[Backport 20.3.x] preserve referrer & referrerPolicy metadata in asset requests#69483
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SkyZeroZx wants to merge 2 commits into
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[Backport 20.3.x] preserve referrer & referrerPolicy metadata in asset requests#69483SkyZeroZx wants to merge 2 commits into
SkyZeroZx wants to merge 2 commits into
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Preserve referrer metadata when the service worker reconstructs asset requests for cache-busted and redirected asset fetches. For example, an attacker with access to asset host logs could receive a reset token embedded in a page URL if the reconstructed request falls back to default referrer behavior instead of carrying referrer: ''. (cherry picked from commit 99ad47e)
Preserve explicit referrer policy when the service worker reconstructs asset requests for cache-busted and redirected asset fetches. For example, an application can load a script or image with referrerPolicy: 'same-origin' or 'origin' to limit referrer data. Dropping that policy can expose more of the current URL to that resource host. (cherry picked from commit a7f52e5)
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Backport of #69413