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authorParménides GV <parmegv@sdf.org>2015-06-10 19:45:06 +0200
committerParménides GV <parmegv@sdf.org>2015-06-10 19:45:06 +0200
commit569defe3213fc4f9d6a61a98e35c794b2fe0d311 (patch)
tree1e9b01cbd5878bc5d3a905f6239916dc0185ccb9 /app/src/insecure/java/se/leap
parent0e8fccf9ba9e509f1aaa65e58bc2cfd4754f90f4 (diff)
parent46638f7101e752be76bcafe061f4b5e68ee88088 (diff)
Merge branch 'develop' into release-0.9.4
Diffstat (limited to 'app/src/insecure/java/se/leap')
-rw-r--r--app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java463
-rw-r--r--app/src/insecure/java/se/leap/bitmaskclient/NewProviderDialog.java117
-rw-r--r--app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java1012
-rw-r--r--app/src/insecure/java/se/leap/bitmaskclient/ProviderDetailFragment.java111
-rw-r--r--app/src/insecure/java/se/leap/bitmaskclient/ProviderListContent.java82
5 files changed, 1785 insertions, 0 deletions
diff --git a/app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java b/app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java
new file mode 100644
index 00000000..2505d37b
--- /dev/null
+++ b/app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java
@@ -0,0 +1,463 @@
+/**
+ * Copyright (c) 2013 LEAP Encryption Access Project and contributors
+ *
+ * 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 com.pedrogomez.renderers.*;
+
+import java.net.*;
+import java.util.*;
+
+import butterknife.*;
+
+import org.jetbrains.annotations.*;
+import org.json.*;
+
+import javax.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.eip.*;
+import se.leap.bitmaskclient.userstatus.SessionDialog;
+
+/**
+ * Activity that builds and shows the list of known available providers.
+ * <p/>
+ * It also allows the user to enter custom providers with a button.
+ *
+ * @author parmegv
+ */
+public class ConfigurationWizard extends Activity
+ implements 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
+ ProviderListAdapter adapter;
+
+ private ProviderManager provider_manager;
+ private Intent mConfigState = new Intent();
+ private Provider selected_provider;
+
+ final public static String TAG = ConfigurationWizard.class.getSimpleName();
+
+ final protected static String PROVIDER_SET = "PROVIDER SET";
+ final protected static String SERVICES_RETRIEVED = "SERVICES RETRIEVED";
+
+ 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<Renderer<Provider>> prototypes = new ArrayList<>();
+ prototypes.add(new ProviderRenderer(this));
+ ProviderRendererBuilder providerRendererBuilder = new ProviderRendererBuilder(prototypes);
+ adapter = new ProviderListAdapter(getLayoutInflater(), providerRendererBuilder, provider_manager);
+ provider_list_view.setAdapter(adapter);
+ }
+
+ @Override
+ protected void onSaveInstanceState(@NotNull Bundle outState) {
+ if (mProgressBar != null)
+ outState.putInt(PROGRESSBAR_NUMBER, mProgressBar.getProgress());
+ if (progressbar_description != null)
+ outState.putString(PROGRESSBAR_TEXT, progressbar_description.getText().toString());
+ outState.putParcelable(Provider.KEY, selected_provider);
+ 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 = ProviderManager.getInstance(getAssets(), getExternalFilesDir(null));
+
+ setUpInitialUI();
+
+ initProviderList();
+
+ if (savedInstanceState != null)
+ restoreState(savedInstanceState);
+ setUpProviderAPIResultReceiver();
+ }
+
+ private void restoreState(Bundle savedInstanceState) {
+ progressbar_text = savedInstanceState.getString(PROGRESSBAR_TEXT, "");
+ provider_name = savedInstanceState.getString(Provider.NAME, "");
+ selected_provider = savedInstanceState.getParcelable(Provider.KEY);
+ progress = savedInstanceState.getInt(PROGRESSBAR_NUMBER, -1);
+
+ if (fragment_manager.findFragmentByTag(ProviderDetailFragment.TAG) == null && setting_up_provider) {
+ onItemSelectedUi();
+ if (progress > 0)
+ mProgressBar.setProgress(progress);
+ }
+
+ }
+
+ @Override
+ protected void onPostResume() {
+ super.onPostResume();
+ if (!progressbar_text.isEmpty() && !provider_name.isEmpty() && progress != -1) {
+ progressbar_description.setText(progressbar_text);
+ 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);
+ }
+
+ @Override
+ protected void onDestroy() {
+ super.onDestroy();
+ if (providerAPI_broadcast_receiver_update != null)
+ unregisterReceiver(providerAPI_broadcast_receiver_update);
+ }
+
+ private void setUpProviderAPIResultReceiver() {
+ providerAPI_result_receiver = new ProviderAPIResultReceiver(new Handler(), 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);
+
+ try {
+ String provider_json_string = preferences.getString(Provider.KEY, "");
+ if (!provider_json_string.isEmpty())
+ selected_provider.define(new JSONObject(provider_json_string));
+ } catch (JSONException e) {
+ e.printStackTrace();
+ }
+
+ if (preferences.getBoolean(Constants.ALLOWED_ANON, false)) {
+ mConfigState.putExtra(SERVICES_RETRIEVED, true);
+
+ downloadVpnCertificate();
+ } else {
+ mProgressBar.incrementProgressBy(1);
+ hideProgressBar();
+
+ showProviderDetails();
+ }
+ } else if (resultCode == ProviderAPI.PROVIDER_NOK) {
+ hideProgressBar();
+ preferences.edit().remove(Provider.KEY).apply();
+ setting_up_provider = false;
+
+ String reason_to_fail = resultData.getString(ProviderAPI.ERRORS);
+ showDownloadFailedDialog(reason_to_fail);
+ } else if (resultCode == ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE) {
+ mProgressBar.incrementProgressBy(1);
+ hideProgressBar();
+
+ showProviderDetails();
+ } else if (resultCode == ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE) {
+ hideProgressBar();
+ cancelSettingUpProvider();
+ Toast.makeText(getApplicationContext(), R.string.provider_problem, Toast.LENGTH_LONG).show();
+ } 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.
