118 行
3.5 KiB
PHP
可执行文件
118 行
3.5 KiB
PHP
可执行文件
<?php
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/**
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* App优化JSSDK
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*/
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namespace Util\Wx;
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class Jssdk
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{
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private $appid;
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private $token;//access_token
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private $url;
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public function __construct($options)
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{
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$this->appid = isset($options['appid']) ? $options['appid'] : '';
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$this->token = isset($options['token']) ? $options['token'] : '';
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$this->url = isset($options['url']) ? $options['url'] : '';
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}
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public function getSignPackage()
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{
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$appid = $this->appid;
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$token = $this->token;
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$url = $this->url;
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if (!$appid || !$token || !$url) {
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return FALSE;
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}
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//处理超链接#
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$ret = strpos($url, '#');
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if ($ret) {
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$url = substr($url, 0, $ret);
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}
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$url = trim($url);
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$jsapiTicket = $this->getJsApiTicket($token);
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$timestamp = time();
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$nonceStr = $this->createNonceStr();
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// 这里参数的顺序要按照 key 值 ASCII 码升序排序
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$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
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$signature = sha1($string);
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$signPackage = array(
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"appId" => $appid,
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"nonceStr" => $nonceStr,
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"timestamp" => $timestamp,
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"url" => $url,
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"signature" => $signature,
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"rawString" => $string
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);
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return $signPackage;
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}
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private function createNonceStr($length = 16)
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{
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$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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private function getJsApiTicket($accessToken)
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{
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// 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
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$data = json_decode(file_get_contents("./Data/jsapi_ticket.json"));
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//dump($data);
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if ($data->expire_time < time()) {
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// $accessToken = $this->getAccessToken();
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$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
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$res = json_decode($this->http_get($url));
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//dump($res);
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$ticket = $res->ticket;
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if ($ticket) {
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$data->expire_time = time() + 7000;
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$data->jsapi_ticket = $ticket;
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file_put_contents("./Data/jsapi_ticket.json", json_encode($data));
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//$fp = fopen("./Data/jsapi_ticket.json", "w");
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//fwrite($fp, json_encode($data));
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//fclose($fp);
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} else {
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die('no ticket!');
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}
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} else {
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$ticket = $data->jsapi_ticket;
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}
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return $ticket;
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}
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/**
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* GET 请求
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* @param string $url
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*/
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private function http_get($url)
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{
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$oCurl = curl_init();
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if (stripos($url, "https://") !== FALSE) {
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curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);
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curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1
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}
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curl_setopt($oCurl, CURLOPT_URL, $url);
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curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
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$sContent = curl_exec($oCurl);
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$aStatus = curl_getinfo($oCurl);
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curl_close($oCurl);
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if (intval($aStatus["http_code"]) == 200) {
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return $sContent;
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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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