Phase 2: SQLite persistence, admin setup-link, login/sessions

Implements the secure single-admin panel entry (spec 7.6).

- internal/store: modernc.org/sqlite (pure Go, static build), WAL +
  foreign keys, embedded PRAGMA user_version migrations; schema 0001
  covers admin/settings/domains/applications/send_log/rate_limits (spec 9).
- Setup secret-link (spec 7.6.1): 128-bit crypto/rand token, printed to
  log + /data/setup-token (0600), 10-min TTL with regeneration, per-IP
  rate limit, subtle.ConstantTimeCompare, failures don't invalidate,
  one-time admin form, permanent invalidation once admin exists (/setup 404).
- bcrypt admin password; server-side username/password validation.
- Login + in-memory sessions, crypto-random token, cookie
  HttpOnly/Secure/SameSite (Secure toggleable for dev HTTP), login
  rate limit, auth middleware.
- html/template base layout + setup/login/dashboard, vendored htmx 2.0.4.
- build/entrypoint.sh: fix bind-mounted /data ownership as root before
  supervisord drops to the unprivileged panel user (found via container test).

Verified on selfpost.mixfed.ru: go vet/build/test/gofmt clean; e2e curl
of setup+login flows; docker build + run with -v ./data:/data creates the
DB and 0600 token owned by panel.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-07-11 21:24:09 +03:00
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{{define "layout.html"}}<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{{.Title}}</title>
<script src="/static/htmx.min.js" defer></script>
<style>
:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
margin: 0; padding: 2rem 1rem; background: #f6f7f9; color: #1b1f24;
}
@media (prefers-color-scheme: dark) {
body { background: #14171a; color: #e6e8eb; }
.card { background: #1d2125 !important; border-color: #2b3138 !important; }
input { background: #14171a !important; color: inherit !important; border-color: #2b3138 !important; }
}
main { max-width: 42rem; margin: 0 auto; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
.card {
background: #fff; border: 1px solid #e2e5e9; border-radius: 10px;
padding: 1.5rem; margin: 0 auto;
}
.card.narrow { max-width: 24rem; }
label { display: block; font-weight: 600; margin: 0.9rem 0 0.3rem; }
input {
width: 100%; padding: 0.55rem 0.7rem; font-size: 1rem;
border: 1px solid #cfd4da; border-radius: 6px; background: #fff;
}
button {
margin-top: 1.2rem; padding: 0.6rem 1.1rem; font-size: 1rem; font-weight: 600;
color: #fff; background: #2563eb; border: 0; border-radius: 6px; cursor: pointer;
}
button:hover { background: #1d4ed8; }
.error { color: #b42318; margin: 0.6rem 0 0; font-weight: 600; }
.muted { color: #6b7280; }
.topbar { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1.2rem; }
form.inline { display: inline; margin: 0; }
form.inline button { background: none; color: #2563eb; padding: 0; margin: 0; font-weight: 600; }
form.inline button:hover { text-decoration: underline; background: none; }
</style>
</head>
<body>
<main>
{{template "content" .}}
</main>
</body>
</html>{{end}}