forked from mystiq/hydrogen-web
55 lines
1.9 KiB
TypeScript
55 lines
1.9 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 {DecryptionChanges} from "./DecryptionChanges";
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import {mergeMap} from "../../../../utils/mergeMap";
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import type {SessionDecryption} from "./SessionDecryption";
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import type {ReplayDetectionEntry} from "./ReplayDetectionEntry";
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/**
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* Class that contains all the state loaded from storage to decrypt the given events
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*/
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export class DecryptionPreparation {
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constructor(
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private readonly roomId: string,
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private readonly sessionDecryptions: SessionDecryption[],
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private errors: Map<string, Error>
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) {}
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async decrypt(): Promise<DecryptionChanges> {
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try {
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const errors = this.errors;
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const results = new Map();
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const replayEntries: ReplayDetectionEntry[] = [];
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await Promise.all(this.sessionDecryptions.map(async sessionDecryption => {
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const sessionResult = await sessionDecryption.decryptAll();
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mergeMap(sessionResult.errors, errors);
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mergeMap(sessionResult.results, results);
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replayEntries.push(...sessionResult.replayEntries);
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}));
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return new DecryptionChanges(this.roomId, results, errors, replayEntries);
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} finally {
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this.dispose();
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}
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}
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dispose(): void {
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for (const sd of this.sessionDecryptions) {
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sd.dispose();
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}
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}
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}
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