694 lines
26 KiB
C#
694 lines
26 KiB
C#
/*
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* 多线程模拟浏览器采集客户端
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* 2013-7-24
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* 肖俊
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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namespace AllBase
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{
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public class MultiThreadClient
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{
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/// <summary>
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/// 附加Cookies
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/// </summary>
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public string AddCookies = "";
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/// <summary>
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/// 指定Cookies
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/// </summary>
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public string Cookies = "";
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/// <summary>
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/// 指定UserAgent
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/// </summary>
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public string UserAgent = "";
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/// <summary>
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/// 是否出错
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/// </summary>
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public bool IsError = false;
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/// <summary>
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/// 是否友情链接查询
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/// </summary>
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public bool FriendLink = false;
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/// <summary>
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/// 来路
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/// </summary>
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public string Referer = "";
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/// <summary>
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/// 是否手机头
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/// </summary>
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public bool IsMoblie = false;
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/// <summary>
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/// 是否手机头
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/// </summary>
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public bool IsWhoies = false;
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/// <summary>
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/// 强制定义为GBK编码
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/// </summary>
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public bool IsGbk = false;
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/// <summary>
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/// 强制定义为GBK编码
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/// </summary>
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public bool IsUtf8 = false;
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/// <summary>
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/// 强制不跳转
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/// </summary>
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public bool NoRedir = false;
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/// <summary>
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/// 是否代理模式
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/// </summary>
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public bool IsProxy = false;
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/// <summary>
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/// 百度搜索错误
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/// </summary>
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public static bool BaiduError = false;
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/// <summary>
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/// 百度错误时间
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/// </summary>
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public static DateTime BaiduErrorTime = DateTime.Now;
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public string EndUrl = "";
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/// <summary>
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/// 超时
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/// </summary>
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public int TimeOut = 30;
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public string GetHtml(string url)
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{
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return GetHtml(url, -1,null);
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}
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public string GetHtml(string url, byte[] post)
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{
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return GetHtml(url,-1, post);
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}
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/// <summary>
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/// 采集器
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/// </summary>
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/// <param name="url">网址</param>
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/// <returns></returns>
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public string GetHtml(string url, int isUtf8, byte[] post)
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{
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IsError = false;
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string cookies = "", html = "";
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Random ra = new Random();
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string domain = GetDomain(url);
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if (domain == null)
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return "";
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if (domain.Length > 4 &&
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(domain.Substring(0, 2) == "m." || domain.Substring(0, 2) == "wap." || domain.Substring(0, 2) == "3g." ||
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domain.Substring(0, 2) == "4g."))
