Add invisible captcha application setting

And remove feature flag

Gemfile

@@ -57,7 +57,7 @@ gem 'gssapi', group: :kerberos
 # Spam and anti-bot protection
 gem 'recaptcha', '~> 4.11', require: 'recaptcha/rails'
 gem 'akismet', '~> 3.0'
-gem 'invisible_captcha', '~> 0.12.1'
+gem 'invisible_captcha', '~> 1.1.0'
 
 # Two-factor authentication
 gem 'devise-two-factor', '~> 3.1.0'

Gemfile.lock

@@ -603,8 +603,8 @@ GEM
     i18n_data (0.8.0)
     icalendar (2.4.1)
     ice_nine (0.11.2)
-    invisible_captcha (0.12.1)
-      rails (>= 3.2.0)
+    invisible_captcha (1.1.0)
+      rails (>= 4.2)
     ipaddress (0.8.3)
     jaeger-client (1.1.0)
       opentracing (~> 0.3)
@@ -1397,7 +1397,7 @@ DEPENDENCIES
   html2text
   httparty (~> 0.16.4)
   icalendar
-  invisible_captcha (~> 0.12.1)
+  invisible_captcha (~> 1.1.0)
   ipaddress (~> 0.8.3)
   jira-ruby (~> 2.1.4)
   js_regex (~> 3.4)

app/controllers/concerns/invisible_captcha_on_signup.rb

@@ -8,7 +8,7 @@ module InvisibleCaptchaOnSignup
   end
 
   def on_honeypot_spam_callback
-    return unless Feature.enabled?(:invisible_captcha)
+    return unless Gitlab::CurrentSettings.invisible_captcha_enabled
 
     invisible_captcha_honeypot_counter.increment
     log_request('Invisible_Captcha_Honeypot_Request')
@@ -17,7 +17,7 @@ module InvisibleCaptchaOnSignup
   end
 
   def on_timestamp_spam_callback
-    return unless Feature.enabled?(:invisible_captcha)
+    return unless Gitlab::CurrentSettings.invisible_captcha_enabled
 
     invisible_captcha_timestamp_counter.increment
     log_request('Invisible_Captcha_Timestamp_Request')

app/helpers/application_settings_helper.rb

@@ -242,6 +242,7 @@ module ApplicationSettingsHelper
       :housekeeping_incremental_repack_period,
       :html_emails_enabled,
       :import_sources,
+      :invisible_captcha_enabled,
       :max_artifacts_size,
       :max_attachment_size,
       :max_import_size,

app/models/application_setting.rb

@@ -171,7 +171,7 @@ class ApplicationSetting < ApplicationRecord
   validates :default_artifacts_expire_in, presence: true, duration: true
 
   validates :container_expiration_policies_enable_historic_entries,
-            inclusion: { in: [true, false], message: 'must be a boolean value' }
+            inclusion: { in: [true, false], message: _('must be a boolean value') }
 
   validates :container_registry_token_expire_delay,
             presence: true,
@@ -309,6 +309,9 @@ class ApplicationSetting < ApplicationRecord
   validates :container_registry_expiration_policies_worker_capacity,
             numericality: { only_integer: true, greater_than_or_equal_to: 0 }
 
+  validates :invisible_captcha_enabled,
+            inclusion: { in: [true, false], message: _('must be a boolean value') }
+
   SUPPORTED_KEY_TYPES.each do |type|
     validates :"#{type}_key_restriction", presence: true, key_restriction: { type: type }
   end
@@ -469,7 +472,7 @@ class ApplicationSetting < ApplicationRecord
   attr_encrypted :cloud_license_auth_token, encryption_options_base_truncated_aes_256_gcm
 
   validates :disable_feed_token,
-            inclusion: { in: [true, false], message: 'must be a boolean value' }
+            inclusion: { in: [true, false], message: _('must be a boolean value') }
 
   before_validation :ensure_uuid!
 

app/models/application_setting_implementation.rb

@@ -91,6 +91,7 @@ module ApplicationSettingImplementation
         housekeeping_gc_period: 200,
         housekeeping_incremental_repack_period: 10,
         import_sources: Settings.gitlab['import_sources'],
+        invisible_captcha_enabled: false,
         issues_create_limit: 300,
         local_markdown_version: 0,
         login_recaptcha_protection_enabled: false,

app/views/admin/application_settings/_spam.html.haml

@@ -28,6 +28,14 @@
     .form-group
       = f.text_field :recaptcha_private_key, class: 'form-control'
 
