Michael Telatynski
73 lines
2.3 KiB
TypeScript
73 lines
2.3 KiB
TypeScript
/*
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Copyright 2018 - 2021 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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/**
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* @module crypto/RoomList
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*
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* Manages the list of encrypted rooms
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*/
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import { IndexedDBCryptoStore } from './store/indexeddb-crypto-store';
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import { CryptoStore } from "../client";
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/* eslint-disable camelcase */
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interface IRoomEncryption {
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algorithm: string;
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rotation_period_ms: number;
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rotation_period_msgs: number;
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}
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/* eslint-enable camelcase */
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/**
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* @alias module:crypto/RoomList
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*/
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export class RoomList {
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// Object of roomId -> room e2e info object (body of the m.room.encryption event)
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private roomEncryption: Record<string, IRoomEncryption> = {};
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constructor(private readonly cryptoStore: CryptoStore) {}
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public async init(): Promise<void> {
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await this.cryptoStore.doTxn(
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'readwrite', [IndexedDBCryptoStore.STORE_ROOMS], (txn) => {
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this.cryptoStore.getEndToEndRooms(txn, (result) => {
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this.roomEncryption = result;
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});
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},
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);
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}
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public getRoomEncryption(roomId: string): IRoomEncryption {
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return this.roomEncryption[roomId] || null;
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}
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public isRoomEncrypted(roomId: string): boolean {
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return Boolean(this.getRoomEncryption(roomId));
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}
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public async setRoomEncryption(roomId: string, roomInfo: IRoomEncryption): Promise<void> {
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// important that this happens before calling into the store
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// as it prevents the Crypto::setRoomEncryption from calling
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// this twice for consecutive m.room.encryption events
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this.roomEncryption[roomId] = roomInfo;
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await this.cryptoStore.doTxn(
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'readwrite', [IndexedDBCryptoStore.STORE_ROOMS], (txn) => {
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this.cryptoStore.storeEndToEndRoom(roomId, roomInfo, txn);
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},
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);
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}
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}
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