Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- `app/controllers/about_controller.rb`:
  Minor conflict caused by glitch-soc's theming system.
  Ported upstream changes.

app/controllers/auth/registrations_controller.rb

@@ -2,6 +2,7 @@
 
 class Auth::RegistrationsController < Devise::RegistrationsController
   include Devise::Controllers::Rememberable
+  include RegistrationSpamConcern
 
   layout :determine_layout
 
@@ -14,6 +15,7 @@ class Auth::RegistrationsController < Devise::RegistrationsController
   before_action :set_body_classes, only: [:new, :create, :edit, :update]
   before_action :require_not_suspended!, only: [:update]
   before_action :set_cache_headers, only: [:edit, :update]
+  before_action :set_registration_form_time, only: :new
 
   skip_before_action :require_functional!, only: [:edit, :update]
 
@@ -46,16 +48,17 @@ class Auth::RegistrationsController < Devise::RegistrationsController
   def build_resource(hash = nil)
     super(hash)
 
-    resource.locale      = I18n.locale
-    resource.invite_code = params[:invite_code] if resource.invite_code.blank?
-    resource.sign_up_ip  = request.remote_ip
+    resource.locale                 = I18n.locale
+    resource.invite_code            = params[:invite_code] if resource.invite_code.blank?
+    resource.registration_form_time = session[:registration_form_time]
+    resource.sign_up_ip             = request.remote_ip
 
     resource.build_account if resource.account.nil?
   end
 
   def configure_sign_up_params
     devise_parameter_sanitizer.permit(:sign_up) do |u|
-      u.permit({ account_attributes: [:username], invite_request_attributes: [:text] }, :email, :password, :password_confirmation, :invite_code, :agreement)
+      u.permit({ account_attributes: [:username], invite_request_attributes: [:text] }, :email, :password, :password_confirmation, :invite_code, :agreement, :website, :confirm_password)
     end
   end