/// <summary>
/// Constructor for FtpResponse.
/// </summary>
/// <param name="response">FtpResponse object.</param>
public FtpsResponse(FtpsResponse response)
{
_rawText = response.RawText;
_text = response.Text;
_code = response.Code;
_isInformational = response.IsInformational;
}
/// <summary>
/// Adds an Response object to the end of the FtpResponseQueue.
/// </summary>
/// <param name="item">An FtpResponse item.</param>
public void Enqueue(FtpsResponse item)
{
lock (this)
{
_queue.Enqueue(item);
}
}
/// <summary>
/// Constructor for FtpResponse.
/// </summary>
/// <param name="response">FtpResponse object.</param>
public FtpsResponse(FtpsResponse response)
{
_rawText = response.RawText;
_text = response.Text;
_code = response.Code;
_isInformational = response.IsInformational;
}
/// <summary>
/// Adds an Response object to the end of the FtpResponseQueue.
/// </summary>
/// <param name="item">An FtpResponse item.</param>
public void Enqueue(FtpsResponse item)
{
lock (this)
{
_queue.Enqueue(item);
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsConnectionOpenException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsDataCompressionException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsAsynchronousOperationException(string message, FtpsResponse response)
: base(message, response)
{
}
private void MonitorCommandConnection()
{
byte[] buffer = new byte[_tcpBufferSize];
StringBuilder response = new StringBuilder();
bool code421Detected = false;
while (IsConnected)
{
lock (_reponseMonitorLock)
{
Thread.Sleep(WAIT_FOR_COMMAND_RESPONSE_INTERVAL);
try
{
if (_commandConn != null && _commandConn.GetStream().DataAvailable)
{
int bytes = _commandStream.Read(buffer, 0, _tcpBufferSize);
string partial = _encode.GetString(buffer, 0, bytes);
response.Append(partial);
// write out the debug response
Debug.Write("R: " + partial);
if (!partial.EndsWith("\n"))
{
continue;
}
// parse out the response code sent back from the server
// in some cases more than one response can be sent with
// each line separated with a crlf pair.
string[] responseArray = SplitResponse(response.ToString());
for (int i = 0; i < responseArray.Length; i++)
{
FtpsResponse r = new FtpsResponse(responseArray[i]);
_responseQueue.Enqueue(r);
// if a 421 response code is detected then the server has closed the connection
if (r.Code == FtpsResponseCode.ServiceNotAvailableClosingControlConnection)
code421Detected = true;
}
response.Remove(0, response.Length);
// if code 421 was detected then close the command connection
if (code421Detected)
CloseCommandConn();
}
}
catch { }
}
}
RaiseConnectionClosedEvent();
}
/// <summary>
/// Waits until a happy code has been returned by the FTP server or times out.
/// </summary>
/// <param name="timeout">Maximum time to wait before timing out.</param>
/// <param name="happyResponseCodes">Server response codes to wait for.</param>
internal protected void WaitForHappyCodes(int timeout, params FtpsResponseCode[] happyResponseCodes)
{
_responseList.Clear();
do
{
FtpsResponse response = GetNextCommandResponse(timeout);
_responseList.Add(response);
RaiseServerResponseEvent(new FtpsResponse(response));
if (!response.IsInformational)
{
if (IsHappyResponse(response, happyResponseCodes))
break;
if (IsUnhappyResponse(response))
{
_response = response;
throw new FtpsResponseException("FTP command failed.", response);
}
}
} while (true);
_response = _responseList.GetLast();
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsCommandResponseTimeoutException(string message, FtpsResponse response, Exception innerException)
:
base(message, response, innerException)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsAuthenticationException(string message, FtpsResponse response, Exception innerException)
:
base(message, response, innerException)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsAuthenticationException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsCommandResponseTimeoutException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsCommandResponseTimeoutException(string message, FtpsResponse response, Exception innerException)
:
base(message, response, innerException)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsSecureConnectionException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsSecureConnectionException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsLoginException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsException(string message, FtpsResponse response, Exception innerException)
:
base(message, innerException)
{
_response = response;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsDataTransferException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsItemParsingException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsLoginException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsDataConnectionTimeoutException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsBusyException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{ }
private bool IsUnhappyResponse(FtpsResponse response)
{
if (
response.Code == FtpsResponseCode.ServiceNotAvailableClosingControlConnection
|| response.Code == FtpsResponseCode.CannotOpenDataConnection
|| response.Code == FtpsResponseCode.ConnectionClosedSoTransferAborted
|| response.Code == FtpsResponseCode.RequestedFileActionNotTaken
