dpd-fcm/index.js

send push notif to client, using Firebase Cloud Messaging

var Resource = require('deployd/lib/resource'),
    util = require('util'),
    Client = require('node-rest-client').Client,
    client = new Client(),
    firebaseURL = "https://fcm.googleapis.com/fcm/send"

function FCM(name, options) {
  Resource.apply(this, arguments);
}

util.inherits(FCM, Resource);

FCM.prototype.clientGeneration = true;

FCM.basicDashboard = {
  settings: [
  {
    name        : 'internalOnly',
    type        : 'checkbox',
    description : 'Only allow internal scripts to send push notification'
  },
  {
    name        : 'serverKey',
    type        : 'text',
    description : 'Make sure this is the server key, whose value is available in your Firebase project console under Project Settings > Cloud Messaging. Android, iOS, and browser keys are rejected by FCM.'
  }]
};

FCM.prototype.handle = function (ctx, next) {
  if ( ctx.req && ctx.req.method !== 'POST' ) {
    return next();
  }

  if ( !ctx.req.internal && this.config.internalOnly ) {
    return ctx.done({ statusCode: 403, message: 'Forbidden' });
  }

  var options = ctx.body || {};
  var sKey = this.config.serverKey || process.env.FCM_SERVER_KEY;

  // set content-type header and data as json in args parameter
  var args = {
  	data: options,
  	headers: {
      "Content-Type": "application/json",
      "Authorization": "key="+sKey
    }
  };

  client.post(firebaseURL, args, function (data, response) {
    var rCode = response.statusCode;
    // parsed response body as js object
  	console.log(data);
  	// raw response
  	console.log(response);

    if (rCode === 200) {
      ctx.done(null, data);
    } else if (rCode === 401) {
      ctx.done({ statusCode: response.statusCode, errors: "FCM Server Key Unauthorized!" });
    } else if (rCode === 400) {
      ctx.done({ statusCode: response.statusCode, errors: "Bad Request, check body params! https://firebase.google.com/docs/cloud-messaging/http-server-ref#params" });
    } else {
      ctx.done({ statusCode: response.statusCode, errors: "Something went wrong!" });
    }
  });
}

module.exports = FCM;