checker/ipv6.go
Onur Cinar f76f14c0ce
Added copyright header to the code. Fixes #112 (#114)
# Describe Request

Added copyright header to the code. 

Fixes #112

# Change Type

Documentation change.
2023-06-24 12:10:18 -07:00

48 lines
1 KiB
Go

// Package checker is a Go library for validating user input through struct tags.
//
// https://github.com/cinar/checker
//
// Copyright 2023 Onur Cinar. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
//
package checker
import (
"net"
"reflect"
)
// CheckerIPV6 is the name of the checker.
const CheckerIPV6 = "ipv6"
// ResultNotIPV6 indicates that the given value is not an IPv6 address.
const ResultNotIPV6 = "NOT_IP_V6"
// IsIPV6 checks if the given value is an IPv6 address.
func IsIPV6(value string) Result {
ip := net.ParseIP(value)
if ip == nil {
return ResultNotIPV6
}
if ip.To4() != nil {
return ResultNotIPV6
}
return ResultValid
}
// makeIPV6 makes a checker function for the ipV6 checker.
func makeIPV6(_ string) CheckFunc {
return checkIPV6
}
// checkIPV6 checks if the given value is an IPv6 address.
func checkIPV6(value, _ reflect.Value) Result {
if value.Kind() != reflect.String {
panic("string expected")
}
return IsIPV6(value.String())
}