public static bool downloadSecureFile(Uri serverUri, string filename, string username, string password, bool UseSSL, string destFile)
{
// The serverUri parameter should use the ftp:// scheme.
// It contains the name of the server file that is to be deleted.
// Example: ftp://contoso.com/someFile.txt.
//
if (serverUri.Scheme != Uri.UriSchemeFtp) {
return false;
}
Sftp sftp = new Sftp(serverUri.Host, username, password);
if (sftp == null) {
//Error connecting to FTP server
throw new WebException("ERROR - " + ClassName + ": Error connecting to FTP server", WebExceptionStatus.SecureChannelFailure);
} else {
try {
sftp.OnTransferStart += new FileTransferEvent(sftp_OnTransferStart);
sftp.OnTransferProgress += new FileTransferEvent(sftp_OnTransferProgress);
sftp.OnTransferEnd += new FileTransferEvent(sftp_OnTransferEnd);
sftp.Connect();
sftp.Get(serverUri.LocalPath + filename, destFile);
//confirm the file is fully downloaded
long remoteSize = sftp.getSize(serverUri.LocalPath + filename);
FileInfo localfile = new FileInfo(destFile);
long localSize = localfile.Length;
if (localSize >= (remoteSize - 100)) {
return true;
} else {
//file was not complete
return false;
}
} catch (Tamir.SharpSsh.jsch.SftpException sfex) {
// write to log - note the lowercase m in message - this library uses nonstandard error reporting
Trace.TraceInformation("ERROR - " + ClassName + ":" + sfex.message);
throw new WebException("ERROR - " + ClassName + ": " + sfex.message);
} catch (Exception ex) {
// write to log
Trace.TraceInformation("ERROR - " + ClassName + ":" + ex.Message);
//EventLog.WriteEntry(Application.ProductName, "ERROR - " + ClassName + ":" + ex.Message, EventLogEntryType.Error);
throw new WebException("ERROR - " + ClassName + ": " + ex.Message);
//return false;
} finally {
sftp.Close();
}
}
}
