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# frozen_string_literal: true
module CaptchaConcern
extend ActiveSupport::Concern
include Hcaptcha::Adapters::ViewMethods
CAPTCHA_TIMEOUT = 2.hours.freeze
included do
helper_method :render_captcha_if_needed
end
def captcha_available?
ENV['HCAPTCHA_SECRET_KEY'].present? && ENV['HCAPTCHA_SITE_KEY'].present?
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
end
def captcha_user_bypass?
current_user.present? || (@invite.present? && @invite.valid_for_use? && !@invite.max_uses.nil?)
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)
end
def check_captcha!
return true unless captcha_required?
if verify_hcaptcha
session[:captcha_passed_at] = Time.now.utc
true
else
if block_given?
message = flash[:hcaptcha_error]
flash.delete(:hcaptcha_error)
yield message
end
false
end
end
def extend_csp_for_captcha!
policy = request.content_security_policy
return unless captcha_required? && policy.present?
%w(script_src frame_src style_src connect_src).each do |directive|
values = policy.send(directive)
values << 'https://hcaptcha.com' unless values.include?('https://hcaptcha.com') || values.include?('https:')
values << 'https://*.hcaptcha.com' unless values.include?('https://*.hcaptcha.com') || values.include?('https:')
policy.send(directive, *values)
end
end
def render_captcha_if_needed
return unless captcha_required?
hcaptcha_tags
end
def captcha_context
'registration-form'
end
end