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| 1 | +<!DOCTYPE html> |
| 2 | +<meta charset=utf-8> |
| 3 | +<script src="/resources/testharness.js"></script> |
| 4 | +<script src="/resources/testharnessreport.js"></script> |
| 5 | +<script src="/common/get-host-info.sub.js"></script> |
| 6 | +<script src="/common/utils.js"></script> |
| 7 | +<script src="/common/dispatcher/dispatcher.js"></script> |
| 8 | +<!-- Pull in executor_path needed by newPopup / newIframe --> |
| 9 | +<script src="/html/cross-origin-embedder-policy/credentialless/resources/common.js"></script> |
| 10 | +<!-- Pull in newPopup / newIframe --> |
| 11 | +<script src="/html/cross-origin-embedder-policy/anonymous-iframe/resources/common.js"></script> |
| 12 | +<body> |
| 13 | +<script> |
| 14 | + |
| 15 | +const emit_script = (channel_name, message, done_queue_name) => ` |
| 16 | + const bc = new BroadcastChannel("${channel_name}"); |
| 17 | + bc.postMessage("${message}"); |
| 18 | + send("${done_queue_name}", "done"); |
| 19 | +`; |
| 20 | + |
| 21 | +promise_test(async t => { |
| 22 | + const origin = get_host_info().HTTPS_ORIGIN; |
| 23 | + const not_same_site_origin = get_host_info().HTTPS_NOTSAMESITE_ORIGIN; |
| 24 | + const response_queue_uuid = token(); |
| 25 | + |
| 26 | + const popup_init_script = ` |
| 27 | + const importScript = ${importScript}; |
| 28 | + await importScript("/html/cross-origin-embedder-policy/credentialless" + |
| 29 | + "/resources/common.js"); |
| 30 | + await importScript("/html/cross-origin-embedder-policy/anonymous-iframe" + |
| 31 | + "/resources/common.js"); |
| 32 | + await importScript("/common/utils.js"); |
| 33 | + send("${response_queue_uuid}", newIframe("${origin}")); |
| 34 | + `; |
| 35 | + |
| 36 | + // Create a same-origin iframe in a cross-site popup. |
| 37 | + const not_same_site_popup_uuid = newPopup(t, not_same_site_origin); |
| 38 | + send(not_same_site_popup_uuid, popup_init_script); |
| 39 | + const iframe_1_uuid = await receive(response_queue_uuid); |
| 40 | + |
| 41 | + // Create a same-origin iframe in a same-site popup. |
| 42 | + const same_origin_popup_uuid = newPopup(t, origin); |
| 43 | + send(same_origin_popup_uuid, popup_init_script); |
| 44 | + const iframe_2_uuid = await receive(response_queue_uuid); |
| 45 | + |
| 46 | + const channel_name = token(); |
| 47 | + const bc = new BroadcastChannel(channel_name); |
| 48 | + bc.onmessage = t.step_func(e => { |
| 49 | + assert_equals(e.data, "msg from iframe2"); |
| 50 | + t.done(); |
| 51 | + }); |
| 52 | + |
| 53 | + // Instruct the not-same-top-level-site iframe to send a message on the BC |
| 54 | + // channel we are listening on. This message should not be received since |
| 55 | + // the iframe should be in a different partition. |
| 56 | + send(iframe_1_uuid, |
| 57 | + emit_script(channel_name, "msg from iframe1", response_queue_uuid)); |
| 58 | + assert_equals(await receive(response_queue_uuid), "done"); |
| 59 | + |
| 60 | + // Now instruct the same-top-level-site iframe to send a BC message. By |
| 61 | + // the time we send the script to execute, have it send the BC message, |
| 62 | + // and then receive the BC message in our BC instance, it should be |
| 63 | + // reasonable to assume that the message from the first iframe would have |
| 64 | + // been delivered if it was going to be. |
| 65 | + send(iframe_2_uuid, |
| 66 | + emit_script(channel_name, "msg from iframe2", response_queue_uuid)); |
| 67 | + assert_equals(await receive(response_queue_uuid), "done"); |
| 68 | + |
| 69 | +}, "BroadcastChannel messages aren't received from a cross-partition iframe"); |
| 70 | + |
| 71 | +</script> |
| 72 | +</body> |
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