.net模拟登录博客园，使用httpWebRequest登录并发布随笔文章
浏览数：64 /
时间：2015年06月09日
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Net; using System.IO; using System.Runtime.InteropServices; using System.Diagnostics; namespace TestHttpWebRequest { class Program { [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)] public static extern bool InternetSetCookie(string A_0, string A_1, string A_2); /// <summary> /// 下一次请求的Url /// </summary> public static string NextRequestUrl { get; set; } /// <summary> /// 若要从远程调用中获取COOKIE一定要为request设定一个CookieContainer用来装载返回的cookies /// </summary> public static CookieContainer CookieContainer { get; set; } /// <summary> /// Cookies 字符创 /// </summary> public static string CookiesString { get; set; } static void Main(string[] args) { // 博客园首页地址 string uri = "http://passport.cnblogs.com/login.aspx?ReturnUrl=http://www.cnblogs.com/"; StringBuilder dataBuilder = new StringBuilder(); dataBuilder.Append("__EVENTARGUMENT="); dataBuilder.Append("&__EVENTTARGET="); dataBuilder.Append("&__EVENTVALIDATION="); dataBuilder.Append("%2FwEdAAUyDI6H%2Fs9f%2BZALqNAA4PyUhI6Xi65hwcQ8%2FQoQCF8JIahXufbhIqPmwKf992GTkd0wq1PKp6%2B%2F1yNGng6H71Uxop4oRunf14dz2Zt2%2BQKDEIYpifFQj3yQiLk3eeHVQqcjiaAP"); dataBuilder.Append("&__VIEWSTATE="); dataBuilder.Append("%2FwEPDwULLTE1MzYzODg2NzZkGAEFHl9fQ29udHJvbHNSZXF1aXJlUG9zdEJhY2tLZXlfXxYBBQtjaGtSZW1lbWJlcm1QYDyKKI9af4b67Mzq2xFaL9Bt"); dataBuilder.Append("&btnLogin="); dataBuilder.Append("%E7%99%BB++%E5%BD%95"); dataBuilder.Append("&tbPassword="); dataBuilder.Append("password"); dataBuilder.Append("&tbUserName="); dataBuilder.Append("account"); dataBuilder.Append("&txtReturnUrl="); dataBuilder.Append("http%3A%2F%2Fwww.cnblogs.com%2F"); string data = dataBuilder.ToString(); string responstr = GetResponse(uri, "POST", data, "http://passport.cnblogs.com/login.aspx?ReturnUrl=http%3A%2F%2Fwww.cnblogs.com%2F",true); //GetPage(); //GetPage(true); //GetPage(); string uri2 = "http://i.cnblogs.com/EditPosts.aspx?opt=1"; string srcString = GetPage(uri2); //Get the ViewState string viewStateFlag = "id=\"__VIEWSTATE\" value=\""; int i = srcString.IndexOf(viewStateFlag) + viewStateFlag.Length; int j = srcString.IndexOf("\"", i); string viewState = srcString.Substring(i, j - i); dataBuilder.Clear(); dataBuilder.Append("__VIEWSTATE="); dataBuilder.Append(System.Web.HttpUtility.UrlEncode(viewState)); dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$txbTitle") + "=");//文章标题 dataBuilder.Append(System.Web.HttpUtility.UrlEncode("test111212121")); dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$Advanced$txbEntryName") + "="); dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$EditorBody") + "=");//文章内容 dataBuilder.Append(System.Web.HttpUtility.UrlEncode("<p>22222222333333333</p>")); //dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$Advanced$chkDisplayHomePage") + "="); //dataBuilder.Append(System.Web.HttpUtility.UrlEncode("on")); //dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$Advanced$chkMainSyndication") + "="); //dataBuilder.Append(System.Web.HttpUtility.UrlEncode("on")); dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$Advanced$ckbPublished") + "="); dataBuilder.Append(System.Web.HttpUtility.UrlEncode("on"));//这个开启是发布状态，不开启则是未发布 //dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$Advanced$chkComments") + "="); //dataBuilder.Append(System.Web.HttpUtility.UrlEncode("on")); //dataBuilder.Append("&Editor%24Edit%24Advanced%24tbEnryPassword="); //dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$Advanced$txbEntryName") + "="); //dataBuilder.Append("&" + System.Web.HttpUtility.UrlEncode("Editor$Edit$Advanced$txbExcerpt") + "="); //dataBuilder.Append("&Editor%24Edit%24Advanced%24txbTag="); dataBuilder.Append("&Editor%24Edit%24lkbPost="); dataBuilder.Append(System.Web.HttpUtility.UrlEncode("发布")); data = dataBuilder.ToString(); responstr = GetResponse(uri2, "POST", data, uri2); Console.Write(responstr); Console.ReadLine(); } public static string FireFoxAgent = "Mozilla/5.0 (Windows NT 5.2; rv:29.0) Gecko/20100101 Firefox/29.0"; public static string IE7 = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C; .NET4.0E)"; public static string IE = "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11"; public static string IE8_Win2003 = "User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)"; public const string _defaultAcceptLanguage = "zh-cn,zh;q=0.5"; public const string _defaultAcceptCharset = "GB2312,utf-8;q=0.7,*;q=0.7"; public static CookieContainer CookieContainers = new CookieContainer(); public static string GetResponse(string url, string method, string data,string referer,bool canDo = false) { try { HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); req.KeepAlive = true; req.Method = method.ToUpper(); req.AllowAutoRedirect = true; req.CookieContainer = CookieContainers; req.ContentType = "application/x-www-form-urlencoded"; req.UserAgent = FireFoxAgent; req.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"; req.Referer = referer; req.Timeout = 50000; if (method.ToUpper() == "POST" && data != null) { ASCIIEncoding encoding = new ASCIIEncoding(); byte[] postBytes = encoding.GetBytes(data); ; req.ContentLength = postBytes.Length; Stream st = req.GetRequestStream(); st.Write(postBytes, 0, postBytes.Length); st.Close(); } System.Net.ServicePointManager.ServerCertificateValidationCallback += (se, cert, chain, sslerror) => { return true; }; Encoding myEncoding = Encoding.GetEncoding("UTF-8"); HttpWebResponse res = (HttpWebResponse)req.GetResponse(); CookiesString = req.CookieContainer.GetCookieHeader(req.RequestUri); if (canDo) { foreach (Cookie cookie in res.Cookies) { InternetSetCookie("http://" + cookie.Domain.ToString(), cookie.Name.ToString(), cookie.Value.ToString()); } Process.Start("IExplore.exe", "http://i.cnblogs.com/EditPosts.aspx?opt=1"); } Stream resst = res.GetResponseStream(); StreamReader sr = new StreamReader(resst, myEncoding); string str = sr.ReadToEnd(); return str; } catch (Exception) { return string.Empty; } } /// <summary> /// 获取用户登陆后下一次请求返回的内容 /// </summary> public static string GetPage(string uri) { HttpWebRequest request = null; HttpWebResponse response = null; try { request = (HttpWebRequest)WebRequest.Create(uri); request.Credentials = CredentialCache.DefaultCredentials; request.Method = "GET"; request.KeepAlive = true; request.Headers.Add("Cookie:" + CookiesString); request.CookieContainer = CookieContainers; request.AllowAutoRedirect = false; response = (HttpWebResponse)request.GetResponse(); //设置cookie CookiesString = request.CookieContainer.GetCookieHeader(request.RequestUri); //取再次跳转链接 StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8); string ss = sr.ReadToEnd(); //Console.Write(ss); sr.Close(); request.Abort(); response.Close(); //依据登陆成功后返回的Page信息，求出下次请求的url //每个网站登陆后加载的Url和顺序不尽相同，以下两步需根据实际情况做特殊处理，从而得到下次请求的URL //string[] substr = ss.Split(new char[] { ‘"‘ }); //if (substr[1].Contains("ReturnUrl")) //{ // var subStr2 = substr[1].Substring(0, substr[1].IndexOf("ReturnUrl")); // if (subStr2.Contains("http")) // { // NextRequestUrl = substr[1]; // } // else // { // NextRequestUrl = "http://passport.cnblogs.com" + substr[1].Replace("/", "/").Replace("%3f","?").Replace("%3d","=").Replace(":",":"); // } return ss; //} //else //{ // NextRequestUrl = substr[1]; //} //ResultHtml = ss; } catch (WebException ex) { throw ex; } } } }
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