1137 lines
42 KiB
Python
1137 lines
42 KiB
Python
# Copyright 2016 OpenMarket Ltd
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# Copyright 2019 New Vector Ltd
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Iterable
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from unittest import mock
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from parameterized import parameterized
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from signedjson import key as key, sign as sign
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.api.constants import RoomEncryptionAlgorithms
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from synapse.api.errors import Codes, SynapseError
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from synapse.appservice import ApplicationService
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from synapse.handlers.device import DeviceHandler
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from synapse.server import HomeServer
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from synapse.storage.databases.main.appservice import _make_exclusive_regex
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests import unittest
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from tests.test_utils import make_awaitable
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from tests.unittest import override_config
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class E2eKeysHandlerTestCase(unittest.HomeserverTestCase):
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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self.appservice_api = mock.Mock()
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return self.setup_test_homeserver(
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federation_client=mock.Mock(), application_service_api=self.appservice_api
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)
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.handler = hs.get_e2e_keys_handler()
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self.store = self.hs.get_datastores().main
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def test_query_local_devices_no_devices(self) -> None:
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"""If the user has no devices, we expect an empty list."""
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local_user = "@boris:" + self.hs.hostname
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res = self.get_success(self.handler.query_local_devices({local_user: None}))
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self.assertDictEqual(res, {local_user: {}})
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def test_reupload_one_time_keys(self) -> None:
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"""we should be able to re-upload the same keys"""
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local_user = "@boris:" + self.hs.hostname
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device_id = "xyz"
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keys: JsonDict = {
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"alg1:k1": "key1",
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"alg2:k2": {"key": "key2", "signatures": {"k1": "sig1"}},
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"alg2:k3": {"key": "key3"},
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}
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# Note that "signed_curve25519" is always returned in key count responses. This is necessary until
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# https://github.com/matrix-org/matrix-doc/issues/3298 is fixed.
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res = self.get_success(
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self.handler.upload_keys_for_user(
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local_user, device_id, {"one_time_keys": keys}
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)
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)
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self.assertDictEqual(
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res, {"one_time_key_counts": {"alg1": 1, "alg2": 2, "signed_curve25519": 0}}
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)
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# we should be able to change the signature without a problem
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keys["alg2:k2"]["signatures"]["k1"] = "sig2"
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res = self.get_success(
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self.handler.upload_keys_for_user(
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local_user, device_id, {"one_time_keys": keys}
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)
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)
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self.assertDictEqual(
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res, {"one_time_key_counts": {"alg1": 1, "alg2": 2, "signed_curve25519": 0}}
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)
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def test_change_one_time_keys(self) -> None:
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"""attempts to change one-time-keys should be rejected"""
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local_user = "@boris:" + self.hs.hostname
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device_id = "xyz"
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keys = {
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"alg1:k1": "key1",
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"alg2:k2": {"key": "key2", "signatures": {"k1": "sig1"}},
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"alg2:k3": {"key": "key3"},
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}
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res = self.get_success(
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self.handler.upload_keys_for_user(
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local_user, device_id, {"one_time_keys": keys}
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)
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)
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self.assertDictEqual(
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res, {"one_time_key_counts": {"alg1": 1, "alg2": 2, "signed_curve25519": 0}}
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)
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# Error when changing string key
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self.get_failure(
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self.handler.upload_keys_for_user(
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local_user, device_id, {"one_time_keys": {"alg1:k1": "key2"}}
