C# Socket 实现的淘宝秒杀器（抢拍器）

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.IO;
using System.Text.RegularExpressions;

public partial class MiaoSha : System.Web.UI.Page
{
string strServer = string.Empty;
string strPath = string.Empty;

protected void Page_Load(object sender, EventArgs e)
{

}

public static String Recv(Socket sock, Encoding encode)
{
Byte[] buffer = new Byte[8192];
StringBuilder sb = new StringBuilder();

Thread.Sleep(50);//根据页面响应时间进行微调
Int32 len = sock.Receive(buffer);
sb.Append(encode.GetString(buffer, 0, len));

while (sock.Available > 0)
{
Thread.Sleep(300);//也可以视情况微调
Array.Clear(buffer, 0, buffer.Length);
len = sock.Receive(buffer);
sb.Append(encode.GetString(buffer, 0, len));
string ss = encode.GetString(buffer, 0, len);
}
sock.Close();
return sb.ToString();
}

/// <summary>
/// Socket获取页面HTML同时返回头信息
/// </summary>
/// <param name="server">服务器地址或主机名</param>
/// <param name="url">请求的页面</param>
/// <param name="method">post or get</param>
/// <param name="data">提交的数据</param>
/// <param name="Cookies">Cookies</param>
/// <returns>返回页面的HTML</returns>
public string GetHtml(string server, string url, string method, string data, string Cookies)
{
string _method = method.ToUpper();
string _url = string.Empty;
if (url == "")
{
_url = "/";
}
else if (url.Substring(0, 1) != "/")
{
_url = "/" + url;
}
else
{
_url = url;
}
string formatString = string.Empty;
string sendString = string.Empty;
Encoding ASCII = Encoding.Default;

//以下是拼接的HTTP头信息
if (_method == "GET")
{
formatString = "";
formatString += "{0} {1} HTTP/1.1\r\n";
formatString += "Host: {2}\r\n";
formatString += "User-Agent:Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n";
formatString += "Accept: text/html\r\n";
formatString += "Keep-Alive: 300\r\n";
formatString += "Cookies:{3}\r\n";
formatString += "Connection: keep-alive\r\n\r\n";
sendString = string.Format(formatString, _method, _url, server, Cookies);
}
else
{
formatString = "";
formatString += "{0} {1} HTTP/1.1\r\n";
formatString += "Host: {2}\r\n";
formatString += "User-Agent:Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7\r\n";
formatString += "Accept:text/html\r\n";
formatString += "Content-Type:application/x-www-form-urlencoded\r\n";
formatString += "Content-Length:{3}\r\n";
formatString += "Referer:http://buy.taobao.com/auction/buy_now.jhtml";
formatString += "Keep-Alive:300\r\n";
formatString += "Cookies:{4}\r\n";
formatString += "Connection: keep-alive\r\n\r\n";
formatString += "{5}\r\n";
sendString = string.Format(formatString, _method, _url, server, Encoding.Default.GetByteCount(data), Cookies, data);
}

Byte[] ByteGet = ASCII.GetBytes(sendString);
Byte[] RecvBytes = new Byte[1024];
String strRetPage = null;
IPAddress hostadd = Dns.Resolve(server).AddressList[0];
IPEndPoint EPhost = new IPEndPoint(hostadd, 80);
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
s.Connect(EPhost);
if (!s.Connected)
{
strRetPage = "链接主机失败";
return strRetPage;
}
s.Send(ByteGet, ByteGet.Length, SocketFlags.None);

strRetPage = Recv(s, ASCII);

return strRetPage;
}

protected void btnLogin_Click(object sender, EventArgs e)
{
string u = this.txtUserName.Text.Trim();
string p = this.txtPwd.Text.Trim();
DateTime st = DateTime.Now;

//淘宝登录需要post的数据串
string sendData = "TPL_username=" + u + "&TPL_password=" + Server.UrlEncode(p) + "&actionForStable=enable_post_user_action&action=Authenticator&mi_uid=&mcheck=&TPL_redirect_url=http%3A%2F%2Fitem.taobao.com%2Fauction%2Fitem_detail-0db1-3036113cf5455bd74047f1a581ba4be7.htm&_oooo_=http%3A%2F%2Fitem.taobao.com%2Fauction%2Fitem_detail-0db1-3036113cf5455bd74047f1a581ba4be7.htm&event_submit_do_login=anything&abtest=&pstrong=3&from=&yparam=&done=&loginType=3&tid=&support=000001&CtrlVersion=1%2C0%2C0%2C7";

string s = GetHtml("login.taobao.com", "/member/login.jhtml", "post", sendData, "");
Session["Cookies"] = GetCookies(s); //从返回的源码中提取 cookies，抓取登录后的页面需要附上该cookies

