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# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
from http import HTTPStatus
from signedjson.key import (
encode_verify_key_base64,
generate_signing_key,
get_verify_key,
)
from signedjson.sign import sign_json
from synapse.api.errors import Codes
from synapse.rest import admin
from synapse.rest.client import keys, login
from synapse.types import JsonDict
from tests import unittest
from tests.http.server._base import make_request_with_cancellation_test
from tests.unittest import override_config
class KeyQueryTestCase(unittest.HomeserverTestCase):
servlets = [
keys.register_servlets,
admin.register_servlets_for_client_rest_resource,
login.register_servlets,
]
def test_rejects_device_id_ice_key_outside_of_list(self) -> None:
self.register_user("alice", "wonderland")
alice_token = self.login("alice", "wonderland")
bob = self.register_user("bob", "uncle")
channel = self.make_request(
"POST",
"/_matrix/client/r0/keys/query",
{
"device_keys": {
bob: "device_id1",
},
},
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.BAD_REQUEST, channel.result)
self.assertEqual(
channel.json_body["errcode"],
Codes.BAD_JSON,
channel.result,
)
def test_rejects_device_key_given_as_map_to_bool(self) -> None:
self.register_user("alice", "wonderland")
alice_token = self.login("alice", "wonderland")
bob = self.register_user("bob", "uncle")
channel = self.make_request(
"POST",
"/_matrix/client/r0/keys/query",
{
"device_keys": {
bob: {
"device_id1": True,
},
},
},
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.BAD_REQUEST, channel.result)
self.assertEqual(
channel.json_body["errcode"],
Codes.BAD_JSON,
channel.result,
)
def test_requires_device_key(self) -> None:
"""`device_keys` is required. We should complain if it's missing."""
self.register_user("alice", "wonderland")
alice_token = self.login("alice", "wonderland")
channel = self.make_request(
"POST",
"/_matrix/client/r0/keys/query",
{},
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.BAD_REQUEST, channel.result)
self.assertEqual(
channel.json_body["errcode"],
Codes.BAD_JSON,
channel.result,
)
def test_key_query_cancellation(self) -> None:
"""
Tests that /keys/query is cancellable and does not swallow the
CancelledError.
"""
self.register_user("alice", "wonderland")
alice_token = self.login("alice", "wonderland")
bob = self.register_user("bob", "uncle")
channel = make_request_with_cancellation_test(
"test_key_query_cancellation",
self.reactor,
self.site,
"POST",
"/_matrix/client/r0/keys/query",
{
"device_keys": {
# Empty list means we request keys for all bob's devices
bob: [],
},
},
token=alice_token,
)
self.assertEqual(200, channel.code, msg=channel.result["body"])
self.assertIn(bob, channel.json_body["device_keys"])
def make_device_keys(self, user_id: str, device_id: str) -> JsonDict:
# We only generate a master key to simplify the test.
master_signing_key = generate_signing_key(device_id)
master_verify_key = encode_verify_key_base64(get_verify_key(master_signing_key))
return {
"master_key": sign_json(
{
"user_id": user_id,
"usage": ["master"],
"keys": {"ed25519:" + master_verify_key: master_verify_key},
},
user_id,
master_signing_key,
),
}
def test_device_signing_with_uia(self) -> None:
"""Device signing key upload requires UIA."""
password = "wonderland"
device_id = "ABCDEFGHI"
alice_id = self.register_user("alice", password)
alice_token = self.login("alice", password, device_id=device_id)
content = self.make_device_keys(alice_id, device_id)
channel = self.make_request(
"POST",
"/_matrix/client/v3/keys/device_signing/upload",
content,
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.UNAUTHORIZED, channel.result)
# Grab the session
session = channel.json_body["session"]
# Ensure that flows are what is expected.
self.assertIn({"stages": ["m.login.password"]}, channel.json_body["flows"])
# add UI auth
content["auth"] = {
"type": "m.login.password",
"identifier": {"type": "m.id.user", "user": alice_id},
"password": password,
"session": session,
}
channel = self.make_request(
"POST",
"/_matrix/client/v3/keys/device_signing/upload",
content,
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.OK, channel.result)
@override_config({"ui_auth": {"session_timeout": "15m"}})
def test_device_signing_with_uia_session_timeout(self) -> None:
"""Device signing key upload requires UIA buy passes with grace period."""
password = "wonderland"
device_id = "ABCDEFGHI"
alice_id = self.register_user("alice", password)
alice_token = self.login("alice", password, device_id=device_id)
content = self.make_device_keys(alice_id, device_id)
channel = self.make_request(
"POST",
"/_matrix/client/v3/keys/device_signing/upload",
content,
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.OK, channel.result)
@override_config(
{
"experimental_features": {"msc3967_enabled": True},
"ui_auth": {"session_timeout": "15s"},
}
)
def test_device_signing_with_msc3967(self) -> None:
"""Device signing key follows MSC3967 behaviour when enabled."""
password = "wonderland"
device_id = "ABCDEFGHI"
alice_id = self.register_user("alice", password)
alice_token = self.login("alice", password, device_id=device_id)
keys1 = self.make_device_keys(alice_id, device_id)
# Initial request should succeed as no existing keys are present.
channel = self.make_request(
"POST",
"/_matrix/client/v3/keys/device_signing/upload",
keys1,
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.OK, channel.result)
keys2 = self.make_device_keys(alice_id, device_id)
# Subsequent request should require UIA as keys already exist even though session_timeout is set.
channel = self.make_request(
"POST",
"/_matrix/client/v3/keys/device_signing/upload",
keys2,
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.UNAUTHORIZED, channel.result)
# Grab the session
session = channel.json_body["session"]
# Ensure that flows are what is expected.
self.assertIn({"stages": ["m.login.password"]}, channel.json_body["flows"])
# add UI auth
keys2["auth"] = {
"type": "m.login.password",
"identifier": {"type": "m.id.user", "user": alice_id},
"password": password,
"session": session,
}
# Request should complete
channel = self.make_request(
"POST",
"/_matrix/client/v3/keys/device_signing/upload",
keys2,
alice_token,
)
self.assertEqual(channel.code, HTTPStatus.OK, channel.result)
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