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/** * QQ互联 oauth * @author dyllen * */class Oauth{//取Authorization Code Urlconst PC_CODE_URL = "https://graph.qq.com/oauth2.0/authorize"; //取Access Token Urlconst PC_ACCESS_TOKEN_URL = "https://graph.qq.com/oauth2.0/token"; //取用户 Open Id Urlconst 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 Idpublic $appid = null; //App Keypublic $appKey = null; //授权列表//字符串，多个用逗号隔开public $scope = null; //授权codepublic $code = null; //续期access token的凭证public $refreshToken = null; //access tokenpublic $accessToken = null; //access token 有效期，单位秒public $expiresIn = null; //statepublic $state = null; public $openid = null; //constructpublic function __construct（$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"];}}