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.example.com: 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>
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