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),
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SynapseError,
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)
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# Error when replacing dict key with string
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self.get_failure(
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self.handler.upload_keys_for_user(
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local_user, device_id, {"one_time_keys": {"alg2:k3": "key2"}}
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),
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SynapseError,
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)
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# Error when replacing string key with dict
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self.get_failure(
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self.handler.upload_keys_for_user(
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local_user,
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device_id,
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{"one_time_keys": {"alg1:k1": {"key": "key"}}},
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),
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SynapseError,
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)
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# Error when replacing dict key
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self.get_failure(
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self.handler.upload_keys_for_user(
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local_user,
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device_id,
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{
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"one_time_keys": {
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"alg2:k2": {"key": "key3", "signatures": {"k1": "sig1"}}
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}
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},
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),
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SynapseError,
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)
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def test_claim_one_time_key(self) -> None:
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local_user = "@boris:" + self.hs.hostname
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device_id = "xyz"
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keys = {"alg1:k1": "key1"}
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res = self.get_success(
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self.handler.upload_keys_for_user(
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local_user, device_id, {"one_time_keys": keys}
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)
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)
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self.assertDictEqual(
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res, {"one_time_key_counts": {"alg1": 1, "signed_curve25519": 0}}
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)
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res2 = self.get_success(
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self.handler.claim_one_time_keys(
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{"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
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)
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)
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self.assertEqual(
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res2,
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{
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"failures": {},
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"one_time_keys": {local_user: {device_id: {"alg1:k1": "key1"}}},
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},
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)
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def test_fallback_key(self) -> None:
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local_user = "@boris:" + self.hs.hostname
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device_id = "xyz"
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fallback_key = {"alg1:k1": "fallback_key1"}
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fallback_key2 = {"alg1:k2": "fallback_key2"}
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fallback_key3 = {"alg1:k2": "fallback_key3"}
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otk = {"alg1:k2": "key2"}
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# we shouldn't have any unused fallback keys yet
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res = self.get_success(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(res, [])
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self.get_success(
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self.handler.upload_keys_for_user(
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local_user,
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device_id,
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{"fallback_keys": fallback_key},
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)
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)
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# we should now have an unused alg1 key
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fallback_res = self.get_success(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(fallback_res, ["alg1"])
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# claiming an OTK when no OTKs are available should return the fallback
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# key
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claim_res = self.get_success(
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self.handler.claim_one_time_keys(
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{"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
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)
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)
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self.assertEqual(
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claim_res,
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{"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
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)
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# we shouldn't have any unused fallback keys again
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unused_res = self.get_success(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(unused_res, [])