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IsMoblie = true;
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if (!string.IsNullOrEmpty(url))
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url = url.Trim();
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if (string.IsNullOrEmpty(url))
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return "";
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WebBrowserCoockies wc;
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if (IsMoblie)
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wc = WebCoockies.MobileCoockies.Count>0? WebCoockies.MobileCoockies[ra.Next(WebCoockies.MobileCoockies.Count)]:null;
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else
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wc = WebCoockies.Coockies.Count>0? WebCoockies.Coockies[ra.Next(WebCoockies.Coockies.Count)]:null;
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if (wc == null)
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wc = new WebBrowserCoockies();
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for (int i = 0; wc.Coockies != null && i < wc.Coockies.Count; i++)
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{
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if (wc.Coockies[i] != null && wc.Coockies[i].Domain == domain)
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{
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cookies = wc.Coockies[i].Cookies;
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break;
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}
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}
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if (!string.IsNullOrEmpty(UserAgent))
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wc.UserAgent = UserAgent;
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if (!string.IsNullOrEmpty(Cookies))
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cookies = Cookies;
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WebClientx web = new WebClientx();
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web.AllowAutoRedirect = false;
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web.Timeout = TimeOut;
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web.Headers.Add("Accept-Language", "zh-CN,zh;q=0.8");
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web.Headers.Add("Accept-Encoding", "gzip, deflate, sdch, br ");
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web.Headers.Add("User-Agent", wc.UserAgent);
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if (IsMoblie)
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{
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web.Headers.Add("X-Requested-With", "com.android.browser");
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web.Headers.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
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web.Headers.Add("x-wap-profile", "http://wap1.huawei.com/uaprof/HUAWEI_MT2_T00_UAProfile.xml");
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}
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else
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{
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web.Headers.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
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web.Headers.Add("upgrade-insecure-requests", "1");
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}
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if (IsProxy)//是否是代理状态
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web.Headers.Add("Add-UserAgent", wc.UserAgent);
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if (!BaseClass.IsTest)
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web.Proxy = null;
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if (!string.IsNullOrEmpty(AddCookies) && string.IsNullOrEmpty(cookies))
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cookies += AddCookies;
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if (url.Contains("/url=") && IsMoblie)
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web.Headers.Add("Add-Cookies", "Moblie");
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if (url.Contains("/url=") && IsWhoies)
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web.Headers.Add("Add-Cookies", "whois");
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int retryTimes = 0;
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GotoAgen:
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EndUrl = url;
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web.Headers.Remove("Cookie");
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if (!string.IsNullOrEmpty(cookies))
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web.Headers.Add("Cookie", cookies);
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if (!string.IsNullOrEmpty(Referer))
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web.Headers.Add("Referer", Referer);
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try
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{
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byte[] b;
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//if (post == null)
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//{
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// Stream receiveStream = web.OpenRead(url);
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// MemoryStream ms = new MemoryStream();
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// int num;
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// byte[] buffer = new byte[10240];
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// do
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// {
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// num = receiveStream.Read(buffer, 0, buffer.Length);
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// if (num > 0)
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// ms.Write(buffer, 0, num);
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// } while (num > 0);
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// b = ms.ToArray();
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// ms.Close();
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//}
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//else
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//{
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// b = web.UploadData(url, post);
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//}
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b = post == null ? web.DownloadData(url) : web.UploadData(url, post);
