```ruby
require 'cinch'

module Cinch
  class Message

    def is_admin?
      self.user.host == $master
    end

    def is_op?
      ops = self.channel.ops.map { |usr| usr.host }
      ops.include? self.user.host
    end

    def is_unauthorized
      self.reply "https://youtu.be/OBWpzvJGTz4"
    end

  end
end
```

Create YongIdentify module and prepend to Message class
user
```ruby
require 'cinch'

# User checks
module YongIdentify
  # Checks if message is from $master
  def is_admin?
    self.user.host == $master
  end

  # Checks if message is from a channel operator
  def is_op?
    ops = self.channel.ops.map { |usr| usr.host }
    ops.include? self.user.host
  end

  # Response for unauthorized users
  def is_unauthorized
    reply "https://youtu.be/OBWpzvJGTz4"
  end
end

module Cinch
  # Prepend module to top-level class Message
  class Message
    prepend YongIdentify
  end
end
```
assistant