package se.leap.bitmaskclient; import android.app.Activity; import android.app.AlertDialog; import android.app.Fragment; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.os.ResultReceiver; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ProgressBar; import android.widget.Switch; import android.widget.TextView; import java.util.Observable; import java.util.Observer; import butterknife.ButterKnife; import butterknife.InjectView; import butterknife.OnCheckedChanged; import de.blinkt.openvpn.activities.DisconnectVPN; import se.leap.bitmaskclient.eip.Constants; import se.leap.bitmaskclient.eip.EIP; import se.leap.bitmaskclient.eip.EipStatus; import se.leap.bitmaskclient.eip.VoidVpnService; public class EipFragment extends Fragment implements Observer { public static String TAG = EipFragment.class.getSimpleName(); protected static final String IS_PENDING = TAG + ".is_pending"; protected static final String IS_CONNECTED = TAG + ".is_connected"; protected static final String STATUS_MESSAGE = TAG + ".status_message"; public static final String START_ON_BOOT = "start on boot"; private View view; @InjectView(R.id.eipSwitch) Switch eip_switch; @InjectView(R.id.status_message) TextView status_message; @InjectView(R.id.eipProgress) ProgressBar progress_bar; private static Activity parent_activity; private static EIPReceiver mEIPReceiver; private static EipStatus eip_status; private boolean is_starting_to_connect; @Override public void onAttach(Activity activity) { super.onAttach(activity); parent_activity = activity; Dashboard dashboard = (Dashboard) parent_activity; Intent provider_API_command = dashboard.prepareProviderAPICommand(); provider_API_command.setAction(ProviderAPI.DOWNLOAD_EIP_SERVICE); parent_activity.startService(provider_API_command); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); eip_status = EipStatus.getInstance(); eip_status.addObserver(this); mEIPReceiver = new EIPReceiver(new Handler()); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { view = inflater.inflate(R.layout.eip_service_fragment, container, false); ButterKnife.inject(this, view); if (eip_status.isConnecting()) eip_switch.setVisibility(View.VISIBLE); Log.d(TAG, "onCreateView, eip_switch is checked? " + eip_switch.isChecked()); Bundle arguments = getArguments(); if(arguments != null && arguments.containsKey(START_ON_BOOT) && arguments.getBoolean(START_ON_BOOT)) startEipFromScratch(); if (savedInstanceState != null) { status_message.setText(savedInstanceState.getString(STATUS_MESSAGE)); if(savedInstanceState.getBoolean(IS_PENDING)) eip_status.setConnecting(); else if(savedInstanceState.getBoolean(IS_CONNECTED)) { eip_status.setConnectedOrDisconnected(); } } return view; } @Override public void onResume() { super.onResume(); eipCommand(Constants.ACTION_CHECK_CERT_VALIDITY); handleNewState(eip_status); } @Override public void onSaveInstanceState(Bundle outState) { outState.putBoolean(IS_PENDING, eip_status.isConnecting()); outState.putBoolean(IS_CONNECTED, eip_status.isConnected()); Log.d(TAG, "status message onSaveInstanceState = " + status_message.getText().toString()); outState.putString(STATUS_MESSAGE, status_message.getText().toString()); super.onSaveInstanceState(outState); } protected void saveEipStatus() { boolean eip_is_on = false; Log.d(TAG, "saveEipStatus"); if(eip_switch.isChecked()) { eip_is_on = true; } if(parent_activity != null) Dashboard.preferences.edit().putBoolean(Dashboard.START_ON_BOOT, eip_is_on).commit(); } @OnCheckedChanged(R.id.eipSwitch) void handleSwitch(boolean isChecked) { if(isChecked) handleSwitchOn(); else handleSwitchOff(); saveEipStatus(); } private void handleSwitchOn() { if(canStartEIP()) startEipFromScratch(); else if(canLogInToStartEIP()) { Log.d(TAG, "Can Log In to start EIP"); Dashboard dashboard = (Dashboard) parent_activity; Bundle bundle = new Bundle(); bundle.putBoolean(IS_PENDING, true); dashboard.logInDialog(bundle); } } private boolean canStartEIP() { boolean certificateExists = !Dashboard.preferences.getString(Constants.CERTIFICATE, "").isEmpty(); boolean isAllowedAnon = Dashboard.preferences.getBoolean(Constants.ALLOWED_ANON, false); return (isAllowedAnon || certificateExists) && !eip_status.isConnected() && !eip_status.isConnecting(); } private boolean canLogInToStartEIP() { boolean isAllowedRegistered = Dashboard.preferences.getBoolean(Constants.ALLOWED_REGISTERED, false); boolean isLoggedIn = !LeapSRPSession.getToken().isEmpty(); Log.d(TAG, "Allow registered? " + isAllowedRegistered); Log.d(TAG, "Is logged in? " + isLoggedIn); return isAllowedRegistered && !isLoggedIn && !eip_status.isConnecting() && !eip_status.isConnected(); } private void handleSwitchOff() { if(eip_status.isConnecting()) { askPendingStartCancellation(); } else if(eip_status.isConnected()) { askToStopEIP(); } } private void askPendingStartCancellation() { AlertDialog.Builder alertBuilder = new AlertDialog.Builder(parent_activity); alertBuilder.setTitle(parent_activity.getString(R.string.eip_cancel_connect_title)) .setMessage(parent_activity.getString(R.string.eip_cancel_connect_text)) .setPositiveButton((R.string.yes), new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { