gistfile1.rb

class ParameterFilterProcessor
  def self.create(filters)
    Class.new(Raven::Processor::Processor) do
      @filters = filters

      def initialize(client = nil)
        @parameter_filter = ActionDispatch::Http::ParameterFilter.new(self.class.filters)
      end

      def process(value)
        if value['request'] && value['request']['query_string'].present?
          query    = Rack::Utils.parse_query(value['request']['query_string'])
          filtered = @parameter_filter.filter(query)

          value['request']['query_string'] = Rack::Utils.build_query(filtered)
        end

        @parameter_filter.filter(value)
      end

      def self.filters
        @filters
      end
    end
  end
end