move EipFragment to normal and custom flavor for now

1 files changed, 686 insertions, 0 deletions

diff --git a/app/src/normal/java/se.leap.bitmaskclient.base.fragments/EipFragment.java b/app/src/normal/java/se.leap.bitmaskclient.base.fragments/EipFragment.java
new file mode 100644
index 00000000..2588f436
--- /dev/null
+++ b/app/src/normal/java/se.leap.bitmaskclient.base.fragments/EipFragment.java
@@ -0,0 +1,686 @@
+/**
+ * Copyright (c) 2018 LEAP Encryption Access Project and contributers
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package se.leap.bitmaskclient.base.fragments;
+
+import static de.blinkt.openvpn.core.ConnectionStatus.LEVEL_NONETWORK;
+import static se.leap.bitmaskclient.R.string.vpn_certificate_user_message;
+import static se.leap.bitmaskclient.base.models.Constants.ASK_TO_CANCEL_VPN;
+import static se.leap.bitmaskclient.base.models.Constants.EIP_ACTION_START;
+import static se.leap.bitmaskclient.base.models.Constants.EIP_EARLY_ROUTES;
+import static se.leap.bitmaskclient.base.models.Constants.EIP_RESTART_ON_BOOT;
+import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_KEY;
+import static se.leap.bitmaskclient.base.models.Constants.REQUEST_CODE_CONFIGURE_LEAP;
+import static se.leap.bitmaskclient.base.models.Constants.REQUEST_CODE_LOG_IN;
+import static se.leap.bitmaskclient.base.models.Constants.REQUEST_CODE_SWITCH_PROVIDER;
+import static se.leap.bitmaskclient.base.models.Constants.SHARED_PREFERENCES;
+import static se.leap.bitmaskclient.base.utils.ConfigHelper.isDefaultBitmask;
+import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getPreferredCity;
+import static se.leap.bitmaskclient.base.utils.ViewHelper.convertDimensionToPx;
+import static se.leap.bitmaskclient.eip.EipSetupObserver.gatewayOrder;
+import static se.leap.bitmaskclient.eip.EipSetupObserver.reconnectingWithDifferentGateway;
+import static se.leap.bitmaskclient.eip.GatewaysManager.Load.UNKNOWN;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.DOWNLOAD_GEOIP_JSON;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.UPDATE_INVALID_VPN_CERTIFICATE;
+import static se.leap.bitmaskclient.providersetup.ProviderAPI.USER_MESSAGE;
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.content.SharedPreferences;
+import android.graphics.ColorMatrix;
+import android.graphics.ColorMatrixColorFilter;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.Vibrator;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.TextUtils;
+import android.text.style.RelativeSizeSpan;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.widget.AppCompatImageView;
+import androidx.appcompat.widget.AppCompatTextView;
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentTransaction;
+
+import java.util.Observable;
+import java.util.Observer;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+import butterknife.Unbinder;
+import de.blinkt.openvpn.core.ConnectionStatus;
+import de.blinkt.openvpn.core.IOpenVPNServiceInternal;
+import de.blinkt.openvpn.core.OpenVPNService;
+import de.blinkt.openvpn.core.VpnStatus;
+import de.blinkt.openvpn.core.connection.Connection;
+import se.leap.bitmaskclient.BuildConfig;
+import se.leap.bitmaskclient.R;
+import se.leap.bitmaskclient.base.FragmentManagerEnhanced;
+import se.leap.bitmaskclient.base.MainActivity;
+import se.leap.bitmaskclient.base.fragments.DonationReminderDialog;
+import se.leap.bitmaskclient.base.fragments.GatewaySelectionFragment;
+import se.leap.bitmaskclient.base.models.Provider;
+import se.leap.bitmaskclient.base.models.ProviderObservable;
+import se.leap.bitmaskclient.base.utils.PreferenceHelper;
+import se.leap.bitmaskclient.base.views.LocationButton;
+import se.leap.bitmaskclient.base.views.MainButton;
+import se.leap.bitmaskclient.eip.EipCommand;
+import se.leap.bitmaskclient.eip.EipStatus;
+import se.leap.bitmaskclient.eip.GatewaysManager;
+import se.leap.bitmaskclient.providersetup.ProviderAPICommand;
+import se.leap.bitmaskclient.providersetup.ProviderListActivity;
+import se.leap.bitmaskclient.providersetup.activities.CustomProviderSetupActivity;
+import se.leap.bitmaskclient.providersetup.activities.LoginActivity;
+import se.leap.bitmaskclient.providersetup.models.LeapSRPSession;
+import se.leap.bitmaskclient.tor.TorServiceCommand;
+import se.leap.bitmaskclient.tor.TorStatusObservable;
+
+public class EipFragment extends Fragment implements Observer {
+
+    public final static String TAG = EipFragment.class.getSimpleName();
+
+
+    private SharedPreferences preferences;
+    private Provider provider;
+
+    @BindView(R.id.background)
+    AppCompatImageView background;
+
