企业号微信消息响应

<?php 
include_once "./demo/WXBizMsgCrypt.php";
// 假设企业号在公众平台上设置的参数如下
url_valid();
decrypt_msg();

function WXBizMsgCrypt_start()
{
    $encodingAesKey = "tRx1Mg798ImKu3N3YerBjKB5pJwNem1mfwv9BEDT4lz";
    $token = "9gjZHnJ";
    $corpId = "wx83f0d0a2b0d3d571";
    return $wxcpt = new WXBizMsgCrypt($token, $encodingAesKey, $corpId); 
}



//公众号服务器数据url验证
function url_valid()
{
    $sVerifyMsgSig = $_GET['msg_signature'];
    $sVerifyTimeStamp = $_GET['timestamp'];
    $sVerifyNonce = $_GET['nonce'];
    $sVerifyEchoStr = $_GET['echostr']; 
    if($sVerifyEchoStr)
    {
        $wxcpt = WXBizMsgCrypt_start(); 
        $sEchoStr = "";
        $errCode = $wxcpt->VerifyURL($sVerifyMsgSig, $sVerifyTimeStamp, $sVerifyNonce, $sVerifyEchoStr, $sEchoStr);
        if($errCode == 0) 
        {
            logger("R \r\n".$sEchoStr);//写入日志文件
            print($sEchoStr); 
        } else 
        {
            print($errCode . "\n\n");
        }
    }
}



//xml解密
function decrypt_msg()
{
    $sReqMsgSig = $_GET['msg_signature'];
    $sReqTimeStamp = $_GET['timestamp'];
    $sReqNonce = $_GET['nonce'];
    $sReqData = $GLOBALS['HTTP_RAW_POST_DATA'];

    $sMsg = "";  // 解析之后的明文
    //判断收到信息为真
    if($sReqData)
    {
        $wxcpt = WXBizMsgCrypt_start(); 
        $errCode = $wxcpt->DecryptMsg($sReqMsgSig, $sReqTimeStamp, $sReqNonce, $sReqData, $sMsg); //xml解密
        if($errCode == 0) 
        {
            $xml = new DOMDocument();
            $xml->loadXML($sMsg);
            $Content = $xml->getElementsByTagName('Content')->item(0)->nodeValue;//得到消息内容
            $MsyType = $xml->getElementsByTagName('MsgType')->item(0)->nodeValue;//得到消息类型
            $FromUserName = $xml->getElementsByTagName('FromUserName')->item(0)->nodeValue; //发送用户的id
            $MsgType = $xml->getElementsByTagName('MsgType')->item(0)->nodeValue; //消息类型
            $CreateTime = $xml->getElementsByTagName('CreateTime')->item(0)->nodeValue;
            $MsgId = $xml->getElementsByTagName('MsgId')->item(0)->nodeValue;
            $AgentID = $xml->getElementsByTagName('AgentID')->item(0)->nodeValue; 
            logger("R \r\n".$sMsg);//写入日志文件
            encrypt_msg($sReqNonce,$Content);

        }else 
        {
            print("ERR: " . $errCode . "\n\n");
        }
    }

}





//重新加密xml数据
function encrypt_msg($sReqNonce,$Content)
{
    $sRespData ="<xml><ToUserName><![CDATA[".$FromUserName."]]></ToUserName>
                <FromUserName><![CDATA[wx83f0d0a2b0d3d571]]></FromUserName>
                <CreateTime>1348831860</CreateTime><MsgType>
                <![CDATA[text]]></MsgType>
                <Content><![CDATA[".$Content."]]></Content>
                <MsgId>1234567890123456</MsgId>
                <AgentID>128</AgentID>
            </xml>";
    $sEncryptMsg = ""; //xml格式的密文  
    $sReqTimeStamp=time();
    $wxcpt = WXBizMsgCrypt_start(); 
    $errCode = $wxcpt->EncryptMsg($sRespData, $sReqTimeStamp, $sReqNonce, $sEncryptMsg);  
    if($errCode == 0) 
    {
        
        print($sEncryptMsg);
        logger("R \r\n".$sEncryptMsg);//写入日志文件
    }else 
    {  
        print($errCode . "\n\n"); 
    }

}



//写日志

function logger($log_content)
{
    $max_size = 1000000;
    $log_filename = "log.xml";
    if( file_exists($log_filename) && (abs(filesize($log_filename))>$max_size) )
    {
        unlink($log_filename);
    }
    file_put_contents($log_filename, date('Y-m-d H:i:s')." ".$log_content."\r\n", FILE_APPEND);

}

 
?>

 

