nyastodon/app/controllers/concerns/captcha_concern.rb

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# frozen_string_literal: true
module CaptchaConcern
extend ActiveSupport::Concern
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include Hcaptcha::Adapters::ViewMethods
included do
helper_method :render_captcha
end
def captcha_available?
ENV['HCAPTCHA_SECRET_KEY'].present? && ENV['HCAPTCHA_SITE_KEY'].present?
end
def captcha_enabled?
captcha_available? && Setting.captcha_enabled
end
def captcha_user_bypass?
false
end
def captcha_required?
captcha_enabled? && !captcha_user_bypass?
end
def check_captcha!
return true unless captcha_required?
if verify_hcaptcha
true
else
if block_given?
message = flash[:hcaptcha_error]
flash.delete(:hcaptcha_error)
yield message
end
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false
end
end
def extend_csp_for_captcha!
policy = request.content_security_policy
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return unless captcha_required? && policy.present?
%w(script_src frame_src style_src connect_src).each do |directive|
values = policy.send(directive)
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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:')
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policy.send(directive, *values)
end
end
def render_captcha
return unless captcha_required?
hcaptcha_tags
end
end