PHP Reply::crypt_xml示例

 /**
  * 重载callback()
  * 将微信服务器请求的数据进行解析
  * 并回调控制器的接口方法
  */
 public function callback()
 {
     $postXML = parent::callback();
     empty($_GET) && die;
     // 必须有附带参数
     extract($_GET);
     if ($this->sha1_sign($postXML->Encrypt, $timest, $nonce, $msg_signature)) {
         $req = $this->crypt_extract(parent::callback());
         $reply = '';
         switch (strtolower($req->MsgType)) {
             case 'text':
                 $reply = ES_controller::get_instance()->_keywords($req->Content);
                 break;
             case 'event':
                 $reply = ES_controller::get_instance()->_events($req);
                 break;
         }
         empty($reply) && die;
         list($method, $args) = $reply;
         $args = array('to' => $req->FromUserName, 'from' => $req->ToUserName) + $args;
         $reflector = new ReflectionClass('Reply');
         $rMethod = $reflector->getMethod($method);
         $xml = $rMethod->invokeArgs($reflector->newInstanceWithoutConstructor(), $args);
         // log_msg($xml); // 未加密的消息体
         $xml = $this->crypt_generate($xml);
         $signature = $this->set_sha1_sign($xml, $timestamp, $nonce);
         $xml = Reply::crypt_xml($xml, $signature, $timestamp, $nonce);
         // log_msg($xml); // 加密后的消息体
         echo $xml;
         exit;
     }
     exit;
 }