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<!DOCTYPE html>
<html>
<head>
<title>Embedded Enforcement: Subsumption Algorithm - Basic implementation.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/testharness-helper.sub.js"></script>
</head>
<body>
<script>
// Note that the returned csp should always allow execution of an
// inline script with nonce "abc" (as returned by
// support/echo-policy-multiple.py), otherwise the test might
// return false negatives.
var tests = [
{ "name": "If there is no required csp, iframe should load.",
"required_csp": null,
"returned_csp": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Iframe with empty returned CSP should be blocked.",
"required_csp": "style-src 'none';",
"returned_csp": null,
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Iframe with matching CSP should load.",
"required_csp": "style-src 'none'; script-src 'unsafe-inline'",
"returned_csp": "style-src 'none'; script-src 'unsafe-inline'",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Iframe with more restricting CSP should load.",
"required_csp": "script-src 'nonce-abc' 'nonce-123'",
"returned_csp": "script-src 'nonce-abc'",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Iframe with less restricting CSP should be blocked.",
"required_csp": "style-src 'none'; script-src 'none'",
"returned_csp": "style-src 'none'; script-src 'self' 'nonce-abc'",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Iframe with a different CSP should be blocked.",
"required_csp": "script-src 'nonce-abc' 'nonce-123'",
"returned_csp": "style-src 'none'",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Iframe with a matching and more restrictive ports should load.",
"required_csp": "frame-src http://c.com:443 http://b.com",
"returned_csp": "frame-src http://b.com:80 http://c.com:443",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Host wildcard *.a.com does not match a.com",
"required_csp": "frame-src http://*.a.com",
"returned_csp": "frame-src http://a.com",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Host intersection with wildcards is computed correctly.",
"required_csp": "frame-sr 'none'",
"returned_csp": "frame-src http://a.com",
"returned_csp_2": "frame-src http://*.a.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Iframe should load even if the ports are different but are default for the protocols.",
"required_csp": "frame-src http://b.com:80",
"returned_csp": "child-src https://b.com:443",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Iframe should block if intersection allows sources which are not in required_csp.",
"required_csp": "style-src http://*.example.com:*",
"returned_csp": "style-src http://*.com:*",
"returned_csp_2": "style-src http://*.com http://*.example.com:*",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Iframe should block if intersection allows sources which are not in required_csp (other ordering).",
"required_csp": "style-src http://*.example.com:*",
"returned_csp": "style-src http://*.com:*",
"returned_csp_2": "style-src http://*.example.com:* http://*.com",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Iframe should load if intersection allows only sources which are in required_csp.",
"required_csp": "style-src http://*.example.com",
"returned_csp": "style-src http://*.example.com:*",
"returned_csp_2": "style-src http://*.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Removed plugin-types directive should be ignored.",
"required_csp": "plugin-types application/pdf",
"returned_csp": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Removed plugin-types directive should be ignored 2.",
"required_csp": "plugin-types application/pdf application/x-java-applet",
"returned_csp": "plugin-types application/pdf",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Removed plugin-types directive should be ignored 3.",
"required_csp": "style-src 'none'; plugin-types application/pdf",
"returned_csp": null,
"expected": IframeLoad.EXPECT_BLOCK },
];
tests.forEach(test => {
async_test(t => {
var url = generateUrlWithPolicies(Host.CROSS_ORIGIN, test.returned_csp);
if (test.returned_csp_2)
url.searchParams.append("policy2", test.returned_csp_2);
assert_iframe_with_csp(t, url, test.required_csp, test.expected, test.name, null);
}, test.name);
});
</script>
</body>
</html>
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