[Webkit-unassigned] [Bug 280630] New: [iOS] navigator.credentials.get fails on newly-opened tab in non-Safari browsers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=280630

            Bug ID: 280630
           Summary: [iOS] navigator.credentials.get fails on newly-opened
                    tab in non-Safari browsers
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
               URL: https://webauthn-new-tab-demo.glitch.me/
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ajuma at chromium.org
                CC: jiewen_tan at apple.com, wenson_hsieh at apple.com
        Depends on: 226025

Steps to reproduce:

1) Open a new tab using window.open()
2) Call navigator.credentials.get() to trigger WebAuthn-based authentication in the new tab

Expected result:
WebAuthn-based authentication flow is triggered

Actual result:
On non-Safari browsers on iOS, the call to navigator.credentials.get fails.
On Safari, the call succeeds and authentication UI is triggered.

Here's a test page that demonstrates the bug: https://webauthn-new-tab-demo.glitch.me/

The underlying problem is bug 226025. In non-Safari browsers, document.hasFocus() is false until the user interacts with the page, but in Safari it's true from the beginning. But having focus is a prerequisite for navigator.credentials.get().


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=226025
[Bug 226025] document and window does not initially have focus in WKWebView
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