Commit Graph

4 Commits (feat/mailboxes)

Author SHA1 Message Date
nexxo 3699c7cdb9 Ask the tunnel gateway where it actually listens
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The console has been unreachable over the VPN, and the cause was the readiness
probe rather than the tunnel. The gateway binds to the WireGuard hub address
alone; the probe asked 127.0.0.1, where nothing has ever listened. It could only
fail, so VPN_READY stayed false, and on that basis the application withheld the
`DNS = 10.66.0.1` line from every client config it issued. A phone then built
the tunnel, asked its normal resolver for the console hostname, got the public
address and had its connection closed — indistinguishable from "this site does
not exist", which is exactly what it looked like.

Probing over TLS on the bare address would not have worked either: the site
matches on the console's hostname, so a request without SNI is offered no
certificate. The gateway now answers a plain-HTTP health port on the hub
address, which removes TLS, SNI and name resolution from the question and
answers only what is being asked — is this gateway listening, in this network
namespace, right now. Caddy refuses to start when the certificate is unreadable,
so a health port that answers still proves the whole file loaded.

Also here, all found while looking:

- Icons pushed their label onto a second line and rendered a size larger than
  asked for. Tailwind's preflight makes an svg display:block, and `.size-4` and
  `.size-5` have equal specificity, so stylesheet order decided — and it emits
  size-4 first. Every icon written as 16px was silently 20px. Recorded as R18.
- Four error pages printed `errors.404.hint` in place of a sentence: the lang
  files give those codes a null hint and Laravel returns the key for a null line.
- The Developer role had no label in either language, so the dropdown showed
  `admin_settings.role_developer`.
- The secrets area held one key, which is not worth a password gate. It now
  carries the credentials that actually stop the business when they expire —
  DNS, monitoring, SMTP — and the test button appears only where a checker
  exists, instead of reporting on Stripe whatever was being looked at.
- The update button said nothing about when a queued run would start or where a
  running one had got to; both are now shown, and a failure names its step.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-27 14:43:23 +02:00
Claude 457eeeeaef Serve the console inside the tunnel, without publishing the internal network
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The owner's phone shows a blank page on the VPN. That page is the reverse proxy
refusing the request, and it refuses because the phone is not on the tunnel: the
client config routes only the management subnet, so a request to the console's
public hostname leaves over the mobile network and arrives from a carrier
address. It is also why the peer reads "last contact: never" — WireGuard only
handshakes when it has traffic to send, and nothing is ever routed in.

The obvious fixes are both wrong. Adding the server's public address to
AllowedIPs routes the WireGuard endpoint into the tunnel it is trying to
establish. A public DNS record pointing at 10.66.0.1 publishes the internal
subnet to anyone enumerating the domain — the owner raised that himself, and he
was right.

So the console is served INSIDE the tunnel instead. A small resolver and a small
gateway share the hub container's network namespace, which is where wg0 lives,
and answer on 10.66.0.1 directly. A client therefore needs no route beyond the
subnet it already has, the host's docker bridge is never exposed, and the
request reaches the application with its real 10.66.0.x source — which is what
the console's own allowlist checks. The gateway reuses the certificate the
public Caddy already renews: a certificate is bound to the name, not to the
address serving it, so nothing new is issued and nothing internal reaches a
public zone.

Most of this commit is the arithmetic of not lying about it. Review found
fourteen ways the arrangement could report itself working while it was not:
enabling the compose profile after the services were started rather than before;
starting a gateway with empty certificate paths, which can only crash; treating
"container created" as "container running"; carrying a stale readiness marker
through a failed restart; reusing the previous hostname's certificate after a
rename; leaving the profile enabled when the hostname was cleared, in a script
that exits early precisely when nothing else would fix it; reading the renewal
timestamp as a user who cannot traverse Caddy's storage; and a `find | head`
that aborts the whole installer under pipefail the moment two issuers hold a
certificate for the same name.

One of them was mine and worth naming: to let the container read the
certificate, I had made the TLS private key world-readable. On a multi-user host
that hands the console's identity to every local account.

