feat(auth): define Default/Local owner contract (#5795)

* feat(auth): define default local owner contract

* test(auth): harden default local owner matrix

---------

Co-authored-by: Alexandre Teixeira <111787685+alteixeira20@users.noreply.github.com>
This commit is contained in:
RaresKeY
2026-08-15 20:27:26 +01:00
committed by GitHub
co-authored by Alexandre Teixeira
parent 9c71948376
commit 0dd70a7556
13 changed files with 250 additions and 45 deletions
+1 -1
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@@ -37,7 +37,7 @@ Non-admin defaults are in `core/auth.py:DEFAULT_PRIVILEGES`. Tool enforcement is
- **Sessions:** bcrypt passwords, 7-day session tokens stored atomically in `data/sessions.json` via `core/atomic_io.py`.
- **2FA:** TOTP with 8 single-use backup codes. Verified after password check, before session issuance.
- **Reserved usernames:** `internal-tool`, `api`, `demo`, `system` cannot be registered or renamed into. Defined in `core/auth.py:RESERVED_USERNAMES`.
- **Reserved usernames:** request sentinels and the Default/Local storage owner cannot be registered or renamed into. Defined in `core/auth.py:RESERVED_USERNAMES`.
- `internal-tool` is security-critical: `core/middleware.py:require_admin` treats any request where `request.state.current_user == "internal-tool"` as the in-process tool loopback and grants admin unconditionally. A real account with that name would silently pass every `require_admin` check.
- **Orphan sessions:** `validate_token` re-checks that the user record still exists on every call. A deleted user's cookie is dropped on next request rather than continuing to authenticate.