Module: Datadog::AppSec::Configuration::Settings

Defined in:
lib/datadog/appsec/configuration/settings.rb

Overview

Settings

Constant Summary collapse

DEFAULT_OBFUSCATOR_KEY_REGEX =

rubocop:disable Layout/LineLength

'(?i)(?:p(?:ass)?w(?:or)?d|pass(?:_?phrase)?|secret|(?:api_?|private_?|public_?)key)|token|consumer_?(?:id|key|secret)|sign(?:ed|ature)|bearer|authorization'
DEFAULT_OBFUSCATOR_VALUE_REGEX = 
'(?i)(?:p(?:ass)?w(?:or)?d|pass(?:_?phrase)?|secret|(?:api_?|private_?|public_?|access_?|secret_?)key(?:_?id)?|token|consumer_?(?:id|key|secret)|sign(?:ed|ature)?|auth(?:entication|orization)?)(?:\s*=[^;]|"\s*:\s*"[^"]+")|bearer\s+[a-z0-9\._\-]+|token:[a-z0-9]{13}|gh[opsu]_[0-9a-zA-Z]{36}|ey[I-L][\w=-]+\.ey[I-L][\w=-]+(?:\.[\w.+\/=-]+)?|[\-]{5}BEGIN[a-z\s]+PRIVATE\sKEY[\-]{5}[^\-]+[\-]{5}END[a-z\s]+PRIVATE\sKEY|ssh-rsa\s*[a-z0-9\/\.+]{100,}'
APPSEC_VALID_TRACK_USER_EVENTS_MODE =

rubocop:enable Layout/LineLength

[
  'safe',
  'extended'
].freeze
APPSEC_VALID_TRACK_USER_EVENTS_ENABLED_VALUES = 
[
  '1',
  'true'
].concat(APPSEC_VALID_TRACK_USER_EVENTS_MODE).freeze

Class Method Summary collapse

Class Method Details

.add_settings!(base) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/MethodLength,Metrics/BlockLength,Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity



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# File 'lib/datadog/appsec/configuration/settings.rb', line 30

def self.add_settings!(base)
  base.class_eval do
    settings :appsec do
      option :enabled do |o|
        o.type :bool
        o.env 'DD_APPSEC_ENABLED'
        o.default false
      end

      define_method(:instrument) do |integration_name|
        if enabled
          registered_integration = Datadog::AppSec::Contrib::Integration.registry[integration_name]
          if registered_integration
            klass = registered_integration.klass
            if klass.loaded? && klass.compatible?
              instance = klass.new
              instance.patcher.patch unless instance.patcher.patched?
            end
          end
        end
      end

      option :ruleset do |o|
        o.env 'DD_APPSEC_RULES'
        o.default :recommended
      end

      option :ip_passlist do |o|
        o.default []
      end

      option :ip_denylist do |o|
        o.type :array
        o.default []
      end

      option :user_id_denylist do |o|
        o.type :array
        o.default []
      end

      option :waf_timeout do |o|
        o.env 'DD_APPSEC_WAF_TIMEOUT' # us
        o.default 5_000
        o.setter do |v|
          Datadog::Core::Utils::Duration.call(v.to_s, base: :us)
        end
      end

      option :waf_debug do |o|
        o.env 'DD_APPSEC_WAF_DEBUG'
        o.default false
        o.type :bool
      end

      option :trace_rate_limit do |o|
        o.type :int
        o.env 'DD_APPSEC_TRACE_RATE_LIMIT' # trace/s
        o.default 100
      end

      option :obfuscator_key_regex do |o|
        o.type :string
        o.env 'DD_APPSEC_OBFUSCATION_PARAMETER_KEY_REGEXP'
        o.default DEFAULT_OBFUSCATOR_KEY_REGEX
      end

      option :obfuscator_value_regex do |o|
        o.type :string
        o.env 'DD_APPSEC_OBFUSCATION_PARAMETER_VALUE_REGEXP'
        o.default DEFAULT_OBFUSCATOR_VALUE_REGEX
      end

      settings :block do
        settings :templates do
          option :html do |o|
            o.env 'DD_APPSEC_HTTP_BLOCKED_TEMPLATE_HTML'
            o.type :string, nilable: true
            o.setter do |value|
              if value
                raise(ArgumentError, "appsec.templates.html: file not found: #{value}") unless File.exist?(value)

                File.open(value, 'rb', &:read) || ''
              end
            end
          end

          option :json do |o|
            o.env 'DD_APPSEC_HTTP_BLOCKED_TEMPLATE_JSON'
            o.type :string, nilable: true
            o.setter do |value|
              if value
                raise(ArgumentError, "appsec.templates.json: file not found: #{value}") unless File.exist?(value)

                File.open(value, 'rb', &:read) || ''
              end
            end
          end

          option :text do |o|
            o.env 'DD_APPSEC_HTTP_BLOCKED_TEMPLATE_TEXT'
            o.type :string, nilable: true
            o.setter do |value|
              if value
                raise(ArgumentError, "appsec.templates.text: file not found: #{value}") unless File.exist?(value)

                File.open(value, 'rb', &:read) || ''
              end
            end
          end
        end
      end

      settings :track_user_events do
        option :enabled do |o|
          o.default true
          o.type :bool
          o.env 'DD_APPSEC_AUTOMATED_USER_EVENTS_TRACKING'
          o.env_parser do |env_value|
            if env_value == 'disabled'
              false
            else
              APPSEC_VALID_TRACK_USER_EVENTS_ENABLED_VALUES.include?(env_value.strip.downcase)
            end
          end
        end

        option :mode do |o|
          o.type :string
          o.env 'DD_APPSEC_AUTOMATED_USER_EVENTS_TRACKING'
          o.default 'safe'
          o.setter do |v|
            if APPSEC_VALID_TRACK_USER_EVENTS_MODE.include?(v)
              v
            elsif v == 'disabled'
              'safe'
            else
              Datadog.logger.warn(
                'The appsec.track_user_events.mode value provided is not supported.' \
                'Supported values are: safe | extended.' \
                'Using default value `safe`'
              )
              'safe'
            end
          end
        end
      end

      settings :api_security do
        option :enabled do |o|
          o.type :bool
          o.env 'DD_EXPERIMENTAL_API_SECURITY_ENABLED'
          o.default false
        end

        option :sample_rate do |o|
          o.type :float
          o.env 'DD_API_SECURITY_REQUEST_SAMPLE_RATE'
          o.default 0.1
          o.setter do |value|
            value = 1 if value > 1
            SampleRate.new(value)
          end
        end
      end
    end
  end
end

.extended(base) ⇒ Object 



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# File 'lib/datadog/appsec/configuration/settings.rb', line 24

def self.extended(base)
  base = base.singleton_class unless base.is_a?(Class)
  add_settings!(base)
end