+ }
+ }
+
+ @OnItemClick(R.id.provider_list)
+ void onItemSelected(int position) {
+ //TODO Code 2 pane view
+ selected_provider = adapter.getItem(position);
+ onItemSelectedLogic();
+ onItemSelectedUi();
+ }
+
+ private void onItemSelectedLogic() {
+ boolean danger_on = preferences.getBoolean(ProviderItem.DANGER_ON, true);
+ setUpProvider(danger_on);
+ }
+
+ private void onItemSelectedUi() {
+ startProgressBar();
+ adapter.hideAllBut(adapter.indexOf(selected_provider));
+ }
+
+ @Override
+ public void onBackPressed() {
+ if (setting_up_provider) {
+ stopSettingUpProvider();
+ } else {
+ askDashboardToQuitApp();
+ super.onBackPressed();
+ }
+ }
+
+ private void stopSettingUpProvider() {
+ ProviderAPI.stop();
+ mProgressBar.setVisibility(ProgressBar.GONE);
+ mProgressBar.setProgress(0);
+ progressbar_description.setVisibility(TextView.GONE);
+
+ cancelSettingUpProvider();
+ }
+
+ public void cancelSettingUpProvider() {
+ adapter.showAllProviders();
+ setting_up_provider = false;
+ preferences.edit().remove(Provider.KEY).remove(ProviderItem.DANGER_ON).remove(Constants.ALLOWED_ANON).remove(Constants.KEY).commit();
+ }
+
+ private void askDashboardToQuitApp() {
+ Intent ask_quit = new Intent();
+ ask_quit.putExtra(Dashboard.ACTION_QUIT, Dashboard.ACTION_QUIT);
+ setResult(RESULT_CANCELED, ask_quit);
+ }
+
+ 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 listItemHeight() {
+ View listItem = 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();
+ }
+
+ /**
+ * Asks ProviderAPI to download an anonymous (anon) VPN certificate.
+ */
+ private void downloadVpnCertificate() {
+ Intent provider_API_command = new Intent(this, ProviderAPI.class);
+
+ provider_API_command.setAction(ProviderAPI.DOWNLOAD_CERTIFICATE);
+ 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);
+ new NewProviderDialog().show(fragment_transaction, NewProviderDialog.TAG);
+ }
+
+ /**
+ * Open the new provider dialog with data
+ */
+ public void addAndSelectNewProvider(String main_url, boolean danger_on) {
+ FragmentTransaction fragment_transaction = fragment_manager.removePreviousFragment(NewProviderDialog.TAG);
+
+ DialogFragment newFragment = new NewProviderDialog();
+ Bundle data = new Bundle();
+ data.putString(Provider.MAIN_URL, main_url);
+ data.putBoolean(ProviderItem.DANGER_ON, danger_on);
+ 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.
+ */
+ 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);
+ setting_up_provider = false;
+ }
+ }
+
+ public void showAndSelectProvider(String provider_main_url, boolean danger_on) {
+ try {
+ selected_provider = new Provider(new URL((provider_main_url)));
+ adapter.add(selected_provider);
+ adapter.saveProviders();
+ autoSelectProvider(selected_provider, danger_on);
+ } catch (MalformedURLException e) {
+ e.printStackTrace();
+ }
+ }
+
+ private void autoSelectProvider(Provider provider, boolean danger_on) {
+ preferences.edit().putBoolean(ProviderItem.DANGER_ON, danger_on).apply();
+ selected_provider = provider;
+ onItemSelectedLogic();
+ onItemSelectedUi();
+ }
+
+ /**
+ * Asks ProviderAPI to download a new provider.json file
+ *
+ * @param danger_on tells if HTTPS client should bypass certificate errors
+ */
+ public void setUpProvider(boolean danger_on) {
+ Intent provider_API_command = new Intent(this, ProviderAPI.class);
+ Bundle parameters = new Bundle();
+ parameters.putString(Provider.MAIN_URL, selected_provider.mainUrl().getUrl().toString());
+ parameters.putBoolean(ProviderItem.DANGER_ON, danger_on);
+ parameters.putString(Provider.CA_CERT_FINGERPRINT, selected_provider.certificatePin());
+
+ 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(), ProviderAPI.lastDangerOn());
+ } 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() {
+ adapter.showAllProviders();
+ }
+
+ @Override
+ public void login() {
+ Intent ask_login = new Intent();
+ ask_login.putExtra(SessionDialog.TAG, SessionDialog.TAG);
+ ask_login.putExtra(Provider.KEY, selected_provider);
+ setResult(RESULT_OK, ask_login);
+ setting_up_provider = false;
+ finish();
+ }
+
+ @Override
+ public void use_anonymously() {
+ Intent pass_provider = new Intent();
+ pass_provider.putExtra(Provider.KEY, selected_provider);
+ setResult(RESULT_OK, pass_provider);
+ 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);
+ }
+ }
+}
diff --git a/app/src/insecure/java/se/leap/bitmaskclient/NewProviderDialog.java b/app/src/insecure/java/se/leap/bitmaskclient/NewProviderDialog.java
new file mode 100644
index 00000000..c1426708
--- /dev/null
+++ b/app/src/insecure/java/se/leap/bitmaskclient/NewProviderDialog.java
@@ -0,0 +1,117 @@
+/**
+ * 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 butterknife.*;
+import se.leap.bitmaskclient.ProviderListContent.ProviderItem;
+
+import android.app.*;
+import android.content.*;
+import android.os.*;
+import android.view.*;
+import android.widget.*;
+
+/**
+ * Implements the new custom provider dialog.
+ *
+ * @author parmegv
+ */
+public class NewProviderDialog extends DialogFragment {
+
+ final public static String TAG = "newProviderDialog";
+
+ @InjectView(R.id.new_provider_url)
+ EditText url_input_field;
+ @InjectView(R.id.danger_checkbox)
+ CheckBox danger_checkbox;
+
+ public interface NewProviderDialogInterface {
+ public void showAndSelectProvider(String url_provider, boolean danger_on);
+ }
+
+ NewProviderDialogInterface interface_with_ConfigurationWizard;
+
+ @Override
+ public void onAttach(Activity activity) {
+ super.onAttach(activity);
+ try {
+ interface_with_ConfigurationWizard = (NewProviderDialogInterface) activity;
+ } catch (ClassCastException e) {
+ throw new ClassCastException(activity.toString()
+ + " must implement NoticeDialogListener");
+ }
+ }
+
+ @Override
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+ LayoutInflater inflater = getActivity().getLayoutInflater();
+ View view = inflater.inflate(R.layout.new_provider_dialog, null);
+ ButterKnife.inject(this, view);
+ Bundle arguments = getArguments();
+ if (arguments != null) {
+ url_input_field.setText(arguments.getString(Provider.MAIN_URL, ""));
+ danger_checkbox.setActivated(arguments.getBoolean(ProviderItem.DANGER_ON, false));
+ }
+
+ builder.setView(view)
+ .setMessage(R.string.introduce_new_provider)
+ .setPositiveButton(R.string.save, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ saveProvider();
+ }
+ })
+ .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ dialog.cancel();
+ }
+ });
+ // Create the AlertDialog object and return it
+ return builder.create();
+ }
+
+ private void saveProvider() {
+ String entered_url = url_input_field.getText().toString().trim();
+ if (!entered_url.startsWith("https://")) {
+ if (entered_url.startsWith("http://")) {
+ entered_url = entered_url.substring("http://".length());
+ }
+ entered_url = "https://".concat(entered_url);
+ }
+ boolean danger_on = danger_checkbox.isChecked();
+ if (validURL(entered_url)) {
+ interface_with_ConfigurationWizard.showAndSelectProvider(entered_url, danger_on);
+ Toast.makeText(getActivity().getApplicationContext(), R.string.valid_url_entered, Toast.LENGTH_LONG).show();
+ } else {
+ url_input_field.setText("");
+ danger_checkbox.setChecked(false);
+ Toast.makeText(getActivity().getApplicationContext(), R.string.not_valid_url_entered, Toast.LENGTH_LONG).show();
+ ;
+ }
+ }
+
+ /**
+ * Checks if the entered url is valid or not.
