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ipx-web: the page in its own container, behind Caddy (#203)

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web/build.mjs builds a static site, web/dist, with the icons and typeface
beside the pages; Dockerfile.web serves it with Caddy, which passes /api
and /media to ipx on the same origin, so cookies, live updates and
Cloudflare Access work as before. ipx serves no page any more: build.rs
and every include_str! of the web files are gone, and its image is built
without node.

What ipx did to the page as it served it is kept another way. Caddy asks
ipx before serving a page (forward_auth): /api/page-check sends a browser
not signed in to /login and a non-admin away from /admin, and refuses them
/admin.js; /api/login-check sends someone Access vouches for past the
form; a page asked for with ?token= goes to /api/signin, which sets the
cookie. The theme and the admin link, once written into the page per
person, are set by web/boot.js in <head> from the theme cookie and the
last visit, before the first frame, and /api/me brings the version and
the account's theme from before.

Caddy strips the Cf-Access-* headers from every peer but TUNNEL_PEER, the
address cloudflared's requests come from, which is the boundary
trusted_proxies drew; ipx then trusts only Caddy's address.

The browser suite runs Caddy in front of its daemon, so it tests what
production would run. Not deployed: production's cutover is on #203.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Ray Slakinski
2026-10-12 05:06:53 +00:00
parent c47aa57909
commit f9870938bf
21 changed files with 276 additions and 278 deletions
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docs/sso.md
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@@ -84,6 +84,16 @@ stays `192.168.64.1` when the network is recreated. It was `192.168.16.1`, `cont
ipx was part of the `content` project. If the subnet is ever changed, update `trusted_proxies` to
match.
### Behind ipx-web (#203)
With the page served by `ipx-web` (Caddy), cloudflared reaches Caddy instead, still through the
host's port 8099, so its requests still arrive from `192.168.64.1`, at Caddy now. Caddy passes the
`Cf-Access-*` headers on only from that address (`TUNNEL_PEER`) and strips them from everyone else,
the boundary `trusted_proxies` drew before. ipx then sees every request come from Caddy, so
`trusted_proxies` names Caddy's address on `ipx_default`, pinned in the compose file
(`192.168.64.10`), instead of the gateway. The token check is unchanged: a header Caddy passes on
still needs a valid `Cf-Access-Jwt-Assertion`.
### Names
The username is the email address, lower-cased: `rays@sdf1.net`. To sign in at `/login` with a