authorizer/server/utils/urls.go

package utils

import (
	"net/url"
)

// function to get hostname
func GetDomainName(auth_url string) string {
	u, err := url.Parse("//" + auth_url)
	if err != nil {
		return `localhost`
	}

	host := u.Hostname()

	// code to get root domain in case of sub-domains
	// hostParts := strings.Split(host, ".")
	// hostPartsLen := len(hostParts)

	// if hostPartsLen == 1 {
	// 	return host
	// }

	// if hostPartsLen == 2 {
	// 	if hostParts[0] == "www" {
	// 		return hostParts[1]
	// 	} else {
	// 		return host
	// 	}
	// }

	// if hostPartsLen > 2 {
	// 	return strings.Join(hostParts[hostPartsLen-2:], ".")
	// }

	return host
}