feat: finalize core modules and gateway
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using System.Net.Http;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using TakeoutSaaS.Module.Sms.Abstractions;
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using TakeoutSaaS.Module.Sms.Models;
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using TakeoutSaaS.Module.Sms.Options;
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namespace TakeoutSaaS.Module.Sms.Services;
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/// <summary>
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/// 阿里云短信发送实现（简化版，占位可扩展正式签名流程）。
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/// </summary>
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public sealed class AliyunSmsSender(IHttpClientFactory httpClientFactory, IOptionsMonitor<SmsOptions> optionsMonitor, ILogger<AliyunSmsSender> logger)
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: ISmsSender
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{
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private readonly IHttpClientFactory _httpClientFactory = httpClientFactory;
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/// <inheritdoc />
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public SmsProviderKind Provider => SmsProviderKind.Aliyun;
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/// <inheritdoc />
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public Task<SmsSendResult> SendAsync(SmsSendRequest request, CancellationToken cancellationToken = default)
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{
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var options = optionsMonitor.CurrentValue;
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if (options.UseMock)
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{
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logger.LogInformation("Mock 发送阿里云短信到 {Phone}, Template:{Template}", request.PhoneNumber, request.TemplateCode);
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return Task.FromResult(new SmsSendResult { Success = true, Message = "Mocked" });
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}
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// 占位：保留待接入阿里云正式签名流程，当前返回未实现。
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logger.LogWarning("阿里云短信尚未启用，请配置腾讯云或开启 UseMock。");
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return Task.FromResult(new SmsSendResult { Success = false, Message = "Aliyun SMS not enabled" });
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}
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}
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@@ -0,0 +1,28 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Microsoft.Extensions.Options;
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using TakeoutSaaS.Module.Sms.Abstractions;
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using TakeoutSaaS.Module.Sms.Options;
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namespace TakeoutSaaS.Module.Sms.Services;
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/// <summary>
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/// 短信服务商解析器。
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/// </summary>
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public sealed class SmsSenderResolver(IOptionsMonitor<SmsOptions> optionsMonitor, IEnumerable<ISmsSender> senders) : ISmsSenderResolver
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{
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private readonly IReadOnlyDictionary<SmsProviderKind, ISmsSender> _map = senders.ToDictionary(x => x.Provider);
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/// <inheritdoc />
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public ISmsSender Resolve(SmsProviderKind? provider = null)
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{
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var key = provider ?? optionsMonitor.CurrentValue.Provider;
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if (_map.TryGetValue(key, out var sender))
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{
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return sender;
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}
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throw new InvalidOperationException($"未注册短信服务商：{key}");
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}
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}
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136
src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs
Normal file
136
src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs
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using System.Globalization;
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using System.Net.Http;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.Json;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using TakeoutSaaS.Module.Sms.Abstractions;
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using TakeoutSaaS.Module.Sms.Models;
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using TakeoutSaaS.Module.Sms.Options;
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namespace TakeoutSaaS.Module.Sms.Services;
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/// <summary>
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/// 腾讯云短信发送实现（TC3-HMAC 签名）。
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/// </summary>
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public sealed class TencentSmsSender(IHttpClientFactory httpClientFactory, IOptionsMonitor<SmsOptions> optionsMonitor, ILogger<TencentSmsSender> logger)
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: ISmsSender
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{
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private const string Service = "sms";
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private const string Action = "SendSms";
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private const string Version = "2021-01-11";
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/// <inheritdoc />
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public SmsProviderKind Provider => SmsProviderKind.Tencent;
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/// <inheritdoc />
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public async Task<SmsSendResult> SendAsync(SmsSendRequest request, CancellationToken cancellationToken = default)
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{
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var options = optionsMonitor.CurrentValue;
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if (options.UseMock)
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{
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logger.LogInformation("Mock 发送短信到 {Phone}, Template:{Template}, Vars:{Vars}", request.PhoneNumber, request.TemplateCode, JsonSerializer.Serialize(request.Variables));
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return new SmsSendResult { Success = true, Message = "Mocked" };
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}
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var tencent = options.Tencent;
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var payload = BuildPayload(request, tencent);
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var timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
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var date = DateTimeOffset.FromUnixTimeSeconds(timestamp).UtcDateTime.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture);
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var host = new Uri(tencent.Endpoint).Host;
