go-domain-tools

GOlang package for checking if url contains subdomain, what that subdomain is, what is a top level domain in url etc.

Installation

go get github.com/bobesa/go-domain-util/domainutil

Rebuild the TLD database from publicsuffix.org

# (Re)build Parser
go build -o $GOPATH/bin/domainparser github.com/bobesa/go-domain-util/cmd/domainparser

# Go to domainutil pkg & generate tlds
go generate github.com/bobesa/go-domain-util/domainutil

Example code

package main

import (
    "fmt"
)

import "github.com/bobesa/go-domain-util/domainutil"

func main(){
    fmt.Println(domainutil.Domain("keep.google.com"))
}

Functions

Get the top level domain from url

func Domain(url string) string

Domain returns top level domain from url string. If no domain is found in provided url, this function returns empty string. If no TLD is found in provided url, this function returns empty string.

Get the domain suffix from url

func DomainSuffix(url string) string

DomainSuffix returns domain suffix from provided url. If no TLD is found in provided url, this function returns empty string.

Check if url has subdomain

func HasSubdomain(domain string) bool

HasSubdomain reports whether domain contains any subdomain.

Get subdomain from url

func Subdomain(url string) string

Subdomain returns subdomain from provided url. If subdomain is not found in provided url, this function returns empty string.

Get protocol from url

func Protocol(url string) string

Protocol returns protocol from provided url. If protocol is not found in provided url, this function returns empty string.

Get username from credentials of url

func Username(url string) string

Username returns username from provided url. If username is not found in provided url, this function returns empty string.

Get password from credentials of url

func Password(url string) string

Password returns password from provided url. If password is not found in provided url, this function returns empty string.