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1182ae5063
The `parse_enum` helper pulls an enum value from the query string (by delegating down to the parse_string helper with values generated from the enum). This is used to pull out "f" and "b" in most places and then we thread the resulting Direction enum throughout more code.
247 lines
8.5 KiB
Python
247 lines
8.5 KiB
Python
# Copyright 2021 The Matrix.org Foundation C.I.C.
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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 http import HTTPStatus
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from typing import TYPE_CHECKING, Tuple
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from synapse.api.constants import Direction
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from synapse.api.errors import Codes, NotFoundError, SynapseError
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from synapse.federation.transport.server import Authenticator
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from synapse.http.servlet import RestServlet, parse_enum, parse_integer, parse_string
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from synapse.http.site import SynapseRequest
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from synapse.rest.admin._base import admin_patterns, assert_requester_is_admin
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from synapse.storage.databases.main.transactions import DestinationSortOrder
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from synapse.types import JsonDict
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class ListDestinationsRestServlet(RestServlet):
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"""Get request to list all destinations.
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This needs user to have administrator access in Synapse.
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GET /_synapse/admin/v1/federation/destinations?from=0&limit=10
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returns:
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200 OK with list of destinations if success otherwise an error.
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The parameters `from` and `limit` are required only for pagination.
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By default, a `limit` of 100 is used.
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The parameter `destination` can be used to filter by destination.
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The parameter `order_by` can be used to order the result.
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"""
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PATTERNS = admin_patterns("/federation/destinations$")
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def __init__(self, hs: "HomeServer"):
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self._auth = hs.get_auth()
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self._store = hs.get_datastores().main
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async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self._auth, request)
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start = parse_integer(request, "from", default=0)
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limit = parse_integer(request, "limit", default=100)
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if start < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter from must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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if limit < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter limit must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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destination = parse_string(request, "destination")
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order_by = parse_string(
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request,
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"order_by",
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default=DestinationSortOrder.DESTINATION.value,
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allowed_values=[dest.value for dest in DestinationSortOrder],
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)
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direction = parse_enum(request, "dir", Direction, default=Direction.FORWARDS)
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destinations, total = await self._store.get_destinations_paginate(
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start, limit, destination, order_by, direction
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)
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response = {"destinations": destinations, "total": total}
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if (start + limit) < total:
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response["next_token"] = str(start + len(destinations))
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return HTTPStatus.OK, response
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class DestinationRestServlet(RestServlet):
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"""Get details of a destination.
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This needs user to have administrator access in Synapse.
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GET /_synapse/admin/v1/federation/destinations/<destination>
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returns:
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200 OK with details of a destination if success otherwise an error.
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"""
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PATTERNS = admin_patterns("/federation/destinations/(?P<destination>[^/]*)$")
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def __init__(self, hs: "HomeServer"):
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self._auth = hs.get_auth()
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self._store = hs.get_datastores().main
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async def on_GET(
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self, request: SynapseRequest, destination: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self._auth, request)
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if not await self._store.is_destination_known(destination):
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raise NotFoundError("Unknown destination")
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destination_retry_timings = await self._store.get_destination_retry_timings(
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destination
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)
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last_successful_stream_ordering = (
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await self._store.get_destination_last_successful_stream_ordering(
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destination
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)
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)
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response: JsonDict = {
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"destination": destination,
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"last_successful_stream_ordering": last_successful_stream_ordering,
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}
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if destination_retry_timings:
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response = {
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**response,
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"failure_ts": destination_retry_timings.failure_ts,
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"retry_last_ts": destination_retry_timings.retry_last_ts,
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"retry_interval": destination_retry_timings.retry_interval,
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}
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else:
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response = {
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**response,
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"failure_ts": None,
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"retry_last_ts": 0,
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"retry_interval": 0,
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}
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return HTTPStatus.OK, response
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class DestinationMembershipRestServlet(RestServlet):
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"""Get list of rooms of a destination.
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This needs user to have administrator access in Synapse.
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GET /_synapse/admin/v1/federation/destinations/<destination>/rooms?from=0&limit=10
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returns:
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200 OK with a list of rooms if success otherwise an error.
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The parameters `from` and `limit` are required only for pagination.
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By default, a `limit` of 100 is used.
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"""
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PATTERNS = admin_patterns("/federation/destinations/(?P<destination>[^/]*)/rooms$")
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def __init__(self, hs: "HomeServer"):
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self._auth = hs.get_auth()
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self._store = hs.get_datastores().main
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async def on_GET(
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self, request: SynapseRequest, destination: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self._auth, request)
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if not await self._store.is_destination_known(destination):
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raise NotFoundError("Unknown destination")
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start = parse_integer(request, "from", default=0)
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limit = parse_integer(request, "limit", default=100)
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if start < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter from must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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if limit < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter limit must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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direction = parse_enum(request, "dir", Direction, default=Direction.FORWARDS)
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rooms, total = await self._store.get_destination_rooms_paginate(
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destination, start, limit, direction
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)
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response = {"rooms": rooms, "total": total}
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if (start + limit) < total:
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response["next_token"] = str(start + len(rooms))
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return HTTPStatus.OK, response
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class DestinationResetConnectionRestServlet(RestServlet):
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"""Reset destinations' connection timeouts and wake it up.
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This needs user to have administrator access in Synapse.
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POST /_synapse/admin/v1/federation/destinations/<destination>/reset_connection
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{}
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returns:
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200 OK otherwise an error.
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"""
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PATTERNS = admin_patterns(
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"/federation/destinations/(?P<destination>[^/]+)/reset_connection$"
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)
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def __init__(self, hs: "HomeServer"):
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self._auth = hs.get_auth()
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self._store = hs.get_datastores().main
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self._authenticator = Authenticator(hs)
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async def on_POST(
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self, request: SynapseRequest, destination: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self._auth, request)
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if not await self._store.is_destination_known(destination):
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raise NotFoundError("Unknown destination")
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retry_timings = await self._store.get_destination_retry_timings(destination)
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if not (retry_timings and retry_timings.retry_last_ts):
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"The retry timing does not need to be reset for this destination.",
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)
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# reset timings and wake up
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await self._authenticator.reset_retry_timings(destination)
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return HTTPStatus.OK, {}
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