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# claiming an OTK again should return the same fallback key
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claim_res = self.get_success(
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self.handler.claim_one_time_keys(
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{"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
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)
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)
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self.assertEqual(
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claim_res,
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{"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
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)
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# re-uploading the same fallback key should still result in no unused fallback
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# keys
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self.get_success(
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self.handler.upload_keys_for_user(
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local_user,
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device_id,
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{"fallback_keys": fallback_key},
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)
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)
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unused_res = self.get_success(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(unused_res, [])
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# uploading a new fallback key should result in an unused fallback key
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self.get_success(
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self.handler.upload_keys_for_user(
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local_user,
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device_id,
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{"fallback_keys": fallback_key2},
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)
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)
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unused_res = self.get_success(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(unused_res, ["alg1"])
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# if the user uploads a one-time key, the next claim should fetch the
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# one-time key, and then go back to the fallback
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self.get_success(
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self.handler.upload_keys_for_user(
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local_user, device_id, {"one_time_keys": otk}
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)
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)
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claim_res = self.get_success(
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self.handler.claim_one_time_keys(
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{"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
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)
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)
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self.assertEqual(
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claim_res,
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{"failures": {}, "one_time_keys": {local_user: {device_id: otk}}},
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)
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claim_res = self.get_success(
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self.handler.claim_one_time_keys(
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{"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
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)
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)
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self.assertEqual(
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claim_res,
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{"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key2}}},
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)
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# using the unstable prefix should also set the fallback key
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self.get_success(
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self.handler.upload_keys_for_user(
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local_user,
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device_id,
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{"org.matrix.msc2732.fallback_keys": fallback_key3},
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)
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)
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claim_res = self.get_success(
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self.handler.claim_one_time_keys(
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{"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
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)
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)
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self.assertEqual(
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claim_res,
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{"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key3}}},
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)
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def test_replace_master_key(self) -> None:
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"""uploading a new signing key should make the old signing key unavailable"""
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local_user = "@boris:" + self.hs.hostname
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keys1 = {
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"master_key": {
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# private key: 2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0
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"user_id": local_user,
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"usage": ["master"],
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"keys": {
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"ed25519:nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk": "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk"
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},
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}
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}
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self.get_success(self.handler.upload_signing_keys_for_user(local_user, keys1))
