tips-1048079-04.php

wechat.inc.php


 _appid = $appid;
        $this->_appsecret = $appsecret;
        $this->_token = $token;
    }

    public function valid()
    {
        $echoStr = $_GET["echostr"];

        //valid signature , option
        if($this->checkSignature())
        {
            echo $echoStr;
            exit;
        }
    }

    public function responseMsg()
    {
        //get post data, May be due to the different environments
        $postStr = file_get_contents("php://input"); 

          //extract post data
        if (!empty($postStr))
        {
            $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
            if (!empty($postObj))
            {
                switch($postObj->MsgType)
                {
                    case 'text':
                        $this->_doText($postObj);
                        break;
                    default: exit;
                }
            }
        }
        else
        {
            echo "";
            exit;
        }
    }
    
    private function _doText($postObj)
    {
        $fromUsername = $postObj->FromUserName;
        $toUsername = $postObj->ToUserName;
        $keyword = trim($postObj->Content);
        $time = time();
        $textTpl = "
 
                    
  
   %s
  
                    
  
   %s
  
                    
  
   %s
  
                    
  
   %s
  
                    
  
   %s
  
                    
  
   0
  
                    
 ";
        if (!empty( $keyword ))
        {
            require "./kintone.php";
            $kintone = new Kintone();
            $contentStr = $kintone->searchData($keyword);

            if ($keyword == "hello")
            {
                $contentStr = "Welcome to wechat world!";
            }    
            $msgType = "text";
            $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
            echo $resultStr;
        }
        exit;
    }

    private function checkSignature()
    {
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];

        $token = $this->_token;
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );
        
        if( $tmpStr == $signature )
        {
            return true;
        }
        else
        {
            return false;
        }
    }
}
?>