(Android™) FTPS with Mutual TLS Authentication (TLS Client Certificate)

Demonstrates how to do mutual TLS authentication (using a client certificate from a .pfx/.p12).

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

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

    CkFtp2 ftp = new CkFtp2();

    ftp.put_Hostname("ftp.example.com");
    ftp.put_Port(21);

    // If using implicit TLS, you probably want port 990..
    ftp.put_Port(990);

    // Set this to false for implicit TLS, otherwise set to true for explicit TLS (where port is typically 21).
    ftp.put_AuthTls(false);

    // Set this to true for implicit TLS, otherwise set to false.
    ftp.put_Ssl(true);

    CkCert cert = new CkCert();
    boolean success = cert.LoadPfxFile("qa_data/pfx/example.pfx","pfx_password");
    if (success == false) {
        Log.i(TAG, cert.lastErrorText());
        return;
        }

    // Use this certificate for our TLS mutually authenticated connection:
    success = ftp.SetSslClientCert(cert);
    if (success == false) {
        Log.i(TAG, cert.lastErrorText());
        return;
        }

    // Establish the TLS connection with the FTP server.
    success = ftp.ConnectOnly();
    if (success == false) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    // If a login is required, then login with the FTP account login/password.
    ftp.put_Username("myLogin");
    ftp.put_Password("myPassword");
    success = ftp.LoginAfterConnectOnly();
    if (success == false) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    // Do whatever you're doing to do ...
    // upload files, download files, etc...

    // .....
    // .....

    success = ftp.Disconnect();

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}