content/base/test/test_bug650386_redirect_302.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=650386
Test that CSP violation reports are not sent when a 302 redirect is encountered
-->
<head>
  <title>Test for Bug 650386</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=650386">Mozilla Bug 650386</a>
<p id="display"></p>
<div id="content" style="display: none">
<iframe id = "content_iframe"></iframe>
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 650386 **/

// This is used to watch the redirect of the report POST get blocked
function examiner() {
  SpecialPowers.addObserver(this, "csp-on-violate-policy", false);
  SpecialPowers.addObserver(this, "http-on-modify-request", false);
}

examiner.prototype  = {
  observe: function(subject, topic, data) {
    // subject should be an nsURI
    if(!SpecialPowers.can_QI(subject))
       return;

    if (topic === "http-on-modify-request") {
      // this is used to fail the test - if we see the POST to the target of the redirect
      // we know this is a fail
      var asciiSpec = SpecialPowers.getPrivilegedProps(SpecialPowers.do_QueryInterface(subject, "nsIHttpChannel"), "URI.asciiSpec");

      if (asciiSpec == "http://example.com/some/fake/path")
        window.done(false);
    }

    if(topic === "csp-on-violate-policy") {
      // something was blocked, but we are looking specifically for the redirect being blocked
      if (data == "denied redirect while sending violation report")
        window.done(true);
    }
  },

  // must eventually call this to remove the listener,
  // or mochitests might get borked.
  remove: function() {
    SpecialPowers.removeObserver(this, "csp-on-violate-policy");
    SpecialPowers.removeObserver(this, "http-on-modify-request");
  }
}

window.examiner = new examiner();

// result == true if we saw the redirect blocked notify, false if we saw the post
// to the redirect target go out
window.done = function(result) {
  ok(result, "a 302 redirect when posting violation report should be blocked");

  // clean up observers and finish the test
  window.examiner.remove();
  SimpleTest.finish();
}

SimpleTest.waitForExplicitFinish();

// save this for last so that our listeners are registered.
document.getElementById('content_iframe').src = 'file_bug650386_content.sjs?302';
</script>
</pre>
</body>
</html>