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@alankyshum/md-share-app

v1.0.1

Published

SvelteKit SPA viewer for encrypted markdown shares with dynamic OG previews

Vulnerabilities

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Links

Git

Maintainers

alankyshumalankyshum

Keywords

markdownshareencryptionsveltekitcloudflare-pages

Readme

@alankyshum/md-share-app

A SvelteKit and Cloudflare Pages Single Page Application (SPA) designed to serve and decrypt secure, encrypted markdown files shared via the md-share CLI.

What It Is

@alankyshum/md-share-app acts as the frontend viewer for the md-share decentralized publishing system. Rather than storing your markdown in centralized databases or standard Key-Value (KV) stores, the viewer dynamically pulls AES-256-GCM encrypted payloads from your public GitHub storage repository and decrypts them 100% client-side.

Key Features

  • Client-side Decryption: The decryption key stays inside the #k= URL fragment, meaning neither Cloudflare nor GitHub ever receives the plaintext content.
  • Dynamic OG Social Previews: Dynamically renders standard Open Graph cards and customized 1200×630 PNG previews on Slack, Telegram, Twitter, or Discord.
  • Interactive Upgrades: Leverages @alankyshum/markdown-renderer to dynamically convert plain markdown, Tables, Map fences, Chart fences, and Mermaid blocks into rich interactive components.

Routes Summary

The application exposes the following routes and endpoints:

  • / — Homepage / landing page.
  • /u/<owner>/<repo>/s/<key> — Interactive decrypted markdown viewer.
  • /u/<owner>/<repo>/og/<key>.png — Cloudflare worker endpoint generating high-fidelity, dynamic, 1200×630 OG social preview images.
  • /api/config — Returns application-specific configuration.
  • /api/keys — Referrer-restricted API distributing MapLibre and OpenRouteService integration keys.

How to Self-Host

You can host your own custom instance of the SPA directly on your Cloudflare account. The deployment is CLI-driven and auto-updates from the canonical repository on every change to master.

For step-by-step instructions on setting up your own deployment using the md-share init --self-host command, refer to the Root README Self-Hosting section.

License

Distributed under the MIT License. See LICENSE for details.