RBAC + Per-Route Audit Events

2026-01-20 10:08:32 +00:00
parent 47b90fee87
commit 6901f6fcc4
18 changed files with 381 additions and 122 deletions
--- a/app/apps/core/rbac.py
+++ b/app/apps/core/rbac.py
@@ -0,0 +1,75 @@
+from __future__ import annotations
+
+from django.contrib.auth.models import Group
+from ninja.errors import HttpError
+
+ROLE_ADMIN = "administrator"
+ROLE_OPERATOR = "operator"
+ROLE_AUDITOR = "auditor"
+ROLE_USER = "user"
+
+ROLE_ORDER = (ROLE_ADMIN, ROLE_OPERATOR, ROLE_AUDITOR, ROLE_USER)
+ROLE_ALL = ROLE_ORDER
+ROLE_ALIASES = {"admin": ROLE_ADMIN}
+ROLE_INPUTS = tuple(sorted(set(ROLE_ORDER) | set(ROLE_ALIASES.keys())))
+
+
+def normalize_role(role: str) -> str:
+    normalized = (role or "").strip().lower()
+    return ROLE_ALIASES.get(normalized, normalized)
+
+
+def ensure_role_groups() -> None:
+    for role in ROLE_ORDER:
+        Group.objects.get_or_create(name=role)
+
+
+def get_user_role(user, default: str = ROLE_USER) -> str | None:
+    if not user or not getattr(user, "is_authenticated", False):
+        return None
+    if getattr(user, "is_superuser", False):
+        return ROLE_ADMIN
+    group_names = set(user.groups.values_list("name", flat=True))
+    for role in ROLE_ORDER:
+        if role in group_names:
+            return role
+    if getattr(user, "is_staff", False):
+        return ROLE_ADMIN
+    return default
+
+
+def set_user_role(user, role: str) -> str:
+    canonical = normalize_role(role)
+    if canonical not in ROLE_ORDER:
+        raise ValueError(f"Invalid role: {role}")
+    ensure_role_groups()
+    role_groups = list(Group.objects.filter(name__in=ROLE_ORDER))
+    if role_groups:
+        user.groups.remove(*role_groups)
+    target_group = Group.objects.get(name=canonical)
+    user.groups.add(target_group)
+    if canonical == ROLE_ADMIN:
+        user.is_staff = True
+        user.is_superuser = True
+    else:
+        user.is_staff = False
+        user.is_superuser = False
+    return canonical
+
+
+def require_authenticated(request) -> None:
+    user = getattr(request, "user", None)
+    if not user or not getattr(user, "is_authenticated", False):
+        raise HttpError(403, "Forbidden")
+
+
+def require_roles(request, *roles: str) -> None:
+    user = getattr(request, "user", None)
+    if not user or not getattr(user, "is_authenticated", False):
+        raise HttpError(403, "Forbidden")
+    role = get_user_role(user)
+    if role == ROLE_ADMIN:
+        return
+    allowed = {normalize_role(entry) for entry in roles}
+    if role not in allowed:
+        raise HttpError(403, "Forbidden")