Class: IpFormatValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
app/validators/ip_format_validator.rb

Overview

Validates that value is a valid IPv4 or IPv6 address.

Instance Method Summary collapse

Instance Method Details

#validate_each(object, attribute, value) ⇒ void

This method returns an undefined value.

Validates that attribute's value on object is a valid IPv4 or IPv6 address.

Parameters:

  • record (#errors, ApplicationRecord)

    ActiveModel or ActiveRecord

  • attribute (Symbol)

    name of IP address attribute.

  • value (String, nil)

    IP address.


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# File 'app/validators/ip_format_validator.rb', line 11

def validate_each(object, attribute, value)
  error_message_block = lambda{ object.errors.add attribute, "must be a valid IPv4 or IPv6 address" }
  begin
    if value.is_a? IPAddr
      potential_ip = value.dup
    else
      potential_ip = IPAddr.new(value)
    end

    error_message_block.call unless potential_ip.ipv4? || potential_ip.ipv6?
  rescue ArgumentError
    error_message_block.call
  end
end