1 files changed, 6 insertions, 27 deletions
diff --git a/lib/gitlab/x509/tag.rb b/lib/gitlab/x509/tag.rb
index ad85b200130..cf24e6f62bd 100644
--- a/lib/gitlab/x509/tag.rb
+++ b/lib/gitlab/x509/tag.rb
@@ -4,37 +4,16 @@ require 'digest'
 
 module Gitlab
   module X509
-    class Tag
+    class Tag < Gitlab::SignedTag
       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 StandardError
-        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}
+        strong_memoize(:signature) do
+          super
 
-#{@raw_tag.message.gsub(/-----BEGIN SIGNED MESSAGE-----(.*)-----END SIGNED MESSAGE-----/m, "")}}
+          signature = X509::Signature.new(signature_text, signed_text, @tag.tagger.email, Time.at(@tag.tagger.date.seconds))
+          signature unless signature.verified_signature.nil?
+        end
       end
     end
   end