using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.DirectoryServices.Protocols;
using System.ServiceModel.Security;
using System.Net;
using System.IO;
using System.IO.Compression;
using System.Text.RegularExpressions;namespace BaiduCang
{/// <summary>/// 有关HTTP请求的辅助类/// </summary>public class HttpWebResponseUtility{private static readonly string DefaultUserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";/// <summary>/// 创建GET方式的HTTP请求/// </summary>/// <param name="url">请求的URL</param>/// <param name="timeout">请求的超时时间</param>/// <param name="userAgent">请求的客户端浏览器信息，可以为空</param>/// <param name="cookies">随同HTTP请求发送的Cookie信息，如果不需要身份验证可以为空</param>/// <returns></returns>public static HttpWebResponse CreateGetHttpResponse(string url, int? timeout, string userAgent, CookieCollection cookies){if (string.IsNullOrEmpty(url)){throw new ArgumentNullException("url");}HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;request.Method = "GET";request.UserAgent = DefaultUserAgent;if (!string.IsNullOrEmpty(userAgent)){request.UserAgent = userAgent;}if (timeout.HasValue){request.Timeout = timeout.Value;}if (cookies != null){request.CookieContainer = new CookieContainer();request.CookieContainer.Add(cookies);}return request.GetResponse() as HttpWebResponse;}/// <summary>/// 创建POST方式的HTTP请求/// </summary>/// <param name="url">请求的URL</param>/// <param name="parameters">随同请求POST的参数名称及参数值字典</param>/// <param name="timeout">请求的超时时间</param>/// <param name="userAgent">请求的客户端浏览器信息，可以为空</param>/// <param name="requestEncoding">发送HTTP请求时所用的编码</param>/// <param name="cookies">随同HTTP请求发送的Cookie信息，如果不需要身份验证可以为空</param>/// <returns></returns>public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters, int? timeout, string userAgent, Encoding requestEncoding, CookieCollection cookies){if (string.IsNullOrEmpty(url)){throw new ArgumentNullException("url");}if (requestEncoding == null){throw new ArgumentNullException("requestEncoding");}HttpWebRequest request = null;//如果是发送HTTPS请求if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase)){ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);request = WebRequest.Create(url) as HttpWebRequest;request.ProtocolVersion = HttpVersion.Version10;}else{request = WebRequest.Create(url) as HttpWebRequest;}request.Method = "POST";request.ContentType = "application/x-www-form-urlencoded";request.AllowAutoRedirect = false;if (!string.IsNullOrEmpty(userAgent)){request.UserAgent = userAgent;}else{request.UserAgent = DefaultUserAgent;}if (timeout.HasValue){request.Timeout = timeout.Value;}if (cookies != null){request.CookieContainer = new CookieContainer();request.CookieContainer.Add(cookies);}//如果需要POST数据if (!(parameters == null || parameters.Count == 0)){StringBuilder buffer = new StringBuilder();int i = 0;foreach (string key in parameters.Keys){if (i > 0){buffer.AppendFormat("&{0}={1}", key, parameters[key]);}else{buffer.AppendFormat("{0}={1}", key, parameters[key]);}i++;}byte[] data = requestEncoding.GetBytes(buffer.ToString());using (Stream stream = request.GetRequestStream()){stream.Write(data, 0, data.Length);}}return request.GetResponse() as HttpWebResponse;}private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors){return true; //总是接受}/// <summary>/// 获取post中input的值/// </summary>/// <param name="content">返回的html</param>/// <returns></returns>public static Dictionary<string, string> GetPostValuesFromContent(string content){Dictionary<string, string> dics = new Dictionary<string, string>();StringBuilder sbPattern = new StringBuilder();sbPattern.Append("<input").Append("[^>]*?").Append("/?>");Regex regex = new Regex(sbPattern.ToString());MatchCollection matchList = regex.Matches(content);foreach (Match match in matchList){string inputValue = match.Groups[0].Value;sbPattern = new StringBuilder();sbPattern.Append("name=\"").Append("([^\"]*?)").Append("\"");regex = new Regex(sbPattern.ToString());string name = regex.Match(inputValue).Groups[1].Value;sbPattern = new StringBuilder();sbPattern.Append("value=\"").Append("([^\"]*?)").Append("\"");regex = new Regex(sbPattern.ToString());string value = regex.Match(inputValue).Groups[1].Value;dics.Add(name, System.Web.HttpContext.Current.Server.UrlEncode(value));}return dics;}/// <summary>/// 获取post中input的值/// </summary>/// <param name="content">返回的html</param>/// <returns></returns>public static Dictionary<string, string> GetPostValuesFromUrl(string url){HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);HttpWebResponse response = (HttpWebResponse)request.GetResponse();Stream responseStream = response.GetResponseStream();StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);string content = reader.ReadToEnd();reader.Close();responseStream.Close();return GetPostValuesFromContent(content);}/// <summary>/// 从Headers的Cookie中获取到系统的cookie/// </summary>/// <param name="setCookie">headers中的cookie字符串</param>/// <param name="cookieName">系统cookie的name</param>/// <returns></returns>public static string GetCookieFromSetCookie(string setCookie, string cookieName){StringBuilder sbPattern = new StringBuilder();sbPattern.AppendFormat("{0}=", cookieName).Append("(.