auth_attributes_for

# File activeresource/lib/active_resource/connection.rb, line 260
      def auth_attributes_for(uri, request_digest, params)
        [
          %Q(username="#{@user}"),
          %Q(realm="#{params['realm']}"),
          %Q(qop="#{params['qop']}"),
          %Q(uri="#{uri.path}"),
          %Q(nonce="#{params['nonce']}"),
          %Q(nc="0"),
          %Q(cnonce="#{params['cnonce']}"),
          %Q(opaque="#{params['opaque']}"),
          %Q(response="#{request_digest}")].join(", ")
      end