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Two defects found while closing out the Search merge, neither of them in
that feature.
The maintenance loop. create_app's lifespan starts cleanup_loop as an
asyncio task, so every test — each entering that lifespan — ran a purge
pass concurrently with its own requests. On SQLite :memory: that is not
merely noisy: the engine uses a StaticPool, one connection for the whole
process, so the request's session and the cleanup task's session
interleave transactions on the same connection. A registration could
commit and then be invisible to the login three lines later, surfacing
as 401 Invalid credentials for an account created moments before, in
roughly one run of test_node_ws_auth.py in four.
The purge itself is not at fault and this is not a production condition.
A passive SQL listener caught the DELETE removing 0 rows, and the INSERT
carrying status='active' — so neither the pending-account mechanism nor
the purge filter is involved, and PostgreSQL gives every session its own
connection. What the fixture removes is the second user of the shared
one. 60 runs of the previously flaky file, 0 failures; reproductions
before the fix landed on attempts 4, 6, 13 and 29 of separate loops, so
a clean run of 60 has about a 1% chance of being luck.
_ASSETS. source-merge.js shipped missing from webapp._ASSETS, the
cache-busting hash's input list — exactly the silent failure docs/apps.md
§4 step 5 warns about: the file changes, the asset URL does not, and a
browser holding the old page keeps the old copy. Harmless this time only
because search-page.js changed in the same commit and is listed, which is
the worst way for it to go unnoticed. Found by re-reading that checklist
for the doc pass, not by any test — so there is a test now, holding
_ASSETS to every .js in static/ (sw.js excepted, unversioned on purpose).
It was the only one missing.
Phase 9 of docs/refactoring-search.md also lands here: mediacenter.md
§10.6, musicbay.md §9b, photos.md §10b, apps.md §2b and step 5.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AbwJDbNTkiRUh7HTWEoyss
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The passphrase derives two independent client-side values: auth_key (the
hub verifier) and bundle_key (AES-GCM key for the per-node identity
bundles, which live on nodes and never on the hub). Changing or
recovering a passphrase is therefore two operations — swap the hub
verifier, and re-wrap every reachable node's identity bundle.
Flow A — change a known passphrase (Profile page)
- POST /v1/users/password re-proves the current passphrase, swaps
pw_hash/salt/version, revokes every refresh token and returns a fresh
pair so the tab that made the change stays signed in.
- MeshBayTransport.rewrapAllNodes: for every group's online node, connect
with the old key, read the identity off the handshake, store it back
under the new key. Returns updated / unreachable / failed so the UI can
point at the operator-unpin fallback for the gaps. Always-shown
confirmation dialog listing reachable and unreachable groups.
Recovery key
- keyderive.js generateRecoveryKey (32 random bytes, grouped Base32) and
deriveRecoveryKey (HKDF-SHA256, domain meshbay:recovery:v1:<username>).
- Every per-node identity gets a second copy wrapped under the recovery
key: keypair_bundles.bundle_enc_recovery (node-only column, added in
_SCHEMA_KEYPAIR and via a PRAGMA-guarded ALTER for existing DBs),
carried on keypair_bundle_store / _resp. MNP 0.13 -> 0.14, additive.
- session.recoveryKey is persisted in IndexedDB (slot rk) and lazy-loaded
on connect, so a group joined in any later session still leaves a
recovery copy.
- Shown once at registration; optionally folded into the verification
e-mail as a pass-through the hub never stores or logs, with an opt-out.
- Profile -> Recovery key re-loads R and backfills every reachable node
via rewrapAllNodes in bundleKey mode (no passphrase re-entry).
Flow B — recover a lost passphrase (#/reset, linked from sign-in)
- POST /v1/users/password/reset-request {username, email}: both must be
the pair on file, checked against the blind email_hash (never
decrypted). A mismatch — wrong e-mail, unknown username, non-active
account — takes the identical no-op path (no code, no mail, same 200),
so it reveals nothing and cannot be used to spray reset mail from a
username alone. 5/min, 1-hour single-use code.
- POST /v1/users/password/reset {username, code, new_auth_key}: same
expiry / attempts / single-use checks as e-mail verification; revokes
every session and deletes every registered device key so a stored one
cannot sign back in past the reset.
- ResetPasswordPage: request code -> code + optional recovery key + new
passphrase -> reset + sign-in -> fan-out. connect() falls back to the
recovery-wrapped copy when the passphrase key cannot open bundle_enc.
