60 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
# 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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import logging
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from typing import Any, Dict, List, Tuple
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from synapse.config import ConfigError
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from synapse.util.module_loader import load_module
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from ._base import Config
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logger = logging.getLogger(__name__)
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LEGACY_SPAM_CHECKER_WARNING = """
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This server is using a spam checker module that is implementing the deprecated spam
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checker interface. Please check with the module's maintainer to see if a new version
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supporting Synapse's generic modules system is available.
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For more information, please see https://matrix-org.github.io/synapse/latest/modules.html
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---------------------------------------------------------------------------------------"""
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class SpamCheckerConfig(Config):
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    section = "spamchecker"
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    def read_config(self, config, **kwargs):
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        self.spam_checkers: List[Tuple[Any, Dict]] = []
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        spam_checkers = config.get("spam_checker") or []
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        if isinstance(spam_checkers, dict):
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            # The spam_checker config option used to only support one
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            # spam checker, and thus was simply a dictionary with module
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            # and config keys. Support this old behaviour by checking
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            # to see if the option resolves to a dictionary
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            self.spam_checkers.append(load_module(spam_checkers, ("spam_checker",)))
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        elif isinstance(spam_checkers, list):
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            for i, spam_checker in enumerate(spam_checkers):
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                config_path = ("spam_checker", "<item %i>" % i)
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                if not isinstance(spam_checker, dict):
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                    raise ConfigError("expected a mapping", config_path)
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                self.spam_checkers.append(load_module(spam_checker, config_path))
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        else:
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            raise ConfigError("spam_checker syntax is incorrect")
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        # If this configuration is being used in any way, warn the admin that it is going
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        # away soon.
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        if self.spam_checkers:
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            logger.warning(LEGACY_SPAM_CHECKER_WARNING)
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