Module: Datadog::AppSec::Contrib::Rails::Reactive::Action

Defined in:
lib/datadog/appsec/contrib/rails/reactive/action.rb

Overview

Dispatch data from a Rails request to the WAF context

Class Method Summary collapse

Class Method Details

.publish(op, gateway_request) ⇒ Object 



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# File 'lib/datadog/appsec/contrib/rails/reactive/action.rb', line 18

def self.publish(op, gateway_request)
  catch(:block) do
    # params have been parsed from the request body
    op.publish('rails.request.body', gateway_request.parsed_body)
    op.publish('rails.request.route_params', gateway_request.route_params)

    nil
  end
end

.subscribe(op, waf_context) ⇒ Object 



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# File 'lib/datadog/appsec/contrib/rails/reactive/action.rb', line 28

def self.subscribe(op, waf_context)
  op.subscribe(*ADDRESSES) do |*values|
    Datadog.logger.debug { "reacted to #{ADDRESSES.inspect}: #{values.inspect}" }
    body = values[0]
    path_params = values[1]

    waf_args = {
      'server.request.body' => body,
      'server.request.path_params' => path_params,
    }

    waf_timeout = Datadog.configuration.appsec.waf_timeout
    result = waf_context.run(waf_args, waf_timeout)

    Datadog.logger.debug { "WAF TIMEOUT: #{result.inspect}" } if result.timeout

    case result.status
    when :match
      Datadog.logger.debug { "WAF: #{result.inspect}" }

      yield result
      throw(:block, true) unless result.actions.empty?
    when :ok
      Datadog.logger.debug { "WAF OK: #{result.inspect}" }
    when :invalid_call
      Datadog.logger.debug { "WAF CALL ERROR: #{result.inspect}" }
    when :invalid_rule, :invalid_flow, :no_rule
      Datadog.logger.debug { "WAF RULE ERROR: #{result.inspect}" }
    else
      Datadog.logger.debug { "WAF UNKNOWN: #{result.status.inspect} #{result.inspect}" }
    end
  end
end