Re: [Duplicity-talk] PyDrive backend cannot authenticate because it uses out-of-bound

[edgar . soldin]

hey Massimiliano,

On 01.05.2023 19:43, Massimiliano Leoni via Duplicity-talk wrote:
> Hello everyone,
>
> I tried running duplicity to backup to my google drive and google is not
> letting me, saying that my application is blocked because it uses Out-of-bound
> [OOB] authentication, which is not secure.
>
> In particular, I'm getting
>
> Error 400: invalid_request
> The out-of-band (OOB) flow has been blocked in order to keep users secure.
> Follow the Out-of-Band (OOB) flow migration guide linked in the developer docs
> below to migrate your app to an alternative method.
> Request details: redirect_uri=urn:ietf:wg:oauth:2.0:oob

what is your duplicity version? did you try the latest/greatest version 1.2.2?

> and the migration guide is https://developers.google.com/identity/protocols/
> oauth2/resources/oob-migration .
>
> My account is configured as a "regular account" following the instructions at
> https://duplicity.nongnu.org/vers8/duplicity.1.html#sect26

that man page is outdated, but unfortunately we cannot delete it anymore. 
nongnu is broken.

use these ones instead
 https://duplicity.us/docs.html

> Is there a way around this?

i actually do not see any "oob" in the current backend source
 
https://gitlab.com/duplicity/duplicity/-/blob/main/duplicity/backends/gdrivebackend.py
so my guess is, that using a current duplicity will resolve your issue.

good luck ..ede/duply.net