微信企业号消息接口PHP SDK及Demo

<?php

/*

    方倍工作室 http://www.fangbei.org/

    CopyRight 2015 All Rights Reserved

*/

require_once("../../class/msgcrypt/WXBizMsgCrypt.php");

$encodingAesKey = "H6kXf9a1zeuc72iwAyVvyrdbDKk2OyLsgOoXRkVoYHI";

$token = "GwEHlFThLe4Xr2US7aCebP8b2JKwG";

$corpId = "wx8f481b055b719a82";

class wechatCallbackapiTest extends WXBizMsgCrypt

{

    //验证URL有效

    public function valid()

    {

        $sVerifyMsgSig = $_GET["msg_signature"];

        $sVerifyTimeStamp = $_GET["timestamp"];

        $sVerifyNonce = $_GET["nonce"];

        $sVerifyEchoStr = $_GET["echostr"];

        $sEchoStr = "";

        $errCode = $this->VerifyURL($sVerifyMsgSig, $sVerifyTimeStamp, $sVerifyNonce, $sVerifyEchoStr, $sEchoStr);

        if ($errCode == 0) {

            // 验证URL成功，将sEchoStr返回

            echo $sEchoStr;

        }

    }

    //响应消息

    public function responseMsg()

    {

        $sReqMsgSig = $_GET['msg_signature'];

        $sReqTimeStamp = $_GET['timestamp'];

        $sReqNonce = $_GET['nonce'];

        $sReqData = $GLOBALS["HTTP_RAW_POST_DATA"];

        $sMsg = "";  // 解析之后的明文

        $this->logger(" DE \r\n".$sReqData);

        $errCode = $this->DecryptMsg($sReqMsgSig, $sReqTimeStamp, $sReqNonce, $sReqData, $sMsg);

        //判断解密成功 if ($errCode == 0)，可以暂时忽略

        $this->logger(" RR \r\n".$sMsg);

        $postObj = simplexml_load_string($sMsg, 'SimpleXMLElement', LIBXML_NOCDATA);

        $RX_TYPE = trim($postObj->MsgType);

        // //客服模式，用于服务号转入，会导致正常消息失效，暂时禁用

        // if (isset($postObj->AgentType)){

            // $sRespData = trim($postObj->PackageId);

            // $this->logger(" RT \r\n".$sRespData);

            // echo $sRespData;

            // exit;

        // }

        //消息类型分离

        switch ($RX_TYPE)

        {

            case "event":

                $sRespData = $this->receiveEvent($postObj);

                break;

            case "text":

                $sRespData = $this->receiveText($postObj);

                break;

            case "image":

                $sRespData = $this->receiveImage($postObj);

                break;

            case "location":

                $sRespData = $this->receiveLocation($postObj);

                break;

            case "voice":

                $sRespData = $this->receiveVoice($postObj);

                break;

            case "video":

            case "shortvideo":

                $sRespData = $this->receiveVideo($postObj);

                break;

            case "link":

                $sRespData = $this->receiveLink($postObj);

                break;

            default:

                $sRespData = "unknown msg type: ".$RX_TYPE;

                break;

        }

        $this->logger(" RT \r\n".$sRespData);

        //加密

        $sEncryptMsg = ""; //xml格式的密文

        $errCode = $this->EncryptMsg($sRespData, $sReqTimeStamp, $sReqNonce, $sEncryptMsg);

        $this->logger(" EC \r\n".$sEncryptMsg);

        echo $sEncryptMsg;

    }

    //接收事件消息

    private function receiveEvent($object)

    {

        $content = "";

        switch ($object->Event)

        {

            case "subscribe":

                $content = "欢迎关注企业号";

                break;

            case "enter_agent":

                $content = "欢迎进入企业号应用";

                break;

            case "unsubscribe":

                $content = "取消关注";

                break;

            case "click":

                switch ($object->EventKey)

                {

                    case "COMPANY":

                        $content = array();

                        $content[] = array("Title"=>"方倍工作室", "Description"=>"", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");

                        break;

                    default:

                        $content = "点击菜单：".$object->EventKey;

                        break;

                }

                break;

            case "view":

                $content = "跳转链接 ".$object->EventKey;

                break;

            case "LOCATION":

                $content = "上传位置：纬度 ".$object->Latitude.";经度 ".$object->Longitude;

                break;

            case "scancode_waitmsg":

                $content = "扫码带提示：类型 ".$object->ScanCodeInfo->ScanType." 结果：".$object->ScanCodeInfo->ScanResult;

                break;

            case "scancode_push":

                $content = "扫码推事件";

                break;

            case "pic_sysphoto":

                $content = "系统拍照";

                break;

            case "pic_weixin":

                $content = "相册发图：数量 ".$object->SendPicsInfo->Count;

                break;

            case "pic_photo_or_album":

                $content = "拍照或者相册：数量 ".$object->SendPicsInfo->Count;

                break;

            case "location_select":

                $content = "发送位置：标签 ".$object->SendLocationInfo->Label;

                break;

            case "batch_job_result":

