Lux Messenger iOS

Private messaging on the Lux Network - A fork of Session iOS

Overview

Lux Messenger iOS is a fork of Session iOS, intended to connect to the Lux Network's SessionVM instead of the Oxen network. This app provides end-to-end encrypted messaging with post-quantum cryptographic protection.

Current Status

Integration Status: In Progress

The iOS app currently uses libsession-util for networking, which has hardcoded network endpoints. Full integration with the Lux SessionVM requires modifications to the underlying C++ library.

What Works

• Building and running the app
• Core messaging functionality (against Session mainnet)

What Needs Work

• Network configuration to connect to Lux SessionVM
• libsession-util modifications for custom network support
• Branding updates (Lux Messenger)

Building

Prerequisites

• Xcode 15.0+
• iOS 15.0+ deployment target
• CocoaPods

Build Steps

1. Clone the repository:

git clone https://github.com/lux-tel/session-ios
cd session-ios

2. Install dependencies:

pod install

3. Open the workspace:

open Session.xcworkspace

4. Build and run in Xcode.

Architecture

Session (iOS App)
├── SessionMessagingKit    # Message handling, encryption
├── SessionNetworkingKit   # Network layer (uses LibSession)
├── SessionUtilitiesKit    # Shared utilities
└── SessionUIKit           # UI components

SessionNetworkingKit
└── LibSession+Networking.swift
    └── libsession-util (C++ native library)
        └── Hardcoded network endpoints

Configuration for Lux Network

Current Limitation

The network configuration in iOS is handled by libsession-util, a C++ library with hardcoded endpoints:

// In libsession-util/src/session_network.cpp
constexpr auto file_server = "filev2.getsession.org"sv;

Planned Approach

To enable Lux network connectivity:

1. Modify libsession-util (lux-tel/libsession-util)

   • Add environment-based configuration
   • Support custom seed node URLs
   • Support custom file server URLs

2. Update iOS integration

   • Pass Lux network configuration to LibSession
   • Update UI branding

Related Repositories

Repository	Description
luxfi/session	Go SessionVM + API layer
luxcpp/session	C++ storage server
lux-tel/libsession-util	Native library (needs modification)
lux-tel/session-desktop	Desktop client (configured)
lux-tel/session-android	Android client

Development

Key Files

File	Description
SessionNetworkingKit/SessionNetwork/SessionNetwork.swift	Network API server config
SessionNetworkingKit/LibSession/LibSession+Networking.swift	LibSession integration
SessionUtilitiesKit/General/Feature.swift	Feature flags
Session/Meta/SessionApp.swift	App entry point

Debug Configuration

Feature flags can be enabled in developer settings for debugging:

• forceOffline - Test offline behavior
• truncatePubkeysInLogs - Privacy in debug logs

Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Submit a pull request

License

GPL-3.0 - Same as upstream Session iOS

Upstream

This project is a fork of Session iOS by the Session Technology Foundation.