Revelav3/static/customBare.js
2022-06-07 18:48:04 -04:00

111 lines
No EOL
2.6 KiB
JavaScript

const fetch = require('node-fetch');
const fs = require('fs');
const config = {
prefix: "/service"
}
function rewriteJavascript(js) {
var javascript = js.replace('window.location', 'document._dlocation')
javascript = javascript.replace('document.location', 'document._dlocation')
javascript = javascript.replace('location.', 'document._location.')
return javascript
}
function insertScript(html, origin) {
var res = `<!DOCTYPE html>
<html>
<head>
<script preload type="module" src="${origin}/cyclone.js"></script>
</head>
<body>
${html}
</body>
</html>`
return res
} //
async function fetchBare(url, res, req) {
try {
var origin = 'https' + "://" + req.rawHeaders[1]
var options = {
method: req.method,
headers: {
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36",
cookies: req.cookies
},
credentials: "same-origin"
}
var request = await fetch(url.href, options);
var contentType = request.headers.get('content-type') || 'application/javascript'
if (contentType.includes('html') || contentType.includes('javascript')) {
var doc = await request.text();
}
res.writeHead(200, "Sucess", {
"content-type": contentType
})
if (contentType.includes('html')) {
output = insertScript(doc, origin);
res.end(output)
} else if (contentType.includes('javascript')) {
output = rewriteJavascript(doc)
res.end(output)
} else {
request.body.pipe(res)
}
} catch (e) {
console.log(e);
res.end(e)
}
}
async function route(req, res) {
var path = req.url;
if (path.startsWith(config.prefix + "/")) {
try {
var url = new URL(path.split(config.prefix + "/")[1])
} catch {
var url = new URL("https://" + path.split(config.prefix + "/")[1])
}
fetchBare(url, res, req);
} else {
if (path === "/cyclone.js") {
var file = fs.readFileSync(__dirname + '/cyclone.js', 'utf8')
res.writeHead(200, 'Sucess', {
"content-type": 'application/javascript'
})
res.end(file)
}
if (path === "/sw.js") {
var file = fs.readFileSync(__dirname + '/sw.js', 'utf8')
res.writeHead(200, 'Sucess', {
"content-type": 'application/javascript'
})
res.end(file)
}
}
}
function isBare(req, res) {
res.writeHead(200, "Sucess", {
"Cros-Origin": "Access-Control-Allow-Origin"
})
return (req.url === "/cyclone.js" || req.url === "/cySw.js") || req.url.startsWith(config.prefix);
}
module.exports = {
route,
isBare
}