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string cookies1 = web.ResponseHeaders.Get("Set-Cookie"); //获取Cookies
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string location = web.ResponseHeaders.Get("Location"); //跳转地址
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if (!string.IsNullOrEmpty(cookies1))
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{
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cookies = UpCookies(cookies, cookies1);
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if (!string.IsNullOrEmpty(Cookies))
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Cookies = cookies;
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bool ok = false;
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foreach (var c in wc.Coockies)
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{
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if (c.Domain == domain)
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{
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c.Cookies = cookies;
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ok = true;
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}
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}
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if (!ok)
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{
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CoockiesBase c = new CoockiesBase();
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c.Cookies = cookies;
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c.Domain = domain;
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wc.Coockies.Add(c);
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}
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}
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if (string.IsNullOrEmpty(location))
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{
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string contentType = web.ResponseHeaders["Content-Type"];
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if (b == null)
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return "";
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if (b.Length > 2 * 1024 * 1024)
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return "文件太大";
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b = ZipHelper.Decompress(b);
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if (b.Length > 2 * 1024 * 1024)
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return "文件太大";
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if (!string.IsNullOrEmpty(contentType))
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{
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string c = GetRegexString(contentType, "charset\\s*=\\s*(\\S+)");
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if (!string.IsNullOrEmpty(c))
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{
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c = c.Trim().ToLower().Replace("utf8", "utf-8");
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html = Encoding.GetEncoding(c).GetString(b);
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}
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}
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if (string.IsNullOrEmpty(html) && isUtf8 == -1)
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{
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html = Encoding.GetEncoding("UTF-8").GetString(b);
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string r = @"<meta [^>]*?charset=[""']*([\w-]+)[""']*";
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string c = GetRegexString(html, r).Trim();
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if (c.IndexOf("'") > -1)
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c = c.Substring(0, c.IndexOf("'"));
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if (c.IndexOf("\"") > -1)
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c = c.Substring(0, c.IndexOf("\""));
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if (c.IndexOf(" ") > -1)
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c = c.Substring(0, c.IndexOf(" "));
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if (c.IndexOf(">") > -1)
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c = c.Substring(0, c.IndexOf(">"));
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if (c.ToLower() != "utf-8" && !string.IsNullOrEmpty(c))
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html = Encoding.GetEncoding(c).GetString(b);
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else if (string.IsNullOrEmpty(c))
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html = Encoding.GetEncoding("UTF-8").GetString(b);
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}
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if (!string.IsNullOrEmpty(html) && isUtf8 == -1)
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{
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if (html.Substring(0, 1) == "锘")
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html = Encoding.GetEncoding("UTF-8").GetString(b);
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if (html.Contains("�") && (html.Length - html.Replace("�", "").Length > 20))
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html = Encoding.GetEncoding("gbk").GetString(b);
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}
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if (isUtf8 == 0)
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html = Encoding.GetEncoding("gbk").GetString(b);
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if (isUtf8 == 1 && string.IsNullOrEmpty(html))
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html = Encoding.UTF8.GetString(b);
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if (IsGbk)
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html = Encoding.GetEncoding("gbk").GetString(b);
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if (IsUtf8)
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html = Encoding.GetEncoding("UTF-8").GetString(b);
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}
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if (retryTimes < 3 && (!string.IsNullOrEmpty(location) || string.IsNullOrEmpty(html)))
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{
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if (NoRedir)
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return location;
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//下面是支持301和302跳转部分
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if (location.Length > 8 && (location.Substring(0, 7) == "http://" || location.Substring(0, 8) == "https://" || location.Substring(0, 6) == "ftp://"))
