class Twingly::PublicSuffixList

Constants

ACE_PREFIX

Public Class Methods

with_punycoded_names(encoding: Encoding::UTF_8) click to toggle source

Extend the PSL with ASCII form of all internationalized domain names

# File lib/twingly/public_suffix_list.rb, line 13
def self.with_punycoded_names(encoding: Encoding::UTF_8)
  list_path = PublicSuffix::List::DEFAULT_LIST_PATH
  list_data = File.read(list_path, encoding: encoding)
  list = PublicSuffix::List.parse(list_data, private_domains: false)

  punycoded_names(list).each do |punycoded_name|
    new_rule = PublicSuffix::Rule.factory(punycoded_name)
    list.add(new_rule)
  end

  list
end

Private Class Methods

punycoded_name?(name) click to toggle source
# File lib/twingly/public_suffix_list.rb, line 33
def self.punycoded_name?(name)
  PublicSuffix::Domain.name_to_labels(name).any? do |label|
    label =~ ACE_PREFIX
  end
end
punycoded_names(list) click to toggle source
# File lib/twingly/public_suffix_list.rb, line 27
def self.punycoded_names(list)
  names = list.each.map { |rule| Addressable::IDNA.to_ascii(rule.value) }
  names.select { |name| punycoded_name?(name) }
end