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Test Info: Warnings

<!DOCTYPE html>
<meta charset="utf-8">
<title>WebAuthn credential.get() in a nested frame</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/common-inputs.js"></script>
<script src=helpers.js></script>
<body></body>
<script>
standardSetup(async function () {
"use strict";
let credential;
function getCredentialScript() {
// Convert the credential ID into a string that can be safely embedded
// into our get assertion script.
// First, turn the buffer into a byte string.
const idBytes = String.fromCharCode(...new Uint8Array(credential.rawId));
// Then, encode it into base64 so it can be safely embedded as a string.
const id = btoa(idBytes);
return `
try {
// Reverse the process: decode the embedded string into a byte string.
const decoded = atob("${id}");
// Then, copy each byte into a Uint8Array that we can pass to WebAuthn.
const id = Uint8Array.from([...decoded].map(c => c.charCodeAt()));
navigator.credentials.get({
publicKey: {
challenge: Uint8Array.from([]),
allowCredentials: [{type: "public-key", id}],
userVerification: "discouraged",
}
}).then(c => window.parent.postMessage("OK", "*"))
.catch(e => window.parent.postMessage("Error: " + e.toString(), "*"));
} catch(e) {
window.parent.postMessage("Error: " + e.toString(), "*");
}
`;
}
promise_test(async t => {
credential = await createCredential();
}, "Setup: create a credential to test with");
promise_test(async t => {
let frame = document.createElement("iframe");
const loadPromise = new EventWatcher(t, frame, "load").wait_for("load");
document.body.append(frame);
await loadPromise;
frame.contentWindow.location = "javascript:" + encodeURI(getCredentialScript());
const messageWatcher = new EventWatcher(t, window, "message");
const { data } = await messageWatcher.wait_for("message");
assert_equals(data, "OK");
}, "navigator.credentials.get({publicKey}) in a javascript url should should succeed.");
promise_test(async t => {
let frame = document.createElement("iframe");
const loadPromise = new EventWatcher(t, frame, "load").wait_for("load");
frame.srcdoc = "";
document.body.append(frame);
await loadPromise;
frame.contentWindow.eval(getCredentialScript());
const eventWatcher = new EventWatcher(t, window, "message");
const { data } = await eventWatcher.wait_for("message");
assert_equals(data, "OK");
}, "navigator.credentials.get({publicKey}) in srcdoc should succeed.");
promise_test(async t => {
let frame = document.createElement("iframe");
const loadPromise = new EventWatcher(t, frame, "load").wait_for("load");
frame.src = "about:blank";
document.body.append(frame);
await loadPromise;
frame.contentDocument.write("<script>" + getCredentialScript() + "<\/script>");
const eventWatcher = new EventWatcher(t, window, "message");
const { data } = await eventWatcher.wait_for("message");
assert_equals(data, "OK");
}, "navigator.credentials.get({publicKey}) in about:blank embedded in a secure context should succeed.");
promise_test(async t => {
let frame = document.createElement("iframe");
const eventWatcher = new EventWatcher(t, window, "message");
frame.src = "resources/webauthn-subframe.sub.html";
document.body.append(frame);
assert_equals((await eventWatcher.wait_for("message")).data.type, "subframe-loaded");
frame.contentWindow.postMessage({ type: "get-credential", addUserActivation: false });
const { data } = await eventWatcher.wait_for("message");
assert_equals(data.result, "success", "Error: " + data.error);
}, "navigator.credentials.get({publicKey}) in a same-origin frame should succeed without requiring user activation.");
}, {
protocol: "ctap2_1",
});
</script>