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75 lines
3 KiB
Python
75 lines
3 KiB
Python
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# Copyright 2021 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 synapse.rest.admin
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from synapse.rest.client import login, room
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from synapse.storage.engines import PostgresEngine
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from tests.unittest import HomeserverTestCase
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class NullByteInsertionTest(HomeserverTestCase):
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servlets = [
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synapse.rest.admin.register_servlets_for_client_rest_resource,
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login.register_servlets,
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room.register_servlets,
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]
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def test_null_byte(self):
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"""
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Postgres/SQLite don't like null bytes going into the search tables. Internally
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we replace those with a space.
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Ensure this doesn't break anything.
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"""
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# Register a user and create a room, create some messages
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self.register_user("alice", "password")
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access_token = self.login("alice", "password")
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room_id = self.helper.create_room_as("alice", tok=access_token)
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# Send messages and ensure they don't cause an internal server
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# error
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for body in ["hi\u0000bob", "another message", "hi alice"]:
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response = self.helper.send(room_id, body, tok=access_token)
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self.assertIn("event_id", response)
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# Check that search works for the message where the null byte was replaced
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store = self.hs.get_datastore()
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result = self.get_success(
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store.search_msgs([room_id], "hi bob", ["content.body"])
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)
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self.assertEquals(result.get("count"), 1)
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if isinstance(store.database_engine, PostgresEngine):
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self.assertIn("hi", result.get("highlights"))
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self.assertIn("bob", result.get("highlights"))
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# Check that search works for an unrelated message
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result = self.get_success(
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store.search_msgs([room_id], "another", ["content.body"])
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)
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self.assertEquals(result.get("count"), 1)
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if isinstance(store.database_engine, PostgresEngine):
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self.assertIn("another", result.get("highlights"))
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# Check that search works for a search term that overlaps with the message
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# containing a null byte and an unrelated message.
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result = self.get_success(store.search_msgs([room_id], "hi", ["content.body"]))
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self.assertEquals(result.get("count"), 2)
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result = self.get_success(
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store.search_msgs([room_id], "hi alice", ["content.body"])
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)
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if isinstance(store.database_engine, PostgresEngine):
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self.assertIn("alice", result.get("highlights"))
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