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{
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url = location;
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}
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else
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{
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if (location.Substring(0, 1) == "/")
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{
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string[] l = url.Split('/');
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if (l.Length > 3)
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{
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url = "";
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for (int i = 0; i < 3; i++)
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url += l[i] + "/";
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url += location.Substring(1, location.Length - 1);
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}
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}
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else
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{
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if (url.Substring(url.Length - 1, 1) == "/")
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url += location;
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else
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url += "/" + location;
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}
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}
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retryTimes++;
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goto GotoAgen;
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}
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}
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catch (Exception e)
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{
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if (e.Message.Contains("(404)") || e.Message.Contains("(403)") || e.Message.Contains("(500)") || e.Message.Contains("指定的路径或文件名太长，"))
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{
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IsError = true;
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return e.Message;
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}
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if (FriendLink)
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{
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IsError = true;
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return e.Message;
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}
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if (retryTimes < 1)
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{
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Thread.Sleep(100);
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retryTimes++;
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goto GotoAgen;
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}
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IsError = true;
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return e.Message;
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}
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if (html.Contains("您的访问出错了</title>"))
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{
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if (!BaiduError)
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{
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BaiduError = true;
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BaiduErrorTime = DateTime.Now;
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}
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IsError = true;
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}
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if (BaiduError && BaiduErrorTime.AddMinutes(5) < DateTime.Now)
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BaiduError = false;
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return html;
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}
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/// <summary>
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/// 返回Utf-8编码
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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public string GetByte(string url, ref bool had, out bool isChinese)
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{
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string html = "";
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had = false;
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IsError = false;
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isChinese = false;
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string cookies = "";
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Random ra = new Random();
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string domain = AllBase.GetHtml.GetDomain(url);
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if (string.IsNullOrEmpty(domain))
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return "";
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WebBrowserCoockies wc = WebCoockies.Coockies[ra.Next(WebCoockies.Coockies.Count)];
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for (int i = 0; wc != null && wc.Coockies != null && i < wc.Coockies.Count; i++)
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{
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if (wc.Coockies[i] != null && wc.Coockies[i].Domain == domain)
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{
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cookies = wc.Coockies[i].Cookies;
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break;
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}
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}
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WebClientx web = new WebClientx();
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web.Timeout = TimeOut;
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web.AllowAutoRedirect = false;
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web.Headers.Add("Accept", "text/html,application/xhtml+xml,application/xml;");
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web.Headers.Add("Accept-Language", "zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3");
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web.Headers.Add("Accept-Encoding", "gzip,deflate");
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// if (string.IsNullOrEmpty(UserAgent))
