qcminecraft/Carbon-Forum-F

<?php
require(__DIR__ . '/URL.class.php');
class Oauth
{
    const VERSION = "2.0";
    const GET_AUTH_CODE_URL = "https://graph.qq.com/oauth2.0/authorize";
    const GET_ACCESS_TOKEN_URL = "https://graph.qq.com/oauth2.0/token";
    const GET_OPENID_URL = "https://graph.qq.com/oauth2.0/me";
    const GET_USER_INFO_URL = "https://graph.qq.com/user/get_user_info";
    
    private $AppKey;
    public $AccessToken = null;
    public $OpenID = null;
    public $NickName = null;
    public $AvatarURL = null;
    
    function __construct($AppKey)
    {
        $this->AppKey = $AppKey;
        //$this->GetAccessToken();
        //$this->GetOpenID();
    }
    
    
    public static function AuthorizeURL($WebsitePath, $AppID, $AppKey, $SendState)
    {
        //http://wiki.connect.qq.com/%E4%BD%BF%E7%94%A8authorization_code%E8%8E%B7%E5%8F%96access_token
        $RequestParameter = array(
            'response_type' => 'code',
            'client_id' => $AppKey,
            'redirect_uri' => $WebsitePath . '/oauth-' . $AppID,
            'state' => $SendState,
            'scope' => 'get_user_info,get_info'
        );
        return self::GET_AUTH_CODE_URL . '?' . http_build_query($RequestParameter);
    }
    
    
    public function GetAccessToken($WebsitePath, $AppID, $AppSecret, $Code)
    {
        
        // 请求参数列表
        $RequestParameter = array(
            "grant_type" => "authorization_code",
            "client_id" => $this->AppKey,
            "redirect_uri" => $WebsitePath . '/oauth-' . $AppID,
            "client_secret" => $AppSecret,
            "code" => $Code
        );
        // 构造请求access_token的url
        $TokenURL         = self::GET_ACCESS_TOKEN_URL . '?' . http_build_query($RequestParameter);
        $Response         = URL::Get($TokenURL);
        // Example:
        // access_token=FE04************************CCE2&expires_in=7776000&refresh_token=88E4************************BE14
        // 检测错误是否发生
        if (strpos($Response, "callback") !== false) {
            $LeftBracketPosition  = strpos($Response, "(");
            $RightBracketPosition = strrpos($Response, ")");
            $Response             = substr($Response, $LeftBracketPosition + 1, $RightBracketPosition - $LeftBracketPosition - 1);
            $Msg                  = json_decode($Response, true);
            //记录错误，这里没写Error Log模块
            $this->AccessToken    = null;
            return false;
        } else {
            $Params = array();
            parse_str($Response, $Params);
            $this->AccessToken = $Params["access_token"];
            return true;
        }
    }
    
    
    public function GetOpenID()
    {
        // 请求参数列表
        $RequestParameter = array(
            "access_token" => $this->AccessToken
        );
        
        $GraphURL = self::GET_OPENID_URL . '?' . http_build_query($RequestParameter);
        $Response = URL::Get($GraphURL);
        // 检测错误是否发生
        if (strpos($Response, "callback") !== false) {
            $LeftBracketPosition  = strpos($Response, "(");
            $RightBracketPosition = strrpos($Response, ")");
            $Response             = substr($Response, $LeftBracketPosition + 1, $RightBracketPosition - $LeftBracketPosition - 1);
        }
        // http://wiki.connect.qq.com/%E8%8E%B7%E5%8F%96%E7%94%A8%E6%88%B7openid_oauth2-0
        // Example:
        // callback( {"client_id":"YOUR_APPID","openid":"YOUR_OPENID"} );
        $UserInfo = json_decode($Response, true);
        if (isset($UserInfo['error'])) {
            //记录错误，这里没写Error Log模块
            // 记录openid
            $this->OpenID = null;
            return null;
        } else {
            // 记录openid
            $this->OpenID = $UserInfo['openid'];
            return $UserInfo['openid'];
        }
    }
    
    
    public function GetUserInfo()
    {
        // 请求参数列表
        $RequestParameter = array(
            "access_token" => $this->AccessToken,
            "oauth_consumer_key" => $this->AppKey,
            "openid" => $this->OpenID,
            "format" => "json"
        );
        
        $GraphURL = self::GET_USER_INFO_URL . '?' . http_build_query($RequestParameter);
        $Response = URL::Get($GraphURL);
        
        // http://wiki.connect.qq.com/get_user_info
        $UserInfo = json_decode($Response, true);
        if ($UserInfo['ret'] != 0) {
            //记录错误，这里没写Error Log模块
            return false;
        } else {
            // 储存昵称
            $this->NickName  = $UserInfo['nickname'];
            // 储存头像
            $this->AvatarURL = $UserInfo['figureurl_qq_2'];
            return true;
        }
    }
}