Les'Go

Les’Go is a secure, terminal-based messaging system built in Go that provides authenticated, end-to-end encrypted communication between users, with real-time delivery, unread tracking, and encrypted message persistence.

Overview

Les'Go is designed for developers who prefer speed, control, and minimal interfaces. It eliminates unnecessary UI layers and focuses on performance, security, and simplicity.

Core Features

• Authenticated user accounts
• End-to-end encrypted messaging
• Real-time message delivery
• Unread message tracking
• Persistent chat history
• Fully terminal-based interface

Architecture

Client (CLI)  <---->  Server  <---->  Database
     |                  |                 |
 Encryption       Auth + Routing     Persistent Storage

Components

Client

• Terminal-based user interface
• Handles encryption/decryption
• Sends and receives messages via WebSocket

Server

• Authentication and session management
• Message routing
• Real-time communication handling
• Secure message storage

Storage Layer

• Persists users and messages
• Enables history retrieval and unread tracking

Security Model

• Token-based authentication (JWT)
• Password hashing using bcrypt
• End-to-end encrypted message exchange
• TLS-ready server configuration
• Optional encrypted message storage

Message Storage

Messages are stored server-side to allow:

• Viewing past conversations
• Tracking unread messages
• Resuming sessions across restarts

Supported databases:

• PostgreSQL
• MongoDB
• SQLite (lightweight deployments)

Tech Stack

• Core: Go
• Networking: net/http, gorilla/websocket
• Security: JWT, bcrypt
• Database: PostgreSQL / MongoDB / SQLite

Installation

1. Clone the repository

   git clone https://github.com/XplnHUB/Les-Go.git
   cd Les-Go

2. Build the server

   go build -o server ./server

3. Build the client

   go build -o lesgo ./client

Running the Application

1. Start the server

   ./server

2. Start the client

   ./lesgo

Example CLI Commands

• /register
• /login
• /send <username> <message>
• /history <username>
• /unread
• /logout

Roadmap

• Group chats
• File transfer support
• Offline message synchronization
• CLI themes and customization
• Self-hosted deployment scripts
• Peer-to-peer mode
• Multi-device support

Contributing

Contributions are welcome! Please ensure code quality, security, and performance standards are maintained.

License

MIT License