mirror of https://git.tuxpa.in/a/code-server.git
39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as fs from 'fs';
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import * as crypto from 'crypto';
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import { once } from 'vs/base/common/functional';
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export async function checksum(path: string, sha1hash: string | undefined): Promise<void> {
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const checksumPromise = new Promise<string | undefined>((resolve, reject) => {
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const input = fs.createReadStream(path);
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const hash = crypto.createHash('sha1');
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input.pipe(hash);
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const done = once((err?: Error, result?: string) => {
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input.removeAllListeners();
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hash.removeAllListeners();
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if (err) {
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reject(err);
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} else {
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resolve(result);
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}
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});
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input.once('error', done);
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input.once('end', done);
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hash.once('error', done);
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hash.once('data', (data: Buffer) => done(undefined, data.toString('hex')));
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});
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const hash = await checksumPromise;
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if (hash !== sha1hash) {
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throw new Error('Hash mismatch');
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}
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}
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