forked from mystiq/hydrogen-web
78 lines
2.4 KiB
JavaScript
78 lines
2.4 KiB
JavaScript
/*
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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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import {MAX_UNICODE, MIN_UNICODE} from "./common";
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function encodeKey(userId, deviceId) {
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return `${userId}|${deviceId}`;
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}
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function decodeKey(key) {
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const [userId, deviceId] = key.split("|");
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return {userId, deviceId};
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}
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export class DeviceIdentityStore {
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constructor(store) {
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this._store = store;
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}
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getAllForUserId(userId) {
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const range = this._store.IDBKeyRange.lowerBound(encodeKey(userId, ""));
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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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async getAllDeviceIds(userId) {
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const deviceIds = [];
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const range = this._store.IDBKeyRange.lowerBound(encodeKey(userId, ""));
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await this._store.iterateKeys(range, key => {
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const decodedKey = decodeKey(key);
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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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get(userId, deviceId) {
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return this._store.get(encodeKey(userId, deviceId));
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}
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set(deviceIdentity) {
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deviceIdentity.key = encodeKey(deviceIdentity.userId, deviceIdentity.deviceId);
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this._store.put(deviceIdentity);
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}
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getByCurve25519Key(curve25519Key) {
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return this._store.index("byCurve25519Key").get(curve25519Key);
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}
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remove(userId, deviceId) {
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this._store.delete(encodeKey(userId, deviceId));
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}
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removeAllForUser(userId) {
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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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const range = this._store.IDBKeyRange.bound(encodeKey(userId, MIN_UNICODE), encodeKey(userId, MAX_UNICODE), true, true);
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this._store.delete(range);
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}
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}
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