250 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			250 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			Python
		
	
	
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from mock import Mock
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from twisted.internet.defer import maybeDeferred, succeed
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from synapse.events import FrozenEvent
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from synapse.types import Requester, UserID
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from synapse.util import Clock
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from synapse.util.logcontext import LoggingContext
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from tests import unittest
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from tests.server import ThreadedMemoryReactorClock, setup_test_homeserver
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class MessageAcceptTests(unittest.TestCase):
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    def setUp(self):
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        self.http_client = Mock()
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        self.reactor = ThreadedMemoryReactorClock()
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        self.hs_clock = Clock(self.reactor)
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        self.homeserver = setup_test_homeserver(
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            self.addCleanup,
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            http_client=self.http_client,
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            clock=self.hs_clock,
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            reactor=self.reactor,
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        )
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        user_id = UserID("us", "test")
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        our_user = Requester(user_id, None, False, None, None)
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        room_creator = self.homeserver.get_room_creation_handler()
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        room = room_creator.create_room(
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            our_user, room_creator.PRESETS_DICT["public_chat"], ratelimit=False
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        )
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        self.reactor.advance(0.1)
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        self.room_id = self.successResultOf(room)["room_id"]
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        # Figure out what the most recent event is
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        most_recent = self.successResultOf(
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            maybeDeferred(
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                self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id
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            )
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        )[0]
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        join_event = FrozenEvent(
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            {
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                "room_id": self.room_id,
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                "sender": "@baduser:test.serv",
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                "state_key": "@baduser:test.serv",
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                "event_id": "$join:test.serv",
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                "depth": 1000,
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                "origin_server_ts": 1,
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                "type": "m.room.member",
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                "origin": "test.servx",
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                "content": {"membership": "join"},
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                "auth_events": [],
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                "prev_state": [(most_recent, {})],
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                "prev_events": [(most_recent, {})],
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            }
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        )
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        self.handler = self.homeserver.get_handlers().federation_handler
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        self.handler.do_auth = lambda *a, **b: succeed(True)
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        self.client = self.homeserver.get_federation_client()
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        self.client._check_sigs_and_hash_and_fetch = lambda dest, pdus, **k: succeed(
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            pdus
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        )
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        # Send the join, it should return None (which is not an error)
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        d = self.handler.on_receive_pdu(
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            "test.serv", join_event, sent_to_us_directly=True
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        )
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        self.reactor.advance(1)
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        self.assertEqual(self.successResultOf(d), None)
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        # Make sure we actually joined the room
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        self.assertEqual(
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            self.successResultOf(
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                maybeDeferred(
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                    self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id
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                )
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            )[0],
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            "$join:test.serv",
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        )
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    def test_cant_hide_direct_ancestors(self):
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        """
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        If you send a message, you must be able to provide the direct
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        prev_events that said event references.
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        """
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        def post_json(destination, path, data, headers=None, timeout=0):
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            # If it asks us for new missing events, give them NOTHING
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            if path.startswith("/_matrix/federation/v1/get_missing_events/"):
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                return {"events": []}
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        self.http_client.post_json = post_json
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        # Figure out what the most recent event is
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        most_recent = self.successResultOf(
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            maybeDeferred(
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                self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id
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            )
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        )[0]
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        # Now lie about an event
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        lying_event = FrozenEvent(
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            {
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                "room_id": self.room_id,
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                "sender": "@baduser:test.serv",
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                "event_id": "one:test.serv",
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                "depth": 1000,
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                "origin_server_ts": 1,
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                "type": "m.room.message",
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                "origin": "test.serv",
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                "content": "hewwo?",
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                "auth_events": [],
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                "prev_events": [("two:test.serv", {}), (most_recent, {})],
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            }
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        )
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        with LoggingContext(request="lying_event"):
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            d = self.handler.on_receive_pdu(
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                "test.serv", lying_event, sent_to_us_directly=True
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            )
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        # Step the reactor, so the database fetches come back
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        self.reactor.advance(1)
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        # on_receive_pdu should throw an error
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        failure = self.failureResultOf(d)
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        self.assertEqual(
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            failure.value.args[0],
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            (
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                "ERROR 403: Your server isn't divulging details about prev_events "
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                "referenced in this event."
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            ),
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        )
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        # Make sure the invalid event isn't there
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        extrem = maybeDeferred(
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            self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id
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        )
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        self.assertEqual(self.successResultOf(extrem)[0], "$join:test.serv")
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    def test_cant_hide_past_history(self):
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        """
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        If you send a message, you must be able to provide the direct
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        prev_events that said event references.
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        """
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        def post_json(destination, path, data, headers=None, timeout=0):
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            if path.startswith("/_matrix/federation/v1/get_missing_events/"):
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                return {
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                    "events": [
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                        {
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                            "room_id": self.room_id,
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                            "sender": "@baduser:test.serv",
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                            "event_id": "three:test.serv",
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                            "depth": 1000,
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                            "origin_server_ts": 1,
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                            "type": "m.room.message",
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                            "origin": "test.serv",
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                            "content": "hewwo?",
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                            "auth_events": [],
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                            "prev_events": [("four:test.serv", {})],
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                        }
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                    ]
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                }
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        self.http_client.post_json = post_json
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        def get_json(destination, path, args, headers=None):
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            if path.startswith("/_matrix/federation/v1/state_ids/"):
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                d = self.successResultOf(
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                    self.homeserver.datastore.get_state_ids_for_event("one:test.serv")
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                )
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                return succeed(
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                    {
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                        "pdu_ids": [
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                            y
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                            for x, y in d.items()
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                            if x == ("m.room.member", "@us:test")
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                        ],
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                        "auth_chain_ids": list(d.values()),
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                    }
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                )
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        self.http_client.get_json = get_json
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        # Figure out what the most recent event is
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        most_recent = self.successResultOf(
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            maybeDeferred(
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                self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id
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            )
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        )[0]
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        # Make a good event
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        good_event = FrozenEvent(
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            {
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                "room_id": self.room_id,
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                "sender": "@baduser:test.serv",
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                "event_id": "one:test.serv",
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                "depth": 1000,
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                "origin_server_ts": 1,
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                "type": "m.room.message",
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                "origin": "test.serv",
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                "content": "hewwo?",
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                "auth_events": [],
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                "prev_events": [(most_recent, {})],
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            }
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        )
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        with LoggingContext(request="good_event"):
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            d = self.handler.on_receive_pdu(
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                "test.serv", good_event, sent_to_us_directly=True
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            )
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            self.reactor.advance(1)
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            self.assertEqual(self.successResultOf(d), None)
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        bad_event = FrozenEvent(
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            {
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                "room_id": self.room_id,
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                "sender": "@baduser:test.serv",
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                "event_id": "two:test.serv",
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                "depth": 1000,
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                "origin_server_ts": 1,
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                "type": "m.room.message",
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                "origin": "test.serv",
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                "content": "hewwo?",
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                "auth_events": [],
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                "prev_events": [("one:test.serv", {}), ("three:test.serv", {})],
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            }
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        )
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        with LoggingContext(request="bad_event"):
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            d = self.handler.on_receive_pdu(
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                "test.serv", bad_event, sent_to_us_directly=True
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            )
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            self.reactor.advance(1)
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        extrem = maybeDeferred(
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            self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id
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        )
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        self.assertEqual(self.successResultOf(extrem)[0], "two:test.serv")
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        state = self.homeserver.get_state_handler().get_current_state_ids(self.room_id)
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        self.reactor.advance(1)
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        self.assertIn(("m.room.member", "@us:test"), self.successResultOf(state).keys())
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