server.mjs - master - dyskolas/portfolioAI

server.mjs
68 строк2 KB
dyskolas
МЯУ
10 авг 2026, 03:08
10 авг 2026, 03:088e7cd5b
import { createServer } from "node:http";
import { createReadStream } from "node:fs";
import { stat } from "node:fs/promises";
import { extname, join, normalize } from "node:path";

const port = Number(process.env.PORT || 4173);
const root = process.cwd();
const mime = {
  ".css": "text/css; charset=utf-8",
  ".html": "text/html; charset=utf-8",
  ".js": "text/javascript; charset=utf-8",
  ".json": "application/json; charset=utf-8",
  ".mp4": "video/mp4",
  ".png": "image/png",
  ".svg": "image/svg+xml",
  ".webp": "image/webp"
};

createServer(async (request, response) => {
  try {
    const pathname = decodeURIComponent(new URL(request.url || "/", "http://localhost").pathname);
    const relative = pathname === "/" ? "index.html" : pathname.replace(/^\/+/, "");
    let target = normalize(join(root, relative));
    if (!target.startsWith(root)) {
      response.writeHead(403).end("Forbidden");
      return;
    }

    let info = await stat(target);
    if (info.isDirectory()) {
      target = join(target, "index.html");
      info = await stat(target);
    }

    const range = request.headers.range;
    const headers = {
      "Accept-Ranges": "bytes",
      "Cache-Control": "no-cache",
      "Content-Type": mime[extname(target).toLowerCase()] || "application/octet-stream"
    };

    if (range && /^bytes=\d*-\d*$/.test(range)) {
      const [rawStart, rawEnd] = range.replace("bytes=", "").split("-");
      const start = rawStart ? Number(rawStart) : 0;
      const end = rawEnd ? Math.min(Number(rawEnd), info.size - 1) : info.size - 1;
      if (start > end || start >= info.size) {
        response.writeHead(416, { "Content-Range": `bytes */${info.size}` }).end();
        return;
      }
      response.writeHead(206, {
        ...headers,
        "Content-Length": end - start + 1,
        "Content-Range": `bytes ${start}-${end}/${info.size}`
      });
      if (request.method === "HEAD") response.end();
      else createReadStream(target, { start, end }).pipe(response);
      return;
    }

    response.writeHead(200, { ...headers, "Content-Length": info.size });
    if (request.method === "HEAD") response.end();
    else createReadStream(target).pipe(response);
  } catch {
    response.writeHead(404, { "Content-Type": "text/plain; charset=utf-8" }).end("Not found");
  }
}).listen(port, "127.0.0.1", () => {
  console.log(`Aleksei Artemov Portfolio: http://localhost:${port}`);
});