/// <summary>
/// 涓鸿姹傚噯澶囧弬鏁?
/// </summary>
///<param name="item">鍙傛暟鍒楄〃</param>
private void SetRequest(HttpItem item)
{
// 楠岃瘉璇佷功
SetCer(item);
//璁剧疆Header鍙傛暟
if (item.Header != null && item.Header.Count > 0) foreach (string key in item.Header.AllKeys)
{
request.Headers.Add(key, item.Header[key]);
}
// 璁剧疆浠ｇ悊
SetProxy(item);
if (item.ProtocolVersion != null) request.ProtocolVersion = item.ProtocolVersion;
request.ServicePoint.Expect100Continue = item.Expect100Continue;
//璇锋眰鏂瑰紡Get鎴栬€匬ost
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杩斿洖绫诲瀷
request.ContentType = item.ContentType;
//UserAgent瀹㈡埛绔殑璁块棶绫诲瀷锛屽寘鎷祻瑙堝櫒鐗堟湰鍜屾搷浣滅郴缁熶俊鎭?
request.UserAgent = item.UserAgent;
// 缂栫爜
encoding = item.Encoding;
//璁剧疆瀹夊叏鍑瘉
request.Credentials = item.ICredentials;
//璁剧疆Cookie
SetCookie(item);
//鏉ユ簮鍦板潃
request.Referer = item.Referer;
//鏄惁鎵ц璺宠浆鍔熻兘
request.AllowAutoRedirect = item.Allowautoredirect;
if (item.MaximumAutomaticRedirections > 0)
{
request.MaximumAutomaticRedirections = item.MaximumAutomaticRedirections;
}
//璁剧疆Post鏁版嵁
SetPostData(item);
//璁剧疆鏈€澶ц繛鎺?
if (item.Connectionlimit > 0) request.ServicePoint.ConnectionLimit = item.Connectionlimit;
}
/// <summary>
/// 鏍规嵁鐩镐紶鍏ョ殑鏁版嵁锛屽緱鍒扮浉搴旈〉闈㈡暟鎹?
/// </summary>
/// <param name="item">鍙傛暟绫诲璞?/param>
/// <returns>杩斿洖HttpResult绫诲瀷</returns>
public HttpResult GetHtml(HttpItem item)
{
//杩斿洖鍙傛暟
HttpResult result = new HttpResult();
try
{
//鍑嗗鍙傛暟
SetRequest(item);
}
catch (Exception ex)
{
result.Cookie = string.Empty;
result.Header = null;
result.Html = ex.Message;
result.StatusDescription = "閰嶇疆鍙傛暟鏃跺嚭閿欙細" + ex.Message;
//閰嶇疆鍙傛暟鏃跺嚭閿?
return result;
}
try
{
//璇锋眰鏁版嵁
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;
}
/// <summary>
/// 璁剧疆Post鏁版嵁
/// </summary>
/// <param name="item">Http鍙傛暟</param>
private void SetPostData(HttpItem item)
{
//楠岃瘉鍦ㄥ緱鍒扮粨鏋滄椂鏄惁鏈変紶鍏ユ暟鎹?
if (!request.Method.Trim().ToLower().Contains("get"))
{
if (item.PostEncoding != null)
{
postencoding = item.PostEncoding;
}
byte[] buffer = null;
//鍐欏叆Byte绫诲瀷
if (item.PostDataType == PostDataType.Byte && item.PostdataByte != null && item.PostdataByte.Length > 0)
{
//楠岃瘉鍦ㄥ緱鍒扮粨鏋滄椂鏄惁鏈変紶鍏ユ暟鎹?
buffer = item.PostdataByte;
}//鍐欏叆鏂囦欢
else if (item.PostDataType == PostDataType.FilePath && !string.IsNullOrEmpty(item.Postdata))
{
StreamReader r = new StreamReader(item.Postdata, postencoding);
buffer = postencoding.GetBytes(r.ReadToEnd());
r.Close();
} //鍐欏叆瀛楃涓?
