src/auth.js

   1 'use strict';
   2
   3 var passport = require('passport'),
   4     path = require('path'),
   5     safe = require('safetydance'),
   6     bcrypt = require('bcryptjs'),
   7     LdapStrategy = require('passport-ldapjs').Strategy;
   8
   9 var LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json');
  10
  11 passport.serializeUser(function (user, done) {
  12     console.log('serializeUser', user);
  13     done(null, user.uid);
  14 });
  15
  16 passport.deserializeUser(function (id, done) {
  17     console.log('deserializeUser', id);
  18     done(null, { uid: id });
  19 });
  20
  21 var LDAP_URL = process.env.LDAP_URL;
  22 var LDAP_USERS_BASE_DN = process.env.LDAP_USERS_BASE_DN;
  23
  24 if (LDAP_URL && LDAP_USERS_BASE_DN) {
  25     console.log('Enable ldap auth');
  26
  27     exports.verify = passport.authenticate('ldap');
  28 } else {
  29     console.log('Use local user file:', LOCAL_AUTH_FILE);
  30
  31     exports.verify = function (req, res, next) {
  32         var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE));
  33         if (!users) return res.send(401);
  34         if (!users[req.query.username]) return res.send(401);
  35
  36         bcrypt.compare(req.query.password, users[req.query.username].passwordHash, function (error, valid) {
  37             if (error || !valid) return res.send(401);
  38             next();
  39         });
  40     };
  41 }
  42
  43 var opts = {
  44     server: {
  45         url: LDAP_URL,
  46     },
  47     base: LDAP_USERS_BASE_DN,
  48     search: {
  49         filter: '(|(username={{username}})(mail={{username}}))',
  50         attributes: ['displayname', 'username', 'mail', 'uid'],
  51         scope: 'sub'
  52     },
  53     uidTag: 'cn',
  54     usernameField: 'username',
  55     passwordField: 'password',
  56 };
  57
  58 passport.use(new LdapStrategy(opts, function (profile, done) {
  59     done(null, profile);
  60 }));