72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
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const http = require("http");
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const https = require("https");
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const fs = require("fs");
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const path = require("path");
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const port = Number(process.env.PORT) || 18080;
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const root = __dirname;
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const apiOrigin = "https://qhse.cncecoa.com";
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const mimeTypes = {
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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": "application/javascript; charset=utf-8",
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".json": "application/json; charset=utf-8",
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".pdf": "application/pdf",
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".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
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};
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function proxyApi(request, response) {
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const target = new URL(request.url, apiOrigin);
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const headers = { ...request.headers, host: target.host };
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delete headers.origin;
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delete headers.referer;
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const proxyRequest = https.request(target, {
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method: request.method,
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headers
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}, (proxyResponse) => {
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response.writeHead(proxyResponse.statusCode || 502, proxyResponse.headers);
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proxyResponse.pipe(response);
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});
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proxyRequest.on("error", (error) => {
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response.writeHead(502, { "Content-Type": "application/json; charset=utf-8" });
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response.end(JSON.stringify({ code: 0, message: `接口代理失败：${error.message}`, data: null }));
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});
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request.pipe(proxyRequest);
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}
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function serveStatic(request, response) {
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const requestPath = decodeURIComponent(new URL(request.url, "http://localhost").pathname);
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const relativePath = requestPath === "/" ? "indexV2.html" : requestPath.replace(/^\/+/, "");
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const filePath = path.resolve(root, relativePath);
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if (filePath !== root && !filePath.startsWith(`${root}${path.sep}`)) {
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response.writeHead(403);
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response.end("Forbidden");
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return;
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}
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fs.stat(filePath, (statError, stat) => {
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if (statError || !stat.isFile()) {
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response.writeHead(404, { "Content-Type": "text/plain; charset=utf-8" });
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response.end("Not Found");
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return;
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}
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response.writeHead(200, {
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"Content-Type": mimeTypes[path.extname(filePath).toLowerCase()] || "application/octet-stream",
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"Cache-Control": "no-cache"
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});
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fs.createReadStream(filePath).pipe(response);
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});
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}
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http.createServer((request, response) => {
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if (request.url.startsWith("/qhse_webapi/")) {
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proxyApi(request, response);
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return;
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}
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serveStatic(request, response);
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}).listen(port, "127.0.0.1", () => {
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console.log(`数据治理看板：http://127.0.0.1:${port}/indexV2.html`);
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});
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