dwnpm
Version:
Decentralized Registry Package Manager (DRPM) helps developers publish, install, find and manage Decentralized Packages (DPKs) published to Decentralized Web Nodes (DWNs). DRPM does this by looking up a Decentralized Identifier (DID) to find its DID docum
24 lines • 905 B
JavaScript
import { createHash } from 'crypto';
import { readFile } from 'fs/promises';
export class DIntegrity {
static async sha512Integrity({ format, data }) {
return format === 'stream' || data instanceof ReadableStream
? await DIntegrity.sha512IntegrityStream(data)
: await DIntegrity.sha512IntegrityFile(data);
}
static async sha512IntegrityStream(stream) {
const hash = createHash('sha512');
const reader = stream.getReader();
while (true) {
const { done, value } = await reader.read();
if (done)
break;
hash.update(value);
}
return `sha512-${hash.digest('base64')}`;
}
static async sha512IntegrityFile(tgzFilepath) {
return `sha512-${createHash('sha512').update(await readFile(tgzFilepath)).digest('base64')}`;
}
}
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