debian-mirror-gitlab/lib/gitlab/ci/parsers/sbom/cyclonedx.rb
2022-08-27 11:52:29 +05:30

79 lines
2.1 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Ci
module Parsers
module Sbom
class Cyclonedx
SUPPORTED_SPEC_VERSIONS = %w[1.4].freeze
COMPONENT_ATTRIBUTES = %w[type name version].freeze
def parse!(blob, sbom_report)
@report = sbom_report
@data = Gitlab::Json.parse(blob)
return unless valid?
parse_report
rescue JSON::ParserError => e
report.add_error("Report JSON is invalid: #{e}")
end
private
attr_reader :json_data, :report, :data
def schema_validator
@schema_validator ||= Validators::CyclonedxSchemaValidator.new(data)
end
def valid?
valid_schema? && supported_spec_version?
end
def supported_spec_version?
return true if SUPPORTED_SPEC_VERSIONS.include?(data['specVersion'])
report.add_error(
"Unsupported CycloneDX spec version. Must be one of: %{versions}" \
% { versions: SUPPORTED_SPEC_VERSIONS.join(', ') }
)
false
end
def valid_schema?
return true if schema_validator.valid?
schema_validator.errors.each { |error| report.add_error(error) }
false
end
def parse_report
parse_metadata_properties
parse_components
end
def parse_metadata_properties
properties = data.dig('metadata', 'properties')
source = CyclonedxProperties.parse_source(properties)
report.set_source(source) if source
end
def parse_components
data['components']&.each do |component|
next unless supported_component_type?(component['type'])
report.add_component(component.slice(*COMPONENT_ATTRIBUTES))
end
end
def supported_component_type?(type)
::Enums::Sbom.component_types.include?(type.to_sym)
end
end
end
end
end
end