mirror of
https://github.com/matrix-org/mjolnir.git
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95 lines
3.5 KiB
Python
95 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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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 .list_rule import (
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ListRule,
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ALL_RULE_TYPES,
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USER_RULE_TYPES,
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SERVER_RULE_TYPES,
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ROOM_RULE_TYPES,
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)
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from twisted.internet import defer
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from synapse.module_api import run_as_background_process
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logger = logging.getLogger("synapse.contrib." + __name__)
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class BanList(object):
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def __init__(self, api, room_id):
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self.api = api
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self.room_id = room_id
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self.server_rules = []
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self.user_rules = []
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self.room_rules = []
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self.build()
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def build(self, with_event=None):
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@defer.inlineCallbacks
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def run(with_event):
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events = yield self.get_relevant_state_events()
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if with_event is not None:
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events = [*events, with_event]
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self.server_rules = []
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self.user_rules = []
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self.room_rules = []
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for event in events:
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event_type = event.get("type", "")
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state_key = event.get("state_key", "")
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content = event.get("content", {})
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if state_key is None:
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continue # Some message event got in here?
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# Skip over events which are replaced by with_event. We do this
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# to ensure that when we rebuild the list we're using updated rules.
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if with_event is not None:
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w_event_type = with_event.get("type", "")
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w_state_key = with_event.get("state_key", "")
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w_event_id = with_event.event_id
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event_id = event.event_id
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if (
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w_event_type == event_type
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and w_state_key == state_key
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and w_event_id != event_id
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):
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continue
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entity = content.get("entity", None)
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recommendation = content.get("recommendation", None)
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reason = content.get("reason", None)
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if entity is None or recommendation is None or reason is None:
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continue # invalid event
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logger.info(
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"Adding rule %s/%s with action %s"
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% (event_type, entity, recommendation)
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)
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rule = ListRule(
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entity=entity, action=recommendation, reason=reason, kind=event_type
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)
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if event_type in USER_RULE_TYPES:
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self.user_rules.append(rule)
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elif event_type in ROOM_RULE_TYPES:
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self.room_rules.append(rule)
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elif event_type in SERVER_RULE_TYPES:
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self.server_rules.append(rule)
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run_as_background_process("mjolnir_build_ban_list", run, with_event)
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def get_relevant_state_events(self):
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return self.api.get_state_events_in_room(
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self.room_id, [(t, None) for t in ALL_RULE_TYPES]
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)
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