The client is told about the resolver only when both services are confirmed
running, because a config naming a resolver that does not exist takes the
device's entire name resolution with it for as long as the tunnel is up.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-27 10:14:33 +02:00
Claude bc8bbc56a5 Make the console's access list reach the proxy, price in euros, and answer errors
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The console was unreachable, and not for the reason it looked like. Two causes,
both mine.

A failed `artisan optimize` — the one that hit duplicate route names — left a
broken route cache behind, so every request to the console host answered 500.
Rebuilt.

Underneath that: the reverse proxy has its own console allowlist, hard-coded,
and it runs BEFORE the application. Everything added on the console's own
access page was therefore ineffective, and when the owner's address changed
they were turned away by the proxy before reaching the page that would have
fixed it. The proxy now imports a fragment generated from the same list the
console manages, regenerated by the host agent and reloaded when it changes.

Getting that safe took most of the review. It refuses to rewrite an ambiguous
Caddyfile rather than replacing some other site's matcher; it never falls back
to a loopback-only list when the application cannot be reached, because that
list validates cleanly and locks out every remote operator; it retries a reload
that failed instead of assuming it worked; and an installation that upgrades
without rerunning the installer is told, because otherwise the whole mechanism
is invisibly absent.

Prices are entered in euros. The form asked for cents, so €799 was typed as
79900 and one slipped digit was a factor of ten on an invoice. Conversion
happens in one place, on the string rather than through a float — (float)
'79.90' × 100 is 7989.999… and casting truncates to 7989, one cent short on
exactly the prices people charge — and it refuses an amount the column cannot
hold instead of failing at the database.

Every error code has a page now, in the site's own language and typeface,
self-contained so it still renders when the asset manifest is the thing that
broke. There was only a bare white 404.

The VPN list stops being a seven-column table nobody could fit: names broke
across two lines and so did the headings. These are attributes of one access,
not quantities compared down a column, so each access is a row — identity on
one line, measurements in mono on the next.

The status page says what it measures rather than what it promises. "New orders
are delivered without failures" read as a marketing claim on a page whose only
job is to be believed, and said nothing about the last 24 hours.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-27 06:51:05 +02:00
Claude 276f926d57 Add the update button, and give it a host-side agent that can actually update
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The panel had no way to update the installation, and could not have one on its
own: it runs as www-data inside a container, and the update restarts that
container. A button that shelled out would kill its own web server
mid-response, and would need the application to hold host-level credentials —
a far worse thing to own than an out-of-date checkout.

So the button is a mailbox. The panel writes a request into the checkout; a
systemd timer on the host, running as the service account, consumes it, runs
deploy/update.sh and writes back what happened. The same timer answers the
question the panel cannot answer alone — is there anything to update — which
needs a git fetch, and therefore credentials the application does not have.

The parts that were wrong before review, all of which would have shipped as a
button that looks fine and does nothing:

- The agent was only installed by install.sh, which the installed base never
  runs again. Every existing server would have shown the button permanently
  disabled. It has its own root entry point now, install.sh delegates to it,
  and update.sh says so when the unit is missing.
- On a release-pinned server the checkout is detached, so it followed
  "origin/HEAD" and then ran an update that deliberately stays on the pinned
  tag: updates advertised, nothing applied. It now compares TAGS in release
  mode and passes the target release through.
- On a branch other than main it advertised that branch's commits and then
  deployed main's, because update.sh defaults to main.
- A request written while the agent was down was executed whenever the agent
  next started, days later.
- A single status file meant the routine five-minute check overwrote a failed
  update with "idle" before anyone saw it.
- An agent that had been stopped left the button enabled forever, because a
  status file written once counted as an agent.
- The agent's error messages were German strings rendered into an English
  interface; it reports codes now and the panel translates them.

Also: the add-address button in the console-access panel was as tall as the
field plus its hint, because the hint was a sibling inside the flex row.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-27 05:33:17 +02:00