330 lines
11 KiB
Python
330 lines
11 KiB
Python
# Copyright 2019 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the 'License');
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an 'AS IS' BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import threading
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from typing import Dict
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from unittest.mock import Mock
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from synapse.events import EventBase
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from synapse.events.third_party_rules import load_legacy_third_party_event_rules
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from synapse.module_api import ModuleApi
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from synapse.rest import admin
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from synapse.rest.client.v1 import login, room
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from synapse.types import Requester, StateMap
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from synapse.util.frozenutils import unfreeze
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from tests import unittest
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thread_local = threading.local()
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class LegacyThirdPartyRulesTestModule:
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def __init__(self, config: Dict, module_api: ModuleApi):
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# keep a record of the "current" rules module, so that the test can patch
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# it if desired.
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thread_local.rules_module = self
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self.module_api = module_api
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async def on_create_room(
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self, requester: Requester, config: dict, is_requester_admin: bool
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):
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return True
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async def check_event_allowed(self, event: EventBase, state: StateMap[EventBase]):
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return True
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@staticmethod
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def parse_config(config):
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return config
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class LegacyDenyNewRooms(LegacyThirdPartyRulesTestModule):
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def __init__(self, config: Dict, module_api: ModuleApi):
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super().__init__(config, module_api)
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def on_create_room(
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self, requester: Requester, config: dict, is_requester_admin: bool
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):
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return False
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class LegacyChangeEvents(LegacyThirdPartyRulesTestModule):
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def __init__(self, config: Dict, module_api: ModuleApi):
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super().__init__(config, module_api)
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async def check_event_allowed(self, event: EventBase, state: StateMap[EventBase]):
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d = event.get_dict()
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content = unfreeze(event.content)
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content["foo"] = "bar"
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d["content"] = content
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return d
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class ThirdPartyRulesTestCase(unittest.HomeserverTestCase):
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servlets = [
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admin.register_servlets,
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login.register_servlets,
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room.register_servlets,
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]
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def make_homeserver(self, reactor, clock):
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hs = self.setup_test_homeserver()
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load_legacy_third_party_event_rules(hs)
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return hs
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def prepare(self, reactor, clock, homeserver):
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# Create a user and room to play with during the tests
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self.user_id = self.register_user("kermit", "monkey")
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self.tok = self.login("kermit", "monkey")
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# Some tests might prevent room creation on purpose.
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try:
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self.room_id = self.helper.create_room_as(self.user_id, tok=self.tok)
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except Exception:
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pass
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def test_third_party_rules(self):
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"""Tests that a forbidden event is forbidden from being sent, but an allowed one
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can be sent.
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"""
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# patch the rules module with a Mock which will return False for some event
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# types
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async def check(ev, state):
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return ev.type != "foo.bar.forbidden", None
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callback = Mock(spec=[], side_effect=check)
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self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [
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callback
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]
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channel = self.make_request(
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"PUT",
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"/_matrix/client/r0/rooms/%s/send/foo.bar.allowed/1" % self.room_id,
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{},
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access_token=self.tok,
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)
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self.assertEquals(channel.result["code"], b"200", channel.result)
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callback.assert_called_once()
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# there should be various state events in the state arg: do some basic checks
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state_arg = callback.call_args[0][1]
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for k in (("m.room.create", ""), ("m.room.member", self.user_id)):
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self.assertIn(k, state_arg)
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ev = state_arg[k]
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self.assertEqual(ev.type, k[0])
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self.assertEqual(ev.state_key, k[1])
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channel = self.make_request(
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"PUT",
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"/_matrix/client/r0/rooms/%s/send/foo.bar.forbidden/2" % self.room_id,
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{},
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access_token=self.tok,
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)
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self.assertEquals(channel.result["code"], b"403", channel.result)
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def test_cannot_modify_event(self):
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"""cannot accidentally modify an event before it is persisted"""
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# first patch the event checker so that it will try to modify the event
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async def check(ev: EventBase, state):
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ev.content = {"x": "y"}
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return True, None
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self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check]
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# now send the event
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channel = self.make_request(
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"PUT",
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"/_matrix/client/r0/rooms/%s/send/modifyme/1" % self.room_id,
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{"x": "x"},
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access_token=self.tok,
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)
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# check_event_allowed has some error handling, so it shouldn't 500 just because a
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# module did something bad.
