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Author SHA1 Message Date
bvandeusenandClaude Opus 5.5 e8b75143f1 feat(backup): check a backup against what is in place, changing nothing (#5823)
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#5823 "Check a backup: compare what it would restore with what is in
place, without restoring".

- steward/backup/check.py: pg_restore writes the backup's rows as COPY
  text with no database involved. The rows in place go out through COPY in
  the same form. Tables are compared on their primary keys, over the columns
  both sides have, and grouped by area.
- Sealed values are opened with each side's own key and compared as
  plaintext digests, so a secret sealed twice still matches. They are never
  shown. A backup whose key can't open its own secrets fails the check.
- What Steward records as it runs (last-seen times, a schedule's last run,
  backup history, scraped UniFi fields) is left out of the comparison:
  contents.ACTIVITY, STATE_SETTINGS and HAND_SET_ONLY.
- Settings → Backups:
  - a Check button on each sent backup, which fetches it from the bucket
    (new s3.get_file);
  - "Check a file" to upload one, with the size limit raised before the
    CSRF check reads the form;
  - a results page.
- Each backup Steward sends checks itself once written, and its history
  row says how that went.
- New CLI command `steward check-backup FILE`. CI's image smoke step checks a
  real backup against its source and expects a match.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-15 10:48:48 -04:00
bvandeusenandClaude Opus 5.5 96126b1c83 feat(auth): forged browser requests are refused (#5031)
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#5031 "Forged-request protection: SameSite cookie, per-session CSRF token
on every non-GET, HTMX header". A page on another site could make a
logged-in browser POST to Steward with the session cookie attached.

- steward/auth/csrf.py: a per-session token, checked in one before_request
  for every POST/PUT/PATCH/DELETE (header X-CSRF-Token or form field
  csrf_token, constant-time compare). The bearer-authenticated host-agent
  ingest is exempt; /mcp never reaches Quart.
- Every POST form renders {{ csrf_field() }}; base.html carries the token
  in a meta tag and adds it to every HTMX request; the dashboard's fetch()
  calls send it.
- The session cookie is SameSite=Lax; login issues a fresh token.
- PUBLIC_BASE_URL is now loaded from Settings at startup (it was only set
  when Settings → General was saved).
- tests/test_csrf.py: refusal, acceptance, rotation, the ingest exemption,
  and a guard that every POST form in the templates carries the field.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-06 10:44:19 -04:00