Default enable webauthn feature flag

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/232671

Changelog: added

app/controllers/concerns/authenticates_with_two_factor.rb

@@ -23,9 +23,9 @@ module AuthenticatesWithTwoFactor
 
     session[:otp_user_id] = user.id
     session[:user_password_hash] = Digest::SHA256.hexdigest(user.encrypted_password)
-    push_frontend_feature_flag(:webauthn)
+    push_frontend_feature_flag(:webauthn, default_enabled: :yaml)
 
-    if Feature.enabled?(:webauthn)
+    if Feature.enabled?(:webauthn, default_enabled: :yaml)
       setup_webauthn_authentication(user)
     else
       setup_u2f_authentication(user)

app/controllers/concerns/authenticates_with_two_factor_for_admin_mode.rb

@@ -11,7 +11,7 @@ module AuthenticatesWithTwoFactorForAdminMode
     return handle_locked_user(user) unless user.can?(:log_in)
 
     session[:otp_user_id] = user.id
-    push_frontend_feature_flag(:webauthn)
+    push_frontend_feature_flag(:webauthn, default_enabled: :yaml)
 
     if user.two_factor_webauthn_enabled?
       setup_webauthn_authentication(user)

app/controllers/profiles/two_factor_auths_controller.rb

@@ -8,7 +8,7 @@ class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
   helper_method :current_password_required?
 
   before_action do
-    push_frontend_feature_flag(:webauthn)
+    push_frontend_feature_flag(:webauthn, default_enabled: :yaml)
   end
 
   feature_category :authentication_and_authorization
@@ -44,7 +44,7 @@ class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
     @qr_code = build_qr_code
     @account_string = account_string
 
-    if Feature.enabled?(:webauthn)
+    if Feature.enabled?(:webauthn, default_enabled: :yaml)
       setup_webauthn_registration
     else
       setup_u2f_registration
@@ -69,7 +69,7 @@ class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
       @error = { message: _('Invalid pin code.') }
       @qr_code = build_qr_code
 
-      if Feature.enabled?(:webauthn)
+      if Feature.enabled?(:webauthn, default_enabled: :yaml)
         setup_webauthn_registration
       else
         setup_u2f_registration

app/controllers/profiles_controller.rb

@@ -8,7 +8,7 @@ class ProfilesController < Profiles::ApplicationController
   before_action :authorize_change_username!, only: :update_username
   skip_before_action :require_email, only: [:show, :update]
   before_action do
-    push_frontend_feature_flag(:webauthn)
+    push_frontend_feature_flag(:webauthn, default_enabled: :yaml)
   end
 
   feature_category :users

app/controllers/sessions_controller.rb

@@ -32,7 +32,7 @@ class SessionsController < Devise::SessionsController
   before_action :load_recaptcha
   before_action :set_invite_params, only: [:new]
   before_action do
-    push_frontend_feature_flag(:webauthn)
+    push_frontend_feature_flag(:webauthn, default_enabled: :yaml)
   end
 
   after_action :log_failed_login, if: :action_new_and_failed_login?
@@ -305,9 +305,9 @@ class SessionsController < Devise::SessionsController
   def authentication_method
     if user_params[:otp_attempt]
       AuthenticationEvent::TWO_FACTOR
-    elsif user_params[:device_response] && Feature.enabled?(:webauthn)
+    elsif user_params[:device_response] && Feature.enabled?(:webauthn, default_enabled: :yaml)
       AuthenticationEvent::TWO_FACTOR_WEBAUTHN
-    elsif user_params[:device_response] && !Feature.enabled?(:webauthn)
+    elsif user_params[:device_response] && !Feature.enabled?(:webauthn, default_enabled: :yaml)
       AuthenticationEvent::TWO_FACTOR_U2F
     else
       AuthenticationEvent::STANDARD

app/models/members_preloader.rb

@@ -13,7 +13,7 @@ class MembersPreloader
     ActiveRecord::Associations::Preloader.new.preload(members, :created_by)
     ActiveRecord::Associations::Preloader.new.preload(members, user: :status)
     ActiveRecord::Associations::Preloader.new.preload(members, user: :u2f_registrations)
-    ActiveRecord::Associations::Preloader.new.preload(members, user: :webauthn_registrations) if Feature.enabled?(:webauthn)
+    ActiveRecord::Associations::Preloader.new.preload(members, user: :webauthn_registrations) if Feature.enabled?(:webauthn, default_enabled: :yaml)
   end
 end
 

app/models/user.rb

@@ -915,7 +915,7 @@ class User < ApplicationRecord
   end
 
   def two_factor_u2f_enabled?
-    return false if Feature.enabled?(:webauthn)
+    return false if Feature.enabled?(:webauthn, default_enabled: :yaml)
 
     if u2f_registrations.loaded?
       u2f_registrations.any?
@@ -929,7 +929,7 @@ class User < ApplicationRecord
   end
 
   def two_factor_webauthn_enabled?
-    return false unless Feature.enabled?(:webauthn)
+    return false unless Feature.enabled?(:webauthn, default_enabled: :yaml)
 
