ea-crm-service-connector/helpers/dnsCacheHelper.js

A connector for Microsoft Dynamics CRM instances

'use strict'
const dnscache = require('dnscache')({
  'enable': true,
  'ttl': 300,
  'cachesize': 1000
})
const configHelper = require('../helpers/config-helper')
const crmConfig = configHelper.getCrmConfig()

module.exports = {
  setup: function (callback) {
    let host = crmConfig.dynamics.oauth.resource
    host = host.replace(/(https?:\/\/)?([^:^/]*)(:\\d*)?(.*)?/, '$2') // get the host part from the url

    dnscache.lookup(host, function (err, result) {
      if (err) {
        return callback(err)
      }
      return callback(null, result)
    })
  }
}