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<!DOCTYPE html>
<html>
<head>
<title>postMessage message receiver</title>
<script type="application/javascript">
function $(id) { return document.getElementById(id); }
function setup()
{
var target = $("domain");
target.textContent = location.hostname + ":" + (location.port || 80);
}
function receiveMessage(evt)
{
var response = evt.data + "-response";
if (evt.lastEventId !== "")
response += " wrong-lastEventId(" + evt.lastEventId + ")";
if (evt.source !== window.parent)
{
response += " unexpected-source(" + evt.source + ")";
response += " window-parent-is(" + window.parent + ")";
response += " location(" + window.location.href + ")";
}
if (evt.type != "message")
response += " wrong-type(" + evt.type + ")";
var data = evt.data;
if (data == "post-to-other-same-domain")
{
receiveSame(evt, response);
}
else if (data == "post-to-other-cross-domain")
{
receiveCross(evt, response);
}
else
{
response += " unexpected-message-to(" + window.location.href + ")";
window.parent.postMessage(response, "http://mochi.test:8888");
}
}
function receiveSame(evt, response)
{
var source = evt.source;
try
{
if (evt.origin != "http://mochi.test:8888")
response += " unexpected-origin(" + evt.origin + ")";
try
{
var threw = false;
var privateVariable = source.privateVariable;
}
catch (e)
{
threw = true;
}
if (threw || privateVariable !== window.parent.privateVariable)
response += " accessed-source!!!";
}
finally
{
source.postMessage(response, evt.origin);
}
}
function receiveCross(evt, response)
{
var source = evt.source;
if (evt.origin != "http://mochi.test:8888")
response += " unexpected-origin(" + evt.origin + ")";
try
{
var threw = false;
var privateVariable = source.privateVariable;
}
catch (e)
{
threw = true;
}
if (!threw || privateVariable !== undefined)
response += " accessed-source!!!";
source.postMessage(response, evt.origin);
}
window.addEventListener("load", setup);
window.addEventListener("message", receiveMessage);
</script>
</head>
<body>
<h1 id="domain"></h1>
</body>
</html>
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