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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2018-07-27 09:17:11 +0100
committerGitHub <noreply@github.com>2018-07-27 09:17:11 +0100
commit7041cd872b8f1105d58f8e8ac79ffd32c76a1994 (patch)
tree4736db867cfd029d8e7627edb971eccc926371bc /tests/test_visibility.py
parentMerge remote-tracking branch 'upstream/develop' into send_sni_for_federation_... (diff)
parentMerge pull request #3616 from matrix-org/travis/event_id_send_leave (diff)
downloadsynapse-7041cd872b8f1105d58f8e8ac79ffd32c76a1994.tar.xz
Merge branch 'develop' into send_sni_for_federation_requests
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diff --git a/tests/test_visibility.py b/tests/test_visibility.py
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+# -*- coding: utf-8 -*-
+# Copyright 2018 New Vector Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import logging
+
+from twisted.internet import defer
+from twisted.internet.defer import succeed
+
+from synapse.events import FrozenEvent
+from synapse.visibility import filter_events_for_server
+
+import tests.unittest
+from tests.utils import setup_test_homeserver
+
+logger = logging.getLogger(__name__)
+
+TEST_ROOM_ID = "!TEST:ROOM"
+
+
+class FilterEventsForServerTestCase(tests.unittest.TestCase):
+    @defer.inlineCallbacks
+    def setUp(self):
+        self.hs = yield setup_test_homeserver()
+        self.event_creation_handler = self.hs.get_event_creation_handler()
+        self.event_builder_factory = self.hs.get_event_builder_factory()
+        self.store = self.hs.get_datastore()
+
+    @defer.inlineCallbacks
+    def test_filtering(self):
+        #
+        # The events to be filtered consist of 10 membership events (it doesn't
+        # really matter if they are joins or leaves, so let's make them joins).
+        # One of those membership events is going to be for a user on the
+        # server we are filtering for (so we can check the filtering is doing
+        # the right thing).
+        #
+
+        # before we do that, we persist some other events to act as state.
+        self.inject_visibility("@admin:hs", "joined")
+        for i in range(0, 10):
+            yield self.inject_room_member("@resident%i:hs" % i)
+
+        events_to_filter = []
+
+        for i in range(0, 10):
+            user = "@user%i:%s" % (
+                i, "test_server" if i == 5 else "other_server"
+            )
+            evt = yield self.inject_room_member(user, extra_content={"a": "b"})
+            events_to_filter.append(evt)
+
+        filtered = yield filter_events_for_server(
+            self.store, "test_server", events_to_filter,
+        )
+
+        # the result should be 5 redacted events, and 5 unredacted events.
+        for i in range(0, 5):
+            self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
+            self.assertNotIn("a", filtered[i].content)
+
+        for i in range(5, 10):
+            self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
+            self.assertEqual(filtered[i].content["a"], "b")
+
+    @tests.unittest.DEBUG
+    @defer.inlineCallbacks
+    def test_erased_user(self):
+        # 4 message events, from erased and unerased users, with a membership
+        # change in the middle of them.
+        events_to_filter = []
+
+        evt = yield self.inject_message("@unerased:local_hs")
+        events_to_filter.append(evt)
+
+        evt = yield self.inject_message("@erased:local_hs")
+        events_to_filter.append(evt)
+
+        evt = yield self.inject_room_member("@joiner:remote_hs")
+        events_to_filter.append(evt)
+
+        evt = yield self.inject_message("@unerased:local_hs")
+        events_to_filter.append(evt)
+
+        evt = yield self.inject_message("@erased:local_hs")
+        events_to_filter.append(evt)
+
+        # the erasey user gets erased
+        self.hs.get_datastore().mark_user_erased("@erased:local_hs")
+
+        # ... and the filtering happens.
+        filtered = yield filter_events_for_server(
+            self.store, "test_server", events_to_filter,
+        )
+
+        for i in range(0, len(events_to_filter)):
+            self.assertEqual(
+                events_to_filter[i].event_id, filtered[i].event_id,
+                "Unexpected event at result position %i" % (i, )
+            )
+
+        for i in (0, 3):
+            self.assertEqual(
+                events_to_filter[i].content["body"], filtered[i].content["body"],
+                "Unexpected event content at result position %i" % (i,)
+            )
+
+        for i in (1, 4):
+            self.assertNotIn("body", filtered[i].content)
+
+    @defer.inlineCallbacks
+    def inject_visibility(self, user_id, visibility):
+        content = {"history_visibility": visibility}
+        builder = self.event_builder_factory.new({
+            "type": "m.room.history_visibility",
+            "sender": user_id,
+            "state_key": "",
+            "room_id": TEST_ROOM_ID,
+            "content": content,
+        })
+
+        event, context = yield self.event_creation_handler.create_new_client_event(
+            builder
+        )
+        yield self.hs.get_datastore().persist_event(event, context)
+        defer.returnValue(event)
+
+    @defer.inlineCallbacks
+    def inject_room_member(self, user_id, membership="join", extra_content={}):
+        content = {"membership": membership}
+        content.update(extra_content)
+        builder = self.event_builder_factory.new({
+            "type": "m.room.member",
+            "sender": user_id,
+            "state_key": user_id,
+            "room_id": TEST_ROOM_ID,
+            "content": content,
+        })
+
+        event, context = yield self.event_creation_handler.create_new_client_event(
+            builder
+        )
+
+        yield self.hs.get_datastore().persist_event(event, context)
+        defer.returnValue(event)
+
+    @defer.inlineCallbacks
+    def inject_message(self, user_id, content=None):
+        if content is None:
+            content = {"body": "testytest"}
+        builder = self.event_builder_factory.new({
+            "type": "m.room.message",
+            "sender": user_id,
+            "room_id": TEST_ROOM_ID,
+            "content": content,
+        })
+
+        event, context = yield self.event_creation_handler.create_new_client_event(
+            builder
+        )
+
+        yield self.hs.get_datastore().persist_event(event, context)
+        defer.returnValue(event)
+
+    @defer.inlineCallbacks
+    def test_large_room(self):
+        # see what happens when we have a large room with hundreds of thousands
+        # of membership events
+
+        # As above, the events to be filtered consist of 10 membership events,
+        # where one of them is for a user on the server we are filtering for.
