Attempting to access LDAP directory via HTTP

ldapHelper.js

var ldap = require('ldapjs');

var ldapHelper = {
	client: {},
	initClient: function(config){
		this.client = ldap.createClient({
			url: config.url
		})
	},
	bindClient: function(credentials, callback){
		this.client.bind(credentials.bindDN, credentials.bindCredentials, function(err){
			if(err){
				callback({
					error: err,
					auth: false
				});
			}else{
				callback({
					auth: true
				});
			}
		});
	},
	searchDirectory: function(baseDN, options, callback){
		this.client.search(baseDN, options, function(err, res){
			var results = [];
			if(err){
				console.log(err);
			}
			res.on('searchEntry', function(entry) {
				results.push(entry.object);
			});
			res.on('end', function(result){
				callback(results);
				console.log(result.status);
			});
			/* TODO: Add listeners for other events */
		});
	}
}

module.exports = ldapHelper;

server.js

var express = require('express');
var bodyParser = require('body-parser');
var ldapHelper = require('./ldapHelper');
var fs = require('fs');
var app = express();

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: true}));

var config = JSON.parse(fs.readFileSync('config.json', 'utf8'));

/* Create the LDAP Client. URL must be in ldap://address:port format */

ldapHelper.initClient({url: config.url});

/* HTTP POST
	bindDN: your username, ex: 'cn=Directory Manager'
	bindCredentials: your password, ex: 'admin123'
	Returns {} auth status and or auth errors
*/

app.post('/login', function(req,res){
	var credentials = {
		bindDN: req.body.bindDN,
		bindCredentials: req.body.bindCredentials,
	}
	ldapHelper.bindClient(credentials, function(status){
		res.json(status);
	});
});

/* HTTP POST
	dn: location of the root of the search, ex: 'ou=People, dc=example, dc=com'
	filter: fully qualified parenthetical LDAP filter, ex: '(&(mail=*@domain.net)(l=California))'
	scope: how deep to search, ex: 'base' , 'one', or 'sub'
	Returns [] of search results
*/

app.post('/search', function(req,res){
	var opts = {
		filter: req.body.filter,
		scope: req.body.scope
	}
	ldapHelper.searchDirectory(req.body.dn,opts, function(object){
		res.json(object);
	});
});

/* Start Express Server */
var server = app.listen(3000, function(){
	console.log('Server listening at http://%s:%s', server.address().address, server.address().port);
});