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Invalidate the cache when an olm fallback key is uploaded (#8501)
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changelog.d/8501.feature
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1
changelog.d/8501.feature
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@ -0,0 +1 @@
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Add support for olm fallback keys ([MSC2732](https://github.com/matrix-org/matrix-doc/pull/2732)).
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@ -398,6 +398,10 @@ class EndToEndKeyWorkerStore(SQLBaseStore):
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desc="set_e2e_fallback_key",
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)
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await self.invalidate_cache_and_stream(
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"get_e2e_unused_fallback_key_types", (user_id, device_id)
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)
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@cached(max_entries=10000)
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async def get_e2e_unused_fallback_key_types(
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self, user_id: str, device_id: str
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@ -33,6 +33,7 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
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super().__init__(*args, **kwargs)
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self.hs = None # type: synapse.server.HomeServer
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self.handler = None # type: synapse.handlers.e2e_keys.E2eKeysHandler
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self.store = None # type: synapse.storage.Storage
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@defer.inlineCallbacks
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def setUp(self):
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@ -40,6 +41,7 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
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self.addCleanup, handlers=None, federation_client=mock.Mock()
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)
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self.handler = synapse.handlers.e2e_keys.E2eKeysHandler(self.hs)
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self.store = self.hs.get_datastore()
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@defer.inlineCallbacks
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def test_query_local_devices_no_devices(self):
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@ -178,6 +180,12 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
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fallback_key = {"alg1:k1": "key1"}
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otk = {"alg1:k2": "key2"}
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# we shouldn't have any unused fallback keys yet
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res = yield defer.ensureDeferred(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(res, [])
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yield defer.ensureDeferred(
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self.handler.upload_keys_for_user(
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local_user,
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@ -186,6 +194,12 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
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)
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)
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# we should now have an unused alg1 key
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res = yield defer.ensureDeferred(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(res, ["alg1"])
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# claiming an OTK when no OTKs are available should return the fallback
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# key
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res = yield defer.ensureDeferred(
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@ -198,6 +212,12 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
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{"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
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)
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# we shouldn't have any unused fallback keys again
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res = yield defer.ensureDeferred(
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self.store.get_e2e_unused_fallback_key_types(local_user, device_id)
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)
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self.assertEqual(res, [])
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# claiming an OTK again should return the same fallback key
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res = yield defer.ensureDeferred(
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self.handler.claim_one_time_keys(
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