diff options
Diffstat (limited to 'synapse')
-rw-r--r-- | synapse/storage/devices.py | 66 | ||||
-rw-r--r-- | synapse/storage/end_to_end_keys.py | 2 | ||||
-rw-r--r-- | synapse/storage/schema/delta/56/hidden_devices.sql | 18 |
3 files changed, 66 insertions, 20 deletions
diff --git a/synapse/storage/devices.py b/synapse/storage/devices.py index 8f72d92895..e7800da4f7 100644 --- a/synapse/storage/devices.py +++ b/synapse/storage/devices.py @@ -1,5 +1,7 @@ # -*- coding: utf-8 -*- # Copyright 2016 OpenMarket Ltd +# Copyright 2019 New Vector Ltd +# Copyright 2019 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -20,7 +22,7 @@ from canonicaljson import json from twisted.internet import defer -from synapse.api.errors import StoreError +from synapse.api.errors import Codes, StoreError from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage._base import Cache, SQLBaseStore, db_to_json from synapse.storage.background_updates import BackgroundUpdateStore @@ -36,7 +38,8 @@ DROP_DEVICE_LIST_STREAMS_NON_UNIQUE_INDEXES = ( class DeviceWorkerStore(SQLBaseStore): def get_device(self, user_id, device_id): - """Retrieve a device. + """Retrieve a device. Only returns devices that are not marked as + hidden. Args: user_id (str): The ID of the user which owns the device @@ -48,14 +51,15 @@ class DeviceWorkerStore(SQLBaseStore): """ return self._simple_select_one( table="devices", - keyvalues={"user_id": user_id, "device_id": device_id}, - retcols=("user_id", "device_id", "display_name"), + keyvalues={"user_id": user_id, "device_id": device_id, "hidden": False}, + retcols=("user_id", "device_id", "display_name", "hidden"), desc="get_device", ) @defer.inlineCallbacks def get_devices_by_user(self, user_id): - """Retrieve all of a user's registered devices. + """Retrieve all of a user's registered devices. Only returns devices + that are not marked as hidden. Args: user_id (str): @@ -66,7 +70,7 @@ class DeviceWorkerStore(SQLBaseStore): """ devices = yield self._simple_select_list( table="devices", - keyvalues={"user_id": user_id}, + keyvalues={"user_id": user_id, "hidden": False}, retcols=("user_id", "device_id", "display_name"), desc="get_devices_by_user", ) @@ -540,6 +544,8 @@ class DeviceStore(DeviceWorkerStore, BackgroundUpdateStore): Returns: defer.Deferred: boolean whether the device was inserted or an existing device existed with that ID. + Raises: + StoreError: if the device is already in use """ key = (user_id, device_id) if self.device_id_exists_cache.get(key, None): @@ -552,12 +558,25 @@ class DeviceStore(DeviceWorkerStore, BackgroundUpdateStore): "user_id": user_id, "device_id": device_id, "display_name": initial_device_display_name, + "hidden": False, }, desc="store_device", or_ignore=True, ) + if not inserted: + # if the device already exists, check if it's a real device, or + # if the device ID is reserved by something else + hidden = yield self._simple_select_one_onecol( + "devices", + keyvalues={"user_id": user_id, "device_id": device_id}, + retcol="hidden", + ) + if hidden: + raise StoreError(400, "The device ID is in use", Codes.FORBIDDEN) self.device_id_exists_cache.prefill(key, True) return inserted + except StoreError: + raise except Exception as e: logger.error( "store_device with device_id=%s(%r) user_id=%s(%r)" @@ -582,11 +601,11 @@ class DeviceStore(DeviceWorkerStore, BackgroundUpdateStore): Returns: defer.Deferred """ - yield self._simple_delete_one( - table="devices", - keyvalues={"user_id": user_id, "device_id": device_id}, - desc="delete_device", - ) + sql = """ + DELETE FROM devices + WHERE user_id = ? AND device_id = ? AND NOT hidden + """ + yield self._execute("delete_device", None, sql, user_id, device_id) self.device_id_exists_cache.invalidate((user_id, device_id)) @@ -600,18 +619,27 @@ class DeviceStore(DeviceWorkerStore, BackgroundUpdateStore): Returns: defer.Deferred """ - yield self._simple_delete_many( - table="devices", - column="device_id", - iterable=device_ids, - keyvalues={"user_id": user_id}, - desc="delete_devices", + + if not device_ids or len(device_ids) == 0: + return + sql = """ + DELETE FROM devices + WHERE user_id = ? AND device_id IN (%s) AND NOT hidden + """ % ( + ",".join("?" for _ in device_ids) ) + values = [user_id] + values.extend(device_ids) + values.append(False) + + yield self._execute("delete_devices", None, sql, *values) + for device_id in device_ids: self.device_id_exists_cache.invalidate((user_id, device_id)) def update_device(self, user_id, device_id, new_display_name=None): - """Update a device. + """Update a device. Only updates the device if it is not marked as + hidden. Args: user_id (str): The ID of the user which owns the device @@ -630,7 +658,7 @@ class DeviceStore(DeviceWorkerStore, BackgroundUpdateStore): return defer.succeed(None) return self._simple_update_one( table="devices", - keyvalues={"user_id": user_id, "device_id": device_id}, + keyvalues={"user_id": user_id, "device_id": device_id, "hidden": False}, updatevalues=updates, desc="update_device", ) diff --git a/synapse/storage/end_to_end_keys.py b/synapse/storage/end_to_end_keys.py index 1e07474e70..6f524cedd9 100644 --- a/synapse/storage/end_to_end_keys.py +++ b/synapse/storage/end_to_end_keys.py @@ -85,7 +85,7 @@ class EndToEndKeyWorkerStore(SQLBaseStore): " k.key_json" " FROM devices d" " %s JOIN e2e_device_keys_json k USING (user_id, device_id)" - " WHERE %s" + " WHERE %s AND NOT d.hidden" ) % ( "LEFT" if include_all_devices else "INNER", " OR ".join("(" + q + ")" for q in query_clauses), diff --git a/synapse/storage/schema/delta/56/hidden_devices.sql b/synapse/storage/schema/delta/56/hidden_devices.sql new file mode 100644 index 0000000000..67f8b20297 --- /dev/null +++ b/synapse/storage/schema/delta/56/hidden_devices.sql @@ -0,0 +1,18 @@ +/* Copyright 2019 New Vector 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. + */ + +-- device list needs to know which ones are "real" devices, and which ones are +-- just used to avoid collisions +ALTER TABLE devices ADD COLUMN hidden BOOLEAN DEFAULT FALSE; |