Geoblocking by country code for use in Auth0 Actions

GeoblockCountries.js

/**
* Geoblock users by Country code
*
* The action below blocks the following countries: 
* - Russia
* - Belarus
* - Iran
* - Cuba
* - Syria
* - North Korea
* 
* You can lookup more country codes here: http://www.ip2country.net/ip2country/country_code.html
*/

const countryCodeList = [
  "RU", "BY", "IR", "CU", "SY", "KP"
];

exports.onExecutePostLogin = async (event, api) => {
  if ( countryCodeList.includes(event.request.geoip.countryCode) ) {
    const countryName = event.request.geoip.countryName;
    
    api.access.deny(`Users from ${countryName} are not allowed!`);
  };
};