askToStopEIP(); } }) .setNegativeButton(parent_activity.getString(R.string.no), new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { eip_switch.setChecked(true); } }) .show(); } public void startEipFromScratch() { is_starting_to_connect = true; progress_bar.setVisibility(View.VISIBLE); eip_switch.setVisibility(View.VISIBLE); String status = parent_activity.getString(R.string.eip_status_start_pending); status_message.setText(status); if(!eip_switch.isChecked()) { eip_switch.setChecked(true); saveEipStatus(); } eipCommand(Constants.ACTION_START_EIP); } private void stopEIP() { if(eip_status.isConnecting()) VoidVpnService.stop(); Intent disconnect_vpn = new Intent(parent_activity, DisconnectVPN.class); parent_activity.startActivityForResult(disconnect_vpn, EIP.DISCONNECT); eip_status.setDisconnecting(); } protected void askToStopEIP() { hideProgressBar(); String status = parent_activity.getString(R.string.eip_state_not_connected); status_message.setText(status); eipCommand(Constants.ACTION_STOP_EIP); } /** * Send a command to EIP * * @param action A valid String constant from EIP class representing an Intent * filter for the EIP class */ private void eipCommand(String action){ // TODO validate "action"...how do we get the list of intent-filters for a class via Android API? Intent vpn_intent = new Intent(parent_activity.getApplicationContext(), EIP.class); vpn_intent.setAction(action); vpn_intent.putExtra(Constants.RECEIVER_TAG, mEIPReceiver); parent_activity.startService(vpn_intent); } @Override public void update (Observable observable, Object data) { if(observable instanceof EipStatus) { eip_status = (EipStatus) observable; final EipStatus eip_status = (EipStatus) observable; parent_activity.runOnUiThread(new Runnable() { @Override public void run() { handleNewState(eip_status); } }); } } private void handleNewState(EipStatus eip_status) { Log.d(TAG, "handleNewState: " + eip_status.toString()); if(eip_status.wantsToDisconnect()) setDisconnectedUI(); else if(eip_status.isConnecting() || is_starting_to_connect) setInProgressUI(eip_status); else if (eip_status.isConnected()) setConnectedUI(); else if (eip_status.isDisconnected() && !eip_status.isConnecting()) setDisconnectedUI(); } private void setConnectedUI() { hideProgressBar(); Log.d(TAG, "setConnectedUi? " + eip_status.isConnected()); adjustSwitch(); is_starting_to_connect = false; status_message.setText(parent_activity.getString(R.string.eip_state_connected)); } private void setDisconnectedUI(){ hideProgressBar(); adjustSwitch(); status_message.setText(parent_activity.getString(R.string.eip_state_not_connected)); } private void adjustSwitch() { if(eip_status.isConnected() || eip_status.isConnecting() || is_starting_to_connect) { Log.d(TAG, "adjustSwitch, isConnected || isConnecting, is checked"); if(!eip_switch.isChecked()) { eip_switch.setChecked(true); } } else { Log.d(TAG, "adjustSwitch, !isConnected && !isConnecting? " + eip_status.toString()); if(eip_switch.isChecked()) { eip_switch.setChecked(false); } } } private void setInProgressUI(EipStatus eip_status) { int localizedResId = eip_status.getLocalizedResId(); String logmessage = eip_status.getLogMessage(); String prefix = parent_activity.getString(localizedResId); status_message.setText(prefix + " " + logmessage); is_starting_to_connect = false; adjustSwitch(); } private void hideProgressBar() { if(progress_bar != null) progress_bar.setVisibility(View.GONE); } protected class EIPReceiver extends ResultReceiver { protected EIPReceiver(Handler handler){ super(handler); } @Override protected void onReceiveResult(int resultCode, Bundle resultData) { super.onReceiveResult(resultCode, resultData); String request = resultData.getString(Constants.REQUEST_TAG); if (request.equals(Constants.ACTION_START_EIP)) { switch (resultCode){ case Activity.RESULT_OK: break; case Activity.RESULT_CANCELED: break; } } else if (request.equals(Constants.ACTION_STOP_EIP)) { switch (resultCode){ case Activity.RESULT_OK: stopEIP(); break; case Activity.RESULT_CANCELED: break; } } else if (request.equals(Constants.EIP_NOTIFICATION)) { switch (resultCode){ case Activity.RESULT_OK: break; case Activity.RESULT_CANCELED: break; } } else if (request.equals(Constants.ACTION_CHECK_CERT_VALIDITY)) { switch (resultCode) { case Activity.RESULT_OK: break; case Activity.RESULT_CANCELED: Dashboard dashboard = (Dashboard) parent_activity; progress_bar.setVisibility(View.VISIBLE); status_message.setText(getString(R.string.updating_certificate_message)); if(LeapSRPSession.getToken().isEmpty() && !Dashboard.preferences.getBoolean(Constants.ALLOWED_ANON, false)) { dashboard.logInDialog(Bundle.EMPTY); } else { Intent provider_API_command = dashboard.prepareProviderAPICommand(); provider_API_command.setAction(ProviderAPI.DOWNLOAD_CERTIFICATE); parent_activity.startService(provider_API_command); } break; } } } } public static EIPReceiver getReceiver() { return mEIPReceiver; } }