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<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
test(t => {
let s = new Sanitizer();
assert_true(s instanceof Sanitizer);
}, "Sanitizer constructor without config.");
test(t => {
let s = new Sanitizer({});
assert_true(s instanceof Sanitizer);
}, "Sanitizer constructor with empty config.");
test(t => {
let s = new Sanitizer(null);
assert_true(s instanceof Sanitizer);
}, "Sanitizer constructor with null as config.");
test(t => {
let s = new Sanitizer(undefined);
assert_true(s instanceof Sanitizer);
}, "Sanitizer constructor with undefined as config.");
test(t => {
let s = new Sanitizer({testConfig: [1,2,3], attr: ["test", "i", "am"]});
assert_true(s instanceof Sanitizer);
}, "Sanitizer constructor with config ignore unknown values.");
test(t => {
assert_false(new Sanitizer().get().comments);
assert_true(new Sanitizer({}).get().comments);
assert_true(new Sanitizer({comments: true}).get().comments);
assert_false(new Sanitizer({comments: false}).get().comments);
let s = new Sanitizer();
s.setComments(true);
assert_true(s.get().comments);
s.setComments(false);
assert_false(s.get().comments);
s.setComments("abc");
assert_true(s.get().comments);
}, "SanitizerConfig comments field.");
test(t => {
assert_false(new Sanitizer().get().dataAttributes);
assert_true(new Sanitizer({ attributes: [] }).get().dataAttributes);
assert_false('dataAttributes' in new Sanitizer({}).get());
assert_false('dataAttributes' in new Sanitizer({ removeAttributes: [] }).get());
assert_true(new Sanitizer({ attributes: [], dataAttributes: true}).get().dataAttributes);
assert_false(new Sanitizer({ attributes: [], dataAttributes: false}).get().dataAttributes);
let s = new Sanitizer();
s.setDataAttributes(true);
assert_true(s.get().dataAttributes);
s.setDataAttributes(false);
assert_false(s.get().dataAttributes);
s.setDataAttributes("abc");
assert_true(s.get().dataAttributes);
}, "SanitizerConfig dataAttributes field.");
function assert_object_equals(a, b, description) {
assert_equals(JSON.stringify(a), JSON.stringify(b), description);
}
function test_normalization(key, value, expected) {
test(t => {
let config = Object.fromEntries([[key, [value]]]);
let s = new Sanitizer(config);
assert_equals(s.get()[key].length, 1);
assert_object_equals(s.get()[key][0], expected);
}, `SanitizerConfig, normalization: ${key}: [${JSON.stringify(value)}]`);
}
for (key of ["elements", "removeElements", "replaceWithChildrenElements"]) {
// The canonical form of elements always includes an empty removeAttributes list.
let extra = key == "elements" ? {removeAttributes: []} : {};
test_normalization(key,
"div",
{name: "div", namespace: "http://www.w3.org/1999/xhtml", ...extra});
test_normalization(key,
{name: "b"},
{name: "b", namespace: "http://www.w3.org/1999/xhtml", ...extra});
test_normalization(key,
{name: "b", namespace: null},
{name: "b", namespace: null, ...extra});
test_normalization(key,
{name: "b", namespace: ""},
{name: "b", namespace: null, ...extra});
test_normalization(key,
{name: "p", namespace: "http://www.w3.org/1999/xhtml"},
{name: "p", namespace: "http://www.w3.org/1999/xhtml", ...extra});
test_normalization(key,
{name: "bla", namespace: "http://fantasy.org/namespace"},
{name: "bla", namespace: "http://fantasy.org/namespace", ...extra});
}
for (key of ["attributes", "removeAttributes"]) {
test_normalization(key,
"href",
{name: "href", namespace: null});
test_normalization(key,
{name: "href", namespace: null},
{name: "href", namespace: null});
// https://wicg.github.io/sanitizer-api/#canonicalize-a-sanitizer-name, step 5
test_normalization(key,
{name: "href", namespace: ""},
{name: "href", namespace: null});
test_normalization(key,
{name: "href", namespace: "https://www.w3.org/1999/xlink"},
{name: "href", namespace: "https://www.w3.org/1999/xlink"});
}
test(t => {
let s = new Sanitizer({elements: ["div", "p"]});
assert_equals(s.get().elements.length, 2);
s.allowElement("bla");
assert_equals(s.get().elements.length, 3);
s.removeElement({name: "div"});
