/// <summary>
/// Frees the resources held by the response.
/// </summary>
public override void Close()
{
if (stream != null)
{
stream.Close();
stream = null;
}
if (f != null)
{
GetStatus();
f.Close();
}
}
internal FtpWebResponse(FtpWebRequest request)
{
bool success = false;
this.request = request;
IntPtr hFile = IntPtr.Zero;
NetworkCredential credentials = null;
if (request.Credentials != null)
{
credentials = (NetworkCredential)request.Credentials;
}
else
{
//parse user info in the uri
string userInfo = request.RequestUri.UserInfo;
if (!string.IsNullOrEmpty(userInfo))
{
//username and password
if (userInfo.IndexOf(':') > -1)
{
string[] userParts = userInfo.Split(':');
credentials = new NetworkCredential(userParts[0], userParts[1]);
}
else
{
//username only
credentials = new NetworkCredential(userInfo, string.Empty);
}
request.Credentials = credentials;
}
}
f = new Ftp(request.RequestUri, credentials, request.UsePassive);
GetStatus();
/*// Set timeout if not default
* if (request.Timeout != System.Threading.Timeout.Infinite)
* {
* int timeout = request.Timeout;
* bool timeoutSet = NativeMethods.InternetSetOption(f.Handle, NativeMethods.INTERNET_OPTION_CONNECT_TIMEOUT, ref timeout, 4);
* }*/
//set default response uri
if (request.RequestUri.UserInfo != string.Empty)
{
StringBuilder cleanUri = new StringBuilder();
cleanUri.Append(request.RequestUri.Scheme);
for (int i = 2; i < request.RequestUri.Segments.Length; i++)
{
cleanUri.Append(request.RequestUri.Segments[i]);
}
responseUri = new Uri(cleanUri.ToString());
}
else
{
responseUri = request.RequestUri;
}
switch (request.Method)
{
case WebRequestMethods.Ftp.DeleteFile:
success = NativeMethods.pFtpDeleteFile(f.Handle, request.RequestUri.LocalPath);
break;
case WebRequestMethods.Ftp.DownloadFile:
//resolved issue with caching
hFile = NativeMethods.pFtpOpenFile(f.Handle, request.RequestUri.LocalPath, NativeMethods.GENERIC_READ, (request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY : NativeMethods.FTP_TRANSFER_TYPE_ASCII) | NativeMethods.INTERNET_FLAG_RELOAD, this.GetHashCode());
GetStatus();
if (hFile == IntPtr.Zero)
{
NativeMethods.ThrowException(this);
}
stream = new InternetFileStream(hFile, this, false);
contentLength = -1;
success = true;
break;
case WebRequestMethods.Ftp.PrintWorkingDirectory:
StringBuilder workingDirectoryBuffer = new StringBuilder(260);
int len = workingDirectoryBuffer.Capacity;
success = NativeMethods.pFtpGetCurrentDirectory(f.Handle, workingDirectoryBuffer, ref len);
this.responseUri = new Uri(new Uri(this.request.RequestUri.GetComponents(UriComponents.SchemeAndServer, UriFormat.UriEscaped)), workingDirectoryBuffer.ToString());
break;
case WebRequestMethods.Ftp.MakeDirectory:
success = NativeMethods.pFtpCreateDirectory(f.Handle, request.RequestUri.LocalPath);
break;
case WebRequestMethods.Ftp.Rename:
success = NativeMethods.pFtpRenameFile(f.Handle, request.RequestUri.LocalPath, request.RenameTo);
break;
case WebRequestMethods.Ftp.UploadFile:
hFile = NativeMethods.pFtpOpenFile(f.Handle, request.RequestUri.LocalPath, NativeMethods.GENERIC_WRITE, request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY : NativeMethods.FTP_TRANSFER_TYPE_ASCII, this.GetHashCode());
GetStatus();
if (hFile == IntPtr.Zero)
{
NativeMethods.ThrowException(this);
}
InternetFileStream uploadStream = new InternetFileStream(hFile, this, true);
byte[] uploadBuffer = ((MemoryStream)request.GetRequestStream()).ToArray();
uploadStream.Write(uploadBuffer, 0, uploadBuffer.Length);
uploadStream.Close();
success = true;
break;
case WebRequestMethods.Ftp.ListDirectory:
case WebRequestMethods.Ftp.ListDirectoryDetails:
success = NativeMethods.pFtpCommand(f.Handle, true, /*request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY :*/ NativeMethods.FTP_TRANSFER_TYPE_ASCII, request.Method + " " + request.RequestUri.LocalPath + "\r\n" /*command.ToString()*/, 0, out hFile);
GetStatus();
if (!success)
{
NativeMethods.ThrowException(this);
}
stream = new InternetFileStream(hFile, this, false);
contentLength = stream.Length;
break;
default:
//separate path and file name
string[] bits = SplitLocalPath(request.RequestUri.LocalPath);
