shopxo/extend/payment/Alipay.php
2019-06-16 16:22:43 +08:00

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<?php
// +----------------------------------------------------------------------
// | ShopXO 国内领先企业级B2C免费开源电商系统
// +----------------------------------------------------------------------
// | Copyright (c) 2011~2019 http://shopxo.net All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: Devil
// +----------------------------------------------------------------------
namespace payment;
/**
* 支付宝支付 - 新版本接口
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
*/
class Alipay
{
// 插件配置参数
private $config;
/**
* 构造方法
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-17
* @desc description
* @param [array] $params [输入参数(支付配置参数)]
*/
public function __construct($params = [])
{
$this->config = $params;
}
/**
* 配置信息
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
*/
public function Config()
{
// 基础信息
$base = [
'name' => '支付宝', // 插件名称
'version' => '0.0.1', // 插件版本
'apply_version' => '不限', // 适用系统版本描述
'apply_terminal'=> ['pc','h5'], // 适用终端 默认全部 ['pc', 'h5', 'app', 'alipay', 'weixin', 'baidu']
'desc' => '2.0版本适用PC+H5即时到帐支付方式买家的交易资金直接打入卖家支付宝账户快速回笼交易资金。 <a href="http://www.alipay.com/" target="_blank">立即申请</a>', // 插件描述支持html
'author' => 'Devil', // 开发者
'author_url' => 'http://shopxo.net/', // 开发者主页
];
// 配置信息
$element = [
[
'element' => 'input',
'type' => 'text',
'default' => '',
'name' => 'appid',
'placeholder' => '应用ID',
'title' => '应用ID',
'is_required' => 0,
'message' => '请填写应用ID',
],
[
'element' => 'textarea',
'name' => 'rsa_public',
'placeholder' => '应用公钥',
'title' => '应用公钥',
'is_required' => 0,
'rows' => 6,
'message' => '请填写应用公钥',
],
[
'element' => 'textarea',
'name' => 'rsa_private',
'placeholder' => '应用私钥',
'title' => '应用私钥',
'is_required' => 0,
'rows' => 6,
'message' => '请填写应用私钥',
],
[
'element' => 'textarea',
'name' => 'out_rsa_public',
'placeholder' => '支付宝公钥',
'title' => '支付宝公钥',
'is_required' => 0,
'rows' => 6,
'message' => '请填写支付宝公钥',
],
];
return [
'base' => $base,
'element' => $element,
];
}
/**
* 支付入口
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
* @param [array] $params [输入参数]
*/
public function Pay($params = [])
{
// 参数
if(empty($params))
{
return DataReturn('参数不能为空', -1);
}
// 配置信息
if(empty($this->config))
{
return DataReturn('支付缺少配置', -1);
}
// 手机/PC
if(IsMobile())
{
$ret = $this->PayMobile($params);
} else {
$ret = $this->PayWeb($params);
}
return $ret;
}
/**
* [PayMobile wap手机支付]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2018-09-28T00:41:09+0800
* @param [array] $params [输入参数]
*/
private function PayMobile($params = [])
{
// 支付参数
$parameter = array(
'app_id' => $this->config['appid'],
'method' => 'alipay.trade.wap.pay',
'format' => 'JSON',
'charset' => 'utf-8',
'sign_type' => 'RSA2',
'timestamp' => date('Y-m-d H:i:s'),
'version' => '1.0',
'return_url' => $params['call_back_url'],
'notify_url' => $params['notify_url'],
);
$biz_content = array(
'product_code' => 'QUICK_WAP_WAY',
'subject' => $params['name'],
'out_trade_no' => $params['order_no'],
'total_amount' => $params['total_price'],
);
$parameter['biz_content'] = json_encode($biz_content, JSON_UNESCAPED_UNICODE);
// 生成签名参数+签名
$parameter['sign'] = $this->MyRsaSign($this->GetSignContent($parameter));
// 输出执行form表单post提交
exit($this->BuildRequestForm($parameter));
}
/**
* [PayWeb PC支付]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2018-09-28T00:23:04+0800
* @param [array] $params [输入参数]
*/
private function PayWeb($params = [])
{
// 支付参数
$parameter = array(
'app_id' => $this->config['appid'],
'method' => 'alipay.trade.page.pay',
'format' => 'JSON',
'charset' => 'utf-8',
'sign_type' => 'RSA2',
'timestamp' => date('Y-m-d H:i:s'),
'version' => '1.0',
'return_url' => $params['call_back_url'],
'notify_url' => $params['notify_url'],
);
$biz_content = array(
'product_code' => 'FAST_INSTANT_TRADE_PAY',
'subject' => $params['name'],
