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Contents
module RecordStore
class Record::PTR < Record
attr_accessor :ptrdname
OCTET_LABEL_SEQUENCE_REGEX = /\A(?:([0-9]|[1-9][0-9]|[1-9][0-9][0-9])\.){1,4}/
IN_ADDR_ARPA_SUFFIX_REGEX = /in-addr\.arpa\.\z/
FQDN_FORMAT_REGEX = Regexp.new(OCTET_LABEL_SEQUENCE_REGEX.source + IN_ADDR_ARPA_SUFFIX_REGEX.source)
validates_format_of :fqdn, with: FQDN_FORMAT_REGEX
validate :validate_fqdn_octets_in_range
validate :validate_fqdn_is_in_addr_arpa_subzone
def initialize(record)
super
@ptrdname = Record.ensure_ends_with_dot(record.fetch(:ptrdname))
end
def rdata
{ ptrdname: ptrdname }
end
def rdata_txt
ptrdname.to_s
end
def validate_fqdn_octets_in_range
OCTET_LABEL_SEQUENCE_REGEX.match(fqdn) do |m|
unless m.captures.all? { |o| o.to_d.between?(0, 255) }
errors.add(:fqdn, 'octet labels must be within the range 0-255')
end
end
end
def validate_fqdn_is_in_addr_arpa_subzone
unless IN_ADDR_ARPA_SUFFIX_REGEX.match?(fqdn)
errors.add(:fqdn, 'PTR records may only exist in the in-addr.arpa zone')
end
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems