Quelle test_video_crossorigin.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/canvas/test/crossorigin/test_video_crossorigin.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 682299</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript" src="/tests/dom/media/test/manifest.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=682299">Mozilla Bug 682299</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 682299 **/
SimpleTest.requestFlakyTimeout("untriaged");

function createCanvas(width, height) {
  var c = document.createElement("canvas");
  c.width = width;
  c.height = height;
  return c;
}

function checkGetImageData(ctx, v) {
  try {
    var data = ctx.getImageData(0, 0, 1, 1);
    ok(true, "drawImage '" + v.src + "' then getImageData with crossOrigin='" + v.crossOrigin + "' worked");
  } catch(error) {
    ok(!v.crossOrigin && error.name === "SecurityError", "drawImage '" + v.src + "' then getImageData with crossOrigin='" + v.crossOrigin + "' failed");
    v.tainted = true;
  }
}

function checkGetImageDataTainted(ctx, v) {
  try {
    var data = ctx.getImageData(0, 0, 1, 1);
    ok(false, "changing the CORS mode should not allow reading data from remote videos");
  } catch (error) {
    ok(error.name === "SecurityError", "changing the CORS mode, drawImage '" + v.src + "' then getImageData with crossOrigin='" + v.crossOrigin + "' failed");
  }
}

function checkCaptureStream(c, v) {
  try {
    var stream = c.captureStream(0);
    ok(true, "drawImage '" + v.src + "' then captureStream with crossOrigin='" + v.crossOrigin + "' worked");
  } catch(error) {
    ok(!v.crossOrigin && error.name === "SecurityError", "drawImage '" + v.src + "' then captureStream with crossOrigin='" + v.crossOrigin + "' failed");
    v.tainted = true;
  }
}

function checkCaptureStreamTainted(c, v) {
  try {
    var stream = c.captureStream(0);
    ok(false, "changing the CORS mode should not allow capturing a stream from remote videos");
  } catch (error) {
    ok(error.name === "SecurityError", "changing the CORS mode, drawImage '" + v.src + "' then captureStream with crossOrigin='" + v.crossOrigin + "' failed");
  }
}

function testCanvasDrawImage(v) {
  var c = createCanvas(v.width, v.height);
  var ctx = c.getContext("2d");
  ctx.drawImage(v, 0, 0);

  checkGetImageData(ctx, v);
  checkCaptureStream(c, v);
}

function testCanvasCreatePattern(v) {
  var c = createCanvas(v.width, v.height);
  var ctx = c.getContext("2d");
  ctx.fillStyle = ctx.createPattern(v, "");
  ctx.fillRect(0, 0, c.width, c.height);

  checkGetImageData(ctx, v);
  checkCaptureStream(c, v);
}

function testWebGL(gl, v) {
  var tex = gl.createTexture();
  gl.bindTexture(gl.TEXTURE_2D, tex);

  try {
    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, v);
    ok(true, "createTexture from '" + v.src + "' with crossOrigin='" + v.crossOrigin + "' worked");
  } catch (error) {
    ok(!v.crossOrigin && error.name === "SecurityError", "createTexture from '" + v.src + "' with crossOrigin='" + v.crossOrigin + "' failed");
    v.tainted = true;
  }
}

function testTaintedCanvas(v) {
  var c = createCanvas(v.width, v.height);
  var ctx = c.getContext("2d");
  ctx.drawImage(v, 0, 0);

  checkGetImageDataTainted(ctx, v);
  checkCaptureStreamTainted(c, v);
}

function vidDataSuccess(e) {
  ok(!e.target.error, "Load '" + e.target.src + "' with crossOrigin='" + e.target.crossOrigin + "'");

  testCanvasDrawImage(e.target);
  testCanvasCreatePattern(e.target);
  if (document.gl) {
    testWebGL(document.gl, e.target);
  }
  // If we change the CORS mode after loading the file without CORS it should still throw a security error
  if (e.target.tainted) {
    e.target.crossOrigin = "anonymous";
    testTaintedCanvas(e.target);
  }

  doneTest(e);
}

function vidLoadFailure(e) {
  ok(false, "Load '" + e.target.src + "' with crossOrigin='" + e.target.crossOrigin + "'");
  doneTest(e);
}

function vidErrorSuccess(e) {
  ok(e.target.error.code === MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED,
    "Load '" + e.target.src + "' with crossOrigin='" + e.target.crossOrigin + "'");
  doneTest(e);
}

function startTest(test, token) {
  var v = document.createElement('video');
  if (test.cors === "just-crossOrigin-without-value") {
    var div = document.createElement('div');
    div.innerHTML="

;
    v = div.children[0];
  } else if (test.cors !== "missing-value-default") {
    v.crossOrigin = test.cors;
  }
  v.token = token;
  document.manager.started(token);
  v.autoplay = true;
  v.preload = "auto";
  v.style.display = "none";
  if (test.nameIntent === test.corsIntent || test.corsIntent === "none" ||
      (test.nameIntent === "use-credentials" && test.corsIntent === "anonymous")) {
    v.addEventListener("loadeddata", vidDataSuccess);
    v.addEventListener("error", vidLoadFailure);
  } else {
    v.addEventListener("loadeddata", vidLoadFailure);
    v.addEventListener("error", vidErrorSuccess);
  }
  v.src = test.name;
  document.body.appendChild(v);
}

function doneTest(e) {
  var v = e.target;
  v.remove();
  document.manager.finished(v.token);
}

function beginTest() {
  var videoFile = getPlayableVideo(gSmallTests);
  if (!videoFile) {
    SimpleTest.finish();
  }
  videoFile = "?name=tests/dom/media/test/" + videoFile.name + "&type=" + videoFile.type;

  document.manager = new MediaTestManager;
  var corsTests = [];

  const host = "http://example.com/tests/dom/canvas/test/crossorigin/video.sjs";
  const serverAttrValues = [
    [ "&cors=none", "none" ],
    [ "&cors=anonymous", "anonymous" ],
    [ "&cors=use-credentials", "use-credentials" ]
  ];
  const clientAttrValues = [
    [ "missing-value-default", "none" ],
    [ "", "anonymous" ],
    [ "just-crossOrigin-without-value", "anonymous" ],
    [ "anonymous", "anonymous" ],
    [ "use-credentials", "use-credentials" ],
    [ "foobar", "anonymous" ]
  ];

  // Build the video file test array
  for (var i = 0; i < serverAttrValues.length; i++) {
    for (var n = 0; n < clientAttrValues.length; n++) {
      corsTests.push({
        name: host + videoFile + serverAttrValues[i][0],
        nameIntent: serverAttrValues[i][1],
        cors: clientAttrValues[n][0],
        corsIntent: clientAttrValues[n][1]
      });
    }
  }
  try {
    document.gl = createCanvas(16, 16).getContext("experimental-webgl");
  } catch (ex) {
    // Mac OS X 10.5 doesn't support WebGL, so we won't run the WebGL tests
  }
  document.manager.runTests(corsTests, startTest);
}

SimpleTest.waitForExplicitFinish();
beginTest();
</script>
</pre>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.24 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.