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83 lines
2.8 KiB
83 lines
2.8 KiB
<?php
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// +----------------------------------------------------------------------
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// | WeChatDeveloper
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// +----------------------------------------------------------------------
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// | 版权所有 2014~2018 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
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// +----------------------------------------------------------------------
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// | 官方网站: http://think.ctolog.com
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// +----------------------------------------------------------------------
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// | 开源协议 ( https://mit-license.org )
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// +----------------------------------------------------------------------
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// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
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// +----------------------------------------------------------------------
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namespace WeMini;
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use WeChat\Contracts\BasicWeChat;
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use WeChat\Contracts\Tools;
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use WeChat\Exceptions\InvalidDecryptException;
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use WeChat\Exceptions\InvalidResponseException;
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/**
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* 数据加密处理
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* Class Crypt
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* @package WeMini
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*/
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class Crypt extends BasicWeChat
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{
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/**
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* 数据签名校验
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* @param string $iv
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* @param string $sessionKey
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* @param string $encryptedData
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* @return bool
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*/
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public function decode($iv, $sessionKey, $encryptedData)
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{
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require_once __DIR__ . DIRECTORY_SEPARATOR . 'crypt' . DIRECTORY_SEPARATOR . 'wxBizDataCrypt.php';
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$pc = new \WXBizDataCrypt($this->config->get('appid'), $sessionKey);
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$errCode = $pc->decryptData($encryptedData, $iv, $data);
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if ($errCode == 0) {
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return json_decode($data, true);
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}
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return false;
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}
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/**
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* 登录凭证校验
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* @param string $code 登录时获取的 code
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* @return array
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*/
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public function session($code)
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{
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$appid = $this->config->get('appid');
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$secret = $this->config->get('appsecret');
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$url = "https://api.weixin.qq.com/sns/jscode2session?appid={$appid}&secret={$secret}&js_code={$code}&grant_type=authorization_code";
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return json_decode(Tools::get($url), true);
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}
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/**
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* 换取用户信息
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* @param string $code 用户登录凭证（有效期五分钟）
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* @param string $iv 加密算法的初始向量
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* @param string $encryptedData 加密数据( encryptedData )
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* @return array
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* @throws InvalidDecryptException
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* @throws InvalidResponseException
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*/
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public function userInfo($code, $iv, $encryptedData)
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{
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$result = $this->session($code);
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if (empty($result['session_key'])) {
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throw new InvalidResponseException('Code 换取 SessionKey 失败', 403);
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}
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$userinfo = $this->decode($iv, $result['session_key'], $encryptedData);
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if (empty($userinfo)) {
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throw new InvalidDecryptException('用户信息解析失败', 403);
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}
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return array_merge($result, $userinfo);
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}
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}
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