(Delphi DLL) SFTP Upload and Download to a BinData Object

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Demonstrates how to SFTP upload from a BinData object, and download into a BinData object.

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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
sftp: HCkSFtp;
success: Boolean;
port: Integer;
bdA: HCkBinData;
remotePath: PWideChar;
bdB: HCkBinData;

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

sftp := CkSFtp_Create();

// Set some timeouts, in milliseconds:
CkSFtp_putConnectTimeoutMs(sftp,5000);
CkSFtp_putIdleTimeoutMs(sftp,10000);

// Connect to the SSH server and then authenticate.
port := 22;
success := CkSFtp_Connect(sftp,'MY-SSH-SERVER-DOMAIN-OR-IP',port);
if (success = True) then
  begin
    success := CkSFtp_AuthenticatePw(sftp,'MY-SSH-LOGIN','MY-SSH-PASSWORD');
    if (success = True) then
      begin
        success := CkSFtp_InitializeSftp(sftp);
      end;
  end;
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

bdA := CkBinData_Create();
CkBinData_LoadFile(bdA,'qa_data/jpg/penguins.jpg');

// Upload the contents of bdA to the SSH/SFTP server.
remotePath := 'sftpTesting/penguins.jpg';
success := CkSFtp_UploadBd(sftp,bdA,remotePath);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

// Download the file..
bdB := CkBinData_Create();
success := CkSFtp_DownloadBd(sftp,remotePath,bdB);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

// Verify that bdA and bdB have the exact same contents.
Memo1.Lines.Add('size of bdA: ' + IntToStr(CkBinData_getNumBytes(bdA)));
if (CkBinData_ContentsEqual(bdA,bdB) = True) then
  begin
    Memo1.Lines.Add('Contents are equal. Success.');
  end
else
  begin
    Memo1.Lines.Add('Contents are NOT equal.  Failed.');
  end;

CkSFtp_Disconnect(sftp);

CkSFtp_Dispose(sftp);
CkBinData_Dispose(bdA);
CkBinData_Dispose(bdB);

end;