Contents

require "reserved_subdomains/version"
require 'active_model/validator'
require 'active_support/core_ext/object/blank'
require "yaml"

module ActiveModel
  module Validations
    class AllowedSubdomainValidator < ::ActiveModel::EachValidator
      def validate_each(record, attribute, value)
        reserved = exists_in_reserved_list(value)
        regexp = matches_regexp_list(value)

        if value.present? && ( reserved || regexp)
          record.errors.add(attribute, :invalid)
        end
      end

      private

      def load_list(file)
        shared_path = File.dirname(__FILE__)
        YAML.load_file(File.join(shared_path, file))
      end

      def exists_in_reserved_list(value)
        list = load_list('reserved_subdomains_list.yml')
        list.include?(value)
      end

      def matches_regexp_list(value)
        list = load_list('regexp_list.yml')

        list.each do |regexp|
          return true if Regexp.new(regexp).match(value)
        end

        return false
      end
    end

  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
reserved_subdomains-0.9.4	lib/reserved_subdomains.rb
reserved_subdomains-0.9.3	lib/reserved_subdomains.rb
reserved_subdomains-0.9.2	lib/reserved_subdomains.rb