Create codex/auth.py

codex/auth.py

@@ -0,0 +1,8 @@
+import os
+
+AUTHORIZED_USERS = set(os.environ.get("AUTHORIZED_USERS", "").split(","))
+
+def verify_user(username):
+    if username not in AUTHORIZED_USERS:
+        raise PermissionError("Unauthorized user")
+    return True