We discussed this in the API OWNERS meeting today, and given that the
TAG review issue was added to the TPAC milestone for next week, we'd
like to wait a week or so to see if there is any useful feedback.
On 8/31/22 10:44 AM, Ari Chivukula wrote:
I'll add a note, but this is actually deliberate.
*.foo.com <http://foo.com> does not match foo.com <http://foo.com>.
~ Ari Chivukula (Their/There/They're)
On Wed, Aug 31, 2022, 10:19 ayumi hamasaki <ayumih...@gmail.com> wrote:
The example in the description is a bit confusing found here:
https://chromestatus.com/feature/5170361717489664
Before, a permissions policy might need to look like:
```
permissions-policy: ch-ua-platform-version=(self "https://foo.com";
"https://cdn1.foo.com"; "https://cdn2.foo.com";)
```
With this feature, it could look like: permissions-policy:
```
ch-ua-platform-version=(self "https://foo.com"; "https://*.foo.com
<https://%2A.foo.com/>")
```
One would think why not just write: `ch-ua-platform-version=(self
"https://*.foo.com <https://%2A.foo.com/>")` instead. As you're
used `foo.com <http://foo.com>` twice!
----
Would it not be better to use `foo.com <http://foo.com>` and
`example.com <http://example.com>` instead e.g.
Before, a permissions policy might need to look like:
```
permissions-policy: ch-ua-platform-version=(self
"https://example.com
<https://foo.com/>" "https://cdn1.foo.com" "https://cdn2.foo.com";)
```
With this feature, it could look like: permissions-policy:
```
ch-ua-platform-version=(self "https://example.com
<https://foo.com/>" "https://*.foo.com <https://%2A.foo.com/>")
```
Which would make more sense.
On Wednesday, 31 August 2022 at 15:10:31 UTC+1 ari...@chromium.org
wrote:
Sorry about that:
https://github.com/mozilla/standards-positions/issues/679
https://github.com/WebKit/standards-positions/issues/51
~ Ari Chivukula (Their/There/They're)
On Wed, Aug 31, 2022, 10:06 Yoav Weiss <yoav...@chromium.org>
wrote:
On Fri, Aug 26, 2022 at 7:27 PM Ari Chivukula
<ari...@chromium.org> wrote:
Contact emails
ari...@chromium.org, mike...@chromium.org
Design Doc
https://docs.google.com/document/d/1HtkQivbjO6TiP6uZdTt4KmTnWzbs5IZpEdrz59-fyYU/edit
<https://docs.google.com/document/d/1HtkQivbjO6TiP6uZdTt4KmTnWzbs5IZpEdrz59-fyYU/edit>
Specification
https://github.com/w3c/webappsec-permissions-policy/issues/479
<https://github.com/w3c/webappsec-permissions-policy/issues/479>
Summary
This feature will add support for wildcard in
permissions policy structured like
SCHEME://*.HOST:PORT (e.g., https://*.foo.com/
<http://foo.com/>) where a valid Origin could be
constructed from SCHEME://HOST:PORT (e.g.,
https://foo.com/). This requires that HOST is at least
eTLD+1 (a registrable domain). This means that
https://*.bar.foo.com/ <http://bar.foo.com/> works but
https://*.com/ won’t (if you want to allow all domains
to use the feature, you should just delegate to *).
Wildcards in the scheme and port section will be
unsupported and https://*.foo.com/ <http://foo.com/>
does not delegate to https://foo.com/.
Before, a permissions policy might need to look like:
permissions-policy: ch-ua-platform-version=(self
"https://foo.com"; "https://cdn1.foo.com";
"https://cdn2.foo.com";)
With this feature, it could look like:
permissions-policy: ch-ua-platform-version=(self
"https://foo.com"; "https://*.foo.com <http://foo.com>")
Blink component
Blink>PermissionsAPI
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EPermissionsAPI>
Motivation
The Permissions Policy specification
<https://w3c.github.io/webappsec-permissions-policy/>“defines
a mechanism that allows developers to selectively
enable and disable use of various browser features and
APIs.” One capability of this mechanism allows
features to be enabled only on explicitly enumerated
origins (e.g., https://foo.com/). This mechanism is
not flexible enough for the design of some CDNs, which
deliver content via an origin that might be hosted on
one of several hundred possible subdomains.
TAG review
https://github.com/w3ctag/design-reviews/issues/765
<https://github.com/w3ctag/design-reviews/issues/765>
Compatibility
Depending on their user base, sites may want to
entertain a transition period for older Chromium
clients, where they enumerate all subdomains and
include the wildcard in the permissions policy.
Interoperability
We would be the first to implement if approved.
Gecko: Will ask
WebKit: Will ask
Links to signal requests?
Web developers:
https://github.com/w3c/webappsec-permissions-policy/issues/479
<https://github.com/WICG/client-hints-infrastructure/issues/108>
Debuggability
Future work might flag syntax errors in the Issues tab
<https://docs.google.com/document/d/1lDEvj8tMeuvUs1HTTqL-44YiI-7ljeQkusM_WhUfIeE/edit>.
Is this feature fully tested by web-platform-tests?
No, but it will be.
Tracking bug
https://crbug.com/1345994 <https://crbug.com/1345994>
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5170361717489664
<https://chromestatus.com/feature/5170361717489664>
~ Ari Chivukula (Their/There/They're)
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