NEW228323
[ITP] Investigate making cross-site Referrer stripping stricter, using origin instead 
https://bugs.webkit.org/show_bug.cgi?id=228323
Summary [ITP] Investigate making cross-site Referrer stripping stricter, using origin...
Sam Sneddon [:gsnedders]
Reported 2021-07-27 06:50:36 PDT
Currently on ToT, with the Referrer-Policy default now strict-origin-when-cross-origin, the ITP cross-site referrer stripping only applies when a Referrer-Policy of unsafe-url or no-referrer-when-downgrade is set. It would be worthwhile seeing if we can get away (compat wise) with making ITP stricter than the current cross-site restrictions; specifically, it would be nice to see if we could enforce this on origin boundaries as this would mean we could simply treat unsafe-url as origin-when-cross-origin and no-referrer-when-downgrade as strict-origin-when-cross-origin. To me, this is aesthetically nicer, as our behaviour can then always be explained in terms of Referrer-Policy.
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Radar WebKit Bug Importer
Comment 1 2021-07-28 04:02:54 PDT
<rdar://problem/81210147>
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