gecko-dev/content/base/test/csp/file_CSP_bug910139.sjs

// Server side js file for bug 910139, see file test_CSP_bug910139.html for details.

Components.utils.import("resource://gre/modules/NetUtil.jsm");

function loadResponseFromFile(path) {
  var testHTMLFile =
    Components.classes["@mozilla.org/file/directory_service;1"].
    getService(Components.interfaces.nsIProperties).
    get("CurWorkD", Components.interfaces.nsILocalFile);
  var dirs = path.split("/");
  for (var i = 0; i < dirs.length; i++) {
    testHTMLFile.append(dirs[i]);
  }
  var testHTMLFileStream =
    Components.classes["@mozilla.org/network/file-input-stream;1"].
    createInstance(Components.interfaces.nsIFileInputStream);
  testHTMLFileStream.init(testHTMLFile, -1, 0, 0);
  var testHTML = NetUtil.readInputStreamToString(testHTMLFileStream, testHTMLFileStream.available());
  return testHTML;
}

var policies = [
  "default-src 'self'; script-src 'self'",       // CSP for checkAllowed
  "default-src 'self'; script-src *.example.com" // CSP for checkBlocked
]

function getPolicy() {
  var index;
  // setState only accepts strings as arguments
  if (!getState("counter")) {
    index = 0;
    setState("counter", index.toString());
  }
  else {
    index = parseInt(getState("counter"));
    ++index;
    setState("counter", index.toString());
  }
  return policies[index];
}

function handleRequest(request, response)
{
  // avoid confusing cache behaviors
  response.setHeader("Cache-Control", "no-cache", false);

  // set the required CSP
  response.setHeader("Content-Security-Policy", getPolicy(), false);

  // return the requested XML file.
  response.write(loadResponseFromFile("tests/content/base/test/csp/file_CSP_bug910139.xml"));
}