//封装成类库代码如下

<?php 
include_once "./demo/WXBizMsgCrypt.php";
// 假设企业号在公众平台上设置的参数如下
$qy_callback = new weixin_qy_callback();
$qy_callback->url_valid();
$qy_callback->decrypt_msg();

class weixin_qy_callback
{
    public $encodingAesKey = "tRx1Mg798ImKu3N3YerBjKB5pJwNem1mfwv9BEDT4lz";
    public $token = "9gjZHnJ";
    public $corpId = "wx83f0d0a2b0d3d571";
    public $wxcpt;
    public function __construct()
    {
        $this->wxcpt = new WXBizMsgCrypt($this->token, $this->encodingAesKey, $this->corpId); 
    }
    //公众号服务器数据url验证
    public function url_valid()
    {
        $sVerifyMsgSig = $_GET['msg_signature'];
        $sVerifyTimeStamp = $_GET['timestamp'];
        $sVerifyNonce = $_GET['nonce'];
        $sVerifyEchoStr = $_GET['echostr']; 
        if($sVerifyEchoStr)
        {
            $sEchoStr = "";
            $errCode = $this->wxcpt->VerifyURL($sVerifyMsgSig, $sVerifyTimeStamp, $sVerifyNonce, $sVerifyEchoStr, $sEchoStr);
            if($errCode == 0) 
            {
                $this->logger("R \r\n".$sEchoStr);//写入日志文件
                print($sEchoStr); 
            } else 
            {
                print($errCode . "\n\n");
            }
        }
    }


    //xml解密
    public function decrypt_msg()
    {
        $sReqMsgSig = $_GET['msg_signature'];
        $sReqTimeStamp = $_GET['timestamp'];
        $sReqNonce = $_GET['nonce'];
        $sReqData = $GLOBALS['HTTP_RAW_POST_DATA'];

        $sMsg = "";  // 解析之后的明文
        //判断收到信息为真
        if($sReqData)
        {
            $errCode = $this->wxcpt->DecryptMsg($sReqMsgSig, $sReqTimeStamp, $sReqNonce, $sReqData, $sMsg); //xml解密
            if($errCode == 0) 
            {
                $xml = new DOMDocument();
                $xml->loadXML($sMsg);
                $Content = $xml->getElementsByTagName('Content')->item(0)->nodeValue;//得到消息内容
                $MsyType = $xml->getElementsByTagName('MsgType')->item(0)->nodeValue;//得到消息类型
                $FromUserName = $xml->getElementsByTagName('FromUserName')->item(0)->nodeValue; //发送用户的id
                $MsgType = $xml->getElementsByTagName('MsgType')->item(0)->nodeValue; //消息类型
                $CreateTime = $xml->getElementsByTagName('CreateTime')->item(0)->nodeValue;
                $MsgId = $xml->getElementsByTagName('MsgId')->item(0)->nodeValue;
                $AgentID = $xml->getElementsByTagName('AgentID')->item(0)->nodeValue; 
                $this->logger("R \r\n".$sMsg);//写入日志文件
                $this->encrypt_msg($sReqNonce,$Content);

            }else 
            {
                print("ERR: " . $errCode . "\n\n");
            }
        }

    }



    //重新加密xml数据
    public function encrypt_msg($sReqNonce,$Content)
    {
        $sRespData ="<xml><ToUserName><![CDATA[".$FromUserName."]]></ToUserName>
                    <FromUserName><![CDATA[wx83f0d0a2b0d3d571]]></FromUserName>
                    <CreateTime>1348831860</CreateTime><MsgType>
                    <![CDATA[text]]></MsgType>
                    <Content><![CDATA[".$Content."]]></Content>
                    <MsgId>1234567890123456</MsgId>
                    <AgentID>128</AgentID>
                </xml>";
        $sEncryptMsg = ""; //xml格式的密文  
        $sReqTimeStamp=time();
        $errCode = $this->wxcpt->EncryptMsg($sRespData, $sReqTimeStamp, $sReqNonce, $sEncryptMsg);  
        if($errCode == 0) 
        {
            
            print($sEncryptMsg);
            $this->logger("R \r\n".$sEncryptMsg);//写入日志文件
        }else 
        {  
            print($errCode . "\n\n"); 
        }

    }



    //写日志

    public function logger($log_content)
    {
        $max_size = 1000000;
        $log_filename = "log.xml";
        if( file_exists($log_filename) && (abs(filesize($log_filename))>$max_size) )
        {
            unlink($log_filename);
        }
        file_put_contents($log_filename, date('Y-m-d H:i:s')." ".$log_content."\r\n", FILE_APPEND);

    }


}


 
?>