using System;
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using System.Collections.Generic;
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using System.IO;
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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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namespace DkSdkCore
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{
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public class DtkApp
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{
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private string _appKey = "";
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private string _appSecret = "";
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public DtkApp()
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{
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//if (string.IsNullOrEmpty(appKey) || string.IsNullOrEmpty(appSecret))
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//{
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// Console.WriteLine("AppKey 和 AppSecret 必填！");
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// throw new Exception("AppKey 和 AppSecret 必填！");
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//}
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//this._appKey = appKey;
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//this._appSecret = appSecret;
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this._appKey = "641129ab40767";
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this._appSecret = "337944d910dcff5ba0ad331a4694b4b5";
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}
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public string Excute<T>(IDkRequest<T> request, string version = "v1.2.4") where T:DkResponse
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{
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return Get(request.GetUrl(), request.GetParameters(),version);
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}
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public string Get(string apiUrl, ApiParameters parameters,string version = "v1.2.4")
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{
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string result2;
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try
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{
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string url = this.BuildUrl(apiUrl, version, parameters);
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using (HttpClient client = new HttpClient())
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{
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HttpResponseMessage response = client.GetAsync(url).Result;
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if (response.IsSuccessStatusCode)
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{
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Stream expr_35 = response.Content.ReadAsStreamAsync().Result;
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StreamReader expr_45 = new StreamReader(expr_35, Encoding.GetEncoding("utf-8"));
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string result = expr_45.ReadToEnd();
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expr_45.Close();
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expr_35.Close();
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result2 = result;
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}
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else
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{
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result2 = response.StatusCode.ToString();
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}
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}
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}
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catch (Exception arg_7E_0)
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{
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result2 = arg_7E_0.Message;
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}
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return result2;
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}
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private string BuildUrl(string apiUrl, string version, ApiParameters parameters)
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{
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int nonce;
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string timer;
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string sign = this.MakeSign(out nonce, out timer);
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if (sign == "")
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{
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return "";
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}
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string url = string.Concat(new string[]
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{
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apiUrl.Trim(),
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"?appKey=",
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this._appKey.Trim(),
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"&nonce=",
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nonce.ToString(),
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"&signRan=",
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sign,
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"&version=",
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version.Trim(),
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"&timer=",
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timer
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});
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if (parameters.Value.Count <= 0)
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{
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return url;
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}
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for (int i = 0; i <= parameters.Value.Count - 1; i++)
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{
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url += string.Format("&{0}={1}", parameters.Value[i].Key, parameters.Value[i].Value);
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}
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return url;
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}
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private string MakeSign(out int nonce, out string timer)
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{
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Random rd = new Random();
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nonce = rd.Next(100000, 1000000);
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timer = DtkApp.GetTimeStamp();
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string result;
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try
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{
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result = DtkApp.Md5(string.Format("appKey={0}&timer={1}&nonce={2}&key={3}", new object[]
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{
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this._appKey,
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timer,
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nonce,
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this._appSecret
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})).ToUpper();
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}
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catch (Exception)
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{
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result = "";
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}
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return result;
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}
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private static string GetTimeStamp()
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{
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return Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds).ToString();
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}
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private static string Md5(string value)
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{
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string result = string.Empty;
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if (string.IsNullOrEmpty(value))
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{
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return result;
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}
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using (MD5 md5 = MD5.Create())
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{
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result = DtkApp.GetMd5Hash(md5, value);
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}
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return result;
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}
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private static string GetMd5Hash(MD5 md5Hash, string input)
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{
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byte[] arg_17_0 = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(input));
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StringBuilder sBuilder = new StringBuilder();
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byte[] array = arg_17_0;
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for (int i = 0; i < array.Length; i++)
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{
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byte t = array[i];
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sBuilder.Append(t.ToString("x2"));
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}
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return sBuilder.ToString();
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}
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private static bool VerifyMd5Hash(MD5 md5Hash, string input, string hash)
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{
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string hashOfInput = DtkApp.GetMd5Hash(md5Hash, input);
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StringComparer comparer = StringComparer.OrdinalIgnoreCase;
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return comparer.Compare(hashOfInput, hash) == 0;
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}
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}
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}
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