mirror of
https://gitee.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat.git
synced 2025-12-19 19:47:06 +08:00
feat(tenpaybusiness): 基于 ErroredResult 改造验签相关扩展方法
This commit is contained in:
Fu Diwei
@@ -2,6 +2,8 @@ using System;
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namespace SKIT.FlurlHttpClient.Wechat.TenpayBusiness
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{
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using SKIT.FlurlHttpClient.Primitives;
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public static class WechatTenpayBusinessClientEventVerificationExtensions
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{
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/// <summary>
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@@ -11,84 +13,14 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayBusiness
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/// <param name="webhookAuthorization"></param>
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/// <param name="webhookBody"></param>
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/// <returns></returns>
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public static bool VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookAuthorization, string webhookBody)
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{
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return VerifyEventSignature(client, webhookAuthorization, webhookBody, out _);
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}
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/// <summary>
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/// <para>验证回调通知事件签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="webhookAuthorization"></param>
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/// <param name="webhookBody"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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public static bool VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookAuthorization, string webhookBody, out Exception? error)
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public static ErroredResult VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookAuthorization, string webhookBody)
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{
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if (client is null) throw new ArgumentNullException(nameof(client));
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if (webhookAuthorization is null) throw new ArgumentNullException(nameof(webhookAuthorization));
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if (webhookBody is null) throw new ArgumentNullException(nameof(webhookBody));
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bool ret = WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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return WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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client,
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strAuthorization: webhookAuthorization,
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strContent: webhookBody,
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out error
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);
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if (!ret)
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error ??= new Exception($"Failed to verify webhook event. Maybe the raw signature is invalid.");
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return ret;
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}
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/// <summary>
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/// <para>验证回调通知事件签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="webhookTimestamp"></param>
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/// <param name="webhookNonce">。</param>
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/// <param name="webhookBody"></param>
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/// <param name="webhookSignature"></param>
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/// <param name="webhookSerialNumber"></param>
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/// <returns></returns>
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public static bool VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookTimestamp, string webhookNonce, string webhookBody, string webhookSignature, string webhookSerialNumber)
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{
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return VerifyEventSignature(
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client,
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webhookTimestamp: webhookTimestamp,
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webhookNonce: webhookNonce,
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webhookBody: webhookBody,
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webhookSignature: webhookSignature,
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webhookSignatureAlgorithm: Constants.SignAlgorithms.SHA256_WITH_RSA,
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webhookSerialNumber: webhookSerialNumber,
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out _
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);
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}
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/// <summary>
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/// <para>验证回调通知事件签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="webhookTimestamp"></param>
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/// <param name="webhookNonce">。</param>
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/// <param name="webhookBody"></param>
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/// <param name="webhookSignature"></param>
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/// <param name="webhookSignatureAlgorithm"></param>
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/// <param name="webhookSerialNumber"></param>
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/// <returns></returns>
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public static bool VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookTimestamp, string webhookNonce, string webhookBody, string webhookSignature, string webhookSignatureAlgorithm, string webhookSerialNumber)
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{
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return VerifyEventSignature(
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client,
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webhookTimestamp: webhookTimestamp,
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webhookNonce: webhookNonce,
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webhookBody: webhookBody,
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webhookSignature: webhookSignature,
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webhookSignatureAlgorithm: webhookSignatureAlgorithm,
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webhookSerialNumber: webhookSerialNumber,
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out _
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strContent: webhookBody
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);
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}
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@@ -101,55 +33,46 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayBusiness
