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golib/cmd/check-ip/HANDOFF.md
AJ ONeal 1bcc160a61
feat(check-ip): embedded web UI with IP Location & Status, domain resolution, and richer GeoIP data 
- Embed web UI (index.html, app.js, style.css) via go:embed
- Title: 'IP Location & Status' instead of 'check-ip'
- 'Show my IP Info' link for lookups of the visitor's own IP
- Domain resolution with resolved_from field in JSON
- Richer GeoIP fields: region ISO, continent, coordinates, traits, etc.
- /api/raw debug endpoint for raw MaxMind records
- net/geoip: expand Info struct and add LookupRaw method
2026-05-27 01:29:34 -06:00

1.1 KiB
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check-ip — Handoff

Done

  • Embedded web UI at / (index.html, app.js, style.css)
  • //go-embed web/** + fs.Sub(webFS, "web") + http.FileServer
  • GET /check?host= — resolves domains, returns JSON verdict
  • GET /check? (empty host) — returns client's IP (via X-Forwarded-For / RemoteAddr)
  • GET /check?host=<ip> — pre-fills input and auto-submits on page load
  • GET /healthz — dataset health
  • Deployed to ip.bnna.net:3080
  • Created go-webapp-embed skill

Remaining

  1. ?ip= query param removed — handle() only checks host now. Existing API consumers using ?ip= will break. Fix:

    query := cmp.Or(r.URL.Query().Get("host"), r.URL.Query().Get("ip"))

  2. 105dvh in CSS — not universally supported. Use 100dvh or min-height: 100vh.

  3. Domain resolution uses only first result — net.LookupHost can return IPv4 + IPv6. Consider showing all resolved addresses.

  4. No debouncing on client — fast clicks send multiple requests. Add a simple debounce in app.js.

  5. Error display is raw — DNS errors show technical messages. Could map to user-friendly text.