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synapse/tests/storage/test_room_search.py

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# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import synapse.rest.admin
from synapse.api.constants import EventTypes
from synapse.api.errors import StoreError
from synapse.rest.client import login, room
from synapse.storage.engines import PostgresEngine
from tests.unittest import HomeserverTestCase, skip_unless
from tests.utils import USE_POSTGRES_FOR_TESTS
class EventSearchInsertionTest(HomeserverTestCase):
servlets = [
synapse.rest.admin.register_servlets_for_client_rest_resource,
login.register_servlets,
room.register_servlets,
]
def test_null_byte(self):
"""
Postgres/SQLite don't like null bytes going into the search tables. Internally
we replace those with a space.
Ensure this doesn't break anything.
"""
# Register a user and create a room, create some messages
self.register_user("alice", "password")
access_token = self.login("alice", "password")
room_id = self.helper.create_room_as("alice", tok=access_token)
# Send messages and ensure they don't cause an internal server
# error
for body in ["hi\u0000bob", "another message", "hi alice"]:
response = self.helper.send(room_id, body, tok=access_token)
self.assertIn("event_id", response)
# Check that search works for the message where the null byte was replaced
store = self.hs.get_datastores().main
result = self.get_success(
store.search_msgs([room_id], "hi bob", ["content.body"])
)
self.assertEqual(result.get("count"), 1)
if isinstance(store.database_engine, PostgresEngine):
self.assertIn("hi", result.get("highlights"))
self.assertIn("bob", result.get("highlights"))
# Check that search works for an unrelated message
result = self.get_success(
store.search_msgs([room_id], "another", ["content.body"])
)
self.assertEqual(result.get("count"), 1)
if isinstance(store.database_engine, PostgresEngine):
self.assertIn("another", result.get("highlights"))
# Check that search works for a search term that overlaps with the message
# containing a null byte and an unrelated message.
result = self.get_success(store.search_msgs([room_id], "hi", ["content.body"]))
self.assertEqual(result.get("count"), 2)
result = self.get_success(
store.search_msgs([room_id], "hi alice", ["content.body"])
)
if isinstance(store.database_engine, PostgresEngine):
self.assertIn("alice", result.get("highlights"))
def test_non_string(self):
"""Test that non-string `value`s are not inserted into `event_search`.
This is particularly important when using sqlite, since a sqlite column can hold
both strings and integers. When using Postgres, integers are automatically
converted to strings.
Regression test for #11918.
"""
store = self.hs.get_datastores().main
# Register a user and create a room
user_id = self.register_user("alice", "password")
access_token = self.login("alice", "password")
room_id = self.helper.create_room_as("alice", tok=access_token)
room_version = self.get_success(store.get_room_version(room_id))
# Construct a message with a numeric body to be received over federation
# The message can't be sent using the client API, since Synapse's event
# validation will reject it.
prev_event_ids = self.get_success(store.get_prev_events_for_room(room_id))
prev_event = self.get_success(store.get_event(prev_event_ids[0]))
prev_state_map = self.get_success(
self.hs.get_storage().state.get_state_ids_for_event(prev_event_ids[0])
)
event_dict = {
"type": EventTypes.Message,
"content": {"msgtype": "m.text", "body": 2},
"room_id": room_id,
"sender": user_id,
"depth": prev_event.depth + 1,
"prev_events": prev_event_ids,
"origin_server_ts": self.clock.time_msec(),
}
builder = self.hs.get_event_builder_factory().for_room_version(
room_version, event_dict
)
event = self.get_success(
builder.build(
prev_event_ids=prev_event_ids,
auth_event_ids=self.hs.get_event_auth_handler().compute_auth_events(
builder,
prev_state_map,
for_verification=False,
),
depth=event_dict["depth"],
)
)
# Receive the event
self.get_success(
self.hs.get_federation_event_handler().on_receive_pdu(
self.hs.hostname, event
)
)
# The event should not have an entry in the `event_search` table
f = self.get_failure(
store.db_pool.simple_select_one_onecol(
"event_search",
{"room_id": room_id, "event_id": event.event_id},
"event_id",
),
StoreError,
)
self.assertEqual(f.value.code, 404)
@skip_unless(not USE_POSTGRES_FOR_TESTS, "requires sqlite")
def test_sqlite_non_string_deletion_background_update(self):
"""Test the background update to delete bad rows from `event_search`."""
store = self.hs.get_datastores().main
# Populate `event_search` with dummy data
self.get_success(
store.db_pool.simple_insert_many(
"event_search",
keys=["event_id", "room_id", "key", "value"],
values=[
("event1", "room_id", "content.body", "hi"),
("event2", "room_id", "content.body", "2"),
("event3", "room_id", "content.body", 3),
],
desc="populate_event_search",
)
)
# Run the background update
store.db_pool.updates._all_done = False
self.get_success(
store.db_pool.simple_insert(
"background_updates",
{
"update_name": "event_search_sqlite_delete_non_strings",
"progress_json": "{}",
},
)
)
self.wait_for_background_updates()
# The non-string `value`s ought to be gone now.
values = self.get_success(
store.db_pool.simple_select_onecol(
"event_search",
{"room_id": "room_id"},
"value",
),
)
self.assertCountEqual(values, ["hi", "2"])