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de5398a6ad
This ensures HTML wrapped in TrustedHTML can be used as an input to jQuery manipulation methods in a way that doesn't violate the `require-trusted-types-for` Content Security Policy directive. This commit builds on previous work needed for trusted types support, including gh-4642 and gh-4724. One restriction is that while any TrustedHTML wrapper should work as input for jQuery methods like `.html()` or `.append()`, for passing directly to the `jQuery` factory the string must start with `<` and end with `>`; no trailing or leading whitespaces are allowed. This is necessary as we cannot parse out a part of the input for further construction; that would violate the CSP rule - and that's what's done to HTML input not matching these constraints. No trusted types API is used explicitly in source; the majority of the work is ensuring we don't pass the input converted to string to APIs that would eventually assign it to `innerHTML`. This extra cautiousness is caused by the API being Blink-only, at least for now. The ban on passing strings to `innerHTML` means support tests relying on such assignments are impossible. We don't currently have such tests on the `main` branch but we used to have many of them in the 3.x & older lines. If there's a need to re-add such a test, we'll need an escape hatch to skip them for apps needing CSP-enforced TrustedHTML. See https://web.dev/trusted-types/ for more information about TrustedHTML. Fixes gh-4409 Closes gh-4927 Ref gh-4642 Ref gh-4724
15 lines
368 B
HTML
15 lines
368 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>CSP Test Page</title>
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<script src="../../dist/jquery.min.js"></script>
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<script src="iframeTest.js"></script>
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<script src="support/csp.js"></script>
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<script src="support/getComputedSupport.js"></script>
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</head>
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<body>
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<p>CSP Test Page</p>
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</body>
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</html>
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