PHP version of QQ Internet OAuth sample code sharing, oauth sample code_PHP tutorial

PHP version QQ Internet OAuth sample code sharing, oauth sample code

Due to the popularity of domestic QQ users, major websites now provide QQ login ports as much as possible, as follows Let’s take a look at the php version for your reference

/**
 * QQ互联 oauth
 * @author dyllen
 *
 */
class Oauth
{
  //取Authorization Code Url
  const PC_CODE_URL = 'https://graph.qq.com/oauth2.0/authorize';
   
  //取Access Token Url
  const PC_ACCESS_TOKEN_URL = 'https://graph.qq.com/oauth2.0/token';
   
  //取用户 Open Id Url
  const OPEN_ID_URL = 'https://graph.qq.com/oauth2.0/me';
   
  //用户授权之后的回调地址
  public $redirectUri = null;
   
  // App Id
  public $appid = null;
   
  //App Key
  public $appKey = null;
   
  //授权列表
  //字符串，多个用逗号隔开
  public $scope = null;
   
  //授权code
  public $code = null;
   
  //续期access token的凭证
  public $refreshToken = null;
   
  //access token
  public $accessToken = null;
   
  //access token 有效期，单位秒
  public $expiresIn = null;
   
  //state
  public $state = null;
   
  public $openid = null;
   
  //construct
  public function __construct($config=[])
  {
    foreach($config as $key => $value) {
      $this->$key = $value;
    }
  }
   
  /**
   * 得到获取Code的url
   * @throws \InvalidArgumentException
   * @return string
   */
  public function codeUrl()
  {
    if (!$this->redirectUri) {
      throw new \Exception('parameter $redirectUri must be set.');
    }
    $query = [
        'response_type' => 'code',
        'client_id' => $this->appid,
        'redirect_uri' => $this->redirectUri,
        'state' => $this->getState(),
        'scope' => $this->scope,
    ];
   
    return self::PC_CODE_URL . '?' . http_build_query($query);
  }
   
  /**
   * 取access token
   * @throws Exception
   * @return boolean
   */
  public function getAccessToken()
  {
    $params = [
        'grant_type' => 'authorization_code',
        'client_id' => $this->appid,
        'client_secret' => $this->appKey,
        'code' => $this->code,
        'redirect_uri' => $this->redirectUri,
    ];
   
    $url = self::PC_ACCESS_TOKEN_URL . '?' . http_build_query($params);
    $content = $this->getUrl($url);
    parse_str($content, $res);
    if ( !isset($res['access_token']) ) {
      $this->thrwoError($content);
    }
   
    $this->accessToken = $res['access_token'];
    $this->expiresIn = $res['expires_in'];
    $this->refreshToken = $res['refresh_token'];
   
    return true;
  }
   
  /**
   * 刷新access token
   * @throws Exception
   * @return boolean
   */
  public function refreshToken()
  {
    $params = [
        'grant_type' => 'refresh_token',
        'client_id' => $this->appid,
        'client_secret' => $this->appKey,
        'refresh_token' => $this->refreshToken,
    ];
   
    $url = self::PC_ACCESS_TOKEN_URL . '?' . http_build_query($params);
    $content = $this->getUrl($url);
    parse_str($content, $res);
    if ( !isset($res['access_token']) ) {
      $this->thrwoError($content);
    }
   
    $this->accessToken = $res['access_token'];
    $this->expiresIn = $res['expires_in'];
    $this->refreshToken = $res['refresh_token'];
   
    return true;
  }
   
  /**
   * 取用户open id
   * @return string
   */
  public function getOpenid()
  {
    $params = [
        'access_token' => $this->accessToken,
    ];
   
    $url = self::OPEN_ID_URL . '?' . http_build_query($params);
       
    $this->openid = $this->parseOpenid( $this->getUrl($url) );
     
    return $this->openid;
  }
   
  /**
   * get方式取url内容
   * @param string $url
   * @return mixed
   */
  public function getUrl($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);
   
    return $response;
  }
   
  /**
   * post方式取url内容
   * @param string $url
   * @param array $keysArr
   * @param number $flag
   * @return mixed
   */
  public function postUrl($url, $keysArr, $flag = 0)
  {
    $ch = curl_init();
    if(! $flag) curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    curl_setopt($ch, CURLOPT_POST, TRUE);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $keysArr);
    curl_setopt($ch, CURLOPT_URL, $url);
    $ret = curl_exec($ch);
   
    curl_close($ch);
    return $ret;
  }
   
   
  /**
   * 取state
   * @return string
   */
  protected function getState()
  {
    $this->state = md5(uniqid(rand(), true));
    //state暂存在缓存里面
    //自己定义
        //。。。。。。。。。
   
    return $this->state;
  }
   
  /**
   * 验证state
   * @return boolean
   */
  protected function verifyState()
  {
    //。。。。。。。
  }
   
  /**
   * 抛出异常
   * @param string $error
   * @throws \Exception
   */
  protected function thrwoError($error)
  {
    $subError = substr($error, strpos($error, "{"));
    $subError = strstr($subError, "}", true) . "}";
    $error = json_decode($subError, true);
     
    throw new \Exception($error['error_description'], (int)$error['error']);
  }
   
  /**
   * 从获取openid接口的返回数据中解析出openid
   * @param string $str
   * @return string
   */
  protected function parseOpenid($str)
  {
    $subStr = substr($str, strpos($str, "{"));
    $subStr = strstr($subStr, "}", true) . "}";
    $strArr = json_decode($subStr, true);
    if(!isset($strArr['openid'])) {
      $this->thrwoError($str);
    }
     
    return $strArr['openid'];
  }
}

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