<?php
// 微信公众号基础类 需要安装redis
//杨星宇 除微信登录 微信支付
define("TOKEN", "mytoken");
class Wechatpush{    

public $appid;
public $secret;
public $access_token;

	function __construct($appid,$secret){
		$this->appid = $appid;
        $this->secret = $secret;
        $this->valid();
        $this->getaccess_token();
	} 

	public function valid(){  //验证token
        $echoStr = input('echostr');
        if($this->checkSignature()){
        	echo $echoStr;
        	//exit;
        }
    }

    private function checkSignature(){  //验证token
        $signature = input("signature");
        $timestamp = input("timestamp");
        $nonce = input("nonce");    
        $token = TOKEN;
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );
        
        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }


    public function getaccess_token(){   //获取access_token 用redis来做中间token存储
        $redis = new \Redis();
        $redis->connect('127.0.0.1',6379);
        $token = $redis->get($this->appid);
        if($token){
            $this->access_token = $token;
        }else{
            $token_access_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $this->appid . "&secret=" . $this->secret;
            $res = file_get_contents($token_access_url); //获取文件内容或获取网络请求的内容
            $result = json_decode($res, true); //接受一个 JSON 格式的字符串并且把它转换为 PHP 变量
            if(isset($result['access_token'])){
                //把access_token存入redis用 access_token expires_in 过期时间 来做过期时间
                $result['expires_in'] = 3600;
                $redis->setex($this->appid,$result['expires_in'],$result['access_token']);
                $this->access_token = $result['access_token'];
            }else{
                $this->access_token = '';
            }
        }
   }
   
   //获取粉丝openid 一次最多拉取 1万条
   public function getopenid(){
        $url ="https://api.weixin.qq.com/cgi-bin/user/get?access_token=".$this->access_token;
        $result = $this->https_request($url);
        $info = json_decode($result,true);
        if(isset($info['data'])){
            $users = $info['data']['openid'];
        }else{
            $users = null; 
        }
        return $users;
   }
   
   //获取所有全部粉丝openid 一次最多拉取 1万条 需要多次拉取 next_openid=列表最后一个openid
   public function getopenidall($nextid=null){
        $next_openid = empty($nextid)?null:"&next_openid=".$nextid;
        $url ="https://api.weixin.qq.com/cgi-bin/user/get?access_token=".$this->access_token.$next_openid;
        $result = $this->https_request($url);
        $info = json_decode($result,true);
        if(isset($info['data'])){
            $users = $info['data']['openid'];
            $endid = $info['next_openid'];
        }else{
            $users = null;
            $endid = null;
        }
        $openidArr = array(
            'users'=>$users,
            'endid'=>$endid
        );
        return $openidArr;
   }

   //创建底部菜单 注意菜单名称如果是数组转json 需要 urlencode() 汉字 打包后 在解码
   public function wechatnav($arr){   
        $url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=".$this->access_token;
        $jsondata = urldecode(json_encode($arr)); 
        $ch = curl_init(); //创建一个请求
        curl_setopt($ch,CURLOPT_URL,$url); //设置请求的url
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); // 将curl_exec()获取的信息以文件流的形式返回，而不是直接输出。
        curl_setopt($ch,CURLOPT_POST,1); //启用时会发送一个常规的POST请求，类型为：application/x-www-form-urlencoded，就像表单提交的一样
        curl_setopt($ch,CURLOPT_POSTFIELDS,$jsondata); //全部数据使用HTTP协议中的"POST"操作来发送。要发送文件，在文件名前面加上@前缀并使用完整路径。这个参数可以通过urlencoded后的字符串类似'para1=val1&para2=val2&...'或使用一个以字段名为键值，字段数据为值的数组。如果value是一个数组，Content-Type头将会被设置成multipart/form-data。 
        $output = curl_exec($ch); //执行请求
        curl_close($ch); //关闭资源
        return $output;
    }

    //查看底部菜单
    public function getwechatnav(){
        $url = "https://api.weixin.qq.com/cgi-bin/get_current_selfmenu_info?access_token=".$this->access_token;
        $data = $this->getHttp($url);
        return $data;
    } 
   
    public function deletenav(){  //删除底部菜单
         return file_get_contents("https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=".$this->access_token);
    }

     //被动回复图文消息 注意：Xml里面不能有编辑器换行或者空格 严格要求官方数据格式
     //只能关注回复才能使用高级素材模式 否则会自动转成客服消息图文模式
     public 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));
         echo $result;
     }

     //被动回复文本消息 注意：Xml里面不能有编辑器换行或者空格 严格要求官方数据格式
     public 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[%s]]></MsgType>
<Content><![CDATA[%s]]></Content>
</xml>";         
         $result = sprintf($xmlTpl, $object['FromUserName'], $object['ToUserName'], time(),'text',$content);
         echo $result;
     } 
     
