coulomb-social/coulomb_social/apps/identity/services.py
tegwick 01da195c13 Implement NetKingdom identity shell for coulomb.social (CSOC-WP-0002)
Django scaffold aligned with the business delivery lane: tenant-keyed
Member model without passwords, identity app as sole OIDC/session
boundary, dev-claims login, authenticated /app/ shell, ADR-0001, and
tests. T01/T02/T05/T06 done; OIDC registration, real user-engine HTTP,
flex-auth, and packaging remain open.
2026-08-09 01:45:05 +02:00

66 lines
2.2 KiB
Python

"""Session establishment after verified identity claims."""
from __future__ import annotations
from django.conf import settings
from django.contrib.auth import login
from django.http import HttpRequest
from django.utils import timezone
from coulomb_social.apps.members.models import Member, User
from .user_engine import IdentityClaims, get_user_engine_client
def establish_session(request: HttpRequest, claims: IdentityClaims) -> Member:
"""Link platform identity → Member, log Django user in. No passwords."""
tenant_id = settings.DEFAULT_TENANT_ID
application_id = settings.USER_ENGINE_APPLICATION_ID
link = get_user_engine_client().link_or_create(
claims, tenant_id=tenant_id, application_id=application_id
)
member = Member.objects.filter(issuer=claims.issuer, subject=claims.subject).first()
display = claims.name or claims.preferred_username or claims.email or claims.subject
username = f"{claims.subject}@{_issuer_slug(claims.issuer)}"[:255]
if member is None:
user = User.objects.create_user(
username=username,
email=claims.email or "",
full_name=display,
)
member = Member.objects.create(
tenant_id=tenant_id,
user=user,
user_engine_user_id=link.user_id,
issuer=claims.issuer,
subject=claims.subject,
display_name=display,
email=claims.email or "",
)
else:
user = member.user
user.email = claims.email or user.email
user.full_name = display or user.full_name
user.save(update_fields=["email", "full_name"])
member.display_name = display
member.email = claims.email or member.email
member.user_engine_user_id = link.user_id
member.tenant_id = tenant_id
member.last_login_at = timezone.now()
member.save()
login(request, user, backend="django.contrib.auth.backends.ModelBackend")
return member
def _issuer_slug(issuer: str) -> str:
return (
issuer.replace("https://", "")
.replace("http://", "")
.replace("/", "_")
.replace(":", "_")[:64]
or "issuer"
)