valence-connect/install/template/routes/valence.js

Connect to Valence for requests coming from applications running in the Valence Portal

/**
 * Valence Router
 */
const express        = require('express'),
  cors           = require('cors'),
  corsWhiteList  = ['VBASEURL'],
  corsOptions    = {
    origin : (origin, callback) => {
      if (typeof origin === 'undefined' ||
                  corsWhiteList.indexOf(origin) !== -1) {
        callback(null, true);
      } else {
        callback(new Error('Not allowed by CORS'));
      }
    },
  },
  router         = express.Router(),
  valenceConnect = require('valence-connect'),
  customers      = require(global.__api + 'customers');

// Initialize Valence Connect using valence.json
//
valenceConnect.init();

// Allow Cross Origin
//
router.all('*', cors(corsOptions));

/**
 * Check if the request session is authenticated
 * @param {IncomingMessage} req http request
 * @param {ServerResponse} res http response
 * @param {callback} next continue
 */
const valenceCheck = (req, res, next) => {
  valenceConnect.isAuthenticated(req, res)
      .then(() => {
        next();
      });
};

// Always check before proceeding that the session is valid for all Valence requests
//
router.use(valenceCheck);

// Routes
//

// Example Valence Route "query customers"
//
router.all('/customers/queryAll', customers.queryAll.bind(customers));

module.exports = router;