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