From 5ed109d59f46c5185395f7c76050274fdd6abc15 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Tue, 19 Sep 2017 12:20:11 +0100 Subject: PoC for filtering spammy events (#2456) Demonstration of how you might add some hooks to filter out spammy events. --- synapse/events/spamcheck.py | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 synapse/events/spamcheck.py (limited to 'synapse/events') diff --git a/synapse/events/spamcheck.py b/synapse/events/spamcheck.py new file mode 100644 index 0000000000..3eb4eab26a --- /dev/null +++ b/synapse/events/spamcheck.py @@ -0,0 +1,38 @@ +# -*- 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 -- cgit 1.4.1