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FtpHelper.cs
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581
FtpHelper.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Net;
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using System.IO;
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using System.Threading;
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using xaf.logger;
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namespace quarto.cbo.util
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{
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public class FtpHelper
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{
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public static Ftp GetFtp(string hostIP, string userName, string password)
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{
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return new Ftp(hostIP, userName, password);
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}
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}
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public class Ftp
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{
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private string host = null;
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private string user = null;
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private string pass = null;
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private FtpWebRequest ftpRequest = null;
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private FtpWebResponse ftpResponse = null;
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private Stream ftpStream = null;
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private int bufferSize = 2048;
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private string currentDirectory = null;
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public List<string> Files { get; set; }
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public LogManager logManager = null;
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public bool IsThrowException = false;
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/* Construct Object */
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public Ftp(string hostIP, string userName, string password) { logManager = LogManager.GetInstance(); Files = new List<string>(); host = hostIP; user = userName; pass = password; }
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private bool HandleException(Exception ex)
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{
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logManager.Log(ex.ToString(), LogLevel.ERROR, this);
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return IsThrowException;
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}
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/* Download File */
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public void download(string remoteFile, string localFile)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + Uri.EscapeDataString(remoteFile));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = true;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.DownloadFile;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Get the FTP Server's Response Stream */
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ftpStream = ftpResponse.GetResponseStream();
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/* Open a File Stream to Write the Downloaded File */
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FileStream localFileStream = new FileStream(localFile, FileMode.Create);
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/* Buffer for the Downloaded Data */
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byte[] byteBuffer = new byte[bufferSize];
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int bytesRead = ftpStream.Read(byteBuffer, 0, bufferSize);
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/* Download the File by Writing the Buffered Data Until the Transfer is Complete */
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try
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{
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while (bytesRead > 0)
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{
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localFileStream.Write(byteBuffer, 0, bytesRead);
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bytesRead = ftpStream.Read(byteBuffer, 0, bufferSize);
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}
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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finally
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{
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/* Resource Cleanup */
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localFileStream.Close();
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ftpStream.Close();
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ftpResponse.Close();
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ftpRequest = null;
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}
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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return;
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}
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/* Upload File */
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public void upload(string remoteFile, string localFile)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + Uri.EscapeDataString(remoteFile));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = true;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.UploadFile;
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/* Establish Return Communication with the FTP Server */
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ftpStream = ftpRequest.GetRequestStream();
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/* Open a File Stream to Read the File for Upload */
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FileStream localFileStream = new FileStream(localFile, FileMode.Open);
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/* Buffer for the Downloaded Data */
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byte[] byteBuffer = new byte[bufferSize];
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int bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize);
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/* Upload the File by Sending the Buffered Data Until the Transfer is Complete */
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try
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{
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while (bytesSent != 0)
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{
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ftpStream.Write(byteBuffer, 0, bytesSent);
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bytesSent = localFileStream.Read(byteBuffer, 0, bufferSize);
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}
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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finally
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{
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/* Resource Cleanup */
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localFileStream.Close();
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ftpStream.Close();
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ftpRequest = null;
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}
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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return;
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}
