(Delphi ActiveX) SFTP Read Directory Listing

Demonstrates how to download a directory listing and iterate over the files.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
sftp: TChilkatSFtp;
hostname: WideString;
port: Integer;
success: Integer;
handle: WideString;
dirListing: IChilkatSFtpDir;
i: Integer;
n: Integer;
fileObj: IChilkatSFtpFile;

begin
// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Important: It is helpful to send the contents of the
// sftp.LastErrorText property when requesting support.

sftp := TChilkatSFtp.Create(Self);

// Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs := 5000;
sftp.IdleTimeoutMs := 10000;

// Connect to the SSH server.  
// The standard SSH port = 22
// The hostname may be a hostname or IP address.
hostname := 'www.my-sftp-server.com';
port := 22;
success := sftp.Connect(hostname,port);
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Authenticate with the SSH server.  Chilkat SFTP supports
// both password-based authenication as well as public-key
// authentication.  This example uses password authenication.
success := sftp.AuthenticatePw('myLogin','myPassword');
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// After authenticating, the SFTP subsystem must be initialized:
success := sftp.InitializeSftp();
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Open a directory on the server...
// Paths starting with a slash are "absolute", and are relative 
// to the root of the file system. Names starting with any other 
// character are relative to the user's default directory (home directory).
// A path component of ".." refers to the parent directory, 
// and "." refers to the current directory. 
handle := sftp.OpenDir('.');
if (sftp.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Download the directory listing:
dirListing := sftp.ReadDir(handle);
if (sftp.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Close the handle for the directory listing.
success := sftp.CloseHandle(handle);
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Iterate over the files.
i := 0;
n := dirListing.NumFilesAndDirs;
while i < n do
  begin
    fileObj := dirListing.GetFileObject(i);

    Memo1.Lines.Add(fileObj.Filename);
    Memo1.Lines.Add(fileObj.FileType);
    Memo1.Lines.Add('Size in bytes: ' + IntToStr(fileObj.Size32));
    Memo1.Lines.Add('----');

    i := i + 1;
  end;

Memo1.Lines.Add('Success.');
end;