caps/tests/mochitest/test_disallowInheritPrincipal.html

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<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=732413
-->
<head>
  <title>Test for Bug 732413</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=732413">Mozilla Bug 732413</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 732413
    Passing DISALLOW_INHERIT_PRINCIPAL flag should be effective even if
    aPrincipal is the system principal.
 **/

const nsIScriptSecurityManager = SpecialPowers.Ci.nsIScriptSecurityManager;
var secMan = SpecialPowers.Cc["@mozilla.org/scriptsecuritymanager;1"]
                       .getService(nsIScriptSecurityManager);
var sysPrincipal = secMan.getSystemPrincipal();
isnot(sysPrincipal, undefined, "Should have a principal");
isnot(sysPrincipal, null, "Should have a non-null principal");
is(secMan.isSystemPrincipal(sysPrincipal), true,
   "Should have system principal here");


var ioService = SpecialPowers.Cc["@mozilla.org/network/io-service;1"].
                getService(SpecialPowers.Ci.nsIIOService);
var inheritingURI = ioService.newURI("javascript:1+1", null, null);

// First try a normal call to checkLoadURIWithPrincipal
try {
  secMan.checkLoadURIWithPrincipal(sysPrincipal, inheritingURI,
                                   nsIScriptSecurityManager.STANDARD);
  ok(true, "checkLoadURI allowed the load");
} catch (e) {
  ok(false, "checkLoadURI failed unexpectedly: " + e);
}

// Now call checkLoadURIWithPrincipal with DISALLOW_INHERIT_PRINCIPAL
try {
  secMan.checkLoadURIWithPrincipal(sysPrincipal, inheritingURI,
                                   nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL);
  ok(false, "checkLoadURI allowed the load unexpectedly");
} catch (e) {
  ok(true, "checkLoadURI prevented load of principal-inheriting URI");
}

</script>
</pre>
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</html>