[Webkit-unassigned] [Bug 217770] New: Twitter PWA saved to Homescreen displays confused login state
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Oct 15 11:19:53 PDT 2020
https://bugs.webkit.org/show_bug.cgi?id=217770
Bug ID: 217770
Summary: Twitter PWA saved to Homescreen displays confused
login state
Product: WebKit
Version: Safari 14
Hardware: iPhone / iPad
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Service Workers
Assignee: webkit-unassigned at lists.webkit.org
Reporter: kenneth at kufluk.com
Created attachment 411468
--> https://bugs.webkit.org/attachment.cgi?id=411468&action=review
Install Twitter website to homescreen shows bad login state
On iPhone XS, iOS14. I use Safari to load twitter.com.
I log into my account, and browse around.
I choose to save Twitter to my homescreen.
I then load Twitter from my homescreen.
Expected:
EITHER:
- still logged into Twitter
- logged out of Twitter
Actual:
- Page shows my account, but no content will load.
I suspect that the problem is that the homescreened site is sharing a serviceworker with safari but not sharing cookies.
I suspect the page showing my account is from the serviceworker cache, but the site does not have the right cookies to be able to make further requests.
Swipe-up the homescreened site and re-opening will show a logged-out state.
This bug is not always reproducible, I think because the serviceworker needs to be installed and to cache a page.
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