NanoChat

An end-to-end encrypted anonymous webchat

Features

• Small codebase
• Messages expire after 30 days
• Panic button to delete all messages in a room
• WebSocket for communication
• Docker support

Technical details

• AES-256-GCM for client-side encryption
• Key is not sent to server

Installation

First, clone the repository:

git clone https://git.disroot.org/NanoChat/Server.git

Onion service setup with Docker

cd NanoChat/
sudo docker compose build --no-cache
sudo docker compose up

Backend setup

cd NanoChat/backend/
python3 -m pip install --user pipenv
pipenv --python $(which python3)
python3 -m pipenv sync
python3 -m pipenv shell
pipenv install
export DJANGO_SETTINGS_MODULE=backend.settings
echo "DJANGO_SECRET_KEY=$(head -c 64 /dev/urandom | base64)" >> .env
echo "DJANGO_DEBUG=false" >> .env
set -a; source .env; set +a; daphne backend.asgi:application --port 8000

Frontend setup

cd NanoChat/frontend/
npm install pnpm
pnpm install dompurify
pnpm build
pnpm run preview

Requirements

Backend

• Python
• pipenv

Frontend

• node.js (install with pnpm)

Optional

• Docker (for Docker deployment)

Screenshot

License

Distributed under the MIT License. See LICENSE for more information.