2020-08-31 18:08:03 +05:30
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/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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2021-08-12 02:24:33 +05:30
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import {MAX_UNICODE, MIN_UNICODE} from "./common";
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2021-08-12 05:14:38 +05:30
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import {Store} from "../Store";
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2021-05-06 18:53:58 +05:30
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2021-08-12 05:14:38 +05:30
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interface DeviceIdentity {
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userId: string;
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deviceId: string;
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ed25519Key: string;
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curve25519Key: string;
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algorithms: string[];
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displayName: string;
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key: string;
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}
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function encodeKey(userId: string, deviceId: string): string {
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2020-08-31 18:08:03 +05:30
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return `${userId}|${deviceId}`;
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}
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2021-08-12 05:14:38 +05:30
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function decodeKey(key: string): { userId: string, deviceId: string } {
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2020-09-14 19:14:47 +05:30
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const [userId, deviceId] = key.split("|");
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return {userId, deviceId};
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}
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2020-08-31 18:08:03 +05:30
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export class DeviceIdentityStore {
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2021-08-12 05:14:38 +05:30
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private _store: Store<DeviceIdentity>;
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constructor(store: Store<DeviceIdentity>) {
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2020-08-31 18:08:03 +05:30
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this._store = store;
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}
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2021-08-12 05:14:38 +05:30
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getAllForUserId(userId: string): Promise<DeviceIdentity[]> {
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2021-06-02 16:01:13 +05:30
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const range = this._store.IDBKeyRange.lowerBound(encodeKey(userId, ""));
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2020-08-31 18:08:03 +05:30
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return this._store.selectWhile(range, device => {
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return device.userId === userId;
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});
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}
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2021-08-12 05:14:38 +05:30
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async getAllDeviceIds(userId: string): Promise<string[]> {
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const deviceIds: string[] = [];
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2021-06-02 16:01:13 +05:30
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const range = this._store.IDBKeyRange.lowerBound(encodeKey(userId, ""));
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2020-09-14 19:14:47 +05:30
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await this._store.iterateKeys(range, key => {
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const decodedKey = decodeKey(key as string);
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2020-09-14 19:14:47 +05:30
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// prevent running into the next room
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if (decodedKey.userId === userId) {
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deviceIds.push(decodedKey.deviceId);
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return false; // fetch more
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}
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return true; // done
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});
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return deviceIds;
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}
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2021-08-12 05:14:38 +05:30
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get(userId: string, deviceId: string): Promise<DeviceIdentity | null> {
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return this._store.get(encodeKey(userId, deviceId));
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}
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2021-09-01 03:18:38 +05:30
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set(deviceIdentity: DeviceIdentity): void {
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deviceIdentity.key = encodeKey(deviceIdentity.userId, deviceIdentity.deviceId);
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2020-09-08 22:00:45 +05:30
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this._store.put(deviceIdentity);
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2020-08-31 18:08:03 +05:30
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}
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2020-09-08 14:20:39 +05:30
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2021-08-12 05:14:38 +05:30
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getByCurve25519Key(curve25519Key: string): Promise<DeviceIdentity | null> {
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2020-09-08 14:20:39 +05:30
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return this._store.index("byCurve25519Key").get(curve25519Key);
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}
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2020-09-14 19:14:47 +05:30
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2021-09-17 21:54:24 +05:30
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remove(userId: string, deviceId: string): void {
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this._store.delete(encodeKey(userId, deviceId));
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2020-09-14 19:14:47 +05:30
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}
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2021-05-06 18:53:58 +05:30
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2021-09-17 21:54:24 +05:30
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removeAllForUser(userId: string): void {
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2021-05-06 18:53:58 +05:30
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// exclude both keys as they are theoretical min and max,
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// but we should't have a match for just the room id, or room id with max
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2021-06-02 16:01:13 +05:30
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const range = this._store.IDBKeyRange.bound(encodeKey(userId, MIN_UNICODE), encodeKey(userId, MAX_UNICODE), true, true);
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2021-09-17 21:54:24 +05:30
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this._store.delete(range);
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}
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2020-08-31 18:08:03 +05:30
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}
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