hubot ignores messages from not permitted room (or user)

ignore.coffee

# Description:
#   ignore not permitted messages.

permitted_rooms = process.env.HUBOT_PERMITTED_ROOMS?.split(',') || []
permitted_users = process.env.HUBOT_PERMITTED_USERS?.split(',') || []

permitted = (room) ->
  room in permitted_rooms || room in permitted_users

module.exports = (robot) ->

  receive_org = robot.receive
  robot.receive = (msg)->
    user = msg.user?.name?.trim().toLowerCase()
    room = msg.room?.trim().toLowerCase()

    if permitted room          # allow permitted room or user (direct message)
      receive_org.bind(robot)(msg)
    else
      console.log "ignored messge, from #{user} at #{room}"