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authorreivilibre <oliverw@matrix.org>2022-02-24 17:55:45 +0000
committerGitHub <noreply@github.com>2022-02-24 17:55:45 +0000
commit2cc5ea933dbe65445e3711bb3f05022b007029ea (patch)
tree3d971362f6eb91e810fbdf861310e0cecbd43917 /tests
parentFix non-strings in the `event_search` table (#12037) (diff)
downloadsynapse-2cc5ea933dbe65445e3711bb3f05022b007029ea.tar.xz
Add support for MSC3202: sending one-time key counts and fallback key usage states to Application Services. (#11617)
Co-authored-by: Erik Johnston <erik@matrix.org>
Diffstat (limited to 'tests')
-rw-r--r--tests/appservice/test_scheduler.py55
-rw-r--r--tests/handlers/test_appservice.py194
-rw-r--r--tests/storage/test_appservice.py8
3 files changed, 233 insertions, 24 deletions
diff --git a/tests/appservice/test_scheduler.py b/tests/appservice/test_scheduler.py
index 8fb6687f89..b9dc4dfe1b 100644
--- a/tests/appservice/test_scheduler.py
+++ b/tests/appservice/test_scheduler.py
@@ -68,6 +68,8 @@ class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase):
             events=events,
             ephemeral=[],
             to_device_messages=[],  # txn made and saved
+            one_time_key_counts={},
+            unused_fallback_keys={},
         )
         self.assertEquals(0, len(self.txnctrl.recoverers))  # no recoverer made
         txn.complete.assert_called_once_with(self.store)  # txn completed
@@ -92,6 +94,8 @@ class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase):
             events=events,
             ephemeral=[],
             to_device_messages=[],  # txn made and saved
+            one_time_key_counts={},
+            unused_fallback_keys={},
         )
         self.assertEquals(0, txn.send.call_count)  # txn not sent though
         self.assertEquals(0, txn.complete.call_count)  # or completed
@@ -114,7 +118,12 @@ class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase):
         self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events)))
 
         self.store.create_appservice_txn.assert_called_once_with(
-            service=service, events=events, ephemeral=[], to_device_messages=[]
+            service=service,
+            events=events,
+            ephemeral=[],
+            to_device_messages=[],
+            one_time_key_counts={},
+            unused_fallback_keys={},
         )
         self.assertEquals(1, self.recoverer_fn.call_count)  # recoverer made
         self.assertEquals(1, self.recoverer.recover.call_count)  # and invoked
@@ -216,7 +225,7 @@ class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
         service = Mock(id=4)
         event = Mock()
         self.scheduler.enqueue_for_appservice(service, events=[event])
-        self.txn_ctrl.send.assert_called_once_with(service, [event], [], [])
+        self.txn_ctrl.send.assert_called_once_with(service, [event], [], [], None, None)
 
     def test_send_single_event_with_queue(self):
         d = defer.Deferred()
@@ -231,11 +240,13 @@ class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
         # (call enqueue_for_appservice multiple times deliberately)
         self.scheduler.enqueue_for_appservice(service, events=[event2])
         self.scheduler.enqueue_for_appservice(service, events=[event3])
-        self.txn_ctrl.send.assert_called_with(service, [event], [], [])
+        self.txn_ctrl.send.assert_called_with(service, [event], [], [], None, None)
         self.assertEquals(1, self.txn_ctrl.send.call_count)
         # Resolve the send event: expect the queued events to be sent
         d.callback(service)
-        self.txn_ctrl.send.assert_called_with(service, [event2, event3], [], [])
+        self.txn_ctrl.send.assert_called_with(
+            service, [event2, event3], [], [], None, None
+        )
         self.assertEquals(2, self.txn_ctrl.send.call_count)
 
     def test_multiple_service_queues(self):
@@ -261,15 +272,15 @@ class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
         # send events for different ASes and make sure they are sent
         self.scheduler.enqueue_for_appservice(srv1, events=[srv_1_event])
         self.scheduler.enqueue_for_appservice(srv1, events=[srv_1_event2])
-        self.txn_ctrl.send.assert_called_with(srv1, [srv_1_event], [], [])
+        self.txn_ctrl.send.assert_called_with(srv1, [srv_1_event], [], [], None, None)
         self.scheduler.enqueue_for_appservice(srv2, events=[srv_2_event])
         self.scheduler.enqueue_for_appservice(srv2, events=[srv_2_event2])
-        self.txn_ctrl.send.assert_called_with(srv2, [srv_2_event], [], [])
+        self.txn_ctrl.send.assert_called_with(srv2, [srv_2_event], [], [], None, None)
 
