<?php
header(‘Content-type:text‘);
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
//通过get获取字符串
if (!isset($_GET[‘echostr‘])) {
$wechatObj->responseMsg();
}else{
$wechatObj->valid();
}
/**
*
*/
class wechatCallbackapiTest
{
/**
* 签名消息入口
* @return [type] [description]
*/
public function valid()
{
$echoStr = $_GET["echostr"];
if($this->checkSignature()){
echo $echoStr;
exit;
}
}
/**
* 响应本消息
* @return [type] [description]
*/
public function responseMsg()
{
$postStr = isset($GLOBALS[‘HTTP_RAW_POST_DATA‘]) ? $GLOBALS[‘HTTP_RAW_POST_DATA‘] : file_get_contents("php://input");
if (!empty($postStr)){
$this->logger("R ".$postStr);
$postObj = simplexml_load_string($postStr, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
$RX_TYPE = trim($postObj->MsgType);
switch ($RX_TYPE)
{
case "event":
$result = $this->receiveEvent($postObj);
break;
case "text":
$result = $this->receiveText($postObj);
break;
}
$this->logger("T ".$result);
echo $result;
}else {
echo "";
exit;
}
}
/**
* 收到文本消息的处理
* @param [type] $postObj [description]
* @return [type] [description]
*/
private function receiveText($postObj){
//获取到的文本内容
$msg = $postObj->Content;
//获取openid
$openid = $postObj->FromUserName;
//$result = $this->transmitText($postObj,$openid.‘:‘.$text);
if($msg == ‘红包‘){
//调用微信支付
$this->sendredpack($openid);
$text = ‘感谢您领取红包‘;
}else{
$text = ‘感谢您XXXXX衣柜的关注!‘;
}
//回复消息
$result = $this->transmitText($postObj,$text);
return $result;
}
/**
* 检验签名信息
* @return [type] [description]
*/
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode($tmpArr);
$tmpStr = sha1($tmpStr);
if($tmpStr == $signature){
return true;
}else{
return false;
}
}
/**
* 关注消息回复
* @param [type] $object [description]
* @return [type] [description]
*/
private function receiveEvent($object)
{
$content = "";
//判断是否送红包
$isSend = false;
switch ($object->Event)
{
case "subscribe":
$content = "欢迎关注XXX衣柜!请输入关键词“红包”领取!";
//设为发送红包
$isSend = ture;
break;
case "unsubscribe":
$content = "取消关注";
break;
}
$result = $this->transmitText($object, $content);
if($isSend){
//发送红包
$openid = $openid = $postObj->FromUserName;
//调用微信支付
$this->sendredpack($openid);
}
return $result;
}
/**
* 转化为xml消息
* @param [type] $object [description]
* @param [type] $content [description]
* @return [type] [description]
*/
private function transmitText($object, $content)
{
$textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[%s]]></Content>
</xml>";
$result = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content);
return $result;
}
/**
* 日志记录
* @param [type] $log_content [description]
* @return [type] [description]
*/
private function logger($log_content)
{
if(isset($_SERVER[‘HTTP_APPNAME‘])){ //SAE
sae_set_display_errors(false);
sae_debug($log_content);
sae_set_display_errors(true);
}else if($_SERVER[‘REMOTE_ADDR‘] != "127.0.0.1"){ //LOCAL
$max_size = 10000;
$log_filename = "log.xml";
if(file_exists($log_filename) and (abs(filesize($log_filename)) > $max_size)){unlink($log_filename);}
file_put_contents($log_filename, date(‘H:i:s‘)." ".$log_content."\r\n", FILE_APPEND);
}
}
/**
* 公众号curlpost消息
* @param [type] $url [description]
* @param [type] $vars [description]
* @param integer $second [description]
* @param array $aHeader [description]
