catstodon/app/validators/domain_validator.rb
2023-02-19 07:09:40 +09:00

23 lines
566 B
Ruby

# frozen_string_literal: true
class DomainValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
return if value.blank?
domain = if options[:acct]
value.split('@').last
else
value
end
record.errors.add(attribute, I18n.t('domain_validator.invalid_domain')) unless compliant?(domain)
end
private
def compliant?(value)
Addressable::URI.new.tap { |uri| uri.host = value }
rescue Addressable::URI::InvalidURIError, IDN::Idna::IdnaError
false
end
end