|
|
|
|
|
#region Apache License Version 2.0
|
|
|
|
|
|
/*----------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
|
|
Copyright 2023 Jeffrey Su & Suzhou Senparc Network Technology Co.,Ltd.
|
|
|
|
|
|
|
|
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
|
|
|
|
|
|
except in compliance with the License. You may obtain a copy of the License at
|
|
|
|
|
|
|
|
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
|
|
|
|
|
|
|
|
Unless required by applicable law or agreed to in writing, software distributed under the
|
|
|
|
|
|
License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
|
|
|
|
|
|
either express or implied. See the License for the specific language governing permissions
|
|
|
|
|
|
and limitations under the License.
|
|
|
|
|
|
|
|
|
|
|
|
Detail: https://github.com/JeffreySu/WeiXinMPSDK/blob/master/license.md
|
|
|
|
|
|
|
|
|
|
|
|
----------------------------------------------------------------*/
|
|
|
|
|
|
#endregion Apache License Version 2.0
|
|
|
|
|
|
|
|
|
|
|
|
/*----------------------------------------------------------------
|
|
|
|
|
|
Copyright (C) 2022 Senparc
|
|
|
|
|
|
|
|
|
|
|
|
文件名：TenPaySignHelper.cs
|
|
|
|
|
|
文件功能描述：微信支付V3签名Helper类 可用于创建签名 验证签名
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
创建标识：Senparc - 20210819
|
|
|
|
|
|
|
|
|
|
|
|
修改标识：Senparc - 20211002
|
|
|
|
|
|
修改描述：v0.3.500.4-preview4.3 TenPaySignHelper.CreateSign() 支持 Linux 和 Windows 环境
|
|
|
|
|
|
|
|
|
|
|
|
----------------------------------------------------------------*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
using Senparc.Weixin.Entities;
|
|
|
|
|
|
using Senparc.Weixin.Helpers;
|
|
|
|
|
|
using System;
|
|
|
|
|
|
using System.Collections.Generic;
|
|
|
|
|
|
using System.IO;
|
|
|
|
|
|
using System.Linq;
|
|
|
|
|
|
using System.Security.Cryptography;
|
|
|
|
|
|
using System.Security.Cryptography.X509Certificates;
|
|
|
|
|
|
using System.Text;
|
|
|
|
|
|
using System.Threading.Tasks;
|
|
|
|
|
|
|
|
|
|
|
|
namespace Senparc.Weixin.TenPayV3.Helpers
|
|
|
|
|
|
{
|
|
|
|
|
|
public class TenPaySignHelper
|
|
|
|
|
|
{
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 创建签名
|
|
|
|
|
|
/// <para>https://pay.weixin.qq.com/wiki/doc/apiv3/wechatpay/wechatpay4_0.shtml</para>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="message">签名串</param>
|
|
|
|
|
|
/// <param name="privateKey">签名私钥 可为空</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static string CreateSign(string message, string privateKey = null)
|
|
|
|
|
|
{
|
|
|
|
|
|
privateKey ??= Senparc.Weixin.Config.SenparcWeixinSetting.TenPayV3_PrivateKey;
|
|
|
|
|
|
|
|
|
|
|
|
// NOTE： 私钥不包括私钥文件起始的-----BEGIN PRIVATE KEY-----
|
|
|
|
|
|
// 亦不包括结尾的-----END PRIVATE KEY-----
|
|
|
|
|
|
//string privateKey = "{你的私钥}";
|
|
|
|
|
|
|
|
|
|
|
|
byte[] keyData = Convert.FromBase64String(privateKey);
|
|
|
|
|
|
|
|
|
|
|
|
#region 以下方法不兼容 Linux
|
|
|
|
|
|
//using (CngKey cngKey = CngKey.Import(keyData, CngKeyBlobFormat.Pkcs8PrivateBlob))
|
|
|
|
|
|
//using (RSACng rsa = new RSACng(cngKey))
|
|
