mirror of
https://mau.dev/maunium/synapse.git
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949c2c5435
Add a timeout parameter for controlling how long synapse will wait for responses from remote servers. For servers that fail include how they failed to make it easier to debug. Fetch keys from different servers in parallel rather than in series. Set the default timeout to 10s.
389 lines
12 KiB
Python
389 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 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 twisted.internet import defer
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from synapse.api.constants import Membership
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from synapse.api.urls import FEDERATION_PREFIX as PREFIX
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from synapse.util.logutils import log_function
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import logging
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logger = logging.getLogger(__name__)
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class TransportLayerClient(object):
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"""Sends federation HTTP requests to other servers"""
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def __init__(self, hs):
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self.server_name = hs.hostname
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self.client = hs.get_http_client()
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@log_function
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def get_room_state(self, destination, room_id, event_id):
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""" Requests all state for a given room from the given server at the
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given event.
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Args:
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destination (str): The host name of the remote home server we want
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to get the state from.
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context (str): The name of the context we want the state of
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event_id (str): The event we want the context at.
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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"""
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logger.debug("get_room_state dest=%s, room=%s",
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destination, room_id)
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path = PREFIX + "/state/%s/" % room_id
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return self.client.get_json(
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destination, path=path, args={"event_id": event_id},
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)
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@log_function
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def get_room_state_ids(self, destination, room_id, event_id):
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""" Requests all state for a given room from the given server at the
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given event. Returns the state's event_id's
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Args:
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destination (str): The host name of the remote home server we want
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to get the state from.
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context (str): The name of the context we want the state of
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event_id (str): The event we want the context at.
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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"""
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logger.debug("get_room_state_ids dest=%s, room=%s",
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destination, room_id)
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path = PREFIX + "/state_ids/%s/" % room_id
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return self.client.get_json(
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destination, path=path, args={"event_id": event_id},
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)
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@log_function
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def get_event(self, destination, event_id, timeout=None):
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""" Requests the pdu with give id and origin from the given server.
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Args:
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destination (str): The host name of the remote home server we want
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to get the state from.
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event_id (str): The id of the event being requested.
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timeout (int): How long to try (in ms) the destination for before
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giving up. None indicates no timeout.
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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"""
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logger.debug("get_pdu dest=%s, event_id=%s",
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destination, event_id)
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path = PREFIX + "/event/%s/" % (event_id, )
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return self.client.get_json(destination, path=path, timeout=timeout)
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@log_function
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def backfill(self, destination, room_id, event_tuples, limit):
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""" Requests `limit` previous PDUs in a given context before list of
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PDUs.
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Args:
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dest (str)
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room_id (str)
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event_tuples (list)
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limt (int)
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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"""
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logger.debug(
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"backfill dest=%s, room_id=%s, event_tuples=%s, limit=%s",
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destination, room_id, repr(event_tuples), str(limit)
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)
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if not event_tuples:
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# TODO: raise?
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return
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path = PREFIX + "/backfill/%s/" % (room_id,)
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args = {
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"v": event_tuples,
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"limit": [str(limit)],
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}
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return self.client.get_json(
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destination,
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path=path,
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args=args,
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)
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@defer.inlineCallbacks
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@log_function
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def send_transaction(self, transaction, json_data_callback=None):
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""" Sends the given Transaction to its destination
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Args:
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transaction (Transaction)
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Returns:
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Deferred: Results of the deferred is a tuple in the form of
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(response_code, response_body) where the response_body is a
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python dict decoded from json
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"""
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logger.debug(
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"send_data dest=%s, txid=%s",
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transaction.destination, transaction.transaction_id
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)
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if transaction.destination == self.server_name:
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raise RuntimeError("Transport layer cannot send to itself!")
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# FIXME: This is only used by the tests. The actual json sent is
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# generated by the json_data_callback.
