forked from mystiq/hydrogen-web
63 lines
2 KiB
TypeScript
63 lines
2 KiB
TypeScript
/*
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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 {MIN_UNICODE, MAX_UNICODE} from "./common";
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import {Store} from "../Store";
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interface InboundGroupSession {
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roomId: string;
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senderKey: string;
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sessionId: string;
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session?: string;
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claimedKeys?: { [algorithm : string] : string };
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eventIds?: string[];
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key: string;
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}
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function encodeKey(roomId: string, senderKey: string, sessionId: string): string {
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return `${roomId}|${senderKey}|${sessionId}`;
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}
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export class InboundGroupSessionStore {
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private _store: Store<InboundGroupSession>;
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constructor(store: Store<InboundGroupSession>) {
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this._store = store;
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}
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async has(roomId: string, senderKey: string, sessionId: string): Promise<boolean> {
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const key = encodeKey(roomId, senderKey, sessionId);
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const fetchedKey = await this._store.getKey(key);
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return key === fetchedKey;
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}
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get(roomId: string, senderKey: string, sessionId: string): Promise<InboundGroupSession | null> {
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return this._store.get(encodeKey(roomId, senderKey, sessionId));
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}
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set(session: InboundGroupSession): void {
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session.key = encodeKey(session.roomId, session.senderKey, session.sessionId);
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this._store.put(session);
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}
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removeAllForRoom(roomId: string) {
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const range = this._store.IDBKeyRange.bound(
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encodeKey(roomId, MIN_UNICODE, MIN_UNICODE),
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encodeKey(roomId, MAX_UNICODE, MAX_UNICODE)
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);
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this._store.delete(range);
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}
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}
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