Use wordpress db for auth and return user from another database

[unkobweb]

Hi everyone,

I need to auth my user by the wordpress user database and for my app i have another database (with a table user too) and in order, I need to :

1. Get users credentials (email, password)
2. Search the wordpress user with this email (in the wordpress db)
3. Check if the password is the good
4. Get the id of the logged user (always in wordpress db)
5. Find the equivalent user in my app database (Wordpress user id === App user id)
6. Access to my user (ap databse entity) with auth.user

Here is the first version of my auth provider : https://paste.artemix.org/-/7zKByB

Did someone know how i can return the user entity from my app DB after log the user with the wordpress database ?

Thanks in advance