[转载]c#实现QQ群成员列表导出及邮件群发之模拟QQ登陆 - 狼性法则 - 博客园

 1     public class HttpHelper
 2     {
 3         /// <summary>
 4         /// 获取字符流
 5         /// </summary>
 6         /// <param name="url"></param>
 7         /// <param name="cookieContainer"></param>
 8         /// <returns></returns>
 9         public static Stream GetStream(string url, CookieContainer cookieContainer)
10         {
11             HttpWebRequest httpWebRequest = null;
12             HttpWebResponse httpWebResponse = null;
13 
14             try
15             {
16                 httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
17                 httpWebRequest.CookieContainer = cookieContainer;
18                 httpWebRequest.ContentType = contentType;
19                 httpWebRequest.Referer = referer;
20                 httpWebRequest.Accept = accept;
21                 httpWebRequest.UserAgent = userAgent;
22                 httpWebRequest.Method = "GET";
23                 httpWebRequest.ServicePoint.ConnectionLimit = int.MaxValue;
24 
25                 httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
26                 Stream responseStream = httpWebResponse.GetResponseStream();
27 
28                 return responseStream;
29             }
30             catch (Exception)
31             {
32                 return null;
33             }
34 
35         }
36 
37         /// <summary>
38         /// 获取HTML
39         /// </summary>
40         /// <param name="url"></param>
41         /// <param name="cookieContainer"></param>
42         /// <returns></returns>
43         public static string GetHtml(string url, CookieContainer cookieContainer)
44         {
45             Thread.Sleep(1000);
46             HttpWebRequest httpWebRequest = null;
47             HttpWebResponse httpWebResponse = null;
48             try
49             {
50                 httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
51                 httpWebRequest.CookieContainer = cookieContainer;
52                 httpWebRequest.ContentType = contentType;
53                 httpWebRequest.Referer = referer;
54                 httpWebRequest.Accept = accept;
55                 httpWebRequest.UserAgent = userAgent;
56                 httpWebRequest.Method = "GET";
57                 httpWebRequest.ServicePoint.ConnectionLimit = int.MaxValue;
58 
59                 httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
60                 Stream responseStream = httpWebResponse.GetResponseStream();
61                 StreamReader streamReader = new StreamReader(responseStream, Encoding.UTF8);
62                 string html = streamReader.ReadToEnd();
63 
64                 streamReader.Close();
65                 responseStream.Close();
66 
67                 httpWebRequest.Abort();
68                 httpWebResponse.Close();
69 
70                 return html;
71             }
72             catch (Exception)
73             {
74                 return string.Empty;
75             }
76 
77         }
78     }

 1 public static class PasswordHelper
 2     {
 3         /// <summary>
 4         /// 根据QQ号码和验证码加密密码
 5         /// </summary>
 6         /// <param name="qqNum">QQ号码</param>
 7         /// <param name="password">QQ密码</param>
 8         /// <param name="verifycode">验证码</param>
 9         /// <returns>密码密文</returns>
10         public static string GetPassword(string qqNum, string password, string verifycode)
11         {
12             //uin为QQ号码转换为16位的16进制
13             int qq;
14             int.TryParse(qqNum, out qq);
15 
16             qqNum = qq.ToString("x");
17             qqNum = qqNum.PadLeft(16, '0');
18 
19             String P = hexchar2bin(md5(password));
20             String U = md5(P + hexchar2bin(qqNum)).ToUpper();
21             String V = md5(U + verifycode.ToUpper()).ToUpper();
22             return V;
23         }
24 
25         public static string md5(string input)
26         {
27             byte[] buffer = MD5.Create().ComputeHash(Encoding.GetEncoding("ISO-8859-1").GetBytes(input));
28             return binl2hex(buffer);
29         }
30 
31         public static string binl2hex(byte[] buffer)
32         {
33             StringBuilder builder = new StringBuilder();
34             for (int i = 0; i < buffer.Length; i++)
35             {
36                 builder.Append(buffer[i].ToString("x2"));
37             }
38             return builder.ToString();
39         }
40 
41         public static string hexchar2bin(string passWord)
42         {
43             StringBuilder builder = new StringBuilder();
44             for (int i = 0; i < passWord.Length; i = i + 2)
45             {
46                 builder.Append(Convert.ToChar(Convert.ToInt32(passWord.Substring(i, 2), 16)));
47             }
48             return builder.ToString();
49         }
50     }