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QQ登录OAuth2.0 php接入种

热度:71   发布时间:2016-04-29 00:12:26.0
QQ登录OAuth2.0 php接入类

?

/**
?*
?* qq登录
?* @author http://www.heui.org
?*
?*/
class Oauth_qq
{
??private static $_instance;
??private $config = array();
?
??private function __construct($config)
??{
????$this->Oauth_qq($config);
??}
?
??public static function getInstance($config)
??{
????if(!isset(self::$_instance))
????{
??????$c=__CLASS__;
??????self::$_instance = new $c($config);
????}
????return self::$_instance;
??}
?
??private function Oauth_qq($config)
??{
????$this->config = $config;
????$_SESSION["appid"]??? = $this->config['appid'];
????$_SESSION["appkey"]?? = $this->config['appkey'];
????$_SESSION["callback"] = $this->config['callback'];
????$_SESSION["scope"] = "get_user_info,add_share,list_album,add_album,upload_pic,add_topic,add_one_blog,add_weibo";
??}
?
??function login()
??{
????$_SESSION['state'] = md5(uniqid(rand(), TRUE)); //CSRF protection
????$login_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id="
????. $_SESSION["appid"] . "&redirect_uri=" . urlencode($_SESSION["callback"])
????. "&state=" . $_SESSION['state']
????. "&scope=".$_SESSION["scope"];
????header("Location:$login_url");
??}
?
??function callback()
??{
????if($_REQUEST['state'] == $_SESSION['state']) //csrf
????{
??????$token_url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&"
??????. "client_id=" . $_SESSION["appid"]. "&redirect_uri=" . urlencode($_SESSION["callback"])
??????. "&client_secret=" . $_SESSION["appkey"]. "&code=" . $_REQUEST["code"];
?
??????$response = get_url_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>" . $msg->error_description;
??????????exit;
????????}
??????}
?
??????$params = array();
??????parse_str($response, $params);
?
??????$_SESSION["access_token"] = $params["access_token"];
????}
????else
????{
??????echo("The state does not match. You may be a victim of CSRF.");
????}
??}
?
??function get_openid()
??{
????$graph_url = "https://graph.qq.com/oauth2.0/me?access_token="
????. $_SESSION['access_token'];
?
????$str? = get_url_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;
????}
?
????//set openid to session
????return $_SESSION["openid"] = $user->openid;
??}
?
??function get_user_info()
??{
????$get_user_info = "https://graph.qq.com/user/get_user_info?"
????. "access_token=" . $_SESSION['access_token']
????. "&oauth_consumer_key=" . $_SESSION["appid"]
????. "&openid=" . $_SESSION["openid"]
????. "&format=json";
?
????$info = get_url_contents($get_user_info);
????$arr = json_decode($info, true);
?
????return $arr;
??}
?
??public function __clone()
??{
????trigger_error('Clone is not allow' ,E_USER_ERROR);
??}
?
}
?
/* 公用函数 */
if (!function_exists("do_post"))
{
??function do_post($url, $data)
??{
????$ch = curl_init();
????curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
????curl_setopt($ch, CURLOPT_POST, TRUE);
????curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
????curl_setopt($ch, CURLOPT_URL, $url);
????$ret = curl_exec($ch);
?
????curl_close($ch);
????return $ret;
??}
}
if (!function_exists("get_url_contents"))
{
??function get_url_contents($url)
??{
????if (ini_get("allow_url_fopen") == "1")
????return file_get_contents($url);
?
????$ch = curl_init();
????curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
????curl_setopt($ch, CURLOPT_URL, $url);
????$result =? curl_exec($ch);
????curl_close($ch);
?
????return $result;
??}
}

使用实例:

$config['appid']??? = '';
$config['appkey']?? = '';
$config['callback'] = '';
$o_qq = Oauth_qq::getInstance($config);
?
//then
$o_qq->login();
//or
$o_qq->callback();
$o_qq->get_openid();
$o_qq->get_user_info();

原文:http://www.heui.org/archives/454

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