private DataContentTypeEncoding DetermineServerResponseContentTypeEncoding(Dictionary <string, List <string> > headers)
{
DataContentTypeEncoding contentTypeEncoding = new DataContentTypeEncoding();
if (headers == null)
{
throw new ProxyWarningException("The headers list is invalid");
}
if (!headers.ContainsKey("Content-Type"))
{
throw new ProxyWarningException("The content type headerByteArray is invalid(0)");
}
if (headers["Content-Type"].Count <= 0)
{
throw new ProxyWarningException("The content type headerByteArray is invalid(1)");
}
if (string.IsNullOrEmpty(headers["Content-Type"][0].ToString()))
{
throw new ProxyWarningException("The content type headerByteArray is invalid(2)");
}
// If there is no content type headerByteArray set the default values
if (!headers.ContainsKey("Content-Type") ||
string.IsNullOrEmpty(headers["Content-Type"][0].ToString()))
{
contentTypeEncoding.ContentType = "text/html";
contentTypeEncoding.ContentCharSet = "UTF-8";
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(this.requestObj.Id, this.requestObj.ProxyProtocol, Loglevel.Debug, "TcpClientBase.DetermineClientRequestContentTypeEncoding(): No Content-Type header found: text/html, UTF-8");
return(contentTypeEncoding);
}
// Parse the server response content type
try
{
string contentType = headers["Content-Type"][0].ToString();
if (contentType.Contains(";"))
{
string[] splitter = contentType.Split(new char[] { ';' }, 2);
contentTypeEncoding.ContentType = splitter[0];
contentTypeEncoding.ContentCharSet = this.DetermineContentCharSet(splitter[1]);
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(this.requestObj.Id, this.requestObj.ProxyProtocol, Loglevel.Debug, "TcpClientBase.DetermineClientRequestContentTypeEncoding(): Content-Type/Charset header found: {0}, {1}", contentTypeEncoding.ContentType, contentTypeEncoding.ContentCharSet);
}
else
{
contentTypeEncoding.ContentType = contentType;
contentTypeEncoding.ContentCharSet = "UTF-8";
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(this.requestObj.Id, this.requestObj.ProxyProtocol, Loglevel.Debug, "TcpClientBase.DetermineClientRequestContentTypeEncoding(): Content-Type (noCharset) header found: {0}, {1}", contentTypeEncoding.ContentType, contentTypeEncoding.ContentCharSet);
}
}
catch (Exception ex)
{
contentTypeEncoding.ContentType = "text/html";
contentTypeEncoding.ContentCharSet = "UTF-8";
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(this.requestObj.Id, this.requestObj.ProxyProtocol, Loglevel.Debug, "TcpClientBase.DetermineClientRequestContentTypeEncoding(Exception): text/html, UTF-8 {0}", ex.Message);
}
return(contentTypeEncoding);
}
private DataContentTypeEncoding DetermineClientRequestContentTypeEncoding(RequestObj requestObj)
{
DataContentTypeEncoding contentTypeEncoding = new DataContentTypeEncoding();
if (requestObj == null)
{
throw new ProxyWarningException("Request object is invalid");
}
if (requestObj.ClientRequestObj == null)
{
throw new ProxyWarningException("Client request object is invalid");
}
if (requestObj.ClientRequestObj.ClientRequestHeaders == null)
{
throw new ProxyWarningException("The headers list is invalid");
}
// If there is no content type headerByteArray set the default values
if (!requestObj.ClientRequestObj.ClientRequestHeaders.ContainsKey("Content-Type") ||
string.IsNullOrEmpty(requestObj.ClientRequestObj.ClientRequestHeaders["Content-Type"][0]))
{
contentTypeEncoding.ContentType = "text/html";
contentTypeEncoding.ContentCharSet = "UTF-8";
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(requestObj.Id, requestObj.ProxyProtocol, Loglevel.Debug, "IncomingClientRequest.DetermineClientRequestContentTypeEncoding(): No Content-Type header found: text/html, UTF-8");
return(contentTypeEncoding);
}
// Parse the server response content type
try
{
string contentType = requestObj.ClientRequestObj.ClientRequestHeaders["Content-Type"][0];
if (contentType.Contains(";"))
{
string[] splitter = contentType.Split(new char[] { ';' }, 2);
contentTypeEncoding.ContentType = splitter[0];
contentTypeEncoding.ContentCharSet = this.DetermineContentCharSet(splitter[1]);
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(requestObj.Id, requestObj.ProxyProtocol, Loglevel.Debug, "IncomingClientRequest.DetermineClientRequestContentTypeEncoding(): Content-Type/Charset header found: {0}, {1}", contentTypeEncoding.ContentType, contentTypeEncoding.ContentCharSet);
}
else
{
contentTypeEncoding.ContentType = contentType;
contentTypeEncoding.ContentCharSet = "UTF-8";
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(requestObj.Id, requestObj.ProxyProtocol, Loglevel.Debug, "IncomingClientRequest.DetermineClientRequestContentTypeEncoding(): Content-Type (noCharset) header found: {0}, {1}", contentTypeEncoding.ContentType, contentTypeEncoding.ContentCharSet);
}
}
catch (Exception ex)
{
contentTypeEncoding.ContentType = "text/html";
contentTypeEncoding.ContentCharSet = "UTF-8";
contentTypeEncoding.ContentCharsetEncoding = Encoding.GetEncoding(contentTypeEncoding.ContentCharSet);
Logging.Instance.LogMessage(requestObj.Id, requestObj.ProxyProtocol, Loglevel.Debug, "IncomingClientRequest.DetermineClientRequestContentTypeEncoding(Exception): text/html, UTF-8 {0}", ex.Message);
}
return(contentTypeEncoding);
}