Add external script speculation rules case#1
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vickiez wants to merge 12 commits intodomenic:speculationrulesfrom
Open
Add external script speculation rules case#1vickiez wants to merge 12 commits intodomenic:speculationrulesfrom
vickiez wants to merge 12 commits intodomenic:speculationrulesfrom
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…metadata in SRI (w3c#778)
As noted in w3c#426, the current "Does element match source list for type and source?" algorithm does not properly handle `strict-dynamic` checks for non-parser-inserted inline scripts. This patch adds a relevant step to the algorithm to match both browser behavior and our existing tests: https://wpt.fyi/results/content-security-policy/script-src/script-src-strict_dynamic_non_parser_inserted.html?label=experimental&label=master&aligned Fixes w3c#426.
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FYI this is domenic's repository, maybe you might want to create a PR to https://github.com/w3c/webappsec-csp/? |
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Thanks! Created a draft here: w3c#808, and will ensure it's updated according to the plan in whatwg/html#11697 |
This upstreams the monkeypatches from https://wicg.github.io/nav-speculation/speculation-rules.html#content-security-policy. At a high level, the additions are: - A new directive, `inline-speculation-rules`, which can be used if developers want to block inline JavaScript `<script>`s but allow inline `<script type=speculationrules>`s. This is done by introducing a new script type, `script speculationrules`, to sit alongside the existing `script` and `script attribute` types; HTML passes this new value in. - Handling of the new `"speculationrules"` request destination, which is used by the `Speculation-Rules` HTTP header. It cannot be blocked by CSP.
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With whatwg/html#11697, external scripts of type
"speculationrules"will now be supported. Update the CSP spec accordingly to ensure this case is subject toscript-src-elemand its fallback chain, similar to inline speculation rules by default.