class IpFormatValidator
Validates that value is an IPv4 or IPv6 address.
Public Instance Methods
validate_each(record, attribute, value)
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Validates that `value` is an IPv4 or IPv4 address. Ranges in CIDR or netmask notation are not allowed.
@param record [#errors, ActiveRecord::Base] ActiveModel or ActiveRecord @param attribute [Symbol] name of IP address attribute. @param value [String, nil] IP address. @return [void] @see IPAddr#ipv4? @see IPAddr#ipv6?
# File app/validators/ip_format_validator.rb, line 13 def validate_each(record, attribute, value) begin potential_ip = IPAddr.new(value) rescue ArgumentError record.errors[attribute] << 'must be a valid IPv4 or IPv6 address' else # if it includes a netmask, then it's not an IP address, but an IP range. if potential_ip.ipv4? if potential_ip.instance_variable_get(:@mask_addr) != IPAddr::IN4MASK record.errors[attribute] << 'must be a valid IPv4 or IPv6 address and not an IPv4 address range in CIDR or netmask notation' end elsif potential_ip.ipv6? if potential_ip.instance_variable_get(:@mask_addr) != IPAddr::IN6MASK record.errors[attribute] << 'must be a valid IPv4 or IPv6 address and not an IPv6 address range in CIDR or netmask notation' end end end end