LGTM1

Thanks for catching us up here! :)

On Thu, Nov 17, 2022 at 11:18 PM Eric Willigers <ericwillig...@chromium.org>
wrote:

> Contact emails
> ericwillig...@chromium.org, fin...@chromium.org
>
> Explainer
> https://github.com/w3c/web-share/blob/master/docs/explainer.md
>
> Specification
> https://w3c.github.io/web-share/#permissions-policy
>
> Summary
> A new permission policy, "web-share", controls access to navigator.share().
>
> The default allowlist is 'self', avoiding possible abuse by third party
> iframes.
> Link to blink-dev discussion
>
> https://groups.google.com/a/chromium.org/g/blink-dev/c/fgme9KOd8CU/m/TCYPKQAXAwAJ
>
> Blink component
> Blink>WebShare
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebShare>
>
> TAG review
> Not needed, trivial change to existing spec
>

A better reasoning would be that we're aligning to shipped behavior in
other engines.


>
> TAG review status
> Not applicable
>
>
> Risks
>
> Interoperability and Compatibility
>
> navigator.share() is called by embedded iframes. These may expect share()
> calls to succeed, when now they will fail if permission has not been
> granted.
>
> Firefox has successfully shipped the feature.
>
> Failures were observed with YouTube, these have now been addressed.
>
>
>
> Gecko: Shipped/Shipping (https://github.com/w3c/web-share/pull/252)
>
> WebKit: Shipped/Shipping (https://github.com/w3c/web-share/issues/169) CL
> recently merged:
> https://github.com/WebKit/WebKit/commit/ded7a6094a6ca38833e63a7915b7b6a2832f5734
>
> Web developers: No signals
>
> Other signals:
>
> 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?
>
> N/A - Web Share API is not enabled in WebView.
>
>
> Debuggability
> No DevTools changes needed.
>
> Will this feature be supported on all six Blink platforms (Windows, Mac,
> Linux, Chrome OS, Android, and Android WebView)?
>
> No
>
> The Permissions Policy will be supported on all platforms that support Web
> Share API. Currently, this is Android, Chrome OS, Windows.
>
> Is this feature fully tested by web-platform-tests
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ?
> Yes
>
> Flag name
>
> Requires code in //chrome?
> False
>
>
> Tracking bug
> https://bugs.chromium.org/p/chromium/issues/detail?id=1079104
>
> Sample links
> https://scrawny-bottlenose-somersault.glitch.me/share-from-iframes.html
>
> Estimated milestones
> M110
>
> Anticipated spec changes
>
> -
>
>
> Link to entry on the Chrome Platform Status
> https://chromestatus.com/feature/6362499966304256
>
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com/>.
>
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> .
>

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