feat: bootstrap portable Node runtimes

2026-08-18 13:53:54 +00:00
parent 2e275b684d
commit dd189c2acb
22 changed files with 900 additions and 96 deletions
@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+import { readFileSync } from "node:fs";
+
+const catalog = JSON.parse(readFileSync(new URL("../distribution/node-runtime.json", import.meta.url), "utf8"));
+const expected = new Map(Object.values(catalog.platforms).map((value) => [value.file, value.sha256]));
+const results = await Promise.all(catalog.sourceBases.map(checkSource));
+for (const result of results) {
+  console.log(`${result.ok ? "OK" : "FAIL"} ${result.host}: ${result.message}`);
+}
+const official = results.find((result) => result.host === "nodejs.org");
+const domestic = results.filter((result) => result.host !== "nodejs.org");
+if (!official?.ok) throw new Error("Node 官方精确版本源不可用或校验清单不匹配");
+if (!domestic.some((result) => result.ok)) throw new Error("没有可用且校验一致的国内 Node 下载源");
+
+async function checkSource(sourceBase) {
+  const base = new URL(sourceBase);
+  const controller = new AbortController();
+  const timeout = setTimeout(() => controller.abort(), 20_000);
+  timeout.unref();
+  try {
+    const checksumResponse = await fetch(new URL("SHASUMS256.txt", base), { signal: controller.signal });
+    if (!checksumResponse.ok) return failure(base, `SHASUMS256.txt HTTP ${checksumResponse.status}`);
+    const checksums = parseChecksums(await checksumResponse.text());
+    for (const [file, sha256] of expected) {
+      if (checksums.get(file) !== sha256) return failure(base, `${file} 的官方 SHA-256 不匹配或缺失`);
+    }
+    const heads = await Promise.all([...expected.keys()].map(async (file) => {
+      const response = await fetch(new URL(file, base), { method: "HEAD", signal: controller.signal });
+      return { file, status: response.status, ok: response.ok };
+    }));
+    const unavailable = heads.filter((item) => !item.ok);
+    if (unavailable.length) return failure(base, `${unavailable[0].file} HTTP ${unavailable[0].status}`);
+    return { host: base.host, ok: true, message: `${expected.size} 个三平台制品可用且哈希一致` };
+  } catch (error) {
+    return failure(base, error instanceof Error ? error.message : String(error));
+  } finally {
+    clearTimeout(timeout);
+  }
+}
+
+function parseChecksums(body) {
+  const values = new Map();
+  for (const line of body.split(/\r?\n/)) {
+    const match = /^([a-f0-9]{64})\s+\*?(.+)$/.exec(line.trim());
+    if (match) values.set(match[2], match[1]);
+  }
+  return values;
+}
+
+function failure(base, message) { return { host: base.host, ok: false, message }; }