feat: iam rbac system

Endpoints and db architecture to support a role based IAM system.

src/iam/service.py

@@ -0,0 +1,26 @@
+"""
+Module specific business logic for <this module>
+
+Exports service_key_dependency
+"""
+from typing import Annotated
+
+from src.service.models import Service
+from src.database import db_dependency
+from src.schemas import ResourceName
+
+from fastapi import HTTPException, status, Request, Depends
+
+
+def valid_service_key(db: db_dependency, request: Request, rn: ResourceName) -> bool:
+	api_key = request.headers.get("X-API-Key", None)
+	if not api_key:
+		raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED)
+	service = rn.service
+	result = db.query(Service).filter(Service.name == service).filter(Service.api_key == api_key).first()
+	if result is None:
+		raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED)
+
+	return True
+
+service_key_dependency = Annotated[bool, Depends(valid_service_key)]