Change CAPTCHA handling to be only on email verification

This simplifies the implementation considerably, and while not providing
ideal UX, it's the most flexible approach.
main
Claire 3 years ago
parent 0fb907441c
commit b7cf3941b3

@ -2,7 +2,6 @@
class AboutController < ApplicationController
include RegistrationSpamConcern
include CaptchaConcern
before_action :set_pack
@ -13,7 +12,6 @@ class AboutController < ApplicationController
before_action :set_instance_presenter
before_action :set_expires_in, only: [:more, :terms]
before_action :set_registration_form_time, only: :show
before_action :extend_csp_for_captcha!, only: :show
skip_before_action :require_functional!, only: [:more, :terms]

@ -1,8 +1,6 @@
# frozen_string_literal: true
class Api::V1::AccountsController < Api::BaseController
include CaptchaConcern
before_action -> { authorize_if_got_token! :read, :'read:accounts' }, except: [:create, :follow, :unfollow, :remove_from_followers, :block, :unblock, :mute, :unmute]
before_action -> { doorkeeper_authorize! :follow, :'write:follows' }, only: [:follow, :unfollow, :remove_from_followers]
before_action -> { doorkeeper_authorize! :follow, :'write:mutes' }, only: [:mute, :unmute]
@ -85,7 +83,7 @@ class Api::V1::AccountsController < Api::BaseController
end
def check_enabled_registrations
forbidden if single_user_mode? || omniauth_only? || !allowed_registrations? || captcha_enabled?
forbidden if single_user_mode? || omniauth_only? || !allowed_registrations?
end
def allowed_registrations?

@ -22,8 +22,6 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
end
def show
clear_captcha!
old_session_values = session.to_hash
reset_session
session.update old_session_values.except('session_id')
@ -63,10 +61,6 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
invite.present? && !invite.max_uses.nil?
end
def captcha_context
'email-confirmation'
end
def set_pack
use_pack 'auth'
end

@ -2,7 +2,6 @@
class Auth::RegistrationsController < Devise::RegistrationsController
include RegistrationSpamConcern
include CaptchaConcern
layout :determine_layout
@ -16,8 +15,6 @@ class Auth::RegistrationsController < Devise::RegistrationsController
before_action :require_not_suspended!, only: [:update]
before_action :set_cache_headers, only: [:edit, :update]
before_action :set_registration_form_time, only: :new
before_action :extend_csp_for_captcha!, only: [:new, :create]
before_action :check_captcha!, only: :create
skip_before_action :require_functional!, only: [:edit, :update]
@ -138,23 +135,4 @@ class Auth::RegistrationsController < Devise::RegistrationsController
def set_cache_headers
response.headers['Cache-Control'] = 'no-cache, no-store, max-age=0, must-revalidate'
end
def sign_up(resource_name, resource)
clear_captcha!
old_session_values = session.to_hash
reset_session
session.update old_session_values.except('session_id')
super
end
def check_captcha!
super do |error|
build_resource(sign_up_params)
resource.validate
resource.errors.add(:base, error)
respond_with resource
end
end
end

@ -4,10 +4,8 @@ module CaptchaConcern
extend ActiveSupport::Concern
include Hcaptcha::Adapters::ViewMethods
CAPTCHA_TIMEOUT = 2.hours.freeze
included do
helper_method :render_captcha_if_needed
helper_method :render_captcha
end
def captcha_available?
@ -15,32 +13,21 @@ module CaptchaConcern
end
def captcha_enabled?
captcha_available? && Setting.captcha_mode == captcha_context
end
def captcha_recently_passed?
session[:captcha_passed_at].present? && session[:captcha_passed_at] >= CAPTCHA_TIMEOUT.ago
captcha_available? && Setting.captcha_enabled
end
def captcha_user_bypass?
current_user.present? || (@invite.present? && @invite.valid_for_use? && !@invite.max_uses.nil?)
false
end
def captcha_required?
return false if ENV['OMNIAUTH_ONLY'] == 'true'
return false unless Setting.registrations_mode != 'none' || @invite&.valid_for_use?
captcha_enabled? && !captcha_user_bypass? && !captcha_recently_passed?
end
def clear_captcha!
session.delete(:captcha_passed_at)
captcha_enabled? && !captcha_user_bypass?
end
def check_captcha!
return true unless captcha_required?
if verify_hcaptcha
session[:captcha_passed_at] = Time.now.utc
true
else
if block_given?
@ -64,13 +51,9 @@ module CaptchaConcern
end
end
def render_captcha_if_needed
def render_captcha
return unless captcha_required?
hcaptcha_tags
end
def captcha_context
'registration-form'
end
end

