Send Joke with AWS SNS

send.js

#!/usr/bin/env node
/**
* Send a Joke to your mobile using AWS SNS service
* Usage: 
* ./send.js phoneNumber [firstName] [lastName]
*
*/


const http = require('http');
const parse = require('url').parse;
const querystring = require('querystring');
const aws2 = require('aws2');


const AWS_REGION = 'us-west-2';
const AWS_ACCESS_KEY = '';
const AWS_SECRET_KEY = '';

const getName = () => {
	return Promise.resolve({
		firstName: process.argv[3] || 'Chuck',
		lastName: process.argv[4] || 'Norris'
	});
}

const request = (options) => {
	options.body = options.body || '';
	//console.log(options);
    return new Promise((resolve, reject) => {
        let req = http.request(options);

        req.once('response', res => {
            res.setEncoding('utf8');
            let data = '';
            res.on('data', chunk => {
                data += chunk;
            });
            res.on('end', () => {
                resolve(data);
            });
        });

        req.once('error', reject);
		req.write(options.body);
        req.end();
    });
};

const getJoke = opts => {
	//opts.limitTo = '[nerdy]';
	let url = 'https://api.icndb.com/jokes/random/?' + querystring.stringify(opts);
	let {hostname, port, path} = parse(url);
	let options = {
		hostname,
		port,
		path,
	};

	return request(options)
		.then(res => JSON.parse(res).value.joke);
};

const sendSMS = (phoneNumber, msg) => {

	let date = new Date(Date.now() + 10000).toISOString();

	let postData = {
		Action: 'Publish',
		AWSAccessKeyId: AWS_ACCESS_KEY,
		Message: msg,
		PhoneNumber: phoneNumber,
	};

	postData = querystring.stringify(postData);
	let {hostname, port, path} = parse(`http://sns.${AWS_REGION}.amazonaws.com/`);

	let options = {
		hostname,
		port,
		path,
		method: 'POST',
	};

	options = aws2.sign(Object.assign(options, {body: postData }), {
		secretAccessKey: AWS_SECRET_KEY,
		accessKeyId: AWS_ACCESS_KEY		
	});

	return request(options);
}

getName()
	.then(getJoke)
	.then(msg => sendSMS(process.argv[2], msg))
  .then(data => {
      console.log('Sent!');
  })
  .catch(err => {
    console.log(err);
  });