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"use strict";
function handleRequest(request, response) {
const params = new URLSearchParams(request.queryString);
response.setHeader("Cache-Control", "no-store", false);
if (params.has("image")) {
setSharedState(params.get("image"), request.scheme);
response.setHeader("Content-Type", "image/gif", false);
response.write(
atob("R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7")
);
return;
}
if (params.has("scheme")) {
response.setHeader("Content-Type", "text/plain", false);
response.write(getSharedState(params.get("scheme")));
return;
}
response.setHeader("Content-Type", "text/html", false);
response.setHeader("Connection-Allowlist", params.get("allowlist"), false);
if (params.has("uir")) {
response.setHeader(
"Content-Security-Policy",
"upgrade-insecure-requests",
false
);
}
const src = JSON.stringify(params.get("img"));
response.write(`<!DOCTYPE html>
<script>
let img = new Image();
img.onload = () => parent.postMessage("loaded", "*");
img.onerror = () => parent.postMessage("blocked", "*");
img.src = ${src};
</script>`);
}