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微信扫描二维码登录网站代码示例

发表于: 2014-11-07   作者:zzc1684   来源:转载   浏览:
摘要: 用户通过扫描网页提供的二维码实现登陆信息获取,大家参考使用吧 请先下载  snoopy 类   <?php /** * 微信公众平台PHP-SDK * Wechatauth为非官方微信登陆API * 用户通过扫描网页提供的二维码实现登陆信息获取 * 主要实现如下功能: * get_login_code() 获取登陆授权码, 通过授权码才能获取二

用户通过扫描网页提供的二维码实现登陆信息获取,大家参考使用吧

请先下载  snoopy 类

 

<?php
/**
*  微信公众平台PHP-SDK
*  Wechatauth为非官方微信登陆API
*  用户通过扫描网页提供的二维码实现登陆信息获取
*  主要实现如下功能:
*  get_login_code() 获取登陆授权码, 通过授权码才能获取二维码
*  get_code_image($code='') 将上面获取的授权码转换为图片二维码
*  verify_code() 鉴定是否登陆成功,返回200为最终授权成功.
*  get_login_cookie() 鉴定成功后调用此方法即可获取用户基本信息
*  sendNews($account,$title,$summary,$content,$pic,$srcurl='') 向一个微信账户发送图文信息
*  get_avatar($url) 获取用户头像图片数据
*  @author dodge <dodgepudding@gmail.com>
*  @link https://github.com/dodgepudding/wechat-php-sdk
*  @version 1.1
*  
*/
include "snoopy.class.php";
class Wechatauth
{
      private $cookie;
      private $_cookiename;
      private $_cookieexpired = 3600;
      private $_account = 'test';
      private $_datapath = './data/cookie_';
      private $debug;
      private $_logcallback;
      public $login_user; //当前登陆用户, 调用get_login_info后获取

      public function __construct($options)
      {
        $this->_account = isset($options['account'])?$options['account']:'';
        $this->_datapath = isset($options['datapath'])?$options['datapath']:$this->_datapath;
        $this->debug = isset($options['debug'])?$options['debug']:false;
        $this->_logcallback = isset($options['logcallback'])?$options['logcallback']:false;
        $this->_cookiename = $this->_datapath.$this->_account;
        $this->getCookie($this->_cookiename);
      }
      /**
       * 把cookie写入缓存
       * @param  string $filename 缓存文件名
       * @param  string $content  文件内容
       * @return bool
       */
      public function saveCookie($filename,$content){
              return file_put_contents($filename,$content);
      }  
       /**
       * 读取cookie缓存内容
       * @param  string $filename 缓存文件名
       * @return string cookie
       */
      public function getCookie($filename){
        if (file_exists($filename)) {
                $mtime = filemtime($filename);
                if ($mtime<time()-$this->_cookieexpired) return false;
                $data = file_get_contents($filename);
                if ($data) $this->cookie = $data;
        } 
        return $this->cookie;
      }

      /*
       * 删除cookie
       */
      public function deleteCookie($filename) {
          $this->cookie = '';
          @unlink($filename);
          return true;
      }

      private function log($log){
          if ($this->debug && function_exists($this->_logcallback)) {
                  if (is_array($log)) $log = print_r($log,true);
                  return call_user_func($this->_logcallback,$log);
          }
      }

      /**
       * 获取登陆二维码对应的授权码
       */
      public function get_login_code(){
        if ($this->_logincode) return $this->_logincode;
        $t = time().strval(mt_rand(100,999));
        $codeurl = 'https://login.weixin.qq.com/jslogin?appid=wx782c26e4c19acffb&redirect_uri
=https%3A%2F%2Fwx.qq.com%2Fcgi-bin%2Fmmwebwx-bin%2Fwebwxnewloginpage&fun
=new&lang=zh_CN&_='.$t;
        $send_snoopy = new Snoopy; 
        $send_snoopy->fetch($codeurl);
        $result = $send_snoopy->results;
        if ($result) {
          preg_match("/window.QRLogin.uuid\s+=\s+\"([^\"]+)\"/",$result,$matches);
          if(count($matches)>1) {
            $this->_logincode = $matches[1];
            $_SESSION['login_step'] = 0;
            return $this->_logincode;
          }
        }
        return $result;
      } 
       /**
       * 通过授权码获取对应的二维码图片地址
       * @param string $code
       * @return string image url
       */
      public function get_code_image($code=''){
              if ($code=='') $code = $this->_logincode;
              if (!$code) return false;
              return 'http://login.weixin.qq.com/qrcode/'.$this->_logincode.'?t=webwx';
      }

      /**
       * 设置二维码对应的授权码
       * @param string $code
       * @return class $this
       */
      public  function set_login_code($code) {
              $this->_logincode = $code;
              return $this;
      }