+    @BindView(R.id.main_button)
+    MainButton mainButton;
+
+    @BindView(R.id.gateway_location_button)
+    LocationButton locationButton;
+
+    @BindView(R.id.main_description)
+    AppCompatTextView mainDescription;
+
+    @BindView(R.id.sub_description)
+    AppCompatTextView subDescription;
+
+    private Unbinder unbinder;
+    private EipStatus eipStatus;
+    private ProviderObservable providerObservable;
+    private TorStatusObservable torStatusObservable;
+
+    private GatewaysManager gatewaysManager;
+
+    //---saved Instance -------
+    private final String KEY_SHOW_PENDING_START_CANCELLATION = "KEY_SHOW_PENDING_START_CANCELLATION";
+    private final String KEY_SHOW_ASK_TO_STOP_EIP = "KEY_SHOW_ASK_TO_STOP_EIP";
+    private boolean showPendingStartCancellation = false;
+    private boolean showAskToStopEip = false;
+    //------------------------
+    AlertDialog alertDialog;
+
+    private IOpenVPNServiceInternal mService;
+    // We use this service connection to detect if openvpn is running without network
+    private EipFragmentServiceConnection openVpnConnection;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        Bundle arguments = getArguments();
+        Activity activity = getActivity();
+        if (activity != null) {
+            if (arguments != null) {
+                provider = arguments.getParcelable(PROVIDER_KEY);
+                if (provider == null) {
+                    handleNoProvider(activity);
+                } else {
+                    Log.d(TAG, provider.getName() + " configured as provider");
+                }
+            } else {
+                handleNoProvider(activity);
+            }
+        }
+    }
+
+    private void handleNoProvider(Activity activity) {
+        if (isDefaultBitmask()) {
+            activity.startActivityForResult(new Intent(activity, ProviderListActivity.class), REQUEST_CODE_SWITCH_PROVIDER);
+        } else {
+            Log.e(TAG, "no provider given - try to reconfigure custom provider");
+            startActivityForResult(new Intent(activity, CustomProviderSetupActivity.class), REQUEST_CODE_CONFIGURE_LEAP);
+
+        }
+
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        openVpnConnection = new EipFragmentServiceConnection();
+        eipStatus = EipStatus.getInstance();
+        providerObservable = ProviderObservable.getInstance();
+        torStatusObservable = TorStatusObservable.getInstance();
+        Activity activity = getActivity();
+        if (activity != null) {
+            preferences = getActivity().getSharedPreferences(SHARED_PREFERENCES, Context.MODE_PRIVATE);
+        } else {
+            Log.e(TAG, "activity is null in onCreate - no preferences set!");
+        }
+
+        gatewaysManager = new GatewaysManager(getContext());
+
+
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        eipStatus.addObserver(this);
+        torStatusObservable.addObserver(this);
+        providerObservable.addObserver(this);
+        View view = inflater.inflate(R.layout.f_eip, container, false);
+        unbinder = ButterKnife.bind(this, view);
+
+        try {
+            Bundle arguments = getArguments();
+            if (arguments != null && arguments.containsKey(ASK_TO_CANCEL_VPN) && arguments.getBoolean(ASK_TO_CANCEL_VPN)) {
+                arguments.remove(ASK_TO_CANCEL_VPN);
+                setArguments(arguments);
+                askToStopEIP();
+            }
+        } catch (IllegalStateException e) {
+            // probably setArguments failed because the fragments state is already saved
+            e.printStackTrace();
+        }
+
+        restoreFromSavedInstance(savedInstanceState);
+        locationButton.setOnClickListener(v -> {
+                FragmentManagerEnhanced fragmentManager = new FragmentManagerEnhanced(getActivity().getSupportFragmentManager());
+                Fragment fragment = new GatewaySelectionFragment();
+                fragmentManager.replace(R.id.main_container, fragment, MainActivity.TAG);
+        });
+        return view;
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        if (DonationReminderDialog.isCallable(getContext())) {
+            showDonationReminderDialog();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        if (!eipStatus.isDisconnected()) {
+            openVpnConnection.bindService();
+        }
+        handleNewState();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        openVpnConnection.unbindService();
+    }
+
+    @Override
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        if (showAskToStopEip) {
