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<!doctype html>
<html>
<head>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title></title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
</head>
<body>
<script>
<!--
promise_test(t => {
return new Promise((resolve) => {
let ifr = document.createElement("iframe");
ifr.src =
"data:text/html,<script> let bc = new BroadcastChannel(\"test\");" +
"bc.onmessage = (e) => {" +
" if (e.data == \"ping\") bc.postMessage('pong');"+
" else parent.postMessage({workerMessageOrigin: e.data, messageOrigin: e.origin}, \"*\"); };" +
"new Worker(URL.createObjectURL(new Blob([\"" +
"let bc2 = new BroadcastChannel('test'); bc2.postMessage('ping'); " +
"bc2.onmessage = e => bc2.postMessage(e.origin);" +
"\"], {type: 'text/javascript'}))); </script>";
window.addEventListener("message", t.step_func(e => {
assert_equals(e.data.workerMessageOrigin, "null");
assert_equals(e.data.messageOrigin, "null");
resolve();
}), {once: true});
t.add_cleanup(() => { document.body.removeChild(ifr) });
document.body.appendChild(ifr);
});
}, "Opaque origin should be serialized to \"null\"");
const iframe_src = (channel_name, iframe_name) => `data:text/html,<script>
let bc2 = new BroadcastChannel("${channel_name}");
bc2.onmessage = (e) => {
if (e.data == "from-${iframe_name}") {
parent.postMessage("${iframe_name}-done", "*");
} else {
parent.postMessage("fail", "*");
}
};
let bc3 = new BroadcastChannel("${channel_name}");
bc3.postMessage("from-${iframe_name}");
</script>`;
promise_test(t => {
return new Promise((resolve, reject) => {
const channel_name = "opaque-origin-test-2";
const bc1 = new BroadcastChannel(channel_name);
bc1.onmessage = t.unreached_func("Received message from an opaque origin");
// We'll create an iframe and have it send a BroadcastChannel message
// between two instances. Once the message is received, it will postMessage
// back and we'll repeat this with another iframe. If the first
// BroadcastChannel message is received by `bc1`, or if the second
// BroadcastChannel message is received by `bc1` or `bc2` in the first
// iframe, then the test should fail.
window.addEventListener("message", e => {
if(e.data == "iframe1-done") {
let iframe2 = document.createElement("iframe");
iframe2.src = iframe_src(channel_name, "iframe2");
t.add_cleanup(() => { document.body.removeChild(iframe2) });
document.body.appendChild(iframe2);
} else if(e.data == "iframe2-done") {
resolve();
} else if(e.data == "fail") {
reject("One opaque origin received a message from the other");
} else {
reject("An unexpected error occurred");
}
});
let iframe1 = document.createElement("iframe");
iframe1.src = iframe_src(channel_name, "iframe1");
t.add_cleanup(() => { document.body.removeChild(iframe1) });
document.body.appendChild(iframe1);
});
}, "BroadcastChannel messages from opaque origins should be self-contained");
const data_url_worker_src = (channel_name, worker_name) => {
const source = `
const handler = (reply) => {
let bc2 = new BroadcastChannel("${channel_name}");
bc2.onmessage = (e) => {
if (e.data == "from-${worker_name}") {
reply("${worker_name}-done");
} else {
reply("fail");
}
};
let bc3 = new BroadcastChannel("${channel_name}");
bc3.postMessage("from-${worker_name}");
};
// For dedicated workers:
self.addEventListener("message", () => handler(self.postMessage));
// For shared workers:
self.addEventListener("connect", (e) => {
var port = e.ports[0];
port.onmessage = () => handler(msg => port.postMessage(msg));
port.start();
});
`;
return "data:,".concat(encodeURIComponent(source));
}
promise_test(t => {
return new Promise((resolve, reject) => {
const channel_name = "opaque-origin-test-3";
const bc1 = new BroadcastChannel(channel_name);
bc1.onmessage = e => { reject("Received message from an opaque origin"); };
// Same as the previous test but with data URL dedicated workers (which
// should have opaque origins per the HTML spec).
const worker_name_prefix = "data-url-dedicated-worker";
const worker_1_name = `${worker_name_prefix}-1`;
const worker_2_name = `${worker_name_prefix}-2`;
const handler = e => {
if(e.data == `${worker_1_name}-done`) {
const worker2 = new Worker(data_url_worker_src(channel_name, worker_2_name));
t.add_cleanup(() => worker2.terminate());
worker2.addEventListener("message", handler);
worker2.postMessage("go!");
} else if(e.data == `${worker_2_name}-done`) {
resolve();
} else if(e.data == "fail") {
reject("One opaque origin received a message from the other");
} else {
reject("An unexpected error occurred");
}
};
let worker1 = new Worker(data_url_worker_src(channel_name, worker_1_name));
t.add_cleanup(() => worker1.terminate());
worker1.addEventListener("message", handler);
worker1.postMessage("go!");
});
}, "BroadcastChannel messages from data URL dedicated workers should be self-contained");
promise_test(() => {
return new Promise((resolve, reject) => {
const channel_name = "opaque-origin-test-4";
const bc1 = new BroadcastChannel(channel_name);
// Same as the previous test but with data URL shared workers (which
// should have opaque origins per the HTML spec).
const worker_name_prefix = "data-url-shared-worker";
const worker_1_name = `${worker_name_prefix}-1`;
const worker_2_name = `${worker_name_prefix}-2`;
const handler = e => {
if (e.data == `${worker_1_name}-done`) {
const worker_script = data_url_worker_src(channel_name, worker_2_name);
const worker2 = new SharedWorker(worker_script, worker_2_name);
worker2.port.addEventListener("message", handler);
worker2.port.start();
worker2.port.postMessage("go!");
} else if(e.data == `${worker_2_name}-done`) {
resolve();
} else if(e.data == "fail") {
reject("One opaque origin received a message from the other");
} else {
reject("An unexpected error occurred");
}
};
bc1.onmessage = e => {
if (e.data == "go!") {
const worker_script = data_url_worker_src(channel_name, worker_1_name);
const worker1 = new SharedWorker(worker_script, worker_1_name);
worker1.port.addEventListener("message", handler);
worker1.port.start();
worker1.port.postMessage("go!");
} else {
reject("Received message from an opaque origin");
}
};
// Ensure that the BroadcastChannel instance above can receive messages
// before we create the first shared worker.
const bc2 = new BroadcastChannel(channel_name);
bc2.postMessage("go!");
});
}, "BroadcastChannel messages from data URL shared workers should be self-contained");
//-->
</script>
</body>
</html>
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