How to handle Session Expiry in ServiceWorker

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From	Richard Maher <maher_rjSPAMLESS@hotmail.com>
Newsgroups	comp.lang.javascript
Subject	How to handle Session Expiry in ServiceWorker
Date	Tue, 21 Nov 2017 10:06:06 +0800
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If a Fetch in my ServiceWorker receives a 401 from the server how do I 
re-authenticate with the server if I have no focused or foregrounded client?

NB: I'm talking about POST requests updating the server and not just 
reading from cache until the network is back.

Bring the client back into focus? Scary for user with no action causing 
that reaction and they may not be there to login again anyway.

What does Background-Synch do if it gets a 401?

If navigator.credentials was surfaced in a ServiceWorker that would be 
enough!

Sessions that never expire?

What are other people doing?

Yet again I'm banned from W3C/IETF Github :-(

If someone could add the following to ServiceWorker issues that would 
help: - Please see Use-Case at 
https://stackoverflow.com/questions/47320790/how-to-handle-session-expiry-in-serviceworker 


If a User Session has expired, a ServiceWorker currently has no 
mechanisms available to re-authenticate with the server as there is no 
heuristic mechanism available for determining credentials.

If the credentials.get() was available then re-authentication could take 
place transparently. If federated (say Google) then if the user had 
logged out then that state would be honoured.

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How to handle Session Expiry in ServiceWorker Richard Maher <maher_rjSPAMLESS@hotmail.com> - 2017-11-21 10:06 +0800

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