/**
* 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 .
*/
package se.leap.bitmaskclient;
import android.app.*;
import android.content.*;
import android.os.*;
import android.view.*;
import android.widget.*;
import com.pedrogomez.renderers.Renderer;
import com.pedrogomez.renderers.RendererAdapter;
import java.io.*;
import java.net.*;
import java.util.*;
import butterknife.ButterKnife;
import butterknife.InjectView;
import org.jetbrains.annotations.NotNull;
import org.json.*;
import javax.inject.Inject;
import se.leap.bitmaskclient.DownloadFailedDialog.DownloadFailedDialogInterface;
import se.leap.bitmaskclient.NewProviderDialog.NewProviderDialogInterface;
import se.leap.bitmaskclient.ProviderAPIResultReceiver.Receiver;
import se.leap.bitmaskclient.ProviderDetailFragment.ProviderDetailFragmentInterface;
import se.leap.bitmaskclient.ProviderListContent.ProviderItem;
import se.leap.bitmaskclient.FragmentManagerEnhanced;
import se.leap.bitmaskclient.eip.Constants;
/**
* Activity that builds and shows the list of known available providers.
*
* It also allows the user to enter custom providers with a button.
*
* @author parmegv
*
*/
public class ConfigurationWizard extends Activity
implements ProviderListFragment.Callbacks, NewProviderDialogInterface, ProviderDetailFragmentInterface, DownloadFailedDialogInterface, Receiver {
@InjectView(R.id.progressbar_configuration_wizard) ProgressBar mProgressBar;
@InjectView(R.id.progressbar_description) TextView progressbar_description;
@InjectView(R.id.provider_list) ListView provider_list_view;
@Inject RendererAdapter adapter;
private ProviderManager provider_manager;
private ProviderListFragment provider_list_fragment;
private Intent mConfigState = new Intent();
private ProviderItem selected_provider;
final public static String TAG = ConfigurationWizard.class.getSimpleName();
final public static String TYPE_OF_CERTIFICATE = "type_of_certificate";
final public static String ANON_CERTIFICATE = "anon_certificate";
final public static String AUTHED_CERTIFICATE = "authed_certificate";
final protected static String PROVIDER_SET = "PROVIDER SET";
final protected static String SERVICES_RETRIEVED = "SERVICES RETRIEVED";
final protected static String ASSETS_URL_FOLDER = "urls";
final private static String PROGRESSBAR_TEXT = TAG + "PROGRESSBAR_TEXT";
final private static String PROGRESSBAR_NUMBER = TAG + "PROGRESSBAR_NUMBER";
public ProviderAPIResultReceiver providerAPI_result_receiver;
private ProviderAPIBroadcastReceiver_Update providerAPI_broadcast_receiver_update;
private static SharedPreferences preferences;
FragmentManagerEnhanced fragment_manager;
private static boolean setting_up_provider = false;
private String progressbar_text = "";
private String provider_name = "";
private int progress = -1;
private void initProviderList() {
List> prototypes = new ArrayList>();
prototypes.add(new ProviderRenderer(this));
ProviderRendererBuilder providerRendererBuilder = new ProviderRendererBuilder(prototypes);
adapter = new RendererAdapter(getLayoutInflater(), providerRendererBuilder, provider_manager);
provider_list_view.setAdapter(adapter);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
if(mProgressBar != null)
outState.putInt(PROGRESSBAR_NUMBER, mProgressBar.getProgress());
if(progressbar_description != null)
outState.putString(PROGRESSBAR_TEXT, progressbar_description.getText().toString());
if(selected_provider != null)
outState.putString(Provider.NAME, selected_provider.name());
outState.putParcelable(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver);
super.onSaveInstanceState(outState);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE);
fragment_manager = new FragmentManagerEnhanced(getFragmentManager());
