postMessage_userpass_helper.html

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<!DOCTYPE html>

<html>

<head>

  <title>Username/password page for postMessage tests</title>

  <script type="application/javascript">

function sendMessage(evt)

  var msg = "child-message";

  if (evt.origin !== "http://mochi.test:8888")

    msg += " wrong-origin(" + evt.origin + ")";

  if (evt.data !== "parent-message")

    msg += " wrong-data(" + evt.data + ")";

  if (evt.lastEventId !== "")

    msg += " wrong-lastEventId(" + evt.lastEventId + ")";

  if (evt.source !== window.parent)

    msg += " wrong-source";

  // It would be good to guarantee that we've been opened with a userinfo of

  // "bobhope:password", but Gecko elides that from the content-visible URL,

  // and I can't find another way to actually detect this programmatically.

  window.parent.postMessage(msg, "http://mochi.test:8888");

window.addEventListener("message", sendMessage);

  </script>

</head>

<body>

<p>Kid iframe</p>

</body>

</html>