Only enable LDAP group sync filter method on EEP

app/assets/javascripts/groups/ldap_group_links.js

@@ -2,6 +2,8 @@ document.addEventListener('DOMContentLoaded', () => {
   const showGroupLink = () => {
     const $cnLink = $('.cn-link');
     const $filterLink = $('.filter-link');
+    if (!$cnLink.length || !$filterLink.length) return;
+
     const $checkedSync = $('input[name="sync_method"]:checked').val() === 'group';
 
     $cnLink.toggle($checkedSync);

app/controllers/groups/ldap_group_links_controller.rb

@@ -43,6 +43,9 @@ class Groups::LdapGroupLinksController < Groups::ApplicationController
   end
 
   def ldap_group_link_params
-    params.require(:ldap_group_link).permit(:cn, :filter, :group_access, :provider)
+    attrs = %i[cn group_access provider]
+    attrs << :filter if ::License.feature_available?(:ldap_group_sync_filter)
+
+    params.require(:ldap_group_link).permit(attrs)
   end
 end

app/controllers/groups/ldaps_controller.rb

@@ -17,6 +17,6 @@ class Groups::LdapsController < Groups::ApplicationController
   private
 
   def check_enabled_extras!
-    render_404 unless Gitlab::LDAP::Config.enabled? && ::License.feature_available?(:ldap_group_sync)
+    render_404 unless Gitlab::LDAP::Config.group_sync_enabled?
   end
 end

app/models/group.rb

@@ -230,20 +230,12 @@ class Group < Namespace
     ldap_group_links.first.try(:cn)
   end
 
-  def ldap_filter
-    ldap_group_links.first.try(:filter)
-  end
-
   def ldap_access
     ldap_group_links.first.try(:group_access)
   end
 
-  def ldap_cn_or_filter_present?
-    ldap_cn.present? || ldap_filter.present?
-  end
-
   def ldap_synced?
-    Gitlab.config.ldap.enabled && ldap_cn_or_filter_present?
+    Gitlab.config.ldap.enabled && ldap_group_links.any?(&:active?)
   end
 
   def post_create_hook

app/models/ldap_group_link.rb

@@ -43,6 +43,14 @@ class LdapGroupLink < ActiveRecord::Base
     config.label
   end
 
+  def active?
+    if filter.present?
+      ::License.feature_available?(:ldap_group_sync_filter)
+    elsif cn.present?
+      ::License.feature_available?(:ldap_group_sync)
+    end
+  end
+
   private
 
   def nullify_blank_attributes

app/models/license.rb

@@ -19,10 +19,10 @@ class License < ActiveRecord::Base
     issue_weights
     jenkins_integration
     ldap_group_sync
-    multiple_ldap_servers
     merge_request_approvers
     merge_request_rebase
     merge_request_squash
+    multiple_ldap_servers
     multiple_issue_assignees
     multiple_issue_boards
     push_rules
@@ -43,6 +43,7 @@ class License < ActiveRecord::Base
     geo
     group_issue_boards
     jira_dev_panel_integration
+    ldap_group_sync_filter
     object_storage
     service_desk
     variable_environment_scope
@@ -110,6 +111,7 @@ class License < ActiveRecord::Base
     extended_audit_events
     geo
     ldap_group_sync
+    ldap_group_sync_filter
     multiple_ldap_servers
     object_storage
     repository_size_limit

app/views/admin/groups/_form.html.haml

@@ -36,7 +36,7 @@
       = f.submit 'Save changes', class: "btn btn-save"
       = link_to  'Cancel', admin_group_path(@group), class: "btn btn-cancel"
 
-- if ldap_enabled? && @group.persisted?
+- if @group.persisted? && Gitlab::LDAP::Config.group_sync_enabled?
   %h3.page-title LDAP synchronizations
   = render 'ldap_group_links/form', group: @group
   = render 'ldap_group_links/ldap_group_links', group: @group

app/views/admin/groups/show.html.haml

@@ -62,11 +62,11 @@
 
         = render partial: "namespaces/shared_runner_status", locals: { namespace: @group }
 
