Class: IpValidator

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

Overview

Validator for email

Instance Method Summary collapse

Instance Method Details

#forbidden ⇒ Object 



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# File 'lib/rails_ip_validator.rb', line 9

def forbidden
  unless @forbidden.is_a? Array
    if options[:forbidden].nil?
      # default
      @forbidden = []
    else
      @forbidden = options[:forbidden].is_a?(Array) ? options[:forbidden] : [options[:forbidden]]
    end
  end
  @forbidden
end

#forbidden?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_ip_validator.rb', line 21

def forbidden? key
  forbidden.include? key
end

#validate_each(record, attribute, value) ⇒ Object

main validator for email



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# File 'lib/rails_ip_validator.rb', line 26

def validate_each(record, attribute, value)
  unless value.blank?

    # pre var
    valid = true

    begin
      ip = IPAddress.parse(value.to_s)

      valid = false if forbidden? :netmask and value =~ /\//
      valid = false if forbidden? :a and ip.a?
      valid = false if forbidden? :b and ip.b?
      valid = false if forbidden? :c and ip.c?
      valid = false if forbidden? :private and ip.private?
      valid = false if forbidden? :ipv4 and ip.class == IPAddress::IPv4
      valid = false if forbidden? :ipv6 and (ip.class == IPAddress::IPv6 or ip.class == IPAddress::IPv6::Mapped)
      if options[:custom].is_a? Proc
        valid = false unless options[:custom].call(ip) 
      end
    rescue
      valid = false
    end

    # ip valid
    record.errors.add(attribute, :invalid) unless valid
  end
end