Matrix/synapse
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This commit is contained in:
Erik Johnston 2017-07-11 14:31:36 +01:00
parent 26752df503
commit bbb739d24a
1 changed files with 8 additions and 5 deletions
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13
synapse/groups/attestations.py
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@ -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)