56 lines
1.9 KiB
JavaScript
56 lines
1.9 KiB
JavaScript
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/**
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* 官网本地预览用的最小静态服务器 —— 只是为了 `node serve.mjs` 能直接看页面。
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* 正式发布时把 website/ 整个目录丢给任意静态托管 / Nginx 即可，不需要这个文件。
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*
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* node website/serve.mjs → http://127.0.0.1:5180
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* PORT=8080 node website/serve.mjs
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*/
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import { createServer } from 'node:http';
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import { readFile, stat } from 'node:fs/promises';
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import { extname, join, normalize, resolve, sep } from 'node:path';
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import { fileURLToPath } from 'node:url';
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const ROOT = resolve(fileURLToPath(new URL('.', import.meta.url)));
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const PORT = Number(process.env.PORT ?? 5180);
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const MIME = {
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'.html': 'text/html; charset=utf-8',
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'.css': 'text/css; charset=utf-8',
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'.js': 'text/javascript; charset=utf-8',
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'.png': 'image/png',
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'.jpg': 'image/jpeg',
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'.svg': 'image/svg+xml',
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'.ico': 'image/x-icon',
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'.webmanifest': 'application/manifest+json',
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'.woff2': 'font/woff2',
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};
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const server = createServer(async (request, response) => {
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const url = new URL(request.url ?? '/', 'http://localhost');
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const requested = decodeURIComponent(url.pathname);
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const target = normalize(join(ROOT, requested === '/' ? 'index.html' : requested));
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// 目录穿越防护：解析结果必须仍在 ROOT 里
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if (target !== ROOT && !target.startsWith(ROOT + sep)) {
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response.writeHead(403).end('Forbidden');
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return;
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}
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try {
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const info = await stat(target);
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const file = info.isDirectory() ? join(target, 'index.html') : target;
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const body = await readFile(file);
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response.writeHead(200, {
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'content-type': MIME[extname(file)] ?? 'application/octet-stream',
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'cache-control': 'no-store',
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});
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response.end(body);
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} catch {
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response.writeHead(404, { 'content-type': 'text/plain; charset=utf-8' }).end('404');
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}
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});
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server.listen(PORT, '127.0.0.1', () => {
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console.log(`官网预览：http://127.0.0.1:${PORT}`);
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});
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