+    .form-group
+      .form-check
+        = f.check_box :invisible_captcha_enabled, class: 'form-check-input'
+        = f.label :invisible_captcha_enabled, class: 'form-check-label' do
+          = _('Enable Invisible Captcha during sign up')
+        %span.form-text.text-muted
+          = _('Helps prevent bots from creating accounts.')
+
     .form-group
       .form-check
         = f.check_box :akismet_enabled, class: 'form-check-input'

app/views/admin/application_settings/reporting.html.haml

@@ -11,7 +11,7 @@
     %p
       - recaptcha_v2_link_url = 'https://developers.google.com/recaptcha/docs/versions'
       - recaptcha_v2_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: recaptcha_v2_link_url }
-      = _('Enable reCAPTCHA or Akismet and set IP limits. For reCAPTCHA, we currently only support %{recaptcha_v2_link_start}v2%{recaptcha_v2_link_end}').html_safe % { recaptcha_v2_link_start: recaptcha_v2_link_start, recaptcha_v2_link_end: '</a>'.html_safe }
+      = _('Enable reCAPTCHA, Invisible Captcha, Akismet and set IP limits. For reCAPTCHA, we currently only support %{recaptcha_v2_link_start}v2%{recaptcha_v2_link_end}').html_safe % { recaptcha_v2_link_start: recaptcha_v2_link_start, recaptcha_v2_link_end: '</a>'.html_safe }
   .settings-content
     = render 'spam'
 

app/views/devise/shared/_signup_box.html.haml

@@ -10,7 +10,7 @@
   = form_for(resource, as: "new_#{resource_name}", url: url, html: { class: 'new_user gl-show-field-errors', 'aria-live' => 'assertive' }) do |f|
     .devise-errors
       = render 'devise/shared/error_messages', resource: resource
-    - if Feature.enabled?(:invisible_captcha)
+    - if Gitlab::CurrentSettings.invisible_captcha_enabled
       = invisible_captcha
     .name.form-row
       .col.form-group

changelogs/unreleased/invisible-captcha-as-application-setting.yml

+---
+title: Add setting to enable Invisible Captcha
+merge_request: 50650
+author:
+type: added

config/feature_flags/development/invisible_captcha.yml

----
-name: invisible_captcha
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/31625
-rollout_issue_url: 
-milestone: '12.2'
-type: development
-group: group::acquisition
-default_enabled: false

db/migrate/20201229105948_add_invisible_captcha_enabled_to_settings.rb

+# frozen_string_literal: true
+
+class AddInvisibleCaptchaEnabledToSettings < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :application_settings, :invisible_captcha_enabled, :boolean, null: false, default: false
+  end
+end

db/schema_migrations/20201229105948

+cf391e617ef16f70c0daa4584959d36eda4b29c7e211f3f90ad74b4ebbc7ebbd
\ No newline at end of file

db/structure.sql

@@ -9377,6 +9377,7 @@ CREATE TABLE application_settings (
     disable_feed_token boolean DEFAULT false NOT NULL,
     personal_access_token_prefix text,
     rate_limiting_response_text text,
+    invisible_captcha_enabled boolean DEFAULT false NOT NULL,
     container_registry_cleanup_tags_service_max_list_size integer DEFAULT 200 NOT NULL,
     CONSTRAINT app_settings_container_reg_cleanup_tags_max_list_size_positive CHECK ((container_registry_cleanup_tags_service_max_list_size >= 0)),
     CONSTRAINT app_settings_registry_exp_policies_worker_capacity_positive CHECK ((container_registry_expiration_policies_worker_capacity >= 0)),

doc/api/settings.md

@@ -300,6 +300,7 @@ listed in the descriptions of the relevant settings.
 | `housekeeping_incremental_repack_period` | integer          | required by: `housekeeping_enabled`  | Number of Git pushes after which an incremental `git repack` is run. |
 | `html_emails_enabled`                    | boolean          | no                                   | Enable HTML emails. |
 | `import_sources`                         | array of strings | no                                   | Sources to allow project import from, possible values: `github`, `bitbucket`, `bitbucket_server`, `gitlab`, `fogbugz`, `git`, `gitlab_project`, `gitea`, `manifest`, and `phabricator`. |
+| `invisible_captcha_enabled`              | boolean          | no                                   | Enable Invisible Captcha spam detection during signup. Disabled by default. |
 | `issues_create_limit`                    | integer          | no                                   | Max number of issue creation requests per minute per user. Disabled by default.|
 | `local_markdown_version`                 | integer          | no                                   | Increase this value when any cached Markdown should be invalidated. |
 | `maintenance_mode_message`               | string           | no                                   | **(PREMIUM)** Message displayed when instance is in maintenance mode |

ee/app/models/group_merge_request_approval_setting.rb

@@ -6,7 +6,7 @@ class GroupMergeRequestApprovalSetting < ApplicationRecord
   belongs_to :group, inverse_of: :group_merge_request_approval_setting
 
   validates :group, presence: true
-  validates :allow_author_approval, inclusion: { in: [true, false], message: 'must be a boolean value' }
+  validates :allow_author_approval, inclusion: { in: [true, false], message: _('must be a boolean value') }
 
   scope :find_or_initialize_by_group, ->(group) {
     find_or_initialize_by(group: group)