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/// <param name="webhookBody"></param>
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/// <param name="webhookSignature"></param>
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/// <param name="webhookSerialNumber"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentNullException"></exception>
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public static bool VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookTimestamp, string webhookNonce, string webhookBody, string webhookSignature, string webhookSerialNumber, out Exception? error)
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{
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return VerifyEventSignature(
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client,
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webhookTimestamp: webhookTimestamp,
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webhookNonce: webhookNonce,
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webhookBody: webhookBody,
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webhookSignature: webhookSignature,
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webhookSignatureAlgorithm: Constants.SignAlgorithms.SHA256_WITH_RSA,
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webhookSerialNumber: webhookSerialNumber,
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out error
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);
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}
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/// <summary>
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/// <para>验证回调通知事件签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="webhookTimestamp"></param>
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/// <param name="webhookNonce">。</param>
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/// <param name="webhookBody"></param>
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/// <param name="webhookSignature"></param>
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/// <param name="webhookSignatureAlgorithm"></param>
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/// <param name="webhookSerialNumber"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentNullException"></exception>
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public static bool VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookTimestamp, string webhookNonce, string webhookBody, string webhookSignature, string webhookSignatureAlgorithm, string webhookSerialNumber, out Exception? error)
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public static ErroredResult VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookTimestamp, string webhookNonce, string webhookBody, string webhookSignature, string webhookSerialNumber)
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{
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if (client is null) throw new ArgumentNullException(nameof(client));
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bool ret = WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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return VerifyEventSignature(
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client,
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webhookTimestamp: webhookTimestamp,
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webhookNonce: webhookNonce,
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webhookBody: webhookBody,
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webhookSignature: webhookSignature,
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webhookSignatureAlgorithm: Constants.SignAlgorithms.SHA256_WITH_RSA,
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webhookSerialNumber: webhookSerialNumber
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);
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}
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/// <summary>
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/// <para>验证回调通知事件签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="webhookTimestamp"></param>
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/// <param name="webhookNonce">。</param>
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/// <param name="webhookBody"></param>
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/// <param name="webhookSignature"></param>
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/// <param name="webhookSignatureAlgorithm"></param>
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/// <param name="webhookSerialNumber"></param>
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/// <returns></returns>
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public static ErroredResult VerifyEventSignature(this WechatTenpayBusinessClient client, string webhookTimestamp, string webhookNonce, string webhookBody, string webhookSignature, string webhookSignatureAlgorithm, string webhookSerialNumber)
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{
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if (client is null) throw new ArgumentNullException(nameof(client));
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return WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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client,
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strTimestamp: webhookTimestamp,
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strNonce: webhookNonce,
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strContent: webhookBody,
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strSignature: webhookSignature,
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strSignatureAlgorithm: webhookSignatureAlgorithm,
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strSerialNumber: webhookSerialNumber,
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out error
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strSerialNumber: webhookSerialNumber
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);
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if (!ret)
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error ??= new Exception($"Failed to verify webhook event. Maybe the raw signature \"{webhookSignature}\" is invalid.");
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return ret;
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}
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}
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}
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@@ -3,6 +3,8 @@ using System.Text;
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namespace SKIT.FlurlHttpClient.Wechat.TenpayBusiness
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{
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using SKIT.FlurlHttpClient.Primitives;
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public static class WechatTenpayBusinessClientResponseVerificationExtensions
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{
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/// <summary>
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@@ -12,86 +14,15 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayBusiness
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/// <param name="client"></param>
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/// <param name="response"></param>
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/// <returns></returns>
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public static bool VerifyResponseSignature<TResponse>(this WechatTenpayBusinessClient client, TResponse response)
