80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
import http from "node:http";
|
|
import { readFile } from "node:fs/promises";
|
|
import { dirname, join } from "node:path";
|
|
import { fileURLToPath } from "node:url";
|
|
|
|
const __dirname = dirname(fileURLToPath(import.meta.url));
|
|
const htmlPath = join(__dirname, "baishun-game-test.html");
|
|
const port = Number(process.env.PORT || 8787);
|
|
const upstreamBase = (process.env.BAISHUN_API_BASE || "https://api-test.global-interaction.com").replace(/\/+$/, "");
|
|
|
|
function readBody(req) {
|
|
return new Promise((resolve, reject) => {
|
|
const chunks = [];
|
|
req.on("data", (chunk) => chunks.push(chunk));
|
|
req.on("end", () => resolve(Buffer.concat(chunks)));
|
|
req.on("error", reject);
|
|
});
|
|
}
|
|
|
|
function copyProxyHeaders(req) {
|
|
const headers = new Headers();
|
|
for (const [key, value] of Object.entries(req.headers)) {
|
|
if (!value) continue;
|
|
const lower = key.toLowerCase();
|
|
if (["host", "origin", "referer", "connection", "content-length"].includes(lower)) continue;
|
|
headers.set(key, Array.isArray(value) ? value.join(", ") : value);
|
|
}
|
|
return headers;
|
|
}
|
|
|
|
async function proxyApi(req, res) {
|
|
const targetUrl = `${upstreamBase}${req.url}`;
|
|
const body = req.method === "GET" || req.method === "HEAD" ? undefined : await readBody(req);
|
|
const upstream = await fetch(targetUrl, {
|
|
method: req.method,
|
|
headers: copyProxyHeaders(req),
|
|
body,
|
|
redirect: "manual",
|
|
});
|
|
const responseBody = Buffer.from(await upstream.arrayBuffer());
|
|
res.writeHead(upstream.status, {
|
|
"Content-Type": upstream.headers.get("content-type") || "application/octet-stream",
|
|
"Cache-Control": "no-store",
|
|
});
|
|
res.end(responseBody);
|
|
}
|
|
|
|
const server = http.createServer(async (req, res) => {
|
|
try {
|
|
if (req.method === "OPTIONS") {
|
|
res.writeHead(204);
|
|
res.end();
|
|
return;
|
|
}
|
|
if (req.url === "/" || req.url === "/baishun-game-test.html") {
|
|
const html = await readFile(htmlPath);
|
|
res.writeHead(200, {
|
|
"Content-Type": "text/html; charset=utf-8",
|
|
"Cache-Control": "no-store",
|
|
});
|
|
res.end(html);
|
|
return;
|
|
}
|
|
if (req.url?.startsWith("/api/")) {
|
|
await proxyApi(req, res);
|
|
return;
|
|
}
|
|
res.writeHead(404, { "Content-Type": "text/plain; charset=utf-8" });
|
|
res.end("not found");
|
|
} catch (err) {
|
|
res.writeHead(502, { "Content-Type": "text/plain; charset=utf-8" });
|
|
res.end(err instanceof Error ? err.message : String(err));
|
|
}
|
|
});
|
|
|
|
server.listen(port, "127.0.0.1", () => {
|
|
console.log(`Baishun game test page: http://127.0.0.1:${port}`);
|
|
console.log(`Proxy upstream: ${upstreamBase}`);
|
|
});
|