Without a recovery key: sign-in is restored and each group needs the
operator-unpin fallback.
Supporting fixes (found in live testing)
- member unpin now also deletes the keypair bundle; connect() mints a
fresh identity when handed a bundle it cannot open (unless _rewrapOnly,
set by rewrapAllNodes), so a rejoin completes instead of dead-ending
before the invite-code prompt.
- A browser with no bundle key gets a passphrase prompt on the group page
instead of a "go back to the browser you registered on" message.
- RegisterPage / LoginPage / ResetPasswordPage trim the username so every
key derivation matches the hub's stored form.
Docs: docs/auth-confirm.md. Locale keys across all ten catalogues.
Tests: test_password_change, test_password_reset, test_recovery_email,
test_recovery_key, test_rewrap_fanout, test_bundle_store_recovery, plus
additions to test_admin_ops_mnp and test_webrtc_transport. Hub suite 492
passed; node suite 741 passed (the lone test_packaging_units failure is a
pre-existing RPM-spec flake, reproducible on main).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GGkxJW9br8Y9bhT8ywJ3oc
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Registration now creates a pending account and sends a 6-digit code via
email; the account activates only after verification. Email changes on
the profile page follow the same flow. Group invitations send a
notification email to the invitee (without revealing their address to
the inviter) containing the invite code and hub link.
Backend: blind HMAC-SHA256 email index for uniqueness without decryption,
mail.py for localhost Postfix delivery, verification endpoints, cleanup
of expired codes and stale pending accounts, startup backfill of
email_hash for existing users.
Frontend: 3-phase register page, inline email change verification on
profile, invite-notify call with status display. All 10 locales updated.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Both go through the same erasure, so there is one description of what happens
rather than two that drift.
Gone: credentials, email, node key, group memberships, notifications, refresh
tokens, node registrations. The username is released.
Kept, on purpose and stated in the UI: the row itself, emptied, and the IP log
that points at it. Those logs exist for a year to answer legal requests, and a
log that can no longer say whose connection it recorded keeps the data while
losing the only thing it is for. So the account becomes a tombstone rather than a
hole in the table.
Out of reach, also stated: files uploaded to nodes, and the identity keys nodes
pinned. Those are on machines the hub does not command, and only their operators
can remove them — `member unpin` and a delete on their own disk. Saying so in the
confirmation matters more than the button.
Owning groups blocks deletion, with the list. Cascading would delete other
people's groups out from under them; the account holder can hand them over or
delete them first, deliberately.
Self-deletion re-checks the passphrase. A live token may be a borrowed laptop or
a tab left open, and it is not consent to something irreversible. Admin deletion
requires admin rather than moderator: suspension is the reversible moderation
tool and stays one click away.
A deleted account's access token stops working at once — the status check already
refuses anything but "active", which the tests now pin down, because refresh
tokens being gone would otherwise leave up to an hour of usable session.
Tests: 8 covering what survives and what does not, plus a db_session fixture for
assertions that cannot honestly be made through the API.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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8.1 Config-based admin authz (require_admin on all admin endpoints)
8.2 Email encrypted at rest (AES-256-GCM, HKDF from hub Ed25519 key)
8.3 Refresh token rotation with family-based reuse detection
8.4 Federation persistence (HubPeer model replaces in-memory dict)
8.5 Federation token verification now async (DB-backed)
8.6 CSAM hash check wired into swarm registration flow
8.7 Rate limiting on auth endpoints (5/10/20 per minute)
8.8 Healthcheck endpoint (GET /v1/health, no auth)
8.9 IP log cleanup background task (365-day retention)
8.10 Argon2id params bumped to 256 MB (pw_version, rehash on login)
Deployed to meshbay.org — schema migrated, existing emails encrypted.
117 tests pass (29 hub, 88 common+node).
Resolves security review items S1, S2, S5.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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config.py: TOML + env var priority. auth.py: Argon2id passwords,
JWT EdDSA with jti, refresh token hashed (blake3). Routers:
hub (info/pubkey), users (register/login/refresh/pubkeys),
nodes (announce/get), groups (create/gek-bundle/gek-retrieve).
Rate limiting via slowapi. app.py factory with lifespan.
All 40 tests pass (SQLite in-memory, no PostgreSQL required).
Fix: remove tests/__init__.py to resolve namespace conflicts.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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