provider_manager = new ProviderManager(getAssets());
setUpInitialUI();
setUpProviderAPIResultReceiver();
setUpProviderList();
if ( savedInstanceState != null ) {
restoreState(savedInstanceState);
}
}
private void restoreState(Bundle savedInstanceState) {
progressbar_text = savedInstanceState.getString(PROGRESSBAR_TEXT, "");
provider_name = savedInstanceState.getString(Provider.NAME, "");
selected_provider = getProvider(provider_name);
progress = savedInstanceState.getInt(PROGRESSBAR_NUMBER, -1);
providerAPI_result_receiver = savedInstanceState.getParcelable(ProviderAPI.RECEIVER_KEY);
providerAPI_result_receiver.setReceiver(this);
}
@Override
protected void onPostResume() {
super.onPostResume();
if(!progressbar_text.isEmpty() && !provider_name.isEmpty() && progress != -1) {
progressbar_description.setText(progressbar_text);
onItemSelectedUi(getProvider(provider_name));
mProgressBar.setProgress(progress);
progressbar_text = "";
provider_name = "";
progress = -1;
}
}
private void setUpInitialUI() {
setContentView(R.layout.configuration_wizard_activity);
ButterKnife.inject(this);
hideProgressBar();
}
private void hideProgressBar() {
mProgressBar.setVisibility(ProgressBar.INVISIBLE);
progressbar_description.setVisibility(TextView.INVISIBLE);
}
private void setUpProviderList() {
initProviderList();
provider_list_fragment = ProviderListFragment.newInstance();
Bundle arguments = new Bundle();
int configuration_wizard_request_code = getIntent().getIntExtra(Dashboard.REQUEST_CODE, -1);
if(configuration_wizard_request_code == Dashboard.SWITCH_PROVIDER)
arguments.putBoolean(ProviderListFragment.SHOW_ALL_PROVIDERS, true);
provider_list_fragment.setArguments(arguments);
putProviderListFragment();
}
private void putProviderListFragment() {
fragment_manager.replace(R.id.configuration_wizard_layout, provider_list_fragment, ProviderListFragment.TAG);
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(providerAPI_broadcast_receiver_update);
}
private void setUpProviderAPIResultReceiver() {
providerAPI_result_receiver = new ProviderAPIResultReceiver(new Handler());
providerAPI_result_receiver.setReceiver(this);
providerAPI_broadcast_receiver_update = new ProviderAPIBroadcastReceiver_Update();
IntentFilter update_intent_filter = new IntentFilter(ProviderAPI.UPDATE_PROGRESSBAR);
update_intent_filter.addCategory(Intent.CATEGORY_DEFAULT);
registerReceiver(providerAPI_broadcast_receiver_update, update_intent_filter);
}
@Override
public void onReceiveResult(int resultCode, Bundle resultData) {
if(resultCode == ProviderAPI.PROVIDER_OK) {
mConfigState.setAction(PROVIDER_SET);
if (preferences.getBoolean(Constants.ALLOWED_ANON, false)){
mConfigState.putExtra(SERVICES_RETRIEVED, true);
downloadAnonCert();
} else {
mProgressBar.incrementProgressBy(1);
hideProgressBar();
setResult(RESULT_OK);
showProviderDetails();
}
} else if(resultCode == ProviderAPI.PROVIDER_NOK) {
hideProgressBar();
preferences.edit().remove(Provider.KEY).apply();
setting_up_provider = false;
setResult(RESULT_CANCELED, mConfigState);
String reason_to_fail = resultData.getString(ProviderAPI.ERRORS);
showDownloadFailedDialog(reason_to_fail);
}
else if(resultCode == ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE) {
mProgressBar.incrementProgressBy(1);
hideProgressBar();
showProviderDetails();
setResult(RESULT_OK);
} else if(resultCode == ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE) {
hideProgressBar();
setResult(RESULT_CANCELED, mConfigState);
} else if(resultCode == AboutActivity.VIEWED) {
// Do nothing, right now
// I need this for CW to wait for the About activity to end before going back to Dashboard.
}
}
/**
* Callback method from {@link ProviderListFragment.Callbacks}
* indicating that the item with the given ID was selected.
