mozilla-release/testing/web-platform/tests/content-security-policy/script-src/script-src-strict_dynamic_hashes.html

<!DOCTYPE HTML>
<html>

<head>
    <title>`strict-dynamic` allows scripts matching hashes present in the policy.</title>
    <script src='/resources/testharness.js' nonce='dummy'></script>
    <script src='/resources/testharnessreport.js' nonce='dummy'></script>

    <!-- CSP served: script-src 'strict-dynamic' 'nonce-dummy' 'sha256-yU6Q7nD1TCBB9JvY06iIJ8ONLOPU4g8ml5JCDgXkv+M=' 'sha256-IFt1v6itHgqlrtInbPm/y7qyWcAlDbPgZM+92C5EZ5o=' -->
</head>

<body>
    <h1>`strict-dynamic` allows scripts matching hashes present in the policy.</h1>
    <div id='log'></div>

    <script nonce='dummy'>
        var hashScriptRan = false;
        window.addEventListener('securitypolicyviolation', function(e) {
            assert_unreached('No CSP violation report has fired.');
        });
    </script>

    <!-- Hash: 'sha256-yU6Q7nD1TCBB9JvY06iIJ8ONLOPU4g8ml5JCDgXkv+M=' -->
    <script>
        hashScriptRan = true;
    </script>

    <script nonce='dummy'>
        async_test(function(t) {
            assert_true(hashScriptRan);
            t.done();
        }, "Script matching SHA256 hash is allowed with `strict-dynamic`.");
    </script>

    <!-- Hash: 'sha256-IFt1v6itHgqlrtInbPm/y7qyWcAlDbPgZM+92C5EZ5o=' -->
    <script>
        async_test(function(t) {
            window.addEventListener('message', t.step_func(function(e) {
                if (e.data === 'hashScript') {
                    t.done();
                }
            }));
            var e = document.createElement('script');
            e.id = 'hashScript';
            e.src = 'simpleSourcedScript.js?' + e.id;
            e.onerror = t.unreached_func('Error should not be triggered.');
            document.body.appendChild(e);
        }, 'Script injected via `appendChild` from a script matching SHA256 hash is allowed with `strict-dynamic`.');
    </script>
</body>

</html>