pay/plugins/suixingpay/inc/Suixingpay.class.php
2025-11-28 10:08:12 +08:00

113 lines
3.1 KiB
PHP

<?php
/**
* @see https://paas.tianquetech.com/
*/
class Suixingpay
{
private $gateway = 'https://openapi.tianquetech.com';
private $sign_type = 'RSA';
private $version = '1.0';
private $org_id;
private $platform_public_key;
private $merchant_private_key;
public function __construct($org_id, $platform_public_key, $merchant_private_key)
{
$this->org_id = $org_id;
$this->platform_public_key = $platform_public_key;
$this->merchant_private_key = $merchant_private_key;
}
//发起API请求
public function submit($url, $data){
$apiurl = $this->gateway.$url;
$params = [
'orgId' => $this->org_id,
'reqId' => $this->getMillisecond(),
'reqData' => $data,
'timestamp' => date('YmdHis'),
'version' => $this->version,
'signType' => $this->sign_type,
];
$params['sign'] = $this->generateSign($params);
$response = get_curl($apiurl, json_encode($params), 0, 0, 0, 0, 0, ['Content-Type: application/json; charset=utf-8']);
if(!$response){
throw new Exception('请求接口失败');
}
$result = json_decode($response, true);
if (isset($result['code']) && $result['code'] == '0000') {
if(!$this->verifySign($result)) throw new Exception('返回数据验签失败');
return $result['respData'];
} elseif(isset($result['msg'])) {
throw new Exception($result['msg']);
}else{
throw new Exception('返回数据解析失败');
}
}
//获取待签名字符串
private function getSignContent($param){
ksort($param);
$signstr = '';
foreach($param as $k => $v){
if($k != "sign" && $v!==null && $v!==''){
if(is_array($v)){
$signstr .= $k.'='.json_encode($v, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES).'&';
}else{
$signstr .= $k.'='.$v.'&';
}
}
}
$signstr = substr($signstr,0,-1);
return $signstr;
}
//请求参数签名
private function generateSign($param){
return $this->rsaPrivateSign($this->getSignContent($param));
}
//验签方法
public function verifySign($param){
if(empty($param['sign'])) return false;
return $this->rsaPubilcSign($this->getSignContent($param), $param['sign']);
}
//商户私钥签名
private function rsaPrivateSign($data){
$key = "-----BEGIN RSA PRIVATE KEY-----\n" .
wordwrap($this->merchant_private_key, 64, "\n", true) .
"\n-----END RSA PRIVATE KEY-----";
$res = openssl_pkey_get_private($key);
if(!$res){
throw new Exception('签名失败,商户私钥错误');
}
openssl_sign($data, $sign, $res);
$sign = base64_encode($sign);
return $sign;
}
//平台公钥验签
private function rsaPubilcSign($data, $sign){
$key = "-----BEGIN PUBLIC KEY-----\n" .
wordwrap($this->platform_public_key, 64, "\n", true) .
"\n-----END PUBLIC KEY-----";
$res = openssl_pkey_get_public($key);
if(!$res){
throw new Exception('验签失败,平台公钥错误');
}
$result = openssl_verify($data, base64_decode($sign), $res);
return $result;
}
private function getMillisecond()
{
list($s1, $s2) = explode(' ', microtime());
return sprintf('%.0f', (floatval($s1) + floatval($s2)) * 1000);
}
}