// 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=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js // META: script=./resources/sandbox-top-navigation-helper.sub.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");