We can collect user groups now

lib/gitlab/ldap/group.rb

@@ -31,8 +31,6 @@ module Gitlab
         end.compact
       end
 
-      private
-
       def member_uids
         if entry.respond_to? :memberuid
           entry.memberuid
@@ -43,6 +41,8 @@ module Gitlab
         end.compact
       end
 
+      private
+
       def member_dns
         if entry.respond_to? :member
           entry.member

lib/gitlab/ldap/person.rb

@@ -21,15 +21,29 @@ module Gitlab
         entry.cn.join(" ")
       end
 
-      def username
+      def uid
         entry.uid.join(" ")
       end
 
+      def username
+        uid
+      end
+
+      def groups
+        adapter.groups.select do |group|
+          group.member_uids.include?(uid)
+        end
+      end
+
       private
 
       def entry
         @entry
       end
+
+      def adapter
+        @adapter ||= Gitlab::LDAP::Adapter.new
+      end
     end
   end
 end