基于Thinkphp3.2的qq第三方oauth认证登录扩展类

基于Thinkphp3.2的qq第三方oauth认证登录扩展类，
由于腾讯oauth sdk写的太多，不能与thinkphp和好的结合，最终想法讲腾讯oauth sdk写成tp的扩展类
先看代码，将代码保存在/library/org/util/Qqconnect.class.php文件中
在__construct方法中你可以直接写你的app_id、app_key和回调地址
也可以根据自己的喜好，改一下代码传参或者写到配置文件。
调用方法：1. 在qq的登录按钮的方法中调用getAuthCode方法
例如：
$qqobj=new \Org\Util\Qqconnect();
$qqobj->getAuthCode();

2.在回调地址的方法中调用getUsrInfo方法
例如：
$qqobj=new \Org\Util\Qqconnect();
$result=$qqobj->getUsrInfo();
就可以了

3.getAuthCode方法中的参数scope根据自身需要添加值get_user_info,list_album,upload_pic,do_like。 // +----------------------------------------------------------------------
// | Copyright (c) 2015.
// +----------------------------------------------------------------------
// | Author: qiandutianxia
// +----------------------------------------------------------------------
namespace Org\Util;
/**
* qq第三方登录认证
*/
class Qqconnect {
private static $data;
//APP ID
private $app_id="";
//APP KEY
private $app_key="";
//回调地址
private $callBackUrl="";
//Authorization Code
private $code="";
//access Token
private $accessToken="";

public function __construct(){
$this->app_id="";
$this->app_key="";
$this->callBackUrl="";
//检查用户数据
if(empty($_SESSION['QC_userData'])){
self::$data = array();
}else{
self::$data = $_SESSION['QC_userData'];
}
}


//获取Authorization Code
public function getAuthCode(){
$url="https://graph.qq.com/oauth2.0/authorize";
$param['response_type']="code";
$param['client_id']=$this->app_id;
$param['redirect_uri']=$this->callBackUrl;
//-------生成唯一随机串防CSRF攻击
$state = md5(uniqid(rand(), TRUE));
$_SESSION['state']=$state;
$param['state']=$state;
$param['scope']="get_user_info";
$param =http_build_query($param,'','&');
$url=$url."?".$param;
header("Location:".$url);
}

//通过Authorization Code获取Access Token
private function getAccessToken(){
$url="https://graph.qq.com/oauth2.0/token";
$param['grant_type']="authorization_code";
$param['client_id']=$this->app_id;
$param['client_secret']=$this->app_key;
$param['code']=$this->code;
$param['redirect_uri']=$this->callBackUrl;
$param =http_build_query($param,'','&');
$url=$url."?".$param;
return $this->getUrl($url);
}
//获取openid
private function getOpenID(){
$rzt=$this->getAccessToken();
parse_str($rzt,$data);
$this->accessToken=$data['access_token'];
$url="https://graph.qq.com/oauth2.0/me";
$param['access_token']=$this->accessToken;
$param =http_build_query($param,'','&');
$url=$url."?".$param;
$response=$this->getUrl($url);
//--------检测错误是否发生
if(strpos($response, "callback") !== false){
$lpos = strpos($response, "(");
$rpos = strrpos($response, ")");
$response = substr($response, $lpos + 1, $rpos - $lpos -1);
}
$user = json_decode($response);
if(isset($user->error)){
exit("错误代码：100007");
}
return $user->openid;
}

//获取信息
public function getUsrInfo(){
if($_GET['state'] != $_SESSION['state']){
exit("错误代码：300001");
}
$this->code=$_GET['code'];
$openid=$this->getOpenID();
if(empty($openid)){
return false;
}
$url="https://graph.qq.com/user/get_user_info";
$param['access_token']=$this->accessToken;
$param['oauth_consumer_key']=$this->app_id;
$param['openid']=$openid;
$param =http_build_query($param,'','&');
$url=$url."?".$param;
$rzt=$this->getUrl($url);
return $rzt;
}
//CURL GET
private function getUrl($url){
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
if (!empty($options)){
curl_setopt_array($ch, $options);
}
$data = curl_exec($ch);
curl_close($ch);
return $data;
}


//CURL POST
private function postUrl($url,$post_data){
$ch = curl_init();
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
ob_start();
curl_exec($ch);
$result = ob_get_contents();
ob_end_clean();
return $result;
}
}

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