A hook to populate an user from Auth0 into feathersjs

feathersjs-auth0.js

const request = require('request-promise');
const errors = require('feathers-errors');

const options = {
  idField: 'sub',
  issuer: 'iss'
};

module.exports = function() {

  return function(hook) {
    if (hook.type !== 'before') {
      throw new Error(`The 'auth0' hook should only be used as a 'before' hook.`);
    }

    let id; // the sub of the payload
    let issuer; //the guy who issued we will get it to query user info


    const payload = hook.params.payload
    const token = hook.params.token;

    if (payload[options.idField]) {
      id = payload[options.idField];
      console.log(`User ${id} issued`);
    }
    if (payload[options.issuer]) {
      issuer = payload[options.issuer];
      console.log(issuer)
    }
    return new Promise(function(resolve, reject) {
      //there is an Id query auth0 for user info
      if (id && issuer) {

        return request({
          method: 'POST',
          uri: `${issuer}tokeninfo`,
          json: true,
          headers: {
            'Content-Type': 'application/json',
          },
          body: {
            'id_token': `${token}`
          }
        })
        .then(json => {
          hook.params.user = json;
          resolve(hook)
        })
        .catch(err => reject(errors.NotAuthenticated('You are not authenticated', err)))
      } else {
        return reject(errors.NotAuthenticated('You are not authenticated'));
      }
    });
  }
};