File: test_script_template.html

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<!DOCTYPE HTML>
<html>
<head>
  <title>Bug 1548385 - CSP: Test script template</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<iframe style="width:100%;" id="testframe"></iframe>

<script class="testbody" type="text/javascript">

/**
 * Description of the test:
 * We load a document using a CSP of "default-src 'unsafe-inline'"
 * and make sure that an external script within a template gets
 * blocked correctly.
 */

const CSP_BLOCKED_SUBJECT = "csp-on-violate-policy";
const CSP_ALLOWED_SUBJECT = "specialpowers-http-notify-request";

SimpleTest.waitForExplicitFinish();

function examiner() {
  SpecialPowers.addObserver(this, CSP_BLOCKED_SUBJECT);
  SpecialPowers.addObserver(this, CSP_ALLOWED_SUBJECT);
}

examiner.prototype  = {
  observe(subject, topic, data) {
    if (topic == CSP_BLOCKED_SUBJECT) {
      let jsFileName = SpecialPowers.getPrivilegedProps(SpecialPowers.do_QueryInterface(subject, "nsIURI"), "asciiSpec");
      if (jsFileName.endsWith("file_script_template.js")) {
        ok(true, "js file blocked by CSP");
        this.removeAndFinish();
      }
    }

    if (topic == CSP_ALLOWED_SUBJECT) {
      if (data.endsWith("file_script_template.js")) {
        ok(false, "js file allowed by CSP");
        this.removeAndFinish();
      }
    }
  },

  removeAndFinish() {
    SpecialPowers.removeObserver(this, CSP_BLOCKED_SUBJECT);
    SpecialPowers.removeObserver(this, CSP_ALLOWED_SUBJECT);
    SimpleTest.finish();
  }
}

window.examiner = new examiner();
document.getElementById("testframe").src = "file_script_template.html";

</script>
</body>
</html>