32aae40b12
- BceSigner: BCE v1 签名算法（HMAC-SHA256），与 baidubce-sdk 输出 byte-for-byte 一致 - BceSmsClient: HttpClient 直连百度云 SMS v3 API，自写签名，无第三方 SDK - BceSignerTests: 7 个单测，包括真实 AK/SK 对比百度 SDK debug 输出 暂未启用：SmsService 仍为开发桩，等签名运营商实名报备后接入真实发送
65 lines
2.5 KiB
C#
65 lines
2.5 KiB
C#
using System.Globalization;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Logging;
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namespace Health.Infrastructure.Services;
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/// <summary>
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/// 百度云 SMS v3 短信发送客户端（HttpClient 直连 + BCE v1 签名）
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/// </summary>
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public sealed class BceSmsClient(HttpClient http, IConfiguration cfg, ILogger<BceSmsClient> log)
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{
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private const string Path = "/api/v3/sendSms";
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private const string ContentType = "application/json; charset=utf-8";
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private readonly HttpClient _http = http;
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private readonly ILogger<BceSmsClient> _log = log;
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private readonly string _ak = cfg["BAIDU_SMS_AK"] ?? "";
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private readonly string _sk = cfg["BAIDU_SMS_SK"] ?? "";
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private readonly string _host = cfg["BAIDU_SMS_HOST"] ?? "smsv3.bj.baidubce.com";
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private readonly string _signatureId = cfg["BAIDU_SMS_SIGNATURE_ID"] ?? "";
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private readonly string _templateId = cfg["BAIDU_SMS_TEMPLATE_ID"] ?? "";
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public async Task<bool> SendAsync(string phone, string code, CancellationToken ct)
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{
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var payload = new
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{
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mobile = $"+86{phone}",
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template = _templateId,
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signatureId = _signatureId,
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contentVar = new { SMSvCode = code }
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};
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var body = Encoding.UTF8.GetBytes(JsonSerializer.Serialize(payload));
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using var req = new HttpRequestMessage(HttpMethod.Post, Path)
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{
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Content = new ByteArrayContent(body)
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};
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req.Content.Headers.TryAddWithoutValidation("Content-Type", ContentType);
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req.Headers.Host = _host;
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var now = DateTime.UtcNow;
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var timestamp = now.ToString("yyyy-MM-ddTHH:mm:ss'Z'", CultureInfo.InvariantCulture);
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req.Headers.Add("x-bce-date", timestamp);
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var auth = BceSigner.BuildAuthorization(_ak, _sk, "POST", Path, _host, now, body.Length, ContentType);
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req.Headers.TryAddWithoutValidation("Authorization", auth);
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using var resp = await _http.SendAsync(req, ct);
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var respBody = await resp.Content.ReadAsStringAsync(ct);
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if (!resp.IsSuccessStatusCode)
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{
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_log.LogError("百度短信发送失败 HTTP {Status}: {Body}", resp.StatusCode, respBody);
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return false;
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}
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using var doc = JsonDocument.Parse(respBody);
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var respCode = doc.RootElement.GetProperty("code").GetString();
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if (respCode != "1000")
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{
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_log.LogError("百度短信发送失败 code={Code}: {Body}", respCode, respBody);
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return false;
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}
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return true;
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}
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}
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