138 lines
4.0 KiB
JavaScript
138 lines
4.0 KiB
JavaScript
// Minimal local simulator for testing SAN01 replacement only.
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// - Serves the exported "out" folder.
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// - For text files (.html, .js, .json, .css, .txt) replaces <%=SAN01%> -> "ismail" on the fly.
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// - Supports mapping /CPL?/path to /path in the export.
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import http from "http";
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import fs from "fs";
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import path from "path";
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const PORT = process.env.PORT ? Number(process.env.PORT) : 3030;
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const ROOT = path.join(process.cwd(), "out");
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function exists(p) {
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try {
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fs.accessSync(p, fs.constants.F_OK);
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return true;
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} catch {
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return false;
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}
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}
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function contentTypeByExt(ext) {
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switch (ext) {
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case ".html":
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return "text/html; charset=utf-8";
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case ".js":
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return "application/javascript; charset=utf-8";
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case ".json":
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return "application/json; charset=utf-8";
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case ".css":
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return "text/css; charset=utf-8";
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case ".txt":
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return "text/plain; charset=utf-8";
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case ".svg":
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return "image/svg+xml";
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case ".png":
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return "image/png";
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case ".jpg":
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case ".jpeg":
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return "image/jpeg";
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case ".ico":
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return "image/x-icon";
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default:
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return "application/octet-stream";
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}
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}
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function isTextExt(ext) {
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return [".html", ".js", ".json", ".css", ".txt", ".svg"].includes(ext);
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}
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function sendFileWithSAN01Replace(res, filePath) {
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const ext = path.extname(filePath).toLowerCase();
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const type = contentTypeByExt(ext);
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if (isTextExt(ext)) {
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try {
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let content = fs.readFileSync(filePath, "utf8");
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content = content.replace(/<%=SAN01%>/g, "ismail");
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res.writeHead(200, { "Content-Type": type });
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res.end(content);
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return;
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} catch {
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// fall through to stream as binary if read fails
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}
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}
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res.writeHead(200, { "Content-Type": type });
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fs.createReadStream(filePath).pipe(res);
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}
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function notFound(res) {
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res.writeHead(404, { "Content-Type": "text/plain; charset=utf-8" });
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res.end("Not Found");
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}
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const server = http.createServer((req, res) => {
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try {
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const url = new URL(req.url, `http://localhost:${PORT}`);
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const pathname = decodeURIComponent(url.pathname);
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const rawQuery = req.url.includes("?") ? req.url.split("?")[1] : "";
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// Minimal CPL? mapping: /CPL?/CPL/... -> /CPL/...
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if (pathname === "/CPL" && rawQuery) {
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const q = decodeURIComponent(rawQuery);
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if (q.startsWith("/")) {
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const rel = q.replace(/^\/+/, "");
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const target = path.join(ROOT, rel);
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if (exists(target) && fs.statSync(target).isFile()) {
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return sendFileWithSAN01Replace(res, target);
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}
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if (exists(target) && fs.statSync(target).isDirectory()) {
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const indexFile = path.join(target, "index.html");
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if (exists(indexFile))
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return sendFileWithSAN01Replace(res, indexFile);
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}
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return notFound(res);
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}
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// Non-file commands: just 200 OK
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res.writeHead(200, { "Content-Type": "text/plain; charset=utf-8" });
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res.end("OK");
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return;
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}
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// Static serving from export
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let filePath = path.join(ROOT, pathname);
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if (pathname.endsWith("/")) {
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filePath = path.join(filePath, "index.html");
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if (exists(filePath)) return sendFileWithSAN01Replace(res, filePath);
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}
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if (exists(filePath) && fs.statSync(filePath).isFile()) {
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return sendFileWithSAN01Replace(res, filePath);
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}
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const htmlVariant = filePath + ".html";
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if (exists(htmlVariant)) {
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return sendFileWithSAN01Replace(res, htmlVariant);
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}
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// Fallback: out/index.html
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const fallback = path.join(ROOT, "index.html");
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if (exists(fallback)) return sendFileWithSAN01Replace(res, fallback);
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return notFound(res);
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} catch (err) {
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res.writeHead(500, { "Content-Type": "text/plain; charset=utf-8" });
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res.end(
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"Internal Server Error\n" + (err && err.stack ? err.stack : String(err))
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);
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}
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});
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server.listen(PORT, () => {
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console.log(`Local CPL simulator running on http://localhost:${PORT}`);
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console.log(`Serving from: ${ROOT}`);
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console.log("Replacing <%=SAN01%> -> ismail in text responses");
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});
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