+ *
+ * @param entered_url
+ * @return true if it's not empty nor contains only the protocol.
+ */
+ boolean validURL(String entered_url) {
+ //return !entered_url.isEmpty() && entered_url.matches("http[s]?://.+") && !entered_url.replaceFirst("http[s]?://", "").isEmpty();
+ return android.util.Patterns.WEB_URL.matcher(entered_url).matches();
+ }
+}
diff --git a/app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java b/app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java
new file mode 100644
index 00000000..2d7e13fe
--- /dev/null
+++ b/app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java
@@ -0,0 +1,1012 @@
+/**
+ * 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.content.res.*;
+import android.os.*;
+import android.util.*;
+
+import org.apache.http.client.*;
+import org.json.*;
+import org.thoughtcrime.ssl.pinning.util.*;
+
+import java.io.*;
+import java.math.*;
+import java.net.*;
+import java.security.*;
+import java.security.cert.*;
+import java.security.interfaces.*;
+import java.util.*;
+
+import javax.net.ssl.*;
+
+import se.leap.bitmaskclient.ProviderListContent.*;
+import se.leap.bitmaskclient.eip.*;
+import se.leap.bitmaskclient.userstatus.SessionDialog;
+import se.leap.bitmaskclient.userstatus.User;
+import se.leap.bitmaskclient.userstatus.UserStatus;
+
+/**
+ * Implements HTTP api methods used to manage communications with the provider server.
+ * <p/>
+ * It's an IntentService because it downloads data from the Internet, so it operates in the background.
+ *
+ * @author parmegv
+ * @author MeanderingCode
+ */
+public class ProviderAPI extends IntentService {
+
+ final public static String
+ TAG = ProviderAPI.class.getSimpleName(),
+ SET_UP_PROVIDER = "setUpProvider",
+ DOWNLOAD_NEW_PROVIDER_DOTJSON = "downloadNewProviderDotJSON",
+ SIGN_UP = "srpRegister",
+ LOG_IN = "srpAuth",
+ LOG_OUT = "logOut",
+ DOWNLOAD_CERTIFICATE = "downloadUserAuthedCertificate",
+ PARAMETERS = "parameters",
+ RESULT_KEY = "result",
+ RECEIVER_KEY = "receiver",
+ ERRORS = "errors",
+ UPDATE_PROGRESSBAR = "update_progressbar",
+ CURRENT_PROGRESS = "current_progress",
+ DOWNLOAD_EIP_SERVICE = TAG + ".DOWNLOAD_EIP_SERVICE";
+
+ final public static int
+ SUCCESSFUL_LOGIN = 3,
+ FAILED_LOGIN = 4,
+ SUCCESSFUL_SIGNUP = 5,
+ FAILED_SIGNUP = 6,
+ SUCCESSFUL_LOGOUT = 7,
+ LOGOUT_FAILED = 8,
+ CORRECTLY_DOWNLOADED_CERTIFICATE = 9,
+ INCORRECTLY_DOWNLOADED_CERTIFICATE = 10,
+ PROVIDER_OK = 11,
+ PROVIDER_NOK = 12,
+ CORRECTLY_DOWNLOADED_EIP_SERVICE = 13,
+ INCORRECTLY_DOWNLOADED_EIP_SERVICE = 14;
+
+ private static boolean
+ CA_CERT_DOWNLOADED = false,
+ PROVIDER_JSON_DOWNLOADED = false,
+ EIP_SERVICE_JSON_DOWNLOADED = false;
+
+ private static String last_provider_main_url;
+ private static boolean last_danger_on = false;
+ private static boolean go_ahead = true;
+ private static SharedPreferences preferences;
+ private static String provider_api_url;
+ private static String provider_ca_cert_fingerprint;
+ private Resources resources;
+
+ public static void stop() {
+ go_ahead = false;
+ }
+
+ public ProviderAPI() {
+ super(TAG);
+ }
+
+ @Override
+ public void onCreate() {
+ super.onCreate();
+
+
+ preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE);
+ resources = getResources();
+ CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER));
+ }
+
+ public static String lastProviderMainUrl() {
+ return last_provider_main_url;
+ }
+
+ public static boolean lastDangerOn() {
+ return last_danger_on;
+ }
+
+ private String formatErrorMessage(final int toast_string_id) {
+ return "{ \"" + ERRORS + "\" : \"" + getResources().getString(toast_string_id) + "\" }";
+ }
+
+ @Override
+ protected void onHandleIntent(Intent command) {
+ final ResultReceiver receiver = command.getParcelableExtra(RECEIVER_KEY);
+ String action = command.getAction();
+ Bundle parameters = command.getBundleExtra(PARAMETERS);
+ if (provider_api_url == null && preferences.contains(Provider.KEY)) {
+ try {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, "no provider"));
+ provider_api_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION);
+ go_ahead = true;
+ } catch (JSONException e) {
+ go_ahead = false;
+ }
+ }
+
+ if (action.equalsIgnoreCase(SET_UP_PROVIDER)) {
+ Bundle result = setUpProvider(parameters);
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(PROVIDER_OK, result);
+ } else {
+ receiver.send(PROVIDER_NOK, result);
+ }
+ } else if (action.equalsIgnoreCase(SIGN_UP)) {
+ UserStatus.updateStatus(UserStatus.SessionStatus.SIGNING_UP, resources);
+ Bundle result = tryToRegister(parameters);
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(SUCCESSFUL_SIGNUP, result);
+ } else {
+ receiver.send(FAILED_SIGNUP, result);
+ }
+ } else if (action.equalsIgnoreCase(LOG_IN)) {
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_IN, resources);
+ Bundle result = tryToAuthenticate(parameters);
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(SUCCESSFUL_LOGIN, result);
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_IN, resources);
+ } else {
+ receiver.send(FAILED_LOGIN, result);
+ UserStatus.updateStatus(UserStatus.SessionStatus.NOT_LOGGED_IN, resources);
+ }
+ } else if (action.equalsIgnoreCase(LOG_OUT)) {
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_OUT, resources);
+ if (logOut()) {
+ receiver.send(SUCCESSFUL_LOGOUT, Bundle.EMPTY);
+ android.util.Log.d(TAG, "Logged out, notifying user status");
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_OUT, resources);
+ } else {
+ receiver.send(LOGOUT_FAILED, Bundle.EMPTY);
+ UserStatus.updateStatus(UserStatus.SessionStatus.DIDNT_LOG_OUT, resources);
+ }
+ } else if (action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)) {
+ if (updateVpnCertificate()) {
+ receiver.send(CORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
+ } else {
+ receiver.send(INCORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
+ }
+ } else if (action.equalsIgnoreCase(DOWNLOAD_EIP_SERVICE)) {
+ Bundle result = getAndSetEipServiceJson();
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(CORRECTLY_DOWNLOADED_EIP_SERVICE, result);
+ } else {
+ receiver.send(INCORRECTLY_DOWNLOADED_EIP_SERVICE, result);
+ }
+ }
+ }
+
+ private Bundle tryToRegister(Bundle task) {
+ Bundle result = new Bundle();
+ int progress = 0;
+
+ String username = User.userName();
+ String password = task.getString(SessionDialog.PASSWORD);
+
+ if (validUserLoginData(username, password)) {
+ result = register(username, password);
+ broadcastProgress(progress++);
+ } else {
+ if (!wellFormedPassword(password)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(SessionDialog.USERNAME, username);
+ result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
+ }
+ if (!validUsername(username)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
+ }
+ }
+
+ return result;
+ }
+
+ private Bundle register(String username, String password) {
+ LeapSRPSession client = new LeapSRPSession(username, password);
+ byte[] salt = client.calculateNewSalt();
+
+ BigInteger password_verifier = client.calculateV(username, password, salt);
+
+ JSONObject api_result = sendNewUserDataToSRPServer(provider_api_url, username, new BigInteger(1, salt).toString(16), password_verifier.toString(16));
+
+ Bundle result = new Bundle();
+ if (api_result.has(ERRORS))
+ result = authFailedNotification(api_result, username);
+ else {
+ result.putString(SessionDialog.USERNAME, username);
+ result.putString(SessionDialog.PASSWORD, password);
+ result.putBoolean(RESULT_KEY, true);
+ }
+
+ return result;
+ }
+
+ /**
+ * Starts the authentication process using SRP protocol.
