Delphi DLL

Get a Remote File's Group

Demonstrates the Chilkat SFtp.GetFileGroup method, which returns a remote file's group ownership. The arguments are the remote path (or handle), whether symbolic links are followed, and whether the first argument is a handle.

Background: The group is the second half of Unix ownership, and it drives the "group" permission bits — the mechanism by which several accounts share access to the same files. As with the owner, the server may return a numeric GID when it cannot resolve a name, and the value is meaningful only on servers that implement Unix-style ownership.

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var
success: Boolean;
sftp: HCkSFtp;
port: Integer;
password: PWideChar;
bFollowLinks: Boolean;
bIsHandle: Boolean;
group: PWideChar;

begin
success := False;

//  Demonstrates the SFtp.GetFileGroup method, which returns a remote file's group ownership.  The
//  1st argument is the remote path (or handle), the 2nd selects whether symbolic links are
//  followed, and the 3rd indicates whether the 1st argument is a handle.

sftp := CkSFtp_Create();

//  Connect, authenticate, and initialize the SFTP subsystem.
port := 22;
success := CkSFtp_Connect(sftp,'sftp.example.com',port);
if (success = False) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

//  Normally you would not hard-code the password in source.  You should instead obtain it
//  from an interactive prompt, environment variable, or a secrets vault.
password := 'mySshPassword';

success := CkSFtp_AuthenticatePw(sftp,'mySshLogin',password);
if (success = False) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

success := CkSFtp_InitializeSftp(sftp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

//  The 2nd argument (bFollowLinks) selects whether a symbolic link is followed to its target.
//  The 3rd argument (bIsHandle) is 0 here because the 1st argument is a path, not an
//  open handle.
bFollowLinks := True;
bIsHandle := False;

group := CkSFtp__getFileGroup(sftp,'subdir/report.pdf',bFollowLinks,bIsHandle);
if (CkSFtp_getLastMethodSuccess(sftp) = False) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;
Memo1.Lines.Add('Group: ' + group);

CkSFtp_Disconnect(sftp);

CkSFtp_Dispose(sftp);