         # make sure callbacks for a service only send queued events for THAT
         # service
         srv_2_defer.callback(srv2)
-        self.txn_ctrl.send.assert_called_with(srv2, [srv_2_event2], [], [])
+        self.txn_ctrl.send.assert_called_with(srv2, [srv_2_event2], [], [], None, None)
         self.assertEquals(3, self.txn_ctrl.send.call_count)
 
     def test_send_large_txns(self):
@@ -288,13 +299,19 @@ class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
             self.scheduler.enqueue_for_appservice(service, [event], [])
 
         # Expect the first event to be sent immediately.
-        self.txn_ctrl.send.assert_called_with(service, [event_list[0]], [], [])
+        self.txn_ctrl.send.assert_called_with(
+            service, [event_list[0]], [], [], None, None
+        )
         srv_1_defer.callback(service)
         # Then send the next 100 events
-        self.txn_ctrl.send.assert_called_with(service, event_list[1:101], [], [])
+        self.txn_ctrl.send.assert_called_with(
+            service, event_list[1:101], [], [], None, None
+        )
         srv_2_defer.callback(service)
         # Then the final 99 events
-        self.txn_ctrl.send.assert_called_with(service, event_list[101:], [], [])
+        self.txn_ctrl.send.assert_called_with(
+            service, event_list[101:], [], [], None, None
+        )
         self.assertEquals(3, self.txn_ctrl.send.call_count)
 
     def test_send_single_ephemeral_no_queue(self):
@@ -302,14 +319,18 @@ class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
         service = Mock(id=4, name="service")
         event_list = [Mock(name="event")]
         self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
-        self.txn_ctrl.send.assert_called_once_with(service, [], event_list, [])
+        self.txn_ctrl.send.assert_called_once_with(
+            service, [], event_list, [], None, None
+        )
 
     def test_send_multiple_ephemeral_no_queue(self):
         # Expect the event to be sent immediately.
         service = Mock(id=4, name="service")
         event_list = [Mock(name="event1"), Mock(name="event2"), Mock(name="event3")]
         self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
-        self.txn_ctrl.send.assert_called_once_with(service, [], event_list, [])
+        self.txn_ctrl.send.assert_called_once_with(
+            service, [], event_list, [], None, None
+        )
 
     def test_send_single_ephemeral_with_queue(self):
         d = defer.Deferred()
@@ -324,13 +345,13 @@ class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
         # Send more events: expect send() to NOT be called multiple times.
         self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_2)
         self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_3)
-        self.txn_ctrl.send.assert_called_with(service, [], event_list_1, [])
+        self.txn_ctrl.send.assert_called_with(service, [], event_list_1, [], None, None)
         self.assertEquals(1, self.txn_ctrl.send.call_count)
         # Resolve txn_ctrl.send
         d.callback(service)
         # Expect the queued events to be sent
         self.txn_ctrl.send.assert_called_with(
-            service, [], event_list_2 + event_list_3, []
+            service, [], event_list_2 + event_list_3, [], None, None
         )
         self.assertEquals(2, self.txn_ctrl.send.call_count)
 
@@ -343,7 +364,9 @@ class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
         second_chunk = [Mock(name="event%i" % (i + 101)) for i in range(50)]
         event_list = first_chunk + second_chunk
         self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
-        self.txn_ctrl.send.assert_called_once_with(service, [], first_chunk, [])
+        self.txn_ctrl.send.assert_called_once_with(
+            service, [], first_chunk, [], None, None
+        )
         d.callback(service)
-        self.txn_ctrl.send.assert_called_with(service, [], second_chunk, [])
+        self.txn_ctrl.send.assert_called_with(service, [], second_chunk, [], None, None)
         self.assertEquals(2, self.txn_ctrl.send.call_count)
diff --git a/tests/handlers/test_appservice.py b/tests/handlers/test_appservice.py
index 9918ff6807..6e0ec37963 100644
--- a/tests/handlers/test_appservice.py
+++ b/tests/handlers/test_appservice.py
@@ -16,17 +16,25 @@ from typing import Dict, Iterable, List, Optional
 from unittest.mock import Mock
 
 from twisted.internet import defer
+from twisted.test.proto_helpers import MemoryReactor
 
 import synapse.rest.admin
 import synapse.storage
-from synapse.appservice import ApplicationService
+from synapse.appservice import (
+    ApplicationService,
+    TransactionOneTimeKeyCounts,
+    TransactionUnusedFallbackKeys,
+)
 from synapse.handlers.appservice import ApplicationServicesHandler
-from synapse.rest.client import login, receipts, room, sendtodevice
+from synapse.rest.client import login, receipts, register, room, sendtodevice
+from synapse.server import HomeServer
 from synapse.types import RoomStreamToken
+from synapse.util import Clock
 from synapse.util.stringutils import random_string
 
 from tests import unittest
 from tests.test_utils import make_awaitable, simple_async_mock
+from tests.unittest import override_config
 from tests.utils import MockClock
 
