3 files changed, 27 insertions, 0 deletions
diff --git a/app/models/commit_signatures/gpg_signature.rb b/app/models/commit_signatures/gpg_signature.rb
index 2ae59853520..a9e8ca2dd33 100644
--- a/app/models/commit_signatures/gpg_signature.rb
+++ b/app/models/commit_signatures/gpg_signature.rb
@@ -2,6 +2,7 @@
 module CommitSignatures
   class GpgSignature < ApplicationRecord
     include CommitSignature
+    include SignatureType
 
     sha_attribute :gpg_key_primary_keyid
 
@@ -10,6 +11,14 @@ module CommitSignatures
 
     validates :gpg_key_primary_keyid, presence: true
 
+    def signed_by_user
+      gpg_key&.user
+    end
+
+    def type
+      :gpg
+    end
+
     def self.with_key_and_subkeys(gpg_key)
       subkey_ids = gpg_key.subkeys.pluck(:id)
 
diff --git a/app/models/commit_signatures/ssh_signature.rb b/app/models/commit_signatures/ssh_signature.rb
index 7a8d0653fcd..1e64e2b2978 100644
--- a/app/models/commit_signatures/ssh_signature.rb
+++ b/app/models/commit_signatures/ssh_signature.rb
@@ -3,7 +3,16 @@
 module CommitSignatures
   class SshSignature < ApplicationRecord
     include CommitSignature
+    include SignatureType
 
     belongs_to :key, optional: true
+
+    def type
+      :ssh
+    end
+
+    def signed_by_user
+      key&.user
+    end
   end
 end
diff --git a/app/models/commit_signatures/x509_commit_signature.rb b/app/models/commit_signatures/x509_commit_signature.rb
index 2cbb331dd7e..4edbc147502 100644
--- a/app/models/commit_signatures/x509_commit_signature.rb
+++ b/app/models/commit_signatures/x509_commit_signature.rb
@@ -2,15 +2,24 @@
 module CommitSignatures
   class X509CommitSignature < ApplicationRecord
     include CommitSignature
+    include SignatureType
 
     belongs_to :x509_certificate, class_name: 'X509Certificate', foreign_key: 'x509_certificate_id', optional: false
 
     validates :x509_certificate_id, presence: true
 
+    def type
+      :x509
+    end
+
     def x509_commit
       return unless commit
 
       Gitlab::X509::Commit.new(commit)
     end
+
+    def signed_by_user
+      commit&.committer
+    end
   end
 end