<?php
namespace feng;
error_reporting(E_ALL);
ini_set('display_errors', '1');
ini_set('date.timezone','Asia/Shanghai');
class WeixinPay
{
private static $sslcert_path = './cert/apiclient_cert.pem';
private static $sslkey_path = './cert/apiclient_key.pem';
private static $referer = '';
private static $config = array(
'appid' => '',
'xcxappid' => '',
'mch_id' => '',
'key' => '',
'appsecret' => '',
'notify_url' => '',
'redirect_uri' => '',
);
public function __construct($config=NULL, $referer=NULL){
$config && self::$config = $config;
self::$referer = $referer ? $referer : $_SERVER['HTTP_HOST'];
}
public static function unifiedOrder($order, $type=NULL)
{
$weixinpay_config = array_filter(self::$config);
$config = array(
'appid' => empty($type) ? $weixinpay_config['appid'] : $weixinpay_config['xcxappid'],
'mch_id' => $weixinpay_config['mch_id'],
'nonce_str' => 'test',
'spbill_create_ip' => self::get_iP(),
'notify_url' => $weixinpay_config['notify_url']
);
$data = array_merge($order, $config);
$sign = self::makeSign($data);
$data['sign'] = $sign;
$xml = self::array_to_xml($data);
$url = 'https:
$header[] = "Content-type: text/xml";
$ch = curl_init ($url);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_REFERER, self::$referer);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
$response = curl_exec($ch);
if(curl_errno($ch)){
die(curl_error($ch));
}
curl_close($ch);
$result = self::xml_to_array($response);
if ($result['return_code']=='FAIL')
die($result['return_msg']);
if ($result['result_code']=='FAIL')
die($result['err_code_des']);
$result['sign'] = $sign;
$result['nonce_str'] = 'test';
return $result;
}
public static function qrcodePay($order=NULL)
{
if(!is_array($order) || count($order) < 4){
die("数组数据信息缺失！");
}
$order['trade_type'] = 'NATIVE';
$result = self::unifiedOrder($order);
$decodeurl = urldecode($result['code_url']);
return $decodeurl;
}
public static function jsPay($order=NULL,$code=NULL){
$config=self::$config;
if (!is_array($order) || count($order) < 4)
die("数组数据信息缺失！");
if (count($order) == 5) {
$data = self::xcxPay($order, false);
return $data;
}
empty($code) && $code = $_GET['code'];
if (empty($code)) {
$out_trade_no = $order['out_trade_no'];
$redirect_uri = $config['redirect_uri'];
$redirect_uri = urlencode($redirect_uri);
$url = 'https:
header('Location: '.$url);
} else {
$url = 'https:
$result = self::curl_get_contents($url);
$result = json_decode($result,true);
$order['openid'] = $result['openid'];
$data = self::xcxPay($order, false);
return $data;
}
}
public static function xcxPay($order=NULL,$type=true)
{
if(!is_array($order) || count($order) < 5){
die("数组数据信息缺失！");
}
$order['trade_type'] = 'JSAPI';
$result = self::unifiedOrder($order,$type);
if ($result['return_code']=='SUCCESS' && $result['result_code']=='SUCCESS') {
$data = array (
'appId' => $type ? self::$config['xcxappid'] : self::$config['appid'],
'timeStamp' => (string)time(),
'nonceStr' => self::get_rand_str(32, 0, 1),
'package' => 'prepay_id='.$result['prepay_id'],
'signType' => 'MD5',
);
$data['paySign'] = self::makeSign($data);
return $data;
} else {
if ($result['err_code_des'])
die($result['err_code_des']);
return false;
}
}
public static function h5Pay($order=NULL)
{
if(!is_array($order) || count($order) < 4){
die("数组数据信息缺失！");
}
$order['trade_type'] = 'MWEB';
$result = self::unifiedOrder($order);
if ($result['return_code']=='SUCCESS' && $result['result_code']=='SUCCESS')
return $result['mweb_url'];
if ($result['err_code_des'])
die($result['err_code_des']);
return false;
}
public static function Refund($order, $type=NULL)
{
$config = self::$config;
$data = array(
'appid' => empty($type) ? $config['appid'] : $config['xcxappid'] ,
'mch_id' => $config['mch_id'],