+ *
+ * @param task containing: username, password and api url.
+ * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if authentication was successful.
+ */
+ private Bundle tryToAuthenticate(Bundle task) {
+ Bundle result = new Bundle();
+ int progress = 0;
+
+ String username = User.userName();
+ String password = task.getString(SessionDialog.PASSWORD);
+ if (validUserLoginData(username, password)) {
+ result = authenticate(username, password);
+ broadcastProgress(progress++);
+ } else {
+ if (!wellFormedPassword(password)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(SessionDialog.USERNAME, username);
+ result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
+ }
+ if (!validUsername(username)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
+ }
+ }
+
+ return result;
+ }
+
+
+ private Bundle authenticate(String username, String password) {
+ Bundle result = new Bundle();
+
+ LeapSRPSession client = new LeapSRPSession(username, password);
+ byte[] A = client.exponential();
+
+ JSONObject step_result = sendAToSRPServer(provider_api_url, username, new BigInteger(1, A).toString(16));
+ try {
+ String salt = step_result.getString(LeapSRPSession.SALT);
+ byte[] Bbytes = new BigInteger(step_result.getString("B"), 16).toByteArray();
+ byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes);
+ if (M1 != null) {
+ step_result = sendM1ToSRPServer(provider_api_url, username, M1);
+ setTokenIfAvailable(step_result);
+ byte[] M2 = new BigInteger(step_result.getString(LeapSRPSession.M2), 16).toByteArray();
+ if (client.verify(M2)) {
+ result.putBoolean(RESULT_KEY, true);
+ } else {
+ authFailedNotification(step_result, username);
+ }
+ } else {
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(SessionDialog.USERNAME, username);
+ result.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message));
+ }
+ } catch (JSONException e) {
+ result = authFailedNotification(step_result, username);
+ e.printStackTrace();
+ }
+
+ return result;
+ }
+
+ private boolean setTokenIfAvailable(JSONObject authentication_step_result) {
+ try {
+ LeapSRPSession.setToken(authentication_step_result.getString(LeapSRPSession.TOKEN));
+ CookieHandler.setDefault(null); // we don't need cookies anymore
+ } catch (JSONException e) { //
+ return false;
+ }
+ return true;
+ }
+
+ private Bundle authFailedNotification(JSONObject result, String username) {
+ Bundle user_notification_bundle = new Bundle();
+ try {
+ JSONObject error_message = result.getJSONObject(ERRORS);
+ String error_type = error_message.keys().next().toString();
+ String message = error_message.get(error_type).toString();
+ user_notification_bundle.putString(getResources().getString(R.string.user_message), message);
+ } catch (JSONException e) {
+ }
+
+ if (!username.isEmpty())
+ user_notification_bundle.putString(SessionDialog.USERNAME, username);
+ user_notification_bundle.putBoolean(RESULT_KEY, false);
+
+ return user_notification_bundle;
+ }
+
+ /**
+ * Sets up an intent with the progress value passed as a parameter
+ * and sends it as a broadcast.
+ *
+ * @param progress
+ */
+ private void broadcastProgress(int progress) {
+ Intent intentUpdate = new Intent();
+ intentUpdate.setAction(UPDATE_PROGRESSBAR);
+ intentUpdate.addCategory(Intent.CATEGORY_DEFAULT);
+ intentUpdate.putExtra(CURRENT_PROGRESS, progress);
+ sendBroadcast(intentUpdate);
+ }
+
+ /**
+ * Validates parameters entered by the user to log in
+ *
+ * @param username
+ * @param password
+ * @return true if both parameters are present and the entered password length is greater or equal to eight (8).
+ */
+ private boolean validUserLoginData(String username, String password) {
+ return validUsername(username) && wellFormedPassword(password);
+ }
+
+ private boolean validUsername(String username) {
+ return username != null && !username.isEmpty();
+ }
+
+ /**
+ * Validates a password
+ *
+ * @param password
+ * @return true if the entered password length is greater or equal to eight (8).
+ */
+ private boolean wellFormedPassword(String password) {
+ return password != null && password.length() >= 8;
+ }
+
+ /**
+ * Sends an HTTP POST request to the authentication server with the SRP Parameter A.
+ *
+ * @param server_url
+ * @param username
+ * @param clientA First SRP parameter sent
+ * @return response from authentication server
+ */
+ private JSONObject sendAToSRPServer(String server_url, String username, String clientA) {
+ Map<String, String> parameters = new HashMap<String, String>();
+ parameters.put("login", username);
+ parameters.put("A", clientA);
+ return sendToServer(server_url + "/sessions.json", "POST", parameters);
+ }
+
+ /**
+ * Sends an HTTP PUT request to the authentication server with the SRP Parameter M1 (or simply M).
+ *
+ * @param server_url
+ * @param username
+ * @param m1 Second SRP parameter sent
+ * @return response from authentication server
+ */
+ private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1) {
+ Map<String, String> parameters = new HashMap<String, String>();
+ parameters.put("client_auth", new BigInteger(1, ConfigHelper.trim(m1)).toString(16));
+
+ return sendToServer(server_url + "/sessions/" + username + ".json", "PUT", parameters);
+ }
+
+ /**
+ * Sends an HTTP POST request to the api server to register a new user.
