using Furion.FriendlyException;
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using Furion.HttpRemote;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Options;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace FlexJobApi.Core
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{
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public class AliyunSmsUtils
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{
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private readonly IOptions<AliyunOptions> options;
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private readonly IHttpRemoteService httpRemoteService;
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private readonly IHttpContextAccessor httpContextAccessor;
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public AliyunSmsUtils(
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IOptions<AliyunOptions> options,
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IHttpRemoteService httpRemoteService,
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IHttpContextAccessor httpContextAccessor)
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{
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this.options = options;
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this.httpRemoteService = httpRemoteService;
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this.httpContextAccessor = httpContextAccessor;
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}
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/// <summary>
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/// 发送短信
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/// </summary>
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/// <param name="phoneNumber">手机号码</param>
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/// <param name="templateCode">模板代码</param>
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/// <param name="templateParam">模板参数</param>
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/// <param name="cancellationToken">取消令牌</param>
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/// <returns></returns>
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/// <exception cref="Oops"></exception>
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//public async Task SendAsync(string phoneNumber, EnumSmsTemplateType templateCode, string templateParam, CancellationToken cancellationToken)
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//{
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// if (options.Value.Sms?.Enable != true)
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// {
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// httpContextAccessor.AddAdditionalData("TemplateParam", templateParam);
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// return;
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// }
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// if (options.Value.Sms != null
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// && options.Value.Sms.Version.IsNotNull()
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// && options.Value.Sms.RegionId.IsNotNull()
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// && options.Value.Sms.SignName.IsNotNull()
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// && options.Value.AccessKeyId.IsNotNull()
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// && options.Value.AccessKeySecret.IsNotNull())
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// {
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// var _templateCode = options.Value.Sms.TemplateCodes[templateCode.ToString()];
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// var _params = new Dictionary<string, string>
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// {
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// {"Action", "SendSms"},
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// {"Version", options.Value.Sms.Version},
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// {"RegionId", options.Value.Sms.RegionId},
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// {"PhoneNumbers", phoneNumber},
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// {"SignName", options.Value.Sms.SignName},
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// {"TemplateCode", _templateCode}
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// };
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// if (!string.IsNullOrWhiteSpace(templateParam))
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// {
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// _params.Add("TemplateParam", templateParam);
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// }
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// var timestamp = DateTime.Now.ToUniversalTime()
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// .ToString("yyyy-MM-dd'T'HH:mm:ss'Z'", CultureInfo.CreateSpecificCulture("en-US"));
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// _params.Add("AccessKeyId", options.Value.AccessKeyId);
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// _params.Add("Timestamp", timestamp);
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// _params.Add("Format", "JSON");
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// _params.Add("SignatureMethod", "HMAC-SHA1");
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// _params.Add("SignatureVersion", "1.0");
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// _params.Add("SignatureNonce", Guid.NewGuid().ToString());
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// //排序
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// var sortDic = new SortedDictionary<string, string>(_params, StringComparer.Ordinal);
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// //生成Url参数
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// var urlParams = "";
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// foreach (var dic in sortDic)
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// {
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// urlParams += $"{PercentEncode(dic.Key)}={PercentEncode(dic.Value)}&";
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// }
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// urlParams = urlParams.TrimEnd('&');
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// //签名
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// var stringToSign = $"GET&{PercentEncode("/")}&{PercentEncode(urlParams)}";
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// string signature = PercentEncode(ToHmacsha1(stringToSign, options.Value.AccessKeySecret + "&"));
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// var req = $"http://dysmsapi.aliyuncs.com/?Signature={signature}&{urlParams}"
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// .SetMethod(HttpMethod.Get);
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// var res = await http.SendAsync(req, cancellationToken);
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// var callback = res.Callback?.JsonTo(new
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// {
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// Code = "",
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// Message = "",
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// RequestId = "",
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// BizId = ""
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// });
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// if (callback == null || callback.Code != "OK")
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// {
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// throw new Oops(FriendlyCallbackCode.Error, "发送短信失败", $"发送短信异常：{callback?.Message}");
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// }
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// }
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//}
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/// <summary>
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/// 排除敏感字符串
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/// </summary>
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/// <param name="value">文本</param>
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/// <returns>排除后文本</returns>
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private string PercentEncode(string value)
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{
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var stringBuilder = new StringBuilder();
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var text = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~";
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var bytes = Encoding.GetEncoding("UTF-8").GetBytes(value);
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foreach (var b in bytes)
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{
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var c = (char)b;
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if (text.IndexOf(c) >= 0)
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stringBuilder.Append(c);
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else
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stringBuilder.Append("%").Append(
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string.Format(CultureInfo.InvariantCulture, "{0:X2}", (int)c));
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}
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return stringBuilder.ToString();
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}
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/// <summary>
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/// HMAC-SHA1加密
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/// </summary>
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/// <param name="content"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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private static string ToHmacsha1(string content, string key)
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{
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var hmacsha1 = new HMACSHA1(Encoding.UTF8.GetBytes(key));
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var bytes = hmacsha1.ComputeHash(Encoding.UTF8.GetBytes(content));
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return Convert.ToBase64String(bytes);
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}
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}
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}
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