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<?php

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("<script> top.location.href='" . $dialog_url . "'</script>");

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 "<h3>error:</h3>" . $msg->error;

echo "<h3>msg  :</h3>" . $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 "<h3>error:</h3>" . $user->error;

echo "<h3>msg  :</h3>" . $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;

}

}

?>

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