Wallabagger connection broken

[gwen-lg]

Describe the bug

Since login broken problem (issue #217), the direct login is fixed for me, but not the Wallabagger connection (Firefox extension).
When I tried to save a page, I have the error Une erreur est survenue lors de la sauvegarde de l'article in the GUI.

With the help of Firefox tools, I have see in the console the error :
Failed to refresh token https://www.xoddark.com/wallabag/oauth/v2/token
With the server return an error 400 with these information :

{
	"error":"invalid_grant",
	"error_description":"Invalid username and password combination"
}

to the request (with valid information) :

{
	"grant_type":"password",
	"client_id":"the api client id",
	"client_secret":"the api secret",
	"username":"my user",
	"password": "my password"
}

while the username and password provided are valid.

Context

• Hardware: dedicated server
• YunoHost version: 12.0.6 (and previous)
• I have access to my server: Through SSH & through the webadmin
• Are you in a special context or did you perform some particular tweaking on your YunoHost instance?: no
• Using, or trying to install package version/branch: wallabag2 version 2.5.4~ynh8

Steps to reproduce

• have the Firefox extension Wallabagger configured to save article in Wallabag hosted on yunohost.
• tried to save a page
• Wallagger indicate the error : Une erreur est survenue lors de la sauvegarde de l'article

Expected behavior

I expect to be able to save an article from Wallabagger as before, and as I can do with the Wallabag UI.

Logs

I wasn't able to get related logs (apart a related entry in nginx access.log)

[gwen-lg]

How I can debug wallabag auth ? Enable debug logs ?

[bmp]

I have the same issue on Version: 2.5.4 and Yunohost 12.0.7 (stable). All my Wallabag clients that were working earlier are now not working, I get the following error for all the clients, {"error":"invalid_client","error_description":"The client credentials are invalid"}

[curtosis]

Same invalid grant error for me (2.5.4, Yunohost 12.0.9 (stable)). In the console the only thing I see is an HTTP 400 response.

[mediaformat]

I was able to restore from version 2.5.4~ynh4 (which works)

If you don't have that version backed up, you can uninstall the app (doesn't remove the data), and reinstall the last working version:

yunohost app install https://github.com/YunoHost-Apps/wallabag2_ynh/tree/088f79ee1b99138e26319231062a21965b6d23d1

Via @lapineige on the forum

[lapineige]

#228