}
protected void btnBuy_Click(object sender, EventArgs e)
{
string strURL = this.txtURL.Text.Trim();
getServerAndPath(strURL);

string s = GetHtml(strServer, strPath, "get", "", Session["Cookies"].ToString());
//Response.Write(s);
if (s.IndexOf("立即购买") > 0)
{
string item_id = strURL.Split('-')[2].Split('.')[0].ToString();
string x_id = strURL.Split('-')[1].ToString();

s = GetHtml("buy.taobao.com", "/auction/buy.htm?from=itemDetail&item_id=" + item_id + "&x_id=" + x_id, "get", "", Session["Cookies"].ToString());
//Response.Write(s);
using (StreamWriter sw = new StreamWriter(Server.MapPath("debug1.html")))
{
sw.Write(s);
}

if (s.IndexOf("确认提交订单") > 0)
{
Session["Cookies"] = GetCookies(s);
string postData = getPostData(s);
string r = GetHtml("buy.taobao.com", "/auction/buy_now.htm", "post", postData, Session["Cookies"].ToString());
if (r.IndexOf("302") > 0)
{
using (StreamWriter sw = new StreamWriter(Server.MapPath("debug2.html")))
{
sw.Write(r);
}
}
else
{
////
}
using (StreamWriter sw = new StreamWriter(Server.MapPath("debug2.html")))
{
sw.Write(r);
}
}
}
else if (s.IndexOf("btn-wait") > 0)//该宝贝还处于定时上架的状态
{

}

}

/// <summary>
/// 从返回的源代码中提取cookies
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private string GetCookies(string s)
{
StringBuilder sbCookies = new StringBuilder();

string[] arr = s.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string str in arr)
{
if (str.StartsWith("Set-Cookie: "))
{
int intStart = str.IndexOf(";");
string strCookie = str.Substring(12, intStart - 11);
sbCookies.Append(strCookie);
}
}
return sbCookies.ToString();
}

private string GetLocationURL(string s)
{

string RtnString = string.Empty;
StringBuilder sbCookies = new StringBuilder();

string[] arr = s.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string str in arr)
{
if (str.StartsWith("Location: "))
{
RtnString = str.Substring(11, str.Length - 11);
}
}
return RtnString;
}

private void getServerAndPath(string strURL)
{
if (strURL != "" && strURL.IndexOf("/") > 0)
{
int SlashPos = strURL.Substring(7).IndexOf("/");
strServer = strURL.Substring(7, SlashPos);
strPath = strURL.Substring(SlashPos + 7);
}
else
return;
}

/// <summary>
/// 从最后确认购买页面的源代码中提取表单数据的数据
/// </summary>
/// <param name="html"></param>
/// <returns></returns>
private string getPostData(string html)
{
string postStr = "";
string pat = "<input .*?name.{0,1}=.{0,1}\"(.*?)\".*? value.{0,1}=\"(.*?)\".*?>";
Regex regex = new Regex(pat, RegexOptions.Multiline | RegexOptions.IgnoreCase);
MatchCollection mcollection = regex.Matches(html);

foreach (Match m in mcollection)
{
GroupCollection gcollection = m.Groups;
if (m.ToString().IndexOf("_fma.b._0.s") > 0) { continue; }
if (m.ToString().IndexOf("_fma.b._0.c") > 0) { continue; }
if (m.ToString().IndexOf("isCheckCode") > 0 && gcollection[2].Value.ToLower() == "true")
{
//isCheckCode = true;
}
postStr += gcollection[1].Value; postStr += "=";
postStr += Server.UrlEncode(gcollection[2].Value);
postStr += "&";
}
postStr += "n_prov=370000&n_city=370500&n_area=370522&_fma.b._0.w=quicky&_fma.b._0.ac=250&consignment=10&_fma.b._0.au=5&_fma.b._0.c=8888";
postStr = postStr.Replace("quantity=0", "quantity=1").Replace("_fma.b._0.d=您不必重复省-市-区信息；至少5个字", "_fma.b._0.d=" + Server.UrlEncode("收货人的具体地址")).Replace("_fma.b._0.po=", "_fma.b._0.po=230031").Replace("_fma.b._0.de=", "_fma.b._0.de="+Server.UrlEncode("啊峰")).Replace("_fma.b._0.u=", "_fma.b._0.u=0").Replace("_fma.b._0.di=1", "_fma.b._0.di=370522").Replace("_fma.b._0.deli=", "_fma.b._0.deli=13888888888");
postStr += "&_fma.b._0.s=2";
//postStr = Server.UrlEncode(postStr);

return postStr;
}
}