*/
@Override
public void onItemSelected(String id) {
//TODO Code 2 pane view
selected_provider = getProvider(id);
onItemSelectedUi(selected_provider);
setUpProvider(selected_provider.providerMainUrl());
}
private void onItemSelectedUi(ProviderItem provider) {
startProgressBar();
int provider_index = getProviderIndex(provider.name());
provider_list_fragment.hideAllBut(provider_index);
}
@Override
public void onBackPressed() {
if(setting_up_provider) {
stopSettingUpProvider();
} else {
usualBackButton();
}
}
private void stopSettingUpProvider() {
ProviderAPI.stop();
mProgressBar.setVisibility(ProgressBar.GONE);
mProgressBar.setProgress(0);
progressbar_description.setVisibility(TextView.GONE);
preferences.edit().remove(Provider.KEY).apply();
setting_up_provider = false;
showAllProviders();
}
private void usualBackButton() {
try {
boolean is_provider_set_up = new JSONObject(preferences.getString(Provider.KEY, "no provider")) != null ? true : false;
boolean is_provider_set_up_truly = new JSONObject(preferences.getString(Provider.KEY, "no provider")).length() != 0 ? true : false;
if(!is_provider_set_up || !is_provider_set_up_truly) {
askDashboardToQuitApp();
} else {
setResult(RESULT_OK);
}
} catch (JSONException e) {
askDashboardToQuitApp();
super.onBackPressed();
e.printStackTrace();
}
super.onBackPressed();
}
private void askDashboardToQuitApp() {
Intent ask_quit = new Intent();
ask_quit.putExtra(Dashboard.ACTION_QUIT, Dashboard.ACTION_QUIT);
setResult(RESULT_CANCELED, ask_quit);
}
private ProviderItem getProvider(String name) {
for (ProviderItem provider : ProviderListContent.ITEMS) {
if(provider.name().equalsIgnoreCase(name)) {
return provider;
}
}
return null;
}
private void startProgressBar() {
mProgressBar.setVisibility(ProgressBar.VISIBLE);
progressbar_description.setVisibility(TextView.VISIBLE);
mProgressBar.setProgress(0);
mProgressBar.setMax(3);
int measured_height = listItemHeight();
mProgressBar.setTranslationY(measured_height);
progressbar_description.setTranslationY(measured_height + mProgressBar.getHeight());
}
private int getProviderIndex(String id) {
int index = 0;
for (ProviderItem provider : ProviderListContent.ITEMS) {
if(provider.name().equalsIgnoreCase(id)) {
break;
} else index++;
}
return index;
}
private int listItemHeight() {
ListView provider_list_view = (ListView)findViewById(android.R.id.list);
ListAdapter provider_list_adapter = provider_list_view.getAdapter();
View listItem = provider_list_adapter.getView(0, null, provider_list_view);
listItem.setLayoutParams(new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT));
WindowManager wm = (WindowManager) getApplicationContext()
.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
int screenWidth = display.getWidth(); // deprecated
int listViewWidth = screenWidth - 10 - 10;
int widthSpec = View.MeasureSpec.makeMeasureSpec(listViewWidth,
View.MeasureSpec.AT_MOST);
listItem.measure(widthSpec, 0);
return listItem.getMeasuredHeight();
}
private String getId(String provider_main_url) {
try {
URL provider_url = new URL(provider_main_url);
for (ProviderItem provider : ProviderListContent.ITEMS) {
URL aux_provider_url = new URL(provider.providerMainUrl());
if(isSameURL(provider_url, aux_provider_url)) {
return provider.name();
}
}
} catch (MalformedURLException e) {
e.printStackTrace();
}
return "";
}
/**
* Checks, whether 2 urls are pointing to the same location.
*
* @param url a url
* @param baseUrl an other url, that should be compared.
* @return true, if the urls point to the same host and port and use the
* same protocol, false otherwise.
*/
private boolean isSameURL(final URL url, final URL baseUrl) {
return url.getProtocol().equals(baseUrl.getProtocol()) &&
url.getHost().equals(baseUrl.getHost()) &&
url.getPort() == baseUrl.getPort();
}
/**
* Asks ProviderAPI to download an anonymous (anon) VPN certificate.
*/
private void downloadAnonCert() {
Intent provider_API_command = new Intent(this, ProviderAPI.class);
Bundle parameters = new Bundle();
parameters.putString(TYPE_OF_CERTIFICATE, ANON_CERTIFICATE);
provider_API_command.setAction(ProviderAPI.DOWNLOAD_CERTIFICATE);
provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters);
provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver);
startService(provider_API_command);
}
/**
* Open the new provider dialog
*/
public void addAndSelectNewProvider() {
FragmentTransaction fragment_transaction = fragment_manager.removePreviousFragment(NewProviderDialog.TAG);
DialogFragment newFragment = NewProviderDialog.newInstance();
newFragment.show(fragment_transaction, NewProviderDialog.TAG);
}
/**
* Open the new provider dialog with data
*/
public void addAndSelectNewProvider(String main_url) {
FragmentTransaction fragment_transaction = fragment_manager.removePreviousFragment(NewProviderDialog.TAG);
DialogFragment newFragment = NewProviderDialog.newInstance();
Bundle data = new Bundle();
data.putString(Provider.MAIN_URL, main_url);
newFragment.setArguments(data);
newFragment.show(fragment_transaction, NewProviderDialog.TAG);
}
/**
* Once selected a provider, this fragment offers the user to log in,
* use it anonymously (if possible)
* or cancel his/her election pressing the back button.
