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31 lines
756 B
TypeScript
31 lines
756 B
TypeScript
import crypto from 'crypto';
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import { pipeline } from 'stream/promises';
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import type { LiteralUnion } from 'type-fest';
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export type AlgorithmName = LiteralUnion<
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'sha1' | 'sha224' | 'sha256' | 'sha384' | 'sha512',
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string
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>;
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export function hash(
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data: string | Buffer,
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algorithm: AlgorithmName = 'sha512',
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): string {
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const hash = crypto.createHash(algorithm);
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hash.update(data);
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return hash.digest('hex');
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}
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export function toSha256(input: string): string {
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return hash(input, 'sha256');
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}
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export async function hashStream(
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inputStream: NodeJS.ReadableStream,
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algorithm: AlgorithmName = 'sha512',
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): Promise<string> {
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const hash = crypto.createHash(algorithm);
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await pipeline(inputStream, hash);
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return hash.digest('hex');
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}
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