Best JavaScript code snippet using wpt
fenced-frame-bypass.tentative.https.window.js
1// META: script=/common/get-host-info.sub.js2// META: script=/common/utils.js3// META: script=/common/dispatcher/dispatcher.js4// META: script=/html/cross-origin-embedder-policy/credentialless/resources/common.js5// META: script=./resources/common.js6// META: timeout=long7setup(() => {8 assert_implements(window.HTMLFencedFrameElement,9 "HTMLFencedFrameElement is not supported.");10})11// 4 actors:12// A (this document)13// âââââââââââââââââââââââ´âââ14// âââ¼ââââââââââââââââââââ D (anonymous-iframe)15// â B (fenced-frame) â16// â â â17// â C (anonymous-iframe)â18// âââââââââââââââââââââââ19//20// This test whether the two anonymous iframe can communicate and bypass the21// fencedframe boundary. This shouldn't happen.22promise_test(async test => {23 const cross_origin = get_host_info().HTTPS_REMOTE_ORIGIN;24 const msg_queue = token();25 // Create the the 3 actors.26 const anonymous_iframe_1 = newAnonymousIframe(cross_origin);27 const fenced_frame = newFencedFrame(cross_origin);28 send(fenced_frame, `29 const importScript = ${importScript};30 await importScript("/common/utils.js");31 await importScript("/html/cross-origin-embedder-policy/credentialless" +32 "/resources/common.js");33 await importScript("/html/anonymous-iframe/resources/common.js");34 const support_loading_mode_fenced_frame =35 "|header(Supports-Loading-Mode,fenced-frame)";36 const anonymous_iframe_2 =37 newAnonymousIframe("${cross_origin}", support_loading_mode_fenced_frame);38 send("${msg_queue}", anonymous_iframe_2);39 `);40 const anonymous_iframe_2 = await receive(msg_queue);41 // Try to communicate using BroadCastChannel, in between the two42 // AnonymousIframe.43 const bc_key = token();44 send(anonymous_iframe_1, `45 const bc = new BroadcastChannel("${bc_key}");46 bc.onmessage = event => send("${msg_queue}", event.data);47 send("${msg_queue}", "BroadcastChannel registered");48 `);49 assert_equals(await receive(msg_queue), "BroadcastChannel registered");50 await send(anonymous_iframe_2, `51 const bc = new BroadcastChannel("${bc_key}");52 bc.postMessage("Can communicate");53 `);54 test.step_timeout(() => {55 send(msg_queue, "Cannot communicate");56 }, 4000);57 assert_equals(await receive(msg_queue), "Cannot communicate");...
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