/// <summary>
/// ����������
/// </summary>
///<param name="objhttpItem">�����б�</param>
private void SetRequest(HttpItem objhttpItem)
{
// ��֤֤��
SetCer(objhttpItem);
//����Header����
if (objhttpItem.Header != null && objhttpItem.Header.Count > 0) foreach (string item in objhttpItem.Header.AllKeys)
{
request.Headers.Add(item, objhttpItem.Header[item]);
}
// ����
SetProxy(objhttpItem);
if (objhttpItem.ProtocolVersion != null) request.ProtocolVersion = objhttpItem.ProtocolVersion;
request.ServicePoint.Expect100Continue = objhttpItem.Expect100Continue;
//����ʽGet����Post
request.Method = objhttpItem.Method;
request.Timeout = objhttpItem.Timeout;
request.ReadWriteTimeout = objhttpItem.ReadWriteTimeout;
//Accept
request.Accept = objhttpItem.Accept;
//ContentType��������
request.ContentType = objhttpItem.ContentType;
//UserAgent�ͻ��˵ķ������ͣ�����������汾�Ͳ���ϵͳ��Ϣ
request.UserAgent = objhttpItem.UserAgent;
// ����
encoding = objhttpItem.Encoding;
//����Cookie
SetCookie(objhttpItem);
//��Դ��ַ
request.Referer = objhttpItem.Referer;
//�Ƿ�ִ����ת����
request.AllowAutoRedirect = objhttpItem.Allowautoredirect;
//����Post����
SetPostData(objhttpItem);
//�����������
if (objhttpItem.Connectionlimit > 0) request.ServicePoint.ConnectionLimit = objhttpItem.Connectionlimit;
}
/// <summary>
/// ����Post����
/// </summary>
/// <param name="objhttpItem">Http����</param>
private void SetPostData(HttpItem objhttpItem)
{
//��֤�ڵõ����ʱ�Ƿ��д�������
if (request.Method.Trim().ToLower().Contains("post"))
{
if (objhttpItem.PostEncoding != null)
{
postencoding = objhttpItem.PostEncoding;
}
byte[] buffer = null;
//�Byte����
if (objhttpItem.PostDataType == PostDataType.Byte && objhttpItem.PostdataByte != null && objhttpItem.PostdataByte.Length > 0)
{
//��֤�ڵõ����ʱ�Ƿ��д�������
buffer = objhttpItem.PostdataByte;
}//д���ļ�
else if (objhttpItem.PostDataType == PostDataType.FilePath && !string.IsNullOrEmpty(objhttpItem.Postdata))
{
StreamReader r = new StreamReader(objhttpItem.Postdata, postencoding);
buffer = postencoding.GetBytes(r.ReadToEnd());
r.Close();
} //д���ַ���
else if (!string.IsNullOrEmpty(objhttpItem.Postdata))
{
buffer = postencoding.GetBytes(objhttpItem.Postdata);
}
if (buffer != null)
{
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
}
}
}
/// <summary>
/// ����
/// </summary>
/// <param name="objhttpItem">��������</param>
private void SetProxy(HttpItem objhttpItem)
{
if (!string.IsNullOrEmpty(objhttpItem.ProxyIp))
{
//���������
if (objhttpItem.ProxyIp.Contains(":"))
{
string[] plist = objhttpItem.ProxyIp.Split(':');
WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim()));
//��������
myProxy.Credentials = new NetworkCredential(objhttpItem.ProxyUserName, objhttpItem.ProxyPwd);
//����ǰ�������
request.Proxy = myProxy;
}
else
{
WebProxy myProxy = new WebProxy(objhttpItem.ProxyIp, false);
//��������
myProxy.Credentials = new NetworkCredential(objhttpItem.ProxyUserName, objhttpItem.ProxyPwd);
//����ǰ�������
request.Proxy = myProxy;
}
//���ð�ȫƾ֤
request.Credentials = CredentialCache.DefaultNetworkCredentials;
}
}
/// <summary>
/// ����Cookie
/// </summary>
/// <param name="objhttpItem">Http����</param>
private void SetCookie(HttpItem objhttpItem)
{
if (!string.IsNullOrEmpty(objhttpItem.Cookie))
//Cookie
request.Headers[HttpRequestHeader.Cookie] = objhttpItem.Cookie;
//����Cookie
if (objhttpItem.CookieCollection != null)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(objhttpItem.CookieCollection);
}
}
/// <summary>
/// ���ö��֤��
/// </summary>
/// <param name="objhttpItem"></param>
