src/Lib/AuthActionsTrait.php
public function isAuthorized($user) {
		return $this->getAuthActions()->isAuthorized(
			$this->Auth->user(),
			$this->request->params['plugin'],
			$this->request->params['controller'],
			$this->request->params['action']
		);
	}
public function isAuthorized($user) {
		return $this->getAuthActions()->isAuthorized(
			$this->Auth->user(),
			$this->request->params['plugin'],
			$this->request->params['controller'],
			$this->request->params['action']
		);
	}
See AuthActions::isAuthorized()

@param array $user User to check
@return bool