Exemplo n.º 1
0
 /// <summary>  
 /// 根据相传入的数据,得到相应页面数据  
 /// </summary>  
 /// <param name="item">参数类对象</param>  
 /// <returns>返回HttpResult类型</returns>  
 public HttpResult GetHtml(HttpItem item)
 {
     //返回参数  
     HttpResult result = new HttpResult();
     try
     {
         //准备参数  
         SetRequest(item);
     }
     catch (Exception ex)
     {
         result.Cookie = string.Empty;
         result.Header = null;
         result.Html = ex.Message;
         result.StatusDescription = "配置参数时出错:" + ex.Message;
         //配置参数时出错  
         return result;
     }
     try
     {
         //请求数据  
         using (response = (HttpWebResponse)request.GetResponse())
         {
             GetData(item, result);
         }
     }
     catch (WebException ex)
     {
         if (ex.Response != null)
         {
             using (response = (HttpWebResponse)ex.Response)
             {
                 GetData(item, result);
             }
         }
         else
         {
             result.Html = ex.Message;
         }
     }
     catch (Exception ex)
     {
         result.Html = ex.Message;
     }
     if (item.IsToLower) result.Html = result.Html.ToLower();
     return result;
 }
Exemplo n.º 2
0
        /// <summary>  
        /// 获取数据的并解析的方法  
        /// </summary>  
        /// <param name="item"></param>  
        /// <param name="result"></param>  
        private void GetData(HttpItem item, HttpResult result)
        {
            #region base  
            //获取StatusCode  
            result.StatusCode = response.StatusCode;
            //获取StatusDescription  
            result.StatusDescription = response.StatusDescription;
            //获取Headers  
            result.Header = response.Headers;
            //获取CookieCollection  
            if (response.Cookies != null) result.CookieCollection = response.Cookies;
            //获取set-cookie  
            if (response.Headers["set-cookie"] != null) result.Cookie = response.Headers["set-cookie"];
            #endregion

            #region byte  
            //处理网页Byte  
            byte[] ResponseByte = GetByte();
            #endregion

            #region Html  
            if (ResponseByte != null & ResponseByte.Length > 0)
            {
                //设置编码  
                SetEncoding(item, result, ResponseByte);
                //得到返回的HTML  
                result.Html = encoding.GetString(ResponseByte);
            }
            else
            {
                //没有返回任何Html代码  
                result.Html = string.Empty;
            }
            #endregion
        }
Exemplo n.º 3
0
 /// <summary>  
 /// 设置Post数据  
 /// </summary>  
 /// <param name="item">Http参数</param>  
 private void SetPostData(HttpItem item)
 {
     //验证在得到结果时是否有传入数据  
     if (!request.Method.Trim().ToLower().Contains("get"))
     {
         if (item.PostEncoding != null)
         {
             postencoding = item.PostEncoding;
         }
         byte[] buffer = null;
         //写入Byte类型  
         if (item.PostDataType == PostDataType.Byte && item.PostdataByte != null && item.PostdataByte.Length > 0)
         {
             //验证在得到结果时是否有传入数据  
             buffer = item.PostdataByte;
         }//写入文件  
         else if (item.PostDataType == PostDataType.FilePath && !string.IsNullOrEmpty(item.Postdata))
         {
             StreamReader r = new StreamReader(item.Postdata, postencoding);
             buffer = postencoding.GetBytes(r.ReadToEnd());
             r.Close();
         } //写入字符串  
         else if (!string.IsNullOrEmpty(item.Postdata))
         {
             buffer = postencoding.GetBytes(item.Postdata);
         }
         if (buffer != null)
         {
             request.ContentLength = buffer.Length;
             request.GetRequestStream().Write(buffer, 0, buffer.Length);
         }
     }
 }
Exemplo n.º 4
0
 /// <summary>  
 /// 设置代理  
 /// </summary>  
 /// <param name="item">参数对象</param>  
 private void SetProxy(HttpItem item)
 {
     bool isIeProxy = false;
     if (!string.IsNullOrEmpty(item.ProxyIp))
     {
         isIeProxy = item.ProxyIp.ToLower().Contains("ieproxy");
     }
     if (!string.IsNullOrEmpty(item.ProxyIp) && !isIeProxy)
     {
         //设置代理服务器  
         if (item.ProxyIp.Contains(":"))
         {
             string[] plist = item.ProxyIp.Split(':');
             WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim()));
             //建议连接  
             myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
             //给当前请求对象  
             request.Proxy = myProxy;
         }
         else
         {
             WebProxy myProxy = new WebProxy(item.ProxyIp, false);
             //建议连接  
             myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
             //给当前请求对象  
             request.Proxy = myProxy;
         }
     }
     else if (isIeProxy)
     {
         //设置为IE代理  
     }
     else
     {
         request.Proxy = item.WebProxy;