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/* Delete File */
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public void delete(string deleteFile)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)WebRequest.Create(host + "/" + Uri.EscapeDataString(deleteFile));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = true;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.DeleteFile;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Resource Cleanup */
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ftpResponse.Close();
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ftpRequest = null;
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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return;
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}
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/* Rename File */
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public void rename(string currentFileNameAndPath, string newFileName)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)WebRequest.Create(host + "/" + Uri.EscapeDataString(currentFileNameAndPath));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = true;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.Rename;
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/* Rename the File */
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ftpRequest.RenameTo = newFileName;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Resource Cleanup */
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ftpResponse.Close();
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ftpRequest = null;
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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return;
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}
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/* Create a New Directory on the FTP Server */
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public void createDirectory(string newDirectory)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)WebRequest.Create(host + "/" + Uri.EscapeDataString(newDirectory));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = true;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.MakeDirectory;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Resource Cleanup */
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ftpResponse.Close();
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ftpRequest = null;
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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return;
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}
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/* Get the Date/Time a File was Created */
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public string getFileCreatedDateTime(string fileName)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + Uri.EscapeDataString(fileName));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = true;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.GetDateTimestamp;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Establish Return Communication with the FTP Server */
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ftpStream = ftpResponse.GetResponseStream();
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/* Get the FTP Server's Response Stream */
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StreamReader ftpReader = new StreamReader(ftpStream);
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/* Store the Raw Response */
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string fileInfo = null;
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/* Read the Full Response Stream */
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try { fileInfo = ftpReader.ReadToEnd(); }
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catch (Exception ex) { if (HandleException(ex)) throw; }
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finally
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{
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/* Resource Cleanup */
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ftpReader.Close();
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ftpStream.Close();
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ftpResponse.Close();
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ftpRequest = null;
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}
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/* Return File Created Date Time */
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return fileInfo;
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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/* Return an Empty string Array if an Exception Occurs */
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return "";
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}
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/* Get the Size of a File */
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public string getFileSize(string fileName)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + Uri.EscapeDataString(fileName));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = true;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.GetFileSize;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Establish Return Communication with the FTP Server */
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ftpStream = ftpResponse.GetResponseStream();
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/* Get the FTP Server's Response Stream */
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StreamReader ftpReader = new StreamReader(ftpStream);
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/* Store the Raw Response */
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string fileInfo = null;
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/* Read the Full Response Stream */
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try { while (ftpReader.Peek() != -1) { fileInfo = ftpReader.ReadToEnd(); } }
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catch (Exception ex) { if (HandleException(ex)) throw; }
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finally
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{
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/* Resource Cleanup */
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ftpReader.Close();
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ftpStream.Close();
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ftpResponse.Close();
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ftpRequest = null;
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}
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/* Return File Size */
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return fileInfo;
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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/* Return an Empty string Array if an Exception Occurs */
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return "";
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}
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/* List Directory Contents File/Folder Name Only */
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public string[] directoryListSimple(string directory)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + Uri.EscapeDataString(directory));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = false;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.ListDirectory;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Establish Return Communication with the FTP Server */
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ftpStream = ftpResponse.GetResponseStream();
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/* Get the FTP Server's Response Stream */
