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{
debug("WebGL Hook", document.URL, document.documentElement && document.documentElement.innerHTML); // DEV_ONLY
let proto = HTMLCanvasElement.prototype;
let getContext = proto.getContext;
exportFunction(function(type, ...rest) {
if (type && type.toLowerCase().includes("webgl")) {
let request = {
id: "noscript-webgl",
type: "webgl",
url: document.URL,
documentUrl: document.URL,
embeddingDocument: true,
};
seen.record({policyType: "webgl", request, allowed: false});
try {
let ph = PlaceHolder.create("webgl", request);
ph.replace(this);
PlaceHolder.listen();
} catch (e) {
error(e);
}
notifyPage();
return {};
}
return getContext.call(this, type, ...rest);
}, proto, {defineAs: "getContext"});
document.URL;
}
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