public static void InsertHeaderFieldIfNeed(StringCollection source, string name, string theValue)
{
if (!StringUtils.IsEmpty(theValue))
{
HeaderFieldList fieldList = new HeaderFieldList();
int index = GetHeaderFieldList(0, source, fieldList);
if (!fieldList.ContainsField(name))
{
if ((index < 0) || (index > source.Count))
{
index = source.Count;
}
theValue = theValue.Replace("\r\n", "\r\n\t");
if (theValue[theValue.Length - 1] == '\t')
{
theValue = theValue.Substring(0, theValue.Length - 1);
}
foreach (string str in StringUtils.GetStringArray(string.Format("{0}: {1}", name, theValue)))
{
source.Insert(index, str);
index++;
}
}
}
}
protected virtual void ParseResponseCookie(string cookieData)
{
if (!StringUtils.IsEmpty(cookieData))
{
string str = cookieData;
string headerFieldValueItem = "";
int index = cookieData.IndexOf("=");
if (index > -1)
{
str = cookieData.Substring(0, index);
headerFieldValueItem = HeaderFieldList.GetHeaderFieldValueItem(cookieData, str.ToLower(CultureInfo.InvariantCulture) + "=");
}
if (this[str] == null)
{
CookieItem item = new CookieItem();
this.Add(item);
item.Name = str;
item.Value = headerFieldValueItem;
item.Expires = this.GetExpires(cookieData);
item.Domain = HeaderFieldList.GetHeaderFieldValueItem(cookieData, "domain=");
item.Path = HeaderFieldList.GetHeaderFieldValueItem(cookieData, "path=");
item.Secure = cookieData.ToLower(CultureInfo.InvariantCulture).IndexOf("secure") > -1;
item.CookieData = cookieData;
}
}
}
private bool Redirect(StringCollectionEx requestHeader, string[] responseText, ref string method)
{
string location = ResponseHeader.Location;
var e = new HttpRedirectEventArgs(requestHeader.ToArray(), statusCode, ResponseHeader, responseText, method,
false, false);
string resourcePath = GetResourcePath();
OnRedirecting(e);
method = e.Method;
if (e.Handled || StringUtils.IsEmpty(location))
{
return(e.CanRedirect);
}
url.Parse(Url.Url, location);
if (StringUtils.IsEmpty(Url.AbsoluteUri))
{
return(false);
}
method = GetRedirectMethod(StatusCode, method);
if (GetResourcePath().IndexOf(resourcePath) != 0)
{
var fieldList = new HeaderFieldList();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, "Authorization");
}
return(true);
}
public void ParseHeader(IList header)
{
this.BeginUpdate();
try
{
this.Clear();
HeaderFieldList fieldList = new HeaderFieldList();
HeaderFieldList.GetHeaderFieldList(0, header, fieldList);
this.InternalParseHeader(header, fieldList);
StringCollectionEx ex = new StringCollectionEx();
foreach (HeaderField field in fieldList)
{
if (!this.knownFields.Contains(field.Name, true))
{
ex.Add(field.Name + ": " + HeaderFieldList.GetHeaderFieldValue(header, field));
}
}
if (ex.Count > 0)
{
this.ExtraFields = ex.ToArray();
}
}
finally
{
this.EndUpdate();
}
}
protected virtual void ParseContentType(IList header, HeaderFieldList fieldList)
{
string source = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Type");
this.ContentType = HeaderFieldList.GetHeaderFieldValueItem(source, string.Empty);
this.Boundary = HeaderFieldList.GetHeaderFieldValueItem(source, "boundary=");
this.CharSet = HeaderFieldList.GetHeaderFieldValueItem(source, "charset=");
}
protected internal override void ParseHeader(IList header, HeaderFieldList fieldList)
{
base.ParseHeader(header, fieldList);
this.ContentType = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Type");
string source = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Disposition");
this.FieldName = HeaderFieldList.GetHeaderFieldValueItem(source, "name=");
}
private void SetAuthChallenge(StringCollection header, string fieldName, IEnumerable authChallenge)
{
if (authChallenge != null)
{
foreach (string str in authChallenge)
{
HeaderFieldList.AddHeaderField(header, fieldName, str);
}
}
}
private string GetExpires(string cookieData)
{
int index = cookieData.ToLower(CultureInfo.InvariantCulture).IndexOf("expires=");
if (index > -1)
{
return(HeaderFieldList.GetHeaderFieldValueItem(cookieData.Substring(index + "expires=".Length).Replace(",", "=="), string.Empty).Replace("==", ","));
}
return(string.Empty);
}
private void ProcessCookies(StringCollection responseHeader, HeaderFieldList fieldList, string fieldName)
{
foreach (HeaderField field in fieldList)
{
