internetee-registry/app/validators/domain_name_validator.rb
2014-11-21 15:30:40 +02:00

47 lines
1.7 KiB
Ruby

class DomainNameValidator < ActiveModel::EachValidator
# TODO
# validates lenght of 2-63
# validates/honours Estonian additional letters zäõüö
# honours punicode and all interfces honors utf8
# validates lower level domains (.pri.ee, edu.ee etc)
# lower level domains are fixed for .ee and can add statically into settings
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_reservation(value)
record.errors.add(attribute, (options[:message] || record.errors.generate_message(attribute, :reserved)))
end
end
class << self
def validate_format(value)
return true if value == 'ee'
return true unless value
value = value.mb_chars.downcase.strip
general_domains = /(.pri.ee|.com.ee|.fie.ee|.med.ee|.ee)/
# 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}][a-zA-Z0-9#{unicode_chars}-]{0,61}[a-zA-Z0-9#{unicode_chars}]#{general_domains}\z/
# rubocop: enable Metrics/LineLength
# rubocop: disable Style/DoubleNegation
!!(value =~ regexp)
# rubocop: enable Style/DoubleNegation
end
def validate_reservation(value)
return true unless value
!ReservedDomain.exists?(name: value.mb_chars.downcase.strip)
end
end
end