diff --git a/tests/rest/client/test_keys.py b/tests/rest/client/test_keys.py
index 741fecea77..8ee5489057 100644
--- a/tests/rest/client/test_keys.py
+++ b/tests/rest/client/test_keys.py
@@ -14,12 +14,21 @@
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):
@@ -118,3 +127,135 @@ class KeyQueryTestCase(unittest.HomeserverTestCase):
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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