+            outState.putBoolean(KEY_SHOW_ASK_TO_STOP_EIP, true);
+            alertDialog.dismiss();
+        } else if (showPendingStartCancellation) {
+            outState.putBoolean(KEY_SHOW_PENDING_START_CANCELLATION, true);
+            alertDialog.dismiss();
+        }
+    }
+
+    private void restoreFromSavedInstance(Bundle savedInstanceState) {
+        if (savedInstanceState != null && savedInstanceState.containsKey(KEY_SHOW_PENDING_START_CANCELLATION)) {
+            showPendingStartCancellation = true;
+            askPendingStartCancellation();
+        } else if (savedInstanceState != null && savedInstanceState.containsKey(KEY_SHOW_ASK_TO_STOP_EIP)) {
+            showAskToStopEip = true;
+            askToStopEIP();
+        }
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        eipStatus.deleteObserver(this);
+        providerObservable.deleteObserver(this);
+        torStatusObservable.deleteObserver(this);
+        unbinder.unbind();
+    }
+
+    private void saveStatus(boolean restartOnBoot) {
+        preferences.edit().putBoolean(EIP_RESTART_ON_BOOT, restartOnBoot).apply();
+    }
+
+    @OnClick(R.id.main_button)
+    void onButtonClick() {
+        handleIcon();
+    }
+
+    void handleIcon() {
+        if (isOpenVpnRunningWithoutNetwork() || eipStatus.isConnected() || eipStatus.isConnecting() || eipStatus.isUpdatingVpnCert())
+            handleSwitchOff();
+        else
+            handleSwitchOn();
+    }
+
+    private void handleSwitchOn() {
+        Context context = getContext();
+        if (context == null) {
+            Log.e(TAG, "context is null when switch turning on");
+            return;
+        }
+
+        if (canStartEIP()) {
+            startEipFromScratch();
+        } else if (canLogInToStartEIP()) {
+            askUserToLogIn(getString(vpn_certificate_user_message));
+        } else {
+            // provider has no VpnCertificate but user is logged in
+            updateInvalidVpnCertificate();
+        }
+    }
+
+    private boolean canStartEIP() {
+        boolean certificateExists = provider.hasVpnCertificate();
+        boolean isAllowedAnon = provider.allowsAnonymous();
+        return (isAllowedAnon || certificateExists) && !eipStatus.isConnected() && !eipStatus.isConnecting();
+    }
+
+    private boolean canLogInToStartEIP() {
+        boolean isAllowedRegistered = provider.allowsRegistered();
+        boolean isLoggedIn = LeapSRPSession.loggedIn();
+        return isAllowedRegistered && !isLoggedIn && !eipStatus.isConnecting() && !eipStatus.isConnected();
+    }
+
+    private void handleSwitchOff() {
+        if (isOpenVpnRunningWithoutNetwork() || eipStatus.isConnecting() || eipStatus.isUpdatingVpnCert()) {
+            askPendingStartCancellation();
+        } else if (eipStatus.isConnected()) {
+            askToStopEIP();
+        }
+    }
+
+    private void setMainButtonEnabled(boolean enabled) {
+        locationButton.setEnabled(enabled);
+        mainButton.setEnabled(enabled);
+    }
+
+    public void startEipFromScratch() {
+        saveStatus(true);
+        Context context = getContext();
+        if (context == null) {
+            Log.e(TAG, "context is null when trying to start VPN");
+            return;
+        }
+        if (!provider.getGeoipUrl().isDefault() && provider.shouldUpdateGeoIpJson()) {
+            Bundle bundle = new Bundle();
+            bundle.putBoolean(EIP_ACTION_START, true);
+            bundle.putBoolean(EIP_EARLY_ROUTES, false);
+            ProviderAPICommand.execute(context, DOWNLOAD_GEOIP_JSON, bundle, provider);
+        } else {
+            EipCommand.startVPN(context, false);
+        }
+        EipStatus.getInstance().updateState("UI_CONNECTING", "", 0, ConnectionStatus.LEVEL_START);
+    }
+
+    protected void stopEipIfPossible() {
+        Context context = getContext();
+        if (context == null) {
+            Log.e(TAG, "context is null when trying to stop EIP");
+            return;
+        }
+        EipCommand.stopVPN(context);
+    }
+
+    private void askPendingStartCancellation() {
+        Activity activity = getActivity();
+        if (activity == null) {
+            Log.e(TAG, "activity is null when asking to cancel");
+            return;
+        }
+
+        try {
+            AlertDialog.Builder alertBuilder = new AlertDialog.Builder(getActivity());
+            showPendingStartCancellation = true;
+            alertDialog = alertBuilder.setTitle(activity.getString(R.string.eip_cancel_connect_title))
+                    .setMessage(activity.getString(R.string.eip_cancel_connect_text))