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self.assertEqual(channel.code, 200, channel.result)
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event_id = channel.json_body["event_id"]
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channel = self.make_request(
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"GET",
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"/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, event_id),
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access_token=self.tok,
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)
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self.assertEqual(channel.code, 200, channel.result)
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ev = channel.json_body
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self.assertEqual(ev["content"]["x"], "x")
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def test_modify_event(self):
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"""The module can return a modified version of the event"""
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# first patch the event checker so that it will modify the event
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async def check(ev: EventBase, state):
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d = ev.get_dict()
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d["content"] = {"x": "y"}
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return True, d
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self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check]
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# now send the event
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channel = self.make_request(
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"PUT",
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"/_matrix/client/r0/rooms/%s/send/modifyme/1" % self.room_id,
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{"x": "x"},
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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event_id = channel.json_body["event_id"]
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# ... and check that it got modified
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channel = self.make_request(
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"GET",
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"/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, event_id),
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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ev = channel.json_body
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self.assertEqual(ev["content"]["x"], "y")
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def test_message_edit(self):
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"""Ensure that the module doesn't cause issues with edited messages."""
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# first patch the event checker so that it will modify the event
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async def check(ev: EventBase, state):
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d = ev.get_dict()
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d["content"] = {
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"msgtype": "m.text",
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"body": d["content"]["body"].upper(),
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}
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return True, d
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self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check]
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# Send an event, then edit it.
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channel = self.make_request(
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"PUT",
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"/_matrix/client/r0/rooms/%s/send/modifyme/1" % self.room_id,
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{
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"msgtype": "m.text",
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"body": "Original body",
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},
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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orig_event_id = channel.json_body["event_id"]
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channel = self.make_request(
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"PUT",
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"/_matrix/client/r0/rooms/%s/send/m.room.message/2" % self.room_id,
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{
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"m.new_content": {"msgtype": "m.text", "body": "Edited body"},
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"m.relates_to": {
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"rel_type": "m.replace",
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"event_id": orig_event_id,
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},
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"msgtype": "m.text",
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"body": "Edited body",
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},
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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edited_event_id = channel.json_body["event_id"]
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# ... and check that they both got modified
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channel = self.make_request(
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"GET",
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"/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, orig_event_id),
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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ev = channel.json_body
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self.assertEqual(ev["content"]["body"], "ORIGINAL BODY")
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channel = self.make_request(
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"GET",
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"/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, edited_event_id),
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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ev = channel.json_body
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self.assertEqual(ev["content"]["body"], "EDITED BODY")
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def test_send_event(self):
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"""Tests that a module can send an event into a room via the module api"""
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content = {
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"msgtype": "m.text",
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"body": "Hello!",
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}
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event_dict = {
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"room_id": self.room_id,
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"type": "m.room.message",
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"content": content,
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"sender": self.user_id,
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}
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event: EventBase = self.get_success(
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self.hs.get_module_api().create_and_send_event_into_room(event_dict)
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)
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self.assertEquals(event.sender, self.user_id)
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self.assertEquals(event.room_id, self.room_id)
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self.assertEquals(event.type, "m.room.message")
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self.assertEquals(event.content, content)
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@unittest.override_config(
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{
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"third_party_event_rules": {
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"module": __name__ + ".LegacyChangeEvents",
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"config": {},
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}
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}
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)
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def test_legacy_check_event_allowed(self):
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"""Tests that the wrapper for legacy check_event_allowed callbacks works
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correctly.
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"""
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channel = self.make_request(
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"PUT",
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"/_matrix/client/r0/rooms/%s/send/m.room.message/1" % self.room_id,
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{
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"msgtype": "m.text",
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"body": "Original body",
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},
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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event_id = channel.json_body["event_id"]
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channel = self.make_request(
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"GET",
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"/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, event_id),
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access_token=self.tok,
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)
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self.assertEqual(channel.result["code"], b"200", channel.result)
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self.assertIn("foo", channel.json_body["content"].keys())
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self.assertEqual(channel.json_body["content"]["foo"], "bar")
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@unittest.override_config(
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{
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"third_party_event_rules": {
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"module": __name__ + ".LegacyDenyNewRooms",
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"config": {},
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}
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}
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)
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def test_legacy_on_create_room(self):
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"""Tests that the wrapper for legacy on_create_room callbacks works
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correctly.
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"""
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self.helper.create_room_as(self.user_id, tok=self.tok, expect_code=403)
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