/// <summary>
/// Obtains a response stream as a string
/// </summary>
/// <param name="ftp">current FTP request</param>
/// <returns>String containing response</returns>
/// <remarks>FTP servers typically return strings with CR and
/// not CRLF. Use respons.Replace(vbCR, vbCRLF) to convert
/// to an MSDOS string</remarks>
private string GetStringResponse(FtpWebRequest ftp)
{
//Get the result, streaming to a string
string result = "";
using (FtpWebResponse response = (FtpWebResponse)ftp.GetResponse())
{
long size = response.ContentLength;
using (Stream datastream = response.GetResponseStream())
{
using (StreamReader sr = new StreamReader(datastream))
{
_WelcomeMessage = response.WelcomeMessage;
_ExitMessage = response.ExitMessage;
result = sr.ReadToEnd();
sr.Close();
}
try
{
//Declare Event
NewMessageEventArgs e = new NewMessageEventArgs("RESPONSE", response.StatusDescription, response.StatusCode.ToString(), "");
//Raise Event
OnNewMessageReceived(this, e);
}
catch
{
}
datastream.Close();
}
response.Close();
}
return(result);
}
/// <summary>
/// Return a detailed directory listing
/// </summary>
/// <param name="directory">Directory to list, e.g. /pub/etc</param>
/// <returns>An FTPDirectory object</returns>
public FTPdirectory ListDirectoryDetail(string directory)
{
System.Net.FtpWebRequest ftp = GetRequest(GetDirectory(directory));
//Set request to do simple list
ftp.Method = System.Net.WebRequestMethods.Ftp.ListDirectoryDetails;
//Give Message of Command
string str = GetStringResponse(ftp);
//replace CRLF to CR, remove last instance
str = str.Replace("\r\n", "\r").TrimEnd('\r');
NewMessageEventArgs e = new NewMessageEventArgs("COMMAND", "List Directory Details", "LIST", directory);
OnNewMessageReceived(this, e);
//split the string into a list
return(new FTPdirectory(str, _lastDirectory));
}
/// <summary>
/// Determine size of remote file
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
/// <remarks>Throws an exception if file does not exist</remarks>
public bool FtpCreateDirectory(string dirpath)
{
//perform create
string URI = this.Hostname + AdjustDir(dirpath);
System.Net.FtpWebRequest ftp = GetRequest(URI);
//Set request to MkDir
ftp.Method = System.Net.WebRequestMethods.Ftp.MakeDirectory;
try
{
string str = GetStringResponse(ftp);
//Give Message of Command
NewMessageEventArgs e = new NewMessageEventArgs("COMMAND", "Make Directory", "MKD", AdjustDir(dirpath));
OnNewMessageReceived(this, e);
}
catch (Exception)
{
return(false);
}
return(true);
}
public bool FtpDeleteDirectory(string dirpath)
{
//perform remove
string URI = this.Hostname + AdjustDir(dirpath);
System.Net.FtpWebRequest ftp = GetRequest(URI);
//Set request to RmDir
ftp.Method = System.Net.WebRequestMethods.Ftp.RemoveDirectory;
try
{
//get response but ignore it
string str = GetStringResponse(ftp);
//Give Message of Command
NewMessageEventArgs e = new NewMessageEventArgs("COMMAND", "Remove Directory", "RMD", dirpath);
OnNewMessageReceived(this, e);
}
catch (Exception)
{
return(false);
}
return(true);
}
/// <summary>
/// Delete remote file
/// </summary>
/// <param name="filename">filename or full path</param>
/// <returns></returns>
/// <remarks></remarks>
public bool FtpDelete(string filename)
{
//Determine if file or full path
string URI = this.Hostname + GetFullPath(filename);
System.Net.FtpWebRequest ftp = GetRequest(URI);
//Set request to delete
ftp.Method = System.Net.WebRequestMethods.Ftp.DeleteFile;
try
{
//get response but ignore it
string str = GetStringResponse(ftp);
//Give Message of Command
NewMessageEventArgs e = new NewMessageEventArgs("COMMAND", "Delete File", "DELE", str);
OnNewMessageReceived(this, e);
}
catch (Exception)
{
return(false);
}
return(true);
}
