mirror of
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336 lines
11 KiB
Python
336 lines
11 KiB
Python
# Copyright 2015, 2016 OpenMarket Ltd
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# Copyright 2020 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 typing import TYPE_CHECKING, Tuple
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from synapse.api import errors
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from synapse.api.errors import NotFoundError
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from synapse.http.server import HttpServer
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from synapse.http.servlet import (
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RestServlet,
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assert_params_in_dict,
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parse_json_object_from_request,
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)
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from synapse.http.site import SynapseRequest
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from synapse.rest.client._base import client_patterns, interactive_auth_handler
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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 DevicesRestServlet(RestServlet):
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PATTERNS = client_patterns("/devices$")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.device_handler = hs.get_device_handler()
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self._msc3852_enabled = hs.config.experimental.msc3852_enabled
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async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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devices = await self.device_handler.get_devices_by_user(
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requester.user.to_string()
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)
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# If MSC3852 is disabled, then the "last_seen_user_agent" field will be
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# removed from each device. If it is enabled, then the field name will
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# be replaced by the unstable identifier.
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#
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# When MSC3852 is accepted, this block of code can just be removed to
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# expose "last_seen_user_agent" to clients.
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for device in devices:
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last_seen_user_agent = device["last_seen_user_agent"]
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del device["last_seen_user_agent"]
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if self._msc3852_enabled:
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device["org.matrix.msc3852.last_seen_user_agent"] = last_seen_user_agent
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return 200, {"devices": devices}
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class DeleteDevicesRestServlet(RestServlet):
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"""
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API for bulk deletion of devices. Accepts a JSON object with a devices
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key which lists the device_ids to delete. Requires user interactive auth.
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"""
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PATTERNS = client_patterns("/delete_devices")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.device_handler = hs.get_device_handler()
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self.auth_handler = hs.get_auth_handler()
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@interactive_auth_handler
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request)
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try:
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body = parse_json_object_from_request(request)
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except errors.SynapseError as e:
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if e.errcode == errors.Codes.NOT_JSON:
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# DELETE
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# deal with older clients which didn't pass a JSON dict
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# the same as those that pass an empty dict
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body = {}
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else:
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raise e
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assert_params_in_dict(body, ["devices"])
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await self.auth_handler.validate_user_via_ui_auth(
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requester,
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request,
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body,
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"remove device(s) from your account",
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# Users might call this multiple times in a row while cleaning up
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# devices, allow a single UI auth session to be re-used.
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can_skip_ui_auth=True,
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)
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await self.device_handler.delete_devices(
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requester.user.to_string(), body["devices"]
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)
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return 200, {}
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class DeviceRestServlet(RestServlet):
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PATTERNS = client_patterns("/devices/(?P<device_id>[^/]*)$")
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.device_handler = hs.get_device_handler()
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self.auth_handler = hs.get_auth_handler()
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self._msc3852_enabled = hs.config.experimental.msc3852_enabled
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async def on_GET(
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self, request: SynapseRequest, device_id: str
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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device = await self.device_handler.get_device(
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requester.user.to_string(), device_id
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)
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if device is None:
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raise NotFoundError("No device found")
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# If MSC3852 is disabled, then the "last_seen_user_agent" field will be
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# removed from each device. If it is enabled, then the field name will
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# be replaced by the unstable identifier.
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#
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# When MSC3852 is accepted, this block of code can just be removed to
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# expose "last_seen_user_agent" to clients.
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last_seen_user_agent = device["last_seen_user_agent"]
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del device["last_seen_user_agent"]
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if self._msc3852_enabled:
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device["org.matrix.msc3852.last_seen_user_agent"] = last_seen_user_agent
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return 200, device
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@interactive_auth_handler
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async def on_DELETE(
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self, request: SynapseRequest, device_id: str
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request)
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try:
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body = parse_json_object_from_request(request)
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except errors.SynapseError as e:
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if e.errcode == errors.Codes.NOT_JSON:
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# deal with older clients which didn't pass a JSON dict
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# the same as those that pass an empty dict
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body = {}
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else:
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raise
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await self.auth_handler.validate_user_via_ui_auth(
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requester,
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request,
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body,
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"remove a device from your account",
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# Users might call this multiple times in a row while cleaning up
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# devices, allow a single UI auth session to be re-used.
