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# -*- 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.
from typing import Any, Dict, List, Tuple
from synapse.config import ConfigError
from synapse.util.module_loader import load_module
from ._base import Config
class SpamCheckerConfig(Config):
section = "spamchecker"
def read_config(self, config, **kwargs):
self.spam_checkers = [] # type: List[Tuple[Any, Dict]]
spam_checkers = config.get("spam_checker") or []
if isinstance(spam_checkers, dict):
# The spam_checker config option used to only support one
# spam checker, and thus was simply a dictionary with module
# and config keys. Support this old behaviour by checking
# to see if the option resolves to a dictionary
self.spam_checkers.append(load_module(spam_checkers))
elif isinstance(spam_checkers, list):
for spam_checker in spam_checkers:
if not isinstance(spam_checker, dict):
raise ConfigError("spam_checker syntax is incorrect")
self.spam_checkers.append(load_module(spam_checker))
else:
raise ConfigError("spam_checker syntax is incorrect")
def generate_config_section(self, **kwargs):
return """\
# Spam checkers are third-party modules that can block specific actions
# of local users, such as creating rooms and registering undesirable
# usernames, as well as remote users by redacting incoming events.
#
spam_checker:
#- module: "my_custom_project.SuperSpamChecker"
# config:
# example_option: 'things'
#- module: "some_other_project.BadEventStopper"
# config:
# example_stop_events_from: ['@bad:example.com']
"""
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