tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_bug909029.html (4848B)

      1 <!doctype html>
      2 <html>
      3  <head>
      4    <title>Bug 909029 - CSP source-lists ignore some source expressions like 'unsafe-inline' when * or 'none' are used (e.g., style-src, script-src)</title>
      5    <script src="/tests/SimpleTest/SimpleTest.js"></script>
      6    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
      7  </head>
      8  <body>
      9    <div id=content style="visibility:hidden">
     10      <iframe id=testframe1></iframe>
     11      <iframe id=testframe2></iframe>
     12    </div>
     13    <script class="testbody" type="text/javascript">
     14 SimpleTest.waitForExplicitFinish();
     15 
     16 window.tests = {
     17  starExternalStylesLoaded: -1,
     18  starExternalImgLoaded: -1,
     19  noneExternalStylesBlocked: -1,
     20  noneExternalImgLoaded: -1,
     21  starInlineStyleAllowed: -1,
     22  starInlineScriptBlocked: -1,
     23  noneInlineStyleAllowed: -1,
     24  noneInlineScriptBlocked: -1
     25 }
     26 
     27 function examiner() {
     28  SpecialPowers.addObserver(this, "csp-on-violate-policy");
     29  SpecialPowers.addObserver(this, "specialpowers-http-notify-request");
     30 }
     31 examiner.prototype  = {
     32  observe(subject, topic, data) {
     33    var testpat = new RegExp("testid=([a-zA-Z]+)");
     34 
     35    if (topic === "specialpowers-http-notify-request") {
     36      var uri = data;
     37      if (!testpat.test(uri)) return;
     38      var testid = testpat.exec(uri)[1];
     39      window.testResult(testid,
     40                        /Loaded/.test(testid),
     41                        "resource loaded");
     42    }
     43 
     44    if(topic === "csp-on-violate-policy") {
     45      // these were blocked... record that they were blocked
     46      // try because the subject could be an nsIURI or an nsISupportsCString
     47      try {
     48        var asciiSpec = SpecialPowers.getPrivilegedProps(SpecialPowers.do_QueryInterface(subject, "nsIURI"), "asciiSpec");
     49        if (!testpat.test(asciiSpec)) return;
     50        var testid = testpat.exec(asciiSpec)[1];
     51        window.testResult(testid,
     52                          /Blocked/.test(testid),
     53                          "resource blocked by CSP");
     54      } catch(e) {
     55        // if that fails, the subject is probably a string. Strings are only
     56        // reported for inline and eval violations. Since we are testing those
     57        // via the observed effects of script on CSSOM, we can simply ignore
     58        // these subjects.
     59      }
     60    }
     61  },
     62 
     63  // must eventually call this to remove the listener,
     64  // or mochitests might get borked.
     65  remove() {
     66    SpecialPowers.removeObserver(this, "csp-on-violate-policy");
     67    SpecialPowers.removeObserver(this, "specialpowers-http-notify-request");
     68  }
     69 }
     70 
     71 window.examiner = new examiner();
     72 
     73 window.testResult = function(testname, result, msg) {
     74  //dump("in testResult: testname = " + testname + "\n");
     75 
     76  //test already complete.... forget it... remember the first result.
     77  if (window.tests[testname] != -1)
     78    return;
     79 
     80  window.tests[testname] = result;
     81  is(result, true, testname + ' test: ' + msg);
     82 
     83  // if any test is incomplete, keep waiting
     84  for (var v in window.tests)
     85    if(tests[v] == -1)
     86      return;
     87 
     88  // ... otherwise, finish
     89  window.examiner.remove();
     90  SimpleTest.finish();
     91 }
     92 
     93 // Helpers for inline script/style checks
     94 var black = 'rgb(0, 0, 0)';
     95 var green = 'rgb(0, 128, 0)';
     96 function getElementColorById(doc, id) {
     97  return window.getComputedStyle(doc.contentDocument.getElementById(id)).color;
     98 }
     99 
    100 function checkInlineWithStar() {
    101  var testframe = document.getElementById('testframe1');
    102  window.testResult("starInlineStyleAllowed",
    103                    getElementColorById(testframe, 'inline-style') === green,
    104                    "Inline styles should be allowed (style-src 'unsafe-inline' with star)");
    105  window.testResult("starInlineScriptBlocked",
    106                    getElementColorById(testframe, 'inline-script') === black,
    107                    "Inline scripts should be blocked (style-src 'unsafe-inline' with star)");
    108 }
    109 
    110 function checkInlineWithNone() {
    111  // If a directive has 'none' in addition to other sources, 'none' is ignored
    112  // and the other sources are used. 'none' is only a valid source if it is
    113  // used by itself.
    114  var testframe = document.getElementById('testframe2');
    115  window.testResult("noneInlineStyleAllowed",
    116                    getElementColorById(testframe, 'inline-style') === green,
    117                    "Inline styles should be allowed (style-src 'unsafe-inline' with none)");
    118  window.testResult("noneInlineScriptBlocked",
    119                    getElementColorById(testframe, 'inline-script') === black,
    120                    "Inline scripts should be blocked (style-src 'unsafe-inline' with none)");
    121 }
    122 
    123 document.getElementById('testframe1').src = 'file_bug909029_star.html';
    124 document.getElementById('testframe1').addEventListener('load', checkInlineWithStar);
    125 document.getElementById('testframe2').src = 'file_bug909029_none.html';
    126 document.getElementById('testframe2').addEventListener('load', checkInlineWithNone);
    127    </script>
    128  </body>
    129 </html>