synapse-product/synapse/events/spamcheck.py
Richard van der Hoff 5ed109d59f PoC for filtering spammy events (#2456)
Demonstration of how you might add some hooks to filter out spammy events.
2017-09-19 12:20:11 +01:00

39 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2017 New Vector Ltd.
#
# 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.
def check_event_for_spam(event):
"""Checks if a given event is considered "spammy" by this server.
If the server considers an event spammy, then it will be rejected if
sent by a local user. If it is sent by a user on another server, then
users
Args:
event (synapse.events.EventBase): the event to be checked
Returns:
bool: True if the event is spammy.
"""
if not hasattr(event, "content") or "body" not in event.content:
return False
# for example:
#
# if "the third flower is green" in event.content["body"]:
# return True
return False