 
@@ -428,7 +436,14 @@ class ApplicationServicesHandlerSendEventsTestCase(unittest.HomeserverTestCase):
         #
         # The uninterested application service should not have been notified at all.
         self.send_mock.assert_called_once()
-        service, _events, _ephemeral, to_device_messages = self.send_mock.call_args[0]
+        (
+            service,
+            _events,
+            _ephemeral,
+            to_device_messages,
+            _otks,
+            _fbks,
+        ) = self.send_mock.call_args[0]
 
         # Assert that this was the same to-device message that local_user sent
         self.assertEqual(service, interested_appservice)
@@ -540,7 +555,7 @@ class ApplicationServicesHandlerSendEventsTestCase(unittest.HomeserverTestCase):
         service_id_to_message_count: Dict[str, int] = {}
 
         for call in self.send_mock.call_args_list:
-            service, _events, _ephemeral, to_device_messages = call[0]
+            service, _events, _ephemeral, to_device_messages, _otks, _fbks = call[0]
 
             # Check that this was made to an interested service
             self.assertIn(service, interested_appservices)
@@ -582,3 +597,174 @@ class ApplicationServicesHandlerSendEventsTestCase(unittest.HomeserverTestCase):
         self._services.append(appservice)
 
         return appservice
+
+
+class ApplicationServicesHandlerOtkCountsTestCase(unittest.HomeserverTestCase):
+    # Argument indices for pulling out arguments from a `send_mock`.
+    ARG_OTK_COUNTS = 4
+    ARG_FALLBACK_KEYS = 5
+
+    servlets = [
+        synapse.rest.admin.register_servlets_for_client_rest_resource,
+        login.register_servlets,
+        register.register_servlets,
+        room.register_servlets,
+        sendtodevice.register_servlets,
+        receipts.register_servlets,
+    ]
+
+    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
+        # Mock the ApplicationServiceScheduler's _TransactionController's send method so that
+        # we can track what's going out
+        self.send_mock = simple_async_mock()
+        hs.get_application_service_handler().scheduler.txn_ctrl.send = self.send_mock  # type: ignore[assignment]  # We assign to a method.
+
+        # Define an application service for the tests
+        self._service_token = "VERYSECRET"
+        self._service = ApplicationService(
+            self._service_token,
+            "as1.invalid",
+            "as1",
+            "@as.sender:test",
+            namespaces={
+                "users": [
+                    {"regex": "@_as_.*:test", "exclusive": True},
+                    {"regex": "@as.sender:test", "exclusive": True},
+                ]
+            },
+            msc3202_transaction_extensions=True,
+        )
+        self.hs.get_datastores().main.services_cache = [self._service]
+
+        # Register some appservice users
+        self._sender_user, self._sender_device = self.register_appservice_user(
+            "as.sender", self._service_token
+        )
+        self._namespaced_user, self._namespaced_device = self.register_appservice_user(
+            "_as_user1", self._service_token
+        )
+
+        # Register a real user as well.
+        self._real_user = self.register_user("real.user", "meow")
+        self._real_user_token = self.login("real.user", "meow")
+
+    async def _add_otks_for_device(
+        self, user_id: str, device_id: str, otk_count: int
+    ) -> None:
+        """
+        Add some dummy keys. It doesn't matter if they're not a real algorithm;
+        that should be opaque to the server anyway.
+        """
+        await self.hs.get_datastores().main.add_e2e_one_time_keys(
+            user_id,
+            device_id,
+            self.clock.time_msec(),
+            [("algo", f"k{i}", "{}") for i in range(otk_count)],
+        )
+
+    async def _add_fallback_key_for_device(
+        self, user_id: str, device_id: str, used: bool
+    ) -> None:
+        """
+        Adds a fake fallback key to a device, optionally marking it as used
+        right away.
+        """
+        store = self.hs.get_datastores().main
+        await store.set_e2e_fallback_keys(user_id, device_id, {"algo:fk": "fall back!"})
+        if used is True:
+            # Mark the key as used
+            await store.db_pool.simple_update_one(
+                table="e2e_fallback_keys_json",
+                keyvalues={
+                    "user_id": user_id,
+                    "device_id": device_id,
+                    "algorithm": "algo",
+                    "key_id": "fk",
+                },
+                updatevalues={"used": True},
+                desc="_get_fallback_key_set_used",
+            )
+
+    def _set_up_devices_and_a_room(self) -> str:
+        """
+        Helper to set up devices for all the users
+        and a room for the users to talk in.
+        """
+
+        async def preparation():
+            await self._add_otks_for_device(self._sender_user, self._sender_device, 42)