+    - if Gitlab::LDAP::Config.group_sync_enabled? && @group.ldap_synced?
       .panel.panel-default
         .panel-heading Active synchronizations
         %ul.well-list
-        - if @group.ldap_group_links.any?
-          - @group.ldap_group_links.each do |ldap_group_link|
+          - @group.ldap_group_links.select(&:active?).each do |ldap_group_link|
             %li
               %strong= ldap_group_link.cn ? "Group: #{ldap_group_link.cn}" : "Filter: #{truncate(ldap_group_link.filter, length: 40)}"
               as

app/views/groups/group_members/_ldap_sync.html.haml

@@ -3,7 +3,7 @@
     The members of this group are managed using LDAP and cannot be added or removed here.
     Because LDAP permissions in GitLab get updated one user at a time and because GitLab caches LDAP check results, changes on your LDAP server or in this group's LDAP sync settings may take up to #{Gitlab.config.ldap['sync_time']}s to show in the list below.
     %ul
-      - @group.ldap_group_links.each do |ldap_group_link|
+      - @group.ldap_group_links.select(&:active?).each do |ldap_group_link|
         %li
           People in
           %code= ldap_group_link.cn ? "cn: #{ldap_group_link.cn}" : "filter: #{truncate(ldap_group_link.filter, length: 70)}"

app/views/ldap_group_links/_form.html.haml

@@ -9,6 +9,7 @@
         .col-sm-10
           = f.select :provider, ldap_server_select_options, {}, class: 'form-control'
 
+      - if ::License.feature_available?(:ldap_group_sync_filter)
         .form-group.row
           = f.label :cn, class: 'control-label col-sm-2' do
             Sync method
@@ -32,6 +33,7 @@
             %br
             If you select an LDAP group you do not belong to you will lose ownership of #{group.name}.
 
+      - if ::License.feature_available?(:ldap_group_sync_filter)
         .form-group.row.filter-link
           = f.label :filter, class: 'control-label col-sm-2' do
             LDAP User filter

app/views/ldap_group_links/_ldap_group_link.html.haml

@@ -13,3 +13,6 @@
       Config for LDAP server
       %code= ldap_group_link.provider
       is not present in GitLab
+
+  - unless ldap_group_link.active?
+    (Inactive because syncing with an LDAP user filter is not included in the current license)

app/workers/ldap_all_groups_sync_worker.rb

@@ -3,7 +3,7 @@ class LdapAllGroupsSyncWorker
   include CronjobQueue
 
   def perform
-    return unless Gitlab::LDAP::Config.enabled? && ::License.feature_available?(:ldap_group_sync)
+    return unless Gitlab::LDAP::Config.group_sync_enabled?
 
     logger.info 'Started LDAP group sync'
     EE::Gitlab::LDAP::Sync::Groups.execute

app/workers/ldap_group_sync_worker.rb

@@ -3,7 +3,7 @@ class LdapGroupSyncWorker
   include DedicatedSidekiqQueue
 
   def perform(group_ids, provider = nil)
-    return unless Gitlab::LDAP::Config.enabled? && ::License.feature_available?(:ldap_group_sync)
+    return unless Gitlab::LDAP::Config.group_sync_enabled?
 
     groups = Group.where(id: Array(group_ids))
 

app/workers/ldap_sync_worker.rb

@@ -3,7 +3,7 @@ class LdapSyncWorker
   include CronjobQueue
 
   def perform
-    return unless Gitlab::LDAP::Config.enabled? && ::License.feature_available?(:ldap_group_sync)
+    return unless Gitlab::LDAP::Config.group_sync_enabled?
 
     Rails.logger.info "Performing daily LDAP sync task."
     User.ldap.find_each(batch_size: 100).each do |ldap_user|

doc/administration/auth/ldap-ee.md

@@ -54,7 +54,7 @@ new groups they might be added to when the user logs in. That way they don't nee
 to wait for the hourly sync to be granted access to the groups that they are in
 in LDAP.
 
-We can also add a GitLab group to sync with one or multiple LDAP groups or we can
+In GitLab Enterprise Edition Premium, we can also add a GitLab group to sync with one or multiple LDAP groups or we can
 also add a filter. The filter must comply with the syntax defined in [RFC 2254](https://tools.ietf.org/search/rfc2254).
 