* @param reason_to_fail
*/
public void showDownloadFailedDialog(String reason_to_fail) {
FragmentTransaction fragment_transaction = fragment_manager.removePreviousFragment(DownloadFailedDialog.TAG);
DialogFragment newFragment = DownloadFailedDialog.newInstance(reason_to_fail);
newFragment.show(fragment_transaction, DownloadFailedDialog.TAG);
}
/**
* Once selected a provider, this fragment offers the user to log in,
* use it anonymously (if possible)
* or cancel his/her election pressing the back button.
* @param view
*/
private void showProviderDetails() {
if(setting_up_provider) {
FragmentTransaction fragment_transaction = fragment_manager.removePreviousFragment(ProviderDetailFragment.TAG);
DialogFragment newFragment = ProviderDetailFragment.newInstance();
newFragment.show(fragment_transaction, ProviderDetailFragment.TAG);
}
}
public void showAndSelectProvider(String provider_main_url) {
if(getId(provider_main_url).isEmpty())
showProvider(provider_main_url);
autoSelectProvider(provider_main_url);
}
private void showProvider(final String provider_main_url) {
String provider_name = provider_main_url.replaceFirst("http[s]?://", "").replaceFirst("\\/", "_");
ProviderItem added_provider = new ProviderItem(provider_name, provider_main_url);
provider_list_fragment.addItem(added_provider);
}
private void autoSelectProvider(String provider_main_url) {
onItemSelected(getId(provider_main_url));
}
/**
* Asks ProviderAPI to download a new provider.json file
* @param provider_name
* @param provider_main_url
*/
public void setUpProvider(String provider_main_url) {
Intent provider_API_command = new Intent(this, ProviderAPI.class);
Bundle parameters = new Bundle();
parameters.putString(Provider.MAIN_URL, provider_main_url);
provider_API_command.setAction(ProviderAPI.SET_UP_PROVIDER);
provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters);
provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver);
startService(provider_API_command);
setting_up_provider = true;
}
public void retrySetUpProvider() {
cancelSettingUpProvider();
if(!ProviderAPI.caCertDownloaded()) {
addAndSelectNewProvider(ProviderAPI.lastProviderMainUrl());
} else {
Intent provider_API_command = new Intent(this, ProviderAPI.class);
provider_API_command.setAction(ProviderAPI.SET_UP_PROVIDER);
provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver);
startService(provider_API_command);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.configuration_wizard_activity, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item){
switch (item.getItemId()){
case R.id.about_leap:
startActivityForResult(new Intent(this, AboutActivity.class), 0);
return true;
case R.id.new_provider:
addAndSelectNewProvider();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public void showAllProviders() {
provider_list_fragment = (ProviderListFragment) fragment_manager.findFragmentByTag(ProviderListFragment.TAG);
if(provider_list_fragment != null)
provider_list_fragment.unhideAll();
}
public void cancelSettingUpProvider() {
provider_list_fragment = (ProviderListFragment) fragment_manager.findFragmentByTag(ProviderListFragment.TAG);
if(provider_list_fragment != null) {
provider_list_fragment.removeLastItem();
}
preferences.edit().remove(Provider.KEY).remove(Constants.ALLOWED_ANON).remove(Constants.KEY).apply();
}
@Override
public void login() {
Intent ask_login = new Intent();
ask_login.putExtra(LogInDialog.TAG, LogInDialog.TAG);
setResult(RESULT_OK, ask_login);
setting_up_provider = false;
finish();
}
@Override
public void use_anonymously() {
setResult(RESULT_OK);
setting_up_provider = false;
finish();
}
public class ProviderAPIBroadcastReceiver_Update extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
int update = intent.getIntExtra(ProviderAPI.CURRENT_PROGRESS, 0);
mProgressBar.setProgress(update);
}
}
}