Block user if he/she was blocked in Active Directory

CHANGELOG

@@ -59,6 +59,7 @@ v 7.9.0 (unreleased)
   - Added blue thmeme
   - Remove annoying notice messages when create/update merge request
   - Allow smb:// links in Markdown text.
+  - Block user if he/she was blocked in Active Directory
 
 v 7.8.4
   - Fix issue_tracker_id substitution in custom issue trackers

lib/gitlab/ldap/access.rb

@@ -34,7 +34,14 @@ module Gitlab
       def allowed?
         if Gitlab::LDAP::Person.find_by_dn(user.ldap_identity.extern_uid, adapter)
           return true unless ldap_config.active_directory
-          !Gitlab::LDAP::Person.disabled_via_active_directory?(user.ldap_identity.extern_uid, adapter)
+
+          # Block user in GitLab if he/she was blocked in AD
+          if Gitlab::LDAP::Person.disabled_via_active_directory?(user.ldap_identity.extern_uid, adapter)
+            user.block unless user.blocked?
+            false
+          else
+            true
+          end
         else
           false
         end

spec/lib/gitlab/ldap/access_spec.rb

@@ -20,6 +20,11 @@ describe Gitlab::LDAP::Access do
         before { Gitlab::LDAP::Person.stub(disabled_via_active_directory?: true) }
 
         it { is_expected.to be_falsey }
+
+        it "should block user in GitLab" do
+          access.allowed?
+          user.should be_blocked
+        end
       end
 
       context 'and has no disabled flag in active diretory' do