+                    .setPositiveButton((android.R.string.yes), (dialog, which) -> {
+                        Context context = getContext();
+                        if (context != null && eipStatus.isUpdatingVpnCert() &&
+                                TorStatusObservable.isRunning()) {
+                            TorServiceCommand.stopTorServiceAsync(context.getApplicationContext());
+                        }
+                        stopEipIfPossible();
+                    })
+                    .setNegativeButton(activity.getString(android.R.string.no), (dialog, which) -> {
+                    }).setOnDismissListener(dialog -> showPendingStartCancellation = false).show();
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    protected void askToStopEIP() {
+        Activity activity = getActivity();
+        if (activity == null) {
+            Log.e(TAG, "activity is null when asking to stop EIP");
+            return;
+        }
+        try {
+            AlertDialog.Builder alertBuilder = new AlertDialog.Builder(activity);
+            showAskToStopEip = true;
+            alertDialog = alertBuilder.setTitle(activity.getString(R.string.eip_cancel_connect_title))
+                    .setMessage(activity.getString(R.string.eip_warning_browser_inconsistency))
+                    .setPositiveButton((android.R.string.yes), (dialog, which) -> stopEipIfPossible())
+                    .setNegativeButton(activity.getString(android.R.string.no), (dialog, which) -> {
+                    }).setOnDismissListener(dialog -> showAskToStopEip = false).show();
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    @Override
+    public void update(Observable observable, Object data) {
+        if (observable instanceof EipStatus) {
+            eipStatus = (EipStatus) observable;
+            handleNewStateOnMain();
+
+            if (eipStatus.isConnecting()) {
+                openVpnConnection.bindService();
+            }
+            if ("NOPROCESS".equals(EipStatus.getInstance().getState())) {
+                //assure that the Service is shutdown completely if openvpn was stopped
+                openVpnConnection.unbindService();
+            }
+        } else if (observable instanceof ProviderObservable) {
+            provider = ((ProviderObservable) observable).getCurrentProvider();
+        } else if (observable instanceof TorStatusObservable && EipStatus.getInstance().isUpdatingVpnCert()) {
+            handleNewStateOnMain();
+        }
+    }
+
+    private void handleNewStateOnMain() {
+        Activity activity = getActivity();
+        if (activity != null) {
+            activity.runOnUiThread(this::handleNewState);
+        } else {
+            Log.e("EipFragment", "activity is null");
+        }
+    }
+
+    private void handleNewState() {
+        Activity activity = getActivity();
+        if (activity == null) {
+            Log.e(TAG, "activity is null while trying to handle new state");
+            return;
+        }
+
+        Log.d(TAG, "eip fragment eipStatus state: " + eipStatus.getState() + " - level: " + eipStatus.getLevel() + " - is reconnecting: " + eipStatus.isReconnecting());
+        if (eipStatus.isUpdatingVpnCert()) {
+            setMainButtonEnabled(true);
+            showConnectionTransitionLayout(true);
+            locationButton.setText(getString(R.string.eip_status_start_pending));
+            locationButton.setLocationLoad(UNKNOWN);
+            locationButton.showBridgeIndicator(false);
+            locationButton.showRecommendedIndicator(false);
+            mainDescription.setText(null);
+            String torStatus = TorStatusObservable.getStringForCurrentStatus(getContext());
+            if (!TextUtils.isEmpty(torStatus)) {
+                Spannable spannable = new SpannableString(torStatus);
+                spannable.setSpan(new RelativeSizeSpan(0.75f), 0, spannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                subDescription.setText(TextUtils.concat(getString(R.string.updating_certificate_message) + "\n", spannable));
+            } else {
+                subDescription.setText(getString(R.string.updating_certificate_message));
+            }
+        } else if (eipStatus.isConnecting()) {
+            setMainButtonEnabled(true);
+            showConnectionTransitionLayout(true);
+            locationButton.setText(getString(R.string.eip_status_start_pending));
+            locationButton.setLocationLoad(UNKNOWN);
+            locationButton.showBridgeIndicator(false);
+            locationButton.showRecommendedIndicator(false);
