mirror of
https://mau.dev/maunium/synapse.git
synced 2024-11-14 14:01:59 +01:00
3aae60f17b
Per MSC3967, which is now stable, we should not require UIA when uploading cross-signing keys for the first time. Fixes: #17227
381 lines
13 KiB
Python
381 lines
13 KiB
Python
#
|
|
# This file is licensed under the Affero General Public License (AGPL) version 3.
|
|
#
|
|
# Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
# Copyright (C) 2023 New Vector, Ltd
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# See the GNU Affero General Public License for more details:
|
|
# <https://www.gnu.org/licenses/agpl-3.0.html>.
|
|
#
|
|
# Originally licensed under the Apache License, Version 2.0:
|
|
# <http://www.apache.org/licenses/LICENSE-2.0>.
|
|
#
|
|
# [This file includes modifications made by New Vector Limited]
|
|
#
|
|
#
|
|
import urllib.parse
|
|
from http import HTTPStatus
|
|
from unittest.mock import patch
|
|
|
|
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, Requester, create_requester
|
|
|
|
from tests import unittest
|
|
from tests.http.server._base import make_request_with_cancellation_test
|
|
from tests.unittest import override_config
|
|
from tests.utils import HAS_AUTHLIB
|
|
|
|
|
|
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:
|
|
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)
|
|
|
|
|
|
class SigningKeyUploadServletTestCase(unittest.HomeserverTestCase):
|
|
servlets = [
|
|
admin.register_servlets,
|
|
keys.register_servlets,
|
|
]
|
|
|
|
OIDC_ADMIN_TOKEN = "_oidc_admin_token"
|
|
|
|
@unittest.skip_unless(HAS_AUTHLIB, "requires authlib")
|
|
@override_config(
|
|
{
|
|
"enable_registration": False,
|
|
"experimental_features": {
|
|
"msc3861": {
|
|
"enabled": True,
|
|
"issuer": "https://issuer",
|
|
"account_management_url": "https://my-account.issuer",
|
|
"client_id": "id",
|
|
"client_auth_method": "client_secret_post",
|
|
"client_secret": "secret",
|
|
"admin_token": OIDC_ADMIN_TOKEN,
|
|
},
|
|
},
|
|
}
|
|
)
|
|
def test_master_cross_signing_key_replacement_msc3861(self) -> None:
|
|
# Provision a user like MAS would, cribbing from
|
|
# https://github.com/matrix-org/matrix-authentication-service/blob/08d46a79a4adb22819ac9d55e15f8375dfe2c5c7/crates/matrix-synapse/src/lib.rs#L224-L229
|
|
alice = "@alice:test"
|
|
channel = self.make_request(
|
|
"PUT",
|
|
f"/_synapse/admin/v2/users/{urllib.parse.quote(alice)}",
|
|
access_token=self.OIDC_ADMIN_TOKEN,
|
|
content={},
|
|
)
|
|
self.assertEqual(channel.code, HTTPStatus.CREATED, channel.json_body)
|
|
|
|
# Provision a device like MAS would, cribbing from
|
|
# https://github.com/matrix-org/matrix-authentication-service/blob/08d46a79a4adb22819ac9d55e15f8375dfe2c5c7/crates/matrix-synapse/src/lib.rs#L260-L262
|
|
alice_device = "alice_device"
|
|
channel = self.make_request(
|
|
"POST",
|
|
f"/_synapse/admin/v2/users/{urllib.parse.quote(alice)}/devices",
|
|
access_token=self.OIDC_ADMIN_TOKEN,
|
|
content={"device_id": alice_device},
|
|
)
|
|
self.assertEqual(channel.code, HTTPStatus.CREATED, channel.json_body)
