

				args = conv2str(ngx.req.get_uri_args())
				if reqMethod == "POST" then
					args = postargs()
				end

				line = '{"method":"'..reqMethod..'", "host":"'..host..'", "uri":"'..reqUri..'", "args":"'..args..'",  "cookie":"'..cookies..'", "agent":"'..useragent..'", "remote":"'..remote..'", "nowtime":"'..nowtime..'"}'
				--ngx.say(line)

				local redis = require "resty.redis"
				local red = redis:new()
				red:set_timeout(1000) -- 1 sec
				local ok, err = red:connect("172.22.1.44", 2000)
				if not ok then
					ngx.say("failed to connect: ", err)
					return
				end
				local res, err = red:auth("SEC")
				red:hmset("proxy."..host, "http://"..host..reqUri, line)
				red:close()

			end

			local ret,err = pcall(logall)
			
			if ret then
				return
			else
				ngx.say("failed ", err)
			end
		}
		proxy_pass http://$http_host$request_uri;
		proxy_set_header Host      $host;
		proxy_set_header X-Real-IP $remote_addr;
	}
}