PHP-Casbin 기반 ABAC 권한 제어

[request_definition]
r = sub, obj, act
[policy_definition]
p = sub, obj, act
[policy_effect]
e = some(where (p.eft == allow))
[matchers]
m = r.sub == r.obj.owner

$data1 = new \stdClass();
$data1->name = 'data1';
$data1->owner = 'alice';
$data2 = new \stdClass();
$data2->name = 'data2';
$data2->owner = 'bob';

$e->enforce('alice', $data1, 'read');  // true
$e->enforce('alice', $data2, 'read');  // false
$e->enforce('bob', $data1, 'read');  // false
$e->enforce('bob', $data2, 'read');  // true