mirror of
https://mau.dev/maunium/synapse.git
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581 lines
18 KiB
Python
581 lines
18 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import logging
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from http import HTTPStatus
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from typing import TYPE_CHECKING, List, Optional, Tuple
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from synapse._pydantic_compat import HAS_PYDANTIC_V2
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if TYPE_CHECKING or HAS_PYDANTIC_V2:
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from pydantic.v1 import Extra, StrictStr
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else:
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from pydantic import Extra, StrictStr
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from synapse.api import errors
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from synapse.api.errors import NotFoundError, SynapseError, UnrecognizedRequestError
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from synapse.handlers.device import DeviceHandler
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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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parse_and_validate_json_object_from_request,
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parse_integer,
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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.rest.client.models import AuthenticationData
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from synapse.rest.models import RequestBodyModel
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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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CATEGORY = "Client API requests"
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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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handler = hs.get_device_handler()
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assert isinstance(handler, DeviceHandler)
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self.device_handler = handler
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self.auth_handler = hs.get_auth_handler()
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class PostBody(RequestBodyModel):
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auth: Optional[AuthenticationData]
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devices: List[StrictStr]
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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_and_validate_json_object_from_request(request, self.PostBody)
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except errors.SynapseError as e:
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if e.errcode == errors.Codes.NOT_JSON:
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# TODO: Can/should we remove this fallback now?
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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 = self.PostBody.parse_obj({})
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else:
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raise e
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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.dict(exclude_unset=True),
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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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CATEGORY = "Client API requests"
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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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handler = hs.get_device_handler()
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assert isinstance(handler, DeviceHandler)
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self.device_handler = 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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self._msc3861_oauth_delegation_enabled = hs.config.experimental.msc3861.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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class DeleteBody(RequestBodyModel):
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auth: Optional[AuthenticationData]
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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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if self._msc3861_oauth_delegation_enabled:
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raise UnrecognizedRequestError(code=404)
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requester = await self.auth.get_user_by_req(request)
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try:
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body = parse_and_validate_json_object_from_request(request, self.DeleteBody)
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except errors.SynapseError as e:
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if e.errcode == errors.Codes.NOT_JSON:
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# TODO: can/should we remove this fallback now?
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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 = self.DeleteBody.parse_obj({})
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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.dict(exclude_unset=True),
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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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class PutBody(RequestBodyModel):
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display_name: Optional[StrictStr]
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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_and_validate_json_object_from_request(request, self.PutBody)
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await self.device_handler.update_device(
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requester.user.to_string(), device_id, body.dict()
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)
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return 200, {}
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class DehydratedDeviceDataModel(RequestBodyModel):
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"""JSON blob describing a dehydrated device to be stored.
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Expects other freeform fields. Use .dict() to access them.
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"""
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class Config:
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extra = Extra.allow
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algorithm: StrictStr
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class DehydratedDeviceServlet(RestServlet):
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"""Retrieve or store a dehydrated device.
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Implements MSC2697.
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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.v2/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(
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"/org.matrix.msc2697.v2/dehydrated_device$",
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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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handler = hs.get_device_handler()
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assert isinstance(handler, DeviceHandler)
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self.device_handler = 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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class PutBody(RequestBodyModel):
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device_data: DehydratedDeviceDataModel
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initial_device_display_name: Optional[StrictStr]
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async def on_PUT(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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submission = parse_and_validate_json_object_from_request(request, self.PutBody)
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requester = await self.auth.get_user_by_req(request)
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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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None,
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submission.device_data.dict(),
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submission.initial_device_display_name,
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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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handler = hs.get_device_handler()
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assert isinstance(handler, DeviceHandler)
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self.device_handler = handler
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class PostBody(RequestBodyModel):
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device_id: StrictStr
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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_and_validate_json_object_from_request(request, self.PostBody)
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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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class DehydratedDeviceEventsServlet(RestServlet):
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PATTERNS = client_patterns(
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"/org.matrix.msc3814.v1/dehydrated_device/(?P<device_id>[^/]*)/events$",
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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.message_handler = hs.get_device_message_handler()
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self.auth = hs.get_auth()
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self.store = hs.get_datastores().main
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class PostBody(RequestBodyModel):
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next_batch: Optional[StrictStr]
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async def on_POST(
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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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next_batch = parse_and_validate_json_object_from_request(
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request, self.PostBody
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).next_batch
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limit = parse_integer(request, "limit", 100)
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msgs = await self.message_handler.get_events_for_dehydrated_device(
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requester=requester,
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device_id=device_id,
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since_token=next_batch,
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limit=limit,
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)
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return 200, msgs
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class DehydratedDeviceV2Servlet(RestServlet):
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"""Upload, retrieve, or delete a dehydrated device.