+ *
+ * @param server_url
+ * @param username
+ * @param salt
+ * @param password_verifier
+ * @return response from authentication server
+ */
+ private JSONObject sendNewUserDataToSRPServer(String server_url, String username, String salt, String password_verifier) {
+ Map<String, String> parameters = new HashMap<String, String>();
+ parameters.put("user[login]", username);
+ parameters.put("user[password_salt]", salt);
+ parameters.put("user[password_verifier]", password_verifier);
+ return sendToServer(server_url + "/users.json", "POST", parameters);
+ }
+
+ /**
+ * Executes an HTTP request expecting a JSON response.
+ *
+ * @param url
+ * @param request_method
+ * @param parameters
+ * @return response from authentication server
+ */
+ private JSONObject sendToServer(String url, String request_method, Map<String, String> parameters) {
+ JSONObject json_response;
+ HttpsURLConnection urlConnection = null;
+ try {
+ InputStream is = null;
+ urlConnection = (HttpsURLConnection) new URL(url).openConnection();
+ urlConnection.setRequestMethod(request_method);
+ String locale = Locale.getDefault().getLanguage() + Locale.getDefault().getCountry();
+ urlConnection.setRequestProperty("Accept-Language", locale);
+ urlConnection.setChunkedStreamingMode(0);
+ urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
+
+ DataOutputStream writer = new DataOutputStream(urlConnection.getOutputStream());
+ writer.writeBytes(formatHttpParameters(parameters));
+ writer.close();
+
+ is = urlConnection.getInputStream();
+ String plain_response = new Scanner(is).useDelimiter("\\A").next();
+ json_response = new JSONObject(plain_response);
+ } catch (ClientProtocolException e) {
+ json_response = getErrorMessage(urlConnection);
+ e.printStackTrace();
+ } catch (IOException e) {
+ json_response = getErrorMessage(urlConnection);
+ e.printStackTrace();
+ } catch (JSONException e) {
+ json_response = getErrorMessage(urlConnection);
+ e.printStackTrace();
+ } catch (NoSuchAlgorithmException e) {
+ json_response = getErrorMessage(urlConnection);
+ e.printStackTrace();
+ } catch (KeyManagementException e) {
+ json_response = getErrorMessage(urlConnection);
+ e.printStackTrace();
+ } catch (KeyStoreException e) {
+ json_response = getErrorMessage(urlConnection);
+ e.printStackTrace();
+ } catch (CertificateException e) {
+ json_response = getErrorMessage(urlConnection);
+ e.printStackTrace();
+ }
+
+ return json_response;
+ }
+
+ private JSONObject getErrorMessage(HttpsURLConnection urlConnection) {
+ JSONObject error_message = new JSONObject();
+ if (urlConnection != null) {
+ InputStream error_stream = urlConnection.getErrorStream();
+ if (error_stream != null) {
+ String error_response = new Scanner(error_stream).useDelimiter("\\A").next();
+ try {
+ error_message = new JSONObject(error_response);
+ } catch (JSONException e) {
+ e.printStackTrace();
+ }
+ urlConnection.disconnect();
+ }
+ }
+ return error_message;
+ }
+
+ private String formatHttpParameters(Map<String, String> parameters) throws UnsupportedEncodingException {
+ StringBuilder result = new StringBuilder();
+ boolean first = true;
+
+ Iterator<String> parameter_iterator = parameters.keySet().iterator();
+ while (parameter_iterator.hasNext()) {
+ if (first)
+ first = false;
+ else
+ result.append("&&");
+
+ String key = parameter_iterator.next();
+ String value = parameters.get(key);
+
+ result.append(URLEncoder.encode(key, "UTF-8"));
+ result.append("=");
+ result.append(URLEncoder.encode(value, "UTF-8"));
+ }
+
+ return result.toString();
+ }
+
+
+ /**
+ * Downloads a provider.json from a given URL, adding a new provider using the given name.
+ *
+ * @param task containing a boolean meaning if the provider is custom or not, another boolean meaning if the user completely trusts this provider, the provider name and its provider.json url.
+ * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the update was successful.
+ */
+ private Bundle setUpProvider(Bundle task) {
+ int progress = 0;
+ Bundle current_download = new Bundle();
+
+ if (task != null) {
+ last_danger_on = task.containsKey(ProviderItem.DANGER_ON) && task.getBoolean(ProviderItem.DANGER_ON);
+ last_provider_main_url = task.containsKey(Provider.MAIN_URL) ?
+ task.getString(Provider.MAIN_URL) :
+ "";
+ provider_ca_cert_fingerprint = task.containsKey(Provider.CA_CERT_FINGERPRINT) ?
+ task.getString(Provider.CA_CERT_FINGERPRINT) :
+ "";
+ CA_CERT_DOWNLOADED = PROVIDER_JSON_DOWNLOADED = EIP_SERVICE_JSON_DOWNLOADED = false;
+ go_ahead = true;
+ }
+
+ if (!PROVIDER_JSON_DOWNLOADED)
+ current_download = getAndSetProviderJson(last_provider_main_url, last_danger_on, provider_ca_cert_fingerprint);
+ if (PROVIDER_JSON_DOWNLOADED || (current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY))) {
+ broadcastProgress(progress++);
+ PROVIDER_JSON_DOWNLOADED = true;
+ current_download = downloadCACert(last_danger_on);
+
+ if (CA_CERT_DOWNLOADED || (current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY))) {
+ broadcastProgress(progress++);
+ CA_CERT_DOWNLOADED = true;
+ current_download = getAndSetEipServiceJson();
+ if (current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY)) {
+ broadcastProgress(progress++);
+ EIP_SERVICE_JSON_DOWNLOADED = true;
+ }
+ }
+ }
+
+ return current_download;
+ }
+
+ private Bundle downloadCACert(boolean danger_on) {
+ Bundle result = new Bundle();
+ try {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+ String ca_cert_url = provider_json.getString(Provider.CA_CERT_URI);
+ String cert_string = downloadWithCommercialCA(ca_cert_url, danger_on);
+
+ if (validCertificate(cert_string) && go_ahead) {
+ preferences.edit().putString(Provider.CA_CERT, cert_string).commit();
+ result.putBoolean(RESULT_KEY, true);
+ } else {
+ String reason_to_fail = pickErrorMessage(cert_string);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
+ }
+ } catch (JSONException e) {
+ String reason_to_fail = formatErrorMessage(R.string.malformed_url);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
+ }
+
+ return result;
+ }
+
+ public static boolean caCertDownloaded() {
+ return CA_CERT_DOWNLOADED;
+ }
+
+ private boolean validCertificate(String cert_string) {
+ boolean result = false;
+ if (!ConfigHelper.checkErroneousDownload(cert_string)) {
+ X509Certificate certificate = ConfigHelper.parseX509CertificateFromString(cert_string);
+ try {
+ if (certificate != null) {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+ String fingerprint = provider_json.getString(Provider.CA_CERT_FINGERPRINT);
+ String encoding = fingerprint.split(":")[0];
+ String expected_fingerprint = fingerprint.split(":")[1];
+ String real_fingerprint = base64toHex(Base64.encodeToString(
