diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/api/constants.py | 3 | ||||
| -rw-r--r-- | synapse/server_notices/consent_server_notices.py | 2 | ||||
| -rw-r--r-- | synapse/server_notices/resource_limits_server_notices.py | 140 | ||||
| -rw-r--r-- | synapse/server_notices/server_notices_manager.py | 31 | ||||
| -rw-r--r-- | synapse/server_notices/server_notices_sender.py | 33 |
5 files changed, 184 insertions, 25 deletions
diff --git a/synapse/api/constants.py b/synapse/api/constants.py index b0da506f6d..1fb24578e2 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -78,6 +78,9 @@ class EventTypes(object): Name = "m.room.name" ServerACL = "m.room.server_acl" + Pinned = "m.room.pinned_events" + + ServerNoticeLimitReached = "m.server_notice.usage_limit_reached" class RejectedReason(object): diff --git a/synapse/server_notices/consent_server_notices.py b/synapse/server_notices/consent_server_notices.py index 5e3044d164..a9fe58d9ff 100644 --- a/synapse/server_notices/consent_server_notices.py +++ b/synapse/server_notices/consent_server_notices.py @@ -103,7 +103,7 @@ class ConsentServerNotices(object): }, ) yield self._server_notices_manager.send_notice( - user_id, content, + user_id, content ) yield self._store.user_set_consent_server_notice_sent( user_id, self._current_consent_version, diff --git a/synapse/server_notices/resource_limits_server_notices.py b/synapse/server_notices/resource_limits_server_notices.py new file mode 100644 index 0000000000..43a926fc79 --- /dev/null +++ b/synapse/server_notices/resource_limits_server_notices.py @@ -0,0 +1,140 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 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. +import logging + +from twisted.internet import defer + +from synapse.api.constants import EventTypes +from synapse.api.errors import AuthError, SynapseError + +logger = logging.getLogger(__name__) + + +class ResourceLimitsServerNotices(object): + """ + """ + def __init__(self, hs): + """ + + Args: + hs (synapse.server.HomeServer): + """ + self._server_notices_manager = hs.get_server_notices_manager() + self._store = hs.get_datastore() + self.auth = hs.get_auth() + self._server_notice_content = hs.config.user_consent_server_notice_content + self._admin_uri = hs.config.admin_uri + self._limit_usage_by_mau = hs.config.limit_usage_by_mau + self._hs_disabled = hs.config.hs_disabled + + self._resouce_limited = False + self._message_handler = hs.get_message_handler() + self._state = hs.get_state_handler() + # Config checks? + + @defer.inlineCallbacks + def maybe_send_server_notice_to_user(self, user_id): + """Check if we need to send a notice to this user, and does so if so + + Args: + user_id (str): user to check + + Returns: + Deferred + """ + if self._hs_disabled is True: + return + + if self._limit_usage_by_mau is True: + timestamp = yield self._store.user_last_seen_monthly_active(user_id) + if timestamp is None: + # This user will be blocked from receiving the notice anyway. + # In practice, not sure we can ever get here + return + + room_id = yield self._server_notices_manager.get_notice_room_for_user(user_id) + + currently_blocked = False + logger.info("GET CURRENT STATE") + pinned_state_event = None + try: + pinned_state_event = yield self._state.get_current_state( + room_id, event_type=EventTypes.Pinned + ) + except AuthError as e: + # The user has yet to join the server notices room + pass + + referenced_events = [] + if pinned_state_event is not None: + referenced_events = pinned_state_event.content.get('pinned') + + events = yield self._store.get_events(referenced_events) + logger.info(events) + for event_id, event in events.items(): + logger.info("event_id, event event.type %s %s %s" % ( + event_id, event, event.type) + ) + if event.type == EventTypes.ServerNoticeLimitReached: + currently_blocked = True + + logger.info("currently_blocked is %r" % currently_blocked) + try: + # Normally should always pass in user_id if you have it, but in + # this case are checking what would happen to other users if they + # were to arrive. + yield self.auth.check_auth_blocking() + + # Need to start removing notices + # if user_id in self._notified_of_blocking: + if currently_blocked: + # Send message to remove warning + # send state event here + # How do I do this? if drop the id, how to refer to it? + content = { + "pinned": [] + } + yield self._server_notices_manager.send_notice( + user_id, content, EventTypes.Pinned, '', + ) + logger.info('deactivate