Class: KMSKeyWildcardPrincipalRule

Inherits:
BaseRule show all
Defined in:
lib/cfn-nag/custom_rules/KMSKeyWildcardPrincipalRule.rb

Instance Method Summary collapse

Methods inherited from BaseRule

#audit

Instance Method Details

#audit_impl(cfn_model) ⇒ Object


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# File 'lib/cfn-nag/custom_rules/KMSKeyWildcardPrincipalRule.rb', line 20

def audit_impl(cfn_model)
  # Select all AWS::KMS::Key resources to audit
  violating_keys = cfn_model.resources_by_type('AWS::KMS::Key').select do |key|
    # Return key if wildcard_allowed_principals boolean is not empty
    !key.key_policy.policy_document.wildcard_allowed_principals.empty?
  end

  violating_keys.map(&:logical_resource_id)
end

#rule_idObject


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# File 'lib/cfn-nag/custom_rules/KMSKeyWildcardPrincipalRule.rb', line 16

def rule_id
  'F76'
end

#rule_textObject


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# File 'lib/cfn-nag/custom_rules/KMSKeyWildcardPrincipalRule.rb', line 7

def rule_text
  'KMS key should not allow * principal ' \
  '(https://docs.aws.amazon.com/kms/latest/developerguide/key-policies.html)'
end

#rule_typeObject


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# File 'lib/cfn-nag/custom_rules/KMSKeyWildcardPrincipalRule.rb', line 12

def rule_type
  Violation::FAILING_VIOLATION
end