                $content = "异步任务完成：任务ID：".$object->BatchJob->JobId." 操作类型：".$object->BatchJob->JobType." 返回码：".$object->BatchJob->ErrCode." 返回说明：".$object->BatchJob->ErrMsg;

                break;

            default:

                $content = "receive a new event: ".$object->Event;

                break;

        }

        if(is_array($content)){

            $result = $this->transmitNews($object, $content);

        }else{

            $result = $this->transmitText($object, $content);

        }

        return $result;

    }

    //接收文本消息

    private function receiveText($object)

    {

        $keyword = trim($object->Content);

        if (strstr($keyword, "文本")){

            $content = "这是个文本消息";

        }else if (strstr($keyword, "表情")){

            $content = "中国：".$this->bytes_to_emoji(0x1F1E8).$this->bytes_to_emoji(0x1F1F3)."\n仙人掌：".$this->bytes_to_emoji(0x1F335);

        }else if (strstr($keyword, "单图文")){

            $content = array();

            $content[] = array("Title"=>"单图文标题",  "Description"=>"单图文内容", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");

        }else if (strstr($keyword, "图文") || strstr($keyword, "多图文")){

            $content = array();

            $content[] = array("Title"=>"多图文1标题", "Description"=>"", "PicUrl"=>"", "Url" =>"http://m.cnblogs.com/?u=txw1958");

            $content[] = array("Title"=>"多图文2标题", "Description"=>"", "PicUrl"=>"http://d.hiphotos.bdimg.com/wisegame/pic/item/f3529822720e0cf3ac9f1ada0846f21fbe09aaa3.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");

            $content[] = array("Title"=>"多图文3标题", "Description"=>"", "PicUrl"=>"http://g.hiphotos.bdimg.com/wisegame/pic/item/18cb0a46f21fbe090d338acc6a600c338644adfd.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");

            $content[] = array("Title"=>"多图文3标题", "Description"=>"", "PicUrl"=>"http://g.hiphotos.bdimg.com/wisegame/pic/item/18cb0a46f21fbe090d338acc6a600c338644adfd.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");

            $content[] = array("Title"=>"多图文3标题", "Description"=>"", "PicUrl"=>"http://g.hiphotos.bdimg.com/wisegame/pic/item/18cb0a46f21fbe090d338acc6a600c338644adfd.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");

            $content[] = array("Title"=>"多图文3标题", "Description"=>"", "PicUrl"=>"http://g.hiphotos.bdimg.com/wisegame/pic/item/18cb0a46f21fbe090d338acc6a600c338644adfd.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");

        }else{

            $content = date("Y-m-d H:i:s",time());

            $content = $object->FromUserName;

        }

        if(is_array($content)){

            $result = $this->transmitNews($object, $content);

        }else{

            $result = $this->transmitText($object, $content);

        }

        return $result;

    }

    //接收图片消息

    private function receiveImage($object)

    {

        $content = array("MediaId"=>$object->MediaId);

        $result = $this->transmitImage($object, $content);

        return $result;

    }

    //接收位置消息

    private function receiveLocation($object)

    {

        $content = "你发送的是位置，经度为：".$object->Location_Y."；纬度为：".$object->Location_X."；缩放级别为：".$object->Scale."；位置为：".$object->Label;

        $result = $this->transmitText($object, $content);

        return $result;

    }

    //接收语音消息

    private function receiveVoice($object)

    {

        if (isset($object->Recognition) && !empty($object->Recognition)){

            $content = "你刚才说的是：".$object->Recognition;

            $result = $this->transmitText($object, $content);

        }else{

            $content = array("MediaId"=>$object->MediaId);

            $result = $this->transmitVoice($object, $content);

        }

        return $result;

    }

    //接收视频消息

    private function receiveVideo($object)

    {

        $content = array("MediaId"=>$object->MediaId, "ThumbMediaId"=>$object->ThumbMediaId, "Title"=>"视频标题", "Description"=>"视频描述");

        $result = $this->transmitVideo($object, $content);

        return $result;

    }

    //接收链接消息

    private function receiveLink($object)

    {

        $content = "你发送的是链接，标题为：".$object->Title."；内容为：".$object->Description."；链接地址为：".$object->Url;

        $result = $this->transmitText($object, $content);

        return $result;

    }

    //回复文本消息

    private function transmitText($object, $content)

    {

        if (!isset($content) || empty($content)){

            return "";

        }

        $xmlTpl = "<xml>

    <ToUserName><![CDATA[%s]]></ToUserName>

    <FromUserName><![CDATA[%s]]></FromUserName>

    <CreateTime>%s</CreateTime>

    <MsgType><![CDATA[text]]></MsgType>

    <Content><![CDATA[%s]]></Content>

</xml>";

        $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time(), $content);

        return $result;

    }

    //回复图文消息

    private function transmitNews($object, $newsArray)

    {

        if(!is_array($newsArray)){

            return "";

        }

        $itemTpl = "        <item>

            <Title><![CDATA[%s]]></Title>

            <Description><![CDATA[%s]]></Description>

            <PicUrl><![CDATA[%s]]></PicUrl>

            <Url><![CDATA[%s]]></Url>

        </item>

";

        $item_str = "";

        foreach ($newsArray as $item){

            $item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);

