src/Lib/AuthActionsTrait.php
public function hasRight($right) {
		if ($this->Auth->user() !== null) {
			return $this->getUserRights()->userHasRight($this->Auth->user(), $right);
		}
		return false;
	}
public function hasRight($right) {
		if ($this->Auth->user() !== null) {
			return $this->getUserRights()->userHasRight($this->Auth->user(), $right);
		}
		return false;
	}
See UserRights::userHasRight()

@param string $right right name
@return bool