internetee-registry/app/validators/domain_name_validator.rb
Artur Beljajev bff7437277 Refactor zones
- Rename "zonefile_setting" to "zone"
- Remove version

#475
2017-04-20 17:20:36 +03:00

44 lines
1.6 KiB
Ruby

class DomainNameValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
if !self.class.validate_format(value)
record.errors[attribute] << (options[:message] || record.errors.generate_message(attribute, :invalid))
elsif !self.class.validate_blocked(value)
record.errors.add(:base, :domain_name_blocked)
end
end
class << self
def validate_format(value)
return true unless value
value = value.mb_chars.downcase.strip
origins = DNS::Zone.origins
# if someone tries to register an origin domain, let this validation pass
# the error will be caught in blocked domains validator
return true if origins.include?(value)
general_domains = /(#{origins.join('|')})/
# it's punycode
if value[2] == '-' && value[3] == '-'
regexp = /\Axn--[a-zA-Z0-9-]{0,59}\.#{general_domains}\z/
return false unless value =~ regexp
value = SimpleIDN.to_unicode(value).mb_chars.downcase.strip
end
# rubocop: disable Metrics/LineLength
unicode_chars = /\u00E4\u00F5\u00F6\u00FC\u0161\u017E/ # äõöüšž
regexp = /\A[a-zA-Z0-9#{unicode_chars.source}][a-zA-Z0-9#{unicode_chars.source}-]{0,61}[a-zA-Z0-9#{unicode_chars.source}]\.#{general_domains.source}\z/
# rubocop: enable Metrics/LineLength
# rubocop: disable Style/DoubleNegation
!!(value =~ regexp)
# rubocop: enable Style/DoubleNegation
end
def validate_blocked(value)
return true unless value
return false if BlockedDomain.where(name: value).count > 0
DNS::Zone.where(origin: value).count.zero?
end
end
end