Add a windows11 target that downloads the Windows 11 ISO with headless Chromium

Move the Node.js script and its dependencies into nodejs/ and let
download-images.sh call it for the image architecture.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

nodejs/get-windows-iso-url.js

@@ -0,0 +1,112 @@
+#!/usr/bin/env node
+// Print a signed, temporary download URL for the Windows 11 ISO by driving
+// Microsoft's download page with headless Chromium.
+//
+// Usage: node get-windows-iso-url.js [--arch x64|arm64] [--lang NAME]
+// Environment:
+//   PLAYWRIGHT_CORE  playwright-core directory (default: node_modules here)
+//   CHROME_PATH      Chromium executable (default: newest one in ~/.cache/ms-playwright)
+// The URL expires after about 24 hours and may be bound to the IP that
+// requested it. Only the URL goes to stdout; logs go to stderr.
+
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+
+const args = process.argv.slice(2);
+if (args.includes('--help') || args.includes('-h')) {
+  console.log(`Usage: node get-windows-iso-url.js [options]
+
+Print a signed, temporary download URL for the Windows 11 ISO (only the URL
+goes to stdout; logs go to stderr).
+
+Options:
+  --arch <x64|arm64>   Architecture, default: the host's (x64 on amd64 hosts)
+  --lang <name>        Language, default "English (United States)",
+                       for example "Chinese Simplified"
+  -h, --help           Show this help
+
+Environment:
+  PLAYWRIGHT_CORE      playwright-core directory (default: node_modules here)
+  CHROME_PATH          Chromium executable (default: newest one in
+                       ~/.cache/ms-playwright)
+
+Examples:
+  node get-windows-iso-url.js --arch x64 --lang "Chinese Simplified"
+  wget -c "$(node get-windows-iso-url.js 2>/dev/null)"
+
+The URL expires after about 24 hours and may be bound to the IP that
+requested it.`);
+  process.exit(0);
+}
+const opt = (name, def) => {
+  const i = args.indexOf(name);
+  return i < 0 ? def : (args[i + 1] && !args[i + 1].startsWith('--') ? args[i + 1] : true);
+};
+const hostArch = { x64: 'x64', arm64: 'arm64' }[process.arch];
+const arch = opt('--arch', hostArch);
+const lang = opt('--lang', 'English (United States)');
+const pages = { arm64: 'windows11arm64', x64: 'windows11' };
+if (!pages[arch]) {
+  console.error(arch === undefined ? `unsupported host architecture ${process.arch}: pass --arch x64|arm64` : '--arch must be x64 or arm64');
+  process.exit(2);
+}
+const log = (...a) => console.error('[iso]', ...a);
+
+function findPlaywright() {
+  if (process.env.PLAYWRIGHT_CORE) return process.env.PLAYWRIGHT_CORE;
+  try { return path.dirname(require.resolve('playwright-core/package.json')); } catch {}
+  console.error('playwright-core not found: run npm ci or set PLAYWRIGHT_CORE');
+  process.exit(2);
+}
+
+function findChrome() {
+  if (process.env.CHROME_PATH) return process.env.CHROME_PATH;
+  const root = path.join(os.homedir(), '.cache/ms-playwright');
+  const dirs = fs.existsSync(root) ? fs.readdirSync(root).filter(d => /^chromium-\d+$/.test(d)).sort() : [];
+  if (!dirs.length) { console.error('Chromium not found: set CHROME_PATH or run npx playwright-core install chromium'); process.exit(2); }
+  return path.join(root, dirs.pop(), 'chrome-linux64/chrome');
+}
+
+(async () => {
+  const { chromium } = require(findPlaywright());
+  const browser = await chromium.launch({ executablePath: findChrome(), headless: true });
+  try {
+    const ctx = await browser.newContext({
+      locale: 'en-US',
+      userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0 Safari/537.36',
+    });
+    const page = await ctx.newPage();
+
+    let api = null;
+    page.on('response', async r => {
+      if (/GetProductDownloadLinks/i.test(r.url())) api = await r.json().catch(() => null);
+    });
+
+    log('opening', pages[arch]);
+    await page.goto(`https://www.microsoft.com/en-us/software-download/${pages[arch]}`, { waitUntil: 'networkidle', timeout: 60000 });
+    await page.click('button:has-text("Accept")', { timeout: 3000 }).catch(() => {});
+
+    // Pick the first real edition (currently the only multi-edition ISO).
+    const edition = await page.$$eval('#product-edition option', o => o.map(x => x.value).find(v => v && v !== 'null'));
+    if (!edition) throw new Error('no edition option found; the page layout may have changed');
+    await page.selectOption('#product-edition', edition);
+    await page.click('#submit-product-edition');
+
+    await page.waitForSelector('#product-languages option:not([value="null"])', { state: 'attached', timeout: 60000 });
+    const langs = await page.$$eval('#product-languages option', o => o.map(x => ({ value: x.value, text: x.text })));
+    const hit = langs.find(l => l.text === lang);
+    if (!hit) throw new Error(`no language "${lang}"; available: ${langs.map(l => l.text).filter(t => t !== 'Choose one').join(', ')}`);
+    await page.selectOption('#product-languages', hit.value);
+    await page.click('#submit-sku');
+
+    await page.waitForSelector('a[href*="prss.microsoft.com"]', { timeout: 60000 });
+    const url = await page.$eval('a[href*="prss.microsoft.com"]', a => a.href);
+    const opts = api && api.ProductDownloadOptions;
+    log(opts ? opts[0].Name : '(API response not captured)', '| expires:', api && api.DownloadExpirationDatetime);
+    console.log(url);
+
+  } finally {
+    await browser.close();
+  }
+})().catch(e => { console.error('[iso] failed:', e.message); process.exit(1); });

nodejs/package-lock.json

@@ -0,0 +1,28 @@
+{
+  "name": "win-iso",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "win-iso",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "playwright-core": "^1.64.1"
+      }
+    },
+    "node_modules/playwright-core": {
+      "version": "1.64.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.64.1.tgz",
+      "integrity": "sha512-BC4s8y6SEVA6Q1rSxZTto8hI1KUI3xXlHGZgvGqP4IqPdI/a6FX9H29IDNz7vKo9l21b6LfYosScPL6M3xxyDQ==",
+      "license": "Apache-2.0",
+      "bin": {
+        "playwright-core": "cli.js"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    }
+  }
+}

nodejs/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "win-iso",
+  "version": "1.0.0",
+  "description": "",
+  "main": "get-windows-iso-url.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "dependencies": {
+    "playwright-core": "^1.64.1"
+  }
+}