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where TResponse : WechatTenpayBusinessResponse
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{
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return VerifyResponseSignature(client, response, out _);
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}
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/// <summary>
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/// <para>验证响应签名。</para>
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/// </summary>
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/// <typeparam name="TResponse"></typeparam>
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/// <param name="client"></param>
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/// <param name="response"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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public static bool VerifyResponseSignature<TResponse>(this WechatTenpayBusinessClient client, TResponse response, out Exception? error)
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public static ErroredResult VerifyResponseSignature<TResponse>(this WechatTenpayBusinessClient client, TResponse response)
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where TResponse : WechatTenpayBusinessResponse
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{
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if (client is null) throw new ArgumentNullException(nameof(client));
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bool ret = WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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return WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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client,
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strAuthorization: response.GetRawHeaders().GetFirstValueOrEmpty("TBEP-Authorization"),
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strContent: Encoding.UTF8.GetString(response.GetRawBytes()),
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out error
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);
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if (error is not null)
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{
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error = new WechatTenpayBusinessException("Verify signature of response failed. Please see the inner exception for more details.", error);
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}
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return ret;
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}
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/// <summary>
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/// <para>验证响应签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="responseTimestamp"></param>
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/// <param name="responseNonce">。</param>
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/// <param name="responseBody"></param>
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/// <param name="responseSignature"></param>
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/// <param name="responseSerialNumber"></param>
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/// <returns></returns>
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public static bool VerifyResponseSignature(this WechatTenpayBusinessClient client, string responseTimestamp, string responseNonce, string responseBody, string responseSignature, string responseSerialNumber)
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{
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return VerifyResponseSignature(
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client,
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responseTimestamp: responseTimestamp,
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responseNonce: responseNonce,
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responseBody: responseBody,
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responseSignature: responseSignature,
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responseSignatureAlgorithm: Constants.SignAlgorithms.SHA256_WITH_RSA,
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responseSerialNumber: responseSerialNumber,
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out _
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);
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}
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/// <summary>
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/// <para>验证响应签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="responseTimestamp"></param>
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/// <param name="responseNonce">。</param>
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/// <param name="responseBody"></param>
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/// <param name="responseSignature"></param>
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/// <param name="responseSignatureAlgorithm"></param>
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/// <param name="responseSerialNumber"></param>
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/// <returns></returns>
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public static bool VerifyResponseSignature(this WechatTenpayBusinessClient client, string responseTimestamp, string responseNonce, string responseBody, string responseSignature, string responseSignatureAlgorithm, string responseSerialNumber)
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{
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return VerifyResponseSignature(
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client,
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responseTimestamp: responseTimestamp,
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responseNonce: responseNonce,
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responseBody: responseBody,
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responseSignature: responseSignature,
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responseSignatureAlgorithm: responseSignatureAlgorithm,
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responseSerialNumber: responseSerialNumber,
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out _
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strContent: Encoding.UTF8.GetString(response.GetRawBytes())
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);
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}
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@@ -104,53 +35,46 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayBusiness
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/// <param name="responseBody"></param>
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/// <param name="responseSignature"></param>
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/// <param name="responseSerialNumber"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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public static bool VerifyResponseSignature(this WechatTenpayBusinessClient client, string responseTimestamp, string responseNonce, string responseBody, string responseSignature, string responseSerialNumber, out Exception? error)
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{
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return VerifyResponseSignature(
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client,
