<?php
require "wx_config.php";
// require weixin and database config file
$wechatObj = new wechatCallbackAPI();
if ($_SERVER["REMOTE_ADDR"] == "127.0.0.1") {
$wechatObj->upload_temp_image();
}
exit;
class wechatCallbackAPI
{
// identity authentication
private function get_access_token()
{
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . AppID . "&secret=" . AppSecret;
$data = json_decode(file_get_contents($url), true);
if ($data['access_token']) {
return $data['access_token'];
} else {
exit;
}
}
// upload temporary image
public function upload_temp_image()
{
$url = "https://api.weixin.qq.com/cgi-bin/media/upload?access_token=" . $this->get_access_token() . "&type=image";
$imgAry = scandir("images");
// scan downloaded images path
$countImg = count($imgAry);
$conn = mysql_connect(MySQL_Host, MySQL_User, MySQL_Password);
if (!$conn) {
<?php
require "wx_config.php";
// require weixin and database config file
$wechatObj = new wechatCallbackAPI();
if (!empty($_GET['echostr'])) {
$wechatObj->valid();
} else {
$wechatObj->responseMsg();
}
exit;
class wechatCallbackAPI
{
// identity authentication
public function valid()
{
$echoStr = $_GET["echostr"];
if ($this->checkSignature()) {
echo $echoStr;
}
exit;
}
// check signature for weixin server
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$tmpArr = array(TOKEN, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode($tmpArr);