*?)").Append(";");Regex regex = new Regex(sbPattern.ToString());Match match = regex.Match(setCookie);return match.Groups[1].Value;}/// <summary>/// 获取登陆后的跳转页面的html/// </summary>/// <param name="cookieName">系统cookie的name</param>/// <param name="cookieValue">系统cookie的value</param>/// <param name="redirectUrl">登陆后跳转的url</param>/// <returns></returns>public static string GetRedirctUrlHtml(string cookieName, string cookieValue, string redirectUrl, Encoding encoding){HttpWebRequest request = (HttpWebRequest)WebRequest.Create(redirectUrl);request.Method = "GET";request.Headers.Add("Cookie", cookieName + "=" + cookieValue);HttpWebResponse response = (HttpWebResponse)request.GetResponse();Stream stream = response.GetResponseStream();StreamReader reader = new StreamReader(stream, encoding);return reader.ReadToEnd();}}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Net;
using BaiduCang;
using System.IO;
using System.Text.RegularExpressions;public partial class Default2 : System.Web.UI.Page
{protected void Page_Load(object sender, EventArgs e){//LoginJsjd();//LoginOA();LoginErp();}public void LoginJsjd(){string loginUrl = "http://192.168.0.2/jsjd/login.aspx";string redirectUrl = "http://192.168.0.2/jsjd/wfi.ashx?act=audit&id=e77ff6a5-4e17-4fb6-b696-82bf5b3c717f&msgid=bc5b6d50-f315-414e-841f-e382ca1a4f8e&comment=&result=Approve";Encoding encoding = Encoding.GetEncoding("gb2312");string cookieName = ".ASPXAUTH";Dictionary<string, string> parameters = new Dictionary<string, string>();parameters.Add("txtName", "8888");parameters.Add("txtPassword", "8888");Response.Write(Login(loginUrl, loginUrl, redirectUrl, cookieName, encoding, parameters));}public void LoginOA(){string loginUrl = "http://192.168.0.2:8090/dcwork/j_bsp_security_check/up";string redirectUrl = "http://192.168.0.2:8090/dcwork/processlist.cmd?method=taskinfoportal";Encoding encoding = Encoding.GetEncoding("gb2312");string cookieName = "JSESSIONID";Dictionary<string, string> parameters = new Dictionary<string, string>();parameters.Add("j_username", "888888");parameters.Add("j_password", "888888");Response.Write(Login(loginUrl, loginUrl, redirectUrl, cookieName, encoding, parameters));}public void LoginErp(){string loginUrl = "http://192.168.0.2:8000/OA_HTML/RF.jsp?function_id=26668&resp_id=-1&resp_appl_id=-1&security_group_id=0&lang_code=ZHS&params=KQ0ueFd3h5ncJDQ0.532EQ&oas=NqL6dDNwywXNVCwleKSBLw";string portUrl = "http://192.168.0.2:8000/OA_HTML/OA.jsp?page=/oracle/apps/fnd/sso/login/webui/MainLoginPG&_ri=0&_ti=128180147&language_code=ZHS&requestUrl=&oapc=18&oas=zlyIwYnA_a_ouuYU0LTLzw..";string redirectUrl = "http://192.168.0.2:8000/OA_HTML/OA.jsp?OAFunc=OAHOMEPAGE";Encoding encoding = Encoding.GetEncoding("gb2312");string cookieName = "JSESSIONID";Dictionary<string, string> parameters = new Dictionary<string, string>();parameters.Add("usernameField", "888888");parameters.Add("passwordField", "888888");Response.Write(Login(loginUrl, portUrl, redirectUrl, cookieName, encoding, parameters));}/// <summary>/// 登陆后返回指定页面的html/// </summary>/// <param name="loginUrl">登陆页面url</param>/// <param name="portUrl">登陆提交的post页面url</param>/// <param name="redirectUrl">登陆成功后跳转的页面url</param>/// <param name="cookieName">cookie名称</param>/// <param name="encoding">编码方式</param>/// <param name="nameAndPassword">用户名和密码对应的文本框的name和值</param>/// <returns></returns>public string Login(string loginUrl, string portUrl, string redirectUrl, string cookieName, Encoding encoding, Dictionary<string, string> nameAndPassword){Dictionary<string, string> parameters = HttpWebResponseUtility.GetPostValuesFromUrl(loginUrl);//给参数字典中的用户名和密码赋值foreach (var item in nameAndPassword){parameters[item.Key] = item.Value;}foreach (var item in parameters){Response.Write(string.Format("{0}:{1}", item.Key, item.Value));Response.Write("</br>");}HttpWebResponse response = HttpWebResponseUtility.CreatePostHttpResponse(portUrl, parameters, null, null, encoding, null);string setCookie = response.Headers["Set-Cookie"];string cookie = HttpWebResponseUtility.GetCookieFromSetCookie(setCookie, cookieName);return HttpWebResponseUtility.GetRedirctUrlHtml(cookieName, cookie, redirectUrl, encoding);}
}