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# frozen_string_literal: true
require 'openssl'
require 'digest'
module Gitlab
module X509
class Tag
include Gitlab::Utils::StrongMemoize
def initialize(raw_tag)
@raw_tag = raw_tag
end
def signature
signature = X509::Signature.new(signature_text, signed_text, @raw_tag.tagger.email, Time.at(@raw_tag.tagger.date.seconds))
return if signature.verified_signature.nil?
signature
end
private
def signature_text
@raw_tag.message.slice(@raw_tag.message.index("-----BEGIN SIGNED MESSAGE-----")..-1)
rescue
nil
end
def signed_text
# signed text is reconstructed as long as there is no specific gitaly function
%{object #{@raw_tag.target_commit.id}
type commit
tag #{@raw_tag.name}
tagger #{@raw_tag.tagger.name} <#{@raw_tag.tagger.email}> #{@raw_tag.tagger.date.seconds} #{@raw_tag.tagger.timezone}
#{@raw_tag.message.gsub(/-----BEGIN SIGNED MESSAGE-----(.*)-----END SIGNED MESSAGE-----/m, "")}}
end
end
end
end
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