[Webkit-unassigned] [Bug 29255] New: REGRESSION (r47807): XHRs from local files to http: URLs fail due to cross-origin security policy on Windows, but don't on Mac

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29255

           Summary: REGRESSION (r47807): XHRs from local files to http:
                    URLs fail due to cross-origin security policy on
                    Windows, but don't on Mac
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Keywords: NeedsRadar, PlatformOnly, Regression
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: ap at webkit.org, mjs at apple.com, sam at webkit.org,
                    abarth at webkit.org, darin at apple.com


As of r47807, XHRs from local files to http: URLs fail on Windows due to the
cross-origin security policy. But these same XHRs don't fail on Mac. r47807
reduced privileges for file: URLs on all platforms but Mac, so now Safari on
Windows and Safari on Mac have different behavior. (My understanding is that
privileges were not changed on Mac due to concerns about compatibility with
WebKit clients, but not with Safari in particular.)

It seems like Safari on all platforms should have the same behavior. But what
behavior is desired?

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