Bug 306585

Summary:	Fix PerformanceResourceTiming TAO checks on same origin requests
Product:	WebKit	Reporter:	ccarley2
Component:	WebKit Misc.	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

ccarley2

Reported 2026-01-29 17:39:04 PST

transferSize, encodedBodySize, and decodedBodySize return 0 if it is not a same origin request. There is a comment that says this is stricter than TAO, but TAO check can fail even on same origin.

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Radar WebKit Bug Importer

Comment 1 2026-01-29 17:39:13 PST

<rdar://problem/169229697>

ccarley2

Comment 2 2026-01-29 17:44:44 PST

Pull request: https://github.com/WebKit/WebKit/pull/57523

EWS

Comment 3 2026-01-30 14:15:41 PST

Committed 306524@main (0eed6a8c1241): <https://commits.webkit.org/306524@main> Reviewed commits have been landed. Closing PR #57523 and removing active labels.

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