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don't crash if the user doesn't have cross-signing keys

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This commit is contained in:
Hubert Chathi 2019-05-22 21:24:21 -04:00
parent 8d3542a64e
commit a1aaf3eea6
1 changed files with 25 additions and 14 deletions
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39
synapse/storage/devices.py
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@ -136,18 +136,24 @@ class DeviceWorkerStore(SQLBaseStore):
self_signing_key_by_user = {}
for user in users:
cross_signing_key = yield self.get_e2e_cross_signing_key(user, "master")
key_id, verify_key = get_verify_key_from_cross_signing_key(cross_signing_key)
master_key_by_user[user] = {
"key_info": cross_signing_key,
"pubkey": verify_key.version
}
if cross_signing_key:
key_id, verify_key = get_verify_key_from_cross_signing_key(
cross_signing_key
)
master_key_by_user[user] = {
"key_info": cross_signing_key,
"pubkey": verify_key.version
}
cross_signing_key = yield self.get_e2e_cross_signing_key(user, "self_signing")
key_id, verify_key = get_verify_key_from_cross_signing_key(cross_signing_key)
self_signing_key_by_user[user] = {
"key_info": cross_signing_key,
"pubkey": verify_key.version
}
if cross_signing_key:
key_id, verify_key = get_verify_key_from_cross_signing_key(
cross_signing_key
)
self_signing_key_by_user[user] = {
"key_info": cross_signing_key,
"pubkey": verify_key.version
}
# if we have exceeded the limit, we need to exclude any results with the
# same stream_id as the last row.
@ -178,8 +184,11 @@ class DeviceWorkerStore(SQLBaseStore):
# Stop processing updates
break
if update[1] == master_key_by_user[update[0]]["pubkey"] or \
update[1] == self_signing_key_by_user[update[0]]["pubkey"]:
# skip over cross-signing keys
if (update[0] in master_key_by_user
and update[1] == master_key_by_user[update[0]]["pubkey"]) \
or (update[0] in master_key_by_user
and update[1] == self_signing_key_by_user[update[0]]["pubkey"]):
continue
key = (update[0], update[1])
@ -200,11 +209,13 @@ class DeviceWorkerStore(SQLBaseStore):
# update list with the master/self-signing key by user maps
cross_signing_keys_by_user = {}
for user_id, device_id, stream in updates:
if device_id == master_key_by_user[user_id]["pubkey"]:
if device_id == master_key_by_user.get(user_id, {}) \
.get("pubkey", None):
result = cross_signing_keys_by_user.setdefault(user_id, {})
result["master_key"] = \
master_key_by_user[user_id]["key_info"]
elif device_id == self_signing_key_by_user[user_id]["pubkey"]:
elif device_id == self_signing_key_by_user.get(user_id, {}) \
.get("pubkey", None):
result = cross_signing_keys_by_user.setdefault(user_id, {})
result["self_signing_key"] = \
self_signing_key_by_user[user_id]["key_info"]