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// A 1x1 PNG image.
const IMAGE = atob(
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAA" +
"ACnej3aAAAAAXRSTlMAQObYZgAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII="
);
function handleRequest(aRequest, aResponse) {
aResponse.setStatusLine(aRequest.httpVersion, 200);
let key = aRequest.queryString.includes("what=script") ? "script" : "image";
if (aRequest.queryString.includes("result")) {
aResponse.write(getState(key) || 0);
setState(key, "0");
return;
}
if (aRequest.hasHeader("Cookie")) {
let hints = parseInt(getState(key) || 0) + 1;
setState(key, hints.toString());
}
aResponse.setHeader("Set-Cookie", "foopy=1");
if (key == "script") {
aResponse.setHeader("Content-Type", "text/javascript", false);
aResponse.write("42;");
} else {
aResponse.setHeader("Content-Type", "image/png", false);
aResponse.write(IMAGE);
}
}