//create command string
StringBuilder command = new StringBuilder();
command.Append(request.Method);
if (!string.IsNullOrEmpty(bits[1]))
{
command.Append(" ");
//if have a filename send it (separated with a space)
command.Append(bits[1]);
}
//add return
command.Append("\r\n");
if (!string.IsNullOrEmpty(bits[0]))
{
//only change folder if not the root
if (bits[0] != "\\")
{
//change path if required
success = NativeMethods.pFtpSetCurrentDirectory(f.Handle, bits[0]);
//success = NativeMethods.FtpCommand(f.Handle, false, request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY : NativeMethods.FTP_TRANSFER_TYPE_ASCII, "CWD " + bits[0] + "\r\n", 0, out hFile);
}
}
//switch on the remaining methods
switch (request.Method)
{
case WebRequestMethods.Ftp.AppendFile:
success = NativeMethods.pFtpCommand(f.Handle, true, request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY : NativeMethods.FTP_TRANSFER_TYPE_ASCII, command.ToString(), 0, out hFile);
GetStatus();
if (!success)
{
NativeMethods.ThrowException(this);
}
InternetFileStream appendStream = new InternetFileStream(hFile, this, true);
byte[] appendBuffer = ((MemoryStream)request.GetRequestStream()).ToArray();
appendStream.Write(appendBuffer, 0, appendBuffer.Length);
appendStream.Close();
break;
case WebRequestMethods.Ftp.GetDateTimestamp:
success = NativeMethods.pFtpCommand(f.Handle, false, /*request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY :*/ NativeMethods.FTP_TRANSFER_TYPE_ASCII, command.ToString(), 0, out hFile);
GetStatus();
int timeSpaceIndex = this.statusDescription.LastIndexOf(' ');
if (timeSpaceIndex > -1)
{
string timestamp = this.statusDescription.Substring(timeSpaceIndex + 1, (this.statusDescription.Length - timeSpaceIndex) - 1);
try
{
this.lastModified = DateTime.ParseExact(timestamp, "yyyyMMddHHmmss", null);
this.lastModified = DateTime.SpecifyKind(this.lastModified, DateTimeKind.Utc);
}
catch
{
success = false;
}
}
break;
case WebRequestMethods.Ftp.GetFileSize:
success = NativeMethods.pFtpCommand(f.Handle, false, /*request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY :*/ NativeMethods.FTP_TRANSFER_TYPE_ASCII, command.ToString(), 0, out hFile);
GetStatus();
int sizeSpaceIndex = this.statusDescription.LastIndexOf(' ');
if (sizeSpaceIndex > -1)
{
string size = this.statusDescription.Substring(sizeSpaceIndex + 1, (this.statusDescription.Length - sizeSpaceIndex) - 1);
try
{
this.contentLength = long.Parse(size);
}
catch
{
success = false;
}
}
break;
case WebRequestMethods.Ftp.UploadFileWithUniqueName:
success = NativeMethods.pFtpCommand(f.Handle, false, request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY : NativeMethods.FTP_TRANSFER_TYPE_ASCII, command.ToString(), this.GetHashCode(), out hFile);
GetStatus();
try
{
if (!success)
{
NativeMethods.ThrowException(this);
}
}
finally
{
f.Close();
}
f = new Ftp(request.RequestUri, credentials, request.UsePassive);
//get unique filename from response
int spaceIndex = this.statusDescription.LastIndexOf(' ');
if (spaceIndex > -1)
{
string filename = this.statusDescription.Substring(spaceIndex + 1, (statusDescription.Length - spaceIndex) - 1);
filename = filename.TrimEnd('.');
responseUri = new Uri("ftp://" + request.RequestUri.Host + "/" + bits[0] + filename);
}
//open file
hFile = NativeMethods.pFtpOpenFile(f.Handle, responseUri.LocalPath, NativeMethods.GENERIC_WRITE, request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY : NativeMethods.FTP_TRANSFER_TYPE_ASCII, 0);
GetStatus();
if (hFile == IntPtr.Zero)
{
NativeMethods.ThrowException(this);
}
InternetFileStream uniqueStream = new InternetFileStream(hFile, this, true);
byte[] uniqueBuffer = ((MemoryStream)request.GetRequestStream()).ToArray();
uniqueStream.Write(uniqueBuffer, 0, uniqueBuffer.Length);
uniqueStream.Close();
success = true;
break;
default:
success = NativeMethods.pFtpCommand(f.Handle, false, request.UseBinary ? NativeMethods.FTP_TRANSFER_TYPE_BINARY : NativeMethods.FTP_TRANSFER_TYPE_ASCII, request.Method + "\r\n", 0, out hFile);
break;
}
break;
}
GetStatus();
if (!success)
{
NativeMethods.ThrowException(this);
}
}
