From bbb739d24a448c500dbc56c9cedf262d42c7f2f4 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Tue, 11 Jul 2017 14:31:36 +0100 Subject: Comment --- synapse/groups/attestations.py | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/synapse/groups/attestations.py b/synapse/groups/attestations.py index 9ac09366d3..5ef7a12cb7 100644 --- a/synapse/groups/attestations.py +++ b/synapse/groups/attestations.py @@ -22,8 +22,10 @@ from synapse.util.logcontext import preserve_fn from signedjson.sign import sign_json +# Default validity duration for new attestations we create DEFAULT_ATTESTATION_LENGTH_MS = 3 * 24 * 60 * 60 * 1000 -MIN_ATTESTATION_LENGTH_MS = 1 * 60 * 60 * 1000 + +# Start trying to update our attestations when they come this close to expiring UPDATE_ATTESTATION_TIME_MS = 1 * 24 * 60 * 60 * 1000 @@ -58,11 +60,12 @@ class GroupAttestationSigning(object): if group_id != attestation["group_id"]: raise SynapseError(400, "Attestation has incorrect group_id") - - # TODO: valid_until_ms = attestation["valid_until_ms"] - if valid_until_ms - self.clock.time_msec() < MIN_ATTESTATION_LENGTH_MS: - raise SynapseError(400, "Attestation not valid for long enough") + + # TODO: We also want to check that *new* attestations that people give + # us to store are valid for at least a little while. + if valid_until_ms < self.clock.time_msec(): + raise SynapseError(400, "Attestation expired") yield self.keyring.verify_json_for_server(server_name, attestation) -- cgit 1.4.1