summary refs log tree commit diff
path: root/tests/test_federation.py
blob: 12f4633cd56ac46a0cd60b5632db5b33d9266ef1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
from twisted.internet.defer import Deferred, succeed, maybeDeferred

from synapse.util import Clock
from synapse.events import FrozenEvent
from synapse.types import Requester, UserID
from synapse.replication.slave.storage.events import SlavedEventStore

from tests import unittest
from tests.server import make_request, setup_test_homeserver, ThreadedMemoryReactorClock

from mock import Mock

from synapse.api.errors import CodeMessageException, HttpResponseException


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(
            self.homeserver.datastore.get_latest_event_ids_in_room(self.room_id)
        )[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(
                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(
            self.homeserver.datastore.get_latest_event_ids_in_room(self.room_id)
        )[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 = self.homeserver.datastore.get_latest_event_ids_in_room(self.room_id)
        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):
            print(destination, path, args)
            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(
            self.homeserver.datastore.get_latest_event_ids_in_room(self.room_id)
        )[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 = 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())