+            mainDescription.setText(null);
+            subDescription.setText(null);
+        } else if (eipStatus.isConnected()) {
+            setMainButtonEnabled(true);
+            mainButton.updateState(true, false, false);
+            Connection.TransportType transportType = PreferenceHelper.getUseBridges(getContext()) ? Connection.TransportType.OBFS4 : Connection.TransportType.OPENVPN;
+            locationButton.setLocationLoad(PreferenceHelper.useObfuscationPinning(getContext()) ? GatewaysManager.Load.UNKNOWN : gatewaysManager.getLoadForLocation(VpnStatus.getLastConnectedVpnName(), transportType));
+            locationButton.setText(VpnStatus.getLastConnectedVpnName());
+            locationButton.showBridgeIndicator(VpnStatus.isUsingBridges());
+            locationButton.showRecommendedIndicator(getPreferredCity(getContext())== null);
+            mainDescription.setText(R.string.eip_state_connected);
+            subDescription.setText(null);
+            colorBackground();
+        } else if(isOpenVpnRunningWithoutNetwork()) {
+            Log.d(TAG, "eip fragment eipStatus - isOpenVpnRunningWithoutNetwork");
+            setMainButtonEnabled(true);
+            mainButton.updateState(true, false, true);
+            locationButton.setText(VpnStatus.getCurrentlyConnectingVpnName());
+            locationButton.showBridgeIndicator(VpnStatus.isUsingBridges());
+            locationButton.showBridgeIndicator(VpnStatus.isUsingBridges());
+            locationButton.showRecommendedIndicator(getPreferredCity(getContext())== null);
+            colorBackgroundALittle();
+            mainDescription.setText(R.string.eip_state_connected);
+            subDescription.setText(R.string.eip_state_no_network);
+        } else if (eipStatus.isDisconnected() && reconnectingWithDifferentGateway()) {
+            showConnectionTransitionLayout(true);
+            // showRetryToast(activity);
+            locationButton.setText(getString(R.string.eip_status_start_pending));
+            locationButton.setLocationLoad(UNKNOWN);
+            locationButton.showBridgeIndicator(false);
+            locationButton.showRecommendedIndicator(false);
+            mainDescription.setText(null);
+            subDescription.setText(R.string.reconnecting);
+        } else if (eipStatus.isDisconnecting()) {
+            setMainButtonEnabled(false);
+            showConnectionTransitionLayout(false);
+            mainDescription.setText(R.string.eip_state_insecure);
+        } else if (eipStatus.isBlocking()) {
+            setMainButtonEnabled(true);
+            mainButton.updateState(true, false, true);
+            colorBackgroundALittle();
+            locationButton.setText(getString(R.string.no_location));
+            locationButton.setLocationLoad(UNKNOWN);
+            locationButton.showBridgeIndicator(false);
+            locationButton.showRecommendedIndicator(false);
+            mainDescription.setText(R.string.eip_state_connected);
+            subDescription.setText(getString(R.string.eip_state_blocking, getString(R.string.app_name)));
+        } else {
+            locationButton.setText(activity.getString(R.string.vpn_button_turn_on));
+            setMainButtonEnabled(true);
+            mainButton.updateState(false, false, false);
+            greyscaleBackground();
+            locationButton.setLocationLoad(UNKNOWN);
+            locationButton.showBridgeIndicator(false);
+            String city = getPreferredCity(getContext());
+            locationButton.setText(city == null ? getString(R.string.gateway_selection_recommended_location) : city);
+            locationButton.showRecommendedIndicator(false);
+            mainDescription.setText(R.string.eip_state_insecure);
+            subDescription.setText(R.string.connection_not_connected);
+        }
+    }
+
+    private void showToast(Activity activity, String message, boolean vibrateLong) {
+        LayoutInflater inflater = getLayoutInflater();
+        View layout = inflater.inflate(R.layout.custom_toast,
+                activity.findViewById(R.id.custom_toast_container));
+
+        AppCompatTextView text = layout.findViewById(R.id.text);
+        text.setText(message);
+
+        Vibrator v = (Vibrator) activity.getSystemService(Context.VIBRATOR_SERVICE);
+        if (vibrateLong) {
+            v.vibrate(100);
+            v.vibrate(200);
+        } else {
+            v.vibrate(100);
+        }
+
+        Toast toast = new Toast(activity.getApplicationContext());
+        toast.setGravity(Gravity.BOTTOM, 0, convertDimensionToPx(this.getContext(), R.dimen.stdpadding));
