[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 = r.sub == p.sub  && r.act == p.act && (r.obj == p.obj  || keyMatch4(r.obj, p.obj)) || r.sub == "admin"