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-rw-r--r--tests/rest/client/test_keys.py141
1 files changed, 141 insertions, 0 deletions
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)