181 lines
7.2 KiB
Python
181 lines
7.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 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 twisted.internet import defer
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from synapse.api.errors import AuthError, SynapseError
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from synapse.api.constants import EventTypes
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logger = logging.getLogger(__name__)
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class ResourceLimitsServerNotices(object):
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"""
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"""
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def __init__(self, hs):
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"""
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Args:
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hs (synapse.server.HomeServer):
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"""
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self._server_notices_manager = hs.get_server_notices_manager()
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self._store = hs.get_datastore()
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self.auth = hs.get_auth()
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self._server_notice_content = hs.config.user_consent_server_notice_content
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self._limit_usage_by_mau = hs.config.limit_usage_by_mau
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self._hs_disabled = hs.config.hs_disabled
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self._notified_of_blocking = set()
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self._resouce_limited = False
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self._message_handler = hs.get_message_handler()
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self._state = hs.get_state_handler()
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# Config checks?
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@defer.inlineCallbacks
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def maybe_send_server_notice_to_user(self, user_id):
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"""Check if we need to send a notice to this user, and does so if so
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Args:
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user_id (str): user to check
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Returns:
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Deferred
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"""
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if self._hs_disabled is True:
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return
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if self._limit_usage_by_mau is True:
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room_id = yield self._server_notices_manager.get_notice_room_for_user(user_id)
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# Alternate impl - currently inlcuded because I'm not sure I am on
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# the right track and want to share WIP
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# logger.info("GET STATE EVENTS")
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# currently_blocked = False
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# events = []
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# try:
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# events = yield self._message_handler.get_state_events(user_id, room_id, types=[(EventTypes.Pinned, None)])
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# except AuthError as e:
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# # The user has yet to join the server notices room
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# pass
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#
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# pinned_event_refs = []
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# for e in events:
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# logger.info('events %s' % e)
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# logger.info(type(e))
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# for key, event_ids in e['content'].items():
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# logger.info('Key Event %s %s' % (key, event_ids))
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# if key == 'pinned':
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# pinned_event_refs = event_ids
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#
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# logger.info('pinned_event_refs %s' % pinned_event_refs)
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#
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# events = yield self._store.get_events(pinned_event_refs)
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# logger.info(events)
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# for event_id, event in events.items():
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# logger.info("event_id, event event.type %s %s %s" % (event_id, event, event.type))
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# if event.type == 'm.server_notice.usage_limit_reached':
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# currently_blocked = True
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#
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# logger.info('Currently Blocked is %r' % currently_blocked)
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#for e in events:
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# logger.info(e)
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currently_blocked = False
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logger.info("GET CURRENT STATE")
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pinned_state_event = yield self._state.get_current_state(room_id, event_type=EventTypes.Pinned)
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logger.info(events)
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logger.info(events.get('content'))
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referenced_events = []
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if pinned_state_event is not None:
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content = pinned_state_event.get('content')
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if content is not None:
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referenced_events = content.get('pinned')
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events = yield self._store.get_events(referenced_events)
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logger.info(events)
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for event_id, event in events.items():
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logger.info("event_id, event event.type %s %s %s" % (event_id, event, event.type))
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if event.type == 'm.server_notice.usage_limit_reached':
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currently_blocked = True
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logger.info("currently_blocked is %r" % currently_blocked)
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#event = yield self._store.get_event(events.event_id)
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#logger.info(event)
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#logger.info("GET CURRENT STATE IDs")
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#events = yield self._state.get_current_state_ids(room_id)
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#for k,v in events.items():
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# logger.info('%s %s' % (k,v))
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timestamp = yield self._store.user_last_seen_monthly_active(user_id)
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if timestamp is None:
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# This user will be blocked from receiving the notice anyway.
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# In practice, not sure we can ever get here
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return
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try:
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# Normally should always pass in user_id if you have it, but in
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# this case are checking what would happen to other users if they
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# were to arrive.
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yield self.auth.check_auth_blocking()
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self._resouce_limited = False
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# Need to start removing notices
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# if user_id in self._notified_of_blocking:
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if currently_blocked:
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# Send message to remove warning
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# send state event here
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# How do I do this? if drop the id, how to refer to it?
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content = {
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"pinned":[]
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}
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yield self._server_notices_manager.send_notice(
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user_id, content, EventTypes.Pinned, '',
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)
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logger.info('deactivate block')
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except AuthError as e:
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# Need to start notifying of blocking
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try:
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self._resouce_limited = True
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#if user_id not in self._notified_of_blocking:
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if not currently_blocked:
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# TODO use admin email contained in error once PR lands
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content = {
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'body': e.msg,
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'admin_email': 'stunt@adminemail.com',
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}
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event = yield self._server_notices_manager.send_notice(
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user_id, content, EventTypes.ServerNoticeLimitReached
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)
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# send server notices state event here
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# TODO Over writing pinned events
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content = {
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"pinned":[
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event.event_id,
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]
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}
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logger.info("active block")
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yield self._server_notices_manager.send_notice(
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user_id, content, EventTypes.Pinned, '',
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)
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except SynapseError as e:
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logger.error("Error sending server notice about resource limits: %s", e)
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