Freedom patch!

gistfile1.rb

require 'rubygems'
require 'action_controller'

class String

  unless respond_to?(:sanitized)
    define_method :sanitized do
      ActionController::Base.helpers.sanitize(
        self || 'No name',
        :tags => %w(h3 h4 ul ol li p a strong em br font),
        :attributes => %w(class id name rel data-width data-height data-tip data-tip-width data-tip-position size)
      )
    end
  end

end

class Model

  def initialize(name, address)
    @name = name
    @address = address
  end

  def name
    @name
  end

  def address
    @address
  end
end

m = Model.new('<strong>My Name</strong><script>alert(1)</script>', '<script>alert("pwned")</script><font size=23>1234</font> <em>Any</em> Street')
puts("name = #{m.name}")
puts("sanitized = #{m.name.sanitized}")
puts("address = #{m.address}")
puts("sanitized = #{m.address.sanitized}")