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responseTimestamp: responseTimestamp,
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responseNonce: responseNonce,
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responseBody: responseBody,
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responseSignature: responseSignature,
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responseSignatureAlgorithm: Constants.SignAlgorithms.SHA256_WITH_RSA,
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responseSerialNumber: responseSerialNumber,
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out error
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);
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}
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/// <summary>
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/// <para>验证响应签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="responseTimestamp"></param>
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/// <param name="responseNonce">。</param>
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/// <param name="responseBody"></param>
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/// <param name="responseSignature"></param>
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/// <param name="responseSignatureAlgorithm"></param>
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/// <param name="responseSerialNumber"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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public static bool VerifyResponseSignature(this WechatTenpayBusinessClient client, string responseTimestamp, string responseNonce, string responseBody, string responseSignature, string responseSignatureAlgorithm, string responseSerialNumber, out Exception? error)
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public static ErroredResult VerifyResponseSignature(this WechatTenpayBusinessClient client, string responseTimestamp, string responseNonce, string responseBody, string responseSignature, string responseSerialNumber)
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{
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if (client is null) throw new ArgumentNullException(nameof(client));
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bool ret = WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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return VerifyResponseSignature(
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client,
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responseTimestamp: responseTimestamp,
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responseNonce: responseNonce,
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responseBody: responseBody,
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responseSignature: responseSignature,
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responseSignatureAlgorithm: Constants.SignAlgorithms.SHA256_WITH_RSA,
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responseSerialNumber: responseSerialNumber
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);
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}
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/// <summary>
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/// <para>验证响应签名。</para>
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/// </summary>
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/// <param name="client"></param>
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/// <param name="responseTimestamp"></param>
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/// <param name="responseNonce">。</param>
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/// <param name="responseBody"></param>
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/// <param name="responseSignature"></param>
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/// <param name="responseSignatureAlgorithm"></param>
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/// <param name="responseSerialNumber"></param>
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/// <returns></returns>
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public static ErroredResult VerifyResponseSignature(this WechatTenpayBusinessClient client, string responseTimestamp, string responseNonce, string responseBody, string responseSignature, string responseSignatureAlgorithm, string responseSerialNumber)
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{
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if (client is null) throw new ArgumentNullException(nameof(client));
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return WechatTenpayBusinessClientSigningExtensions.VerifySignature(
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client,
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strTimestamp: responseTimestamp,
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strNonce: responseNonce,
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strContent: responseBody,
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strSignature: responseSignature,
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strSignatureAlgorithm: responseSignatureAlgorithm,
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strSerialNumber: responseSerialNumber,
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out error
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strSerialNumber: responseSerialNumber
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);
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if (!ret)
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error ??= new Exception($"Failed to verify response. Maybe the raw signature \"{responseSignature}\" is invalid.");
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return ret;
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}
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}
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}
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@@ -8,90 +8,86 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayBusiness
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internal static class WechatTenpayBusinessClientSigningExtensions
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{
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public static bool VerifySignature(this WechatTenpayBusinessClient client, string strAuthorization, string strContent, out Exception? error)
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public static ErroredResult VerifySignature(this WechatTenpayBusinessClient client, string strAuthorization, string strContent)
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{
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if (!string.IsNullOrEmpty(strAuthorization))
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{
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try
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{
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IDictionary<string, string?> dictAuthorization = strAuthorization
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.Split(',')
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.Select(s => s.Trim().Split(new char[] { '=' }, 2, StringSplitOptions.RemoveEmptyEntries))
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.ToDictionary(
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k => k[0],
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v => v.Length > 1 ? v[1].TrimStart('\"').TrimEnd('\"') : null
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);
