I'm also not sure why we would wait.

That said, if we're expanding SRI, it would be great to see media resources
included. Won't block this intent on it, but for architectural consistency
want to flag that we aren't "done".

On Wed, May 22, 2024, 6:39 PM Mike Taylor <miketa...@chromium.org> wrote:

> I'm inclined to LGTM this now - but don't see a lot of harm waiting for 1
> additional week (per Mozilla's request in the not-public minutes). Happy to
> do so before, so long as the HTML PR lands.
> On 5/22/24 5:15 AM, Yoav Weiss (@Shopify) wrote:
>
>
>
> On Wed, May 22, 2024 at 10:29 AM Yoav Weiss (@Shopify) <
> yoavwe...@chromium.org> wrote:
>
>>
>>
>> On Tuesday, May 21, 2024 at 1:04:44 PM UTC+2 Yoav Weiss wrote:
>>
>> Contact emailsyoavwe...@chromium.org
>>
>> Explainerhttps://github.com/guybedford/import-maps-extensions#integrity
>>
>> Specificationhttps://github.com/whatwg/html/pull/10269
>>
>> The PR is ready to land, but we're holding off on that for 2 weeks at
>> Mozilla's request. See below.
>>
>> Summary
>>
>> Imported ES modules can't currently have their integrity checked, and
>> hence cannot run in environments that require Subresource Integrity or with
>> `require-sri-for` CSP directives. This feature adds an `integrity` section
>> to import maps, enabling developers to map ES module URLs to their
>> integrity metadata, and ensure they only load when they match their
>> expected hashes.
>>
>>
>> Blink componentBlink>Loader
>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ELoader>
>>
>> TAG reviewhttps://github.com/w3ctag/design-reviews/issues/944
>>
>> TAG review statusIssues addressed
>>
>> Risks
>>
>>
>> Interoperability and Compatibility
>>
>> On the interoperability front, this got a positive position from WebKit,
>> and I'm implementing the feature there
>> <https://github.com/whatwg/html/pull/10269>. Mozilla didn't object to
>> the feature, but asked
>> <https://docs.google.com/document/d/1iaarr4Ho715CUULrvi_LD3TwshAcN2odDLBBEK0FjH0/edit#bookmark=id.li7pdpi5uloq>
>>
>>
> I just realized that the meeting notes are not publicly viewable.
> +Panos Astithas <pastit...@google.com> - would you be able to open them
> up to the public somehow? (e.g. as a Chromium.org doc)
>
>
>> for a couple more weeks to evaluate it and provide a position, as they
>> might be planning broader-scope work on the front of application integrity,
>> and want to make sure this doesn't collide with it.
>>
>>
>> On the compatibility front, the feature is polyfilled
>> <https://github.com/guybedford/es-module-shims/pull/424>, but it's turned
>> off for browsers that support import maps
>> <https://github.com/guybedford/es-module-shims#:~:text=The%20ES%20Module%20Shims%20polyfill%20will%20analyze%20the%20browser%20to%20see%20if%20it%20supports%20import%20maps.%20If%20it%20does%2C%20it%20doesn%27t%20do%20anything%20more>
>> .
>>
>>
>> Adding Guy Bedford, the polyfill author to this thread. Guy, can you
>> confirm this is the case?
>>
>> *Gecko*: No signal
>> <https://github.com/mozilla/standards-positions/issues/1010>
>>
>> *WebKit*: Support
>> <https://github.com/WebKit/standards-positions/issues/335>
>>
>>
>> WebKit PR <https://github.com/WebKit/WebKit/pull/28253> has landed.
>>
>>
>>
>>
>> *Web developers*: Positive
>> <https://x.com/yoavweiss/status/1778067431417954803>
>> This is based on a proposal from a developer (Guy Bedford).
>> Multiple Shopify properties are interested in this, to enable using ES
>> modules as bundler output in security sensitive environments. Asking about
>> this on twitter and mastodon showed that some developers are interested in
>> this, while others discount SRI in general.
>>
>> *Other signals*:
>>
>> Activation
>>
>> As long as support is not ubiquitous, the `integrity` part of import maps
>> will be ignored in non-supporting browsers, resulting in scripts loading in
>> those browsers even if they're supposed to fail their integrity checks.
>>
>> There's also a polyfill
>> <https://github.com/guybedford/es-module-shims/pull/424> that would
>> enable sites to get integrity support for ES modules in browsers that don't
>> support import maps at all. That's an increasingly slim part of the browser
>> population.
>>
>>
>> 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?
>>
>>
>> None
>>
>>
>> Debuggability
>>
>> No issues in particular. The feature does emit a few console errors in
>> cases where parsing fails, to help developers debug this.
>>
>>
>> Will this feature be supported on all six Blink platforms (Windows, Mac,
>> Linux, ChromeOS, Android, and Android WebView)?Yes
>>
>> Is this feature fully tested by web-platform-tests
>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>> ?Yes
>>
>> https://chromium-review.googlesource.com/c/chromium/src/+/5441822
>>
>>
>> Flag name on chrome://flagsNone
>>
>> Finch feature nameImportMapIntegrity
>>
>> Requires code in //chrome?False
>>
>> Tracking bughttps://issues.chromium.org/issues/334251999
>>
>> MeasurementNo use-counter was added so far. If one is needed, I can add
>> it when flipping on the flag.
>>
>>
>> I decided to add a usecounter
>> <https://chromium-review.googlesource.com/c/chromium/src/+/5555942>.
>>
>>
>>
>> Availability expectationFeature is available in WebKit within a few
>> months of launch in Chromium, if not before. Still waiting on Mozilla's
>> position and plans.
>>
>> Adoption expectation
>> I expect web developers that want to rely on SRI for ES modules to use
>> the feature directly without requiring the polyfill.
>>
>> Adoption planUpdate MDN <https://github.com/mdn/mdn/issues/541> on the
>> integrity section.
>>
>>
>> MDN PR <https://github.com/mdn/content/pull/33712>.
>>
>>
>>
>>
>> Estimated milestonesShipping on desktop127Shipping on Android127Shipping
>> on WebView127
>>
>> Anticipated spec changes
>>
>> Open questions about a feature may be a source of future web compat or
>> interop issues. Please list open issues (e.g. links to known github issues
>> in the project for the feature specification) whose resolution may
>> introduce web compat/interop risk (e.g., changing to naming or structure of
>> the API in a non-backward-compatible way).
>>
>>
>> No open questions.
>>
>> Link to entry on the Chrome Platform Statushttps://chromestatus.com/
>> feature/5157245026566144?gate=5203447331946496
>>
>> Links to previous Intent discussionsIntent to prototype: https://groups.
>> google.com/a/chromium.org/d/msgid/blink-dev/
>> CAOaYce5MGsXBzw6K_py5yEj_Vx6o_%3DA4CecJm_gaAyU7H6wfPQ%40mail.gmail.com
>>
>> This intent message was generated by Chrome Platform Status
>> <https://chromestatus.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/CAOmohSK%3D6VEeSaicP7b1m47btcd7q3dBTR9AoL241bgSPZD7Gw%40mail.gmail.com
> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSK%3D6VEeSaicP7b1m47btcd7q3dBTR9AoL241bgSPZD7Gw%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>
> --
> 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/59075b03-0a21-47da-9f03-36a249a12894%40chromium.org
> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/59075b03-0a21-47da-9f03-36a249a12894%40chromium.org?utm_medium=email&utm_source=footer>
> .
>

-- 
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/CAA44PQgXEkL2Skxj8_Ba7_kW2aAJ73rZuvirW0ybc8STGqEFiQ%40mail.gmail.com.

Reply via email to