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//
// Copyright 2017 Filippo "Fil" Bergamo <fil.bergamo@riseup.net>
//
// This file is part of RepWifiApp.
//
// RepWifiApp 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.
//
// RepWifiApp 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 RepWifiApp. If not, see <http://www.gnu.org/licenses/>.
//
// ********************************************************************
package fil.libre.repwifiapp.activities;
import java.util.List;
import fil.libre.repwifiapp.ActivityLauncher;
import fil.libre.repwifiapp.Commons;
import fil.libre.repwifiapp.R;
import fil.libre.repwifiapp.ActivityLauncher.RequestCode;
import fil.libre.repwifiapp.helpers.AccessPointInfo;
import fil.libre.repwifiapp.helpers.OpenVpnManager;
import fil.libre.repwifiapp.helpers.Utils;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;
public class VpnSettingsActivity extends Activity {
private AccessPointInfo currentNetwork;
private Spinner spinProfile;
private TextView summaryView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_vpn_settings);
String title = getString(R.string.title_activity_vpn_settings);
Intent intent = getIntent();
if (!intent.hasExtra(ActivityLauncher.EXTRA_APINFO)) {
this.setResult(RESULT_CANCELED);
this.finish();
return;
}
this.currentNetwork = (AccessPointInfo) intent.getExtras().getSerializable(
ActivityLauncher.EXTRA_APINFO);
if (this.currentNetwork == null) {
this.setResult(RESULT_CANCELED);
this.finish();
return;
}
this.currentNetwork = Commons.storage.getSavedNetwork(currentNetwork);
this.spinProfile = (Spinner)findViewById(R.id.spin_vpn_profile);
this.summaryView = (TextView)findViewById(R.id.lbl_vpn_settings);
String summary = getString(R.string.summary_vpn_settings).replace(OpenVpnManager.PLACEHOLDER_APPNAME, OpenVpnManager.APP_COMMON_NAME);
summaryView.setText(summary);
title += " " + currentNetwork.getSsid();
this.setTitle(title);
if (!checkExternalApp()){
toggleSettingsEnabled(false);
} else {
initVpnManager();
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
switch (requestCode) {
case RequestCode.VPN_PERMISSION:
if (resultCode != RESULT_OK) {
toggleSettingsEnabled(false);
Utils.logDebug("User rejected vpn permission.");
String msg = getString(R.string.msg_vpn_no_permission).replace(
OpenVpnManager.PLACEHOLDER_APPNAME, OpenVpnManager.APP_COMMON_NAME);
Commons.showMessage(msg, this);
return;
}
break;
default:
break;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
return true;
}
private void initVpnManager(){
try {
Intent intentAllow = OpenVpnManager.askApiPermissionsGetIntent();
if (intentAllow != null){
startActivityForResult(intentAllow, ActivityLauncher.RequestCode.VPN_PERMISSION);
}
List<String> profiles = OpenVpnManager.getExistingProfiles();
if (profiles.size() == 0){
String msg = getString(R.string.msg_vpn_no_profile).replace(OpenVpnManager.PLACEHOLDER_APPNAME, OpenVpnManager.APP_COMMON_NAME);
Commons.showMessage(msg, this);
toggleSettingsEnabled(false);
return;
}
Spinner spin = (Spinner)findViewById(R.id.spin_vpn_profile);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_dropdown_item,profiles);
adapter.insert("",0);
spin.setAdapter(adapter);
spin.setSelection(adapter.getPosition(currentNetwork.getVpnProfileName()));
} catch (Exception e) {
Utils.logError("Exception while creating openvpnmanager",e);
Commons.showMessage(getString(R.string.msg_vpn_connect_error));
toggleSettingsEnabled(false);
}
}
private boolean checkExternalApp(){
if (! OpenVpnManager.isExternalAppInstalled(this)){
String msg = getString(R.string.text_vpn_package_missing).replace(OpenVpnManager.PLACEHOLDER_APPNAME, OpenVpnManager.APP_COMMON_NAME);
Commons.showMessage(msg, this);
toggleSettingsEnabled(false);
return false;
} else {
return true;
}
}
private void toggleSettingsEnabled(boolean enabled){
spinProfile.setEnabled(enabled);
Button b = (Button)findViewById(R.id.btn_save_vpn_settings);
b.setEnabled(enabled);
}
public void btnSaveClick(View v){
String vpnProf = (String)spinProfile.getSelectedItem();
/*if (! vpnProf.isEmpty()){
// check if profile name exists
if( OpenVpnManager.getUuidFromName(vpnProf) == null){
Commons.showMessage(getString(R.string.msg_vpn_wrong_profile), this);
return;
}
}*/
// save profile
currentNetwork.setVpnProfileName(vpnProf);
Commons.storage.save(currentNetwork);
terminate();
}
public void btnBackClick(View v){
terminate();
}
private void terminate(){
finish();
}
}
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