SailsJs + passport + passport-activedirectory - with ghaiklor/sails-generator-rest-api

AuthController.js

"use strict";

/**
 * AuthController
 * @description :: Server-side logic for manage users' authorization
 */

const _ = require('lodash');
const passport = require('passport');

module.exports = {
  /**
   * Sign in by email\password
   * @param req
   * @param res
   */
  login(req, res) {
    passport.authenticate('ActiveDirectory', _.partial(sails.config.passport.onPassportAuth, req, res))(req, res);
  },

  /**
   * Accept JSON Web Token and updates with new one
   * @param req
   * @param res
   */
  refresh_token(req, res) {
    if (!req.param('token')) return res.badRequest(null, {message: 'You must provide token parameter'});

    const oldDecoded = CipherService.jwt.decodeSync(req.param('token'));

    res.ok({
      token: CipherService.jwt.encodeSync({id: oldDecoded.id})
    });
  }
};

passport.js

"use strict";

/**
 * Passport configuration file where you should configure all your strategies
 * @description :: Configuration file where you configure your passport authentication
 */

const _ = require('lodash');
const passport = require('passport');
const LocalStrategy = require('passport-local').Strategy;
const JwtStrategy = require('passport-jwt').Strategy;
const ExtractJwt = require('passport-jwt').ExtractJwt;
const ADStrategy = require('passport-activedirectory')

/**
 * Configuration object for local strategy
 * @type {Object}
 * @private
 */
const LOCAL_STRATEGY_CONFIG = {
  usernameField: 'email',
  passwordField: 'password',
  session: false,
  passReqToCallback: true
};

/**
 * Configuration object for JWT strategy
 * @type {Object}
 * @private
 */
const JWT_STRATEGY_CONFIG = {
  secretOrKey: 'DEFAULT_SECRET_KEY',
  jwtFromRequest: ExtractJwt.versionOneCompatibility({authScheme: 'Bearer', tokenBodyField: 'access_token'}),
  tokenQueryParameterName: 'access_token',
  session: false,
  passReqToCallback: true
};

/**
 * Configuration object for social strategies
 * @type {Object}
 * @private
 */
const AD_STRATEGY_CONFIG = {
  integrated: false,
  passReqToCallback: true,
  allowedGroup: 'LinuxAdmins',
  ldap: {
    url: 'ldap://example.com',
    baseDN: 'DC=example,DC=com',
    username: '[email protected]',
    password: 'password1234'
  }
};

/**
 * Triggers when user authenticates via local strategy
 * @param {Object} req Request object
 * @param {String} username Username from body field in request
 * @param {String} password Password from body field in request
 * @param {Function} next Callback
 * @private
 */
const _onLocalStrategyAuth = (req, username, password, next) => {
  User
    .findOne({[LOCAL_STRATEGY_CONFIG.usernameField]: username})
    .then(user => {
      if (!user) return next(null, null, sails.config.errors.USER_NOT_FOUND);
      if (!HashService.bcrypt.compareSync(password, user.password)) return next(null, null, sails.config.errors.USER_NOT_FOUND);
      return next(null, user, {});
    })
    .catch(next);
};

/**
 * Triggers when user authenticates via JWT strategy
 * @param {Object} req Request object
 * @param {Object} payload Decoded payload from JWT
 * @param {Function} next Callback
 * @private
 */
const _onJwtStrategyAuth = (req, payload, next) => {
  User
    .findOne({id: payload.id})
    .then(user => {
      if (!user) return next(null, null, sails.config.errors.USER_NOT_FOUND);
      return next(null, user, {});
    })
    .catch(next);
};

const _onADStrategyAuth = (req, profile, ad, next) => {
  
  ad.isUserMemberOf(profile._json.dn, AD_STRATEGY_CONFIG.allowedGroup, function (err, isMember) {
    if (err) return next(err)

    User.findOrCreate({
      username: profile._json.sAMAccountName
    }, {
      username: profile._json.sAMAccountName,
      email: profile._json.mail,
      firstName: profile.name.givenName,
      lastName: profile.name.familyName
    })
    .then((user) => {
      return next(null, user)
    })
    .catch(next)
    
  })
};

module.exports = {
  passport: {
    /**
     * Triggers when all Passport steps is done and user profile is parsed
     * @param {Object} req Request object
     * @param {Object} res Response object
     * @param {Object} error Object with error info
     * @param {Object} user User object
     * @param {Object} info Information object
     * @returns {*}
     * @private
     */
    onPassportAuth(req, res, error, user, info) {
      if (error || !user) return res.negotiate(error || info);

      return res.ok({
        token: CipherService.jwt.encodeSync({id: user.id}),
        user: user
      });
    }
  }
};

passport.use(new LocalStrategy(_.assign({}, LOCAL_STRATEGY_CONFIG), _onLocalStrategyAuth));
passport.use(new JwtStrategy(_.assign({}, JWT_STRATEGY_CONFIG), _onJwtStrategyAuth));
passport.use(new ADStrategy(_.assign({}, AD_STRATEGY_CONFIG), _onADStrategyAuth));