Share-IT : Secure File Sharing System

A secure and scalable full-stack web application that allows users to upload, store, and share files through time-bound and optionally password-protected links. The platform supports file metadata tracking and includes an admin dashboard for managing uploaded content.

Project Overview

This system is designed for internal organizational use, enabling teams to securely exchange files with controlled access. The application is built using modern technologies and follows a modular, component-based architecture for maintainability and future expansion.

Features

• File upload with type and size validation
• Unique, expiring download links
• Optional password protection for shared files
• File metadata storage (name, size, type, upload timestamp)
• Download history and usage tracking
• Admin dashboard for managing uploads and monitoring usage
• JWT-based authentication system for admins

Technology Stack

Frontend:

• React.js
• Vite
• TypeScript (TSX)
• Axios

Backend:

• Node.js
• Express
• Multer
• JWT
• CORS

Database:

• MongoDB (Mongoose)

Other Tools:

• Git & GitHub
• Figma (UI/UX design)
• Postman (API testing)
• Google Meet, WhatsApp (collaboration)

Installation Instructions

Clone the repository

git clone https://github.com/Secure-File-Sharing-System.git
cd Secure-File-Sharing-System

Backend Setup

cd backend
npm install

Create a .env file in the backend directory with the following content:

PORT=5000
MONGO_URI=mongodb://localhost:27017/secureFileDB
JWT_SECRET=your_jwt_secret_key

Start the backend server:

npm run dev

Frontend Setup

cd ../frontend
npm install
npm run dev

The frontend will run at: http://localhost:5173 The backend will run at: http://localhost:5000

Folder Structure

Secure-File-Sharing-System/
├── backend/
│   ├── controllers/
│   ├── routes/
│   ├── models/
│   ├── middleware/
│   ├── .env
│   └── server.js
├── frontend/
│   ├── src/
│   │   ├── components/
│   │   ├── pages/
│   │   ├── services/
│   │   └── App.tsx
│   └── vite.config.ts
└── README.md

How It Works

1. Users upload files via the frontend interface.
2. Files are validated and stored securely on the server.
3. A unique, expiring download link is generated and returned to the user.
4. Optional password protection can be applied to the link.
5. Admin users can log in to a dedicated dashboard to view, manage, or delete uploaded files.
6. All actions are tracked and logged in the database for auditing and future enhancements.

Contribution

This project is being developed by a team of four engineering students as part of a full-stack development initiative.

Team Members:

• Saakshat Chandratre – Backend Development Lead
• Nirmal Arsade – Front End and UI/UX Design

License

This project is open-source and licensed under the MIT License.