      /**
       * 二维码登陆验证
       *
       * @return status:
       * >=400: invaild code; 408: not auth and wait, 400,401: not valid or expired
       * 201: just scaned but not confirm
       * 200: confirm then you can get user info
       */
      public function verify_code() {
        if (!$this->_logincode) return false;
        $t = time().strval(mt_rand(100,999)); 
           $url = 'https://login.weixin.qq.com/cgi-bin/mmwebwx-bin/login
?uuid='.$this->_logincode.'&tip=1&_='.$t;
          $send_snoopy = new Snoopy; 
          $send_snoopy->referer = "https://wx.qq.com/";
          $send_snoopy->fetch($url);
          $result = $send_snoopy->results;
          $this->log('step1:'.$result);
          if ($result) {
            preg_match("/window\.code=(\d+)/",$result,$matches);
            if(count($matches)>1) {
              $status = intval($matches[1]);
              if ($status==201) $_SESSION['login_step'] = 1;
              if ($status==200) {
                preg_match("/ticket=([0-9a-z-_]+)&lang=zh_CN&scan=(\d+)/",$result,$matches);
                $this->log('step2:'.print_r($matches,true));
                if (count($matches)>1) {
                  $ticket = $matches[1];
                  $scan = $matches[2];
                  $loginurl = 'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage
?ticket='.$ticket.'&lang=zh_CN&scan='.$scan.'&fun=new';
                  $send_snoopy = new Snoopy; 
                  $send_snoopy->referer = "https://wx.qq.com/";
                  $send_snoopy->fetch($loginurl);
                  $this->log('step3:'.print_r($send_snoopy->headers,true));
                  foreach ($send_snoopy->headers as $key => $value) {
                    $value = trim($value);
                    if(strpos($value,'Set-Cookie: ') !== false){
                      $tmp = str_replace("Set-Cookie: ","",$value);
                      $tmp = str_replace("Path=/","",$tmp);
                      $tmp = str_replace("Domain=.qq.com; ","",$tmp);
                      $cookie.=$tmp;
                    }
                  }
                  $cookie .="Domain=.qq.com;";
                  $this->cookie = $cookie;
                  $this->saveCookie($this->_cookiename,$this->cookie);
                }
              }
              return $status;
            }
          }
        return false;
      }

      /**
       * 获取登陆的cookie
       *
       * @param bool $is_array 是否以数值方式返回,默认否,返回字符串
       * @return string|array
       */
      public function get_login_cookie($is_array = false){
        if (!$is_array)        return $this->cookie;
        $c_arr = explode(';',$this->cookie);
        $cookie = array();
        foreach($c_arr as $item) {
          $kitem = explode('=',trim($item));
          if (count($kitem)>1) {
            $key = trim($kitem[0]);
            $val = trim($kitem[1]);
            if (!empty($val)) $cookie[$key] = $val;
          }
        }
        return $cookie;
      }

      /**
       *          授权登陆后获取用户登陆信息
       */
      public function get_login_info(){
        if (!$this->cookie) return false;
        $t = time().strval(mt_rand(100,999));
        $send_snoopy = new Snoopy; 
        $submit = 'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxinit?r='.$t;
        $send_snoopy->rawheaders['Cookie']= $this->cookie;
        $send_snoopy->referer = "https://wx.qq.com/";
        $send_snoopy->submit($submit,array());
        $this->log('login_info:'.$send_snoopy->results);
        $result = json_decode($send_snoopy->results,true);
        if ($result['BaseResponse']['Ret']<0) return false;
        $this->_login_user = $result['User'];
        return $result;
      }

      /**
       *  获取头像
       *  @param string $url 传入从用户信息接口获取到的头像地址
       */
      public function get_avatar($url) {
          if (!$this->cookie) return false;
          if (strpos($url, 'http')===false) {
                  $url = 'http://wx.qq.com'.$url;
          }
          $send_snoopy = new Snoopy; 
          $send_snoopy->rawheaders['Cookie']= $this->cookie;
          $send_snoopy->referer = "https://wx.qq.com/";
          $send_snoopy->fetch($url);
          $result = $send_snoopy->results;
          if ($result) 
                  return $result;
          else
                  return false;
      }

      /**
       * 登出当前登陆用户
       */
      public function logout(){
        if (!$this->cookie) return false;
        preg_match("/wxuin=(\w+);/",$this->cookie,$matches);
        if (count($matches)>1) $uid = $matches[1];
        preg_match("/wxsid=(\w+);/",$this->cookie,$matches);
        if (count($matches)>1) $sid = $matches[1];
        $this->log('logout: uid='.$uid.';sid='.$sid);
        $send_snoopy = new Snoopy; 
        $submit = 'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxlogout?redirect=1&type=1';
        $send_snoopy->rawheaders['Cookie']= $this->cookie;
        $send_snoopy->referer = "https://wx.qq.com/";
        $send_snoopy->submit($submit,array('uin'=>$uid,'sid'=>$sid));
        $this->deleteCookie($this->_cookiename);
        return true;
      }
}

 

 

 

微信扫描二维码登录网站代码示例

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