Secure File Sharing System

A cloud-based secure file sharing system built with Spring Boot and React.js, leveraging AWS services for storage and data management.

Features

• 🔐 User Authentication & Authorization

  • JWT-based authentication
  • OAuth2 integration with Google
  • Role-based access control

• 📁 File Management

  • Secure file upload to AWS S3
  • File download with access control
  • Public, private, and expiring share links
  • Support for various file types

• 🔍 Advanced Features

  • Audit logging for all file operations
  • Asynchronous file processing
  • Rate limiting and throttling
  • Background job processing with Kafka

Tech Stack

• Backend:

  • Spring Boot 3.x
  • Spring Security
  • AWS SDK (S3, DynamoDB)
  • Apache Kafka
  • Redis
  • JWT

• Frontend:

  • React.js
  • Material-UI
  • Redux Toolkit
  • Axios

• Cloud Services:

  • AWS S3 for file storage
  • AWS DynamoDB for metadata
  • Redis for rate limiting

Prerequisites

• Java 17 or higher
• Maven 3.6+
• Node.js 18+
• AWS Account with S3 and DynamoDB access
• Redis Server
• Kafka Server

Configuration

The application requires several environment variables to be set:

# AWS Configuration
AWS_REGION=your-aws-region
AWS_ACCESS_KEY=your-access-key
AWS_SECRET_KEY=your-secret-key
S3_BUCKET_NAME=your-bucket-name
DYNAMODB_TABLE_NAME=your-table-name

# OAuth2 (Google)
GOOGLE_CLIENT_ID=your-google-client-id
GOOGLE_CLIENT_SECRET=your-google-client-secret

# JWT
JWT_SECRET=your-jwt-secret-key

# Redis
REDIS_HOST=localhost
REDIS_PORT=6379

# Kafka
KAFKA_SERVERS=localhost:9092

Building and Running

Backend

# Build the project
mvn clean install

# Run the application
mvn spring-boot:run

Frontend

# Navigate to frontend directory
cd frontend

# Install dependencies
npm install

# Start development server
npm start

API Documentation

The API documentation is available at /api/swagger-ui.html when running the application.

Security

• All API endpoints are secured with JWT authentication
• File uploads are validated for type and size
• Rate limiting is implemented to prevent abuse
• All file operations are logged for audit purposes

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.