|
|
|
|
//{
|
|
|
|
|
|
// byte[] data = System.Text.Encoding.UTF8.GetBytes(message);
|
|
|
|
|
|
// return Convert.ToBase64String(rsa.SignData(data, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
|
|
|
|
|
|
//}
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
using (var rsa = System.Security.Cryptography.RSA.Create())
|
|
|
|
|
|
{
|
|
|
|
|
|
rsa.ImportPkcs8PrivateKey(keyData, out _);
|
|
|
|
|
|
byte[] data = System.Text.Encoding.UTF8.GetBytes(message);
|
|
|
|
|
|
return Convert.ToBase64String(rsa.SignData(data, 0, data.Length, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取调起支付所需的签名
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="timeStamp">时间戳</param>
|
|
|
|
|
|
/// <param name="nonceStr">随机串</param>
|
|
|
|
|
|
/// <param name="package">格式：prepay_id={0}</param>
|
|
|
|
|
|
/// <param name="senparcWeixinSettingForTenpayV3">可为空 为空将从Senparc.Weixin.Config获取</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static string CreatePaySign(string timeStamp, string nonceStr, string package, ISenparcWeixinSettingForTenpayV3 senparcWeixinSettingForTenpayV3 = null)
|
|
|
|
|
|
{
|
|
|
|
|
|
senparcWeixinSettingForTenpayV3 ??= Senparc.Weixin.Config.SenparcWeixinSetting.TenpayV3Setting;
|
|
|
|
|
|
|
|
|
|
|
|
var appId = senparcWeixinSettingForTenpayV3.TenPayV3_AppId;
|
|
|
|
|
|
var privateKey = senparcWeixinSettingForTenpayV3.TenPayV3_PrivateKey;
|
|
|
|
|
|
|
|
|
|
|
|
return CreatePaySign(timeStamp, nonceStr, package, appId, privateKey);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取调起支付所需的签名
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="timeStamp">时间戳</param>
|
|
|
|
|
|
/// <param name="nonceStr">随机串</param>
|
|
|
|
|
|
/// <param name="package">格式：prepay_id={0}</param>
|
|
|
|
|
|
/// <param name="privateKey">商户证书私钥</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static string CreatePaySign(string timeStamp, string nonceStr, string package, string appId, string privateKey)
|
|
|
|
|
|
{
|
|
|
|
|
|
string contentForSign = $"{appId}\n{timeStamp}\n{nonceStr}\n{package}\n";
|
|
|
|
|
|
return CreateSign(contentForSign, privateKey);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 检验签名，以确保回调是由微信支付发送。
|
|
|
|
|
|
/// 签名规则见微信官方文档 https://pay.weixin.qq.com/wiki/doc/apiv3/wechatpay/wechatpay4_1.shtml。
|
|
|
|
|
|
/// return bool
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="wechatpayTimestamp">HTTP头中的应答时间戳</param>
|
|
|
|
|
|
/// <param name="wechatpayNonce">HTTP头中的应答随机串</param>
|
|
|
|
|
|
/// <param name="wechatpaySignatureBase64">HTTP头中的应答签名（Base64）</param>
|
|
|
|
|
|
/// <param name="content">应答报文主体</param>
|
|
|
|
|
|
/// <param name="pubKey">平台公钥（必须是Unwrap的公钥）</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static bool VerifyTenpaySign(string wechatpayTimestamp, string wechatpayNonce, string wechatpaySignatureBase64, string content, string pubKey)
|
|
|
|
|
|
{
|
|
|
|
|
|
//验签名串
|
|
|
|
|
|
string contentForSign = $"{wechatpayTimestamp}\n{wechatpayNonce}\n{content}\n";
|
|
|
|
|
|
|
|
|
|
|
|
//Base64 解码 pubKey（必须已经使用 ApiSecurityHelper.GetUnwrapCertKey() 方法进行 Unwrap）
