feathers-authentication-local/lib/utils/hash.js

Local authentication strategy for feathers-authentication

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = hasher;

var _bcryptjs = require('bcryptjs');

var _bcryptjs2 = _interopRequireDefault(_bcryptjs);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var BCRYPT_WORK_FACTOR_BASE = 12;
var BCRYPT_DATE_BASE = 1483228800000;
var BCRYPT_WORK_INCREASE_INTERVAL = 47300000000;

function hasher(password) {
  return new Promise(function (resolve, reject) {
    var BCRYPT_CURRENT_DATE = new Date().getTime();
    var BCRYPT_WORK_INCREASE = Math.max(0, Math.floor((BCRYPT_CURRENT_DATE - BCRYPT_DATE_BASE) / BCRYPT_WORK_INCREASE_INTERVAL));
    var BCRYPT_WORK_FACTOR = Math.min(19, BCRYPT_WORK_FACTOR_BASE + BCRYPT_WORK_INCREASE);

    _bcryptjs2.default.genSalt(BCRYPT_WORK_FACTOR, function (error, salt) {
      if (error) {
        return reject(error);
      }

      _bcryptjs2.default.hash(password, salt, function (error, hashedPassword) {
        if (error) {
          return reject(error);
        }

        resolve(hashedPassword);
      });
    });
  });
}
module.exports = exports['default'];