/**
*
* @param ValidatorState $state
* @return ValidatorState
*/
private function _calculatePolicyIntersection(ValidatorState $state)
{
// (i) If the valid_policy_tree is NULL, the intersection is NULL
if (!$state->hasValidPolicyTree()) {
return $state;
}
// (ii) If the valid_policy_tree is not NULL and
// the user-initial-policy-set is any-policy, the intersection
// is the entire valid_policy_tree
$initial_policies = $this->_config->policySet();
if (in_array(PolicyInformation::OID_ANY_POLICY, $initial_policies)) {
return $state;
}
// (iii) If the valid_policy_tree is not NULL and the
// user-initial-policy-set is not any-policy, calculate
// the intersection of the valid_policy_tree and the
// user-initial-policy-set as follows
return $state->validPolicyTree()->calculateIntersection($state, $initial_policies);
}
