flatten object

api/keto/acl/v1alpha1/acl.proto

@@ -15,16 +15,17 @@ option php_namespace = "Ory\\Keto\\Acl\\V1alpha1";
 // While a tuple reflects a relationship between Object
 // and Subject, they do not completely define the effective ACLs.
 message RelationTuple {
+  // The namespace this relation tuple lives in.
+  string namespace = 1;
   // The object related by this tuple.
-  Object object = 1;
+  // It is naturally in the namespace of the tuple.
+  string object = 2;
   // The relation between an Object and a Subject.
-  string relation = 2;
+  string relation = 3;
   // The subject related by this tuple.
   // A Subject either represents a concrete subject id or
   // a SubjectSet that expands to more Subjects.
-  Subject subject = 3;
-  // Used to perform a consistent read-modify-write (lock).
-  string etag = 4;
+  Subject subject = 4;
 }
 
 // Object represents a "resource/digital object" in a namespace.
@@ -52,10 +53,13 @@ message Subject {
 
 // SubjectSet refers to all subjects which have
 // the same `relation` to an `object`.
-// Also used for inheritance.
+// It is also used for inheritance.
 message SubjectSet {
+  // The namespace of the object and relation
+  // referenced in this subject set.
+  string namespace = 1;
   // The object selected by the subjects.
-  Object object = 1;
+  string object = 2;
   // The relation to the object by the subjects.
-  string relation = 2;
+  string relation = 3;
 }