require "cgi"
require 'zlib'

module Ciam
  module Saml
    module Coding
      def decode(encoded)
        Base64.decode64(encoded)
      end

      def encode(encoded)
        Base64.encode64(encoded).gsub(/\n/, "")
      end

      def escape(unescaped)
        CGI.escape(unescaped)
      end

      def unescape(escaped)
        CGI.unescape(escaped)
      end

      def inflate(deflated)
        zlib = Zlib::Inflate.new(-Zlib::MAX_WBITS)
        zlib.inflate(deflated)
      end

      def deflate(inflated)
        Zlib::Deflate.deflate(inflated, 9)[2..-5]
      end

    end
  end
end