+ MessageDigest.getInstance(encoding).digest(certificate.getEncoded()),
+ Base64.DEFAULT));
+
+ result = real_fingerprint.trim().equalsIgnoreCase(expected_fingerprint.trim());
+ } else
+ result = false;
+ } catch (JSONException e) {
+ result = false;
+ } catch (NoSuchAlgorithmException e) {
+ result = false;
+ } catch (CertificateEncodingException e) {
+ result = false;
+ }
+ }
+
+ return result;
+ }
+
+ private String base64toHex(String base64_input) {
+ byte[] byteArray = Base64.decode(base64_input, Base64.DEFAULT);
+ int readBytes = byteArray.length;
+ StringBuffer hexData = new StringBuffer();
+ int onebyte;
+ for (int i = 0; i < readBytes; i++) {
+ onebyte = ((0x000000ff & byteArray[i]) | 0xffffff00);
+ hexData.append(Integer.toHexString(onebyte).substring(6));
+ }
+ return hexData.toString();
+ }
+
+ private Bundle getAndSetProviderJson(String provider_main_url, boolean danger_on, String provider_ca_cert_fingerprint) {
+ Bundle result = new Bundle();
+
+ if (go_ahead) {
+ String provider_dot_json_string;
+ if(provider_ca_cert_fingerprint.isEmpty())
+ provider_dot_json_string = downloadWithCommercialCA(provider_main_url + "/provider.json", danger_on);
+ else
+ provider_dot_json_string = downloadWithCommercialCA(provider_main_url + "/provider.json", danger_on, provider_ca_cert_fingerprint);
+
+ try {
+ JSONObject provider_json = new JSONObject(provider_dot_json_string);
+ provider_api_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION);
+ String name = provider_json.getString(Provider.NAME);
+ //TODO setProviderName(name);
+
+ preferences.edit().putString(Provider.KEY, provider_json.toString()).commit();
+ preferences.edit().putBoolean(Constants.ALLOWED_ANON, provider_json.getJSONObject(Provider.SERVICE).getBoolean(Constants.ALLOWED_ANON)).commit();
+ preferences.edit().putBoolean(Constants.ALLOWED_REGISTERED, provider_json.getJSONObject(Provider.SERVICE).getBoolean(Constants.ALLOWED_REGISTERED)).commit();
+
+ result.putBoolean(RESULT_KEY, true);
+ } catch (JSONException e) {
+ //TODO Error message should be contained in that provider_dot_json_string
+ String reason_to_fail = pickErrorMessage(provider_dot_json_string);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
+ }
+ }
+ return result;
+ }
+
+ private Bundle getAndSetEipServiceJson() {
+ Bundle result = new Bundle();
+ String eip_service_json_string = "";
+ if (go_ahead) {
+ try {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+ String eip_service_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION) + "/" + EIP.SERVICE_API_PATH;
+ eip_service_json_string = downloadWithProviderCA(eip_service_url, true);
+ JSONObject eip_service_json = new JSONObject(eip_service_json_string);
+ eip_service_json.getInt(Provider.API_RETURN_SERIAL);
+
+ preferences.edit().putString(Constants.KEY, eip_service_json.toString()).commit();
+
+ result.putBoolean(RESULT_KEY, true);
+ } catch (JSONException e) {
+ String reason_to_fail = pickErrorMessage(eip_service_json_string);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Interprets the error message as a JSON object and extract the "errors" keyword pair.
+ * If the error message is not a JSON object, then it is returned untouched.
+ *
+ * @param string_json_error_message
+ * @return final error message
+ */
+ private String pickErrorMessage(String string_json_error_message) {
+ String error_message = "";
+ try {
+ JSONObject json_error_message = new JSONObject(string_json_error_message);
+ error_message = json_error_message.getString(ERRORS);
+ } catch (JSONException e) {
+ // TODO Auto-generated catch block
+ error_message = string_json_error_message;
+ }
+
+ return error_message;
+ }
+
+ private String downloadWithCommercialCA(String url_string, boolean danger_on, String ca_cert_fingerprint) {
+ String result = "";
+
+ int seconds_of_timeout = 2;
+ String[] pins = new String[] {ca_cert_fingerprint};
+ try {
+ URL url = new URL(url_string);
+ HttpsURLConnection connection = PinningHelper.getPinnedHttpsURLConnection(getApplicationContext(), pins, url);
+ connection.setConnectTimeout(seconds_of_timeout * 1000);
+ if (!LeapSRPSession.getToken().isEmpty())
+ connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token = " + LeapSRPSession.getToken());
+ result = new Scanner(connection.getInputStream()).useDelimiter("\\A").next();
+ } catch (IOException e) {
+ if(e instanceof SSLHandshakeException) {
+ result = danger_on ? downloadWithoutCA(url_string) :
+ formatErrorMessage(R.string.error_security_pinnedcertificate);
+ } else
+ result = formatErrorMessage(R.string.error_io_exception_user_message);
+ }
+
+ return result;
+ }
+
+ /**
+ * Tries to download the contents of the provided url using commercially validated CA certificate from chosen provider.
+ * <p/>
+ * If danger_on flag is true, SSL exceptions will be managed by futher methods that will try to use some bypass methods.
+ *
+ * @param string_url
+ * @param danger_on if the user completely trusts this provider
+ * @return
+ */
+ private String downloadWithCommercialCA(String string_url, boolean danger_on) {
+
+ String json_file_content = "";
+
+ URL provider_url = null;
+ int seconds_of_timeout = 2;
+ try {
+ provider_url = new URL(string_url);
+ URLConnection url_connection = provider_url.openConnection();
+
+ url_connection.setConnectTimeout(seconds_of_timeout * 1000);
+ if (!LeapSRPSession.getToken().isEmpty())
+ url_connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token = " + LeapSRPSession.getToken());
+ json_file_content = new Scanner(url_connection.getInputStream()).useDelimiter("\\A").next();
+ } catch (MalformedURLException e) {
+ json_file_content = formatErrorMessage(R.string.malformed_url);
+ } catch (SocketTimeoutException e) {
+ json_file_content = formatErrorMessage(R.string.server_unreachable_message);
+ } catch (SSLHandshakeException e) {
+ if (provider_url != null) {
+ json_file_content = downloadWithProviderCA(string_url, danger_on);
+ } else {
+ json_file_content = formatErrorMessage(R.string.certificate_error);
+ }
+ } catch (ConnectException e) {
+ json_file_content = formatErrorMessage(R.string.service_is_down_error);
+ } catch (FileNotFoundException e) {
+ json_file_content = formatErrorMessage(R.string.malformed_url);
+ } catch (Exception e) {
+ if (provider_url != null && danger_on) {
+ json_file_content = downloadWithProviderCA(string_url, danger_on);
+ }
+ }
+
+ return json_file_content;
+ }
+
+ /**
+ * Tries to download the contents of the provided url using not commercially validated CA certificate from chosen provider.
+ *
+ * @param url_string as a string
+ * @param danger_on true to download CA certificate in case it has not been downloaded.
+ * @return an empty string if it fails, the url content if not.