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// web.Headers.Add("User-Agent", wc.UserAgent);
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//else
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// web.Headers.Add("User-Agent", UserAgent);
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web.Headers.Add("User-Agent", "Mozilla/5.0+(compatible;+Baiduspider/2.0;++http://www.baidu.com/search/spider.html)");
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web.Proxy = null;
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if (!string.IsNullOrEmpty(AddCookies) && string.IsNullOrEmpty(cookies))
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cookies += AddCookies;
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if (!string.IsNullOrEmpty(cookies))
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web.Headers.Add("Cookie", cookies);
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if (!string.IsNullOrEmpty(Referer))
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web.Headers.Add("Referer", Referer);
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if (url.Contains("/url=") && IsMoblie)
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web.Headers.Add("Add-Cookies", "Moblie");
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if (url.Contains("/url=") && IsWhoies)
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web.Headers.Add("Add-Cookies", "whois");
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int retryTimes = 0;
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byte[] b = null;
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GotoAgen:
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try
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{
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int max = 3 * 1024, len = 0;//最大文件为3MB
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//Stream receiveStream = web.OpenRead(url);
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//MemoryStream ms = new MemoryStream();
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//int num;
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//byte[] buffer = new byte[1024];
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//do
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//{
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// num = receiveStream.Read(buffer, 0, buffer.Length);
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// if (num > 0)
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// ms.Write(buffer, 0, num);
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// len++;
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//} while (num > 0 && len<max);
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//if (len >= max)//太大的文件直接跳过
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// return "";
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//b = ms.ToArray();
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//ms.Close();
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b = web.DownloadData(url);
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string cookies1 = web.ResponseHeaders.Get("Set-Cookie"); //获取Cookies
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string location = web.ResponseHeaders.Get("Location"); //跳转地址
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if (!string.IsNullOrEmpty(cookies1))
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{
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cookies = UpCookies(cookies, cookies1);
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bool ok = false;
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foreach (var c in wc.Coockies)
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{
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if (c.Domain == domain)
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{
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c.Cookies = cookies;
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ok = true;
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}
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}
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if (!ok)
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{
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CoockiesBase c = new CoockiesBase();
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c.Cookies = cookies;
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c.Domain = domain;
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wc.Coockies.Add(c);
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}
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}
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if (string.IsNullOrEmpty(location))
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{
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string contentType = web.ResponseHeaders["Content-Type"];
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html = "";
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b = ZipHelper.Decompress(b);
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if (b.Length >= max*1024)//太大的文件直接跳过
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return "文件太大";
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//b = GzipDeCompress(b);
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if (b == null || b.Length == 0 || b.Length > 2 * 1024 * 1024)
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return "";
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try
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{
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if (!string.IsNullOrEmpty(contentType))
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{
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string c = GetRegexString(contentType, "charset\\s*=\\s*(\\S+)");
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if (!string.IsNullOrEmpty(c))
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{
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c = c.Trim().ToLower().Replace("utf8", "utf-8").Replace(";", "");
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html = Encoding.GetEncoding(c).GetString(b);
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}
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}
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if (string.IsNullOrEmpty(html))
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{
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html = Encoding.GetEncoding("UTF-8").GetString(b);
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string r = @"<meta [^>]*charset=[""']*([^>]+)[""']*[ />]";
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string c = GetRegexString(html, r);
