Contents

module RequestLogAnalyzer::Filter
  # Filter to anonymize parsed values
  # Options
  # * <tt>:mode</tt> :reject or :accept.
  # * <tt>:field</tt> Specific field to accept or reject.
  # * <tt>:value</tt> Value that the field should match to be accepted or rejected.
  class Anonymize < Base
    def generate_random_ip
      "#{rand(256)}.#{rand(256)}.#{rand(256)}.#{rand(256)}"
    end

    def anonymize_url(value)
      value.sub(/^https?\:\/\/[A-Za-z0-9\.-]+\//, 'http://example.com/')
    end

    def fuzz(value)
      value * ((75 + rand(50)) / 100.0)
    end

    def filter(request)
      # TODO: request.attributes is bad practice
      request.attributes.each do |key, value|
        if key == :ip
          request.attributes[key] = generate_random_ip
        elsif key == :url
          request.attributes[key] = anonymize_url(value)
        elsif [:duration, :view, :db, :type, :after_filters_time, :before_filters_time,
               :action_time].include?(key)
          request.attributes[key] = fuzz(value)
        end
      end

      request
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
request-log-analyzer-1.13.4	lib/request_log_analyzer/filter/anonymize.rb
request-log-analyzer-1.13.3	lib/request_log_analyzer/filter/anonymize.rb