module CloudQuery
  module Crypto
    module Random
      extend self

      SecureRandom = (defined?(::SecureRandom) && ::SecureRandom) || (defined?(::ActiveSupport::SecureRandom) && ::ActiveSupport::SecureRandom)
      if SecureRandom
        def nonce
          "#{SecureRandom.random_number}.#{Time.now.to_i}"[2..-1]
        end
      else
        def nonce
          "#{rand.to_s}.#{Time.now.to_i}"[2..-1]
        end
      end
    end

    module URLSafeSHA1
      extend self

      def sign(*tokens)
        tokens = tokens.flatten
        digest = Digest::SHA1.digest(tokens.join)
        Base64.encode64(digest).chomp.tr('+/', '-_')
      end
    end
  end
end