[Webkit-unassigned] [Bug 179348] New: "Allow from websites I visit" privacy setting strips cookies from 302 redirects on <video>

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179348

            Bug ID: 179348
           Summary: "Allow from websites I visit" privacy setting strips
                    cookies from 302 redirects on <video>
           Product: WebKit
           Version: Safari 11
          Hardware: Macintosh
                OS: macOS 10.12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jerem.selier at gmail.com

Similar to this old bug: https://bugs.webkit.org/show_bug.cgi?id=139683

1. Load website at foo.com
2. Website creates a <video> and points to bar.com in src.
3. bar.com does a 302 redirect to bar.com/somethingelse with a set-cookie

Expected: set-cookie is indeed set on redirect
Actual: set-cookie is not set on bar.com/somethingelse query

If I change my setting to "Always allow". It works fine. Also checked same code in latest iOS on iPhone and it also fail there.
The interesting part is that if I open bar.com in a new tab, the set-cookie is properly set on redirect to bar.com/somethingelse

All others browsers tested work fine. Let me know if you need a repro case.

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