'nonce_str' => 'test',
'total_fee' => $order['total_fee'],
'refund_fee' => $order['total_fee'],
'sign_type' => 'MD5',
'transaction_id'=> $order['transaction_id'],
'out_trade_no' => $order['out_trade_no'],
'out_refund_no' => $order['out_trade_no'],
'refund_desc' => $order['body'],
);
$sign = self::makeSign($data);
$data['sign'] = $sign;
$xml = self::array_to_xml($data);
$url = 'https:
$response = self::postXmlSSLCurl($xml,$url);
$result = self::xml_to_array($response);
if ($result['return_code']=='FAIL') {
die($result['return_msg']);
}
$result['sign'] = $sign;
$result['nonce_str'] = 'test';
return $result;
}
public static function notify()
{
$xml = file_get_contents('php:
if (!$xml)
die('暂无回调信息');
$data = self::xml_to_array($xml);
$data_sign = $data['sign'];
unset($data['sign']);
$sign = self::makeSign($data);
if ($sign===$data_sign && $data['return_code']=='SUCCESS' && $data['result_code']=='SUCCESS') {
$result=$data;
}else{
$result=false;
}
if ($result) {
$str='<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
}else{
$str='<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[签名失败]]></return_msg></xml>';
}
echo $str;
return $result;
}
public static function makeSign($data)
{
$data = array_filter($data);
ksort($data);
$string_a = http_build_query($data);
$string_a = urldecode($string_a);
$config = self::$config;
$string_sign_temp = $string_a."&key=".$config['key'];
$sign = md5($string_sign_temp);
$result = strtoupper($sign);
return $result;
}
public static function xml_to_array($xml)
{
libxml_disable_entity_loader(true);
$result = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
return $result;
}
public static function array_to_xml($data)
{
if(!is_array($data) || count($data) <= 0){
die("数组数据异常！");
}
$xml = "<xml>";
foreach ($data as $key=>$val){
if (is_numeric($val)){
$xml .= "<".$key.">".$val."</".$key.">";
}else{
$xml .= "<".$key."><![CDATA[".$val."]]></".$key.">";
}
}
$xml .= "</xml>";
return $xml;
}
public static function curl_get_contents($url)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
curl_setopt($ch, CURLOPT_REFERER, self::$referer);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$r=curl_exec($ch);
curl_close($ch);
return $r;
}
public static function postXmlSSLCurl($xml,$url,$second=30)
{
$ch = curl_init();
curl_setopt($ch,CURLOPT_TIMEOUT,$second);
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
curl_setopt($ch,CURLOPT_HEADER,FALSE);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLCERT, self::$sslcert_path);
curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLKEY, self::$sslkey_path);
curl_setopt($ch,CURLOPT_POST, true);
curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
$data = curl_exec($ch);
if($data){
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
echo "curl出错，错误码:$error"."<br>";
curl_close($ch);
return false;
}
}
public static function get_rand_str($randLength=6,$addtime=1,$includenumber=0)
{
if ($includenumber)
$chars='abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPQEST123456789';
$chars='abcdefghijklmnopqrstuvwxyz';
$len=strlen($chars);
$randStr='';
for ($i=0;$i<$randLength;$i++){
$randStr .= $chars[rand(0,$len-1)];
}
$tokenvalue = $randStr;
$addtime && $tokenvalue=$randStr.time();
return $tokenvalue;
}
public static function get_iP()
{
if (getenv("HTTP_CLIENT_IP"))
$ip = getenv("HTTP_CLIENT_IP");
else if(getenv("HTTP_X_FORWARDED_FOR"))
$ip = getenv("HTTP_X_FORWARDED_FOR");
else if(getenv("REMOTE_ADDR"))
$ip = getenv("REMOTE_ADDR");
else $ip = "Unknow";
if(preg_match('/^((?:(?:25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d)))\.){3}(?:25[0-5]|2[0-4]\d|((1\d{2})|([1 -9]?\d))))$/', $ip))
return $ip;
else
return '';
}
}
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