+ */
+ private String downloadWithProviderCA(String url_string, boolean danger_on) {
+ String json_file_content = "";
+
+ try {
+ URL url = new URL(url_string);
+ // Tell the URLConnection to use a SocketFactory from our SSLContext
+ HttpsURLConnection urlConnection =
+ (HttpsURLConnection) url.openConnection();
+ urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
+ if (!LeapSRPSession.getToken().isEmpty())
+ urlConnection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token=" + LeapSRPSession.getToken());
+ json_file_content = new Scanner(urlConnection.getInputStream()).useDelimiter("\\A").next();
+ } catch (CertificateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (UnknownHostException e) {
+ e.printStackTrace();
+ json_file_content = formatErrorMessage(R.string.server_unreachable_message);
+ } catch (IOException e) {
+ // The downloaded certificate doesn't validate our https connection.
+ if (danger_on) {
+ json_file_content = downloadWithoutCA(url_string);
+ } else {
+ json_file_content = formatErrorMessage(R.string.certificate_error);
+ }
+ } catch (KeyStoreException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (NoSuchAlgorithmException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (KeyManagementException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (NoSuchElementException e) {
+ e.printStackTrace();
+ json_file_content = formatErrorMessage(R.string.server_unreachable_message);
+ }
+ return json_file_content;
+ }
+
+ private javax.net.ssl.SSLSocketFactory getProviderSSLSocketFactory() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, KeyManagementException {
+ String provider_cert_string = preferences.getString(Provider.CA_CERT, "");
+
+ java.security.cert.Certificate provider_certificate = ConfigHelper.parseX509CertificateFromString(provider_cert_string);
+
+ // Create a KeyStore containing our trusted CAs
+ String keyStoreType = KeyStore.getDefaultType();
+ KeyStore keyStore = KeyStore.getInstance(keyStoreType);
+ keyStore.load(null, null);
+ keyStore.setCertificateEntry("provider_ca_certificate", provider_certificate);
+
+ // Create a TrustManager that trusts the CAs in our KeyStore
+ String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
+ TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
+ tmf.init(keyStore);
+
+ // Create an SSLContext that uses our TrustManager
+ SSLContext context = SSLContext.getInstance("TLS");
+ context.init(null, tmf.getTrustManagers(), null);
+
+ return context.getSocketFactory();
+ }
+
+ /**
+ * Downloads the string that's in the url with any certificate.
+ */
+ private String downloadWithoutCA(String url_string) {
+ String string = "";
+ try {
+
+ HostnameVerifier hostnameVerifier = new HostnameVerifier() {
+ @Override
+ public boolean verify(String hostname, SSLSession session) {
+ return true;
+ }
+ };
+
+ class DefaultTrustManager implements X509TrustManager {
+
+ @Override
+ public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
+ }
+
+ @Override
+ public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
+ }
+
+ @Override
+ public X509Certificate[] getAcceptedIssuers() {
+ return null;
+ }
+ }
+
+ SSLContext context = SSLContext.getInstance("TLS");
+ context.init(new KeyManager[0], new TrustManager[]{new DefaultTrustManager()}, new SecureRandom());
+
+ URL url = new URL(url_string);
+ HttpsURLConnection urlConnection = (HttpsURLConnection) url.openConnection();
+ urlConnection.setSSLSocketFactory(context.getSocketFactory());
+ urlConnection.setHostnameVerifier(hostnameVerifier);
+ string = new Scanner(urlConnection.getInputStream()).useDelimiter("\\A").next();
+ System.out.println("String ignoring certificate = " + string);
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ string = formatErrorMessage(R.string.malformed_url);
+ } catch (IOException e) {
+ // The downloaded certificate doesn't validate our https connection.
+ e.printStackTrace();
+ string = formatErrorMessage(R.string.certificate_error);
+ } catch (NoSuchAlgorithmException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (KeyManagementException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ return string;
+ }
+
+ /**
+ * Logs out from the api url retrieved from the task.
+ *
+ * @return true if there were no exceptions
+ */
+ private boolean logOut() {
+ String delete_url = provider_api_url + "/logout";
+
+ HttpsURLConnection urlConnection = null;
+ int responseCode = 0;
+ int progress = 0;
+ try {
+
+ urlConnection = (HttpsURLConnection) new URL(delete_url).openConnection();
+ urlConnection.setRequestMethod("DELETE");
+ urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
+
+ responseCode = urlConnection.getResponseCode();
+ broadcastProgress(progress++);
+ LeapSRPSession.setToken("");
+ } catch (ClientProtocolException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ } catch (IndexOutOfBoundsException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ try {
+ if (urlConnection != null) {
+ responseCode = urlConnection.getResponseCode();
+ if (responseCode == 401) {
+ broadcastProgress(progress++);
+ LeapSRPSession.setToken("");
+ return true;
+ }
+ }
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+
+ e.printStackTrace();
+ return false;
+ } catch (KeyManagementException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (KeyStoreException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (NoSuchAlgorithmException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ } catch (CertificateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ return true;
+ }
+
+ /**
+ * Downloads a new OpenVPN certificate, attaching authenticated cookie for authenticated certificate.
+ *
+ * @return true if certificate was downloaded correctly, false if provider.json or danger_on flag are not present in SharedPreferences, or if the certificate url could not be parsed as a URI, or if there was an SSL error.
