Merge pull request #956 from matrix-org/rav/check_device_id_on_key_upload

Make the device id on e2e key upload optional
This commit is contained in:
Richard van der Hoff 2016-07-27 18:16:57 +01:00 committed by GitHub
commit 40e539683c
4 changed files with 75 additions and 11 deletions

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@ -143,6 +143,10 @@ class DeviceHandler(BaseHandler):
delete_refresh_tokens=True,
)
yield self.store.delete_e2e_keys_by_device(
user_id=user_id, device_id=device_id
)
@defer.inlineCallbacks
def update_device(self, user_id, device_id, content):
""" Update the given device

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@ -19,6 +19,9 @@ import simplejson as json
from canonicaljson import encode_canonical_json
from twisted.internet import defer
import synapse.api.errors
import synapse.server
import synapse.types
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.types import UserID
from ._base import client_v2_patterns
@ -28,7 +31,7 @@ logger = logging.getLogger(__name__)
class KeyUploadServlet(RestServlet):
"""
POST /keys/upload/<device_id> HTTP/1.1
POST /keys/upload HTTP/1.1
Content-Type: application/json
{
@ -51,23 +54,45 @@ class KeyUploadServlet(RestServlet):
},
}
"""
PATTERNS = client_v2_patterns("/keys/upload/(?P<device_id>[^/]*)", releases=())
PATTERNS = client_v2_patterns("/keys/upload(/(?P<device_id>[^/]+))?$",
releases=())
def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer): server
"""
super(KeyUploadServlet, self).__init__()
self.store = hs.get_datastore()
self.clock = hs.get_clock()
self.auth = hs.get_auth()
self.device_handler = hs.get_device_handler()
@defer.inlineCallbacks
def on_POST(self, request, device_id):
requester = yield self.auth.get_user_by_req(request)
user_id = requester.user.to_string()
# TODO: Check that the device_id matches that in the authentication
# or derive the device_id from the authentication instead.
body = parse_json_object_from_request(request)
if device_id is not None:
# passing the device_id here is deprecated; however, we allow it
# for now for compatibility with older clients.
if (requester.device_id is not None and
device_id != requester.device_id):
logger.warning("Client uploading keys for a different device "
"(logged in as %s, uploading for %s)",
requester.device_id, device_id)
else:
device_id = requester.device_id
if device_id is None:
raise synapse.api.errors.SynapseError(
400,
"To upload keys, you must pass device_id when authenticating"
)
time_now = self.clock.time_msec()
# TODO: Validate the JSON to make sure it has the right keys.
@ -100,13 +125,14 @@ class KeyUploadServlet(RestServlet):
user_id, device_id, time_now, key_list
)
result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
defer.returnValue((200, {"one_time_key_counts": result}))
@defer.inlineCallbacks
def on_GET(self, request, device_id):
requester = yield self.auth.get_user_by_req(request)
user_id = requester.user.to_string()
# the device should have been registered already, but it may have been
# deleted due to a race with a DELETE request. Or we may be using an
# old access_token without an associated device_id. Either way, we
# need to double-check the device is registered to avoid ending up with
# keys without a corresponding device.
self.device_handler.check_device_registered(
user_id, device_id, "unknown device"
)
result = yield self.store.count_e2e_one_time_keys(user_id, device_id)
defer.returnValue((200, {"one_time_key_counts": result}))

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@ -13,6 +13,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import twisted.internet.defer
from ._base import SQLBaseStore
@ -123,3 +125,16 @@ class EndToEndKeyStore(SQLBaseStore):
return self.runInteraction(
"claim_e2e_one_time_keys", _claim_e2e_one_time_keys
)
@twisted.internet.defer.inlineCallbacks
def delete_e2e_keys_by_device(self, user_id, device_id):
yield self._simple_delete(
table="e2e_device_keys_json",
keyvalues={"user_id": user_id, "device_id": device_id},
desc="delete_e2e_device_keys_by_device"
)
yield self._simple_delete(
table="e2e_one_time_keys_json",
keyvalues={"user_id": user_id, "device_id": device_id},
desc="delete_e2e_one_time_keys_by_device"
)

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@ -0,0 +1,19 @@
/* Copyright 2016 OpenMarket Ltd
*
* 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.
*/
-- make sure that we have a device record for each set of E2E keys, so that the
-- user can delete them if they like.
INSERT INTO devices
SELECT user_id, device_id, 'unknown device' FROM e2e_device_keys_json;