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GET /org.matrix.msc3814.v1/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.msc3814.v1/dehydrated_device
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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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"device_keys": {
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"user_id": "<user_id>",
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"device_id": "<device_id>",
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"valid_until_ts": <millisecond_timestamp>,
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"algorithms": [
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"m.olm.curve25519-aes-sha2",
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]
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"keys": {
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"<algorithm>:<device_id>": "<key_base64>",
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},
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"signatures:" {
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"<user_id>" {
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"<algorithm>:<device_id>": "<signature_base64>"
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}
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}
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},
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"fallback_keys": {
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"<algorithm>:<device_id>": "<key_base64>",
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"signed_<algorithm>:<device_id>": {
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"fallback": true,
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"key": "<key_base64>",
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"signatures": {
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"<user_id>": {
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"<algorithm>:<device_id>": "<key_base64>"
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}
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}
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}
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}
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"one_time_keys": {
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"<algorithm>:<key_id>": "<key_base64>"
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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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DELETE /org.matrix.msc3814.v1/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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}
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"""
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|
|
PATTERNS = [
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*client_patterns("/org.matrix.msc3814.v1/dehydrated_device$", releases=()),
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|
]
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.hs = hs
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|
self.auth = hs.get_auth()
|
|
handler = hs.get_device_handler()
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assert isinstance(handler, DeviceHandler)
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self.e2e_keys_handler = hs.get_e2e_keys_handler()
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self.device_handler = 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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|
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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_DELETE(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
|
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requester = await self.auth.get_user_by_req(request)
|
|
|
|
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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|
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if dehydrated_device is not None:
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(device_id, device_data) = dehydrated_device
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|
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await self.device_handler.delete_dehydrated_device(
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requester.user.to_string(), device_id
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)
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result = {"device_id": device_id}
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|
|
return 200, result
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else:
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|
raise errors.NotFoundError("No dehydrated device available")
|
|
|
|
class PutBody(RequestBodyModel):
|
|
device_data: DehydratedDeviceDataModel
|
|
device_id: StrictStr
|
|
initial_device_display_name: Optional[StrictStr]
|
|
|
|
class Config:
|
|
extra = Extra.allow
|
|
|
|
async def on_PUT(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
|
|
submission = parse_and_validate_json_object_from_request(request, self.PutBody)
|
|
requester = await self.auth.get_user_by_req(request)
|
|
user_id = requester.user.to_string()
|
|
|
|
old_dehydrated_device = await self.device_handler.get_dehydrated_device(user_id)
|
|
|
|
# if an old device exists, delete it before creating a new one
|
|
if old_dehydrated_device:
|
|
await self.device_handler.delete_dehydrated_device(
|
|
user_id, old_dehydrated_device[0]
|
|
)
|
|
|
|
device_info = submission.dict()
|
|
if "device_keys" not in device_info.keys():
|
|
raise SynapseError(
|
|
HTTPStatus.BAD_REQUEST,
|
|
"Device key(s) not found, these must be provided.",
|
|
)
|
|
|
|
device_id = await self.device_handler.store_dehydrated_device(
|
|
requester.user.to_string(),
|
|
submission.device_id,
|
|
submission.device_data.dict(),
|
|
submission.initial_device_display_name,
|
|
device_info,
|
|
)
|
|
|
|
return 200, {"device_id": device_id}
|
|
|
|
|
|
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
|
|
if (
|
|
hs.config.worker.worker_app is None
|
|
and not hs.config.experimental.msc3861.enabled
|
|
):
|
|
DeleteDevicesRestServlet(hs).register(http_server)
|
|
DevicesRestServlet(hs).register(http_server)
|
|
|
|
if hs.config.worker.worker_app is None:
|
|
DeviceRestServlet(hs).register(http_server)
|
|
if hs.config.experimental.msc2697_enabled:
|
|
DehydratedDeviceServlet(hs).register(http_server)
|
|
ClaimDehydratedDeviceServlet(hs).register(http_server)
|
|
if hs.config.experimental.msc3814_enabled:
|
|
DehydratedDeviceV2Servlet(hs).register(http_server)
|
|
DehydratedDeviceEventsServlet(hs).register(http_server)
|