Ejemplo n.º 1
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.IsNullOrWhiteSpace(item.ProxyIp))
     {
         isIeProxy = item.ProxyIp.ToLower().Contains("ieproxy");
     }
     if (!string.IsNullOrWhiteSpace(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;
     }
 }
Ejemplo n.º 2
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 (!string.IsNullOrWhiteSpace(item.Host))
            {
                request.Host = item.Host;
            }
            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;
        }
Ejemplo n.º 3
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);
             }
         }
     }
 }
Ejemplo n.º 4
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.IsNullOrWhiteSpace(item.Postdata))
         {
             StreamReader r = new StreamReader(item.Postdata, postencoding);
             buffer = postencoding.GetBytes(r.ReadToEnd());
             r.Close();
         } //写入字符串
         else if (!string.IsNullOrWhiteSpace(item.Postdata))
         {
             buffer = postencoding.GetBytes(item.Postdata);
         }
         if (buffer != null)
         {
             request.ContentLength = buffer.Length;
             request.GetRequestStream().Write(buffer, 0, buffer.Length);
         }
     }
 }
Ejemplo n.º 5
0
 /// <summary>
 /// 设置Cookie
 /// </summary>
 /// <param name="item">Http参数</param>
 private void SetCookie(HttpItem item)
 {
     switch (item.ResultCookieType)
     {
         case ResultCookieType.String:
             if (!string.IsNullOrEmpty(item.Cookie)) request.Headers[HttpRequestHeader.Cookie] = item.Cookie;
             break;
         case ResultCookieType.CookieCollection:
             request.CookieContainer = new CookieContainer();
             if (item.CookieCollection != null && item.CookieCollection.Count > 0)
                 request.CookieContainer.Add(item.CookieCollection);
             break;
            case  ResultCookieType.CookieContainer:
             request.CookieContainer = item.CookieContainer;
             break;
     }
 }
Ejemplo 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);
         }
     }
 }
Ejemplo n.º 7
0
 /// <summary>
 /// 设置证书
 /// </summary>
 /// <param name="item"></param>
 private void SetCer(HttpItem item)
 {
     if (!string.IsNullOrWhiteSpace(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);
     }
 }
Ejemplo n.º 8
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;
            //获取最后访问的URl
            result.ResponseUri = response.ResponseUri.ToString();
            //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
        }
Ejemplo n.º 9
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)
     {
         //配置参数时出错
         return new HttpResult() { Cookie = string.Empty, Header = null, Html = ex.Message, StatusDescription = "配置参数时出错:" + ex.Message };
     }
     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;
 }