const fs = require("fs");
const express = require("express");
const fetch = require("node-fetch");
const htmlParser = require("node-html-parser");
const app = express();
app.use(express.json()); // for parsing application/json
app.use(express.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
let Proxy = async (req, res) => {
const url = "https://" + req.originalUrl.slice(10);
let f = await fetch(url, {
method: req.method,
});
if (false && f.headers.get("content-type").includes("html")) {
const body = await f.text();
if (false && !htmlParser.valid(body)) {
console.warn(`[ERROR] Invalid HTML at ${url}`);
f.body.pipe(res);
return;
}
const root = htmlParser.parse(body);
let html = root.childNodes.filter(
(x) => x.tagName && x.tagName.toLowerCase() == "html"
)[0];
if (!html) {
console.warn(`[ERROR] No <html> at ${url}`);
res.send(body);
return;
}
res.send(html.toString());
} else {
f.body.pipe(res);
}
};
const listener = (req, res) => {
Proxy(req, res);
};
app.get("/", (req, res) => res.redirect(`/https://www.google.com/`));
app.all("/*", listener);
app.listen(3000, () => {});