A secure, end-to-end encrypted note-taking application built with Next.js and Flask.
- 🔐 End-to-end encryption using Web Crypto API
- 📝 Markdown-style text editor
- 🔑 Session-based access control
- ⏰ 12-hour session timeout for security
- 🔄 Auto-save and version control
- 📱 Responsive design for all devices
- TypeScript
- Next.js 14
- Shadcn UI
- Tailwind CSS
- Web Crypto API
- Python 3
- Flask
- PostgreSQL
- SQLAlchemy
- Flask-Migrate
- Node.js 18+
- Python 3.8+
- PostgreSQL
- npm or yarn
- Clone the repository
git clone https://github.com/yourusername/secure-notes.git
cd secure-notes- Install frontend dependencies
npm install- Set up the backend
cd backend
python -m venv venv
source venv/bin/activate # On Windows use: venv\Scripts\activate
pip install -r requirements.txt- Configure environment variables
# In root directory
cp .env.example .env.local
# In backend directory
cp .env.example .env- Set up the database
createdb securenotes
flask db upgrade- Start the backend server
cd backend
source venv/bin/activate
flask run- In a new terminal, start the frontend
npm run devThe application will be available at:
- Frontend: http://localhost:3000
- Backend API: http://localhost:5000
- All notes are encrypted in the browser before being sent to the server
- The encryption key never leaves your browser
- Sessions automatically expire after 12 hours
- Uses industry-standard AES-GCM encryption
Please read CONTRIBUTING.md for details on our code of conduct and the process for submitting pull requests.
This project is licensed under the MIT License - see the LICENSE file for details.
Copyright (c) 2024 Cuneyt Mertayak
This means you can:
- ✅ Use this code commercially
- ✅ Modify the code
- ✅ Distribute the code
- ✅ Use the code privately
- ✅ Sublicense the code
With the conditions that you:
- ℹ️ Include the original license
- ℹ️ Include the original copyright notice
And understand that:
- ❗ The software comes with no warranty
- ❗ The author has no liability for damages