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if (c.Contains("\""))
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c = c.Substring(0, c.IndexOf("\""));
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if (c.Contains("'"))
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c = c.Substring(0, c.IndexOf("'"));
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if (string.IsNullOrEmpty(c))
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c = GetRegexString(html, @"<meta [^>]*charset=[""']([a-z0-9-]+)[""']>");
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if (string.IsNullOrEmpty(c) && !string.IsNullOrEmpty(html) && html.Contains("�") &&html.Length- html.Replace("�","").Length>50)
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{
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html = Encoding.GetEncoding("gbk").GetString(b);
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}
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if (!string.IsNullOrEmpty(c) && c.ToLower() != "utf-8")
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{
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html = Encoding.GetEncoding(c).GetString(b);
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}
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}
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}
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catch
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{
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}
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if (IsUtf8|| !string.IsNullOrEmpty(html) && html.Substring(0, 1) == "锘")
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{
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html = Encoding.UTF8.GetString(b);
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}
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}
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if (retryTimes < 3 && (!string.IsNullOrEmpty(location) || string.IsNullOrEmpty(html)))
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|
{
|
|
//下面是支持301和302跳转部分
|
|
if (location.Length > 8 && (location.Substring(0, 7) == "http://" || location.Substring(0, 8) == "https://" || location.Substring(0, 6) == "ftp://"))
|
|
{
|
|
url = location;
|
|
}
|
|
else
|
|
{
|
|
if (location.Substring(0, 1) == "/")
|
|
{
|
|
string[] l = url.Split('/');
|
|
if (l.Length > 3)
|
|
{
|
|
url = "";
|
|
for (int i = 0; i < 3; i++)
|
|
url += l[i] + "/";
|
|
url += location.Substring(1, location.Length - 1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (url.Substring(url.Length - 1, 1) == "/")
|
|
url += location;
|
|
else
|
|
url += "/" + location;
|
|
}
|
|
}
|
|
retryTimes++;
|
|
goto GotoAgen;
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
if (e.Message.Contains("(404)") || e.Message.Contains("(403)") || e.Message.Contains("(500)"))
|
|
{
|
|
IsError = true;
|
|
html = e.Message;
|
|
}
|
|
if (!IsError && retryTimes < 1)
|
|
{
|
|
Thread.Sleep(2000);
|
|
retryTimes++;
|
|
goto GotoAgen;
|
|
}
|
|
IsError = true;
|
|
html = e.Message;
|
|
}
|
|
if (b == null || b.Length == 0)
|
|
return "";
|
|
foreach (byte b1 in b)
|
|
{
|
|
if (b1 > 227 && b1 < 235)
|
|
{
|
|
isChinese = true;
|
|
break;
|
|
}
|
|
}
|
|
if (html.Length > 2 * 1024 * 1024)
|
|
{
|
|
had = false;
|
|
return "";
|
|
}
|
|
had = true;
|
|
//if (b == null) //
|
|
return html;
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 获取域名
|
|
/// </summary>
|
|
/// <param name="url"></param>
|
|
/// <returns></returns>
|
|
private string GetDomain(string url)
|
|
{
|
|
try
|
|
{
|
|
url = url.Substring(url.IndexOf("//") + 2, url.Length - url.IndexOf("//") - 2);
|
|
if (url.IndexOf("/") > -1)
|
|
url = url.Substring(0, url.IndexOf("/"));
|
|
return url;
|
|
}
|
|
catch
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 返回单个正则分析结果
|
|
/// </summary>
|
|
/// <param name="HtmlString"></param>
|
|
/// <param name="RegexString"></param>
|
|
/// <returns></returns>
|
|
private string GetRegexString(string HtmlString, string RegexString)
|
|
{
|
|
MatchCollection mc = Regex.Matches(HtmlString, RegexString, RegexOptions.IgnoreCase);
|
|
if (mc.Count > 0)
|
|
return mc[0].Groups[1].ToString();
|
|
return "";
|
|
}
|
|
|
|
/// <summary>
|
|
/// 更新cookies
|
|
/// </summary>
|
|
/// <param name="old"></param>
|
|
/// <param name="newc"></param>
|
|
/// <returns></returns>
|
|
public string UpCookies(string old, string newc)
|
|
{
|
|
if (string.IsNullOrEmpty(newc))
|
|
return old;
|
|
if (string.IsNullOrEmpty(old))
|
|
old = " ";
|
|
int io = 0;
|
|
old = old.Trim();
|
|
newc = newc.Trim();
|
|
string[] o = old.Split(';');
|
|
string[] n = newc.Split(';');
|
|
List<CoockiesValue> c = new List<CoockiesValue>();
|
|
for (int i = 0; i < o.Length; i++)
|
|
{
|
|
CoockiesValue cv = new CoockiesValue();
|
|
io = o[i].IndexOf("=");
|
|
if (io > -1)
|
|
{
|
|
cv.Title = o[i].Substring(0, io).Trim();
|
|
cv.Value = o[i].Substring(io + 1, o[i].Length - io - 1).Trim();
|
|
}
|
|
else
|
|
{
|
|
if (!string.IsNullOrEmpty(o[i]))
|
|
cv.Title = o[i].Trim();
|
|
}
|
|
if (string.IsNullOrEmpty(cv.Title) || cv.Title == "domain" || cv.Title == "expires" || cv.Title == "path" || cv.Title.ToLower() == "httponly")
|
|
continue;
|
|
if (!string.IsNullOrEmpty(cv.Title))
|
|
c.Add(cv);
|
|
}
|
|
for (int i = 0; i < n.Length; i++)
|
|
{
|
|
CoockiesValue cv = new CoockiesValue();
|
|
io = n[i].IndexOf("=");
|
|
if (io > -1)
|
|
{
|
|
cv.Title = n[i].Substring(0, io).Trim();
|
|
cv.Value = n[i].Substring(io + 1, n[i].Length - io - 1).Trim();
|
|
}
|
|
else
|
|
{
|
|
if (!string.IsNullOrEmpty(n[i]))
|
|
cv.Title = n[i].Trim();
|
|
}
|
|
if (!string.IsNullOrEmpty(cv.Title))
|
|
{
|
|
bool isHad = false;
|
|
for (int j = 0; j < c.Count; j++)
|
|
{
|
|
if (cv.Title == c[j].Title)
|
|
{
|
|
c[j].Value = cv.Value;
|
|
isHad = true;
|
|
break;
|
|
}
|
|
}
|
|
if (string.IsNullOrEmpty(cv.Title) || string.IsNullOrEmpty(cv.Value) || cv.Title == "domain" || cv.Title == "expires"
|
|
|| cv.Title == "path"&& !cv.Value.Contains("/,") || cv.Title.ToLower() == "httponly")
|
|
continue;
|
|
if (!isHad)
|
|
{
|
|
if (cv.Title == "path" && cv.Value.Contains("/,")&&cv.Value.IndexOf("/,")==0 && cv.Value.Length>2)
|
|
{
|
|
string t = cv.Value.Substring(2);
|
|
if(!t.Contains("=")|| t.IndexOf("=")>t.Length-1)
|
|
continue;
|
|
cv.Title = t.Substring(0, t.IndexOf("="));
|
|
cv.Value = t.Substring(t.IndexOf("=") + 1);
|
|
}
|
|
c.Add(cv);
|
|
}
|
|
}
|
|
}
|
|
string temp = "";
|
|
for (int i = 0; i < c.Count; i++)
|
|
{
|
|
if (string.IsNullOrEmpty(c[i].Value))
|
|
temp += c[i].Title + "; ";
|
|
else
|
|
temp += c[i].Title + "=" + c[i].Value + "; ";
|
|
}
|
|
return temp;
|
|
}
|
|
}
|
|
}
|