Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Security-Policy" content= "img-src https:"/>
</head>
<body>
<iframe id="dataFrame" onload="doCSPMergeCheck()"
src="data:text/html,<html><head><meta http-equiv='Content-Security-Policy' content='script-src https:'/></head><body>merge csp</body></html>">
</iframe>
<script type="application/javascript">
function doCSPMergeCheck() {
// get the csp in JSON notation from the principal
var frame = document.getElementById("dataFrame");
var contentDoc = SpecialPowers.wrap(frame).contentDocument;
var cspOBJ = JSON.parse(contentDoc.cspJSON);
// make sure we got >>two<< policies
var policies = cspOBJ["csp-policies"];
window.parent.postMessage({result: policies.length}, "*");
}
</script>
</body>
</html>