Authenticate against an LDAP server

npm install ldapauth
22 downloads in the last day
57 downloads in the last week
343 downloads in the last month

A simple node.js lib to authenticate against an LDAP server.


var LdapAuth = require('ldapauth');
var options = {
    url: 'ldaps://ldap.example.com:663',
var auth = new LdapAuth(options);
auth.authenticate(username, password, function(err, user) { ... });
auth.close(function(err) { ... })


npm install ldapauth


MIT. See "LICENSE" file.

LdapAuth Config Options

Use the source Luke

express/connect basicAuth example

var connect = require('connect');
var LdapAuth = require('ldapauth');

// Config from a .json or .ini file or whatever.
var config = {
  ldap: {
    url: "ldaps://ldap.example.com:636",
    adminDn: "uid=myadminusername,ou=users,o=example.com",
    adminPassword: "mypassword",
    searchBase: "ou=users,o=example.com",
    searchFilter: "(uid={{username}})"

var ldap = new LdapAuth({
  url: config.ldap.url,
  adminDn: config.ldap.adminDn,
  adminPassword: config.ldap.adminPassword,
  searchBase: config.ldap.searchBase,
  searchFilter: config.ldap.searchFilter,
  //log4js: require('log4js'),
  cache: true

var basicAuthMiddleware = connect.basicAuth(function (username, password, callback) {
  ldap.authenticate(username, password, function (err, user) {
    if (err) {
      console.log("LDAP auth error: %s", err);
    callback(err, user)


Check coding style before commit:

make check

To cut a release (tagging, npm publish, etc., see https://github.com/trentm/cutarelease for details):

make cutarelease
npm loves you