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var canonicalRequest = BuildCanonicalRequest(payload, host, tencent.Endpoint.StartsWith("https", StringComparison.OrdinalIgnoreCase));
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var stringToSign = BuildStringToSign(canonicalRequest, timestamp, date);
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var signature = Sign(stringToSign, tencent.SecretKey, date);
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using var httpClient = httpClientFactory.CreateClient(nameof(TencentSmsSender));
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using var httpRequest = new HttpRequestMessage(HttpMethod.Post, tencent.Endpoint)
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{
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Content = new StringContent(payload, Encoding.UTF8, "application/json")
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};
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httpRequest.Headers.Add("Host", host);
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httpRequest.Headers.Add("X-TC-Action", Action);
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httpRequest.Headers.Add("X-TC-Version", Version);
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httpRequest.Headers.Add("X-TC-Timestamp", timestamp.ToString(CultureInfo.InvariantCulture));
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httpRequest.Headers.Add("X-TC-Region", tencent.Region);
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httpRequest.Headers.Add("Authorization",
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$"TC3-HMAC-SHA256 Credential={tencent.SecretId}/{date}/{Service}/tc3_request, SignedHeaders=content-type;host, Signature={signature}");
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var response = await httpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
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var content = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
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if (!response.IsSuccessStatusCode)
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{
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logger.LogWarning("腾讯云短信发送失败：{Status} {Content}", response.StatusCode, content);
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return new SmsSendResult { Success = false, Message = content };
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}
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using var doc = JsonDocument.Parse(content);
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var root = doc.RootElement.GetProperty("Response");
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var status = root.GetProperty("SendStatusSet")[0];
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var code = status.GetProperty("Code").GetString();
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var message = status.GetProperty("Message").GetString();
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var requestId = root.GetProperty("RequestId").GetString();
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var success = string.Equals(code, "Ok", StringComparison.OrdinalIgnoreCase);
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return new SmsSendResult
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{
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Success = success,
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RequestId = requestId,
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Message = message
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};
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}
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private static string BuildPayload(SmsSendRequest request, TencentSmsOptions options)
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{
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var payload = new
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{
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PhoneNumberSet = new[] { request.PhoneNumber },
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SmsSdkAppId = options.SdkAppId,
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SignName = request.SignName ?? options.SignName,
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TemplateId = request.TemplateCode,
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TemplateParamSet = request.Variables.Values.ToArray()
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};
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return JsonSerializer.Serialize(payload);
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}
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private static string BuildCanonicalRequest(string payload, string host, bool useHttps)
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{
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_ = useHttps;
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var hashedPayload = HashSha256(payload);
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var canonicalHeaders = $"content-type:application/json\nhost:{host}\n";
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return $"POST\n/\n\n{canonicalHeaders}\ncontent-type;host\n{hashedPayload}";
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}
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private static string BuildStringToSign(string canonicalRequest, long timestamp, string date)
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{
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var hashedRequest = HashSha256(canonicalRequest);
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return $"TC3-HMAC-SHA256\n{timestamp}\n{date}/{Service}/tc3_request\n{hashedRequest}";
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}
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private static string Sign(string stringToSign, string secretKey, string date)
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{
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static byte[] HmacSha256(byte[] key, string msg) => new HMACSHA256(key).ComputeHash(Encoding.UTF8.GetBytes(msg));
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var secretDate = HmacSha256(Encoding.UTF8.GetBytes($"TC3{secretKey}"), date);
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var secretService = HmacSha256(secretDate, Service);
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var secretSigning = HmacSha256(secretService, "tc3_request");
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var signatureBytes = new HMACSHA256(secretSigning).ComputeHash(Encoding.UTF8.GetBytes(stringToSign));
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return Convert.ToHexString(signatureBytes).ToLowerInvariant();
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}
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private static string HashSha256(string raw)
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{
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var bytes = SHA256.HashData(Encoding.UTF8.GetBytes(raw));
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var builder = new StringBuilder(bytes.Length * 2);
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foreach (var b in bytes)
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{
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builder.Append(b.ToString("x2", CultureInfo.InvariantCulture));
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}
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return builder.ToString();
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}
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}
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