El jueves, 23 de mayo de 2019, 4:34:14 (UTC-4), Andrea Marchesini escribió:
> Link to the proposal:
> https://tools.ietf.org/html/draft-west-cookie-incrementalism-00
>
> Summary:
> "1. Treat the lack of an explicit "SameSite" attribute as
> "SameSite=Lax". That is, the "Set-Cookie" value "key=value" will
> produce a cookie equivalent to "key=value; SameSite=Lax".
> Cookies that require cross-site delivery can explicitly opt-into
> such behavior by asserting "SameSite=None" when creating a
> cookie.
> 2. Require the "Secure" attribute to be set for any cookie which
> asserts "SameSite=None" (similar conceptually to the behavior for
> the "__Secure-" prefix). That is, the "Set-Cookie" value
> "key=value; SameSite=None; Secure" will be accepted, while
> "key=value; SameSite=None" will be rejected."
>
> Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1551798
>
> Platform coverage: all
>
> Estimated or target release: 69 - behind pref
>
> Preferences behind which this will be implemented:
> - network.cookie.sameSite.laxByDefault
> - network.cookie.sameSite.noneRequiresSecure (this requires the previous
> one to be set to true)
>
> Is this feature enabled by default in sandboxed iframes? yes.
>
> Do other browser engines implement this?
> - Chrome is implementing/experimenting this feature:
> https://blog.chromium.org/2019/05/improving-privacy-and-security-on-web.html
> - Safari: no signal yet.
>
> web-platform-tests: There is a pull-request
> https://github.com/web-platform-tests/wpt/pull/16957
> Implementing this feature, I added a mochitest to inspect cookies via
> CookieManager.
>
> Is this feature restricted to secure contexts? no
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