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keys2 = {
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"master_key": {
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# private key: 4TL4AjRYwDVwD3pqQzcor+ez/euOB1/q78aTJ+czDNs
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"user_id": local_user,
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"usage": ["master"],
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"keys": {
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"ed25519:Hq6gL+utB4ET+UvD5ci0kgAwsX6qP/zvf8v6OInU5iw": "Hq6gL+utB4ET+UvD5ci0kgAwsX6qP/zvf8v6OInU5iw"
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},
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}
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}
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self.get_success(self.handler.upload_signing_keys_for_user(local_user, keys2))
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devices = self.get_success(
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self.handler.query_devices(
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{"device_keys": {local_user: []}}, 0, local_user, "device123"
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)
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)
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self.assertDictEqual(devices["master_keys"], {local_user: keys2["master_key"]})
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def test_reupload_signatures(self) -> None:
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"""re-uploading a signature should not fail"""
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local_user = "@boris:" + self.hs.hostname
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keys1 = {
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"master_key": {
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# private key: HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8
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"user_id": local_user,
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"usage": ["master"],
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"keys": {
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"ed25519:EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ": "EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ"
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},
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},
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"self_signing_key": {
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# private key: 2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0
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"user_id": local_user,
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"usage": ["self_signing"],
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"keys": {
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"ed25519:nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk": "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk"
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},
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},
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}
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master_signing_key = key.decode_signing_key_base64(
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"ed25519",
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"EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ",
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"HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8",
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)
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sign.sign_json(keys1["self_signing_key"], local_user, master_signing_key)
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signing_key = key.decode_signing_key_base64(
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"ed25519",
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"nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk",
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"2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0",
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)
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self.get_success(self.handler.upload_signing_keys_for_user(local_user, keys1))
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# upload two device keys, which will be signed later by the self-signing key
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device_key_1: JsonDict = {
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"user_id": local_user,
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"device_id": "abc",
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"algorithms": [
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"m.olm.curve25519-aes-sha2",
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RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
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],
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"keys": {
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"ed25519:abc": "base64+ed25519+key",
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"curve25519:abc": "base64+curve25519+key",
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},
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"signatures": {local_user: {"ed25519:abc": "base64+signature"}},
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}
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device_key_2: JsonDict = {
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"user_id": local_user,
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"device_id": "def",
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"algorithms": [
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"m.olm.curve25519-aes-sha2",
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RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
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],
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"keys": {
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"ed25519:def": "base64+ed25519+key",
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"curve25519:def": "base64+curve25519+key",
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},
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"signatures": {local_user: {"ed25519:def": "base64+signature"}},
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}
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self.get_success(
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self.handler.upload_keys_for_user(
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local_user, "abc", {"device_keys": device_key_1}
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)
