model_transitive_user_roles.conf

[request_definition]
r = sub, obj, act

[policy_definition]
p = sub, obj, act

[role_definition]
g = _, _

[policy_effect]
e = some(where (p.eft == allow))

[matchers] 
m = (g(r.sub, p.sub) || keyMatch(r.sub, p.sub)) && keyMatch2(r.obj, p.obj) && regexMatch(r.act, p.act) # https://casbin.org/docs/en/function