<?php
header("content-type:text/html;charset=utf-8");

/**
 * wx_mass
 * 
 * 完成微信公众账户模拟登陆后的一系列操作
 * mass($content) 调用微信群发接口，群发文本信息
 * getUserList($page,$pagesize,$group) 获取用户信息
 * 
 * 群发demo
 * 
 * $user=array(‘account‘=>‘公众账户名称‘,‘password‘=>‘密码‘);
 * $obj=new wx_mass($user);
 * $obj->mass(‘感谢您关注优乐购物，这条消息是由测试程序发出，给你带来不便，敬请谅解！‘);
 * 
 * @package wxdl
 * @author 我好笨
 * @copyright 2014
 * @version $Id$
 * @access public
 */
class wx_mass
{
	private $_cookiefile;
	private $_cookieexpired = 3600;
	private $_account;
	private $_password;
	private $_token;
	
	public function __construct($options)
	{
		$this->_account = isset($options[‘account‘])?$options[‘account‘]:‘‘;
		$this->_password = isset($options[‘password‘])?$options[‘password‘]:‘‘;
        //必须使用绝对路径
        $this->_cookiefile=dirname(__FILE__).‘/temp/‘.md5($this->_account);//此处需要创建一个文件夹装cookie文件
		$this->getCookie();
	}
    /**
     * wx_mass::mass()
     * 
     * 微信群发功能
     * 
     * @param mixed $content 群发内容
     * @return 成功返回ture,失败返回fasle
     */
    public function mass($content)
    {
        $refer="https://mp.weixin.qq.com/cgi-bin/masssendpage?t=mass/send&token=".$this->_token."&lang=zh_CN";
        $submit="https://mp.weixin.qq.com/cgi-bin/masssend";
        $post[‘ajax‘]=1;
        $post[‘city‘]=‘‘;
        $post[‘content‘]=$content;
        $post[‘country‘]=‘‘;
        $post[‘f‘]=‘json‘;
        $post[‘groupid‘]=-1;
        $post[‘imgcode‘]=‘‘;
        $post[‘lang‘]=‘zh_CN‘;
        $post[‘province‘]=‘‘;
        $post[‘random‘]=$this->randomFloat(0,1);
        $post[‘sex‘]=0;
        $post[‘synctxnews‘]=0;
        $post[‘synctxweibo‘]=0;
        $post[‘t‘]=‘ajax-response‘;
        $post[‘token‘]=$this->_token;
        $post[‘type‘]=1;
        $tmpInfo=$this->curl($submit,$refer,false,true,$post);
		$result = json_decode($tmpInfo,true);
        if (!isset($result[‘base_resp‘]) || $result[‘base_resp‘][‘ret‘] != 0)
        {
			return false;
		}
        return true;
    }
    /**
     * wx_mass::getUserList()
     * 
     * 根据分组ID获取用户列表
     * 
     * @param integer $page
     * @param integer $pagesize
     * @param integer $groupid
     * @return
     */
    public function getUserList($page=0,$pagesize=10,$groupid=100)
    {
		$t = time().strval(mt_rand(100,999));
		$referer = "https://mp.weixin.qq.com/cgi-bin/contactmanage?t=user/index&pagesize=".$pagesize."&pageidx=".$page."&type=0&groupid=0&lang=zh_CN&token=".$this->_token;
		$submit = "https://mp.weixin.qq.com/cgi-bin/contactmanage?t=user/index&pagesize=".$pagesize."&pageidx=".$page."&type=0&groupid=$groupid&lang=zh_CN&f=json&token=".$this->_token;
        $result=$this->curl($submit,$referer);
		$json = json_decode($result,true);
		if(isset($json[‘contact_list‘]))
        {
			$json = json_decode($json[‘contact_list‘],true);
			if(isset($json[‘contacts‘]))
            {
                return $json[‘contacts‘];
            }
		}
		return false;
	}
    /**
     * wx_mass::login()
     * 
     * 模拟登陆
     * 
     * @return void
     */
    private function login()
    {
        $submit = "https://mp.weixin.qq.com/cgi-bin/login?lang=zh_CN";
        $refer = "https://mp.weixin.qq.com/";
		$post["username"] = $this->_account;
		$post["pwd"] = md5($this->_password);
		$post["f"] = "json";
		$post["imgcode"] = "";
        $tmpInfo=$this->curl($submit,$refer,true,true,$post);
		$result = json_decode($tmpInfo,true);
		if (!isset($result[‘base_resp‘]) || $result[‘base_resp‘][‘ret‘] != 0)
        {
			return false;
		}
        preg_match("/token=(\d+)/i",$result[‘redirect_url‘],$matches);
		if($matches)
        {
			$this->_token = $matches[1];
		
		}
    }
    /**
     * wx_mass::curl()
     * 
     * @param mixed $submit curl访问目标URL
     * @param mixed $refer 伪造的refer
     * @param bool $write_cookie 读写cookie,true为保存，false为读取
     * @param bool $is_post 是否post提交数据，true为提交数据，提交数据时，$post为提交的值
     * @param mixed $post is_post为真时，提交的数据
     * @return 返回curl执行结果
     */
    private function curl($submit,$refer,$write_cookie=false,$is_post=false,$post=array())
    {
        $ch = curl_init(); // 启动一个CURL会话
        curl_setopt($ch, CURLOPT_URL, $submit); // 要访问的地址
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // 从证书中检查SSL加密算法是否存在
        curl_setopt($ch, CURLOPT_SSLVERSION, 3);
        curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER[‘HTTP_USER_AGENT‘]); // 模拟用户使用的浏览器
        curl_setopt($ch, CURLOPT_REFERER, $refer);
        if($is_post)
        {
            curl_setopt($ch, CURLOPT_POST, 1); // 发送一个常规的Post请求
            curl_setopt($ch, CURLOPT_POSTFIELDS, $post); // Post提交的数据包
        }
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环
        if($write_cookie && file_exists($this->_cookiefile))
        {
            @unlink($this->_cookiefile);
        }
        if($write_cookie)
        {
            curl_setopt($ch,CURLOPT_COOKIEJAR,$this->_cookiefile);
        }
        else
        {
            curl_setopt($ch, CURLOPT_COOKIEFILE, $this->_cookiefile);
        }
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $tmpInfo = curl_exec($ch); // 执行操作
		var_dump($tmpInfo);
        if(curl_errno($ch))
        {
           $tmpInfo=‘Errno‘.curl_error($ch);//捕抓异常
        }
        curl_close($ch); // 关闭CURL会话
        return $tmpInfo;
    }
    /**
     * wx_mass::getCookie()
     * 
     * 获取cookie,检测cookie有效性
     * 
     * @return void
     */
    private function getCookie()
    {
        //登录获取cookie及token
        $this->login();
    }
    private function randomFloat($min = 0, $max = 1)
    {
        return $min + mt_rand() / mt_getrandmax() * ($max - $min);
    }
}
$arr = array("account"=>"公众账户名称","password"=>"密码");
$aar = new wx_mass($arr);

 $abc = $aar -> getUserList();
 var_dump($abc);
?>