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<?php |
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/** |
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* 网站应用微信登录开发 https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list&t=resource/res_list&verify=1&id=open1419316505&token= |
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* 1.PC登录:微信开放平台创建'网站应用' |
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* 2.Mobile登录:微信公众号(服务号/企业号) |
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* 3.APP登录:微信开放平台创建'移动应用' |
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* |
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* 注: scope值 |
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* 1、以snsapi_base为scope发起的网页授权,是用来获取进入页面的用户的openid的,并且是静默授权并自动跳转到回调页的。用户感知的就是直接进入了回调页(往往是业务页面) |
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* 2、以snsapi_userinfo为scope发起的网页授权,是用来获取用户的基本信息的。但这种授权需要用户手动同意,并且由于用户同意过,所以无须关注,就可在授权后获取该用户的基本信息。(H5页面微信授权获取用户,注册成为用户id,可以做点赞关注等功能) |
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* 3、用户管理类接口中的“获取用户基本信息接口”,是在用户和公众号产生消息交互或关注后事件推送后,才能根据用户OpenID来获取用户基本信息。这个接口,包括其他微信接口,都是需要该用户(即openid)关注了公众号后,才能调用成功的。 |
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* 如想打通unionid的话需要将公众号绑定到同一个微信开放平台 |
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*/ |
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namespace tinymeng\OAuth2\Gateways; |
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use tinymeng\OAuth2\Connector\Gateway; |
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use tinymeng\OAuth2\Exception\OAuthException; |
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use tinymeng\OAuth2\Helper\ConstCode; |
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/** |
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* Class Wechat |
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* @package tinymeng\OAuth2\Gateways |
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* @Author: TinyMeng <[email protected]> |
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* @Created: 2018/11/9 |
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*/ |
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class Wechat extends Gateway |
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{ |
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const API_BASE = 'https://api.weixin.qq.com/sns/'; |
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protected $AuthorizeURL = 'https://open.weixin.qq.com/connect/qrconnect'; |
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protected $AccessTokenURL = 'https://api.weixin.qq.com/sns/oauth2/access_token'; |
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protected $jsCode2Session = 'https://api.weixin.qq.com/sns/jscode2session'; |
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/** |
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* Description: 得到跳转地址 |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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* @return string |
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*/ |
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public function getRedirectUrl() |
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{ |
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//存储state |
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$this->saveState(); |
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//获取代理链接 |
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if(isset($this->config['proxy_url'])){ |
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return $this->getProxyURL(); |
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} |
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//登录参数 |
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$this->switchAccessTokenURL(); |
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$params = [ |
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'appid' => $this->config['app_id'], |
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'redirect_uri' => $this->config['callback'], |
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'response_type' => $this->config['response_type'], |
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'scope' => $this->config['scope'], |
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'state' => $this->config['state'], |
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]; |
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return $this->AuthorizeURL . '?' . http_build_query($params) . '#wechat_redirect'; |
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} |
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/** |
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* Description: 获取中转代理地址 |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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* @return string |
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*/ |
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public function getProxyURL() |
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{ |
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$params = [ |
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'appid' => $this->config['app_id'], |
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'response_type' => $this->config['response_type'], |
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'scope' => $this->config['scope'], |
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'state' => $this->config['state'], |
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'redirect_uri' => $this->config['callback'], |
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]; |
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return $this->config['proxy_url'] . '?' . http_build_query($params); |
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} |
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/** |
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* Description: 获取当前授权用户的openid标识 |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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* @return mixed |
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* @throws OAuthException |
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*/ |
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public function openid() |
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{ |
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$this->getToken(); |
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if (isset($this->token['openid'])) { |
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return $this->token['openid']; |
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} else { |
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throw new OAuthException('没有获取到微信用户ID!'); |
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} |
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} |
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/** |
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* Description: 获取格式化后的用户信息 |
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* @return array |
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* @throws OAuthException |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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*/ |
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public function userInfo() |
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{ |
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$result = $this->getUserInfo(); |
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$userInfo = [ |
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'open_id' => $this->openid(), |
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'union_id'=> $this->token['unionid'] ?? '', |
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'access_token'=> $this->token['access_token'] ?? '', |
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'channel' => ConstCode::TYPE_WECHAT, |
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'nickname'=> $result['nickname']??'', |
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'gender' => $result['sex'] ?? ConstCode::GENDER, |
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'avatar' => $result['headimgurl']??'', |
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'type' => ConstCode::getTypeConst(ConstCode::TYPE_WECHAT, $this->type), |
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// 额外信息 |
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'session_key' => $result['session_key']??'', |
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'native' => $result, |
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]; |
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return $userInfo; |
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} |
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/** |
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* Description: 获取原始接口返回的用户信息 |
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* @return array |
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* @throws OAuthException |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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*/ |
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public function getUserInfo() |
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{ |
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if($this->type == 'app'){//App登录 |
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if(!isset($_REQUEST['access_token']) ){ |
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throw new OAuthException("Wechat APP登录 需要传输access_token参数! "); |
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} |
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$this->token['access_token'] = $_REQUEST['access_token']; |
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}elseif ($this->type == 'applets'){ |
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//小程序 |
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return $this->applets(); |
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}else { |
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/** 获取token信息 */ |
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$this->getToken(); |
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} |
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/** 获取用户信息 */ |
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$params = [ |
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'access_token'=>$this->token['access_token'], |
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'openid'=>$this->openid(), |
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'lang'=>'zh_CN', |
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]; |
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$data = $this->get(self::API_BASE . 'userinfo', $params); |