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)
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self.get_success(
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self.handler.upload_keys_for_user(
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local_user, "def", {"device_keys": device_key_2}
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)
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)
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# sign the first device key and upload it
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del device_key_1["signatures"]
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sign.sign_json(device_key_1, local_user, signing_key)
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self.get_success(
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self.handler.upload_signatures_for_device_keys(
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local_user, {local_user: {"abc": device_key_1}}
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)
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)
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# sign the second device key and upload both device keys. The server
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# should ignore the first device key since it already has a valid
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# signature for it
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del device_key_2["signatures"]
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sign.sign_json(device_key_2, local_user, signing_key)
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self.get_success(
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self.handler.upload_signatures_for_device_keys(
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local_user, {local_user: {"abc": device_key_1, "def": device_key_2}}
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)
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)
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device_key_1["signatures"][local_user]["ed25519:abc"] = "base64+signature"
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device_key_2["signatures"][local_user]["ed25519:def"] = "base64+signature"
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devices = self.get_success(
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self.handler.query_devices(
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{"device_keys": {local_user: []}}, 0, local_user, "device123"
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)
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)
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del devices["device_keys"][local_user]["abc"]["unsigned"]
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del devices["device_keys"][local_user]["def"]["unsigned"]
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self.assertDictEqual(devices["device_keys"][local_user]["abc"], device_key_1)
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self.assertDictEqual(devices["device_keys"][local_user]["def"], device_key_2)
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def test_self_signing_key_doesnt_show_up_as_device(self) -> None:
|
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"""signing keys should be hidden when fetching a user's devices"""
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local_user = "@boris:" + self.hs.hostname
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keys1 = {
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"master_key": {
|
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# private key: 2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0
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"user_id": local_user,
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"usage": ["master"],
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"keys": {
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"ed25519:nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk": "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk"
|
|
},
|
|
}
|
|
}
|
|
self.get_success(self.handler.upload_signing_keys_for_user(local_user, keys1))
|
|
|
|
device_handler = self.hs.get_device_handler()
|
|
assert isinstance(device_handler, DeviceHandler)
|
|
e = self.get_failure(
|
|
device_handler.check_device_registered(
|
|
user_id=local_user,
|
|
device_id="nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk",
|
|
initial_device_display_name="new display name",
|
|
),
|
|
SynapseError,
|
|
)
|
|
res = e.value.code
|
|
self.assertEqual(res, 400)
|
|
|
|
query_res = self.get_success(
|
|
self.handler.query_local_devices({local_user: None})
|
|
)
|
|
self.assertDictEqual(query_res, {local_user: {}})
|
|
|
|
def test_upload_signatures(self) -> None:
|
|
"""should check signatures that are uploaded"""
|
|
# set up a user with cross-signing keys and a device. This user will
|
|
# try uploading signatures
|
|
local_user = "@boris:" + self.hs.hostname
|
|
device_id = "xyz"
|
|
# private key: OMkooTr76ega06xNvXIGPbgvvxAOzmQncN8VObS7aBA
|
|
device_pubkey = "NnHhnqiMFQkq969szYkooLaBAXW244ZOxgukCvm2ZeY"
|
|
device_key: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_id,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {"curve25519:xyz": "curve25519+key", "ed25519:xyz": device_pubkey},
|
|
"signatures": {local_user: {"ed25519:xyz": "something"}},
|
|
}
|
|
device_signing_key = key.decode_signing_key_base64(
|
|
"ed25519", "xyz", "OMkooTr76ega06xNvXIGPbgvvxAOzmQncN8VObS7aBA"
|
|
)
|
|
|
|
self.get_success(
|
|
self.handler.upload_keys_for_user(
|
|
local_user, device_id, {"device_keys": device_key}
|
|
)
|
|
)
|
|
|
|
# private key: 2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0
|
|
master_pubkey = "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk"
|
|
master_key: JsonDict = {
|
|
"user_id": local_user,
|
|
"usage": ["master"],
|
|
"keys": {"ed25519:" + master_pubkey: master_pubkey},
|
|
}
|
|
master_signing_key = key.decode_signing_key_base64(
|
|
"ed25519", master_pubkey, "2lonYOM6xYKdEsO+6KrC766xBcHnYnim1x/4LFGF8B0"
|
|
)
|
|
usersigning_pubkey = "Hq6gL+utB4ET+UvD5ci0kgAwsX6qP/zvf8v6OInU5iw"
|
|
usersigning_key = {
|
|
# private key: 4TL4AjRYwDVwD3pqQzcor+ez/euOB1/q78aTJ+czDNs
|
|
"user_id": local_user,
|
|
"usage": ["user_signing"],
|
|
"keys": {"ed25519:" + usersigning_pubkey: usersigning_pubkey},
|
|
}
|
|
usersigning_signing_key = key.decode_signing_key_base64(
|
|
"ed25519", usersigning_pubkey, "4TL4AjRYwDVwD3pqQzcor+ez/euOB1/q78aTJ+czDNs"
|
|
)
|
|
sign.sign_json(usersigning_key, local_user, master_signing_key)
|
|
# private key: HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8
|
|
selfsigning_pubkey = "EmkqvokUn8p+vQAGZitOk4PWjp7Ukp3txV2TbMPEiBQ"
|
|
selfsigning_key = {
|
|
"user_id": local_user,
|
|
"usage": ["self_signing"],
|
|
"keys": {"ed25519:" + selfsigning_pubkey: selfsigning_pubkey},
