Pascal (Lazarus/Delphi)

SFTP using HTTP Proxy

See more SFTP Examples

Demonstrates how to connect to an SFTP/SSH server through an HTTP proxy. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.SFtp;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  sftp: TSFtp;

begin
  success := False;

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

  sftp := TSFtp.Create;

  //  To connect through an HTTP proxy, set the HttpProxyHostname
  //  and HttpProxyPort properties to the hostname (or IP address)
  //  and port of the HTTP proxy.  Typical port numbers used by
  //  HTTP proxy servers are 3128 and 8080.
  sftp.HttpProxyHostname := 'www.my-http-proxy.com';
  sftp.HttpProxyPort := 3128;

  //  Important:  Your HTTP proxy server must allow non-HTTP
  //  traffic to pass.  Otherwise this does not work.

  //  Connect to the SSH server through the HTTP proxy.  
  success := sftp.Connect('sftp.example.com',22);
  if (success <> True) then
    begin
      WriteLn(sftp.LastErrorText);
      Exit;
    end;

  //  Your application is now connected to an SFTP/SSH server 
  //  through an HTTP proxy. 
  //  ...


  sftp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.