qcminecraft/Carbon-Forum-F

<?php
require(__DIR__ . '/URL.class.php');
// https://developer.github.com/v3/oauth/
class Oauth
{
    const VERSION = "2.0";
    const GET_AUTH_CODE_URL = "https://github.com/login/oauth/authorize";
    const GET_ACCESS_TOKEN_URL = "https://github.com/login/oauth/access_token";
    const GET_OPENID_URL = "https://api.github.com/user";
    const GET_USER_INFO_URL = "https://api.github.com/user";
    
    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)
    {
        // https://developer.github.com/v3/oauth_authorizations/
        $RequestParameter = array(
            'client_id' => $AppKey,
            'redirect_uri' => $WebsitePath . '/oauth-' . $AppID,
            'state' => $SendState,
            'scope' => ''
        );
        return self::GET_AUTH_CODE_URL . '?' . http_build_query($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
            // ,"state" => 
        );
        // 构造请求access_token的url
        $Response         = URL::Post(self::GET_ACCESS_TOKEN_URL, $RequestParameter);
        parse_str($Response, $Params);
        //var_dump($Params);
        // 检测错误是否发生
        if (empty($Params['access_token'])) {
            //记录错误，这里没写Error Log模块
            $this->AccessToken = null;
            return false;
        } else {
            $this->AccessToken = $Params["access_token"];
            return true;
        }
    }
    
    
    public function GetOpenID()
    {
        // 请求参数列表
        $RequestParameter = array(
            "access_token" => $this->AccessToken
        );
        $Response         = URL::Get(self::GET_OPENID_URL . '?' . http_build_query($RequestParameter));
        //var_dump(self::GET_OPENID_URL . '?' . http_build_query($RequestParameter));
        //var_dump($Response);
        // 检测错误是否发生
        $UserInfo         = json_decode($Response, true);
        if ($UserInfo === false || empty($UserInfo['id'])) {
            //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['id'];
            return $UserInfo['id'];
        }
    }
    
    
    public function GetUserInfo()
    {
        // 请求参数列表
        $RequestParameter = array(
            "access_token" => $this->AccessToken
        );
        $Response         = URL::Get(self::GET_USER_INFO_URL . '?' . http_build_query($RequestParameter));
        $UserInfo = json_decode($Response, true);
        if ($UserInfo === false || empty($UserInfo['id'])) {
            //记录错误，这里没写Error Log模块
            return false;
        } else {
            // 储存昵称
            $this->NickName  = $UserInfo['login'];
            // 储存头像
            $this->AvatarURL = $UserInfo['avatar_url'];
            return true;
        }
    }
}