Associate GgpSignature with GpgKeySubkey if comes from a subkey

Additionally we're delegating missing method calls on GpgKeySubkey to
GpgKey since most of the info required when verifying a signature is
found on GpgKey which is the parent of GpgKeySubkey

1 files changed, 15 insertions, 0 deletions

diff --git a/app/models/gpg_key_subkey.rb b/app/models/gpg_key_subkey.rb
index 4f967f1e47c..8222e5606aa 100644
--- a/app/models/gpg_key_subkey.rb
+++ b/app/models/gpg_key_subkey.rb
@@ -1,3 +1,18 @@
 class GpgKeySubkey < ActiveRecord::Base
+  include ShaAttribute
+
+  sha_attribute :keyid
+  sha_attribute :fingerprint
+
   belongs_to :gpg_key
+
+  def method_missing(m, *a, &b)
+    return super unless gpg_key.respond_to?(m)
+
+    gpg_key.public_send(m, *a, &b) # rubocop:disable GitlabSecurity/PublicSend
+  end
+
+  def respond_to_missing?(method, include_private = false)
+    gpg_key.respond_to?(method, include_private) || super
+  end
 end