abersheeran/proxy.worker.js

## proxy.worker.js
addEventListener("fetch", (event) => {
  event.respondWith(
    handleRequest(event.request).catch(
      (err) => new Response(err.stack, { status: 500 })
    )
  );
});

async function handleRequest(request) {
  const url = getUrl(request)
  console.log(`${request.method} ${url}`)
  if (!url) {
    return new Response(
      Page,
      {
        headers: { "Content-Type": "text/html" },
        status: 404,
      }
    )
  }
  let response = await fetch(new Request(url, {
    body: request.body,
    headers: request.headers,
    method: request.method,
    redirect: "follow",
  }))
  let { readable, writable } = new TransformStream()
  response.body.pipeTo(writable)
  return new Response(
    readable,
    {
      headers: response.headers,
      status: response.status,
    }
  )
}

const getUrl = (request) => {
	const { pathname, searchParams } = new URL(request.url)
	if (pathname.startsWith("/http")) {
		return pathname.slice(1).replace(/http:\/(?!\/)/, "http://",).replace(/https:\/(?!\/)/, "https://")
	}
	const searchParamsUrl = searchParams.get("url");
	if (searchParamsUrl?.startsWith("http")) {
		return searchParamsUrl
	}
}

const Page = `<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Proxy | Created by aber</title>
</head>

<body>
    <form>
        <div>
            <input name="url" type="url" />
            <button type="submit">→</button>
        </div>
    </form>
    <style>
        body {
            background-color: #fafafa;
        }

        form {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin-top: 100px;
        }

        div {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;
            border: solid 1px #fafafa;
            box-shadow: 0 0 10px #eee;
        }

        input {
            width: calc(240px + 7vw);
            height: 40px;
            border-radius: 0px;
            border: none;
            outline: none;
            padding: 0 10px;
            flex: 1;
        }

        button {
            width: 50px;
            height: 40px;
            border-radius: 0px;
            border: none;
            background-color: #fff;
            color: #000;
            font-size: 16px;
            cursor: pointer;
        }
    </style>
</body>

</html>
`
	addEventListener("fetch", (event) => {
	event.respondWith(
	handleRequest(event.request).catch(
	(err) => new Response(err.stack, { status: 500 })
	)
	);
	});

	async function handleRequest(request) {
	const url = getUrl(request)
	console.log(`${request.method} ${url}`)
	if (!url) {
	return new Response(
	Page,
	{
	headers: { "Content-Type": "text/html" },
	status: 404,
	}
	)
	}
	let response = await fetch(new Request(url, {
	body: request.body,
	headers: request.headers,
	method: request.method,
	redirect: "follow",
	}))
	let { readable, writable } = new TransformStream()
	response.body.pipeTo(writable)
	return new Response(
	readable,
	{
	headers: response.headers,
	status: response.status,
	}
	)
	}

	const getUrl = (request) => {
	const { pathname, searchParams } = new URL(request.url)
	if (pathname.startsWith("/http")) {
	return pathname.slice(1).replace(/http:\/(?!\/)/, "http://",).replace(/https:\/(?!\/)/, "https://")
	}
	const searchParamsUrl = searchParams.get("url");
	if (searchParamsUrl?.startsWith("http")) {
	return searchParamsUrl
	}
	}

	const Page = `<!DOCTYPE html>
	<html>

	<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Proxy \| Created by aber</title>
	</head>

	<body>
	<form>
	<div>
	<input name="url" type="url" />
	<button type="submit">→</button>
	</div>
	</form>
	<style>
	body {
	background-color: #fafafa;
	}

	form {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	margin-top: 100px;
	}

	div {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: center;
	border: solid 1px #fafafa;
	box-shadow: 0 0 10px #eee;
	}

	input {
	width: calc(240px + 7vw);
	height: 40px;
	border-radius: 0px;
	border: none;
	outline: none;
	padding: 0 10px;
	flex: 1;
	}

	button {
	width: 50px;
	height: 40px;
	border-radius: 0px;
	border: none;
	background-color: #fff;
	color: #000;
	font-size: 16px;
	cursor: pointer;
	}
	</style>
	</body>

	</html>
	`