'out_trade_no' => $params['order_no'],
'total_amount' => $params['total_price'],
);
$parameter['biz_content'] = json_encode($biz_content, JSON_UNESCAPED_UNICODE);
// 生成签名参数+签名
$parameter['sign'] = $this->MyRsaSign($this->GetSignContent($parameter));
// 输出执行form表单post提交
exit($this->BuildRequestForm($parameter));
}
/**
* 支付回调处理
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
* @param [array] $params [输入参数]
*/
public function Respond($params = [])
{
$data = empty($_POST) ? $_GET : array_merge($_GET, $_POST);
ksort($data);
// 参数字符串
$prestr = '';
foreach($data AS $key=>$val)
{
if ($key != 'sign' && $key != 'sign_type' && $key != 'code')
{
$prestr .= "$key=$val&";
}
}
$prestr = substr($prestr, 0, -1);
// 签名
if(!$this->OutRsaVerify($prestr, $data['sign']))
{
return DataReturn('签名校验失败', -1);
}
// 支付状态
if(!empty($data['trade_no']) || (isset($data['trade_status']) && in_array($data['trade_status'], ['TRADE_SUCCESS', 'TRADE_FINISHED'])))
{
return DataReturn('支付成功', 0, $this->ReturnData($data));
}
return DataReturn('处理异常错误', -100);
}
/**
* [ReturnData 返回数据统一格式]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2018-10-06T16:54:24+0800
* @param [array] $data [返回数据]
*/
private function ReturnData($data)
{
// 返回数据固定基础参数
$data['trade_no'] = $data['trade_no']; // 支付平台 - 订单号
$data['buyer_user'] = $data['seller_id']; // 支付平台 - 用户
$data['out_trade_no'] = $data['out_trade_no']; // 本系统发起支付的 - 订单号
$data['subject'] = isset($data['subject']) ? $data['subject'] : ''; // 本系统发起支付的 - 商品名称
$data['pay_price'] = $data['total_amount']; // 本系统发起支付的 - 总价
return $data;
}
/**
* 退款处理
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-05-28
* @desc description
* @param [array] $params [输入参数]
*/
public function Refund($params = [])
{
// 参数
$p = [
[
'checked_type' => 'empty',
'key_name' => 'order_no',
'error_msg' => '订单号不能为空',
],
[
'checked_type' => 'empty',
'key_name' => 'trade_no',
'error_msg' => '交易平台订单号不能为空',
],
[
'checked_type' => 'empty',
'key_name' => 'refund_price',
'error_msg' => '退款金额不能为空',
],
];
$ret = ParamsChecked($params, $p);
if($ret !== true)
{
return DataReturn($ret, -1);
}
// 退款原因
$refund_reason = empty($params['refund_reason']) ? $params['order_no'].'订单退款'.$params['refund_price'].'元' : $params['refund_reason'];
// 退款参数
$parameter = array(
'app_id' => $this->config['appid'],
'method' => 'alipay.trade.refund',
'format' => 'JSON',
'charset' => 'utf-8',
'sign_type' => 'RSA2',
'timestamp' => date('Y-m-d H:i:s'),
'version' => '1.0',
);
$biz_content = array(
'out_trade_no' => $params['order_no'],
'trade_no' => $params['trade_no'],
'refund_amount' => $params['refund_price'],
'refund_reason' => $refund_reason,
);
$parameter['biz_content'] = json_encode($biz_content, JSON_UNESCAPED_UNICODE);
// 生成签名参数+签名
$parameter['sign'] = $this->MyRsaSign($this->GetSignContent($parameter));
// 执行请求
$result = $this->HttpRequest('https://openapi.alipay.com/gateway.do', $parameter);
$key = str_replace('.', '_', $parameter['method']).'_response';
// 验证签名
if(!$this->SyncRsaVerify($result, $key))
{
return DataReturn('签名验证错误', -1);
}
// 状态
if(isset($result[$key]['code']) && $result[$key]['code'] == 10000)
{
// 统一返回格式
$data = [
'out_trade_no' => isset($result[$key]['out_trade_no']) ? $result[$key]['out_trade_no'] : '',
'trade_no' => isset($result[$key]['trade_no']) ? $result[$key]['trade_no'] : '',
'buyer_user' => isset($result[$key]['buyer_user_id']) ? $result[$key]['buyer_user_id'] : '',
'refund_price' => isset($result[$key]['refund_fee']) ? $result[$key]['refund_fee'] : 0.00,
'return_params' => $result[$key],
];
return DataReturn('退款成功', 0, $data);
}
// 直接返回支付信息
return DataReturn($result[$key]['sub_msg'].'['.$result[$key]['sub_code'].']', -1000);
}
/**
* 建立请求以表单HTML形式构造默认
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-03-15
* @desc description
* @param [array] $params [请求参数数组]
* @return [string] [提交表单HTML文本]
*/
private function BuildRequestForm($params)
{