     
     //关注回复发送图片
     public function transmitImage($object,$mediaId){
         if (!isset($mediaId) || empty($mediaId)){
             return "";
         }
         $xmlTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Image>
    <MediaId><![CDATA[%s]]></MediaId>
</Image>
</xml>";         
         $result = sprintf($xmlTpl, $object['FromUserName'], $object['ToUserName'], time(),'image',$mediaId);
         echo $result;
     }

	//推送模板消息
    public function pushTemplate($openids=array(),$data=array()){
        $touser = $openids;
        $url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=" . $this->access_token;
        foreach ($touser as $value) {
        $datapush = $this->getDataTemplateArray($value,$data);
        $json_data = json_encode($datapush);//转化成json数组让微信可以接收
        $res = $this->https_request($url, urldecode($json_data));//请求开始
        $res = json_decode($res, true);
            if ($res['errcode'] == 0 && $res['errcode'] == "ok"){
                return 1;
            }else{
                return $res['errcode'];
            }
        }
    }

    //获取发送模板消息数据数组
    public function getDataTemplateArray($openid,$data){  
        $data = array(
            'touser' => $openid, //单个openid
            'template_id' => $data['template'],
            'url' => $data['link'], 
            'data' => array(
                'first' => array(
                    'value' => $data['title'],
                    'color' => "#000"
                ),
                'keyword1' => array(
                    'value' => $data['keyword1'],
                    'color' => $data['color2']
                ),
                'keyword2' => array(
                    'value' => $data['keyword2'],
                    'color' => "#000"
                ),
                'remark' => array(
                    'value' => $data['remark'],
                    'color' => $data['color3']
                ),
            )
        );
        return $data;
    }


    public function getDataArrayKefu($value,$link){  //获取发送数据数组 发送文本客服消息
        $data = array(
            'touser' => $value, //要发送给用户的openid
            'msgtype'=>'text',
            'text' => array(
                'content' =>$link
            )
        );
        return $data;
    }

    public function getDataArrayKefuImg($value,$title,$description,$url,$imgurl){  //获取发送数据数组 发送图文客服消息
        $data = '{
            "touser":"'.$value.'",
            "msgtype":"news",
            "news":{
                "articles": [
                {
                    "title":"'.$title.'",
                    "description":"'.$description.'",
                    "url":"'.$url.'",
                    "picurl":"'.$imgurl.'"
                }
                ]
            }
        }';
        return $data;
    }

    //发送文本客服消息 text 需要urlencode编码一下
   public function kefu($openids=array(),$text){
        $touser = $openids;
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=". $this->access_token;
        foreach ($touser as $value) {
        $data = $this->getDataArrayKefu($value,$text);
        $json_data = json_encode($data);//转化成json数组让微信可以接收
        $res = $this->https_request($url, urldecode($json_data));//请求开始
        $res = json_decode($res, true);
            if ($res['errcode'] == 0 && $res['errcode'] == "ok"){
               return '发送成功';
            }else{
                var_dump($res);
            }
        }
    }

    // 发送图文客服消息 openid 标题 描述 外链地址 图片地址
    public function kefuImg($openids=array(),$title,$description,$linkurl,$imgurl){
        $touser = $openids;
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=". $this->access_token;
        foreach ($touser as $value) {
        $data = $this->getDataArrayKefuImg($value,$title,$description,$linkurl,$imgurl);
        $res = $this->https_request($url, $data);//请求开始
        $res = json_decode($res, true);
            if ($res['errcode'] == 0 && $res['errcode'] == "ok"){
               return '发送成功';
            }else{
                var_dump($res);
            }
        }
    }

    //curl请求函数，微信都是通过该函数请求
    public function https_request($url, $data = null){
        $curl = curl_init(); //创建请求
        curl_setopt($curl, CURLOPT_URL, $url); //设置请求的URL
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);//禁用后cURL将终止从服务端进行验证。使用CURLOPT_CAINFO选项设置证书使用CURLOPT_CAPATH选项设置证书目录 如果CURLOPT_SSL_VERIFYPEER(默认值为2)被启用，CURLOPT_SSL_VERIFYHOST需要被设置成TRUE否则设置为FALSE。
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);//1 检查服务器SSL证书中是否存在一个公用名(common name)。译者注：公用名(Common Name)一般来讲就是填写你将要申请SSL证书的域名 (domain)或子域名(sub domain)。2 检查公用名是否存在，并且是否与提供的主机名匹配
        if (!empty($data)) {
            curl_setopt($curl, CURLOPT_POST, 1); //设置为POST
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);//传递一个数组到CURLOPT_POSTFIELDS，cURL会把数据编码成 multipart/form-data，而然传递一个URL-encoded字符串时，数据会被编码成 application/x-www-form-urlencoded
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER,1);//在启用CURLOPT_RETURNTRANSFER的时候，返回原生的（Raw）输出。 
        $output = curl_exec($curl);//设置OK  
        curl_close($curl);
        return $output;
    }

    // get请求
    public function getHttp($url,$post_data=array()) {
		$ch = curl_init($url);
		$timeout = 6000;
		curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_HEADER,0 );
		curl_setopt($ch, CURLOPT_FRESH_CONNECT, 1);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);
		curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_data));
		$ret = curl_exec($ch);
		curl_close($ch);
		return $ret;
	}