|
|
|
|
|
|
var bs = Convert.FromBase64String(pubKey);
|
|
|
|
|
|
//使用 X509Certificate2 证书
|
|
|
|
|
|
var x509 = new X509Certificate2(bs);
|
|
|
|
|
|
//AsymmetricAlgorithm对象
|
|
|
|
|
|
var key = x509.PublicKey.Key;
|
|
|
|
|
|
|
|
|
|
|
|
//RSAPKCS1SignatureDeformatter 对象
|
|
|
|
|
|
RSAPKCS1SignatureDeformatter df = new RSAPKCS1SignatureDeformatter(key);
|
|
|
|
|
|
//指定 SHA256
|
|
|
|
|
|
df.SetHashAlgorithm("SHA256");
|
|
|
|
|
|
//SHA256Managed 方法已弃用，使用 SHA256.Create() 生成 SHA256 对象
|
|
|
|
|
|
var sha256 = SHA256.Create();
|
|
|
|
|
|
//应答签名
|
|
|
|
|
|
byte[] signature = Convert.FromBase64String(wechatpaySignatureBase64);
|
|
|
|
|
|
//对比签名
|
|
|
|
|
|
byte[] compareByte = sha256.ComputeHash(Encoding.UTF8.GetBytes(contentForSign));
|
|
|
|
|
|
//验证签名
|
|
|
|
|
|
var result = df.VerifySignature(compareByte, signature);
|
|
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 检验签名，以确保回调是由微信支付发送。
|
|
|
|
|
|
/// 签名规则见微信官方文档 https://pay.weixin.qq.com/wiki/doc/apiv3/wechatpay/wechatpay4_1.shtml。
|
|
|
|
|
|
/// return bool
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="wechatpayTimestamp">HTTP头中的应答时间戳</param>
|
|
|
|
|
|
/// <param name="wechatpayNonce">HTTP头中的应答随机串</param>
|
|
|
|
|
|
/// <param name="wechatpaySignature">HTTP头中的应答签名</param>
|
|
|
|
|
|
/// <param name="content">应答报文主体</param>
|
|
|
|
|
|
/// <param name="pubKey">平台公钥 可为空</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static async Task<bool> VerifyTenpaySign(string wechatpayTimestamp, string wechatpayNonce, string wechatpaySignature, string content, string serialNumber, ISenparcWeixinSettingForTenpayV3 senparcWeixinSettingForTenpayV3)
|
|
|
|
|
|
{
|
|
|
|
|
|
//string contentForSign = $"{wechatpayTimestamp}\n{wechatpayNonce}\n{content}\n";
|
|
|
|
|
|
|
|
|
|
|
|
var tenpayV3InfoKey = TenPayHelper.GetRegisterKey(senparcWeixinSettingForTenpayV3.TenPayV3_MchId, senparcWeixinSettingForTenpayV3.TenPayV3_SubMchId);
|
|
|
|
|
|
var pubKey = await TenPayV3InfoCollection.Data[tenpayV3InfoKey].GetPublicKeyAsync(serialNumber, senparcWeixinSettingForTenpayV3);
|
|
|
|
|
|
return VerifyTenpaySign(wechatpayTimestamp, wechatpayNonce, wechatpaySignature, content, pubKey);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取给 JsApi UI 使用的打包签名信息
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="appId"></param>
|
|
|
|
|
|
/// <param name="prepayId"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static JsApiUiPackage GetJsApiUiPackage(string appId, string prepayId)
|
|
|
|
|
|
{
|
|
|
|
|
|
var timeStamp = TenPayV3Util.GetTimestamp();
|
|
|
|
|
|
var nonceStr = TenPayV3Util.GetNoncestr();
|
|
|
|
|
|
var prepayIdPackage = prepayId.Contains("prepay_id=") ? prepayId : string.Format("prepay_id={0}", prepayId);
|
|
|
|
|
|
var sign = TenPaySignHelper.CreatePaySign(timeStamp, nonceStr, prepayIdPackage);
|
|
|
|
|
|
|
|
|
|
|
|
JsApiUiPackage jsApiUiPackage = new(appId, timeStamp, nonceStr, prepayIdPackage, sign);
|
|
|
|
|
|
return jsApiUiPackage;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