        }

        $xmlTpl = "<xml>

    <ToUserName><![CDATA[%s]]></ToUserName>

    <FromUserName><![CDATA[%s]]></FromUserName>

    <CreateTime>%s</CreateTime>

    <MsgType><![CDATA[news]]></MsgType>

    <ArticleCount>%s</ArticleCount>

    <Articles>

$item_str    </Articles>

</xml>";

        $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time(), count($newsArray));

        return $result;

    }

    //回复图片消息

    private function transmitImage($object, $imageArray)

    {

        $itemTpl = "<Image>

        <MediaId><![CDATA[%s]]></MediaId>

    </Image>";

        $item_str = sprintf($itemTpl, $imageArray['MediaId']);

        $xmlTpl = "<xml>

    <ToUserName><![CDATA[%s]]></ToUserName>

    <FromUserName><![CDATA[%s]]></FromUserName>

    <CreateTime>%s</CreateTime>

    <MsgType><![CDATA[image]]></MsgType>

    $item_str

</xml>";

        $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());

        return $result;

    }

    //回复语音消息

    private function transmitVoice($object, $voiceArray)

    {

        $itemTpl = "<Voice>

        <MediaId><![CDATA[%s]]></MediaId>

    </Voice>";

        $item_str = sprintf($itemTpl, $voiceArray['MediaId']);

        $xmlTpl = "<xml>

    <ToUserName><![CDATA[%s]]></ToUserName>

    <FromUserName><![CDATA[%s]]></FromUserName>

    <CreateTime>%s</CreateTime>

    <MsgType><![CDATA[voice]]></MsgType>

    $item_str

</xml>";

        $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());

        return $result;

    }

    //回复视频消息

    private function transmitVideo($object, $videoArray)

    {

        $itemTpl = "<Video>

        <MediaId><![CDATA[%s]]></MediaId>

        <ThumbMediaId><![CDATA[%s]]></ThumbMediaId>

        <Title><![CDATA[%s]]></Title>

        <Description><![CDATA[%s]]></Description>

    </Video>";

        $item_str = sprintf($itemTpl, $videoArray['MediaId'], $videoArray['ThumbMediaId'], $videoArray['Title'], $videoArray['Description']);

        $xmlTpl = "<xml>

    <ToUserName><![CDATA[%s]]></ToUserName>

    <FromUserName><![CDATA[%s]]></FromUserName>

    <CreateTime>%s</CreateTime>

    <MsgType><![CDATA[video]]></MsgType>

    $item_str

</xml>";

        $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());

        return $result;

    }

    //回复多客服消息

    private function transmitService($object)

    {

        $xmlTpl = "<xml>

    <ToUserName><![CDATA[%s]]></ToUserName>

    <FromUserName><![CDATA[%s]]></FromUserName>

    <CreateTime>%s</CreateTime>

    <MsgType><![CDATA[transfer_customer_service]]></MsgType>

</xml>";

        $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());

        return $result;

    }

    //回复第三方接口消息

    private function relayPart3($url, $rawData)

    {

        $headers = array("Content-Type: text/xml; charset=utf-8");

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_URL, $url);

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        curl_setopt($ch, CURLOPT_POST, 1);

        curl_setopt($ch, CURLOPT_POSTFIELDS, $rawData);

        $output = curl_exec($ch);

        curl_close($ch);

        return $output;

    }

    //字节转Emoji表情

    function bytes_to_emoji($cp)

    {

        if ($cp > 0x10000){        # 4 bytes

            return chr(0xF0 | (($cp & 0x1C0000) >> 18)).chr(0x80 | (($cp & 0x3F000) >> 12)).chr(0x80 | (($cp & 0xFC0) >> 6)).chr(0x80 | ($cp & 0x3F));

        }else if ($cp > 0x800){    # 3 bytes

            return chr(0xE0 | (($cp & 0xF000) >> 12)).chr(0x80 | (($cp & 0xFC0) >> 6)).chr(0x80 | ($cp & 0x3F));

        }else if ($cp > 0x80){    # 2 bytes

            return chr(0xC0 | (($cp & 0x7C0) >> 6)).chr(0x80 | ($cp & 0x3F));

        }else{                    # 1 byte

            return chr($cp);

        }

    }

    //日志记录

    public function logger($log_content)

    {

        if(isset($_SERVER['HTTP_APPNAME'])){   //SAE

            sae_set_display_errors(false);

            sae_debug($log_content);

            sae_set_display_errors(true);

        }else if($_SERVER['REMOTE_ADDR'] != "127.0.0.1"){ //LOCAL

            $max_size = 500000;

            $log_filename = "log.xml";

            if(file_exists($log_filename) and (abs(filesize($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);

        }

    }

}

$wechatObj = new wechatCallbackapiTest($token, $encodingAesKey, $corpId);

$wechatObj->logger(' http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].(empty($_SERVER['QUERY_STRING'])?"":("?".$_SERVER['QUERY_STRING'])));

if (!isset($_GET['echostr'])) {

    $wechatObj->responseMsg();

}else{

    $wechatObj->valid();

}

?>

　　

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