[Webkit-unassigned] [Bug 199499] New: Do not put cross-origin top-level prefetches in HTTP cache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=199499

            Bug ID: 199499
           Summary: Do not put cross-origin top-level prefetches in HTTP
                    cache
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rbuis at igalia.com
                CC: beidson at apple.com

Currently when we navigate we check if there is a cross-origin top-level prefetch we can use for the navigation. The current solution uses the HTTP cache as a way to store the prefetch and to immediately use it for the navigation. However this solution fails in case the prefetch is not cacheable in the first place. Instead of this, skip storing in the HTTP cache and simulate a HTTP Cache entry to process the load.

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