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<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/content-security-policy/support/testharness-helper.js"></script>
<meta http-equiv="Content-Security-Policy"
content="require-trusted-types-for 'script'; trusted-types default">
</head>
<body>
<script>
const trimmedSampleLength = 40;
const evalSample = "evil = '1234567890123456789012345678901234567890;'";
const trimmedEvalSample = evalSample.substring(0, trimmedSampleLength);
promise_test(t => {
let evil = false;
assert_throws_js(EvalError, _ => {
eval(evalSample);
});
assert_false(evil);
return waitUntilCSPEventForTrustedTypes(t).then(t.step_func_done(e => {
assert_equals(e.sample, `eval|${trimmedEvalSample}`);
}));
}, `Unsafe eval violation sample is clipped to ${trimmedSampleLength} characters.`);
promise_test(t => {
let evil = false;
assert_throws_js(EvalError, _ => {
eval?.(evalSample);
});
assert_false(evil);
return waitUntilCSPEventForTrustedTypes(t).then(t.step_func_done(e => {
assert_equals(e.sample, `eval|${trimmedEvalSample}`);
}));
}, `Unsafe indirect eval violation sample is clipped to ${trimmedSampleLength} characters.`);
const functionBody = "return '1234567890123456789012345678901234567890';";
const sampleWithoutFunctionPrefix = `(a,b\n) {\n${functionBody}\n}`;
promise_test(t => {
assert_throws_js(EvalError, _ => {
new Function("a", "b", functionBody);
});
return waitUntilCSPEventForTrustedTypes(t).then(t.step_func_done(e => {
assert_equals(e.sample, `Function|${sampleWithoutFunctionPrefix.substring(0, trimmedSampleLength)}`);
}));
}, "Function constructor - the other kind of eval - is clipped.");
promise_test(t => {
assert_throws_js(EvalError, _ => {
const AsyncFunction = async function() {}.constructor
new AsyncFunction("a", "b", functionBody);
});
return waitUntilCSPEventForTrustedTypes(t).then(t.step_func_done(e => {
assert_equals(e.sample, `Function|${sampleWithoutFunctionPrefix.substring(0, trimmedSampleLength)}`);
}));
}, "Async Function constructor is also clipped.");
promise_test(t => {
assert_throws_js(EvalError, _ => {
const GeneratorFunction = function*() {}.constructor
new GeneratorFunction("a", "b", functionBody);
});
return waitUntilCSPEventForTrustedTypes(t).then(t.step_func_done(e => {
assert_equals(e.sample, `Function|${sampleWithoutFunctionPrefix.substring(0, trimmedSampleLength)}`);
}));
}, "Generator Function constructor is also clipped.");
promise_test(t => {
assert_throws_js(EvalError, _ => {
const AsyncGeneratorFunction = async function*() {}.constructor
new AsyncGeneratorFunction("a", "b", functionBody);
});
return waitUntilCSPEventForTrustedTypes(t).then(t.step_func_done(e => {
assert_equals(e.sample, `Function|${sampleWithoutFunctionPrefix.substring(0, trimmedSampleLength)}`);
}));
}, "AsyncGenerator Function constructor is also clipped.");
promise_test(t => {
const a = document.createElement("a");
assert_throws_js(TypeError, _ => {
a.innerHTML = "1234567890123456789012345678901234567890xxxx";
});
assert_equals(a.innerHTML, "");
return waitUntilCSPEventForTrustedTypes(t).then(t.step_func_done(e => {
assert_equals(e.sample, "Element innerHTML|1234567890123456789012345678901234567890");
}));
}, "Trusted Types violation sample is clipped to 40 characters excluded the sink name.");
</script>
</body>
</html>
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