block') + + except AuthError as e: + # Need to start notifying of blocking + try: + if not currently_blocked: + # TODO use admin email contained in error once PR lands + content = { + 'body': e.msg, + 'admin_uri': self._admin_uri, + } + event = yield self._server_notices_manager.send_notice( + user_id, content, EventTypes.ServerNoticeLimitReached + ) + + # send server notices state event here + # TODO Over writing pinned events + content = { + "pinned": [ + event.event_id, + ] + } + logger.info("active block") + yield self._server_notices_manager.send_notice( + user_id, content, EventTypes.Pinned, '', + ) + + except SynapseError as e: + logger.error("Error sending resource limits server notice: %s", e) diff --git a/synapse/server_notices/server_notices_manager.py b/synapse/server_notices/server_notices_manager.py index a26deace53..22c819cc5b 100644 --- a/synapse/server_notices/server_notices_manager.py +++ b/synapse/server_notices/server_notices_manager.py @@ -46,7 +46,10 @@ class ServerNoticesManager(object): return self._config.server_notices_mxid is not None @defer.inlineCallbacks - def send_notice(self, user_id, event_content): + def send_notice( + self, user_id, event_content, + type=EventTypes.Message, state_key=None + ): """Send a notice to the given user Creates the server notices room, if none exists. @@ -54,9 +57,11 @@ class ServerNoticesManager(object): Args: user_id (str): mxid of user to send event to. event_content (dict): content of event to send + type(EventTypes): type of event + is_state_event(bool): Is the event a state event Returns: - Deferred[None] + Deferred[FrozenEvent] """ room_id = yield self.get_notice_room_for_user(user_id) @@ -65,15 +70,20 @@ class ServerNoticesManager(object): logger.info("Sending server notice to %s", user_id) - yield self._event_creation_handler.create_and_send_nonmember_event( - requester, { - "type": EventTypes.Message, - "room_id": room_id, - "sender": system_mxid, - "content": event_content, - }, - ratelimit=False, + event_dict = { + "type": type, + "room_id": room_id, + "sender": system_mxid, + "content": event_content, + } + + if state_key is not None: + event_dict['state_key'] = state_key + + res = yield self._event_creation_handler.create_and_send_nonmember_event( + requester, event_dict, ratelimit=False, ) + defer.returnValue(res) @cachedInlineCallbacks() def get_notice_room_for_user(self, user_id): @@ -141,6 +151,7 @@ class ServerNoticesManager(object): creator_join_profile=join_profile, ) room_id = info['room_id'] + yield self._store.add_tag_to_room(user_id, room_id, 'm.server_notice', None) logger.info("Created server notices room %s for %s", room_id, user_id) defer.returnValue(room_id) diff --git a/synapse/server_notices/server_notices_sender.py b/synapse/server_notices/server_notices_sender.py index 5d23965f34..6121b2f267 100644 --- a/synapse/server_notices/server_notices_sender.py +++ b/synapse/server_notices/server_notices_sender.py @@ -12,7 +12,12 @@ # 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 twisted.internet import defer + from synapse.server_notices.consent_server_notices import ConsentServerNotices +from synapse.server_notices.resource_limits_server_notices import ( + ResourceLimitsServerNotices, +) class ServerNoticesSender(object): @@ -25,34 +30,34 @@ class ServerNoticesSender(object): Args: hs (synapse.server.HomeServer): """ - # todo: it would be nice to make this more dynamic - self._consent_server_notices = ConsentServerNotices(hs) + self._server_notices = ( + ConsentServerNotices(hs), + ResourceLimitsServerNotices(hs) + ) + @defer.inlineCallbacks def on_user_syncing(self, user_id): """Called when the user performs a sync operation. Args: user_id (str): mxid of user who synced - - Returns: - Deferred """ - return self._consent_server_notices.maybe_send_server_notice_to_user( - user_id, - ) + for sn in self._server_notices: + yield sn.maybe_send_server_notice_to_user( + user_id, + ) + @defer.inlineCallbacks def on_user_ip(self, user_id): """Called on the master when a worker process saw a client request. Args: user_id (str): mxid - - Returns: - Deferred """ # The synchrotrons use a stubbed version of ServerNoticesSender, so # we check for notices to send to the user in on_user_ip as well as # in on_user_syncing - return self._consent_server_notices.maybe_send_server_notice_to_user( - user_id, - ) + for sn in self._server_notices: + yield sn.maybe_send_server_notice_to_user( + user_id, + ) |