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Include cross-signing signatures when syncing remote devices for the first time (#11234)

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When fetching remote devices for the first time, we did not correctly include the cross signing keys in the returned results.

c.f. #11159
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Erik Johnston 2021-11-09 11:45:36 +00:00 • committed by GitHub
parent 820337e6a4
commit af784644c3
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3 changed files with 277 additions and 86 deletions
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151
tests/handlers/test_e2e_keys.py
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@ -17,6 +17,8 @@ from unittest import mock
from signedjson import key as key, sign as sign
from twisted.internet import defer
from synapse.api.constants import RoomEncryptionAlgorithms
from synapse.api.errors import Codes, SynapseError
@ -630,3 +632,152 @@ class E2eKeysHandlerTestCase(unittest.HomeserverTestCase):
],
other_master_key["signatures"][local_user]["ed25519:" + usersigning_pubkey],
)
def test_query_devices_remote_no_sync(self):
"""Tests that querying keys for a remote user that we don't share a room
with returns the cross signing keys correctly.
"""
remote_user_id = "@test:other"
local_user_id = "@test:test"
remote_master_key = "85T7JXPFBAySB/jwby4S3lBPTqY3+Zg53nYuGmu1ggY"
remote_self_signing_key = "QeIiFEjluPBtI7WQdG365QKZcFs9kqmHir6RBD0//nQ"
self.hs.get_federation_client().query_client_keys = mock.Mock(
return_value=defer.succeed(
{
"device_keys": {remote_user_id: {}},
"master_keys": {
remote_user_id: {
"user_id": remote_user_id,
"usage": ["master"],
"keys": {"ed25519:" + remote_master_key: remote_master_key},
},
},
"self_signing_keys": {
remote_user_id: {
"user_id": remote_user_id,
"usage": ["self_signing"],
"keys": {
"ed25519:"
+ remote_self_signing_key: remote_self_signing_key
},
}
},
}
)
)
e2e_handler = self.hs.get_e2e_keys_handler()
query_result = self.get_success(
e2e_handler.query_devices(
{
"device_keys": {remote_user_id: []},
},
timeout=10,
from_user_id=local_user_id,
from_device_id="some_device_id",
)
)
self.assertEqual(query_result["failures"], {})
self.assertEqual(
query_result["master_keys"],
{
remote_user_id: {
"user_id": remote_user_id,
"usage": ["master"],
"keys": {"ed25519:" + remote_master_key: remote_master_key},
},
},
)
self.assertEqual(
query_result["self_signing_keys"],
{
remote_user_id: {
"user_id": remote_user_id,
"usage": ["self_signing"],
"keys": {
"ed25519:" + remote_self_signing_key: remote_self_signing_key
},
}
},
)
def test_query_devices_remote_sync(self):
"""Tests that querying keys for a remote user that we share a room with,
but haven't yet fetched the keys for, returns the cross signing keys
correctly.
"""
remote_user_id = "@test:other"
local_user_id = "@test:test"
self.store.get_rooms_for_user = mock.Mock(
return_value=defer.succeed({"some_room_id"})
)
remote_master_key = "85T7JXPFBAySB/jwby4S3lBPTqY3+Zg53nYuGmu1ggY"
remote_self_signing_key = "QeIiFEjluPBtI7WQdG365QKZcFs9kqmHir6RBD0//nQ"
self.hs.get_federation_client().query_user_devices = mock.Mock(
return_value=defer.succeed(
{
"user_id": remote_user_id,
"stream_id": 1,
"devices": [],
"master_key": {
"user_id": remote_user_id,
"usage": ["master"],
"keys": {"ed25519:" + remote_master_key: remote_master_key},
},
"self_signing_key": {
"user_id": remote_user_id,
"usage": ["self_signing"],
"keys": {
"ed25519:"
+ remote_self_signing_key: remote_self_signing_key
},
},
}
)
)
e2e_handler = self.hs.get_e2e_keys_handler()
query_result = self.get_success(
e2e_handler.query_devices(
{
"device_keys": {remote_user_id: []},
},
timeout=10,
from_user_id=local_user_id,
from_device_id="some_device_id",
)
)
self.assertEqual(query_result["failures"], {})
self.assertEqual(
query_result["master_keys"],
{
remote_user_id: {
"user_id": remote_user_id,
"usage": ["master"],
"keys": {"ed25519:" + remote_master_key: remote_master_key},
}
},
)
self.assertEqual(
query_result["self_signing_keys"],
{
remote_user_id: {
"user_id": remote_user_id,
"usage": ["self_signing"],
"keys": {
"ed25519:" + remote_self_signing_key: remote_self_signing_key
},
}
},
)