$html = "<form id='alipaysubmit' name='alipaysubmit' action='https://openapi.alipay.com/gateway.do?charset=utf-8' method='POST'>";
foreach($params as $key=>$val)
{
if(!empty($val))
{
$val = str_replace("'", "&apos;", $val);
$html .= "<input type='hidden' name='".$key."' value='".$val."'/>";
}
}
//submit按钮控件请不要含有name属性
$html .= "<input type='submit' value='ok' style='display:none;''></form>";
$html .= "<script>document.forms['alipaysubmit'].submit();</script>";
return $html;
}
/**
* [HttpRequest 网络请求]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-25T09:10:46+0800
* @param [string] $url [请求url]
* @param [array] $data [发送数据]
* @return [mixed] [请求返回数据]
*/
private function HttpRequest($url, $data)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FAILONERROR, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
$body_string = '';
if(is_array($data) && 0 < count($data))
{
foreach($data as $k => $v)
{
$body_string .= $k.'='.urlencode($v).'&';
}
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $body_string);
}
$headers = array('content-type: application/x-www-form-urlencoded;charset=UTF-8');
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$reponse = curl_exec($ch);
if(curl_errno($ch))
{
return false;
} else {
$httpStatusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if(200 !== $httpStatusCode)
{
return false;
}
}
curl_close($ch);
return json_decode($reponse, true);
}
/**
* 获取签名内容
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-03-15
* @desc description
* @param [array] $params [需要签名的参数]
*/
public function GetSignContent($params)
{
ksort($params);
$string = "";
$i = 0;
foreach($params as $k => $v)
{
if(!empty($v) && "@" != substr($v, 0, 1))
{
if ($i == 0) {
$string .= "$k" . "=" . "$v";
} else {
$string .= "&" . "$k" . "=" . "$v";
}
$i++;
}
}
unset($k, $v);
return $string;
}
/**
* [MyRsaSign 签名字符串]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-24T08:38:28+0800
* @param [string] $prestr [需要签名的字符串]
* @return [string] [签名结果]
*/
private function MyRsaSign($prestr)
{
$res = "-----BEGIN RSA PRIVATE KEY-----\n";
$res .= wordwrap($this->config['rsa_private'], 64, "\n", true);
$res .= "\n-----END RSA PRIVATE KEY-----";
return openssl_sign($prestr, $sign, $res, OPENSSL_ALGO_SHA256) ? base64_encode($sign) : null;
}
/**
* [MyRsaDecrypt RSA解密]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-24T09:12:06+0800
* @param [string] $content [需要解密的内容,密文]
* @return [string] [解密后内容,明文]
*/
private function MyRsaDecrypt($content)
{
$res = "-----BEGIN PUBLIC KEY-----\n";
$res .= wordwrap($this->config['rsa_public'], 64, "\n", true);
$res .= "\n-----END PUBLIC KEY-----";
$res = openssl_get_privatekey($res);
$content = base64_decode($content);
$result = '';
for($i=0; $i<strlen($content)/128; $i++)
{
$data = substr($content, $i * 128, 128);
openssl_private_decrypt($data, $decrypt, $res, OPENSSL_ALGO_SHA256);
$result .= $decrypt;
}
openssl_free_key($res);
return $result;
}
/**
* [OutRsaVerify 支付宝验证签名]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-24T08:39:50+0800
* @param [string] $prestr [需要签名的字符串]
* @param [string] $sign [签名结果]
* @return [boolean] [正确true, 错误false]
*/
private function OutRsaVerify($prestr, $sign)
{
$res = "-----BEGIN PUBLIC KEY-----\n";
$res .= wordwrap($this->config['out_rsa_public'], 64, "\n", true);
$res .= "\n-----END PUBLIC KEY-----";
$pkeyid = openssl_pkey_get_public($res);
$sign = base64_decode($sign);
if($pkeyid)
{
$verify = openssl_verify($prestr, $sign, $pkeyid, OPENSSL_ALGO_SHA256);
openssl_free_key($pkeyid);
}
return (isset($verify) && $verify == 1) ? true : false;
}
/**
* [SyncRsaVerify 同步返回签名验证]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-25T13:13:39+0800
* @param [array] $data [返回数据]
* @param [boolean] $key [数据key]
*/
private function SyncRsaVerify($data, $key)
{
$string = json_encode($data[$key], JSON_UNESCAPED_UNICODE);
return $this->OutRsaVerify($string, $data['sign']);
}
}
?>