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# frozen_string_literal: true
module Gitlab
module Ci
module Parsers
module Sbom
class Cyclonedx
SUPPORTED_SPEC_VERSIONS = %w[1.4].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_with_index do |component_data, index|
component = ::Gitlab::Ci::Reports::Sbom::Component.new(
type: component_data['type'],
name: component_data['name'],
purl: component_data['purl'],
version: component_data['version']
)
report.add_component(component) if component.ingestible?
rescue ::Sbom::PackageUrl::InvalidPackageUrl
report.add_error("/components/#{index}/purl is invalid")
end
end
end
end
end
end
end
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