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# frozen_string_literal: true
module License
module Management
class Repository
include Loggable
include Verifiable
KNOWN_SOURCES = [
'licenses.nuget.org',
'opensource.org',
'www.opensource.org'
].freeze
def initialize(
compatibility_path: License::Management.root.join('normalized-licenses.yml'),
spdx_path: License::Management.root.join('spdx-licenses.json')
)
@compatibility_data = YAML.safe_load(IO.read(compatibility_path))
@spdx_data = load_spdx_data_from(spdx_path)
end
def item_for(license)
spdx_data_for(id_for(license)) ||
spdx_data_for(license.short_name) ||
generate_item_for(license)
end
private
attr_reader :spdx_data, :compatibility_data
def spdx_data_for(id)
return if blank?(id)
data = spdx_data[id]
return unless data
{
'id' => data['licenseId'],
'name' => data['name'],
'url' => data['seeAlso'][-1]
}
end
def id_for(license)
ids = compatibility_data['ids']
ids[license.short_name] ||
ids[license.url] ||
known_sources(license.short_name) ||
known_sources(license.url)
end
# When `license_finder` is unable to determine the license it will use the full
# content of the file as the name of the license. This method shrinks that name
# down to just take the first line of the file.
def take_first_line_from(content)
return '' if blank?(content)
content.split(/[\r\n]+/)[0]
end
def generate_item_for(license)
name = take_first_line_from(license.name)
{
'id' => name.downcase,
'name' => name,
'url' => normalized_url(license.url)
}
end
def load_spdx_data_from(path)
content = IO.read(path)
json = JSON.parse(content)
licenses = json['licenses']
licenses.each_with_object({}) do |license, memo|
memo[license['licenseId']] = license
end
end
def known_sources(url)
return if blank?(url)
return unless /\A#{::URI::DEFAULT_PARSER.make_regexp(%w[http https])}\z/.match?(url)
uri = URI.parse(url)
return unless KNOWN_SOURCES.include?(uri.host.downcase)
uri.path.split('/')[-1]
rescue StandardError => e
logger.error(e)
nil
end
def normalized_url(url)
return '' unless present?(url)
return 'http://en.wikipedia.org/wiki/BSD_licenses' if url.match?('BSD_licenses#4-clause_license')
url
end
end
end
end
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