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"Cross-Origin-Resource-Policy: cross-origin" header? #290

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hoodmane opened this issue Mar 3, 2021 · 2 comments · Fixed by abistorage/unpkg#1 · May be fixed by #296
Open

"Cross-Origin-Resource-Policy: cross-origin" header? #290

hoodmane opened this issue Mar 3, 2021 · 2 comments · Fixed by abistorage/unpkg#1 · May be fixed by #296

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@hoodmane
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hoodmane commented Mar 3, 2021

Since August 5th jsdelivr has been serving files with a Cross-Origin-Resource-Policy : cross-origin header so that JsDelivr can be used in websites that use SharedArrayBuffer and other newfangled APIs that require cross origin isolation. It would be convenient if unpkg could do the same.

See the corresponding jsdelivr issue:
jsdelivr/jsdelivr#18201
@underrobyn
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+1 this issue

unpkg needs to send this header, other CDNs such as CDNJS and Googleapis.com send this header

adamchainz added a commit to adamchainz/unpkg that referenced this issue Apr 29, 2021
@adamchainz
Add Cross-Origin-Resource-Policy header to embeddable files
a068af3 
Fixes mjackson#290.

See more: https://resourcepolicy.fyi/
@adamchainz adamchainz linked a pull request Apr 29, 2021 that will close this issue
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@rustonaut
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This for example leads to problems when trying to use flutter web (dev builds) with WASM using SharedArrayBuffer buffers to have something "like" threading. (As by default for dev builds https://unpkg.com/[email protected]/bin/canvaskit.js is used.)

@conradthegray conradthegray mentioned this issue Apr 22, 2022
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@sambacha sambacha mentioned this issue Aug 15, 2022
Merged
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@rustonaut @underrobyn @hoodmane