|| response.Code == FtpsResponseCode.RequestedActionAbortedDueToLocalErrorInProcessing
|| response.Code == FtpsResponseCode.RequestedActionNotTakenInsufficientStorage
|| response.Code == FtpsResponseCode.SyntaxErrorCommandUnrecognized
|| response.Code == FtpsResponseCode.SyntaxErrorInParametersOrArguments
|| response.Code == FtpsResponseCode.CommandNotImplemented
|| response.Code == FtpsResponseCode.BadSequenceOfCommands
|| response.Code == FtpsResponseCode.CommandNotImplementedForThatParameter
|| response.Code == FtpsResponseCode.NotLoggedIn
|| response.Code == FtpsResponseCode.NeedAccountForStoringFiles
|| response.Code == FtpsResponseCode.RequestedActionNotTakenFileUnavailable
|| response.Code == FtpsResponseCode.RequestedActionAbortedPageTypeUnknown
|| response.Code == FtpsResponseCode.RequestedFileActionAbortedExceededStorageAllocation
|| response.Code == FtpsResponseCode.RequestedActionNotTakenFileNameNotAllowed)
return true;
else
return false;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsFeatureException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsHashingServerBusyException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsFeatureException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsConnectionBrokenException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsDataCompressionException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsAuthenticationException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsHashingInvalidAlgorithmException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsConnectionOpenException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsDataCompressionException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsDataCompressionException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsAsynchronousOperationException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsCertificateValidationException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsCertificateValidationException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsException(string message, FtpsResponse response)
: base(message)
{
_response = response;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsHashingException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="response">FtpResponse object.</param>
public FtpsResponseEventArgs(FtpsResponse response)
{
_response = response;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsNetworkVersionException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsItemParsingException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsNetworkVersionException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsCommandResponseTimeoutException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsDataTransferException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsHashingInvalidAlgorithmException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsException(string message, FtpsResponse response, Exception innerException)
:
base(message, innerException)
{
_response = response;
}
private void RaiseServerResponseEvent(FtpsResponse response)
{
if (ServerResponse != null)
ServerResponse(this, new FtpsResponseEventArgs(response));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsException(string message, FtpsResponse response)
: base(message)
{
_response = response;
}
private bool IsHappyResponse(FtpsResponse response, FtpsResponseCode[] happyResponseCodes)
{
// always return true if there are no responses to validate
if (happyResponseCodes.Length == 0)
return true;
for (int j = 0; j < happyResponseCodes.Length; j++)
{
if (happyResponseCodes[j] == response.Code)
return true;
}
return false;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsDataConnectionTimeoutException(string message, FtpsResponse response)
: base(message, response)
{
}
private void DontWaitForHappyCodes()
{
if (_responseQueue.Count == 0)
return;
_responseList.Clear();
while (_responseQueue.Count > 0)
{
FtpsResponse response = _responseQueue.Dequeue();
_responseList.Add(response);
RaiseServerResponseEvent(new FtpsResponse(response));
}
_response = _responseList.GetLast();
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsCommandNotSupportedException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsHashingServerBusyException(string message, FtpsResponse response)
: base(message, response)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsItemParsingException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsConnectionOpenException(string message, FtpsResponse response, Exception innerException)
: base(message, response, innerException)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
public FtpsItemParsingException(string message, FtpsResponse response)
: base(message, response)
{ }
/// <summary>
/// Constructor.
/// </summary>
/// <param name="response">FtpResponse object.</param>
public FtpsResponseEventArgs(FtpsResponse response)
{
_response = response;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="message">Exception message text.</param>
/// <param name="response">Ftp response object.</param>
/// <param name="innerException">The inner exception object.</param>
public FtpsAuthenticationException(string message, FtpsResponse response, Exception innerException)
:
base(message, response, innerException)
{
}