1 files changed, 108 insertions, 0 deletions
diff --git a/LayoutTests/http/tests/security/canvas-remote-read-remote-image-blocked-no-crossorigin.html b/LayoutTests/http/tests/security/canvas-remote-read-remote-image-blocked-no-crossorigin.html
new file mode 100644
index 0000000..4815683
--- /dev/null
+++ b/LayoutTests/http/tests/security/canvas-remote-read-remote-image-blocked-no-crossorigin.html
@@ -0,0 +1,108 @@
+<pre id="console"></pre>
+<script>
+if (window.layoutTestController) {
+    layoutTestController.dumpAsText();
+    layoutTestController.waitUntilDone();
+}
+
+log = function(msg)
+{
+    document.getElementById('console').appendChild(document.createTextNode(msg + "\n"));
+}
+
+testGetImageData = function(context, description)
+{
+    description = "Calling getImageData() from a canvas tainted by a " + description;
+    try {
+        var imageData = context.getImageData(0,0,100,100);
+        log("FAIL: " + description + " was allowed.");
+    } catch (e) {
+        log("PASS: " + description + " was not allowed - Threw error: " + e + ".");
+    }
+}
+
+testToDataURL = function(canvas, description)
+{
+    description = "Calling toDataURL() on a canvas tainted by a " + description;
+    try {
+        var dataURL = canvas.toDataURL();
+        log("FAIL: " + description + " was allowed.");
+    } catch (e) {
+        log("PASS: " + description + " was not allowed - Threw error: " + e + ".");
+    }
+}
+
+test = function(canvas, description)
+{
+    testGetImageData(canvas.getContext("2d"), description);
+    testToDataURL(canvas, description);
+}
+
+var image = new Image();
+image.onload = function() {
+    var canvas = document.createElement("canvas");
+    canvas.width = 100;
+    canvas.height = 100;
+    var context = canvas.getContext("2d");
+
+    // Control tests
+    log("Untainted canvas:");
+    try {
+        var imageData = context.getImageData(0, 0, 100, 100);
+        log("PASS: Calling getImageData() from an untainted canvas was allowed.");
+    } catch (e) {
+        log("FAIL: Calling getImageData() from an untainted canvas was not allowed: Threw error: " + e + ".");
+    }
+    try {
+        var dataURL = canvas.toDataURL();
+        log("PASS: Calling toDataURL() on an untainted canvas was allowed.");
+    } catch (e) {
+        log("FAIL: Calling toDataURL() on an untainted canvas was not allowed: Threw error: " + e + ".");
+    }
+
+    log("\n");
+    log("Tainted canvas:");
+    // Test reading from a canvas after drawing a remote image onto it
+    context.drawImage(image, 0, 0, 100, 100);
+
+    test(canvas, "remote image");
+
+    var dirtyCanvas = canvas;
+
+    // Now test reading from a canvas after drawing a tainted canvas onto it
+    canvas = document.createElement("canvas");
+    canvas.width = 100;
+    canvas.height = 100;
+    var context = canvas.getContext("2d");
+    context.drawImage(dirtyCanvas, 0, 0, 100, 100);
+
+    test(canvas, "tained canvas");
+
+    // Test reading after using a tainted pattern
+    canvas = document.createElement("canvas");
+    canvas.width = 100;
+    canvas.height = 100;
+    var context = canvas.getContext("2d");
+    var remoteImagePattern = context.createPattern(image, "repeat");
+    context.fillStyle = remoteImagePattern;
+    context.fillRect(0, 0, 100, 100);
+
+    test(canvas, "remote image tainted pattern");
+
+    // Test reading after using a tainted pattern
+    canvas = document.createElement("canvas");
+    canvas.width = 100;
+    canvas.height = 100;
+    var context = canvas.getContext("2d");
+    var taintedCanvasPattern = context.createPattern(dirtyCanvas, "repeat");
+    context.fillStyle = taintedCanvasPattern;
+    context.fillRect(0, 0, 100, 100);
+
+    test(canvas, "tainted canvas pattern");
+
+    if (window.layoutTestController)
+        layoutTestController.notifyDone();
+}
+// Notice that we forget to set the image.crossOrigin property!
+image.src = "http://localhost:8000/security/resources/abe-allow-star.php";
+</script>