|
|
}
|
|
selfsigning_signing_key = key.decode_signing_key_base64(
|
|
"ed25519", selfsigning_pubkey, "HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8"
|
|
)
|
|
sign.sign_json(selfsigning_key, local_user, master_signing_key)
|
|
cross_signing_keys = {
|
|
"master_key": master_key,
|
|
"user_signing_key": usersigning_key,
|
|
"self_signing_key": selfsigning_key,
|
|
}
|
|
self.get_success(
|
|
self.handler.upload_signing_keys_for_user(local_user, cross_signing_keys)
|
|
)
|
|
|
|
# set up another user with a master key. This user will be signed by
|
|
# the first user
|
|
other_user = "@otherboris:" + self.hs.hostname
|
|
other_master_pubkey = "fHZ3NPiKxoLQm5OoZbKa99SYxprOjNs4TwJUKP+twCM"
|
|
other_master_key: JsonDict = {
|
|
# private key: oyw2ZUx0O4GifbfFYM0nQvj9CL0b8B7cyN4FprtK8OI
|
|
"user_id": other_user,
|
|
"usage": ["master"],
|
|
"keys": {"ed25519:" + other_master_pubkey: other_master_pubkey},
|
|
}
|
|
self.get_success(
|
|
self.handler.upload_signing_keys_for_user(
|
|
other_user, {"master_key": other_master_key}
|
|
)
|
|
)
|
|
|
|
# test various signature failures (see below)
|
|
ret = self.get_success(
|
|
self.handler.upload_signatures_for_device_keys(
|
|
local_user,
|
|
{
|
|
local_user: {
|
|
# fails because the signature is invalid
|
|
# should fail with INVALID_SIGNATURE
|
|
device_id: {
|
|
"user_id": local_user,
|
|
"device_id": device_id,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"curve25519:xyz": "curve25519+key",
|
|
# private key: OMkooTr76ega06xNvXIGPbgvvxAOzmQncN8VObS7aBA
|
|
"ed25519:xyz": device_pubkey,
|
|
},
|
|
"signatures": {
|
|
local_user: {
|
|
"ed25519:" + selfsigning_pubkey: "something"
|
|
}
|
|
},
|
|
},
|
|
# fails because device is unknown
|
|
# should fail with NOT_FOUND
|
|
"unknown": {
|
|
"user_id": local_user,
|
|
"device_id": "unknown",
|
|
"signatures": {
|
|
local_user: {
|
|
"ed25519:" + selfsigning_pubkey: "something"
|
|
}
|
|
},
|
|
},
|
|
# fails because the signature is invalid
|
|
# should fail with INVALID_SIGNATURE
|
|
master_pubkey: {
|
|
"user_id": local_user,
|
|
"usage": ["master"],
|
|
"keys": {"ed25519:" + master_pubkey: master_pubkey},
|
|
"signatures": {
|
|
local_user: {"ed25519:" + device_pubkey: "something"}
|
|
},
|
|
},
|
|
},
|
|
other_user: {
|
|
# fails because the device is not the user's master-signing key
|
|
# should fail with NOT_FOUND
|
|
"unknown": {
|
|
"user_id": other_user,
|
|
"device_id": "unknown",
|
|
"signatures": {
|
|
local_user: {
|
|
"ed25519:" + usersigning_pubkey: "something"
|
|
}
|
|
},
|
|
},
|
|
other_master_pubkey: {
|
|
# fails because the key doesn't match what the server has
|
|
# should fail with UNKNOWN
|
|
"user_id": other_user,
|
|
"usage": ["master"],
|
|
"keys": {
|
|
"ed25519:" + other_master_pubkey: other_master_pubkey
|
|
},
|
|
"something": "random",
|
|
"signatures": {
|
|
local_user: {
|
|
"ed25519:" + usersigning_pubkey: "something"
|
|
}
|
|
},
|
|
},
|
|
},
|
|
},
|
|
)
|
|
)
|
|
|
|
user_failures = ret["failures"][local_user]
|
|
self.assertEqual(user_failures[device_id]["errcode"], Codes.INVALID_SIGNATURE)
|
|
self.assertEqual(
|
|
user_failures[master_pubkey]["errcode"], Codes.INVALID_SIGNATURE
|
|
)
|
|
self.assertEqual(user_failures["unknown"]["errcode"], Codes.NOT_FOUND)
|
|
|
|
other_user_failures = ret["failures"][other_user]
|
|
self.assertEqual(other_user_failures["unknown"]["errcode"], Codes.NOT_FOUND)
|
|
self.assertEqual(
|
|
other_user_failures[other_master_pubkey]["errcode"], Codes.UNKNOWN
|
|
)
|
|
|
|
# test successful signatures
|
|
del device_key["signatures"]
|
|
sign.sign_json(device_key, local_user, selfsigning_signing_key)
|
|
sign.sign_json(master_key, local_user, device_signing_key)
|
|
sign.sign_json(other_master_key, local_user, usersigning_signing_key)
|
|
ret = self.get_success(
|
|
self.handler.upload_signatures_for_device_keys(
|
|
local_user,
|
|
{
|
|
local_user: {device_id: device_key, master_pubkey: master_key},
|
|
other_user: {other_master_pubkey: other_master_key},
|
|
},
|
|
)
|
|
)
|
|
|
|
self.assertEqual(ret["failures"], {})
|
|
|
|
# fetch the signed keys/devices and make sure that the signatures are there
|
|
ret = self.get_success(
|
|
self.handler.query_devices(
|
|
{"device_keys": {local_user: [], other_user: []}},
|
|
0,
|
|
local_user,
|
|
"device123",
|
|
)
|
|
)
|
|
|
|
self.assertEqual(
|
|
ret["device_keys"][local_user]["xyz"]["signatures"][local_user][
|
|
"ed25519:" + selfsigning_pubkey
|
|
],
|
|
device_key["signatures"][local_user]["ed25519:" + selfsigning_pubkey],
|
|
)
|
|
self.assertEqual(
|
|
ret["master_keys"][local_user]["signatures"][local_user][
|
|
"ed25519:" + device_id
|
|
],
|
|
master_key["signatures"][local_user]["ed25519:" + device_id],
|
|
)
|
|
self.assertEqual(
|
|
ret["master_keys"][other_user]["signatures"][local_user][
|
|
"ed25519:" + usersigning_pubkey
|
|
],
|
|
other_master_key["signatures"][local_user]["ed25519:" + usersigning_pubkey],
|
|
)
|
|
|
|
def test_query_devices_remote_no_sync(self) -> None:
|
|
"""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( # type: ignore[assignment]
|
|
return_value=make_awaitable(
|
|
{
|
|
"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) -> None:
|
|
"""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"
|
|
|
|
# Pretend we're sharing a room with the user we're querying. If not,
|
|
# `_query_devices_for_destination` will return early.
|
|
self.store.get_rooms_for_user = mock.Mock(
|
|
return_value=make_awaitable({"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( # type: ignore[assignment]
|
|
return_value=make_awaitable(
|
|
{
|
|
"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
|
|
},
|
|
}
|
|
},
|
|
)
|
|
|
|
@parameterized.expand(
|
|
[
|
|
# The remote homeserver's response indicates that this user has 0/1/2 devices.
|
|
([],),
|
|
(["device_1"],),
|
|
(["device_1", "device_2"],),
|
|
]
|
|
)
|
|
def test_query_all_devices_caches_result(self, device_ids: Iterable[str]) -> None:
|
|
"""Test that requests for all of a remote user's devices are cached.
|
|
|
|
We do this by asserting that only one call over federation was made, and that
|
|
the two queries to the local homeserver produce the same response.
|
|
"""
|
|
local_user_id = "@test:test"
|
|
remote_user_id = "@test:other"
|
|
request_body: JsonDict = {"device_keys": {remote_user_id: []}}
|
|
|
|
response_devices = [
|
|
{
|
|
"device_id": device_id,
|
|
"keys": {
|
|
"algorithms": ["dummy"],
|
|
"device_id": device_id,
|
|
"keys": {f"dummy:{device_id}": "dummy"},
|
|
"signatures": {device_id: {f"dummy:{device_id}": "dummy"}},
|
|
"unsigned": {},
|
|
"user_id": "@test:other",
|
|
},
|
|
}
|
|
for device_id in device_ids
|
|
]
|
|
|
|
response_body = {
|
|
"devices": response_devices,
|
|
"user_id": remote_user_id,
|
|
"stream_id": 12345, # an integer, according to the spec
|
|
}
|
|
|
|
e2e_handler = self.hs.get_e2e_keys_handler()
