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<!DOCTYPE html>
<script>
'use strict';
window.onload = function() {
// Check issuance operation availability for both Request and XMLHttpRequest.
// They are tied to the same permission policy. They should be both enabled or disabled.
let num_enabled = 2;
try {
const issue_request = new Request("https://issuer.example/", {
privateToken: {
version: 1,
operation: "token-request"
}
});
} catch (e) {
num_enabled--;
}
try {
const xhr = new XMLHttpRequest();
xhr.open("GET", "https://issuer.example/");
xhr.setPrivateToken({
version: 1,
operation: "token-request"
});
} catch (e) {
num_enabled--;
}
parent.postMessage({
type: 'availability-result',
num_operations_enabled: num_enabled,
}, '*');
}
</script>