socks5 over http
http parameter: GET http://example.com/socks.html?method=1&addr=192.168.1.1&port=443&data=urlsafe_base64()
POST application/x-www-form-urlencoded method=1&addr=192.168.1.1&port=443&data=urlsafe_base64()
application/octet-stream raw socks data
WebSocket raw socks data
client receive data: raw socks data