     }
 }
Exemplo n.º 5
0
 /// <summary>  
 /// 设置Cookie  
 /// </summary>  
 /// <param name="item">Http参数</param>  
 private void SetCookie(HttpItem item)
 {
     if (!string.IsNullOrEmpty(item.Cookie)) request.Headers[HttpRequestHeader.Cookie] = item.Cookie;
     //设置CookieCollection  
     if (item.ResultCookieType == ResultCookieType.CookieCollection)
     {
         request.CookieContainer = new CookieContainer();
         if (item.CookieCollection != null && item.CookieCollection.Count > 0)
             request.CookieContainer.Add(item.CookieCollection);
     }
 }
Exemplo n.º 6
0
 /// <summary>  
 /// 设置多个证书  
 /// </summary>  
 /// <param name="item"></param>  
 private void SetCerList(HttpItem item)
 {
     if (item.ClentCertificates != null && item.ClentCertificates.Count > 0)
     {
         foreach (X509Certificate c in item.ClentCertificates)
         {
             request.ClientCertificates.Add(c);
         }
     }
 }
Exemplo n.º 7
0
 /// <summary>  
 /// 设置证书  
 /// </summary>  
 /// <param name="item"></param>  
 private void SetCer(HttpItem item)
 {
     if (!string.IsNullOrEmpty(item.CerPath))
     {
         //这一句一定要写在创建连接的前面。使用回调的方法进行证书验证。  
         ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
         //初始化对像,并设置请求的URL地址  
         request = (HttpWebRequest)WebRequest.Create(item.URL);
         SetCerList(item);
         //将证书添加到请求里  
         request.ClientCertificates.Add(new X509Certificate(item.CerPath));
     }
     else
     {
         //初始化对像,并设置请求的URL地址  
         request = (HttpWebRequest)WebRequest.Create(item.URL);
         SetCerList(item);
     }
 }
Exemplo n.º 8
0
 /// <summary>  
 /// 为请求准备参数  
 /// </summary>  
 ///<param name="item">参数列表</param>  
 private void SetRequest(HttpItem item)
 {
     // 验证证书  
     SetCer(item);
     //设置Header参数  
     if (item.Header != null && item.Header.Count > 0)
         foreach (string key in item.Header.AllKeys)
         {
             request.Headers.Add(key, item.Header[key]);
         }
     // 设置代理  
     SetProxy(item);
     if (item.ProtocolVersion != null) request.ProtocolVersion = item.ProtocolVersion;
     request.ServicePoint.Expect100Continue = item.Expect100Continue;
     //请求方式Get或者Post  
     request.Method = item.Method;
     request.Timeout = item.Timeout;
     request.KeepAlive = item.KeepAlive;
     request.ReadWriteTimeout = item.ReadWriteTimeout;
     if (item.IfModifiedSince != null) request.IfModifiedSince = Convert.ToDateTime(item.IfModifiedSince);
     //Accept  
     request.Accept = item.Accept;
     //ContentType返回类型  
     request.ContentType = item.ContentType;
     //UserAgent客户端的访问类型,包括浏览器版本和操作系统信息  
     request.UserAgent = item.UserAgent;
     // 编码  
     encoding = item.Encoding;
     //设置安全凭证  
     request.Credentials = item.ICredentials;
     //设置Cookie  
     SetCookie(item);
     //来源地址  
     request.Referer = item.Referer;
     //是否执行跳转功能  
     request.AllowAutoRedirect = item.Allowautoredirect;
     if (item.MaximumAutomaticRedirections > 0)
     {
         request.MaximumAutomaticRedirections = item.MaximumAutomaticRedirections;
     }
     //设置Post数据  
     SetPostData(item);
     //设置最大连接  
     if (item.Connectionlimit > 0) request.ServicePoint.ConnectionLimit = item.Connectionlimit;
 }
Exemplo n.º 9
0
 /// <summary>  
 /// 设置编码  
 /// </summary>  
 /// <param name="item">HttpItem</param>  
 /// <param name="result">HttpResult</param>  
 /// <param name="ResponseByte">byte[]</param>  
 private void SetEncoding(HttpItem item, HttpResult result, byte[] ResponseByte)
 {
     //是否返回Byte类型数据  
     if (item.ResultType == ResultType.Byte) result.ResultByte = ResponseByte;
     //从这里开始我们要无视编码了  
     if (encoding == null)
     {
         Match meta = Regex.Match(Encoding.Default.GetString(ResponseByte), "<meta[^<]*charset=([^<]*)[\"']", RegexOptions.IgnoreCase);
         string c = string.Empty;
         if (meta != null && meta.Groups.Count > 0)
         {
             c = meta.Groups[1].Value.ToLower().Trim();
         }
         if (c.Length > 2)
         {
             try
             {
                 encoding = Encoding.GetEncoding(c.Replace("\"", string.Empty).Replace("'", "").Replace(";", "").Replace("iso-8859-1", "gbk").Trim());
             }
             catch
             {
                 if (string.IsNullOrEmpty(response.CharacterSet))
                 {
                     encoding = Encoding.UTF8;
                 }
                 else
                 {
                     encoding = Encoding.GetEncoding(response.CharacterSet);
                 }
             }
         }
         else
         {
             if (string.IsNullOrEmpty(response.CharacterSet))
             {
                 encoding = Encoding.UTF8;
             }
             else
             {
                 encoding = Encoding.GetEncoding(response.CharacterSet);
             }
         }
     }
 }