assert_equals(s.get().elements.length, 2);
s.replaceElementWithChildren({name: "p", namespace: "http://www.w3.org/1999/xhtml"});
assert_equals(s.get().elements.length, 1);
assert_object_equals(s.get().elements[0],
{name: "bla", namespace: "http://www.w3.org/1999/xhtml", removeAttributes: []});
}, "Test elements addition.");
test(t => {
let s = new Sanitizer({removeElements: ["div", "p"]});
assert_equals(s.get().removeElements.length, 2);
s.removeElement("bla");
assert_equals(s.get().removeElements.length, 3);
s.replaceElementWithChildren({name: "div"});
assert_equals(s.get().removeElements.length, 2);
s.allowElement({name: "p", namespace: "http://www.w3.org/1999/xhtml"});
assert_equals(s.get().removeElements.length, 1);
assert_object_equals(s.get().removeElements[0],
{name: "bla", namespace: "http://www.w3.org/1999/xhtml"});
}, "Test elements removal.");
test(t => {
let s = new Sanitizer({replaceWithChildrenElements: ["div", "p"]});
assert_equals(s.get().replaceWithChildrenElements.length, 2);
s.replaceElementWithChildren("bla");
assert_equals(s.get().replaceWithChildrenElements.length, 3);
s.allowElement({name: "div"});
assert_equals(s.get().replaceWithChildrenElements.length, 2);
s.removeElement({name: "p", namespace: "http://www.w3.org/1999/xhtml"});
assert_equals(s.get().replaceWithChildrenElements.length, 1);
assert_object_equals(s.get().replaceWithChildrenElements[0],
{name: "bla", namespace: "http://www.w3.org/1999/xhtml"});
}, "Test elements replacewithchildren.");
test(t => {
let s = new Sanitizer({attributes: ["href", "src"]});
assert_equals(s.get().attributes.length, 2);
s.allowAttribute("id");
assert_equals(s.get().attributes.length, 3);
s.removeAttribute({name: "href", namespace: "https://www.w3.org/1999/xlink" });
assert_equals(s.get().attributes.length, 3);
s.removeAttribute({name: "href"});
assert_equals(s.get().attributes.length, 2);
s.removeAttribute({name: "src", namespace: null});
assert_equals(s.get().attributes.length, 1);
assert_object_equals(s.get().attributes[0],
{name: "id", namespace: null});
}, "Test attribute addition.");
test(t => {
let s = new Sanitizer({removeAttributes: ["href", "src"]});
assert_equals(s.get().removeAttributes.length, 2);
s.removeAttribute("id");
assert_equals(s.get().removeAttributes.length, 3);
s.allowAttribute({name: "href", namespace: "https://www.w3.org/1999/xlink" });
assert_equals(s.get().removeAttributes.length, 3);
s.allowAttribute({name: "href"});
assert_equals(s.get().removeAttributes.length, 2);
s.allowAttribute({name: "src", namespace: null});
assert_equals(s.get().removeAttributes.length, 1);
assert_object_equals(s.get().removeAttributes[0],
{name: "id", namespace: null});
}, "Test attribute removal.");
test(t => {
let s = new Sanitizer({elements: [{name: "div", attributes: ["href", "src"]}]});
assert_equals(s.get().elements.length, 1);
assert_true("attributes" in s.get().elements[0]);
assert_false("removeAttributes" in s.get().elements[0]);
assert_equals(s.get().elements[0].attributes.length, 2);
s.allowElement({name: "div", namespace: "http://www.w3.org/1999/xhtml",
attributes: ["class"]});
assert_equals(s.get().elements[0].attributes.length, 1);
assert_object_equals(s.get().elements[0].attributes[0],
{ name: "class", namespace: null });
}, "Test attribute-per-element sets (i.e. overwrites).");
test(t => {
let s = new Sanitizer({elements: [{name: "div", removeAttributes: ["href", "src"]}]});
assert_equals(s.get().elements.length, 1);
assert_false("attributes" in s.get().elements[0]);
assert_true("removeAttributes" in s.get().elements[0]);
assert_equals(s.get().elements[0].removeAttributes.length, 2);
s.allowElement({name: "div", namespace: "http://www.w3.org/1999/xhtml",
removeAttributes: ["class"]});
assert_equals(s.get().elements[0].removeAttributes.length, 1);
assert_object_equals(s.get().elements[0].removeAttributes[0],
{ name: "class", namespace: null });
}, "Test removeAttribute-per-element sets (i.e. overwrites).");
</script>
</body>
</html>
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