@ -40,7 +40,7 @@ class Form::AdminSettings
noindex
outgoing_spoilers
require_invite_text
captcha_mode
captcha_enabled
).freeze
BOOLEAN_KEYS = %i(
@ -59,6 +59,7 @@ class Form::AdminSettings
trendable_by_default
noindex
require_invite_text
captcha_enabled
).freeze
UPLOAD_KEYS = %i(
@ -82,7 +83,6 @@ class Form::AdminSettings
validates :bootstrap_timeline_accounts, existing_username: { multiple: true }
validates :show_domain_blocks, inclusion: { in: %w(disabled users all) }
validates :show_domain_blocks_rationale, inclusion: { in: %w(disabled users all) }
validates :captcha_mode, inclusion: { in: %w(disabled registration-form email-confirmation) }
def initialize(_attributes = {})
super

@ -98,7 +98,7 @@ class REST::InstanceSerializer < ActiveModel::Serializer
end
def registrations
Setting.registrations_mode != 'none' && !Rails.configuration.x.single_user_mode && !captcha_enabled?
Setting.registrations_mode != 'none' && !Rails.configuration.x.single_user_mode
end
def approval_required
@ -114,8 +114,4 @@ class REST::InstanceSerializer < ActiveModel::Serializer
def instance_presenter
@instance_presenter ||= InstancePresenter.new
end
def captcha_enabled?
ENV['HCAPTCHA_SECRET_KEY'].present? && ENV['HCAPTCHA_SITE_KEY'].present? && Setting.captcha_mode == 'registration-form'
end
end

@ -21,9 +21,6 @@
.fields-group
= f.input :agreement, as: :boolean, wrapper: :with_label, label: t('auth.checkbox_agreement_html', rules_path: about_more_path, terms_path: terms_path), required: true, disabled: closed_registrations?
.fields-group
= render_captcha_if_needed
.actions
= f.button :button, sign_up_message, type: :submit, class: 'button button-primary', disabled: closed_registrations?

@ -45,7 +45,7 @@
- if captcha_available?
.fields-group
= f.input :captcha_mode, as: :radio_buttons, collection: %w(disabled registration-form email-confirmation), include_blank: false, wrapper: :with_block_label, label_method: ->(type) { safe_join([t("admin.settings.captcha.#{type}.title"), content_tag(:span, t("admin.settings.captcha.#{type}.desc_html"), class: 'hint')])}, label: t('admin.settings.captcha.title'), hint: t('admin.settings.captcha.desc_html')
= f.input :captcha_enabled, as: :boolean, wrapper: :with_label, label: t('admin.settings.captcha_enabled.title'), hint: t('admin.settings.captcha_enabled.desc_html')
%hr.spacer/

@ -5,7 +5,7 @@
= hidden_field_tag :confirmation_token, params[:confirmation_token]
.field-group
= render_captcha_if_needed
= render_captcha
.actions
%button.button= t('challenge.continue')

@ -38,9 +38,6 @@
.fields-group
= f.input :agreement, as: :boolean, wrapper: :with_label, label: whitelist_mode? ? t('auth.checkbox_agreement_without_rules_html', terms_path: terms_path) : t('auth.checkbox_agreement_html', rules_path: about_more_path, terms_path: terms_path), required: true
.field-group
= render_captcha_if_needed
.actions
= f.button :button, @invite.present? ? t('auth.register') : sign_up_message, type: :submit

@ -2,18 +2,9 @@
en:
admin:
settings:
captcha:
desc_html: Configure hCaptcha integration, relying on third-party scripts. This may have security and privacy implications.
email-confirmation:
desc_html: Require new users to go through hCaptcha at the e-mail validation step. Bots will not be deterred from creating accounts, but they may be prevented from confirming them, leaving them to be automatically cleaned up after a couple days. This does not interfere with app-based registrations.
title: CAPTCHA on email validation
disabled:
desc_html: Do not require a CAPTCHA
title: Disabled
registration-form:
desc_html: Require new users to go through hCaptcha on the registration form, so that CAPTCHA requirement is immediately apparent to them. This disables app-based registrations and may prevent your instance from being listed as having open registrations.
title: CAPTCHA on registration forms
title: CAPTCHA configuration
captcha_enabled:
desc_html: Enable hCaptcha integration, requiring new users to solve a challenge when confirming their email address. This requires third-party scripts from hCaptcha to be embedded in the email verification page, which may have security and privacy concerns. Users that have been invited through a limited-use invite will not need to solve a CAPTCHA challenge.
title: Require new users to go through a CAPTCHA to confirm their account
enable_keybase:
desc_html: Allow your users to prove their identity via keybase
title: Enable keybase integration

@ -77,7 +77,7 @@ defaults: &defaults
show_domain_blocks_rationale: 'disabled'
outgoing_spoilers: ''
require_invite_text: false
captcha_mode: 'disabled'
captcha_enabled: false
development:
<<: *defaults

@ -10,7 +10,6 @@ describe 'about/show.html.haml', without_verify_partial_doubles: true do
allow(view).to receive(:site_title).and_return('example site')
allow(view).to receive(:new_user).and_return(User.new)
allow(view).to receive(:use_seamless_external_login?).and_return(false)
allow(view).to receive(:render_captcha_if_needed).and_return(nil)
end
it 'has valid open graph tags' do

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