WeixinOAuth.php
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<?php
/**
* @copyright Copyright(c) 2014 http://www.webzhu.com
* @breif
* @author Tiny
* @date 2014-12-16
* @version 0.6
*/
/**
* Weixin 第三方登录Oauth
*
* @author Tiny
* @package WeixinOAuth
*/
class WeixinOAuth extends OAuth
{
/**
* requestCodeURL 地址
*
* @access protected
* @var string
*/
protected $requestCodeURL = 'https://open.weixin.qq.com/connect/qrconnect';
/**
* access_token的URL地址
*
* @access protected
* @var string
*/
protected $accessTokenURL = 'https://api.weixin.qq.com/sns/oauth2/access_token';
/**
* request_code的额外参数,URL查询字符串格式
*
* @access protected
* @var string
*/
protected $authorize = 'scope=snsapi_login';
/**
* API根路径URL
*
* @access protected
* @var string
*/
protected $apiBase = 'https://api.weixin.qq.com/';
public function getRequestCodeURL(){
//Oauth 标准参数
$params = array(
'appid' => $this->appKey,
'redirect_uri' => $this->callBack,
'response_type' => $this->responseType,
);
//在微信里
if(strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false){
if(class_exists("WeChat")){
$obj = new WeChat();
$params['appid'] = $obj->getAppID();
$this->appKey = $obj->getAppID();
$this->requestCodeURL = 'https://open.weixin.qq.com/connect/oauth2/authorize';
$this->authorize = 'scope=snsapi_userinfo';
}
}
//获取额外参数
if($this->authorize){
parse_str($this->authorize, $_param);
if(is_array($_param)){
$params = array_merge($params, $_param);
} else {
throw new Exception('authorize配置不正确！');
}
}
return $this->requestCodeURL . '?' . http_build_query($params);
}
/**
* 组装接口调用参数 并调用接口
*
* @access protected
* @param mixed $api 第三方开方的API
* @param string $param 请求参数
* @param string $method 请求的方式 get/post
* @param bool $multi
* @return mixed
*/
public function call($api, $param = '', $method = 'GET', $multi = false){
$params = array(
'access_token' => $this->token['access_token'],
'openid' => $this->openid(),
'lang' => 'zh_CN'
);
$data = $this->http($this->url($api), $this->param($params, $param), $method);
return json_decode($data, true);
}
public function getAccessToken($code, $extend = null){
$params = array(
'appid' => $this->appKey,
'secret' => $this->appSecret,
'grant_type' => $this->grantType,
'code' => $code
);
if(strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false){
$obj = new WeChat();
$params['appid'] = $obj->getAppID();
$this->appKey = $obj->getAppID();
$params['secret'] = $obj->getSecret();
$this->appSecret = $obj->getSecret();
}
$data = $this->http($this->accessTokenURL, $params, 'post');
$this->token = $this->parsetoken($data, $extend);
return $this->token;
}
/**
* 解析access_token方法请求后的返回值
*
* @access protected
* @param mixed $result token返回值
* @param mixed $extend 扩展参数
* @return array
*/
protected function parsetoken($result, $extend){
$data = JSON::decode($result);
if($data['access_token'] && $data['expires_in']){
$this->token = $data;
$data['openid'] = $this->openid();
return $data;
} else
throw new Exception("获取微信 ACCESS_token 出错：{$result}");
}
/**
* 用户的openID
*
* @access public
* @return string
*/
public function openid(){
$data = $this->token;
if(isset($data['openid']))
return $data['openid'];
elseif($data['access_token']){
$data = $this->http($this->url('oauth2.0/me'), array('access_token' => $data['access_token']));
$data = json_decode(trim(substr($data, 9), " );\n"), true);
if(isset($data['openid']))
return $data['openid'];
else
throw new Exception("获取用户openid出错：{$data['error_description']}");
} else {
throw new Exception('没有获取到openid！');
}
}
/**
* 获取用户信息
*
* @access public
* @return array
*/
public function getUserInfo(){
$data = $this->call('sns/userinfo');
$userInfo = array();
if(!isset($data['ret']) || $data['ret'] == 0){
$userInfo['type'] = 'Weixin';
$userInfo['name'] = $data['nickname'];
$userInfo['open_name'] = $data['nickname'];
$userInfo['head'] = $data['headimgurl'];
return $userInfo;
} else {
throw_exception("获取微信用户信息失败：{$data['msg']}");
}
}
}