mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-12-10 00:54:19 -05:00
211 lines
6.4 KiB
Python
211 lines
6.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket 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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from ._base import BaseHandler
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from twisted.internet import defer
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from synapse.util.logcontext import PreserveLoggingContext
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import logging
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logger = logging.getLogger(__name__)
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class ReceiptsHandler(BaseHandler):
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def __init__(self, hs):
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super(ReceiptsHandler, self).__init__(hs)
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self.hs = hs
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self.federation = hs.get_replication_layer()
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self.federation.register_edu_handler(
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"m.receipt", self._received_remote_receipt
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)
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self.clock = self.hs.get_clock()
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self._receipt_cache = None
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@defer.inlineCallbacks
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def received_client_receipt(self, room_id, receipt_type, user_id,
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event_id):
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"""Called when a client tells us a local user has read up to the given
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event_id in the room.
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"""
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receipt = {
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"room_id": room_id,
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"receipt_type": receipt_type,
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"user_id": user_id,
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"event_ids": [event_id],
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"data": {
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"ts": int(self.clock.time_msec()),
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}
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}
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is_new = yield self._handle_new_receipts([receipt])
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if is_new:
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self._push_remotes([receipt])
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@defer.inlineCallbacks
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def _received_remote_receipt(self, origin, content):
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"""Called when we receive an EDU of type m.receipt from a remote HS.
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"""
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receipts = [
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{
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"room_id": room_id,
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"receipt_type": receipt_type,
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"user_id": user_id,
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"event_ids": user_values["event_ids"],
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"data": user_values.get("data", {}),
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}
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for room_id, room_values in content.items()
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for receipt_type, users in room_values.items()
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for user_id, user_values in users.items()
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]
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yield self._handle_new_receipts(receipts)
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@defer.inlineCallbacks
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def _handle_new_receipts(self, receipts):
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"""Takes a list of receipts, stores them and informs the notifier.
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"""
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for receipt in receipts:
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room_id = receipt["room_id"]
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receipt_type = receipt["receipt_type"]
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user_id = receipt["user_id"]
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event_ids = receipt["event_ids"]
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data = receipt["data"]
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res = yield self.store.insert_receipt(
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room_id, receipt_type, user_id, event_ids, data
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)
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if not res:
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# res will be None if this read receipt is 'old'
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defer.returnValue(False)
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stream_id, max_persisted_id = res
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with PreserveLoggingContext():
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self.notifier.on_new_event(
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"receipt_key", max_persisted_id, rooms=[room_id]
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)
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defer.returnValue(True)
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@defer.inlineCallbacks
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def _push_remotes(self, receipts):
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"""Given a list of receipts, works out which remote servers should be
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poked and pokes them.
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"""
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# TODO: Some of this stuff should be coallesced.
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for receipt in receipts:
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room_id = receipt["room_id"]
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receipt_type = receipt["receipt_type"]
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user_id = receipt["user_id"]
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event_ids = receipt["event_ids"]
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data = receipt["data"]
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remotedomains = set()
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rm_handler = self.hs.get_handlers().room_member_handler
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yield rm_handler.fetch_room_distributions_into(
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room_id, localusers=None, remotedomains=remotedomains
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)
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logger.debug("Sending receipt to: %r", remotedomains)
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for domain in remotedomains:
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self.federation.send_edu(
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destination=domain,
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edu_type="m.receipt",
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content={
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room_id: {
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receipt_type: {
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user_id: {
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"event_ids": event_ids,
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"data": data,
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}
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}
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},
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},
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)
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@defer.inlineCallbacks
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def get_receipts_for_room(self, room_id, to_key):
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"""Gets all receipts for a room, upto the given key.
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"""
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result = yield self.store.get_linearized_receipts_for_room(
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room_id,
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to_key=to_key,
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)
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if not result:
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defer.returnValue([])
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event = {
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"type": "m.receipt",
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"room_id": room_id,
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"content": result,
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}
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defer.returnValue([event])
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class ReceiptEventSource(object):
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def __init__(self, hs):
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self.store = hs.get_datastore()
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@defer.inlineCallbacks
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def get_new_events_for_user(self, user, from_key, limit):
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from_key = int(from_key)
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to_key = yield self.get_current_key()
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if from_key == to_key:
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defer.returnValue(([], to_key))
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rooms = yield self.store.get_rooms_for_user(user.to_string())
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rooms = [room.room_id for room in rooms]
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events = yield self.store.get_linearized_receipts_for_rooms(
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rooms,
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from_key=from_key,
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to_key=to_key,
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)
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defer.returnValue((events, to_key))
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def get_current_key(self, direction='f'):
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return self.store.get_max_receipt_stream_id()
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@defer.inlineCallbacks
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def get_pagination_rows(self, user, config, key):
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to_key = int(config.from_key)
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if config.to_key:
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from_key = int(config.to_key)
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else:
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from_key = None
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rooms = yield self.store.get_rooms_for_user(user.to_string())
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rooms = [room.room_id for room in rooms]
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events = yield self.store.get_linearized_receipts_for_rooms(
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rooms,
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from_key=from_key,
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to_key=to_key,
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)
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defer.returnValue((events, to_key))
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