The Tor Browser: dom/browser-element/mochitest/browserElement

     1 /* Any copyright is dedicated to the public domain.

     2    http://creativecommons.org/publicdomain/zero/1.0/ */

     4 // Bug 690168 - Support Allow-From notation for X-Frame-Options header.

     5 "use strict";

     7 SimpleTest.waitForExplicitFinish();

     8 browserElementTestHelpers.setEnabledPref(true);

     9 browserElementTestHelpers.addPermission();

    11 var initialScreenshotArrayBuffer = null;

    13 function arrayBuffersEqual(a, b) {

    14   var x = new Int8Array(a);

    15   var y = new Int8Array(b);

    16   if (x.length != y.length) {

    17     return false;

    18   }

    20   for (var i = 0; i < x.length; i++) {

    21     if (x[i] != y[i]) {

    22       return false;

    23     }

    24   }

    26   return true;

    27 }

    29 function runTest() {

    30   var count = 0;

    32   var iframe = document.createElement('iframe');

    33   SpecialPowers.wrap(iframe).mozbrowser = true;

    34   iframe.height = '1000px';

    36   // The innermost page we load will fire an alert when it successfully loads.

    37   iframe.addEventListener('mozbrowsershowmodalprompt', function(e) {

    38     switch (e.detail.message) {

    39     case 'step 1':

    40       // Make the page wait for us to unblock it (which we do after we finish

    41       // taking the screenshot).

    42       e.preventDefault();

    44       iframe.getScreenshot(1000, 1000).onsuccess = function(sshot) {

    45         var fr = new FileReader();

    46         fr.onloadend = function() {

    47           if (initialScreenshotArrayBuffer == null)

    48             initialScreenshotArrayBuffer = fr.result;

    49           e.detail.unblock();

    50         };

    51         fr.readAsArrayBuffer(sshot.target.result);

    52       };

    53       break;

    54     case 'step 2':

    55       ok(false, 'cross origin page loaded');

    56       break;

    57     case 'finish':

    58       // The page has now attempted to load the X-Frame-Options page; take

    59       // another screenshot.

    60       iframe.getScreenshot(1000, 1000).onsuccess = function(sshot) {

    61         var fr = new FileReader();

    62         fr.onloadend = function() {

    63           ok(arrayBuffersEqual(fr.result, initialScreenshotArrayBuffer),

    64              "Screenshots should be identical");

    65           SimpleTest.finish();

    66         };

    67         fr.readAsArrayBuffer(sshot.target.result);

    68       };

    69       break;

    70     }

    71   });

    73   document.body.appendChild(iframe);

    75   iframe.src = 'http://example.com/tests/dom/browser-element/mochitest/file_browserElement_XFrameOptionsAllowFrom.html';

    76 }

    78 addEventListener('testready', runTest);

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