+ */
+ private boolean updateVpnCertificate() {
+ try {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+
+ String provider_main_url = provider_json.getString(Provider.API_URL);
+ URL new_cert_string_url = new URL(provider_main_url + "/" + provider_json.getString(Provider.API_VERSION) + "/" + Constants.CERTIFICATE);
+
+ boolean danger_on = preferences.getBoolean(ProviderItem.DANGER_ON, false);
+
+
+ String cert_string = downloadWithProviderCA(new_cert_string_url.toString(), danger_on);
+
+ if (cert_string.isEmpty() || ConfigHelper.checkErroneousDownload(cert_string))
+ return false;
+ else
+ return loadCertificate(cert_string);
+ } catch (JSONException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ } catch (MalformedURLException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ private boolean loadCertificate(String cert_string) {
+ try {
+ // API returns concatenated cert & key. Split them for OpenVPN options
+ String certificateString = null, keyString = null;
+ String[] certAndKey = cert_string.split("(?<=-\n)");
+ for (int i = 0; i < certAndKey.length - 1; i++) {
+ if (certAndKey[i].contains("KEY")) {
+ keyString = certAndKey[i++] + certAndKey[i];
+ } else if (certAndKey[i].contains("CERTIFICATE")) {
+ certificateString = certAndKey[i++] + certAndKey[i];
+ }
+ }
+ RSAPrivateKey keyCert = ConfigHelper.parseRsaKeyFromString(keyString);
+ keyString = Base64.encodeToString(keyCert.getEncoded(), Base64.DEFAULT);
+ preferences.edit().putString(Constants.PRIVATE_KEY, "-----BEGIN RSA PRIVATE KEY-----\n" + keyString + "-----END RSA PRIVATE KEY-----").commit();
+
+ X509Certificate certCert = ConfigHelper.parseX509CertificateFromString(certificateString);
+ certificateString = Base64.encodeToString(certCert.getEncoded(), Base64.DEFAULT);
+
+ preferences.edit().putString(Constants.CERTIFICATE, "-----BEGIN CERTIFICATE-----\n" + certificateString + "-----END CERTIFICATE-----").commit();
+
+ return true;
+ } catch (CertificateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ }
+ }
+}
diff --git a/app/src/insecure/java/se/leap/bitmaskclient/ProviderDetailFragment.java b/app/src/insecure/java/se/leap/bitmaskclient/ProviderDetailFragment.java
new file mode 100644
index 00000000..6d9a16cd
--- /dev/null
+++ b/app/src/insecure/java/se/leap/bitmaskclient/ProviderDetailFragment.java
@@ -0,0 +1,111 @@
+package se.leap.bitmaskclient;
+
+import org.json.*;
+
+import se.leap.bitmaskclient.eip.*;
+import se.leap.bitmaskclient.ProviderListContent.ProviderItem;
+
+import android.app.*;
+import android.content.*;
+import android.os.*;
+import android.view.*;
+import android.widget.*;
+
+public class ProviderDetailFragment extends DialogFragment {
+
+ final public static String TAG = "providerDetailFragment";
+
+ @Override
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+ try {
+
+ LayoutInflater inflater = getActivity().getLayoutInflater();
+ View provider_detail_view = inflater.inflate(R.layout.provider_detail_fragment, null);
+
+ JSONObject provider_json = new JSONObject(getActivity().getSharedPreferences(Dashboard.SHARED_PREFERENCES, getActivity().MODE_PRIVATE).getString(Provider.KEY, ""));
+
+ final TextView domain = (TextView) provider_detail_view.findViewById(R.id.provider_detail_domain);
+ domain.setText(provider_json.getString(Provider.DOMAIN));
+ final TextView name = (TextView) provider_detail_view.findViewById(R.id.provider_detail_name);
+ name.setText(provider_json.getJSONObject(Provider.NAME).getString("en"));
+ final TextView description = (TextView) provider_detail_view.findViewById(R.id.provider_detail_description);
+ description.setText(provider_json.getJSONObject(Provider.DESCRIPTION).getString("en"));
+
+ builder.setView(provider_detail_view);
+ builder.setTitle(R.string.provider_details_fragment_title);
+
+ if (anon_allowed(provider_json)) {
+ builder.setPositiveButton(R.string.use_anonymously_button, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ interface_with_configuration_wizard.use_anonymously();
+ }
+ });
+ }
+
+ if (registration_allowed(provider_json)) {
+ builder.setNegativeButton(R.string.signup_or_login_button, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ interface_with_configuration_wizard.login();
+ }
+ });
+ }
+
+ return builder.create();
+ } catch (JSONException e) {
+ return null;
+ }
+ }
+
+ private boolean anon_allowed(JSONObject provider_json) {
+ try {
+ JSONObject service_description = provider_json.getJSONObject(Provider.SERVICE);
+ return service_description.has(Constants.ALLOWED_ANON) && service_description.getBoolean(Constants.ALLOWED_ANON);
+ } catch (JSONException e) {
+ return false;
+ }
+ }
+
+ private boolean registration_allowed(JSONObject provider_json) {
+ try {
+ JSONObject service_description = provider_json.getJSONObject(Provider.SERVICE);
+ return service_description.has(Provider.ALLOW_REGISTRATION) && service_description.getBoolean(Provider.ALLOW_REGISTRATION);
+ } catch (JSONException e) {
+ return false;
+ }
+ }
+
+ @Override
+ public void onCancel(DialogInterface dialog) {
+ super.onCancel(dialog);
+ SharedPreferences.Editor editor = getActivity().getSharedPreferences(Dashboard.SHARED_PREFERENCES, Activity.MODE_PRIVATE).edit();
+ editor.remove(Provider.KEY).remove(ProviderItem.DANGER_ON).remove(Constants.ALLOWED_ANON).remove(Constants.KEY).commit();
+ interface_with_configuration_wizard.showAllProviders();
+ }
+
+ public static DialogFragment newInstance() {
+ ProviderDetailFragment provider_detail_fragment = new ProviderDetailFragment();
+ return provider_detail_fragment;
+ }
+
+ @Override
+ public void onAttach(Activity activity) {
+ super.onAttach(activity);
+ try {
+ interface_with_configuration_wizard = (ProviderDetailFragmentInterface) activity;
+ } catch (ClassCastException e) {
+ throw new ClassCastException(activity.toString()
+ + " must implement LogInDialogListener");
+ }
+ }
+
+ public interface ProviderDetailFragmentInterface {
+ public void login();
+
+ public void use_anonymously();
+
+ public void showAllProviders();
+ }
+
+ ProviderDetailFragmentInterface interface_with_configuration_wizard;
+}
diff --git a/app/src/insecure/java/se/leap/bitmaskclient/ProviderListContent.java b/app/src/insecure/java/se/leap/bitmaskclient/ProviderListContent.java
new file mode 100644
index 00000000..c8dfc092
--- /dev/null
+++ b/app/src/insecure/java/se/leap/bitmaskclient/ProviderListContent.java
@@ -0,0 +1,82 @@
+/**
+ * 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 java.util.*;
+import java.net.*;
+
+/**
+ * Models the provider list shown in the ConfigurationWizard.
+ *
+ * @author parmegv
+ */
+public class ProviderListContent {
+
+ public static List<ProviderItem> ITEMS = new ArrayList<ProviderItem>();
+
+ public static Map<String, ProviderItem> ITEM_MAP = new HashMap<String, ProviderItem>();
+
+ /**
+ * Adds a new provider item to the end of the items map, and to the items list.
+ *
+ * @param item
+ */
+ public static void addItem(ProviderItem item) {
+ ITEMS.add(item);
+ ITEM_MAP.put(String.valueOf(ITEMS.size()), item);
+ }
+
+ public static void removeItem(ProviderItem item) {
+ ITEMS.remove(item);
+ ITEM_MAP.remove(item);
+ }
+
+ /**
+ * A provider item.
+ */
+ public static class ProviderItem {
+ final public static String CUSTOM = "custom";
+ final public static String DANGER_ON = "danger_on";
+ private String provider_main_url;
+ private String name;
+
+ /**
+ * @param name of the provider
+ * @param provider_main_url used to download provider.json file of the provider
+ */
+ public ProviderItem(String name, String provider_main_url) {
+ this.name = name;
+ this.provider_main_url = provider_main_url;
+ }
+
+ public String name() {
+ return name;
+ }
+
+ public String providerMainUrl() {
+ return provider_main_url;
+ }
+
+ public String domain() {
+ try {
+ return new URL(provider_main_url).getHost();
+ } catch (MalformedURLException e) {
+ return provider_main_url.replaceFirst("http[s]?://", "").replaceFirst("/.*", "");
+ }
+ }
+ }
+}