1 files changed, 6 insertions, 0 deletions
diff --git a/lib/gitlab/ldap/person.rb b/lib/gitlab/ldap/person.rb
index 4d6f8ac79de..9a6f7827b16 100644
--- a/lib/gitlab/ldap/person.rb
+++ b/lib/gitlab/ldap/person.rb
@@ -17,6 +17,12 @@ module Gitlab
         adapter.user('dn', dn)
       end
 
+      def self.find_by_email(email, adapter)
+        email_fields = adapter.config.attributes['email']
+
+        adapter.user(email_fields, email)
+      end
+
       def self.disabled_via_active_directory?(dn, adapter)
         adapter.dn_matches_filter?(dn, AD_USER_DISABLED)
       end