INNER CODE UNIT · JavaScript

sha256

tiliondev/fortress · sdk/node/index.js:50

export async function sha256(path) {
  const h = createHash("sha256");
  await pipeline(createReadStream(path), h);
  return h.digest("hex");
}

export async function expectedSha(asset, host) {
  try {
    const r = await fetch(`${host}/SHA256SUMS`);
    if (!r.ok) return null;
    for (const line of (await r.text()).split("\n")) {
      const p = line.trim().split(/\s+/);
      if (p.length === 2 && p[1].replace(/^\*/, "") === asset) return p[0].toLowerCase();
    }
  } catch { /* none */ }
  return null;
}

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