aws-sdk sns example, in Node.js

aws-sns-example.js

var AWS = require('aws-sdk');

AWS.config.update({
  accessKeyId: '{AWS_KEY}',
  secretAccessKey: '{AWS_SECRET}',
  region: '{SNS_REGION}'
});

var sns = new AWS.SNS();

sns.createPlatformEndpoint({
  PlatformApplicationArn: '{APPLICATION_ARN}',
  Token: '{DEVICE_TOKEN}',
  CustomUserData: 'STRING_VALUE'
}, function(err, data) {
  if (err) {
    console.log(err.stack);
    return;
  }

  var endpointArn = data.EndpointArn;

  var params = {
    Protocol: 'application', /* required */
    TopicArn: 'STRING_VALUE', /* required */
    Endpoint: endpointArn
  };
  sns.subscribe(params, function(err, data) {
    if (err) console.log(err, err.stack); // an error occurred
    else     console.log(data);           // successful response
  });

  var payload = {
    default: 'Hello World',
    APNS: {
      aps: {
        alert: 'Hello World',
        sound: 'default',
        badge: 1
      }
    }
  };

  // first have to stringify the inner APNS object...
  payload.APNS = JSON.stringify(payload.APNS);
  // then have to stringify the entire message payload
  payload = JSON.stringify(payload);

  console.log('sending push');
  sns.publish({
    Message: payload,
    MessageStructure: 'json',
    TargetArn: endpointArn
  }, function(err, data) {
    if (err) {
      console.log(err.stack);
      return;
    }

    console.log('push sent');
    console.log(data);
  });
});


exports.registerDeviceWithSNS = function (topicArn, applicationArn, deviceToken, sns) {
	console.log(`AWS Helper registering device`);
	return new Promise((resolve, reject) => {
		const endpointParams = {
			PlatformApplicationArn: applicationArn, /* required */
			Token: deviceToken /* required */
		};
		sns.createPlatformEndpoint(endpointParams, function(err, data) { // eslint-disable-line
			if (err) {
				console.log('new platform endpoint creation failure');
				console.log(err);
				reject(err);
			} else {
				console.log('new platform endpoint creation success');
				console.log(data);
				const params = {
					Protocol: 'application', /* required */
					TopicArn: topicArn,  //eslint-disable-line
					Endpoint: data.EndpointArn /* required */
				};
				sns.subscribe(params, function (err, data) { // eslint-disable-line
					if (err) {
						console.log('Subscription failed');
						console.log(err); // an error occurred
						reject(err);
					} else {
						console.log('Subscription succeeded');
						console.log(data);
						resolve(data);
					}
				});
			}
		});
	});
};