html/semantics/embedded-content/the-iframe-element/sandbox-top-navigation-escalate-privileges.tentative.sub.window.js

// META: title=Top-level navigation tests with frames that try to give themselves top-nav permission
// META: script=/common/dispatcher/dispatcher.js
// META: script=/common/get-host-info.sub.js
// META: script=/common/utils.js
// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
// META: script=/resources/testharness.js
// META: script=/resources/testharnessreport.js
// META: script=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js
// META: script=./resources/sandbox-top-navigation-helper.js

'use strict';

promise_test(async t => {
  const main = await setupTest();
  const iframe_1 = await createNestedIframe(main,
      "HTTP_REMOTE_ORIGIN", "", "");
  const iframe_2 = await createNestedIframe(iframe_1,
      "HTTP_REMOTE_ORIGIN", "allow-top-navigation", "");

  await attemptTopNavigation(iframe_2, false);
}, "A cross origin unsandboxed frame can't escalate privileges in a child \
    frame");

promise_test(async t => {
  const main = await setupTest();
  const iframe_1 = await createNestedIframe(main,
      "HTTP_REMOTE_ORIGIN", "allow-top-navigation", "");
  const iframe_2 = await createNestedIframe(iframe_1,
      "OTHER_ORIGIN", "", "");

  await attemptTopNavigation(iframe_2, true);
}, "An unsandboxed grandchild inherits its parents ability to navigate top.");

promise_test(async t => {
  const main = await setupTest();
  const iframe_1 = await createNestedIframe(main,
      "HTTP_ORIGIN", "", "");
  const iframe_2 = await createNestedIframe(iframe_1,
      "HTTP_ORIGIN", "allow-top-navigation", "");

  await attemptTopNavigation(iframe_2, true);
}, "A same-origin grandchild with frame allow-top can navigate top");

promise_test(async t => {
  const main = await setupTest();
  const iframe_1 = await createNestedIframe(main,
      "HTTP_ORIGIN", "", "");
  const iframe_2 = await createNestedIframe(iframe_1,
      "HTTP_ORIGIN", "", "allow-top-navigation");

  await attemptTopNavigation(iframe_2, false);
}, "A sandboxed same-origin grandchild without allow-same-origin can't \
    escalate its own top-nav privileges");

promise_test(async t => {
  const main = await setupTest();
  const iframe_1 = await createNestedIframe(main,
      "HTTP_ORIGIN", "", "");
  const iframe_2 = await createNestedIframe(iframe_1,
      "HTTP_ORIGIN", "", "allow-same-origin allow-top-navigation");

  await attemptTopNavigation(iframe_2, true);
}, "A sandboxed same-origin grandchild with allow-same-origin can \
    give itself top-nav privileges");