Active Directory Bind authentication with User search (GO)

ldapbinder.go

package main

import (
	"fmt"
	"log"

	"github.com/nmcclain/ldap"
)

var (
	LdapServer = "192.168.0.254"
	LdapPort   = 389
	BindDN     = "%s@example.foo.com"
	BaseDN     = "CN=Users,DC=example,DC=foo,DC=com"
	Filter     = "(sAMAccountName=%s)"
	Attributes = []string{"sAMAccountName", "givenName", "sn", "mail", "memberOf", "jpegPhoto", "photo", "userPrincipalName"}

	Username = "user1"
	Password = "toto"
)

func main() {

	l, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", LdapServer, LdapPort))
	if err != nil {
		log.Fatalf("ERROR: %s\n", err.Error())
	}
	defer l.Close()

	ldapUser := fmt.Sprintf(BindDN, Username)
	err = l.Bind(ldapUser, Password)
	if err != nil {
		fmt.Println(err)
	} else {
		fmt.Println("Not to get cocky but I think it worked!")
	}

	search := ldap.NewSearchRequest(
		BaseDN,
		ldap.ScopeWholeSubtree,
		ldap.NeverDerefAliases,
		0,
		0,
		false,
		fmt.Sprintf(Filter, Username),
		Attributes,
		nil)

	sr, err := l.Search(search)
	if err != nil {
		log.Fatalf("ERROR: %s\n", err.Error())
		return
	}

	log.Printf("Search: %s -> num of entries = %d\n", search.Filter, len(sr.Entries))
	sr.PrettyPrint(0)
}