Jupyter Hub integration

A jupyterhub container is configured with jwt authentication We add two claim : token.claim['upn'] = user token.claim['atk'] = AllgoUser.objects.get(user=User.objects.get(username=user)).token

This claim are used in the jwtauthenticator plugin (https://github.com/scampion/jwtauthenticator/) With this patch :

• https://github.com/scampion/jwtauthenticator/commit/8031af6d6036d2a462d84dda28370804ee86692e

A detailed diagram is available here :

• https://gitlab.inria.fr/allgo/allgo/uploads/9b67f89e87ded6e675c8a2b359bb486a/image.png