/**
* @param mixed class, object, callable
* @param string method
* @return Closure
*/
public static function closure($callable, $m = NULL)
{
if ($m !== NULL) {
$callable = array($callable, $m);
} elseif ($callable instanceof Closure) {
return $callable;
}
self::check($callable, TRUE);
$_callable_ = $callable;
return function () use($_callable_) {
XApp_Utils_Callback::check($_callable_);
return call_user_func_array($_callable_, func_get_args());
};
}
/**
* Returns the rule type associated with the specified Resource, Role, and privilege.
* @param string|Permission::ALL
* @param string|Permission::ALL
* @param string|Permission::ALL
* @return mixed NULL if a rule does not exist or assertion fails, otherwise returns ALLOW or DENY
*/
private function getRuleType($resource, $role, $privilege)
{
if (!($rules = $this->getRules($resource, $role))) {
return NULL;
}
if ($privilege === self::ALL) {
if (isset($rules['allPrivileges'])) {
$rule = $rules['allPrivileges'];
} else {
return NULL;
}
} elseif (!isset($rules['byPrivilege'][$privilege])) {
return NULL;
} else {
$rule = $rules['byPrivilege'][$privilege];
}
if ($rule['assert'] === NULL || XApp_Utils_Callback::invoke($rule['assert'], $this, $role, $resource, $privilege)) {
return $rule['type'];
} elseif ($resource !== self::ALL || $role !== self::ALL || $privilege !== self::ALL) {
return NULL;
} elseif (self::ALLOW === $rule['type']) {
return self::DENY;
} else {
return self::ALLOW;
}
}
/**
* Adds a method to class.
* @param string
* @param string
* @param mixed callable
* @return void
*/
public static function setExtensionMethod($class, $name, $callback)
{
$name = strtolower($name);
self::$extMethods[$name][$class] = XApp_Utils_Callback::closure($callback);
self::$extMethods[$name][''] = NULL;
}