S3DropboxFileSync

Upload files to an AWS S3 bucket and automatically sync them to a dropbox account using a an AWS Lambda function.

Prerequisites

• Node.js http://www.nodejs.org/
• Express http://expressjs.com/
• AngularJS http://angularjs.org/
• Grunt - Download and Install http://gruntjs.com
• AWS Developer Key
• Dropbox Developer key - https://www.dropbox.com/developers/core

Install Prerequisites

$ npm install -g bower
$ npm install -g nodemon

Technologies

Client - Angular.js ,Bootstrap, Sass

Server - Node.js, Express server

DropBox File Sync - AWS Lambda function (written in node.js)

Configuration Settings - Node.js App Server

• Create the file server/config/env/development.js & specify the following value

'use strict';

module.exports = {
    dropbox: {appKey: "YOUR DROPBOX APP KEY",
        appSecret: "YOUR DROPBOX APP SECRET"},

    aws: {   accessKey: "YOUR AWS ACCESS KEY",
        secretKey: "YOUR AWS SECRET KEY",
        tokenBucket: "NAME OF A PRIVATE S3 BUCKET TO STORE DROPBOX BEARER TOKEN",
        fileUploadBucket: "NAME OF AN S3 BUCKET TO UPLOAD FILES"
    }
};

Configuration Settings - AWS Lambda Function

• Create the file AWS lambda functions/dropbox-s3-sync/config/env/development.js & specify the following value

'use strict';

module.exports = {
    dropbox: {appKey: "YOUR DROPBOX APP KEY",
        appSecret: "YOUR DROPBOX APP SECRET"},

    aws: {   accessKey: "YOUR AWS ACCESS KEY",
        secretKey: "YOUR AWS SECRET KEY",
        tokenBucket: "NAME OF A PRIVATE S3 BUCKET TO STORE DROPBOX BEARER TOKEN",
        fileUploadBucket: "NAME OF AN S3 BUCKET TO UPLOAD FILES"
    }
};

To build the client web application

$ cd /client
$ grunt serve

To run the app server

$ cd /server
$ npm test

open a browser and navigate to http://localhost:3000 & off you go!

To deploy the AWS Lambda function

$ cd  "/AWS lambda functions/dropbox-s3-sync"
$ grunt lambda_package lambda_deploy

Credits

• To the very nifty grunt aws lambda task.
• Good Blog post on streaming files to S3 from node.js

License

The MIT License