diff options
Diffstat (limited to 'packages/meshbay-hub/src/meshbay_hub/api/revocation.py')
| -rw-r--r-- | packages/meshbay-hub/src/meshbay_hub/api/revocation.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/api/revocation.py b/packages/meshbay-hub/src/meshbay_hub/api/revocation.py index f8cae8a..2c0b8db 100644 --- a/packages/meshbay-hub/src/meshbay_hub/api/revocation.py +++ b/packages/meshbay-hub/src/meshbay_hub/api/revocation.py @@ -441,6 +441,7 @@ async def notify_incoming( body: IncomingRequest, request: Request, current_user: User = Depends(get_current_user), + db: AsyncSession = Depends(get_db), ): """ Signal a node that a client wants to connect (NAT punch coordination). @@ -450,8 +451,18 @@ async def notify_incoming( arbitrary node emit UDP packets to an address of their choosing — a small reflection primitive using someone else's machine. The probe target must now be the caller's own source address. + + Like the offer relay, the caller must share an active group with the node — + checked **before** anything reveals whether the node is connected, so this is + not a liveness oracle a stranger can poll, and a stranger cannot make a node + punch on their behalf. """ from meshbay_hub.api.netutil import client_ip + from meshbay_hub.api.signaling import require_shared_active_group + + # First, and before anything reveals whether the node is connected: a + # stranger cannot poll this for a node's liveness, nor make it punch. + await require_shared_active_group(db, node_id, current_user.id) caller_ip = client_ip(request) if body.peer_ip != caller_ip: |