# Posts by tag 'upload' — Liran Tal

AI security researcher, open-source maintainer, and author. Explore Liran Tal’s blog, research papers, developer tools, books, and conference talks.

Canonical: https://lirantal.com/tag/upload

*   Oct 15, 2025 · 4 min read

    ## [Pre‑Signed URL Upload Architecture (Cloudflare R2 + Hono Workers)](/blog/pre-signed-url-upload-architecture-cloudflare-r2-hono-workers)

    The following is a reference implementation and architecture for secure direct browser uploads to Cloudflare R2 using pre-signed URLs generated by a Hono application on Cloudflare Workers.

    *   [architecture](/tag/architecture)
    *   [upload](/tag/upload)
    *   [cloudflare](/tag/cloudflare)

     [![](/_astro/pre-signed-url-upload-architecture-cloudflare-r2-hono-workers.bY9sxeEd_Z38Ok8.jpg)](/blog/pre-signed-url-upload-architecture-cloudflare-r2-hono-workers)