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path: root/packages/meshbay-node/src/meshbay_node/revocation.py
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* refactor(node): delete the revocation subscriber H4 replacedChristophe Besson6 days1-149/+0
| | | | | | | | | | | | | | | | | | | | | | `RevocationSubscriber` kept its revocations in two in-memory sets. That is the defect **H4** names: revocations that live only in memory mean a node restart silently un-revokes everyone, and group revocations were dropped entirely. The fix was the persisted `Denylist`, fed from `hub_client.maintain_ws` through `daemon.py`'s `on_revocation`, which verifies the token against the hub key and calls `deny_user` / `deny_group`. So this is not merely unused code. It is the version the register records as wrong, left beside the one that replaced it — and its docstring still opens with "Usage in daemon:" and three lines of instructions for wiring it up, which is the worst shape dead code takes: it reads as the way to do the thing. **L7** is about exactly this, and the index cache removed two days ago was the same shape. Certainty before deleting, since that was the condition: no import of it anywhere, static or dynamic; no entry point; nothing in packaging, the systemd units, the man page, QE or the documentation; and no test covers it. Every module in the three packages still imports, ruff passes, and the suite is 2893 — unchanged. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
* style: the 98 ruff could not fix, so the linter is a signal againChristophe Besson6 days1-8/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pass before this applied ruff's own fixes. These are the ones needing a decision, and the point of doing them is that `ruff check .` now passes: a linter reporting 98 known-acceptable findings reports nothing, because the next real one arrives invisible. **Lines over 100 (70).** Mostly wrapped where they stood. Two exceptions: the aligned trailing comments in `protocol.py`'s message table were shortened rather than wrapped, because wrapping one row of a table breaks the table; and in `models.py` the column comments moved above their columns for the same reason. **Imports below the first statement (14).** `csam.py` kept its FastAPI imports under a section header halfway down the file; two node tests had a constant and a `pytestmark` wedged between two import blocks. Moved, not suppressed. **Bindings nothing reads (4).** Three in tests, where the call stays and only the name goes — `_user(client, "listener")` is there to create the user, not to return one. The fourth was in `revocation.py` and was not a lint finding at all: `_connect_and_listen` opened an httpx stream to the WebSocket URL, did `pass`, and then opened the real connection through the `websockets` library. One pointless request per connect, left over from before that library was used directly. Removed, and `httpx` with it. **`l` as a name (4)**, **semicolons (6)** in the POC spikes, and the rest. 2893 passed, the same count as the two commits before it. `meshbay_node/revocation.py` is worth a decision separately: 154 lines that nothing imports, superseded by `hub_client.maintain_ws`'s `on_revocation`. This commit only stopped it failing the linter. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
* style: ruff's own fixes, mechanically appliedChristophe Besson6 days1-2/+1
| | | | | | | | | | | | | | | | | | | | `ruff check .` had gone unrun long enough to report 568 errors, which is the same as having no linter: the next real finding would have been invisible in the noise. This is the 521 it fixes by itself, in 173 files, and nothing else — the 98 it cannot fix are the next commit. What actually changed: import sorting (225), imports nobody used (87, none of them a re-export — no `__init__.py` is touched, which was the one way this could have broken an import elsewhere), `datetime.timezone.utc` to `datetime.UTC` (69) and `asyncio.TimeoutError` to `TimeoutError` (18), both plain aliases on the 3.12 this project requires, `Optional[X]` to `X | None` (24), and f-strings with nothing to interpolate (19). Checked rather than assumed: every module in the three packages still imports, and the suite is 2893 passed — the same count, test for test, as the merge before it. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
* fix: tolerate clock skew when verifying JWTs (leeway 60s)Christophe Besson2026-09-041-0/+2
| | | | | | | | | | | | | | | A client whose clock is a little fast could not connect at all: the MNP handshake verified the hub-issued token with no leeway, so a token whose `iat` was a few seconds ahead of the node's clock failed with "the token is not yet valid (iat)". Seen against a freshly-resumed VM guest. `meshbay_common.handshake.JWT_LEEWAY_SECONDS = 60` is the shared value; applied to the handshake, the node's own hub-token decode, revocation-token verification, and the hub's access-token decode. 60s absorbs NTP-level skew without meaningfully widening the window on a stolen token (they already carry a jti and an exp). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
* feat: add revocation push (WebSocket hub→node) — 5.7Christophe Besson2026-08-091-0/+153
Hub: /v1/nodes/ws WebSocket endpoint for persistent node connections. /v1/admin/revoke marks user/group revoked in DB, signs JWT revocation token (EdDSA), broadcasts to all connected nodes. Node: RevocationSubscriber maintains WS connection, verifies incoming revocation tokens offline (hub Ed25519 PK), adds to local blocklist (_revoked_users/_revoked_groups sets). 53/53 tests. Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>