[request_definition]
r = sub, dom, obj, act

[policy_definition]
p = sub, dom, obj, act

[role_definition]
g = _, _, _

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

[matchers]
m = (g(r.sub, p.sub) || g(r.sub, p.sub, r.dom) || keyMatch(r.sub, p.sub))  && (p.dom=="*" || r.dom == p.dom) && ( p.obj=="*" || r.obj == p.obj) && (p.act=="*" || r.act == p.act) || r.sub=="root"