lib/api/settings.rb

@@ -91,6 +91,7 @@ module API
       optional :import_sources, type: Array[String], coerce_with: Validations::Types::CommaSeparatedToArray.coerce,
                                 values: %w[github bitbucket bitbucket_server gitlab google_code fogbugz git gitlab_project gitea manifest phabricator],
                                 desc: 'Enabled sources for code import during project creation. OmniAuth must be configured for GitHub, Bitbucket, and GitLab.com'
+      optional :invisible_captcha_enabled, type: Boolean, desc: 'Enable Invisible Captcha spam detection during signup.'
       optional :max_artifacts_size, type: Integer, desc: "Set the maximum file size for each job's artifacts"
       optional :max_attachment_size, type: Integer, desc: 'Maximum attachment size in MB'
       optional :max_import_size, type: Integer, desc: 'Maximum import size in MB'

locale/gitlab.pot

@@ -10602,6 +10602,9 @@ msgstr ""
 msgid "Enable Incident Management inbound alert limit"
 msgstr ""
 
+msgid "Enable Invisible Captcha during sign up"
+msgstr ""
+
 msgid "Enable Kroki"
 msgstr ""
 
@@ -10689,7 +10692,7 @@ msgstr ""
 msgid "Enable proxy"
 msgstr ""
 
-msgid "Enable reCAPTCHA or Akismet and set IP limits. For reCAPTCHA, we currently only support %{recaptcha_v2_link_start}v2%{recaptcha_v2_link_end}"
+msgid "Enable reCAPTCHA, Invisible Captcha, Akismet and set IP limits. For reCAPTCHA, we currently only support %{recaptcha_v2_link_start}v2%{recaptcha_v2_link_end}"
 msgstr ""
 
 msgid "Enable shared runners"
@@ -33819,6 +33822,9 @@ msgstr ""
 msgid "mrWidget|to start a merge train when the pipeline succeeds"
 msgstr ""
 
+msgid "must be a boolean value"
+msgstr ""
+
 msgid "must be a root namespace"
 msgstr ""
 

qa/qa/flow/sign_up.rb

@@ -14,14 +14,6 @@ module QA
           sign_up.fill_new_user_username_field(user.username)
           sign_up.fill_new_user_email_field(user.email)
           sign_up.fill_new_user_password_field(user.password)
-
-          # Because invisible_captcha would prevent submitting this form
-          # within 4 seconds, sleep here. This can be removed once we
-          # implement invisible_captcha as an application setting instead
-          # of a feature flag, so we can turn it off while testing.
-          # Issue: https://gitlab.com/gitlab-org/gitlab/-/issues/284113
-          sleep 5
-
           sign_up.click_new_user_register_button
         end
 

spec/controllers/registrations_controller_spec.rb

@@ -6,7 +6,6 @@ RSpec.describe RegistrationsController do
   include TermsHelper
 
   before do
-    stub_feature_flags(invisible_captcha: false)
     stub_application_setting(require_admin_approval_after_user_signup: false)
   end
 
@@ -193,15 +192,10 @@ RSpec.describe RegistrationsController do
 
     context 'when invisible captcha is enabled' do
       before do
-        stub_feature_flags(invisible_captcha: true)
-        InvisibleCaptcha.timestamp_enabled = true
+        stub_application_setting(invisible_captcha_enabled: true)
         InvisibleCaptcha.timestamp_threshold = treshold
       end
 
-      after do
-        InvisibleCaptcha.timestamp_enabled = false
-      end
-
       let(:treshold) { 4 }
       let(:session_params) { { invisible_captcha_timestamp: form_rendered_time.iso8601 } }
       let(:form_rendered_time) { Time.current }

spec/features/users/signup_spec.rb

@@ -294,17 +294,13 @@ RSpec.describe 'Signup' do
 
   context 'when reCAPTCHA and invisible captcha are enabled' do
     before do
-      InvisibleCaptcha.timestamp_enabled = true
+      stub_application_setting(invisible_captcha_enabled: true)
       stub_application_setting(recaptcha_enabled: true)
       allow_next_instance_of(RegistrationsController) do |instance|
         allow(instance).to receive(:verify_recaptcha).and_return(true)
       end
     end
 
-    after do
-      InvisibleCaptcha.timestamp_enabled = false
-    end
-
     context 'when reCAPTCHA detects malicious behaviour' do
       before do
         allow_next_instance_of(RegistrationsController) do |instance|

spec/spec_helper.rb

@@ -369,8 +369,5 @@ end
 # Prevent Rugged from picking up local developer gitconfig.
 Rugged::Settings['search_path_global'] = Rails.root.join('tmp/tests').to_s
 
-# Disable timestamp checks for invisible_captcha
-InvisibleCaptcha.timestamp_enabled = false
-
 # Initialize FactoryDefault to use create_default helper
 TestProf::FactoryDefault.init