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# Copyright 2020 Dirk Klimpel
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from http import HTTPStatus
from typing import TYPE_CHECKING, Tuple
from synapse.api.errors import NotFoundError, SynapseError
from synapse.handlers.device import DeviceHandler
from synapse.http.servlet import (
RestServlet,
assert_params_in_dict,
parse_json_object_from_request,
)
from synapse.http.site import SynapseRequest
from synapse.rest.admin._base import admin_patterns, assert_requester_is_admin
from synapse.types import JsonDict, UserID
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class DeviceRestServlet(RestServlet):
"""
Get, update or delete the given user's device
"""
PATTERNS = admin_patterns(
"/users/(?P<user_id>[^/]*)/devices/(?P<device_id>[^/]*)$", "v2"
)
def __init__(self, hs: "HomeServer"):
super().__init__()
self.auth = hs.get_auth()
handler = hs.get_device_handler()
assert isinstance(handler, DeviceHandler)
self.device_handler = handler
self.store = hs.get_datastores().main
self.is_mine = hs.is_mine
async def on_GET(
self, request: SynapseRequest, user_id: str, device_id: str
) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self.auth, request)
target_user = UserID.from_string(user_id)
if not self.is_mine(target_user):
raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only lookup local users")
u = await self.store.get_user_by_id(target_user.to_string())
if u is None:
raise NotFoundError("Unknown user")
device = await self.device_handler.get_device(
target_user.to_string(), device_id
)
if device is None:
raise NotFoundError("No device found")
return HTTPStatus.OK, device
async def on_DELETE(
self, request: SynapseRequest, user_id: str, device_id: str
) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self.auth, request)
target_user = UserID.from_string(user_id)
if not self.is_mine(target_user):
raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only lookup local users")
u = await self.store.get_user_by_id(target_user.to_string())
if u is None:
raise NotFoundError("Unknown user")
await self.device_handler.delete_devices(target_user.to_string(), [device_id])
return HTTPStatus.OK, {}
async def on_PUT(
self, request: SynapseRequest, user_id: str, device_id: str
) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self.auth, request)
target_user = UserID.from_string(user_id)
if not self.is_mine(target_user):
raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only lookup local users")
u = await self.store.get_user_by_id(target_user.to_string())
if u is None:
raise NotFoundError("Unknown user")
body = parse_json_object_from_request(request, allow_empty_body=True)
await self.device_handler.update_device(
target_user.to_string(), device_id, body
)
return HTTPStatus.OK, {}
class DevicesRestServlet(RestServlet):
"""
Retrieve the given user's devices
"""
PATTERNS = admin_patterns("/users/(?P<user_id>[^/]*)/devices$", "v2")
def __init__(self, hs: "HomeServer"):
self.auth = hs.get_auth()
handler = hs.get_device_handler()
assert isinstance(handler, DeviceHandler)
self.device_handler = handler
self.store = hs.get_datastores().main
self.is_mine = hs.is_mine
async def on_GET(
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self.auth, request)
target_user = UserID.from_string(user_id)
if not self.is_mine(target_user):
raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only lookup local users")
u = await self.store.get_user_by_id(target_user.to_string())
if u is None:
raise NotFoundError("Unknown user")
devices = await self.device_handler.get_devices_by_user(target_user.to_string())
return HTTPStatus.OK, {"devices": devices, "total": len(devices)}
async def on_POST(
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
"""Creates a new device for the user."""
await assert_requester_is_admin(self.auth, request)
target_user = UserID.from_string(user_id)
if not self.is_mine(target_user):
raise SynapseError(
HTTPStatus.BAD_REQUEST, "Can only create devices for local users"
)
u = await self.store.get_user_by_id(target_user.to_string())
if u is None:
raise NotFoundError("Unknown user")
body = parse_json_object_from_request(request)
device_id = body.get("device_id")
if not device_id:
raise SynapseError(HTTPStatus.BAD_REQUEST, "Missing device_id")
if not isinstance(device_id, str):
raise SynapseError(HTTPStatus.BAD_REQUEST, "device_id must be a string")
await self.device_handler.check_device_registered(
user_id=user_id, device_id=device_id
)
return HTTPStatus.CREATED, {}
class DeleteDevicesRestServlet(RestServlet):
"""
API for bulk deletion of devices. Accepts a JSON object with a devices
key which lists the device_ids to delete.
"""
PATTERNS = admin_patterns("/users/(?P<user_id>[^/]*)/delete_devices$", "v2")
def __init__(self, hs: "HomeServer"):
self.auth = hs.get_auth()
handler = hs.get_device_handler()
assert isinstance(handler, DeviceHandler)
self.device_handler = handler
self.store = hs.get_datastores().main
self.is_mine = hs.is_mine
async def on_POST(
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self.auth, request)
target_user = UserID.from_string(user_id)
if not self.is_mine(target_user):
raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only lookup local users")
u = await self.store.get_user_by_id(target_user.to_string())
if u is None:
raise NotFoundError("Unknown user")
body = parse_json_object_from_request(request, allow_empty_body=False)
assert_params_in_dict(body, ["devices"])
await self.device_handler.delete_devices(
target_user.to_string(), body["devices"]
)
return HTTPStatus.OK, {}
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