55 lines
1.8 KiB
JavaScript
55 lines
1.8 KiB
JavaScript
import { createServer } from "node:http";
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import { readFile } from "node:fs/promises";
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import { extname, resolve, sep } from "node:path";
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import { fileURLToPath } from "node:url";
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const trustlabRoot = resolve(fileURLToPath(new URL("..", import.meta.url)));
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const host = "127.0.0.1";
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const port = Number.parseInt(process.env.TRUSTLAB_PORT ?? "4173", 10);
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const contentTypes = {
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".css": "text/css; charset=utf-8",
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".html": "text/html; charset=utf-8",
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".js": "text/javascript; charset=utf-8",
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".json": "application/json; charset=utf-8",
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};
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const server = createServer(async (request, response) => {
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try {
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const url = new URL(request.url ?? "/", `http://${host}:${port}`);
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const relativePath = url.pathname === "/" ? "ui/index.html" : url.pathname.slice(1);
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const requestedPath = resolve(trustlabRoot, relativePath);
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if (!requestedPath.startsWith(`${trustlabRoot}${sep}`)) {
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respond(response, 403, "Forbidden");
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return;
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}
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const body = await readFile(requestedPath);
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response.writeHead(200, {
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"Content-Type": contentTypes[extname(requestedPath)] ?? "application/octet-stream",
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"Cache-Control": "no-store",
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"X-Content-Type-Options": "nosniff",
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"Content-Security-Policy": "default-src 'self'; style-src 'self'; script-src 'self'; object-src 'none'; frame-ancestors 'none'",
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});
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response.end(body);
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} catch (error) {
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if (error?.code === "ENOENT" || error?.code === "EISDIR") {
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respond(response, 404, "Not found");
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return;
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}
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respond(response, 500, "Internal server error");
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}
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});
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server.listen(port, host, () => {
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console.log(`TrustLab UI: http://${host}:${port}`);
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});
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function respond(response, status, message) {
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response.writeHead(status, {
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"Content-Type": "text/plain; charset=utf-8",
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"Cache-Control": "no-store",
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});
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response.end(message);
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}
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