if (string.Compare(field.Name, fieldName, true, CultureInfo.InvariantCulture) == 0)
{
this.ParseResponseCookie(HeaderFieldList.GetHeaderFieldValue(responseHeader, field));
}
}
}
protected virtual void AssignContentType(StringCollection header)
{
string contentType = this.ContentType;
if (!StringUtils.IsEmpty(contentType))
{
contentType = AddHttpFieldItem(AddHttpFieldItem(contentType, "boundary", this.Boundary), "charset", this.CharSet);
HeaderFieldList.AddHeaderField(header, "Content-Type", contentType);
}
}
private HttpRequestItem CreateMultiPartItem(string header)
{
ClearDataStream();
string[] stringArray = StringUtils.GetStringArray(header);
var fieldList = new HeaderFieldList();
HeaderFieldList.GetHeaderFieldList(0, stringArray, fieldList);
HttpRequestItem item = CreateItem(stringArray, fieldList);
item.ParseHeader(stringArray, fieldList);
return(item);
}
private string[] GetAuthChallenge(IList header, HeaderFieldList fieldList, string fieldName)
{
ArrayList list = new ArrayList();
foreach (HeaderField field in fieldList)
{
if (string.Compare(fieldName, field.Name, true, CultureInfo.InvariantCulture) == 0)
{
list.Add(HeaderFieldList.GetHeaderFieldValue(header, field));
}
}
return((string[])list.ToArray(typeof(string)));
}
protected override void InternalAssignHeader(StringCollection header)
{
HeaderFieldList.AddHeaderField(header, "Allow", this.Allow);
HeaderFieldList.AddHeaderField(header, "Accept-Ranges", this.AcceptRanges);
HeaderFieldList.AddHeaderField(header, "Age", this.Age);
HeaderFieldList.AddHeaderField(header, "Content-Range", this.ContentRange);
HeaderFieldList.AddHeaderField(header, "ETag", this.ETag);
HeaderFieldList.AddHeaderField(header, "Location", this.Location);
HeaderFieldList.AddHeaderField(header, "Retry-After", this.RetryAfter);
HeaderFieldList.AddHeaderField(header, "Server", this.Server);
this.SetAuthChallenge(header, "WWW-Authenticate", this.Authenticate);
this.SetAuthChallenge(header, "Proxy-Authenticate", this.ProxyAuthenticate);
base.InternalAssignHeader(header);
}
protected override void InternalParseHeader(IList header, HeaderFieldList fieldList)
{
base.InternalParseHeader(header, fieldList);
this.AcceptRanges = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Accept-Ranges");
this.Age = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Age");
this.Allow = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Allow");
this.ContentRange = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Range");
this.ETag = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "ETag");
this.Location = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Location");
this.RetryAfter = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Retry-After");
this.Server = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Server");
this.Authenticate = this.GetAuthChallenge(header, fieldList, "WWW-Authenticate");
this.ProxyAuthenticate = this.GetAuthChallenge(header, fieldList, "Proxy-Authenticate");
}
protected override void InternalParseHeader(IList header, HeaderFieldList fieldList)
{
base.InternalParseHeader(header, fieldList);
this.Accept = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Accept");
this.AcceptCharSet = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Accept-Charset");
this.AcceptEncoding = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Accept-Encoding");
this.AcceptLanguage = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Accept-Language");
this.Authorization = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Authorization");
this.Host = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Host");
this.ProxyAuthorization = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Proxy-Authorization");
this.Range = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Range");
this.Referer = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Referer");
this.UserAgent = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "User-Agent");
}
private void RemoveCookies(StringCollection requestHeader)
{
HeaderFieldList fieldList = new HeaderFieldList();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
for (int i = fieldList.Count - 1; i >= 0; i--)
{
HeaderField field = fieldList[i];
if (string.Compare(field.Name, "cookie", true, CultureInfo.InvariantCulture) == 0)
{
