Well below our customary threshold level, and unlikely to be used in our
blind spots (WebView, enterprise). I think it's safe to remove directly.
LGTM1
/Daniel
On 2022-06-02 19:40, Mike Taylor wrote:
**
*Contact emails*
*
miketa...@chromium.org, m...@chromium.org
Summary
We propose to remove support for navigating to filesystem:// URLs in
iframes.
Blink component
Blink>Storage>FileSystem
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EStorage%3EFileSystem>
Motivation
Render-initiated navigations to filesystem:// URLs are blocked in
top-level frames, but are currently allowed in iframes. As part of the
storage partitioning efforts, we propose to remove support for
navigation to filesystem:// URLs in iframes. Preventing navigation in
third-party contexts would be sufficient for our privacy goals, but as
usage is almost non-existent, we believe removing support for
navigation in iframes altogether is the better approach.
(https://miketaylr.com/misc/filesystem-navigation.html
<https://miketaylr.com/misc/filesystem-navigation.html>may be useful
to grok what any of this means.)
TAG review
N/A. This intent refers to a Chromium-only feature (which we’re trying
to remove).
Risks
Interoperability and Compatibility
No other engine supports filesystem:// URLs, so we do not expect
interoperability issues.
As for compatibility, usage is very, very low. Currently just above
0.0000008%
<https://chromestatus.com/metrics/feature/timeline/popularity/4077>.
For this reason we would like to just remove it, without any
deprecation period.
Gecko: N/A (not supported)
WebKit: N/A (not supported)
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?
No.
Debuggability
We currently send an error message to the console if you try to open a
window to a filesystem:// URL - we will do something similar for iframes.
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
No
Flag name
FileSystemUrlNavigation
Requires code in //chrome?
False
Estimated milestones
M105
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5816343679991808
<https://chromestatus.com/feature/5816343679991808>
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
*
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