LGTM to experiment from M106 to M110. On 7/27/22 9:00 AM, 'Arthur Hemery' via blink-dev wrote:
Please note that a TAG issue was just filed: https://github.com/w3ctag/design-reviews/issues/760On Tue, Jul 26, 2022 at 4:59 PM Arthur Hemery <ahem...@google.com> wrote: Contact emails ahem...@chromium.org Explainer https://github.com/hemeryar/explainers/blob/main/coop_restrict_properties.md Specification https://github.com/whatwg/html/issues/6364 Summary Cross-Origin-Opener-Policy is used to sever the relationship between popup and openers, to increase security. "restrict-properties" is a proposed value that restricts the relationship instead of completely severing it. It would enable crossOriginIsolated when paired with COEP. Blink component Blink>SecurityFeature>COOP <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ESecurityFeature%3ECOOP> Search tags COOP <https://chromestatus.com/features#tags:COOP>, restrict-properties <https://chromestatus.com/features#tags:restrict-properties> Risks Interoperability and Compatibility It could fail to become an interoperable part of the web platform if other browsers do not implement it. The OT is intended to gather user feedback to get support from Mozilla. /Gecko/: No signal /WebKit/: No signal /Web developers/: No signals /Other signals/: Have a few partners interested in trying this out like Zoom and Facebook, as well as at least one internal partner (altimin@ for perfetto dashboards). WebView application risks Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications? Goals for experimentation The goal for this experiment is to give partners the possibility to try the new value at scale and to discover potential deployment blockers that were not anticipated (e.g. external dependency, same-origin communications required, etc.) Debuggability COOP reporting will support restricted cross-origin properties reporting, similar to what exists for other COOP values. Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)? Yes COOP is parsed on all platforms, but the process model implied might vary. Is this feature fully tested by web-platform-tests <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>? Yes under wpt/html/cross-origin-opener-policy/tentative/restrict-properties. Flag name --enable-features='CoopRestrictProperties' Requires code in //chrome? False Tracking bug https://bugs.chromium.org/p/chromium/issues/detail?id=1221127 Launch bug https://bugs.chromium.org/p/chromium/issues/detail?id=1347385 Estimated milestones OriginTrial desktop last 110 OriginTrial desktop first 106 OriginTrial Android last 110 OriginTrial Android first 106 Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5072630953017344 Links to previous Intent discussions Intent to prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAF07A2Uw-Oh0d7ktTPnV%3D8TTrr%2BNcTgfiLxzFd2P2QLD18qNsw%40mail.gmail.com <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAF07A2Uw-Oh0d7ktTPnV=8ttrr+nctgfilxzfd2p2qld18q...@mail.gmail.com> --You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscr...@chromium.org. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAF07A2Uj8%3DeUzcs8-o4RxAJnJN8%2BGCpPZNY3ky5Y88-UvhFtiA%40mail.gmail.com <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAF07A2Uj8%3DeUzcs8-o4RxAJnJN8%2BGCpPZNY3ky5Y88-UvhFtiA%40mail.gmail.com?utm_medium=email&utm_source=footer>.
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