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);
}
}
}
/// <summary>
/// 璁剧疆浠ｇ悊
/// </summary>
/// <param name="item">鍙傛暟瀵硅薄</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)
{
//璁剧疆浠ｇ悊鏈嶅姟鍣?
if (item.ProxyIp.Contains(":"))
{
string[] plist = item.ProxyIp.Split(':');
WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim()));
//寤鸿杩炴帴
myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
//缁欏綋鍓嶈姹傚璞?
request.Proxy = myProxy;
}
else
{
WebProxy myProxy = new WebProxy(item.ProxyIp, false);
//寤鸿杩炴帴
myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
//缁欏綋鍓嶈姹傚璞?
request.Proxy = myProxy;
}
}
else if (isIeProxy)
{
//璁剧疆涓篒E浠ｇ悊
}
else
{
request.Proxy = item.WebProxy;
}
}
/// <summary>
/// 璁剧疆Cookie
/// </summary>
/// <param name="item">Http鍙傛暟</param>
private void SetCookie(HttpItem item)
{
if (!string.IsNullOrEmpty(item.Cookie)) request.Headers[HttpRequestHeader.Cookie] = item.Cookie;
//璁剧疆CookieCollection
if (item.ResultCookieType == ResultCookieType.CookieCollection)
{
request.CookieContainer = new CookieContainer();
if (item.CookieCollection != null && item.CookieCollection.Count > 0)
request.CookieContainer.Add(item.CookieCollection);
}
}
/// <summary>
/// 璁剧疆缂栫爜
/// </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)
{
//鏄惁杩斿洖Byte绫诲瀷鏁版嵁
if (item.ResultType == ResultType.Byte) result.ResultByte = ResponseByte;
//浠庤繖閲屽紑濮嬫垜浠鏃犺缂栫爜浜?
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);
}
}
}
}
/// <summary>
/// 璁剧疆璇佷功
/// </summary>
/// <param name="item"></param>
private void SetCer(HttpItem item)
{
if (!string.IsNullOrEmpty(item.CerPath))
{
//杩欎竴鍙ヤ竴瀹氳鍐欏湪鍒涘缓杩炴帴鐨勫墠闈€備娇鐢ㄥ洖璋冪殑鏂规硶杩涜璇佷功楠岃瘉銆?
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
//鍒濆鍖栧鍍忥紝骞惰缃姹傜殑URL鍦板潃
request = (HttpWebRequest)WebRequest.Create(item.URL);
SetCerList(item);
//灏嗚瘉涔︽坊鍔犲埌璇锋眰閲?
request.ClientCertificates.Add(new X509Certificate(item.CerPath));
}
else
{
//鍒濆鍖栧鍍忥紝骞惰缃姹傜殑URL鍦板潃
request = (HttpWebRequest)WebRequest.Create(item.URL);
SetCerList(item);
}
}
/// <summary>
/// 璁剧疆澶氫釜璇佷功
/// </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);
}
}
}
/// <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;
}
/// <summary>
/// 鑾峰彇鏁版嵁鐨勫苟瑙ｆ瀽鐨勬柟娉?
/// </summary>
/// <param name="item"></param>
/// <param name="result"></param>
private void GetData(HttpItem item, HttpResult result)
{
#region base
//鑾峰彇StatusCode
result.StatusCode = response.StatusCode;
//鑾峰彇StatusDescription
result.StatusDescription = response.StatusDescription;
//鑾峰彇Headers
result.Header = response.Headers;
//鑾峰彇CookieCollection
if (response.Cookies != null) result.CookieCollection = response.Cookies;
//鑾峰彇set-cookie
if (response.Headers["set-cookie"] != null) result.Cookie = response.Headers["set-cookie"];
#endregion base
#region byte
//澶勭悊缃戦〉Byte
byte[] ResponseByte = GetByte();
#endregion byte
#region Html
if (ResponseByte != null & ResponseByte.Length > 0)
{
//璁剧疆缂栫爜
SetEncoding(item, result, ResponseByte);
//寰楀埌杩斿洖鐨凥TML
result.Html = encoding.GetString(ResponseByte);
}
else
{
//娌℃湁杩斿洖浠讳綍Html浠ｇ爜
result.Html = string.Empty;
}
#endregion Html
}
/// <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;
}
/// <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;
}
}
/// <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);
}
}
}
/// <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);
}
}
/// <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
}