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StreamReader ftpReader = new StreamReader(ftpStream);
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/* Store the Raw Response */
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string directoryRaw = null;
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/* Read Each Line of the Response and Append a Pipe to Each Line for Easy Parsing */
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try { while (ftpReader.Peek() != -1) { directoryRaw += ftpReader.ReadLine() + "|"; } }
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catch (Exception ex) { if (HandleException(ex)) throw; }
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finally
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{
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/* Resource Cleanup */
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ftpReader.Close();
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ftpStream.Close();
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ftpResponse.Close();
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ftpRequest = null;
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}
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if (directoryRaw == null) return null;
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/* Return the Directory Listing as a string Array by Parsing 'directoryRaw' with the Delimiter you Append (I use | in This Example) */
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try { string[] directoryList = directoryRaw.Split("|".ToCharArray()); return GetFileNames(directoryList); }
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catch (Exception ex) { if (HandleException(ex)) throw; }
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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/* Return an Empty string Array if an Exception Occurs */
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return new string[] { "" };
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}
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private static string[] GetFileNames(string[] directoryList)
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{
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if (directoryList == null || directoryList.Length == 0) return null;
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List<string> l = new List<string>();
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foreach (string value in directoryList)
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{
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if (string.IsNullOrEmpty(value)) continue;
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if (!value.Contains("/")) l.Add(value);
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else
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l.Add(value.Substring(value.LastIndexOf('/') + 1, value.Length - value.LastIndexOf('/') - 1));
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}
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return l.ToArray();
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}
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/* List Directory Contents in Detail (Name, Size, Created, etc.) */
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public string[] directoryListDetailed(string directory)
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{
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try
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{
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/* Create an FTP Request */
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ftpRequest = (FtpWebRequest)FtpWebRequest.Create(host + "/" + Uri.EscapeDataString(directory));
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/* Log in to the FTP Server with the User Name and Password Provided */
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ftpRequest.Credentials = new NetworkCredential(user, pass);
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/* When in doubt, use these options */
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ftpRequest.UseBinary = true;
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ftpRequest.UsePassive = true;
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ftpRequest.KeepAlive = false;
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/* Specify the Type of FTP Request */
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ftpRequest.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
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/* Establish Return Communication with the FTP Server */
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ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
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Thread.Sleep(2000);
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/* Establish Return Communication with the FTP Server */
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ftpStream = ftpResponse.GetResponseStream();
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/* Get the FTP Server's Response Stream */
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StreamReader ftpReader = new StreamReader(ftpStream);
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/* Store the Raw Response */
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string directoryRaw = null;
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/* Read Each Line of the Response and Append a Pipe to Each Line for Easy Parsing */
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try { while (ftpReader.Peek() != -1) { directoryRaw += ftpReader.ReadLine() + "|"; } }
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catch (Exception ex) { if (HandleException(ex)) throw; }
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finally
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{
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/* Resource Cleanup */
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ftpReader.Close();
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ftpStream.Close();
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ftpResponse.Close();
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ftpRequest = null;
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}
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if (directoryRaw == null) return null;
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/* Return the Directory Listing as a string Array by Parsing 'directoryRaw' with the Delimiter you Append (I use | in This Example) */
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try { string[] directoryList = directoryRaw.Split("|".ToCharArray()); return directoryList; }
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catch (Exception ex) { if (HandleException(ex)) throw; }
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}
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catch (Exception ex) { if (HandleException(ex)) throw; }
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/* Return an Empty string Array if an Exception Occurs */
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return new string[] { "" };
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}
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//進入當前目錄
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public void ChangeFolder(string directory)
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{
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if (string.IsNullOrEmpty(directory) || directory == "/")
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{
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currentDirectory = null;
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return;
