IFS - Insecure File Sharing

A simple, ephemeral file-sharing service. Upload a file, get a 4-character code, share it. Files auto-delete after a day.

Live at: ifs-app.kenf.dev

Features

• 📤 Drag & drop file uploads (up to 500MB)
• 🔗 Short 4-character share codes
• ⏱️ 24-hour auto-expiration
• 🤖 Cloudflare Turnstile CAPTCHA protection
• 🌐 Global CDN via CloudFront

Architecture

User → CloudFront → S3 (static site)
         ↓
      Lambda → S3 (presigned upload URL)

Project Structure

├── apps/
│   ├── landing/      # Landing site
│   └── web/          # Main app (index.html)
├── functions/
│   └── upload.py     # Lambda: generates presigned URLs
├── infra/            # Terraform infrastructure
└── .github/workflows # CI/CD pipelines

Setup

git clone https://github.com/duckyfuz/insecure-file-sharing.git
cd insecure-file-sharing
npm install  # Required for commit hooks

Development

Commits use Conventional Commits:

git commit -m "feat: add progress bar"
git commit -m "fix: resolve upload timeout"

Deployment

Push to main triggers:

1. terraform plan → shown in PR comments
2. Manual approval via GitHub environment
3. terraform apply

Tech Stack

Component	Technology
Frontend	Vanilla HTML/CSS/JS
Backend	AWS Lambda (Python)
Storage	S3 + CloudFront
DNS	Cloudflare
IaC	Terraform
CI/CD	GitHub Actions

Contributing

See CONTRIBUTING.md for instructions on how to set up your development environment and submit pull requests.

Supported By

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