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return json_decode($data, true); |
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} |
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/** |
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* @return array|mixed|null |
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* @throws OAuthException |
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*/ |
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public function applets(){ |
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/** 获取参数 */ |
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$params = $this->accessTokenParams(); |
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$params['js_code'] = $params['code']; |
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/** 获取access_token */ |
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$token = $this->get($this->jsCode2Session, $params); |
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/** 解析token值(子类实现此方法) */ |
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$this->token = $this->parseToken($token); |
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return $this->token; |
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} |
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/** |
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* Description: 根据第三方授权页面样式切换跳转地址 |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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*/ |
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private function switchAccessTokenURL() |
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{ |
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/** |
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* 第三方使用网站应用授权登录前请注意已获取相应网页授权作用域 |
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* Pc网站应用 https://open.weixin.qq.com/connect/qrconnect?appid=APPID&redirect_uri=REDIRECT_URI&response_type=code&scope=SCOPE&state=STATE#wechat_redirect |
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* 微信内网站应用: https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=REDIRECT_URL&response_type=code&scope=SCOPE&state=1#wechat_redirect |
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*/ |
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if ($this->display == 'mobile') { |
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$this->AuthorizeURL = 'https://open.weixin.qq.com/connect/oauth2/authorize'; |
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} else { |
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//微信扫码网页登录,只支持此scope |
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$this->config['scope'] = 'snsapi_login'; |
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} |
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} |
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/** |
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* Description: 重写 获取的AccessToken请求参数 |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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* @return array |
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*/ |
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protected function accessTokenParams() |
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{ |
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$params = [ |
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'appid' => $this->config['app_id'], |
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'secret' => $this->config['app_secret'], |
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'grant_type' => $this->config['grant_type'], |
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'code' => $this->getCode(), |
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]; |
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return $params; |
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} |
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/** |
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* Description: 解析access_token方法请求后的返回值 |
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* @author: JiaMeng <[email protected]> |
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* Updater: |
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* @param string $token 获取access_token的方法的返回值 |
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* @return mixed |
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* @throws OAuthException |
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*/ |
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protected function parseToken($token) |
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{ |
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$data = json_decode($token, true); |
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if (isset($data['access_token'])) { |
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return $data; |
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}elseif (isset($data['session_key'])){ |
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//小程序登录 |
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return $data; |
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} else { |
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throw new OAuthException("获取微信 ACCESS_TOKEN 出错:{$token}"); |
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} |
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} |
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/** |
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* 解密小程序 wx.getUserInfo() 敏感数据. |
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* @param string $encryptedData |
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* @param string $iv |
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* @param string $sessionKey |
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* @return array |
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*/ |
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public function descryptData($encryptedData, $iv, $sessionKey) |
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{ |
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if (24 != strlen($sessionKey)) |
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{ |
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throw new \InvalidArgumentException('sessionKey 格式错误'); |
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} |
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if (24 != strlen($iv)) |
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{ |
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throw new \InvalidArgumentException('iv 格式错误'); |
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} |
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$aesKey = base64_decode($sessionKey); |
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$aesIV = base64_decode($iv); |
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$aesCipher = base64_decode($encryptedData); |
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$result = openssl_decrypt($aesCipher, 'AES-128-CBC', $aesKey, 1, $aesIV); |
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if (!$result) |
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{ |
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throw new \InvalidArgumentException('解密失败'); |
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} |
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$dataObj = json_decode($result, true); |
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if (!$dataObj) |
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{ |
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throw new \InvalidArgumentException('反序列化数据失败'); |
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} |
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return $dataObj; |
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} |
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/** |
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* 刷新AccessToken续期 |
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* @param string $refreshToken |
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* @return bool |
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* @throws OAuthException |
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*/ |
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public function refreshToken($refreshToken) |
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{ |
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$params = [ |
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'appid' => $this->config['app_id'], |
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'grant_type' => 'refresh_token', |
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'refresh_token' => $refreshToken, |
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]; |
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$token = $this->get('https://api.weixin.qq.com/sns/oauth2/refresh_token', $params); |
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$token = $this->parseToken($token); |
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if (isset($token['access_token'])) { |
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$this->token = $token; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* 检验授权凭证AccessToken是否有效 |
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* @param string $accessToken |
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* @return bool |
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*/ |
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public function validateAccessToken($accessToken = null) |
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{ |
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try { |
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$accessToken = $accessToken ?? $this->token['access_token']; |
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$params = [ |
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'access_token' => $accessToken, |
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'openid' => $this->openid(), |
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]; |
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$result = $this->get(self::API_BASE . 'auth', $params); |
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$result = json_decode($result, true); |
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return isset($result['errcode']) && $result['errcode'] == 0; |
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} catch (\Exception $e) { |
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return false; |
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} |
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} |
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} |