rustdoc template font links only emit crossorigin when needed
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rustbot has assigned @GuillaumeGomez. Use |
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Seems ok to. Do you see any potential issue @notriddle? |
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crossorigin when neededcrossorigin when needed
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Updated check should be a lot more robust, and adjusted naming/comments to discourage other [mis]usage |
lolbinarycat
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Alright I have made it even more robust based on https://url.spec.whatwg.org/#url-parsing scheme parsing 😅 |
lolbinarycat
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Jul 29, 2025
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@GuillaumeGomez Can you take another look? Should properly handle all schemes based on the spec now |
GuillaumeGomez
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Aug 1, 2025
The `crossorigin` attribute may cause issues when the href is not actuall across origins. Specifically, the tag causes the browser to send a preflight OPTIONS request to the href even if it is same-origin. Some tempermental servers may reject all CORS preflect requests even if they're actually same-origin, which causes a CORS error and prevents the fonts from loading, even later on. This commit fixes that problem by not emitting `crossorigin` if the url looks like a domain-relative url. Co-authored-by: Guillaume Gomez <[email protected]>
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Alright I have added the unit tests (though I am unsure how to run them locally) |
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You can run unit tests in rustdoc like this: |
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Just one last nit and we're there. :) |
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Hmm 😅 |
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Arf, sorry about that. I definitely don't like this approach but if it's the one enforced in the project... |
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GuillaumeGomez
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Aug 4, 2025
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@bors r+ rollup |
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…c-fix-cors, r=GuillaumeGomez rustdoc template font links only emit `crossorigin` when needed The `crossorigin` attribute may cause issues when the href is not actually cross-origin. Specifically, the tag causes the browser to send a preflight OPTIONS request to the server even if it is same-origin. Some temperamental servers may reject all CORS preflight requests even if they're actually same-origin, which causes a CORS error and prevents the fonts from loading, even later on. This commit fixes that problem by not emitting `crossorigin` if the url appears to be relative to the same origin.
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The
crossoriginattribute may cause issues when the href is not actually cross-origin. Specifically, the tag causes the browser to send a preflight OPTIONS request to the server even if it is same-origin. Some temperamental servers may reject all CORS preflight requests even if they're actually same-origin, which causes a CORS error and prevents the fonts from loading, even later on.This commit fixes that problem by not emitting
crossoriginif the url appears to be relative to the same origin.