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Bug 1086999 - CSP: Asterisk (*) wildcard should not allow blob:, data:, or filesystem: when matching source expressions - tests (r=sstamm)

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This commit is contained in:
Christoph Kerschbaumer 2015-02-10 14:54:36 -08:00
parent 0b74f99a37
commit c2ad97aaac
3 changed files with 140 additions and 0 deletions
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49
dom/base/test/csp/file_blob_data_schemes.html Normal file
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@ -0,0 +1,49 @@
<!DOCTYPE HTML>
<html>
<head>
<title>Bug 1086999 - Wildcard should not match blob:, data:</title>
</head>
<body>
<script type="text/javascript">
var base64data =
"iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12" +
"P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";
// construct an image element using *data:*
var data_src = "data:image/png;base64," + base64data;
var data_img = document.createElement('img');
data_img.onload = function() {
window.parent.postMessage({scheme: "data", result: "allowed"}, "*");
}
data_img.onerror = function() {
window.parent.postMessage({scheme: "data", result: "blocked"}, "*");
}
data_img.src = data_src;
document.body.appendChild(data_img);
// construct an image element using *blob:*
var byteCharacters = atob(base64data);
var byteNumbers = new Array(byteCharacters.length);
for (var i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
var byteArray = new Uint8Array(byteNumbers);
var blob = new Blob([byteArray], {type: "image/png"});
var imageUrl = URL.createObjectURL( blob );
var blob_img = document.createElement('img');
blob_img.onload = function() {
window.parent.postMessage({scheme: "blob", result: "allowed"}, "*");
}
blob_img.onerror = function() {
window.parent.postMessage({scheme: "blob", result: "blocked"}, "*");
}
blob_img.src = imageUrl;
document.body.appendChild(blob_img);
</script>
</body>
</html>

2
dom/base/test/csp/mochitest.ini
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@ -1,6 +1,7 @@
[DEFAULT]
support-files =
file_base-uri.html
file_blob_data_schemes.html
file_connect-src.html
file_connect-src-fetch.html
file_CSP.css
@ -111,6 +112,7 @@ support-files =
referrerdirective.sjs
[test_base-uri.html]
[test_blob_data_schemes.html]
[test_connect-src.html]
[test_CSP.html]
[test_csp_allow_https_schemes.html]

89
dom/base/test/csp/test_blob_data_schemes.html Normal file
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<!DOCTYPE HTML>
<html>
<head>
<title>Bug 1086999 - Wildcard should not match blob:, data:</title>
<!-- Including SimpleTest.js so we can use waitForExplicitFinish !-->
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<iframe style="width:100%;" id="testframe"></iframe>
<script class="testbody" type="text/javascript">
/* Description of the test:
* We load an image using a data: and a blob: scheme and make
* sure a CSP containing a single ASTERISK (*) does not whitelist
* those loads. The single ASTERISK character should not match a
* URI's scheme of a type designating globally unique identifier
* (such as blob:, data:, or filesystem:)
*/
var tests = [
{
policy : "default-src 'unsafe-inline' blob: data:",
expected : "allowed",
},
{
policy : "default-src 'unsafe-inline' *",
expected : "blocked"
}
];
var testIndex = 0;
var messageCounter = 0;
var curTest;
// onError handler is over-reporting, hence we make sure that
// we get an error for both testcases: data and blob before we
// move on to the next test.
var dataRan = false;
var blobRan = false;
// a postMessage handler to communicate the results back to the parent.
window.addEventListener("message", receiveMessage, false);
function receiveMessage(event)
{
is(event.data.result, curTest.expected, event.data.scheme + " should be " + curTest.expected);
if (event.data.scheme === "data") {
dataRan = true;
}
if (event.data.scheme === "blob") {
blobRan = true;
}
if (dataRan && blobRan) {
loadNextTest();
}
}
function loadNextTest() {
if (testIndex === tests.length) {
window.removeEventListener("message", receiveMessage, false);
SimpleTest.finish();
return;
}
dataRan = false;
blobRan = false;
curTest = tests[testIndex++];
// reset the messageCounter to make sure we receive all the postMessages from the iframe
messageCounter = 0;
var src = "file_csp_testserver.sjs";
// append the file that should be served
src += "?file=" + escape("tests/dom/base/test/csp/file_blob_data_schemes.html");
// append the CSP that should be used to serve the file
src += "&csp=" + escape(curTest.policy);
document.getElementById("testframe").src = src;
}
SimpleTest.waitForExplicitFinish();
loadNextTest();
</script>
</body>
</html>