+            await self._add_fallback_key_for_device(
+                self._sender_user, self._sender_device, used=True
+            )
+            await self._add_otks_for_device(
+                self._namespaced_user, self._namespaced_device, 36
+            )
+            await self._add_fallback_key_for_device(
+                self._namespaced_user, self._namespaced_device, used=False
+            )
+
+            # Register a device for the real user, too, so that we can later ensure
+            # that we don't leak information to the AS about the non-AS user.
+            await self.hs.get_datastores().main.store_device(
+                self._real_user, "REALDEV", "UltraMatrix 3000"
+            )
+            await self._add_otks_for_device(self._real_user, "REALDEV", 50)
+
+        self.get_success(preparation())
+
+        room_id = self.helper.create_room_as(
+            self._real_user, is_public=True, tok=self._real_user_token
+        )
+        self.helper.join(
+            room_id,
+            self._namespaced_user,
+            tok=self._service_token,
+            appservice_user_id=self._namespaced_user,
+        )
+
+        # Check it was called for sanity. (This was to send the join event to the AS.)
+        self.send_mock.assert_called()
+        self.send_mock.reset_mock()
+
+        return room_id
+
+    @override_config(
+        {"experimental_features": {"msc3202_transaction_extensions": True}}
+    )
+    def test_application_services_receive_otk_counts_and_fallback_key_usages_with_pdus(
+        self,
+    ) -> None:
+        """
+        Tests that:
+        - the AS receives one-time key counts and unused fallback keys for:
+            - the specified sender; and
+            - any user who is in receipt of the PDUs
+        """
+
+        room_id = self._set_up_devices_and_a_room()
+
+        # Send a message into the AS's room
+        self.helper.send(room_id, "woof woof", tok=self._real_user_token)
+
+        # Capture what was sent as an AS transaction.
+        self.send_mock.assert_called()
+        last_args, _last_kwargs = self.send_mock.call_args
+        otks: Optional[TransactionOneTimeKeyCounts] = last_args[self.ARG_OTK_COUNTS]
+        unused_fallbacks: Optional[TransactionUnusedFallbackKeys] = last_args[
+            self.ARG_FALLBACK_KEYS
+        ]
+
+        self.assertEqual(
+            otks,
+            {
+                "@as.sender:test": {self._sender_device: {"algo": 42}},
+                "@_as_user1:test": {self._namespaced_device: {"algo": 36}},
+            },
+        )
+        self.assertEqual(
+            unused_fallbacks,
+            {
+                "@as.sender:test": {self._sender_device: []},
+                "@_as_user1:test": {self._namespaced_device: ["algo"]},
+            },
+        )
diff --git a/tests/storage/test_appservice.py b/tests/storage/test_appservice.py
index 50703ccaee..d2f654214e 100644
--- a/tests/storage/test_appservice.py
+++ b/tests/storage/test_appservice.py
@@ -267,7 +267,7 @@ class ApplicationServiceTransactionStoreTestCase(unittest.HomeserverTestCase):
         events = cast(List[EventBase], [Mock(event_id="e1"), Mock(event_id="e2")])
         txn = self.get_success(
             defer.ensureDeferred(
-                self.store.create_appservice_txn(service, events, [], [])
+                self.store.create_appservice_txn(service, events, [], [], {}, {})
             )
         )
         self.assertEquals(txn.id, 1)
@@ -283,7 +283,7 @@ class ApplicationServiceTransactionStoreTestCase(unittest.HomeserverTestCase):
         self.get_success(self._insert_txn(service.id, 9644, events))
         self.get_success(self._insert_txn(service.id, 9645, events))
         txn = self.get_success(
-            self.store.create_appservice_txn(service, events, [], [])
+            self.store.create_appservice_txn(service, events, [], [], {}, {})
         )
         self.assertEquals(txn.id, 9646)
         self.assertEquals(txn.events, events)
@@ -296,7 +296,7 @@ class ApplicationServiceTransactionStoreTestCase(unittest.HomeserverTestCase):
         events = cast(List[EventBase], [Mock(event_id="e1"), Mock(event_id="e2")])
         self.get_success(self._set_last_txn(service.id, 9643))
         txn = self.get_success(
-            self.store.create_appservice_txn(service, events, [], [])
+            self.store.create_appservice_txn(service, events, [], [], {}, {})
         )
         self.assertEquals(txn.id, 9644)
         self.assertEquals(txn.events, events)
@@ -320,7 +320,7 @@ class ApplicationServiceTransactionStoreTestCase(unittest.HomeserverTestCase):
         self.get_success(self._insert_txn(self.as_list[3]["id"], 9643, events))
 
         txn = self.get_success(
-            self.store.create_appservice_txn(service, events, [], [])
+            self.store.create_appservice_txn(service, events, [], [], {}, {})
         )
         self.assertEquals(txn.id, 9644)
         self.assertEquals(txn.events, events)