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| 1 <!-- | |
| 2 Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 3 Use of this source code is governed by a BSD-style license that can be | |
| 4 found in the LICENSE file. | |
| 5 --> | |
| 6 <!DOCTYPE html> | |
| 7 <html> | |
| 8 <head> | |
| 9 <meta charset="utf-8"> | |
| 10 <title>WebGL Origin Restrictions Conformance Tests</title> | |
| 11 <link rel="stylesheet" href="../../resources/js-test-style.css"/> | |
| 12 <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></s
cript> | |
| 13 <script src="../../resources/js-test-pre.js"></script> | |
| 14 <script src="../resources/webgl-test.js"></script> | |
| 15 <script> | |
| 16 // This function returns the last 2 words of the domain of a URL | |
| 17 // This is probably not the correct check but it will do for now. | |
| 18 function getBaseDomain(str) { | |
| 19 str = str.replace("\\", "/"); | |
| 20 var pos = str.indexOf("://"); | |
| 21 if (pos >= 0) { | |
| 22 str = str.substr(pos + 3); | |
| 23 } | |
| 24 var parts = str.split('/'); | |
| 25 var domain = parts[0].match(/\w+\.\w+$/); | |
| 26 return domain || ''; | |
| 27 } | |
| 28 | |
| 29 // Checks if function throws an exception. | |
| 30 function causedException(func) { | |
| 31 var hadException = false; | |
| 32 try { | |
| 33 func(); | |
| 34 } catch(e) { | |
| 35 hadException = true; | |
| 36 } | |
| 37 return hadException; | |
| 38 } | |
| 39 | |
| 40 window.onload = function() { | |
| 41 description("This test ensures WebGL implementations follow proper same-origin
restrictions."); | |
| 42 var img = document.getElementById("img"); | |
| 43 assertMsg(img.width > 0 && img.height > 0, "img was loaded"); | |
| 44 imgDomain = getBaseDomain(img.src); | |
| 45 pageDomain = getBaseDomain(window.location.toString()); | |
| 46 assertMsg(imgDomain != pageDomain, | |
| 47 "img domain (" + imgDomain + ") and page domain (" + pageDomain + ")
are not the same."); | |
| 48 | |
| 49 function makeTexImage2D(gl, src) { | |
| 50 return function() { | |
| 51 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, src); | |
| 52 }; | |
| 53 } | |
| 54 | |
| 55 function makeTexSubImage2D(gl, src) { | |
| 56 return function() { | |
| 57 gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, src); | |
| 58 }; | |
| 59 } | |
| 60 | |
| 61 function makeReadPixels(gl) { | |
| 62 return function() { | |
| 63 var buf = new Uint8Array(4); | |
| 64 gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, buf); | |
| 65 }; | |
| 66 } | |
| 67 | |
| 68 function makeToDataURL(canvas) { | |
| 69 return function() { | |
| 70 var data = canvas.toDataURL(); | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 var canvas1 = document.getElementById("canvas1"); | |
| 75 var gl = create3DContext(canvas1); | |
| 76 | |
| 77 debug(""); | |
| 78 debug("check that an attempt to upload an image from another origin throws an
exception."); | |
| 79 var tex = gl.createTexture(); | |
| 80 gl.bindTexture(gl.TEXTURE_2D, tex); | |
| 81 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 256, 256, 0, gl.RGBA, gl.UNSIGNED_BYT
E, null); | |
| 82 assertMsg(causedException(makeTexImage2D(gl, img)), | |
| 83 "texImage2D with cross-origin image should throw exception."); | |
| 84 assertMsg(causedException(makeTexSubImage2D(gl, img)), | |
| 85 "texSubImage2D with cross-origin image should throw exception."); | |
| 86 | |
| 87 debug("check that readPixels and toDataURL continue to work against this canva
s."); | |
| 88 assertMsg(!causedException(makeReadPixels(gl)), | |
| 89 "readPixels should never throw exception -- not possible to dirty or
igin of WebGL canvas."); | |
| 90 assertMsg(!causedException(makeToDataURL(canvas1)), | |
| 91 "should not throw exception by toDataURL for WebGL canvas, which sho
uld stay origin clean."); | |
| 92 | |
| 93 debug("check that an attempt to upload a tainted canvas throws an exception.")
; | |
| 94 var canvas2 = document.getElementById("canvas2"); | |
| 95 var ctx2d = canvas2.getContext("2d"); | |
| 96 ctx2d.drawImage(img, 0, 0); | |
| 97 assertMsg(causedException(makeToDataURL(canvas2)), | |
| 98 "should throw exception by toDataURL for NON origin clean canvas."); | |
| 99 assertMsg(causedException(makeTexImage2D(gl, canvas2)), | |
| 100 "texImage2D with NON origin clean canvas should throw exception."); | |
| 101 assertMsg(causedException(makeTexSubImage2D(gl, canvas2)), | |
| 102 "texSubImage2D with NON origin clean canvas should throw exception."
); | |
| 103 | |
| 104 debug("check that readPixels and toDataURL continue to work against this canva
s."); | |
| 105 assertMsg(!causedException(makeReadPixels(gl)), | |
| 106 "readPixels should never throw exception -- not possible to dirty or
igin of WebGL canvas."); | |
| 107 assertMsg(!causedException(makeToDataURL(canvas1)), | |
| 108 "should not throw exception by toDataURL for WebGL canvas, which sho
uld stay origin clean."); | |
| 109 | |
| 110 // TODO: Should check video. | |
| 111 // TODO: Should check CORS support. | |
| 112 | |
| 113 debug(""); | |
| 114 successfullyParsed = true; | |
| 115 shouldBeTrue("successfullyParsed"); | |
| 116 debug('<br /><span class="pass">TEST COMPLETE</span>'); | |
| 117 notifyFinishedToHarness(); | |
| 118 } | |
| 119 </script> | |
| 120 </head> | |
| 121 <body> | |
| 122 <div id="description"></div> | |
| 123 <div id="console"></div> | |
| 124 <canvas id="canvas1"></canvas> | |
| 125 <canvas id="canvas2"></canvas> | |
| 126 <img id="img" src="http://www.opengl.org/img/opengl_logo.jpg" style="display:non
e;"> | |
| 127 </body> | |
| 128 </html> | |
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Chromium Code Reviews
Issue 9360034:
Remove everthing except conformance tests in the deps/third_party/webgl (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/