1 using System;
  2 using System.Collections.Generic;
  3 using System.IO;
  4 using System.Linq;
  5 using System.Net;
  6 using System.Web;
  7 
  8 namespace DuoShuo.SDK.Partial
  9 {
 10     /// <summary>
 11     /// 多说POST请求的帮助类，主要解释了array参数的拼接格式和JWT的设置
 12     /// </summary>
 13     /// <author>
 14     /// Parry
 15     /// Mail: qiupengyuan@gmail.com
 16     /// Blog: http://www.cnblogs.com/parry
 17     /// </author>
 18     public class DuoShuoHelper
 19     {
 20         #region POST数据
 21 
 22         /// <summary>
 23         /// POST数据到多说的API接口
 24         /// </summary>
 25         /// <summary>http://dev.duoshuo.com/docs/51435552047fe92f490225de</summary>
 26         /// <param name="apiUrl">接口的URL，如http://api.duoshuo.com/users/import.json</param>
 27         /// <param name="prePostData">不包含array参数的前置数据，类似：short_name=当前站点注册的多说二级域名&secret=站点多说密钥</param>
 28         /// <param name="arrayName">array形式的参数的名称，如users</param>
 29         /// <param name="arrayPostData">array形式的参数数据</param>
 30         /// <returns>接口返回的字符串</returns>
 31         /// <example>
 32         /// 注意array参数，在.NET下可以使用HashTable或者Dictionary实现
 33         /// 如：
 34         /// Dictionary<string, object> arrayPostData = new Dictionary<string, object>();
 35         /// arrayPostData.Add("user_key", 1);
 36         /// arrayPostData.Add("name", "Parry");
 37         /// arrayPostData.Add("role", "user");
 38         /// arrayPostData.Add("avatar_url", "");
 39         /// arrayPostData.Add("url", "");
 40         /// arrayPostData.Add("email", "");
 41         /// arrayPostData.Add("created_at", DateTime.Now.ToString("yyyy-mm-dd hh:MM:ss"));
 42         /// </example>
 43         /// <remarks>注意：此方法只处理了一个arrayPostData的情况，多个数组的形式请自行修改</remarks>
 44         public string HttpPostData(string apiUrl, string prePostData, string arrayName, Dictionary<string, object> arrayPostData)
 45         {
 46             var webRequest = WebRequest.Create(apiUrl) as HttpWebRequest;
 47             if (webRequest != null)
 48             {
 49                 webRequest.Method = "post";
 50                 webRequest.ContentType = "application/x-www-form-urlencoded";
 51 
 52                 //postData赋值
 53                 var postData = prePostData + "&" + string.Join("&", arrayPostData.Select(keyValuePair => string.Format("{0}[0][{1}]={2}", arrayName, keyValuePair.Key, keyValuePair.Value)).ToArray());
 54 
 55                 ////使用非LINQ实现postData赋值
 56                 //var listJoinArrayParamemter = new List<string>();
 57                 //foreach (KeyValuePair<string, object> keyValuePair in arrayPostData)
 58                 //{
 59                 //    listJoinArrayParamemter.Add(string.Format("users[0][{0}]={1}", keyValuePair.Key, keyValuePair.Value));
 60                 //}
 61                 //var postData = prePostData + "&" + string.Join("&", listJoinArrayParamemter.ToArray());
 62 
 63                 using (var sw = new StreamWriter(webRequest.GetRequestStream()))
 64                 {
 65                     sw.Write(postData);
 66                 }
 67 
 68                 using (var response = webRequest.GetResponse())
 69                 {
 70                     var stream = response.GetResponseStream();
 71                     if (stream == null) return string.Empty;
 72                     using (var sr = new StreamReader(stream))
 73                     {
 74                         return sr.ReadToEnd();
 75                     }
 76                 }
 77             }
 78             return string.Empty;
 79         }
 80 
 81         #endregion
 82 
 83         #region 多说本地身份说明(JWT)
 84 
 85         /// <summary>
 86         /// 设置多说本地身份说明(JWT)
 87         /// </summary>
 88         /// <summary>http://dev.duoshuo.com/docs/501e6ce1cff715f71800000d</summary>
 89         /// <param name="secretKey">站点多说密钥</param>
 90         /// <param name="shortName">当前站点注册的多说二级域名</param>
 91         /// <param name="userKey">用户在当前站点中对应的唯一标示，通常是用户ID</param>
 92         /// <param name="name">用户在当前网站的用户名</param>
 93         public void SetLocalJwt(string secretKey, string shortName, string userKey, string name)
 94         {
 95             var array = new Dictionary<string, object>
 96             {
 97                 {"short_name", shortName},
 98                 {"user_key", userKey},
 99                 {"name", name}
100             };
101             string token = JsonWebToken.Encode(array, secretKey, JwtHashAlgorithm.HS256);
102             //cookie设置了一年过期
103             var cookie = new HttpCookie("duoshuo_token") { Value = token, Expires = DateTime.Now.AddDays(365) };
104             HttpContext.Current.Response.Cookies.Add(cookie);
105         }
106 
107         #endregion
108 
109     }
110 }