49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
/*
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Cloudflare workers telegraph proxy.
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Deploy and set `KEY` variable in browser.
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*/
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addEventListener('fetch', event => {
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event.respondWith(handleRequest(event.request))
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})
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const RESPONSE_HEADERS = {
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"Server": "web-proxy",
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};
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async function handleRequest(request) {
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// validate request key
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if (request.headers.get("X-Authorization") != KEY) {
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return new Response(null, {
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status: 401,
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headers: RESPONSE_HEADERS
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});
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}
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// read original url
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var url = request.headers.get("X-Forwarded-For");
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if (url == null || url == "") {
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return new Response(null, {
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status: 400,
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headers: RESPONSE_HEADERS
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});
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}
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// construct new url and request
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var req = new Request(new URL(url), {
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method: request.method,
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headers: request.headers,
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body: request.body
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});
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// remove headers
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req.headers.delete("X-Authorization");
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req.headers.delete("X-Forwarded-For");
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req.headers.delete("CF-Connecting-IP");
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req.headers.delete("CF-Worker");
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req.headers.delete("CF-EW-Via");
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// send request
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var result = await fetch(req);
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return result;
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} |