test_base-uri.html

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<head>

  <title>Bug 1045897 - Test CSP base-uri directive</title>

  <!-- Including SimpleTest.js so we can use waitForExplicitFinish !-->

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

  <p id="display"></p>

  <div id="content" style="visibility: hidden">

    <iframe style="width:100%;" id="testframe"></iframe>

  </div>

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

/*

 * Description of the test:

 * We load a page in an iframe (served over http://example.com) that tries to

 * modify the 'base' either through setting or also removing the base-uri. We

 * load that page using different policies and verify that setting the base-uri

 * is correctly blocked by CSP.

*/

SimpleTest.waitForExplicitFinish();

var tests = [

  { csp: "base-uri http://mochi.test;",

    base1: "http://mochi.test",

    base2: "",

    action: "enforce-csp",

    result: "http://mochi.test",

    desc: "CSP allows base uri"

},

  { csp: "base-uri http://example.com;",

    base1: "http://mochi.test",

    base2: "",

    action: "enforce-csp",

    result: "http://example.com",

    desc: "CSP blocks base uri"

},

  { csp: "base-uri https:",

    base1: "http://mochi.test",

    base2: "",

    action: "enforce-csp",

    result: "http://example.com",

    desc: "CSP blocks http base"

},

  { csp: "base-uri 'none'",

    base1: "http://mochi.test",

    base2: "",

    action: "enforce-csp",

    result: "http://example.com",

    desc: "CSP allows no base modification"

},

  { csp: "",

    base1: "http://foo:foo/",

    base2: "",

    action: "enforce-csp",

    result: "http://example.com",

    desc: "Invalid base should be ignored"

},

  { csp: "base-uri http://mochi.test",

    base1: "http://mochi.test",

    base2: "http://test1.example.com",

    action: "remove-base1",

    result: "http://example.com",

    desc: "Removing first base should result in fallback base"

},

  { csp: "",

    base1: "http://mochi.test",

    base2: "http://test1.example.com",

    action: "remove-base1",

    result: "http://test1.example.com",

    desc: "Removing first base should result in the second base"

},

];

// initializing to -1 so we start at index 0 when we start the test

var counter = -1;

function finishTest() {

  window.removeEventListener("message", receiveMessage);

  SimpleTest.finish();

// a postMessage handler that is used by sandboxed iframes without

// 'allow-same-origin' to bubble up results back to this main page.

window.addEventListener("message", receiveMessage);

function receiveMessage(event) {

  var result = event.data.result;

  // we only care about the base uri, so instead of comparing the complete uri

  // we just make sure that the base is correct which is sufficient here.

  ok(result.startsWith(tests[counter].result),

     `${tests[counter].desc}: Expected a base URI that starts

      with ${tests[counter].result} but got ${result}`);

  loadNextTest();

function loadNextTest() {

  counter++;

  if (counter == tests.length) {

    finishTest();

    return;

  var src = "http://example.com/tests/dom/security/test/csp/file_base_uri_server.sjs";

  // append the CSP that should be used to serve the file

  // please note that we have to include 'unsafe-inline' to permit sending the postMessage

  src += "?csp=" + escape("script-src 'unsafe-inline'; " + tests[counter].csp);

  // append potential base tags

  src += "&base1=" + escape(tests[counter].base1);

  src += "&base2=" + escape(tests[counter].base2);

  // append potential action

  src += "&action=" + escape(tests[counter].action);

  document.getElementById("testframe").src = src;

// start running the tests

loadNextTest();

</script>

</body>

</html>