123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149 |
- <?php
- /**
- * Created by PhpStorm.
- * User: Administrator
- * Date: 2017/3/15 0015
- * Time: 15:18
- */
- class WechatUtil
- {
- private $appId;
- private $appSecret;
- public function __construct($appId,$appSecret) {
- $this->appId = $appId;
- $this->appSecret = $appSecret;
- }
- public function getSignPackage() {
- $jsapiTicket = $this->getJsApiTicket();
- // 注意 URL 一定要动态获取,不能 hardcode.
- $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
- $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
- $timestamp = time();
- $nonceStr = $this->createNonceStr();
- // 这里参数的顺序要按照 key 值 ASCII 码升序排序
- $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
- $signature = sha1($string);
- $signPackage = array(
- "appId" => $this->appId,
- "nonceStr" => $nonceStr,
- "timestamp" => $timestamp,
- "url" => $url,
- "signature" => $signature,
- "rawString" => $string
- );
- return $signPackage;
- }
- private function createNonceStr($length = 16) {
- $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
- $str = "";
- for ($i = 0; $i < $length; $i++) {
- $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
- }
- return $str;
- }
- private function getJsApiTicket() {
- // jsapi_ticket 应该全局存储与更新,以下代码以写入到文件中做示例
- $key = 'ACCESSTOKEN:'.$this->appId;
- $data = '';
- //判断指定键是否存在
- if(oo::commonOprRedis('common')->exists($key)){
- //根据键名获取键值
- $data = json_decode(oo::commonOprRedis('common')->get($key));
- }
- if(!isset($data->expire_time) || !isset($data->jsapi_ticket)) {
- $data = json_decode('{"jsapi_ticket":"","expire_time":0}');
- }
- if ($data->expire_time < time()) {
- $accessToken = $this->getAccessToken();
- // 如果是企业号用以下 URL 获取 ticket
- // $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";
- $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
- $res = json_decode($this->httpGet($url));
- $ticket = $res->ticket;
- if ($ticket) {
- $data->expire_time = time() + 7000;
- $data->jsapi_ticket = $ticket;
- //将access_token存储到Redis中
- oo::commonOprRedis('common')->set($key, json_encode($data));
- }
- } else {
- $ticket = $data->jsapi_ticket;
- }
- return $ticket;
- }
- public function getAccessToken() {
- // access_token 应该全局存储与更新,以下代码以写入到文件中做示例
- $key = 'ACCESSTOKEN:'.$this->appId;
- $data = '';
- //判断指定键是否存在
- if(oo::commonOprRedis('common')->exists($key)){
- //根据键名获取键值
- $data = json_decode(oo::commonOprRedis('common')->get($key));
- }
- if(!isset($data->access_token) || !isset($data->expire_time)) {
- $data = json_decode('{"access_token":"","expire_time":0}');
- }
- if ($data->expire_time < time()) {
- oo::logs()->debug3('####expire.appId:'.$this->appId, 'wechatutil.php');
- // 如果是企业号用以下URL获取access_token
- // $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";
- $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
- $res = json_decode($this->httpGet($url));
- $access_token = $res->access_token;
- if ($access_token) {
- $data->expire_time = time() + 7000;
- $data->access_token = $access_token;
- //将access_token存储到Redis中
- oo::commonOprRedis('common')->set($key, json_encode($data));
- }
- } else {
- $access_token = $data->access_token;
- }
- return $access_token;
- }
- private function httpGet($url) {
- $curl = curl_init();
- curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
- curl_setopt($curl, CURLOPT_TIMEOUT, 500);
- // 为保证第三方服务器与微信服务器之间数据传输的安全性,所有微信接口采用https方式调用,必须使用下面2行代码打开ssl安全校验。
- // 如果在部署过程中代码在此处验证失败,请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。
- curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
- curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
- curl_setopt($curl, CURLOPT_URL, $url);
- $res = curl_exec($curl);
- curl_close($curl);
- return $res;
- }
- private function get_php_file($filename) {
- return trim(substr(file_get_contents($filename, true), 15));
- }
- private function set_php_file($filename, $content) {
- $fp = fopen($filename, "w");
- fwrite($fp, "<?php exit();?>" . $content);
- fclose($fp);
- }
- }
|