diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/events/spamcheck.py | 14 | ||||
| -rw-r--r-- | synapse/spam_checker_api/__init__.py | 51 |
2 files changed, 64 insertions, 1 deletions
diff --git a/synapse/events/spamcheck.py b/synapse/events/spamcheck.py index 129771f183..5a907718d6 100644 --- a/synapse/events/spamcheck.py +++ b/synapse/events/spamcheck.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2017 New Vector Ltd +# Copyright 2019 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. @@ -13,6 +14,10 @@ # See the License for the specific language governing permissions and # limitations under the License. +import inspect + +from synapse.spam_checker_api import SpamCheckerApi + class SpamChecker(object): def __init__(self, hs): @@ -26,7 +31,14 @@ class SpamChecker(object): pass if module is not None: - self.spam_checker = module(config=config) + # Older spam checkers don't accept the `api` argument, so we + # try and detect support. + spam_args = inspect.getfullargspec(module) + if "api" in spam_args.args: + api = SpamCheckerApi(hs) + self.spam_checker = module(config=config, api=api) + else: + self.spam_checker = module(config=config) def check_event_for_spam(self, event): """Checks if a given event is considered "spammy" by this server. diff --git a/synapse/spam_checker_api/__init__.py b/synapse/spam_checker_api/__init__.py new file mode 100644 index 0000000000..efcc10f808 --- /dev/null +++ b/synapse/spam_checker_api/__init__.py @@ -0,0 +1,51 @@ +# -*- coding: utf-8 -*- +# Copyright 2019 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 logging + +from twisted.internet import defer + +from synapse.storage.state import StateFilter + +logger = logging.getLogger(__name__) + + +class SpamCheckerApi(object): + """A proxy object that gets passed to spam checkers so they can get + access to rooms and other relevant information. + """ + + def __init__(self, hs): + self.hs = hs + + self._store = hs.get_datastore() + + @defer.inlineCallbacks + def get_state_events_in_room(self, room_id, types): + """Gets state events for the given room. + + Args: + room_id (string): The room ID to get state events in. + types (tuple): The event type and state key (using None + to represent 'any') of the room state to acquire. + + Returns: + twisted.internet.defer.Deferred[list(synapse.events.FrozenEvent)]: + The filtered state events in the room. + """ + state_ids = yield self._store.get_filtered_current_state_ids( + room_id=room_id, state_filter=StateFilter.from_types(types) + ) + state = yield self._store.get_events(state_ids.values()) + return state.values() |