|
|
|
|
# Pretend we're sharing a room with the user we're querying. If not,
|
|
# `_query_devices_for_destination` will return early.
|
|
mock_get_rooms = mock.patch.object(
|
|
self.store,
|
|
"get_rooms_for_user",
|
|
new_callable=mock.MagicMock,
|
|
return_value=make_awaitable(["some_room_id"]),
|
|
)
|
|
mock_get_users = mock.patch.object(
|
|
self.store,
|
|
"get_users_server_still_shares_room_with",
|
|
new_callable=mock.MagicMock,
|
|
return_value=make_awaitable({remote_user_id}),
|
|
)
|
|
mock_request = mock.patch.object(
|
|
self.hs.get_federation_client(),
|
|
"query_user_devices",
|
|
new_callable=mock.MagicMock,
|
|
return_value=make_awaitable(response_body),
|
|
)
|
|
|
|
with mock_get_rooms, mock_get_users, mock_request as mocked_federation_request:
|
|
# Make the first query and sanity check it succeeds.
|
|
response_1 = self.get_success(
|
|
e2e_handler.query_devices(
|
|
request_body,
|
|
timeout=10,
|
|
from_user_id=local_user_id,
|
|
from_device_id="some_device_id",
|
|
)
|
|
)
|
|
self.assertEqual(response_1["failures"], {})
|
|
|
|
# We should have made a federation request to do so.
|
|
mocked_federation_request.assert_called_once()
|
|
|
|
# Reset the mock so we can prove we don't make a second federation request.
|
|
mocked_federation_request.reset_mock()
|
|
|
|
# Repeat the query.
|
|
response_2 = self.get_success(
|
|
e2e_handler.query_devices(
|
|
request_body,
|
|
timeout=10,
|
|
from_user_id=local_user_id,
|
|
from_device_id="some_device_id",
|
|
)
|
|
)
|
|
self.assertEqual(response_2["failures"], {})
|
|
|
|
# We should not have made a second federation request.
|
|
mocked_federation_request.assert_not_called()
|
|
|
|
# The two requests to the local homeserver should be identical.
|
|
self.assertEqual(response_1, response_2)
|
|
|
|
@override_config({"experimental_features": {"msc3983_appservice_otk_claims": True}})
|
|
def test_query_appservice(self) -> None:
|
|
local_user = "@boris:" + self.hs.hostname
|
|
device_id_1 = "xyz"
|
|
fallback_key = {"alg1:k1": "fallback_key1"}
|
|
device_id_2 = "abc"
|
|
otk = {"alg1:k2": "key2"}
|
|
|
|
# Inject an appservice interested in this user.
|
|
appservice = ApplicationService(
|
|
token="i_am_an_app_service",
|
|
id="1234",
|
|
namespaces={"users": [{"regex": r"@boris:.+", "exclusive": True}]},
|
|
# Note: this user does not have to match the regex above
|
|
sender="@as_main:test",
|
|
)
|
|
self.hs.get_datastores().main.services_cache = [appservice]
|
|
self.hs.get_datastores().main.exclusive_user_regex = _make_exclusive_regex(
|
|
[appservice]
|
|
)
|
|
|
|
# Setup a response, but only for device 2.
|
|
self.appservice_api.claim_client_keys.return_value = make_awaitable(
|
|
({local_user: {device_id_2: otk}}, [(local_user, device_id_1, "alg1")])
|
|
)
|
|
|
|
# we shouldn't have any unused fallback keys yet
|
|
res = self.get_success(
|
|
self.store.get_e2e_unused_fallback_key_types(local_user, device_id_1)
|
|
)
|
|
self.assertEqual(res, [])
|
|
|
|
self.get_success(
|
|
self.handler.upload_keys_for_user(
|
|
local_user,
|
|
device_id_1,
|
|
{"fallback_keys": fallback_key},
|
|
)
|
|
)
|
|
|
|
# we should now have an unused alg1 key
|
|
fallback_res = self.get_success(
|
|
self.store.get_e2e_unused_fallback_key_types(local_user, device_id_1)
|
|
)
|
|
self.assertEqual(fallback_res, ["alg1"])