     (webauthn_registrations.loaded? && webauthn_registrations.any?) || (!webauthn_registrations.loaded? && webauthn_registrations.exists?)
   end

app/views/profiles/two_factor_auths/show.html.haml

@@ -2,7 +2,7 @@
 - page_title _('Two-Factor Authentication'), _('Account')
 - add_to_breadcrumbs _('Account'), profile_account_path
 - @content_class = "limit-container-width" unless fluid_layout
-- webauthn_enabled = Feature.enabled?(:webauthn)
+- webauthn_enabled = Feature.enabled?(:webauthn, default_enabled: :yaml)
 
 .js-two-factor-auth{ 'data-two-factor-skippable' => "#{two_factor_skippable?}", 'data-two_factor_skip_url' => skip_profile_two_factor_auth_path }
   .row.gl-mt-3

config/feature_flags/development/webauthn.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/232671
 milestone: '13.4'
 type: development
 group: group::access
-default_enabled: false
+default_enabled: true

doc/user/profile/account/two_factor_authentication.md

@@ -20,8 +20,7 @@ password secret.
 NOTE:
 When you enable 2FA, don't forget to back up your [recovery codes](#recovery-codes)!
 
-In addition to time-based one time passwords (TOTP), GitLab supports U2F
-(universal 2nd factor) and WebAuthn (experimental) devices as the second factor
+In addition to time-based one time passwords (TOTP), GitLab supports WebAuthn devices as the second factor
 of authentication. After being enabled, in addition to supplying your username
 and password to sign in, you're prompted to activate your U2F / WebAuthn device
 (usually by pressing a button on it) which performs secure authentication on
@@ -269,11 +268,11 @@ Click on **Register U2F Device** to complete the process.
 
 ### WebAuthn device
 
-> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/22506) in GitLab 13.4.
-> - It's [deployed behind a feature flag](../../feature_flags.md), disabled by default.
-> - It's disabled on GitLab.com.
-> - It's not recommended for production use.
-> - To use it in GitLab self-managed instances, ask a GitLab administrator to [enable it](#enable-or-disable-webauthn).
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/22506) in GitLab 13.4 [with a flag](../../../administration/feature_flags.md) named `webauthn`. Disabled by default.
+> - [Enabled on GitLab.com and self-managed](https://gitlab.com/gitlab-org/gitlab/-/issues/232671) in GitLab 14.6.
+
+FLAG:
+On self-managed GitLab, by default this feature is available. To disable the feature, ask an administrator to [disable the feature flag](../../../administration/feature_flags.md) named `webauthn`. If you disable the WebAuthn feature flag after WebAuthn devices have been registered, these devices are not usable until you re-enable this feature. On GitLab.com, this feature is available.
 
 The WebAuthn workflow is [supported by](https://caniuse.com/#search=webauthn) the
 following desktop browsers:
@@ -350,7 +349,7 @@ request, and you're automatically signed in.
 ### Sign in by using a WebAuthn device
 
 In supported browsers you should be automatically prompted to activate your WebAuthn device
-(for example, by touching/pressing its button) after entering your credentials.
+(for example, by touching or pressing its button) after entering your credentials.
 
 A message displays, indicating that your device responded to the authentication
 request and you're automatically signed in.
@@ -495,25 +494,6 @@ request a GitLab global administrator disable two-factor authentication for your
 
 - To enforce 2FA at the system or group levels see [Enforce Two-factor Authentication](../../../security/two_factor_authentication.md).
 
-## Enable or disable WebAuthn **(FREE SELF)**
-
-Support for WebAuthn is under development and not ready for production use. It is
-deployed behind a feature flag that is **disabled by default**.
-[GitLab administrators with access to the GitLab Rails console](../../../administration/feature_flags.md)
-can enable it.
-
-To enable it:
-
-```ruby
-Feature.enable(:webauthn)
-```
-
-To disable it:
-
-```ruby
-Feature.disable(:webauthn)
-```
-
 ## Troubleshooting
 
 If you are receiving an `invalid pin code` error, this may indicate that there is a time sync issue between the authentication application and the GitLab instance itself.