1 files changed, 20 insertions, 0 deletions
diff --git a/lib/gitlab/gpg.rb b/lib/gitlab/gpg.rb
index 64f18d00e46..73a4b691cff 100644
--- a/lib/gitlab/gpg.rb
+++ b/lib/gitlab/gpg.rb
@@ -2,6 +2,14 @@ module Gitlab
   module Gpg
     extend self
 
+    module CurrentKeyChain
+      extend self
+
+      def emails(fingerprint)
+        GPGME::Key.find(:public, fingerprint).flat_map { |raw_key| raw_key.uids.map(&:email) }
+      end
+    end
+
     def fingerprints_from_key(key)
       using_tmp_keychain do
         import = GPGME::Key.import(key)
@@ -12,6 +20,18 @@ module Gitlab
       end
     end
 
+    def emails_from_key(key)
+      using_tmp_keychain do
+        import = GPGME::Key.import(key)
+
+        return [] if import.imported == 0
+
+        fingerprints = import.imports.map(&:fingerprint)
+
+        GPGME::Key.find(:public, fingerprints).flat_map { |raw_key| raw_key.uids.map(&:email) }
+      end
+    end
+
     def add_to_keychain(key)
       GPGME::Key.import(key)
     end