diff options
Diffstat (limited to 'app/src/main/java/se/leap/bitmaskclient/VpnFragment.java')
| -rw-r--r-- | app/src/main/java/se/leap/bitmaskclient/VpnFragment.java | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java b/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java new file mode 100644 index 00000000..2e3d7524 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java @@ -0,0 +1,343 @@ +/** + * Copyright (c) 2013 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; + +import android.app.*; +import android.content.*; +import android.os.*; +import android.view.*; +import android.widget.*; + +import org.jetbrains.annotations.*; + +import java.util.*; + +import butterknife.*; +import de.blinkt.openvpn.activities.*; +import mbanje.kurt.fabbutton.*; +import se.leap.bitmaskclient.eip.*; + +public class VpnFragment extends Fragment implements Observer { + + public static String TAG = VpnFragment.class.getSimpleName(); + + public static final String IS_PENDING = TAG + ".is_pending"; + protected static final String IS_CONNECTED = TAG + ".is_connected"; + public static final String START_ON_BOOT = "start on boot"; + + @InjectView(R.id.vpn_Status_Image) + FabButton vpn_status_image; + @InjectView(R.id.vpn_main_button) + Button main_button; + + private static Dashboard dashboard; + private static EIPReceiver eip_receiver; + private static EipStatus eip_status; + private boolean wants_to_connect; + + public void onAttach(Activity activity) { + super.onAttach(activity); + + dashboard = (Dashboard) activity; + ProviderAPIResultReceiver provider_api_receiver = new ProviderAPIResultReceiver(new Handler(), dashboard); + + if(eip_receiver != null) + ProviderAPICommand.execute(Bundle.EMPTY, ProviderAPI.DOWNLOAD_EIP_SERVICE, provider_api_receiver); + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + eip_status = EipStatus.getInstance(); + eip_status.addObserver(this); + eip_receiver = new EIPReceiver(new Handler()); + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + View view = inflater.inflate(R.layout.eip_service_fragment, container, false); + ButterKnife.inject(this, view); + + Bundle arguments = getArguments(); + if (arguments != null && arguments.containsKey(START_ON_BOOT) && arguments.getBoolean(START_ON_BOOT)) + startEipFromScratch(); + if (savedInstanceState != null) restoreState(savedInstanceState); + + return view; + } + + private void restoreState(@NotNull Bundle savedInstanceState) { + if (savedInstanceState.getBoolean(IS_PENDING)) + eip_status.setConnecting(); + else if (savedInstanceState.getBoolean(IS_CONNECTED)) + eip_status.setConnectedOrDisconnected(); + } + + @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()); + super.onSaveInstanceState(outState); + } + + protected void saveStatus() { + boolean is_on = eip_status.isConnected() || eip_status.isConnecting(); + Dashboard.preferences.edit().putBoolean(Dashboard.START_ON_BOOT, is_on).commit(); + } + + @OnClick(R.id.vpn_main_button) + void handleIcon() { + if (eip_status.isConnected() || eip_status.isConnecting()) + handleSwitchOff(); + else + handleSwitchOn(); + + saveStatus(); + } + + private void handleSwitchOn() { + if (canStartEIP()) + startEipFromScratch(); + else if (canLogInToStartEIP()) { + wants_to_connect = true; + Bundle bundle = new Bundle(); + bundle.putBoolean(IS_PENDING, true); + dashboard.sessionDialog(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(); + return isAllowedRegistered && !isLoggedIn && !eip_status.isConnecting() && !eip_status.isConnected(); + } + + private void handleSwitchOff() { + if (eip_status.isConnecting()) { + askPendingStartCancellation(); + } else if (eip_status.isConnected()) { + askToStopEIP(); + } else + updateIcon(); + } + + private void askPendingStartCancellation() { + AlertDialog.Builder alertBuilder = new AlertDialog.Builder(dashboard); + alertBuilder.setTitle(dashboard.getString(R.string.eip_cancel_connect_title)) + .setMessage(dashboard.getString(R.string.eip_cancel_connect_text)) + .setPositiveButton((android.R.string.yes), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + askToStopEIP(); + } + }) + .setNegativeButton(dashboard.getString(android.R.string.no), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + } + }) + .show(); + } + + public void startEipFromScratch() { + wants_to_connect = false; + eip_status.setConnecting(); + + saveStatus(); + eipCommand(Constants.ACTION_START_EIP); + } + + private void stop() { + if (eip_status.isConnecting()) + VoidVpnService.stop(); + disconnect(); + } + + private void disconnect() { + Intent disconnect_vpn = new Intent(dashboard, DisconnectVPN.class); + dashboard.startActivityForResult(disconnect_vpn, EIP.DISCONNECT); + eip_status.setDisconnecting(); + } + + protected void stopEipIfPossible() { + eipCommand(Constants.ACTION_STOP_EIP); + } + + private void askToStopEIP() { + AlertDialog.Builder alertBuilder = new AlertDialog.Builder(dashboard); + alertBuilder.setTitle(dashboard.getString(R.string.eip_cancel_connect_title)) + .setMessage(dashboard.getString(R.string.eip_warning_browser_inconsistency)) + .setPositiveButton((android.R.string.yes), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + stopEipIfPossible(); + } + }) + .setNegativeButton(dashboard.getString(android.R.string.no), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + } + }) + .show(); + } + + protected void updateEipService() { + eipCommand(Constants.ACTION_UPDATE_EIP_SERVICE); + } + + /** + * 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(dashboard.getApplicationContext(), EIP.class); + vpn_intent.setAction(action); + vpn_intent.putExtra(Constants.RECEIVER_TAG, eip_receiver); + dashboard.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; + dashboard.runOnUiThread(new Runnable() { + @Override + public void run() { + handleNewState(eip_status); + } + }); + } + } + + private void handleNewState(EipStatus eip_status) { + Context context = dashboard.getApplicationContext(); + String error = eip_status.lastError(5, context); + + if (!error.isEmpty()) { + dashboard.showLog(); + VoidVpnService.stop(); + } + updateIcon(); + updateButton(); + } + + private void updateIcon() { + if (eip_status.isConnected() || eip_status.isConnecting()) { + if(eip_status.isConnecting()) { + vpn_status_image.showProgress(true); + vpn_status_image.setIcon(R.drawable.ic_stat_vpn_empty_halo, R.drawable.ic_stat_vpn_empty_halo); + } else { + vpn_status_image.showProgress(false); + vpn_status_image.setIcon(R.drawable.ic_stat_vpn, R.drawable.ic_stat_vpn); + } + } else { + vpn_status_image.setIcon(R.drawable.ic_stat_vpn_offline, R.drawable.ic_stat_vpn_offline); + vpn_status_image.showProgress(false); + } + } + + private void updateButton() { + if (eip_status.isConnected() || eip_status.isConnecting()) { + if(eip_status.isConnecting()) { + main_button.setText(dashboard.getString(android.R.string.cancel)); + } else { + main_button.setText(dashboard.getString(R.string.vpn_button_turn_off)); + } + } else { + main_button.setText(dashboard.getString(R.string.vpn_button_turn_on)); + } + } + + 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: + stop(); + 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.downloadVpnCertificate(); + break; + } + } else if (request.equals(Constants.ACTION_UPDATE_EIP_SERVICE)) { + switch (resultCode) { + case Activity.RESULT_OK: + if (wants_to_connect) + startEipFromScratch(); + break; + case Activity.RESULT_CANCELED: + handleNewState(eip_status); + break; + } + } + } + } + + + public static EIPReceiver getReceiver() { + return eip_receiver; + } +} |