private void SetCerList(HttpItem objhttpItem)
{
if (objhttpItem.ClentCertificates != null && objhttpItem.ClentCertificates.Count > 0)
{
foreach (X509Certificate item in objhttpItem.ClentCertificates)
{
request.ClientCertificates.Add(item);
}
}
}
/// <summary>
/// ����֤��
/// </summary>
/// <param name="objhttpItem"></param>
private void SetCer(HttpItem objhttpItem)
{
if (!string.IsNullOrEmpty(objhttpItem.CerPath))
{
//��һ��һ��Ҫд�ڴ������ӵ�ǰ�档ʹ�ûص��ķ�������֤����֤��
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
//��ʼ���������������URL��ַ
request = (HttpWebRequest)WebRequest.Create(objhttpItem.URL);
SetCerList(objhttpItem);
//��֤����ӵ�������
request.ClientCertificates.Add(new X509Certificate(objhttpItem.CerPath));
}
else
{
//��ʼ���������������URL��ַ
request = (HttpWebRequest)WebRequest.Create(objhttpItem.URL);
SetCerList(objhttpItem);
}
}
/// <summary>
/// �����ഫ������ݣ��õ���Ӧҳ������
/// </summary>
/// <param name="objhttpitem">���������</param>
/// <returns>����HttpResult����</returns>
public HttpResult GetHtml(HttpItem objhttpitem)
{
//���ز���
HttpResult result = new HttpResult();
try
{
//������
SetRequest(objhttpitem);
}
catch (Exception ex)
{
result = new HttpResult();
result.Cookie = string.Empty;
result.Header = null;
result.Html = ex.Message;
result.StatusDescription = "���ò���ʱ�����" + ex.Message;
return result;
}
try
{
#region �õ������response
using (response = (HttpWebResponse)request.GetResponse())
{
result.StatusCode = response.StatusCode;
result.StatusDescription = response.StatusDescription;
result.Header = response.Headers;
if (response.Cookies != null) result.CookieCollection = response.Cookies;
if (response.Headers["set-cookie"] != null) result.Cookie = response.Headers["set-cookie"];
MemoryStream _stream = new MemoryStream();
//GZIIP����
if (response.ContentEncoding != null && response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase))
{
//��ʼ��ȡ�������ñ��뷽ʽ
//new GZipStream(response.GetResponseStream(), CompressionMode.Decompress).CopyTo(_stream, 10240);
//.net4.0�����
_stream = GetMemoryStream(new GZipStream(response.GetResponseStream(), CompressionMode.Decompress));
}
else
{
//��ʼ��ȡ�������ñ��뷽ʽ
//response.GetResponseStream().CopyTo(_stream, 10240);
//.net4.0�����
_stream = GetMemoryStream(response.GetResponseStream());
}
//��ȡByte
byte[] RawResponse = _stream.ToArray();
_stream.Close();
//�Ƿ�Byte��������
if (objhttpitem.ResultType == ResultType.Byte) result.ResultByte = RawResponse;
//�����￪ʼ����Ҫ���ӱ�����
if (encoding == null)
{
Match meta = Regex.Match(Encoding.Default.GetString(RawResponse), "<meta([^<]*)charset=([^<]*)[\"']", RegexOptions.IgnoreCase);
string charter = (meta.Groups.Count > 1) ? meta.Groups[2].Value.ToLower() : string.Empty;
if (charter.Length > 2)
encoding = Encoding.GetEncoding(charter.Trim().Replace("\"", "").Replace("'", "").Replace(";", "").Replace("iso-8859-1", "gbk"));
else
{
if (string.IsNullOrEmpty(response.CharacterSet)) encoding = Encoding.UTF8;
else encoding = Encoding.GetEncoding(response.CharacterSet);
}
}
//�õ����ص�HTML
result.Html = encoding.GetString(RawResponse);
}
#endregion
}
catch (WebException ex)
{
//�������ڷ����쳣ʱ���صĴ�����Ϣ
response = (HttpWebResponse)ex.Response;
result.Html = ex.Message;
if (response != null)
{
result.StatusCode = response.StatusCode;
result.StatusDescription = response.StatusDescription;
}
}
catch (Exception ex)
{
result.Html = ex.Message;
}
if (objhttpitem.IsToLower) result.Html = result.Html.ToLower();
return result;
}
public VersionUpdate()
{
httpItem = new HttpItem();
httpHelper = new HttpHelper();
}