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Add tests for setAttribute/setAttributeNS and non-event-handler attri… #50046

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Jan 13, 2025
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Add tests for setAttribute/setAttributeNS and non-event-handler attri… #50046

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98 changes: 98 additions & 0 deletions trusted-types/Element-setAttribute-setAttributeNS-sinks.tentative.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/namespaces.js"></script>
<meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'">
<link rel="help" href="https://w3c.github.io/trusted-types/dist/spec/#get-trusted-type-data-for-attribute">
<link rel="help" href="https://github.com/whatwg/dom/pull/1268">
</head>
<script>
const input_string = "unsafe string";
const output_string = "safe string";
let iframeElement;
let scriptElement;
let svgScriptElement;
let seenSinkName;
let seenTrustedTypeName;
function resetGlobalVariables() {
iframeElement = document.createElement('iframe');
scriptElement = document.createElement('script');
svgScriptElement = document.createElementNS(NSURI_SVG, 'script');
seenSinkName = undefined;
seenTrustedTypeName = undefined;
}
resetGlobalVariables();

function createTrustedType(input, trustedTypeName, sinkName) {
assert_equals(input, input_string);
assert_equals(seenSinkName, undefined);
seenSinkName = sinkName;
assert_equals(seenTrustedTypeName, undefined);
seenTrustedTypeName = trustedTypeName;
return output_string;
}
trustedTypes.createPolicy("default", {
createHTML: createTrustedType,
createScript: createTrustedType,
createScriptURL: createTrustedType,
});

test(t => {
t.add_cleanup(resetGlobalVariables);
iframeElement.setAttribute("srcdoc", input_string);
assert_equals(seenTrustedTypeName, "TrustedHTML");
assert_equals(seenSinkName, "HTMLIFrameElement srcdoc");
assert_equals(iframeElement.getAttribute("srcdoc"), output_string);
}, "HTMLIFrameElement.setAttribute('srcdoc', plain_string)");

test(t => {
t.add_cleanup(resetGlobalVariables);
iframeElement.setAttributeNS(null, "srcdoc", input_string);
assert_equals(seenTrustedTypeName, "TrustedHTML");
assert_equals(seenSinkName, "HTMLIFrameElement srcdoc");
assert_equals(iframeElement.getAttribute("srcdoc"), output_string);
}, "HTMLIFrameElement.setAttributeNS(null, 'srcdoc', plain_string)");

test(t => {
t.add_cleanup(resetGlobalVariables);
scriptElement.setAttribute("src", input_string);
assert_equals(seenTrustedTypeName, "TrustedScriptURL");
assert_equals(seenSinkName, "HTMLScriptElement src");
assert_equals(scriptElement.getAttribute("src"), output_string);
}, "HTMLScriptElement.setAttribute('src', plain_string)");

test(t => {
t.add_cleanup(resetGlobalVariables);
scriptElement.setAttributeNS(null, "src", input_string);
assert_equals(seenTrustedTypeName, "TrustedScriptURL");
assert_equals(seenSinkName, "HTMLScriptElement src");
assert_equals(scriptElement.getAttribute("src"), output_string);
}, "HTMLScriptElement.setAttributeNS(null, 'src', plain_string)");

test(t => {
t.add_cleanup(resetGlobalVariables);
svgScriptElement.setAttribute("href", input_string);
assert_equals(seenTrustedTypeName, "TrustedScriptURL");
assert_equals(seenSinkName, "SVGScriptElement href");
assert_equals(svgScriptElement.getAttribute("href"), output_string);
}, "SVGScriptElement.setAttribute('href', plain_string)");

test(t => {
t.add_cleanup(resetGlobalVariables);
svgScriptElement.setAttributeNS(null, "href", input_string);
assert_equals(seenTrustedTypeName, "TrustedScriptURL");
assert_equals(seenSinkName, "SVGScriptElement href");
assert_equals(svgScriptElement.getAttribute("href"), output_string);
}, "SVGScriptElement.setAttributeNS(null, 'href', plain_string)");

test(t => {
t.add_cleanup(resetGlobalVariables);
svgScriptElement.setAttributeNS(NSURI_XLINK, "href", input_string);
assert_equals(seenTrustedTypeName, "TrustedScriptURL");
assert_equals(seenSinkName, "SVGScriptElement href");
assert_equals(svgScriptElement.getAttributeNS(NSURI_XLINK, "href"),
output_string);
assert_equals(svgScriptElement.getAttribute("href"), output_string);
}, "SVGScriptElement.setAttributeNS(NSURI_XLINK, 'href', plain_string)");
</script>