Tiny service which use ember-simple-auth 1.0.0 and wrap any remote call.

request.js

import Ember from 'ember';

/**
 * This service wrap any remote call which needs authorization
 * in order to set necessary headers to being authorized
 * once the user is logged in
 *
 */
const { inject } = Ember;

export default Ember.Service.extend({
  session: inject.service(),

  ajaxOptions() {
    const { token, data2 } = this.get('session.data.authenticated');

    return {
      type: 'GET',
      dataType: 'json',
      beforeSend: (xhr) => {
        xhr.setRequestHeader('Authorization', `Bearer ${token}`);
        xhr.setRequestHeader('X-Header-2', data2);
      }
    };
  },
  /**
   * This is a private API
   * @param {Object} data support by http://api.jquery.com/jQuery.ajax/
   */
  perform(options) {
    let promise;
    this.get('session').authorize('authorizer:application', () => {
      promise = Ember.$.ajax(Object.assign(this.ajaxOptions(), options));
    });
    return promise;
  }
});

usage.js

// once the request service is injected

return this.get('request').perform({ url: url, data: params })
          .then((response) => { return response; } )
          .fail((err) => { console.debug(JSON.parse(err.responseText).message); });