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string strTimestamp = dictAuthorization.GetValueOrDefault("timestamp")!;
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string strNonce = dictAuthorization.GetValueOrDefault("nonce")!;
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string strSignature = dictAuthorization.GetValueOrDefault("signature")!;
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string strSignAlgorithm = dictAuthorization.GetValueOrDefault("signature_algorithm")!;
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string strSerialNumber = dictAuthorization.GetValueOrDefault("tbep_serial_number")!;
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ErroredResult result;
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return VerifySignature(
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client,
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strTimestamp: strTimestamp,
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strNonce: strNonce,
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strContent: strContent,
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strSignature: strSignature,
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strSignatureAlgorithm: strSignAlgorithm,
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strSerialNumber: strSerialNumber,
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out error
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try
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{
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IDictionary<string, string?> dictAuthorization = strAuthorization
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.Split(',')
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.Select(s => s.Trim().Split(new char[] { '=' }, 2, StringSplitOptions.RemoveEmptyEntries))
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.ToDictionary(
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k => k[0],
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v => v.Length > 1 ? v[1].TrimStart('\"').TrimEnd('\"') : null
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);
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}
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catch (Exception ex)
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{
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error = ex;
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return false;
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}
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string strTimestamp = dictAuthorization.GetValueOrDefault("timestamp")!;
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string strNonce = dictAuthorization.GetValueOrDefault("nonce")!;
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string strSignature = dictAuthorization.GetValueOrDefault("signature")!;
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string strSignAlgorithm = dictAuthorization.GetValueOrDefault("signature_algorithm")!;
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string strSerialNumber = dictAuthorization.GetValueOrDefault("tbep_serial_number")!;
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result = VerifySignature(
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client,
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strTimestamp: strTimestamp,
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strNonce: strNonce,
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strContent: strContent,
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strSignature: strSignature,
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strSignatureAlgorithm: strSignAlgorithm,
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strSerialNumber: strSerialNumber
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);
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}
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catch (Exception ex)
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{
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result = ErroredResult.Fail(ex);
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}
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error = new Exception("The value of \"TBEP-Authorization\" is empty.");
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return false;
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return result;
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}
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public static bool VerifySignature(this WechatTenpayBusinessClient client, string strTimestamp, string strNonce, string strContent, string strSignature, string strSignatureAlgorithm, string strSerialNumber, out Exception? error)
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public static ErroredResult VerifySignature(this WechatTenpayBusinessClient client, string strTimestamp, string strNonce, string strContent, string strSignature, string strSignatureAlgorithm, string strSerialNumber)
|
||||
{
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if (client is null) throw new ArgumentNullException(nameof(client));
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ErroredResult result;
|
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|
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switch (strSignatureAlgorithm)
|
||||
{
|
||||
case Constants.SignAlgorithms.SHA256_WITH_RSA:
|
||||
{
|
||||
if (client.Credentials.TBEPCertificateSerialNumber is not null &&
|
||||
client.Credentials.TBEPCertificatePublicKey is not null)
|
||||
try
|
||||
{
|
||||
try
|
||||
if (!string.Equals(client.Credentials.TBEPCertificateSerialNumber, strSerialNumber))
|
||||
{
|
||||
if (!string.Equals(client.Credentials.TBEPCertificateSerialNumber, strSerialNumber))
|
||||
{
|
||||
error = new Exception($"There is no TBEP public key matched the serial number \"{strSerialNumber}\".");
|
||||
return false;
|
||||
}
|
||||
result = ErroredResult.Fail(new Exception($"There is no TBEP public key matched the serial number \"{strSerialNumber}\"."));
|
||||
break;
|
||||
}
|
||||
|
||||
error = null;
|
||||
return Utilities.RSAUtility.Verify(
|
||||
publicKeyPem: client.Credentials.TBEPCertificatePublicKey,
|
||||
message: GenerateMessageForSignature(timestamp: strTimestamp, nonce: strNonce, body: strContent),
|
||||
encodingSignature: new EncodedString(strSignature, EncodingKinds.Base64)
|
||||
);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
error = ex;
|
||||
return false;
|
||||
}
|
||||
bool valid = Utilities.RSAUtility.Verify(
|
||||
publicKeyPem: client.Credentials.TBEPCertificatePublicKey,
|
||||
message: GenerateMessageForSignature(timestamp: strTimestamp, nonce: strNonce, body: strContent),
|
||||
encodingSignature: new EncodedString(strSignature, EncodingKinds.Base64)
|
||||
);
|
||||
if (valid)
|
||||
result = ErroredResult.Ok();
|
||||
else
|
||||
result = ErroredResult.Fail(new Exception($"Signature does not match. Maybe \"{strSignature}\" is an illegal signature."));
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
result = ErroredResult.Fail(ex);
|
||||
}
|
||||
|
||||
error = new Exception("There is no TBEP public key or serial number.");
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
{
|
||||
error = new Exception($"Unsupported sign algorithm: \"{strSignatureAlgorithm}\".");
|
||||
return false;
|
||||
result = ErroredResult.Fail(new Exception($"Unsupported sign algorithm: \"{strSignatureAlgorithm}\"."));
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private static string GenerateMessageForSignature(string timestamp, string nonce, string body)
|
||||
|
||||
Reference in New Issue
Block a user