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, field);
}
}
}
protected override void InternalAssignHeader(StringCollection header)
{
HeaderFieldList.AddHeaderField(header, "Accept", this.Accept);
HeaderFieldList.AddHeaderField(header, "Accept-Charset", this.AcceptCharSet);
HeaderFieldList.AddHeaderField(header, "Accept-Encoding", this.AcceptEncoding);
HeaderFieldList.AddHeaderField(header, "Accept-Language", this.AcceptLanguage);
HeaderFieldList.AddHeaderField(header, "Range", this.Range);
HeaderFieldList.AddHeaderField(header, "Referer", this.Referer);
HeaderFieldList.AddHeaderField(header, "Host", this.Host);
HeaderFieldList.AddHeaderField(header, "User-Agent", this.UserAgent);
HeaderFieldList.AddHeaderField(header, "Authorization", this.Authorization);
HeaderFieldList.AddHeaderField(header, "Proxy-Authorization", this.ProxyAuthorization);
base.InternalAssignHeader(header);
}
public void SetRequestCookies(StringCollection requestHeader)
{
this.RemoveCookies(requestHeader);
string str = "";
foreach (CookieItem item in this)
{
str = str + this.BuildRequestCookie(item) + "; ";
}
if (!StringUtils.IsEmpty(str))
{
str = str.Substring(0, str.Length - "; ".Length);
}
HeaderFieldList.AddHeaderField(requestHeader, "Cookie", str);
}
public void GetResponseCookies(StringCollection responseHeader)
{
base.Clear();
HeaderFieldList fieldList = new HeaderFieldList();
HeaderFieldList.GetHeaderFieldList(0, responseHeader, fieldList);
if (!StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(responseHeader, fieldList, "set-cookie2")))
{
this.ProcessCookies(responseHeader, fieldList, "set-cookie2");
}
else
{
this.ProcessCookies(responseHeader, fieldList, "set-cookie");
}
}
protected virtual void InternalParseHeader(IList header, HeaderFieldList fieldList)
{
this.CacheControl = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Cache-Control");
this.Connection = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Connection");
this.ContentEncoding = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Encoding");
this.ContentLanguage = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Language");
this.ContentLength = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Length");
this.ContentVersion = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Version");
this.Date = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Date");
this.Expires = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Expires");
this.LastModified = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Last-Modified");
this.ProxyConnection = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Proxy-Connection");
this.TransferEncoding = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Transfer-Encoding");
this.ParseContentType(header, fieldList);
}
public static void RemoveHeaderField(StringCollection source, HeaderFieldList fieldList, HeaderField field)
{
if (field != null)
{
fieldList.Remove(field);
int index = int.Parse(field.Value);
source.RemoveAt(index);
while (index < source.Count)
{
if (StringUtils.IsEmpty(source[index]) || ((source[index][0] != '\t') && (source[index][0] != ' ')))
{
break;
}
source.RemoveAt(index);
}
}
}
protected virtual HttpRequestItem CreateItem(IList header, HeaderFieldList fieldList)
{
string source = HeaderFieldList.GetHeaderFieldValue(header, fieldList, "Content-Disposition");
if (
!HeaderFieldList.GetHeaderFieldValueItem(source, "").ToLower(CultureInfo.InvariantCulture).Equals(
"form-data"))
{
return(Items.AddTextData(""));
}
string headerFieldValueItem = HeaderFieldList.GetHeaderFieldValueItem(source, "filename=");
if (!StringUtils.IsEmpty(headerFieldValueItem))
{
return(Items.AddSubmitFile(headerFieldValueItem, ""));
}
return(Items.AddFormField(HeaderFieldList.GetHeaderFieldValueItem(source, "name="), string.Empty));
}
protected virtual void InternalAssignHeader(StringCollection header)
{
HeaderFieldList.AddHeaderField(header, "Content-Encoding", this.ContentEncoding);
HeaderFieldList.AddHeaderField(header, "Content-Language", this.ContentLanguage);
HeaderFieldList.AddHeaderField(header, "Content-Length", this.ContentLength);
HeaderFieldList.AddHeaderField(header, "Content-Version", this.ContentVersion);
this.AssignContentType(header);
HeaderFieldList.AddHeaderField(header, "Date", this.Date);