|
|
|
|
# Prepare a mock MAS access token.
|
|
alice_token = "alice_token_1234_oidcwhatyoudidthere"
|
|
|
|
async def mocked_get_user_by_access_token(
|
|
token: str, allow_expired: bool = False
|
|
) -> Requester:
|
|
self.assertEqual(token, alice_token)
|
|
return create_requester(
|
|
user_id=alice,
|
|
device_id=alice_device,
|
|
scope=[],
|
|
is_guest=False,
|
|
)
|
|
|
|
patch_get_user_by_access_token = patch.object(
|
|
self.hs.get_auth(),
|
|
"get_user_by_access_token",
|
|
wraps=mocked_get_user_by_access_token,
|
|
)
|
|
|
|
# Copied from E2eKeysHandlerTestCase
|
|
master_pubkey = "nqOvzeuGWT/sRx3h7+MHoInYj3Uk2LD/unI9kDYcHwk"
|
|
master_pubkey2 = "fHZ3NPiKxoLQm5OoZbKa99SYxprOjNs4TwJUKP+twCM"
|
|
master_pubkey3 = "85T7JXPFBAySB/jwby4S3lBPTqY3+Zg53nYuGmu1ggY"
|
|
|
|
master_key: JsonDict = {
|
|
"user_id": alice,
|
|
"usage": ["master"],
|
|
"keys": {"ed25519:" + master_pubkey: master_pubkey},
|
|
}
|
|
master_key2: JsonDict = {
|
|
"user_id": alice,
|
|
"usage": ["master"],
|
|
"keys": {"ed25519:" + master_pubkey2: master_pubkey2},
|
|
}
|
|
master_key3: JsonDict = {
|
|
"user_id": alice,
|
|
"usage": ["master"],
|
|
"keys": {"ed25519:" + master_pubkey3: master_pubkey3},
|
|
}
|
|
|
|
with patch_get_user_by_access_token:
|
|
# Upload an initial cross-signing key.
|
|
channel = self.make_request(
|
|
"POST",
|
|
"/_matrix/client/v3/keys/device_signing/upload",
|
|
access_token=alice_token,
|
|
content={
|
|
"master_key": master_key,
|
|
},
|
|
)
|
|
self.assertEqual(channel.code, HTTPStatus.OK, channel.json_body)
|
|
|
|
# Should not be able to upload another master key.
|
|
channel = self.make_request(
|
|
"POST",
|
|
"/_matrix/client/v3/keys/device_signing/upload",
|
|
access_token=alice_token,
|
|
content={
|
|
"master_key": master_key2,
|
|
},
|
|
)
|
|
self.assertEqual(
|
|
channel.code, HTTPStatus.NOT_IMPLEMENTED, channel.json_body
|
|
)
|
|
|
|
# Pretend that MAS did UIA and allowed us to replace the master key.
|
|
channel = self.make_request(
|
|
"POST",
|
|
f"/_synapse/admin/v1/users/{urllib.parse.quote(alice)}/_allow_cross_signing_replacement_without_uia",
|
|
access_token=self.OIDC_ADMIN_TOKEN,
|
|
)
|
|
self.assertEqual(HTTPStatus.OK, channel.code, msg=channel.json_body)
|
|
|
|
with patch_get_user_by_access_token:
|
|
# Should now be able to upload master key2.
|
|
channel = self.make_request(
|
|
"POST",
|
|
"/_matrix/client/v3/keys/device_signing/upload",
|
|
access_token=alice_token,
|
|
content={
|
|
"master_key": master_key2,
|
|
},
|
|
)
|
|
self.assertEqual(channel.code, HTTPStatus.OK, channel.json_body)
|
|
|
|
# Even though we're still in the grace period, we shouldn't be able to
|
|
# upload master key 3 immediately after uploading key 2.
|
|
channel = self.make_request(
|
|
"POST",
|
|
"/_matrix/client/v3/keys/device_signing/upload",
|
|
access_token=alice_token,
|
|
content={
|
|
"master_key": master_key3,
|
|
},
|
|
)
|
|
self.assertEqual(
|
|
channel.code, HTTPStatus.NOT_IMPLEMENTED, channel.json_body
|
|
)
|
|
|
|
# Pretend that MAS did UIA and allowed us to replace the master key.
|
|
channel = self.make_request(
|
|
"POST",
|
|
f"/_synapse/admin/v1/users/{urllib.parse.quote(alice)}/_allow_cross_signing_replacement_without_uia",
|
|
access_token=self.OIDC_ADMIN_TOKEN,
|
|
)
|
|
self.assertEqual(HTTPStatus.OK, channel.code, msg=channel.json_body)
|
|
timestamp_ms = channel.json_body["updatable_without_uia_before_ms"]
|
|
|
|
# Advance to 1 second after the replacement period ends.
|
|
self.reactor.advance(timestamp_ms - self.clock.time_msec() + 1000)
|
|
|
|
with patch_get_user_by_access_token:
|
|
# We should not be able to upload master key3 because the replacement has
|
|
# expired.
|
|
channel = self.make_request(
|
|
"POST",
|
|
"/_matrix/client/v3/keys/device_signing/upload",
|
|
access_token=alice_token,
|
|
content={
|
|
"master_key": master_key3,
|
|
},
|
|
)
|
|
self.assertEqual(
|
|
channel.code, HTTPStatus.NOT_IMPLEMENTED, channel.json_body
|
|
)
|