* @return [type] [description]
*/
public function curl_post_ssl($url, $vars, $second=30,$aHeader=array())
{
$ch = curl_init();
//超时时间
curl_setopt($ch,CURLOPT_TIMEOUT,$second);
curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
//这里设置代理，如果有的话
//curl_setopt($ch,CURLOPT_PROXY, ‘10.206.30.98‘);
//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
//以下两种方式需选择一种
//第一种方法，cert 与 key 分别属于两个.pem文件
//默认格式为PEM，可以注释
curl_setopt($ch,CURLOPT_SSLCERTTYPE,‘PEM‘);
curl_setopt($ch,CURLOPT_SSLCERT,getcwd().‘/apiclient_cert.pem‘);
// 默认格式为PEM，可以注释
curl_setopt($ch,CURLOPT_SSLKEYTYPE,‘PEM‘);
curl_setopt($ch,CURLOPT_SSLKEY,getcwd().‘/apiclient_key.pem‘);
//第二种方式，两个文件合成一个.pem文件
//curl_setopt($ch,CURLOPT_SSLCERT,getcwd().‘/all.pem‘);
if( count($aHeader) >= 1 ){
curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
}
curl_setopt($ch,CURLOPT_POST, 1);
curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
$data = curl_exec($ch);
if($data){
curl_close($ch);
return $data;
}
else {
$error = curl_errno($ch);
echo "call faild, errorCode:$error\n";
curl_close($ch);
return false;
}
}
//$re = sendredpack();
//var_dump($re);
/**
* 发红包
* @return [type] [description]
*/
public function sendredpack($openid){
$url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
$mch_billno = ‘随机字符串如（1235583002）‘ . date ( "YmdHis", time () ) . rand ( 1000, 9999 ); //商户订单号
//$mch_billno = ‘1235583002‘.uniqid(); //商户订单号
$mch_id = ‘商户号‘; //微信支付分配的商户号
$wxappid = ‘你的APPID‘; //公众账号appid
$send_name = "名字，尽量别超过四个字";
$re_openid = $openid;
$total_amount = 100; // 付款金额，单位分
$total_num = 1; //红包发放总人数
$wishing = "恭喜发财"; //红包祝福语
$client_ip = "211.149.199.227 "; //Ip地址
$act_name = "首次关注"; //活动名称
$remark = "红包"; //备注
$apikey = "商户apikey"; // key 商户后台设置的 微信商户平台(pay.weixin.qq.com)-->账户设置-->API安全-->密钥设置
$nonce_str = md5(rand()); //随机字符串，不长于32位
$m_arr = array (
‘mch_billno‘ => $mch_billno,
‘mch_id‘ => $mch_id,
‘wxappid‘ => $wxappid,
‘send_name‘ => $send_name,
‘re_openid‘ => $re_openid,
‘total_amount‘ => $total_amount,
‘total_num‘ => $total_num,
‘wishing‘ => $wishing,
‘client_ip‘ => $client_ip,
‘act_name‘ => $act_name,
‘remark‘ => $remark,
‘nonce_str‘ => $nonce_str
);
array_filter ( $m_arr ); // 清空参数为空的数组元素
ksort ( $m_arr ); // 按照参数名ASCII码从小到大排序
$stringA = "";
foreach ( $m_arr as $key => $row ) {
$stringA .= "&" . $key . ‘=‘ . $row;
}
$stringA = substr ( $stringA, 1 );
// 拼接API密钥：
$stringSignTemp = $stringA."&key=" . $apikey;
$sign = strtoupper ( md5 ( $stringSignTemp ) ); //签名
$textTpl = ‘<xml>
<sign><![CDATA[%s]]></sign>
<mch_billno><![CDATA[%s]]></mch_billno>
<mch_id><![CDATA[%s]]></mch_id>
<wxappid><![CDATA[%s]]></wxappid>
<send_name><![CDATA[%s]]></send_name>
<re_openid><![CDATA[%s]]></re_openid>
<total_amount><![CDATA[%s]]></total_amount>
<total_num><![CDATA[%s]]></total_num>
<wishing><![CDATA[%s]]></wishing>
<client_ip><![CDATA[%s]]></client_ip>
<act_name><![CDATA[%s]]></act_name>
<remark><![CDATA[%s]]></remark>
<nonce_str><![CDATA[%s]]></nonce_str>
</xml>‘;
$resultStr = sprintf($textTpl, $sign, $mch_billno, $mch_id, $wxappid, $send_name,$re_openid,$total_amount,$total_num,$wishing,$client_ip,$act_name,$remark,$nonce_str);
return $this->curl_post_ssl($url,$resultStr);
}
}
?>