less crappy implementation that fixed a bug if the base64 included whitespace in the middle

gistfile1.rb

    @@http_auth_headers = %w(X-HTTP_AUTHORIZATION HTTP_AUTHORIZATION Authorization)
    # gets BASIC auth info
    def get_auth_data
      auth_key  = @@http_auth_headers.detect { |h| request.env.has_key?(h) }
      if auth_key.present? && request.env[auth_key].to_s =~ /^Basic\s+(.*)/m
        Base64.decode64($1).split(':')[0..1]
      else
        [nil, nil]
      end
    end