Contents

# frozen_string_literal: true

require_relative 'processor'
require_relative 'processor/rule_merger'
require_relative 'processor/rule_loader'

module Datadog
  module AppSec
    # Core-pluggable component for AppSec
    class Component
      class << self
        def build_appsec_component(settings)
          return unless settings.respond_to?(:appsec) && settings.appsec.enabled

          processor = create_processor(settings)
          new(processor: processor)
        end

        private

        def create_processor(settings)
          rules = AppSec::Processor::RuleLoader.load_rules(ruleset: settings.appsec.ruleset)
          return nil unless rules

          data = AppSec::Processor::RuleLoader.load_data(
            ip_denylist: settings.appsec.ip_denylist,
            user_id_denylist: settings.appsec.user_id_denylist
          )

          ruleset = AppSec::Processor::RuleMerger.merge(
            rules: [rules],
            data: data,
          )

          processor = Processor.new(ruleset: ruleset)
          return nil unless processor.ready?

          processor
        end
      end

      attr_reader :processor

      def initialize(processor:)
        @processor = processor
        @mutex = Mutex.new
      end

      def reconfigure(ruleset:)
        @mutex.synchronize do
          new = Processor.new(ruleset: ruleset)

          if new && new.ready?
            old = @processor
            @processor = new
            old.finalize if old
          end
        end
      end

      def reconfigure_lock(&block)
        @mutex.synchronize(&block)
      end

      def shutdown!
        @mutex.synchronize do
          if processor && processor.ready?
            processor.finalize
            @processor = nil
          end
        end
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
ddtrace-1.12.1	lib/datadog/appsec/component.rb
ddtrace-1.12.0	lib/datadog/appsec/component.rb
ddtrace-1.11.1	lib/datadog/appsec/component.rb
ddtrace-1.11.0	lib/datadog/appsec/component.rb