+        toast.setDuration(Toast.LENGTH_LONG);
+        toast.setView(layout);
+        toast.show();
+    }
+
+    private void showRetryToast(Activity activity) {
+        int nClosestGateway = gatewayOrder();
+        String message = String.format("Server number " + nClosestGateway + " not reachable. Trying next gateway.");
+        showToast(activity, message, true );
+    }
+
+    private void showConnectionTransitionLayout(boolean isConnecting) {
+        mainButton.updateState(true, isConnecting, false);
+        if (isConnecting) {
+            colorBackgroundALittle();
+        } else {
+            greyscaleBackground();
+        }
+    }
+
+    private boolean isOpenVpnRunningWithoutNetwork() {
+        boolean isRunning = false;
+        try {
+            isRunning = eipStatus.getLevel() == LEVEL_NONETWORK &&
+                    mService.isVpnRunning();
+        } catch (Exception e) {
+            //eat me
+            e.printStackTrace();
+        }
+
+        return isRunning;
+    }
+
+    private void greyscaleBackground() {
+        if (BuildConfig.use_color_filter) {
+            ColorMatrix matrix = new ColorMatrix();
+            matrix.setSaturation(0);
+            ColorMatrixColorFilter cf = new ColorMatrixColorFilter(matrix);
+            background.setColorFilter(cf);
+            background.setImageAlpha(255);
+        }
+    }
+
+    private void colorBackgroundALittle() {
+        if (BuildConfig.use_color_filter) {
+            background.setColorFilter(null);
+            background.setImageAlpha(144);
+        }
+    }
+
+    private void colorBackground() {
+        if (BuildConfig.use_color_filter) {
+            background.setColorFilter(null);
+            background.setImageAlpha(210);
+        }
+    }
+
+    private void updateInvalidVpnCertificate() {
+        eipStatus.setUpdatingVpnCert(true);
+        ProviderAPICommand.execute(getContext(), UPDATE_INVALID_VPN_CERTIFICATE, provider);
+    }
+
+    private void askUserToLogIn(String userMessage) {
+        Intent intent = new Intent(getContext(), LoginActivity.class);
+        intent.putExtra(PROVIDER_KEY, provider);
+
+        if(userMessage != null) {
+            intent.putExtra(USER_MESSAGE, userMessage);
+        }
+
+        Activity activity = getActivity();
+        if (activity != null) {
+            activity.startActivityForResult(intent, REQUEST_CODE_LOG_IN);
+        }
+    }
+
+    private class EipFragmentServiceConnection implements ServiceConnection {
+        private final AtomicBoolean bind = new AtomicBoolean(false);
+
+        void bindService() {
+            Activity activity = getActivity();
+            if (activity == null) {
+                Log.e(TAG, "activity is null when binding OpenVpn");
+                return;
+            }
+            if (!bind.get()) {
+                activity.runOnUiThread(() -> {
+                        Intent intent = new Intent(activity, OpenVPNService.class);
+                        intent.setAction(OpenVPNService.START_SERVICE);
+
+                        activity.bindService(intent, EipFragmentServiceConnection.this, Context.BIND_AUTO_CREATE);
+                        bind.set(true);
+                });
+            }
+        }
+
+        void unbindService() {
+            Activity activity = getActivity();
+            if (activity == null) {
+                return;
+            }
+            if (bind.get()) {
+                activity.runOnUiThread(() -> {
+                    activity.unbindService(EipFragmentServiceConnection.this);
+                    bind.set(false);
+                });
+            }
+        }
+
+        @Override
+        public void onServiceConnected(ComponentName className,
+                                       IBinder service) {
+            mService = IOpenVPNServiceInternal.Stub.asInterface(service);
+            handleNewState();
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName arg0) {
+            mService = null;
+        }
+    }
+
+    public void showDonationReminderDialog() {
+        try {
+            FragmentTransaction fragmentTransaction = new FragmentManagerEnhanced(
+                    getActivity().getSupportFragmentManager()).removePreviousFragment(
+                    DonationReminderDialog.TAG);
+            DialogFragment newFragment = new DonationReminderDialog();
+            newFragment.setCancelable(false);
+            newFragment.show(fragmentTransaction, DonationReminderDialog.TAG);
+        } catch (IllegalStateException | NullPointerException e) {
+            e.printStackTrace();
+        }
+    }
+}