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<?php
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/**
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* @copyright (C)2016-2099 Hnaoyun Inc.
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* @author XingMeng
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* @email hnxsh@foxmail.com
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* @date 2019年05月27日
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* 微信网页授权
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*/
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namespace core\weixin;
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use core\basic\Config;
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class WxJsSDK
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{
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protected $appid;
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protected $secret;
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protected $noncestr;
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public function __construct()
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{
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$this->appid = Config::get('weixin_appid');
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$this->secret = Config::get('weixin_secret');
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$this->noncestr = get_uniqid();
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}
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// 获取JsAPI签名授权信息
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public function getAuthInfo()
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{
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// 签名数据数组
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$data['jsapi_ticket'] = $this->getJsapiTicket();
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$data['noncestr'] = $this->noncestr;
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$data['timestamp'] = time();
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$data['url'] = get_current_url();
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$signature = sha1(urldecode(http_build_query($data)));
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// 返回数据数组
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$result['appid'] = $this->appid;
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$result['timestamp'] = $data['timestamp'];
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$result['noncestr'] = $this->noncestr;
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$result['signature'] = $signature;
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return $result;
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}
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// 获取访问Ticket
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private function getJsapiTicket()
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{
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if (! $this->checkJsapiTicket()) {
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$access_token = WxAccessToken::get();
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$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=$access_token&type=jsapi";
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$result = json_decode(get_url($url));
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if (isset($result->errcode) && $result->errcode) {
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error('获取微信JsapiTicket发生错误：' . $result->errmsg . '(' . $result->errcode . ')');
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return false;
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} else {
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$data['weixin_jsapi_ticket'] = $result->ticket;
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$data['weixin_jsapi_ticket_expires_in'] = $result->expires_in;
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$data['weixin_jsapi_ticket_timestamp'] = time();
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Config::set(sha1('weixin_jsapi_ticket'), $data); // 缓存数据
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return $result->ticket;
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}
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} else {
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return Config::get('weixin_jsapi_ticket');
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}
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}
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// 检查Ticket是否可用
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private function checkJsapiTicket()
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{
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Config::assign(RUN_PATH . '/config/' . sha1('weixin_jsapi_ticket') . '.php');
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if (Config::get('weixin_jsapi_ticket') && time() - Config::get('weixin_jsapi_ticket_timestamp') < Config::get('weixin_jsapi_ticket_expires_in')) {
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return true;
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} else {
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return false;
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}
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}
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}
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