Add new trusted-eval source expression to 'script-src' directive.
#473
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This is not part of v1 of trusted types and as such is not covered by any existing standards positions. So we'll need to file positions separately when the time comes. |
lukewarlow
commented
Mar 12, 2024
| @@ -1779,6 +1802,9 @@ throws an "`EvalError`" if not: | |||
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| 1. <ins>If |sourceString| is not equal to |source|, throw an {{EvalError}}.</ins> | |||
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| 1. <ins>Let |requireTrustedTypes| be the result of executing [$Does sink type require trusted types?$] algorithm, | |||
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As currently written this doesn't deal with the case where script-src is in enforcement mode but requre-trusted-types-for isn't.
lukewarlow
commented
Mar 12, 2024
| 3. If |source-list| is not `null`, and does not contain a [=source expression=] which is | ||
| an [=ASCII case-insensitive=] match for the string "<a grammar>`'unsafe-eval'`</a>" then: | ||
| 3. If |source-list| is not `null`, then: | ||
| 1. <ins>If |requireTrustedTypes| and |source-list| contains a [=source expression=] which is |
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Perhaps rather than doing the requireTrustedTypes check here, we should use trusted-eval as an enforcement mechanism. So it implies require-trusted-types-for in the eval context?
Not sure if that's good or bad just an idea.
This allows removal of 'unsafe-eval' keyword provided you enforce trusted types and replace it with 'trusted-eval'.
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Going to close this and move it as a PR against CSP itself. |
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MOved to w3c/webappsec-csp#665 |
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Fixes #221 and #143
This allows removal of 'unsafe-eval' keyword provided you enforce trusted types and replace it with 'trusted-eval'.
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