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can_skip_ui_auth=True,
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)
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await self.device_handler.delete_devices(
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requester.user.to_string(), [device_id]
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)
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return 200, {}
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async def on_PUT(
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self, request: SynapseRequest, device_id: str
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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body = parse_json_object_from_request(request)
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await self.device_handler.update_device(
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requester.user.to_string(), device_id, body
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)
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return 200, {}
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class DehydratedDeviceServlet(RestServlet):
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"""Retrieve or store a dehydrated device.
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GET /org.matrix.msc2697.v2/dehydrated_device
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HTTP/1.1 200 OK
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Content-Type: application/json
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{
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"device_id": "dehydrated_device_id",
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"device_data": {
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"algorithm": "org.matrix.msc2697.v1.dehydration.v1.olm",
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"account": "dehydrated_device"
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}
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}
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PUT /org.matrix.msc2697/dehydrated_device
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Content-Type: application/json
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{
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"device_data": {
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"algorithm": "org.matrix.msc2697.v1.dehydration.v1.olm",
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"account": "dehydrated_device"
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}
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}
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HTTP/1.1 200 OK
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Content-Type: application/json
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{
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"device_id": "dehydrated_device_id"
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}
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"""
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PATTERNS = client_patterns("/org.matrix.msc2697.v2/dehydrated_device", releases=())
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.device_handler = hs.get_device_handler()
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async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request)
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dehydrated_device = await self.device_handler.get_dehydrated_device(
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requester.user.to_string()
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)
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if dehydrated_device is not None:
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(device_id, device_data) = dehydrated_device
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result = {"device_id": device_id, "device_data": device_data}
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return 200, result
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else:
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raise errors.NotFoundError("No dehydrated device available")
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async def on_PUT(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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submission = parse_json_object_from_request(request)
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requester = await self.auth.get_user_by_req(request)
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if "device_data" not in submission:
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raise errors.SynapseError(
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400,
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"device_data missing",
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errcode=errors.Codes.MISSING_PARAM,
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)
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elif not isinstance(submission["device_data"], dict):
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raise errors.SynapseError(
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400,
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"device_data must be an object",
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errcode=errors.Codes.INVALID_PARAM,
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)
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device_id = await self.device_handler.store_dehydrated_device(
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requester.user.to_string(),
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submission["device_data"],
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submission.get("initial_device_display_name", None),
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)
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return 200, {"device_id": device_id}
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class ClaimDehydratedDeviceServlet(RestServlet):
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"""Claim a dehydrated device.
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POST /org.matrix.msc2697.v2/dehydrated_device/claim
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Content-Type: application/json
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{
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"device_id": "dehydrated_device_id"
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}
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HTTP/1.1 200 OK
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Content-Type: application/json
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{
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"success": true,
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}
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"""
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PATTERNS = client_patterns(
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"/org.matrix.msc2697.v2/dehydrated_device/claim", releases=()
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)
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.device_handler = hs.get_device_handler()
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request)
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submission = parse_json_object_from_request(request)
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if "device_id" not in submission:
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raise errors.SynapseError(
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400,
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"device_id missing",
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errcode=errors.Codes.MISSING_PARAM,
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)
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elif not isinstance(submission["device_id"], str):
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raise errors.SynapseError(
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400,
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"device_id must be a string",
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errcode=errors.Codes.INVALID_PARAM,
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)
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result = await self.device_handler.rehydrate_device(
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requester.user.to_string(),
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self.auth.get_access_token_from_request(request),
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submission["device_id"],
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)
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return 200, result
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def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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DeleteDevicesRestServlet(hs).register(http_server)
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DevicesRestServlet(hs).register(http_server)
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DeviceRestServlet(hs).register(http_server)
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DehydratedDeviceServlet(hs).register(http_server)
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ClaimDehydratedDeviceServlet(hs).register(http_server)
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