HeaderFieldList.AddHeaderField(header, "Expires", this.Expires);
HeaderFieldList.AddHeaderField(header, "LastModified", this.LastModified);
HeaderFieldList.AddHeaderField(header, "Transfer-Encoding", this.TransferEncoding);
HeaderFieldList.AddHeaderField(header, "Cache-Control", this.CacheControl);
HeaderFieldList.AddHeaderField(header, "Connection", this.Connection);
HeaderFieldList.AddHeaderField(header, "Proxy-Connection", this.ProxyConnection);
if (this.ExtraFields != null)
{
header.AddRange(this.ExtraFields);
}
}
public static void RemoveHeaderField(ArrayList source, HeaderFieldList fieldList, string name)
{
HeaderField field = fieldList[name];
if (field != null)
{
fieldList.Remove(field);
int index = int.Parse(field.Value);
source.RemoveAt(index);
while (index < source.Count)
{
string str = (string)source[index];
if (StringUtils.IsEmpty(str) || ((str[0] != '\t') && (str[0] != ' ')))
{
break;
}
source.RemoveAt(index);
}
}
}
public static int GetHeaderFieldList(int startFrom, IList source, HeaderFieldList fieldList)
{
if (source == null)
{
return(startFrom);
}
for (int i = startFrom; i < source.Count; i++)
{
string str = (string)source[i];
if (StringUtils.IsEmpty(str))
{
return(i);
}
if ((str[0] != '\t') && (str[0] != ' '))
{
int index = str.IndexOf(":");
if (index >= 0)
{
fieldList.Add(str.Substring(0, index), i.ToString(CultureInfo.InvariantCulture));
}
}
}
return(source.Count);
}
private void PrepareRequestHeader(HttpTunnelStatus tunnelStatus, StringCollection requestHeader,
Stream requestBody)
{
string str2;
RemoveRequestLine(requestHeader);
RemoveHeaderTrailer(requestHeader);
string absolutePath = Url.AbsolutePath;
if (IsUseProxy())
{
switch (tunnelStatus)
{
case HttpTunnelStatus.None:
absolutePath = Url.AbsoluteUri;
break;
case HttpTunnelStatus.Connect:
absolutePath = string.Format("{0}:{1}", Url.Host, Url.Port);
break;
}
}
if (StringUtils.IsEmpty(absolutePath))
{
absolutePath = "/";
}
requestHeader.Insert(0, string.Format("{0} {1} {2}", method, absolutePath, httpVersions[(int)HttpVersion]));
var fieldList = new HeaderFieldList();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, "Host");
fieldList.Clear();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
if (AllowCompression &&
StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList, "Accept-Encoding")))
{
HeaderFieldList.AddHeaderField(requestHeader, "Accept-Encoding", "gzip, deflate");
}
if (!StringUtils.IsEmpty(Url.Host))
{
str2 = Url.Host + GetPortIfNeed(Url.Port);
}
else
{
str2 = base.Server + GetPortIfNeed(base.Port);
}
HeaderFieldList.AddHeaderField(requestHeader, "Host", str2);
if (StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList, "User-Agent")))
{
HeaderFieldList.AddHeaderField(requestHeader, "User-Agent", UserAgent);
}
string val = HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList, "Content-Length");
if (requestBody.Length == 0L)
{
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, "Content-Length");
fieldList.Clear();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, "Content-Type");
fieldList.Clear();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
}
else if (StringUtils.IsEmpty(val) &&
((tunnelStatus == HttpTunnelStatus.Connect) || (requestBody.Length > 0L)))
{
HeaderFieldList.AddHeaderField(requestHeader, "Content-Length", requestBody.Length.ToString());
}
if (!AllowCaching &&
StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList,
cacheFields[(int)HttpVersion])))
{
HeaderFieldList.AddHeaderField(requestHeader, cacheFields[(int)HttpVersion], "no-cache");
}
if (KeepConnection &&
StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList,
connFields[IsUseProxy() ? 1 : 0])))
{
HeaderFieldList.AddHeaderField(requestHeader, connFields[IsUseProxy() ? 1 : 0], "Keep-Alive");
}
if (AllowCookies)
{
Cookies.SetRequestCookies(requestHeader);
}
requestHeader.Add("");
}
public static string GetHeaderFieldValue(IList source, HeaderFieldList fieldList, string name)
{
return(GetHeaderFieldValue(source, fieldList[name.ToLower(CultureInfo.InvariantCulture)]));
}
public static void RemoveHeaderField(StringCollection source, HeaderFieldList fieldList, string name)
{
RemoveHeaderField(source, fieldList, fieldList[name]);
}
protected internal virtual void ParseHeader(IList header, HeaderFieldList fieldList)
{
}