// 以下是高级群发 素材管理

    // 上传图片 返回media_id
    public function uploadImage($file,$type='image'){
        $data = array('media' => new \CURLFile(realpath($file)));
        $url = 'https://api.weixin.qq.com/cgi-bin/material/add_material?access_token='.$this->access_token.'&type='.$type;
        $res = $this->https_request($url,$data);//请求开始
        $res = json_decode($res, true);
            if (isset($res['errcode'])){
               return 0;
            }else{
               return $res['media_id'];
            }
    }

    // 上传图文消息内的图片获取URL $file 必须服务器绝对路径
    public function getimg($file){
        $data = array('media' => new \CURLFile(realpath($file)));
        $url = 'https://api.weixin.qq.com/cgi-bin/media/uploadimg?access_token='.$this->access_token;
        $res = $this->https_request($url,$data);//请求开始
        $res = json_decode($res, true);
        if (isset($res['errcode'])){
               return 0;
        }else{
               return $res['url'];
        }
    }

    // 上传图文素材 返回素材的media_id
    // 注意素材里的 文本需要 urlencode 编码 打包json后在 urldecode 数据才正确 
    // 编辑器里的文本需要 urlencode + htmlspecialchars(str_replace("\"", "'", $data['content'])) 然后 urldecode + htmlspecialchars_decode
    // $data = 2维数组(必须)
    public function upMaterial($data){
        // $url = 'https://api.weixin.qq.com/cgi-bin/material/add_news?access_token='.$this->access_token;
        $url = 'https://api.weixin.qq.com/cgi-bin/draft/add?access_token='.$this->access_token;
        $news = array();
        $news['articles'] = $data;
        $news = json_encode($news);
        $news = urldecode($news);
        $news = htmlspecialchars_decode($news);
        $res = $this->https_request($url,$news);//请求开始
        $res = json_decode($res, true);
        if (isset($res['errcode'])){
            return null;
         }else{
            return $res['media_id'];
         }

    }

    // 修改已经上传的图文素材 当个栏目修改
    // 注意素材里的 文本需要 urlencode 编码 打包json后在 urldecode 数据才正确
    // 编辑器里的文本需要 urlencode + htmlspecialchars(str_replace("\"", "'", $data['content'])) 然后 urldecode + htmlspecialchars_decode
    // 正确时errcode的值应为0 $data = 一维数组 $media_id = 素材ID $index = 栏目所在素材位置
    public function renewNews($data,$media_id,$index){
        // $url = 'https://api.weixin.qq.com/cgi-bin/material/update_news?access_token='.$this->access_token;
        $url = 'https://api.weixin.qq.com/cgi-bin/draft/update?access_token='.$this->access_token;
        $news = array(
            "media_id"=>$media_id,
            "index"=>$index,
            "articles"=>$data
        );
        $news = json_encode($news);
        $news = urldecode($news);
        $news = htmlspecialchars_decode($news);
        $res = $this->https_request($url,urldecode($news));//请求开始
        $res = json_decode($res, true);
        if ($res['errcode']==0){
            return 1;
         }else{
            return $res;
         }         
    }

    // 删除图文模板
    public function delmd($media_id){
        // $url = 'https://api.weixin.qq.com/cgi-bin/material/del_material?access_token='.$this->access_token;
        $url = 'https://api.weixin.qq.com/cgi-bin/draft/delete?access_token='.$this->access_token;
        $data = array('media_id'=>$media_id);
        $data = json_encode($data);
        $res = $this->https_request($url,$data);//请求开始
        $res = json_decode($res, true);
        if ($res['errcode']==0){
            return 1;
         }else{
            return $res;
         } 
    }

    // 测试高级群发
    public function ceshiPush($openid,$media_id){
        $this->valid();
        $this->getaccess_token();
        $url = 'https://api.weixin.qq.com/cgi-bin/message/mass/preview?access_token='.$this->access_token;
        $data = '{
            "touser":"'.$openid.'", 
            "mpnews":{              
              "media_id":"'.$media_id.'"               
             },
            "msgtype":"mpnews" 
         }';
         $res = $this->https_request($url,$data);//请求开始
         $res = json_decode($res, true);
         if ($res['errcode']==0){
             return '发送成功';
          }else{
             return $res['errmsg'];
          }
    }

    // 开始高级群发 $openids = 一维数组 $media_id = 素材ID
    public function advancedPush($openids,$media_id){
        $url = 'https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token='.$this->access_token;
        $openid = json_encode($openids);
        $news = '{
            "touser":'.$openid.',
            "mpnews":{
               "media_id":"'.$media_id.'"
            },
             "msgtype":"mpnews",
             "send_ignore_reprint":1,
             "is_to_all":"true"
         }';
         $res = $this->https_request($url,$news);//请求开始
         $res = json_decode($res, true);
         if ($res['errcode']==0){
             return 1;
          }else{
             return $res['errmsg'];
          }
    }


}

?>