Class: HostnameValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/valid_hostname/hostname_validator.rb

Direct Known Subclasses

DomainnameValidator

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ HostnameValidator

Returns a new instance of HostnameValidator.



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# File 'lib/valid_hostname/hostname_validator.rb', line 8

def initialize(options)
  super(ValidateHostname.default_options.merge(options))
end

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object 



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# File 'lib/valid_hostname/hostname_validator.rb', line 12

def validate_each(record, attribute, value)
  value ||= ''

  if options[:verbose]
    add_error record, attribute, :invalid_hostname_length unless ValidateHostname.valid_length? value
    add_error record, attribute, :hostname_contains_consecutive_dots unless ValidateHostname.valid_dots? value

    unless ValidateHostname.valid_trailing_dot?(value,
                                                allow_root_label: options[:allow_root_label])
      add_error record, attribute, :hostname_ends_with_dot
    end

    unless ValidateHostname.valid_tld? value, valid_tlds: options[:valid_tlds], require_valid_tld: options[:require_valid_tld]
      add_error record, attribute, :hostname_is_not_fqdn
    end

    return unless value.is_a? String

    add_error record, attribute, :invalid_label_length unless ValidateHostname.valid_label_length? value
    add_error record, attribute, :label_begins_or_ends_with_hyphen unless ValidateHostname.valid_hyphens? value

    unless ValidateHostname.valid_characters?(value,
                                              allow_underscore: options[:allow_underscore],
                                              allow_wildcard_hostname: options[:allow_wildcard_hostname])
      add_error record,
                attribute,
                :label_contains_invalid_characters,
                valid_chars: ValidateHostname.allowed_characters(allow_underscore: options[:allow_underscore])
    end

    unless ValidateHostname.valid_numeric_only? value, allow_numeric_hostname: options[:allow_numeric_hostname]
      add_error record, attribute, :hostname_label_is_numeric
    end
  elsif !ValidateHostname.valid? value, **options
    record.errors.add attribute, options[:message].nil? ? I18n.t(:invalid, scope: 'activerecord.errors.messages') : options[:message]
  end
end