[Webkit-unassigned] [Bug 227113] PWA mistakingly thinking to be offline

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=227113

--- Comment #8 from Matthias Perktold <matthias.perktold at asaon.com> ---
OK this issue cooled off a bit, sorry for that.

In the meantime, I can confirm that the problem only exists with non-trustworthy certificates. When the certificate is valid, the browser correctly notices whether it is online or offline.

When the certificate is not trustworthy, it appears as though the browser tries to provide PWA features like offline/online, but fails to do so.

In other browsers on other devices, these features are simply disabled with non-trustworthy certificates. In this case, it means that the browser never shows the "You are offline" page, even if we are in fact offline. It simply always tries to access the web page. If it does't work because we are offline, the browser shows a standard error message. If we are online, it works.

I think WebKit should behave in the same way, i.e. depending on the certificate, it should either provide PWA features or not. It should not try to provide them but then fail to do so because of the certificate.

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