/**
* 验证通知返回
*
* @param NotifyParam $notify_param
*
* @return bool
*/
public function verifyNotify(NotifyParam $notify_param)
{
$params = $notify_param->getParams();
if (empty($params)) {
return false;
}
//生成签名结果
$isSign = $this->getSignVerify($notify_param, $notify_param->getSign());
//获取支付宝服务器远程atn结果
$responseTxt = 'false';
$notify_id = $notify_param->getNotifyId();
if (!empty($notify_id)) {
$responseTxt = $this->getResponse($notify_param->getNotifyId());
}
Logger::addInfo('alipay_wap_notify', 'verifyNotify', array('param' => (string) $notify_param, 'isSign' => $isSign, 'responseTxt' => $responseTxt));
//验证
//$responsetTxt的结果不是true，与服务器设置问题、合作身份者ID、notify_id一分钟失效有关
//isSign的结果不是true，与安全校验码、请求时的参数格式（如：带自定义参数等）、编码格式有关
if (preg_match("/true\$/i", $responseTxt) && $isSign) {
return true;
} else {
return false;
}
}
/**
* 获取返回时签名验证结果
*
* @param NotifyParam $param
* @param $sign
*
* @return bool
*/
public function getSignVerify(NotifyParam $param, $sign)
{
$param->filter();
$param->sort();
$param_str = $param->getParamString();
$isSign = EncryptionFactory::create($this->config)->verify($param_str, $sign);
return $isSign;
}