GNU bug report logs - #78490
Feature Request: secrets.el should handle org.freedesktop.Secret.Prompt for KeePassXC approval

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From: André Colomb <src <at> andre.colomb.de>
To: 78490 <at> debbugs.gnu.org
Subject: bug#78490: Feature Request: secrets.el should handle org.freedesktop.Secret.Prompt for KeePassXC approval
Date: Sun, 18 May 2025 23:09:03 +0200

Hi Emacs developers,

I hope this is the right channel to pose such a feature request, 
especially concerning the secrets.el component.  If not, please direct 
me to the right venue.

I've been trying to switch my Secret-Service integration within Emacs 
(used by magit via ghub via auth-source via secrets.el) from accessing 
the GNOME Keying Daemon to KeePassXC as the backend.

It works in principle, but as soon as the option in KeePassXC "Confirm 
when passwords are retrieved by clients" is activated, the credential 
lookup fails silently.  Normally, a graphical prompt should pop up from 
KeePassXC to either allow or deny the request.  That part works 
perfectly using other methods such as secret-tool from the command line.

Some further investigation and a helpful ChatGPT interrogation pointed 
toward the culprit here: Emacs' secrets.el simply doesn't implement the 
unlocking workflow of that API.  AFAIUI, the DBus call returns an error 
code org.freedesktop.Secret.Error.IsLocked, and a Prompt object whose 
"Prompt" method needs to be invoked via DBus to show the confirmation 
popup.  The same behavior can be reproduced using the "M-x 
secrets-show-secrets" command.

Is there a chance this could be properly added to secrets.el?  I 
wouldn't even mind if the whole lisp execution got blocked while waiting 
for a response to the popup.

Unfortunately, I have no experience at all in Emacs lisp development, so 
I doubt I'd be able to provide a patch myself.  Would be happy to test a 
patch though, as long as it only needs a new version of secrets.el, not 
a whole rebuild of Emacs.

I am running: GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 
3.24.41, cairo version 1.18.0) of 2024-04-01, modified by Debian; 
installed from the Ubuntu 24.04 packages.

Thanks in advance and kind regards
André

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