Authentication using external token microservice. file: src/services/authentication/index.js

index.js

'use strict';

const auth = require('feathers-authentication');
const request = require('request');


module.exports = function() {
  const app = this;
  const config = app.get('auth');
  const authHost = config.local.authHost;

  config.token.payload = ['token'];
  config.token.jwt = {
    verify(token, secret, options, callback) {
      request.get(`${authHost}/api/v1/auth/tokens/verify`, {
        auth: { bearer: token },
        json: true
      }, (err, r, data) => {
        callback(err, data && { id: data.user_id, token: token });
      });
    },
    sign(data, secret, options, callback) {
      callback(data.token);
    }
  };

  config.local.checkCredentials = (req, username, password, done) => {
    const formData = Object.assign({}, config.local.service.params, { username, password });
    request.post(`${authHost}/api/v1/auth/token`, { form: formData, json: true }, (err, r, token) => {
      if (err || !token) {
        return done(err || new Error('Failed to authenticate. Please try again.'));
      }

      let { access_token, error_description } = token;
      if (error_description || !access_token) {
        console.log('error', username, error_description);
        return done(null, false);
      }

      done(null, { id: 'me', token: access_token });
    });
  };

  app.configure(auth(config));
};