qq授权登录

namespace Home\Model;
use Think\Model;


class QqModel extends Model{
//回调地址
public $return_url;
public $app_id;
public $app_secret;
public function __construct(){
// if($_COOKIE['is_mobile'] == 1)
// $this->return_url = "http://".$_SERVER['HTTP_HOST']."/index.php?m=Mobile&c=LoginApi&a=callback&oauth=qq";
// else
    // $this->return_url = "http://".$_SERVER['HTTP_HOST']."/index.php?m=Home&c=User&a=callback&oauth=qq";
$this->return_url = "http://".$_SERVER['HTTP_HOST']."/index.php?s=Home/User/callback/oauth/qq";
// $this->return_url = "http://www.uwithm.com";
// $this->return_url = "http://www.uwithm.com";

$this->app_id = '1014******48';
$this->app_secret = '50a8d51d668*********679b8';




}
//构造要请求的参数数组，无需改动
public function login(){


$_SESSION['state'] = md5(uniqid(rand(), TRUE));
//拼接URL


$dialog_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id="
. $this->app_id . "&redirect_uri=" . urlencode($this->return_url) . "&state="
. $_SESSION['state'];

echo("");


exit;
}
        /**
         * QQ 登录返回  参考手册 http://wiki.connect.qq.com/%E5%BC%80%E5%8F%91%E6%94%BB%E7%95%A5_server-side
         * @return boolean
         */
public function respon(){


if($_REQUEST['state'] == $_SESSION['state'])
{
$code = $_REQUEST["code"];
//拼接URL
$token_url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&"
. "client_id=" . $this->app_id . "&redirect_uri=" . urlencode($this->return_url)
. "&client_secret=" . $this->app_secret . "&code=" . $code;


$response = $this->get_contents($token_url);
if (strpos($response, "callback") !== false)
{
$lpos = strpos($response, "(");
$rpos = strrpos($response, ")");
$response  = substr($response, $lpos + 1, $rpos - $lpos -1);
$msg = json_decode($response);
if (isset($msg->error))
{
echo "

error:

" . $msg->error;
echo "

msg  :

" . $msg->error_description;
exit;
}
}


//Step3：使用Access Token来获取用户的OpenID
$params = array();
parse_str($response, $params);


$graph_url = "https://graph.qq.com/oauth2.0/me?access_token="
.$params['access_token'];


$str  = $this->get_contents($graph_url);
if (strpos($str, "callback") !== false)
{
$lpos = strpos($str, "(");
$rpos = strrpos($str, ")");
$str  = substr($str, $lpos + 1, $rpos - $lpos -1);
}
$user = json_decode($str);
if (isset($user->error))
{
echo "

error:

" . $user->error;
echo "

msg  :

" . $user->error_description;
exit;
}
//获取到openid
$openid = $user->openid;
                        // Step5：使用Access Token以及OpenID来访问和修改用户数据
                        $user_info_url = "https://graph.qq.com/user/get_user_info?access_token={$params['access_token']}&oauth_consumer_key={$this->app_id}&openid=$openid";
                        $res  = $this->get_contents($user_info_url);
                        $res = json_decode($res,true);                                                
$_SESSION['state'] = null; // 验证SESSION
return array(
'openid'=>$openid,// QQ openid
'oauth'=>'qq',
'nickname'=>$res['nickname'],
                                'head_pic'=>$res['figureurl_qq_2'],
);
}else{
return false;
}
}




public function get_contents($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_URL, $url);
$response =  curl_exec($ch);
curl_close($ch);


//-------请求为空
if(empty($response)){
exit("50001");
}


return $response;
}


}




?>