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Bug 1509738 - Summary: Test nonce snapshot for CSP loades r=jkt

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Differential Revision: https://phabricator.services.mozilla.com/D19357

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Christoph Kerschbaumer 2019-02-12 18:01:30 +00:00
parent 3179147c0e
commit fcfde902c4
3 changed files with 86 additions and 0 deletions
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48
dom/security/test/csp/file_nonce_snapshot.sjs Normal file
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@ -0,0 +1,48 @@
"use strict";
const TEST_FRAME =
`<!DOCTYPE HTML>
<html>
<body>
<script id='myScript' nonce='123456789' type='application/javascript'></script>
<script nonce='123456789'>
let myScript = document.getElementById('myScript');
// 1) start loading the script using the nonce 123456789
myScript.src='file_nonce_snapshot.sjs?redir-script';
// 2) dynamically change the nonce, load should use initial nonce
myScript.setAttribute('nonce','987654321');
</script>
</body>
</html>`;
const SCRIPT = "window.parent.postMessage('script-loaded', '*');";
function handleRequest(request, response)
{
// avoid confusing cache behaviors
response.setHeader("Cache-Control", "no-cache", false);
let queryString = request.queryString;
if (queryString === "load-frame") {
response.setHeader("Content-Security-Policy", "script-src 'nonce-123456789'", false);
response.setHeader("Content-Type", "text/html", false);
response.write(TEST_FRAME);
return;
}
if (queryString === "redir-script") {
response.setStatusLine("1.1", 302, "Found");
response.setHeader("Location", "file_nonce_snapshot.sjs?load-script", false);
return;
}
if (queryString === "load-script") {
response.setHeader("Content-Type", "application/javascript", false);
response.write(SCRIPT);
return;
}
// we should never get here but just in case return something unexpected
response.write("do'h");
}

3
dom/security/test/csp/mochitest.ini
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@ -368,3 +368,6 @@ support-files =
worker_helper.js
main_csp_worker.html
main_csp_worker.html^headers^
[test_nonce_snapshot.html]
support-files =
file_nonce_snapshot.sjs

35
dom/security/test/csp/test_nonce_snapshot.html Normal file
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@ -0,0 +1,35 @@
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Bug 1509738 - Snapshot nonce at load start time</title>
<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:
* a) the test starts loading a script using whitelisted nonce
* b) the nonce of the script gets modified
* c) the script hits a 302 server side redirect
* d) we ensure the script still loads and does not use the modified nonce
*/
window.addEventListener("message", receiveMessage);
function receiveMessage(event) {
is(event.data, "script-loaded", "script loaded even though nonce was dynamically modified");
window.removeEventListener("message", receiveMessage);
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
let src = "file_nonce_snapshot.sjs?load-frame";
document.getElementById("testframe").src = src;
</script>
</body>
</html>