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48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2017 New Vector Ltd.
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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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class SpamChecker(object):
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def __init__(self, hs):
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self.spam_checker = None
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module = None
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config = None
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try:
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module, config = hs.config.spam_checker
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except:
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pass
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if module is not None:
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self.spam_checker = module(config=config)
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def check_event_for_spam(self, event):
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"""Checks if a given event is considered "spammy" by this server.
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If the server considers an event spammy, then it will be rejected if
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sent by a local user. If it is sent by a user on another server, then
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users receive a blank event.
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Args:
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event (synapse.events.EventBase): the event to be checked
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Returns:
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bool: True if the event is spammy.
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"""
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if self.spam_checker is None:
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return False
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return self.spam_checker.check_event_for_spam(event)
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