1>通过HttpWebRequest模拟登陆
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();
}
}
}
2>模拟登陆demo,直接从项目中挖出来的，实现的模拟登陆客户的oa系统和erp系统的功能，然后审核代办消息，审核的功能未实现。代码实现的是模拟登陆成功后，获取跳转后的页面的html。代码中实际地址和账户非真实数据。
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¶ms=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);
}
}
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