+
+        import cProfile
+        import pstats
+        import time
+
+        # we stub out the store, because building up all that state the normal
+        # way is very slow.
+        test_store = _TestStore()
+
+        # our initial state is 100000 membership events and one
+        # history_visibility event.
+        room_state = []
+
+        history_visibility_evt = FrozenEvent({
+            "event_id": "$history_vis",
+            "type": "m.room.history_visibility",
+            "sender": "@resident_user_0:test.com",
+            "state_key": "",
+            "room_id": TEST_ROOM_ID,
+            "content": {"history_visibility": "joined"},
+        })
+        room_state.append(history_visibility_evt)
+        test_store.add_event(history_visibility_evt)
+
+        for i in range(0, 100000):
+            user = "@resident_user_%i:test.com" % (i, )
+            evt = FrozenEvent({
+                "event_id": "$res_event_%i" % (i, ),
+                "type": "m.room.member",
+                "state_key": user,
+                "sender": user,
+                "room_id": TEST_ROOM_ID,
+                "content": {
+                    "membership": "join",
+                    "extra": "zzz,"
+                },
+            })
+            room_state.append(evt)
+            test_store.add_event(evt)
+
+        events_to_filter = []
+        for i in range(0, 10):
+            user = "@user%i:%s" % (
+                i, "test_server" if i == 5 else "other_server"
+            )
+            evt = FrozenEvent({
+                "event_id": "$evt%i" % (i, ),
+                "type": "m.room.member",
+                "state_key": user,
+                "sender": user,
+                "room_id": TEST_ROOM_ID,
+                "content": {
+                    "membership": "join",
+                    "extra": "zzz",
+                },
+            })
+            events_to_filter.append(evt)
+            room_state.append(evt)
+
+            test_store.add_event(evt)
+            test_store.set_state_ids_for_event(evt, {
+                (e.type, e.state_key): e.event_id for e in room_state
+            })
+
+        pr = cProfile.Profile()
+        pr.enable()
+
+        logger.info("Starting filtering")
+        start = time.time()
+        filtered = yield filter_events_for_server(
+            test_store, "test_server", events_to_filter,
+        )
+        logger.info("Filtering took %f seconds", time.time() - start)
+
+        pr.disable()
+        with open("filter_events_for_server.profile", "w+") as f:
+            ps = pstats.Stats(pr, stream=f).sort_stats('cumulative')
+            ps.print_stats()
+
+        # the result should be 5 redacted events, and 5 unredacted events.
+        for i in range(0, 5):
+            self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
+            self.assertNotIn("extra", filtered[i].content)
+
+        for i in range(5, 10):
+            self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
+            self.assertEqual(filtered[i].content["extra"], "zzz")
+
+    test_large_room.skip = "Disabled by default because it's slow"
+
+
+class _TestStore(object):
+    """Implements a few methods of the DataStore, so that we can test
+    filter_events_for_server
+
+    """
+    def __init__(self):
+        # data for get_events: a map from event_id to event
+        self.events = {}
+
+        # data for get_state_ids_for_events mock: a map from event_id to
+        # a map from (type_state_key) -> event_id for the state at that
+        # event
+        self.state_ids_for_events = {}
+
+    def add_event(self, event):
+        self.events[event.event_id] = event
+
+    def set_state_ids_for_event(self, event, state):
+        self.state_ids_for_events[event.event_id] = state
+
+    def get_state_ids_for_events(self, events, types):
+        res = {}
+        include_memberships = False
+        for (type, state_key) in types:
+            if type == "m.room.history_visibility":
+                continue
+            if type != "m.room.member" or state_key is not None:
+                raise RuntimeError(
+                    "Unimplemented: get_state_ids with type (%s, %s)" %
+                    (type, state_key),
+                )
+            include_memberships = True
+
+        if include_memberships:
+            for event_id in events:
+                res[event_id] = self.state_ids_for_events[event_id]
+
+        else:
+            k = ("m.room.history_visibility", "")
+            for event_id in events:
+                hve = self.state_ids_for_events[event_id][k]
+                res[event_id] = {k: hve}
+
+        return succeed(res)
+
+    def get_events(self, events):
+        return succeed({
+            event_id: self.events[event_id] for event_id in events
+        })
+
+    def are_users_erased(self, users):
+        return succeed({u: False for u in users})