57 lines
1.3 KiB
TypeScript
57 lines
1.3 KiB
TypeScript
import { boot } from "./bootloader/kernel.js";
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declare var browser: any; // tsc
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document.title = "kernel.lume";
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let header = document.createElement("h1");
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header.textContent =
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"Something went wrong! You should not be visiting this page, this page should only be accessed via an invisible iframe.";
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document.body.appendChild(header);
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function handleIncomingMessage(event: MessageEvent) {
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if (event.source === null) {
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return;
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}
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if (event.source === window) {
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return;
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}
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if (!("nonce" in event.data)) {
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(event.source as WindowProxy).postMessage(
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{
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nonce: "N/A",
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method: "response",
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err: "message sent to kernel with no nonce",
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},
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event.origin,
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);
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return;
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}
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if (!("method" in event.data)) {
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(event.source as WindowProxy).postMessage(
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{
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nonce: event.data.nonce,
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method: "response",
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err: "message sent to kernel with no method",
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},
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event.origin,
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);
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return;
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}
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(event.source as WindowProxy).postMessage(
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{
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nonce: event.data.nonce,
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method: "response",
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err:
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"unrecognized method (user may need to log in): " + event.data.method,
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},
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event.origin,
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);
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return;
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}
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window.addEventListener("message", handleIncomingMessage);
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boot();
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