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Make updates atomic again

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This commit is contained in:
Fedor Indutny
2022-03-03 14:34:51 -08:00
committed by GitHub
parent c87cb59676
commit 26100ea562
5 changed files with 162 additions and 94 deletions
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5
ts/updater/util.ts
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@@ -2,6 +2,7 @@
// SPDX-License-Identifier: AGPL-3.0-only
import { createReadStream } from 'fs';
import { pipeline } from 'stream/promises';
import { createHash } from 'crypto';
import * as Errors from '../types/errors';
@@ -23,9 +24,7 @@ export async function checkIntegrity(
): Promise<CheckIntegrityResultType> {
try {
const hash = createHash('sha512');
for await (const chunk of createReadStream(fileName)) {
hash.update(chunk);
}
await pipeline(createReadStream(fileName), hash);
const actualSHA512 = hash.digest('base64');
if (sha512 === actualSHA512) {