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}
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if (directory.StartsWith("/")) directory = directory.Substring(1, directory.Length - 1);
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currentDirectory += (string.IsNullOrEmpty(currentDirectory) ? null : "/") + directory;
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}
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//list當前目錄
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public string[] directoryListDetailed()
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{
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return directoryListDetailed(currentDirectory);
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}
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//list當前目錄
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public string[] directoryListSimple()
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{
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return directoryListSimple(currentDirectory);
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}
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//list對象有區分是否目錄還是文件
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public List<FtpItem> List()
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{
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List<FtpItem> list = new List<FtpItem>();
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FtpItem fi;
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logManager.Log("----------------------------------directoryListSimple----------------------------------", LogLevel.INFO, this);
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string[] ns = directoryListSimple();
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logManager.Log("----------------------------------directoryListDetailed----------------------------------", LogLevel.INFO, this);
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string[] dirs = directoryListDetailed();
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if (ns == null || ns.Length == 0) return list;
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foreach (string n in ns)
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{
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logManager.Log("directoryListSimple:" + n, LogLevel.INFO, this);
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if (string.IsNullOrEmpty(n)) continue;
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fi = new FtpItem();
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fi.Name = n;
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if (dirs.Where(x => x.Contains(n)).Where(x => x.Contains("<DIR>") || x.StartsWith("d")).Count() > 0)
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{
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fi.IsFolder = true;
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}
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list.Add(fi);
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}
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return list;
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}
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//刪除文件
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public void DeleteFile(string fileName)
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{
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delete(currentDirectory + "/" + fileName);
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}
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//刪除文件夾,如果下面有內容，要一級一級的刪除
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public void DeleteFolderRecursively(string remoteFolder)
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{
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ChangeFolder(null);//回到根目錄
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if (!string.IsNullOrEmpty(remoteFolder))
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ChangeFolder(remoteFolder);
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||||
|
||||
List<FtpItem> fis = List();
|
||||
if (fis == null || fis.Count == 0)
|
||||
{
|
||||
ChangeFolder(null);//回到根目錄
|
||||
deleteFolder(remoteFolder);
|
||||
return;
|
||||
}
|
||||
string tempCurrentDirectory = currentDirectory;
|
||||
|
||||
foreach (FtpItem fi in fis)
|
||||
{
|
||||
ChangeFolder(null);//回到根目錄
|
||||
ChangeFolder(tempCurrentDirectory);//回到首次進入目錄
|
||||
if (fi.IsFolder)
|
||||
{
|
||||
DeleteFolderRecursively(currentDirectory + "/" + fi.Name);
|
||||
}
|
||||
else
|
||||
{
|
||||
DeleteFile(fi.Name);
|
||||
}
|
||||
}
|
||||
//最后再刪除本身這個文件夾
|
||||
ChangeFolder(null);//回到根目錄
|
||||
deleteFolder(remoteFolder);
|
||||
}
|
||||
//刪除文件夾
|
||||
public void deleteFolder(string deleteDirectory)
|
||||
{
|
||||
try
|
||||
{
|
||||
/* Create an FTP Request */
|
||||
ftpRequest = (FtpWebRequest)WebRequest.Create(host + "/" + Uri.EscapeDataString(deleteDirectory));
|
||||
/* Log in to the FTP Server with the User Name and Password Provided */
|
||||
ftpRequest.Credentials = new NetworkCredential(user, pass);
|
||||
/* When in doubt, use these options */
|
||||
ftpRequest.UseBinary = true;
|
||||
ftpRequest.UsePassive = true;
|
||||
ftpRequest.KeepAlive = true;
|
||||
/* Specify the Type of FTP Request */
|
||||
ftpRequest.Method = WebRequestMethods.Ftp.RemoveDirectory;
|
||||
|
||||
/* Establish Return Communication with the FTP Server */
|
||||
ftpResponse = (FtpWebResponse)ftpRequest.GetResponse();
|
||||
Thread.Sleep(2000);
|
||||
/* Resource Cleanup */
|
||||
ftpResponse.Close();
|
||||
ftpRequest = null;
|
||||
}
|
||||
catch (Exception ex) { if (HandleException(ex)) throw; }
|
||||
return;
|
||||
}
|
||||
//下載整個目錄下的內容
|
||||
public void DownloadFiles(string remoteFolder, string localFolder)
|
||||
{
|
||||
DownloadFiles(remoteFolder, localFolder, null);
|
||||
}
|
||||
//下載整個目錄下的內容
|
||||
public void DownloadFiles(string remoteFolder, string localFolder, string passFilePath)
|
||||
{
|
||||
if (!Directory.Exists(localFolder))
|
||||
{
|
||||
Directory.CreateDirectory(localFolder);
|
||||
}
|
||||
|
||||
ChangeFolder(null);//回到根目錄
|
||||
if (!string.IsNullOrEmpty(remoteFolder))
|
||||
ChangeFolder(remoteFolder);
|
||||
|
||||
logManager.Log("----------------------------------Download Folder:" + remoteFolder, LogLevel.INFO, this);
|
||||
|
||||
List<FtpItem> fis = List();
|
||||
if (fis == null || fis.Count == 0) return;
|
||||
string tempCurrentDirectory = currentDirectory;
|
||||
|
||||
string[] passFilePaths = null;
|
||||
|
||||
if (!string.IsNullOrEmpty(passFilePath)) passFilePaths = passFilePath.Split(new char[] { ';', ',' });
|
||||
|
||||
string tempRemoteFolder = null;
|
||||
foreach (FtpItem fi in fis)
|
||||
{
|
||||
tempRemoteFolder = remoteFolder + "/" + fi.Name;
|
||||
if (passFilePaths != null && passFilePaths.Length > 0 && passFilePaths.Any(x => x.Trim().ToUpper() == tempRemoteFolder.Trim().ToUpper()))
|
||||
{
|
||||
logManager.Log(">>>>>>>>>>>Pass Folder:" + tempRemoteFolder, LogLevel.INFO, this);
|
||||
continue;
|
||||
}
|
||||
|
||||
ChangeFolder(null);//回到根目錄
|
||||
ChangeFolder(tempCurrentDirectory);//回到首次進入目錄
|
||||
if (fi.IsFolder)
|
||||
{
|
||||
logManager.Log("DownloadFolder:" + tempRemoteFolder, LogLevel.INFO, this);
|
||||
DownloadFiles(tempRemoteFolder, localFolder + "\\" + fi.Name);
|
||||
}
|
||||
else
|
||||
{
|
||||
logManager.Log("DownloadFiles:" + tempRemoteFolder, LogLevel.INFO, this);
|
||||
download(tempRemoteFolder, localFolder + "\\" + fi.Name);
|
||||
Files.Add(localFolder + "\\" + fi.Name);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public class FtpItem
|
||||
{
|
||||
public bool IsFolder { get; set; }
|
||||
public string Name { get; set; }
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user