☁️ CloudDrop — Seamless Local File Sharing via Flutter & Go

CloudDrop is an in-progress cross-platform file sharing application that bridges local and mobile environments using a QR-code-enabled tunnel system. Built with Flutter for the frontend (mobile + desktop) and Go for the backend, it enables secure, self-hosted, QR-scannable file access from your devices.

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🚧 In Progres

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🔧 Current Functionality

• 📱 Flutter Mobile App: Access files over the local network or internet via a secure tunnel.
• 🖥️ Flutter Desktop App: Initiates the backend Go server and sets up a Cloudflare tunnel to expose your file directory.
• 🌐 Go Server:
  • Serves files via HTTP.
  • Reads upload/download metadata.
  • Interfaces with tunnel and exposes API.
• 📸 QR Code Generation: For easy pairing between devices.
• 🔒 Local-first, no third-party storage — your files stay on your system.

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📦 Architecture

[Flutter Desktop] ── starts ──▶ [Go Backend Server]
        │                             │
        │                             ├── Serves files from selected directory
        │                             ├── Starts Cloudflare tunnel
        │                             └── Displays public URL as QR code
        ▼
[Flutter Mobile] ◀── scans ── QR code with tunnel URL
        │
        └── Access/download/upload files over tunnel via Go API