|
|
|
|
# claiming an OTK when no OTKs are available should ask the appservice, then
|
|
# query the fallback keys.
|
|
claim_res = self.get_success(
|
|
self.handler.claim_one_time_keys(
|
|
{
|
|
"one_time_keys": {
|
|
local_user: {device_id_1: "alg1", device_id_2: "alg1"}
|
|
}
|
|
},
|
|
timeout=None,
|
|
)
|
|
)
|
|
self.assertEqual(
|
|
claim_res,
|
|
{
|
|
"failures": {},
|
|
"one_time_keys": {
|
|
local_user: {device_id_1: fallback_key, device_id_2: otk}
|
|
},
|
|
},
|
|
)
|
|
|
|
@override_config({"experimental_features": {"msc3984_appservice_key_query": True}})
|
|
def test_query_local_devices_appservice(self) -> None:
|
|
"""Test that querying of appservices for keys overrides responses from the database."""
|
|
local_user = "@boris:" + self.hs.hostname
|
|
device_1 = "abc"
|
|
device_2 = "def"
|
|
device_3 = "ghi"
|
|
|
|
# There are 3 devices:
|
|
#
|
|
# 1. One which is uploaded to the homeserver.
|
|
# 2. One which is uploaded to the homeserver, but a newer copy is returned
|
|
# by the appservice.
|
|
# 3. One which is only returned by the appservice.
|
|
device_key_1: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_1,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"ed25519:abc": "base64+ed25519+key",
|
|
"curve25519:abc": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:abc": "base64+signature"}},
|
|
}
|
|
device_key_2a: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_2,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"ed25519:def": "base64+ed25519+key",
|
|
"curve25519:def": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:def": "base64+signature"}},
|
|
}
|
|
|
|
device_key_2b: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_2,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
# The device ID is the same (above), but the keys are different.
|
|
"keys": {
|
|
"ed25519:xyz": "base64+ed25519+key",
|
|
"curve25519:xyz": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:xyz": "base64+signature"}},
|
|
}
|
|
device_key_3: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_3,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"ed25519:jkl": "base64+ed25519+key",
|
|
"curve25519:jkl": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:jkl": "base64+signature"}},
|
|
}
|
|
|
|
# Upload keys for devices 1 & 2a.
|
|
self.get_success(
|
|
self.handler.upload_keys_for_user(
|
|
local_user, device_1, {"device_keys": device_key_1}
|
|
)
|
|
)
|
|
self.get_success(
|
|
self.handler.upload_keys_for_user(
|
|
local_user, device_2, {"device_keys": device_key_2a}
|
|
)
|
|
)
|
|
|
|
# Inject an appservice interested in this user.
|
|
appservice = ApplicationService(
|
|
token="i_am_an_app_service",
|
|
id="1234",
|
|
namespaces={"users": [{"regex": r"@boris:.+", "exclusive": True}]},
|
|
# Note: this user does not have to match the regex above
|
|
sender="@as_main:test",
|
|
)
|
|
self.hs.get_datastores().main.services_cache = [appservice]
|
|
self.hs.get_datastores().main.exclusive_user_regex = _make_exclusive_regex(
|
|
[appservice]
|
|
)
|
|
|
|
# Setup a response.
|
|
self.appservice_api.query_keys.return_value = make_awaitable(
|
|
{
|
|
"device_keys": {
|
|
local_user: {device_2: device_key_2b, device_3: device_key_3}
|
|
}
|
|
}
|
|
)
|
|
|
|
# Request all devices.
|
|
res = self.get_success(self.handler.query_local_devices({local_user: None}))
|
|
self.assertIn(local_user, res)
|
|
for res_key in res[local_user].values():
|
|
res_key.pop("unsigned", None)
|
|
self.assertDictEqual(
|
|
res,
|
|
{
|
|
local_user: {
|
|
device_1: device_key_1,
|
|
device_2: device_key_2b,
|
|
device_3: device_key_3,
|
|
}
|
|
},
|
|
)
|