stt-token.js

'use strict';

var express = require('express');
var router = express.Router(); // eslint-disable-line new-cap
var watson = require('watson-developer-cloud');
var vcapServices = require('vcap_services');
var extend = (extend = require('util')._extend);

// set up an endpoint to serve speech-to-text auth tokens

// For local development, replace username and password or set env properties
var sttConfig = extend(
    {
        version: 'v1'
    },
    vcapServices.getCredentials('speech_to_text')
);

var sttAuthService = watson.authorization(sttConfig);

router.get('/token', function(req, res) {
    sttAuthService.getToken({ url: sttConfig.url }, function(err, token) {
        if (err) {
            console.log('Error retrieving token: ', err);
            res.status(500).send('Error retrieving token');
            return;
        }
        res.send(token);
    });
});

module.exports = router;