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json_data = transaction.get_dict()
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response = yield self.client.put_json(
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transaction.destination,
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path=PREFIX + "/send/%s/" % transaction.transaction_id,
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data=json_data,
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json_data_callback=json_data_callback,
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long_retries=True,
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)
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logger.debug(
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"send_data dest=%s, txid=%s, got response: 200",
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transaction.destination, transaction.transaction_id,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def make_query(self, destination, query_type, args, retry_on_dns_fail):
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path = PREFIX + "/query/%s" % query_type
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content = yield self.client.get_json(
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destination=destination,
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path=path,
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args=args,
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retry_on_dns_fail=retry_on_dns_fail,
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timeout=10000,
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)
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defer.returnValue(content)
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@defer.inlineCallbacks
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@log_function
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def make_membership_event(self, destination, room_id, user_id, membership):
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valid_memberships = {Membership.JOIN, Membership.LEAVE}
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if membership not in valid_memberships:
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raise RuntimeError(
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"make_membership_event called with membership='%s', must be one of %s" %
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(membership, ",".join(valid_memberships))
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)
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path = PREFIX + "/make_%s/%s/%s" % (membership, room_id, user_id)
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content = yield self.client.get_json(
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destination=destination,
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path=path,
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retry_on_dns_fail=False,
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timeout=20000,
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)
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defer.returnValue(content)
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@defer.inlineCallbacks
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@log_function
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def send_join(self, destination, room_id, event_id, content):
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path = PREFIX + "/send_join/%s/%s" % (room_id, event_id)
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response = yield self.client.put_json(
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destination=destination,
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path=path,
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data=content,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def send_leave(self, destination, room_id, event_id, content):
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path = PREFIX + "/send_leave/%s/%s" % (room_id, event_id)
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response = yield self.client.put_json(
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destination=destination,
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path=path,
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data=content,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def send_invite(self, destination, room_id, event_id, content):
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path = PREFIX + "/invite/%s/%s" % (room_id, event_id)
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response = yield self.client.put_json(
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destination=destination,
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path=path,
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data=content,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def get_public_rooms(self, remote_server):
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path = PREFIX + "/publicRooms"
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response = yield self.client.get_json(
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destination=remote_server,
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path=path,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def exchange_third_party_invite(self, destination, room_id, event_dict):
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path = PREFIX + "/exchange_third_party_invite/%s" % (room_id,)
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response = yield self.client.put_json(
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destination=destination,
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path=path,
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data=event_dict,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def get_event_auth(self, destination, room_id, event_id):
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path = PREFIX + "/event_auth/%s/%s" % (room_id, event_id)
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content = yield self.client.get_json(
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destination=destination,
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path=path,
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)
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defer.returnValue(content)
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@defer.inlineCallbacks
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@log_function
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def send_query_auth(self, destination, room_id, event_id, content):
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path = PREFIX + "/query_auth/%s/%s" % (room_id, event_id)
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content = yield self.client.post_json(
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destination=destination,
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path=path,
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data=content,
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)
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defer.returnValue(content)
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@defer.inlineCallbacks
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@log_function
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def query_client_keys(self, destination, query_content, timeout):
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"""Query the device keys for a list of user ids hosted on a remote
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server.
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Request:
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{
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"device_keys": {
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"<user_id>": ["<device_id>"]
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} }
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Response:
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{
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"device_keys": {
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"<user_id>": {
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"<device_id>": {...}
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} } }
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Args:
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destination(str): The server to query.
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query_content(dict): The user ids to query.
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Returns:
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A dict containg the device keys.
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"""
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path = PREFIX + "/user/keys/query"
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content = yield self.client.post_json(
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destination=destination,
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path=path,
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data=query_content,
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timeout=timeout,
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)
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defer.returnValue(content)
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@defer.inlineCallbacks
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@log_function
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def claim_client_keys(self, destination, query_content, timeout):
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"""Claim one-time keys for a list of devices hosted on a remote server.
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Request:
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{
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"one_time_keys": {
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"<user_id>": {
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"<device_id>": "<algorithm>"
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} } }
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Response:
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{
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"device_keys": {
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"<user_id>": {
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"<device_id>": {
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"<algorithm>:<key_id>": "<key_base64>"
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} } } }
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Args:
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destination(str): The server to query.
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query_content(dict): The user ids to query.
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Returns:
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A dict containg the one-time keys.
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"""
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path = PREFIX + "/user/keys/claim"
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content = yield self.client.post_json(
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destination=destination,
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path=path,
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data=query_content,
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timeout=timeout,
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)
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defer.returnValue(content)
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@defer.inlineCallbacks
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@log_function
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def get_missing_events(self, destination, room_id, earliest_events,
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latest_events, limit, min_depth):
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path = PREFIX + "/get_missing_events/%s" % (room_id,)
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content = yield self.client.post_json(
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destination=destination,
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path=path,
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data={
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"limit": int(limit),
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"min_depth": int(min_depth),
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"earliest_events": earliest_events,
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"latest_events": latest_events,
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}
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)
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defer.returnValue(content)
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