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Add user_directory to database
This commit is contained in:
Erik Johnston
parent
5dbaa520a5
commit
eeb2f9e546
6 changed files with 444 additions and 1 deletions
218
synapse/handlers/user_directory.py
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218
synapse/handlers/user_directory.py
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# -*- coding: utf-8 -*-
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# Copyright 2017 Vector Creations 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.constants import EventTypes, JoinRules, Membership
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from synapse.storage.roommember import ProfileInfo
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from synapse.util.metrics import Measure
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logger = logging.getLogger(__name__)
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class UserDirectoyHandler(object):
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def __init__(self, hs):
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self.store = hs.get_datastore()
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self.state = hs.get_state_handler()
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self.server_name = hs.hostname
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self.clock = hs.get_clock()
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self.initially_handled_users = set()
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self.pos = None
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self._is_processing = False
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@defer.inlineCallbacks
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def notify_new_event(self):
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if self._is_processing:
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return
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self._is_processing = True
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try:
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yield self._unsafe_process()
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finally:
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self._is_processing = False
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@defer.inlineCallbacks
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def _unsafe_process(self):
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if self.pos is None:
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self.pos = yield self.store.get_user_directory_stream_pos()
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if self.pos is None:
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yield self._do_initial_spam()
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self.pos = yield self.store.get_user_directory_stream_pos()
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while True:
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with Measure(self.clock, "user_dir_delta"):
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deltas = yield self.store.get_current_state_deltas(self.pos)
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if not deltas:
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return
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yield self._handle_deltas(deltas)
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max_stream_id = deltas[-1]["stream_id"]
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yield self.store.update_user_directory_stream_pos(max_stream_id)
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@defer.inlineCallbacks
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def _handle_room(self, room_id):
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# TODO: Check we're still joined to room
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is_public = yield self.store.is_room_world_readable_or_publicly_joinable(room_id)
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if not is_public:
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return
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users_with_profile = yield self.state.get_current_user_in_room(room_id)
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unhandled_users = set(users_with_profile) - self.initially_handled_users
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yield self.store.add_profiles_to_user_dir(
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room_id, {
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user_id: users_with_profile[user_id] for user_id in unhandled_users
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}
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)
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self.initially_handled_users |= unhandled_users
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@defer.inlineCallbacks
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def _do_initial_spam(self):
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yield self.store.delete_all_from_user_dir()
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room_ids = yield self.store.get_all_rooms()
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for room_id in room_ids:
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yield self._handle_room(room_id)
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self.initially_handled_users = None
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yield self.store.update_user_directory_stream_pos(-1)
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@defer.inlineCallbacks
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def _handle_new_user(self, room_id, user_id, profile):
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row = yield self.store.get_user_in_directory(user_id)
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if row:
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return
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yield self.store.add_profiles_to_user_dir(room_id, {user_id: profile})
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def _handle_remove_user(self, room_id, user_id):
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row = yield self.store.get_user_in_directory(user_id)
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if not row or row["room_id"] != room_id:
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return
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# TODO: Make this faster?
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rooms = yield self.store.get_rooms_for_user(user_id)
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for room_id in rooms:
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is_public = yield self.store.is_room_world_readable_or_publicly_joinable(
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room_id
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)
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if is_public:
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return
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yield self.store.remove_from_user_dir(user_id)
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@defer.inlineCallbacks
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def _handle_deltas(self, deltas):
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for delta in deltas:
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typ = delta["type"]
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state_key = delta["state_key"]
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room_id = delta["room_id"]
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event_id = delta["event_id"]
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prev_event_id = delta["prev_event_id"]
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if typ == EventTypes.RoomHistoryVisibility:
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change = yield self._get_key_change(
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prev_event_id, event_id,
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key_name="history_visibility",
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public_value="world_readable",
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)
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if change is None:
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continue
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users_with_profile = yield self.state.get_current_user_in_room(room_id)
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for user_id, profile in users_with_profile.iteritems():
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if change:
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yield self._handle_new_user(room_id, user_id, profile)
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else:
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yield self._handle_remove_user(room_id, user_id)
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elif typ == EventTypes.JoinRules:
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change = yield self._get_key_change(
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prev_event_id, event_id,
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key_name="join_rules",
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public_value=JoinRules.PUBLIC,
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)
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if change is None:
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continue
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users_with_profile = yield self.state.get_current_user_in_room(room_id)
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for user_id, profile in users_with_profile.iteritems():
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if change:
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yield self._handle_new_user(room_id, user_id, profile)
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else:
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yield self._handle_remove_user(room_id, user_id)
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elif typ == EventTypes.Member:
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change = yield self._get_key_change(
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prev_event_id, event_id,
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key_name="membership",
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public_value=Membership.JOIN,
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)
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if change is None:
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continue
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if change:
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event = yield self.store.get_event(event_id)
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profile = ProfileInfo(
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avatar_url=event.content.get("avatar_url"),
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display_name=event.content.get("displayname"),
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)
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yield self._handle_new_user(room_id, state_key, profile)
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else:
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yield self._handle_remove_user(room_id, state_key)
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@defer.inlineCallbacks
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def _get_key_change(self, prev_event_id, event_id, key_name, public_value):
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prev_event = None
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event = None
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if prev_event_id:
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prev_event = yield self.store.get_event(prev_event_id, allow_none=True)
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if event_id:
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event = yield self.store.get_event(event_id, allow_none=True)
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if not event and not prev_event:
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defer.returnValue(None)
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prev_hist_vis = None
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hist_vis = None
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if prev_event:
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prev_hist_vis = prev_event.content.get(key_name, None)
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if event:
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hist_vis = event.content.get(key_name, None)
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logger.info("prev: %r, new: %r", prev_hist_vis, hist_vis)
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if hist_vis == public_value and prev_hist_vis != public_value:
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defer.returnValue(True)
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elif hist_vis != public_value and prev_hist_vis == public_value:
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defer.returnValue(False)
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else:
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defer.returnValue(None)
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