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fix(admin): add postMessage origin validation to liveControls.ts #208

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fix(admin): add postMessage origin validation to liveControls.ts #208

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9 changes: 9 additions & 0 deletions src/admin/liveControls.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,16 @@ export const LIVE_CONTROLS_SCRIPT = `
if (window.__DECO_LIVE_CONTROLS__) return;
window.__DECO_LIVE_CONTROLS__ = true;

var TRUSTED_ORIGINS = ["https://deco.cx", "https://admin.deco.cx", "https://play.deco.cx"];
function isTrustedOrigin(origin) {
return TRUSTED_ORIGINS.indexOf(origin) !== -1 ||
(origin.startsWith("https://") && origin.endsWith(".deco.cx")) ||
origin === window.location.origin;
}

addEventListener("message", function(event) {
if (!isTrustedOrigin(event.origin)) return;

var data = event.data;
if (!data || typeof data !== "object") return;
switch (data.type) {
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