serverless-file-sharing

Full serverlerss application to upload and temporary share files. Being serverless, there is no upcoming costs with AWS, it is all based on usage of the following AWS services: Lambda / DynamoDB / Cognito / API Gateway / S3.

Flow

• Administrator login, upload files and get a single link per file with 24hours expiry date.
• Admin shares the url to users and they can download the file until the date is valid.
• Admin can always edit the file and renew the expiration date.

What is next?

• Pagination / search / sort
• Flexibility on expiration date

Technologies

• Serverless Framework
• React
• NodeJS
• AWS Lambda
• AWS DynamoDB
• AWS API Gateway
• AWS S3
• AWS Cognito

Instructions

Backend

Install Serverless Framework globally

npm install serverless -g

Go to the backend folder

cd backend/

Give a name to the project editing the field service on the file serverless.yaml

Deploy the backend

serverless deploy -v

Frontend

Go to the frontend folder

cd frontend

Install dependencies

npm install

Edit configurations file replacing the values with the ones created by the deploy script

frontend/src/config.js

Build the project

npm run-script build

Copy build files to s3 hosting bucket

aws s3 sync build s3://<your-hosting-bucket>

Go to Cognito console and create a new user or use the following commands to create and confirm one

• create username

aws cognito-idp sign-up \
  --region <YOUR_REGION> \
  --client-id <COGNITO_CLIENT_ID> \
  --username <EMAIL@EMAIL.COM> \
  --password <PASSWORD>`

• confirm password

aws cognito-idp admin-confirm-sign-up \
  --region <YOUR_REGION> \
  --user-pool-id <COGNITO_CLIENT_ID>> \
  --username <PASSWORD> 

Access the application

http://<HOSTING_BUCKET_NAME>.s3-website-<REGION>.amazonaws.com/