CC-Lock door with server support

os.pullEvent = os.pullEventRaw
local done = false
local myid = os.computerID()

while done == false do
  write("Password:")
  local password = read()
  term.clear()
  term.setCursorPos(1,1)

  rednet.open("back")
  rednet.send(ID_OF_SERVER, password)
  serverID, message, distance = rednet.receive()
  rednet.close("back")

  isValid = message

  if isValid == -1 then
    print("You are not allowed to use this channel")
  elseif isValid == 1  then
    print("Access Granted")
    redstone.setOutput("right",true)
    sleep(5)
    redstone.setOutput("right",false)
  else
    print("Wrong password")
    sleep(2)

  end
end