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This commit is contained in:
Hubert Chathi 2019-09-24 16:19:54 -04:00
parent 39864f45ec
commit f4b6d43ec3
1 changed files with 10 additions and 2 deletions
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12
synapse/handlers/e2e_keys.py
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@ -699,7 +699,10 @@ class E2eKeysHandler(object):
user_id, "self_signing"
)
# get our master key, since it may be signed
# get our master key, since we may have received a signature of it.
# We need to fetch it here so that we know what its key ID is, so
# that we can check if a signature that was sent is a signature of
# the master key or of a device
master_key, _, master_verify_key = yield self._get_e2e_cross_signing_verify_key(
user_id, "master"
)
@ -719,8 +722,10 @@ class E2eKeysHandler(object):
return signature_list, failures
for device_id, device in signatures.items():
# make sure submitted data is in the right form
if not isinstance(device, dict):
raise SynapseError(400, "Invalid parameter", Codes.INVALID_PARAM)
try:
if "signatures" not in device or user_id not in device["signatures"]:
# no signature was sent
@ -729,6 +734,8 @@ class E2eKeysHandler(object):
)
if device_id == master_verify_key.version:
# The signature is of the master key. This needs to be
# handled differently from signatures of normal devices.
master_key_signature_list = self._check_master_key_signature(
user_id, device_id, device, master_key, devices
)
@ -743,7 +750,6 @@ class E2eKeysHandler(object):
400, "Invalid signature", Codes.INVALID_SIGNATURE
)
stored_device = None
try:
stored_device = devices[device_id]["keys"]
except KeyError:
@ -848,11 +854,13 @@ class E2eKeysHandler(object):
return signature_list, failures
for target_user, devicemap in signatures.items():
# make sure submitted data is in the right form
if not isinstance(devicemap, dict):
raise SynapseError(400, "Invalid parameter", Codes.INVALID_PARAM)
for device in devicemap.values():
if not isinstance(device, dict):
raise SynapseError(400, "Invalid parameter", Codes.INVALID_PARAM)
device_id = None
try:
# get the target user's master key, to make sure it matches