Dropbox short lived token support

Bug
#1

Please describe what you are doing to trigger the bug:

After 24h the Dropbox token expires and it’s impossible to do any backup anymore. My understanding is that it is a recent change in the dropbox system that token are not permanent anymore.

Please describe what you expect to happen (but doesn’t):

Dupliacy should support the short lived token as permanent token dont seem to be able to be created anymore

Please describe what actually happens (the wrong behaviour):

Once the token expires, the backup interrupt and all subsequent jobs fail

#2

So it’s a dropbox problem (one more!) and not a Duplicacy bug, right?

#3

No it’s not, Duplicacy just uses an outdated API and needs to update to the latest token system, because we cant create old tokens anymore.

#4

IIRC DropBox uses standard OAuth2 flow, so :d: will need to refresh its access tokens. Nothing that hasn’t been done before, GDrive and OneDrive (and probably others) use the same token mechanism, just different endpoints.

#5

Exactly – but before September 2021 it was possible to create unexpiring tokens, it’s not anymore as far as I understand. There’s a similar change in current Duplicati canary

#6

I’ll check in a fix this week to support short lived token.

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