 A group sync process will run every hour on the hour, and `group_base` must be set

ee/app/views/groups/ee/_settings_nav.html.haml

-- if Gitlab::LDAP::Config.enabled? && ::License.feature_available?(:ldap_group_sync) && can?(current_user, :admin_ldap_group_links, @group)
+- if Gitlab::LDAP::Config.group_sync_enabled? && can?(current_user, :admin_ldap_group_links, @group)
   = nav_link(path: 'ldap_group_links#index') do
     = link_to group_ldap_group_links_path(@group), title: 'LDAP Group' do
       %span

ee/lib/ee/gitlab/ldap/config.rb

+module EE
+  module Gitlab
+    module LDAP
+      module Config
+        extend ActiveSupport::Concern
+
+        class_methods do
+          def group_sync_enabled?
+            enabled? && ::License.feature_available?(:ldap_group_sync)
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/ee/gitlab/ldap/sync/group.rb

@@ -74,6 +74,8 @@ module EE
             access_levels = AccessLevels.new
             # Only iterate over group links for the current provider
             group.ldap_group_links.with_provider(provider).each do |group_link|
+              next unless group_link.active?
+
               update_access_levels(access_levels, group_link)
             end
 

lib/api/groups.rb

@@ -213,7 +213,7 @@ module API
 
       desc 'Sync a group with LDAP.'
       post ":id/ldap_sync" do
-        not_found! unless Gitlab::LDAP::Config.enabled? && ::License.feature_available?(:ldap_group_sync)
+        not_found! unless Gitlab::LDAP::Config.group_sync_enabled?
 
         group = find_group!(params[:id])
         authorize! :admin_group, group

lib/gitlab/ldap/config.rb

@@ -2,6 +2,8 @@
 module Gitlab
   module LDAP
     class Config
+      include ::EE::Gitlab::LDAP::Config
+
       NET_LDAP_ENCRYPTION_METHOD = {
         simple_tls: :simple_tls,
         start_tls:  :start_tls,

spec/ee/spec/lib/ee/gitlab/ldap/sync/group_spec.rb

@@ -381,6 +381,10 @@ describe EE::Gitlab::LDAP::Sync::Group do
   end
 
   context 'filter' do
+    before do
+      stub_licensed_features(ldap_group_sync_filter: true)
+    end
+
     describe '#update_permissions' do
       before do
         # Safe-check because some permissions are removed when `Group#ldap_synced?`

spec/features/groups/group_settings_spec.rb

@@ -19,7 +19,7 @@ feature 'Edit group settings' do
       scenario 'is able to navigate to LDAP group section' do
         visit edit_group_path(group)
 
-        expect(find('.nav-sidebar')).to have_content('LDAP Group')
+        expect(find('.nav-sidebar')).to have_content('LDAP Synchronization')
       end
 
       context 'with owners not being able to manage LDAP' do
@@ -28,7 +28,7 @@ feature 'Edit group settings' do
 
           visit edit_group_path(group)
 
-          expect(find('.nav-sidebar')).not_to have_content('LDAP Group')
+          expect(find('.nav-sidebar')).not_to have_content('LDAP Synchronization')
         end
       end
     end

spec/features/groups/ldap_group_links_spec.rb

@@ -12,6 +12,11 @@ feature 'Edit group settings', :js do
   context 'LDAP sync method' do
     before do
       allow(Gitlab.config.ldap).to receive(:enabled).and_return(true)
+    end
+
+    context 'when the LDAP group sync filter feature is available' do
+      before do
+        stub_licensed_features(ldap_group_sync_filter: true)
 
         visit group_ldap_group_links_path(group)
       end
@@ -31,4 +36,25 @@ feature 'Edit group settings', :js do
         expect(page).not_to have_content('This query must use valid LDAP Search Filter Syntax')
       end
     end
+
+    context 'when the LDAP group sync filter feature is available' do
+      before do
+        stub_licensed_features(ldap_group_sync_filter: false)
+
+        visit group_ldap_group_links_path(group)
+      end
+
+      scenario 'does not show the LDAP search method switcher' do
+        expect(page).not_to have_field('sync_method_filter')
+      end
+
+      scenario 'shows the LDAP group section' do
+        expect(page).to have_content("Synchronize #{group.name}'s members with this LDAP group")
+      end
+
+      scenario 'does not shows the LDAP filter section' do
+        expect(page).not_to have_content('This query must use valid LDAP Search Filter Syntax')
+      end
+    end
+  end
 end