From 1684c8f398922065a97e7da4dac4ac6a33cc5218 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Parm=C3=A9nides=20GV?= Date: Wed, 9 Apr 2014 16:03:55 +0200 Subject: Back to the standard "app" module. This return to "app" instead of "bitmask_android" is due to this reading: https://developer.android.com/sdk/installing/studio-build.html#projectStructure I'll have to tweak the final apk name in build.gradle. --- .../se/leap/bitmaskclient/ConfigurationWizard.java | 581 ++++++++++++++ .../se/leap/bitmaskclient/NewProviderDialog.java | 123 +++ .../java/se/leap/bitmaskclient/ProviderAPI.java | 875 +++++++++++++++++++++ .../leap/bitmaskclient/ProviderDetailFragment.java | 115 +++ .../se/leap/bitmaskclient/ProviderListContent.java | 112 +++ 5 files changed, 1806 insertions(+) create mode 100644 app/src/debug/java/se/leap/bitmaskclient/ConfigurationWizard.java create mode 100644 app/src/debug/java/se/leap/bitmaskclient/NewProviderDialog.java create mode 100644 app/src/debug/java/se/leap/bitmaskclient/ProviderAPI.java create mode 100644 app/src/debug/java/se/leap/bitmaskclient/ProviderDetailFragment.java create mode 100644 app/src/debug/java/se/leap/bitmaskclient/ProviderListContent.java (limited to 'app/src/debug/java/se/leap') diff --git a/app/src/debug/java/se/leap/bitmaskclient/ConfigurationWizard.java b/app/src/debug/java/se/leap/bitmaskclient/ConfigurationWizard.java new file mode 100644 index 00000000..f0aac40b --- /dev/null +++ b/app/src/debug/java/se/leap/bitmaskclient/ConfigurationWizard.java @@ -0,0 +1,581 @@ +/** + * 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.Activity; +import android.app.DialogFragment; +import android.app.Fragment; +import android.app.FragmentManager; +import android.app.FragmentTransaction; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.SharedPreferences; +import android.content.res.AssetManager; +import android.os.Bundle; +import android.os.Handler; +import android.util.Log; +import android.view.Display; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View.MeasureSpec; +import android.view.View; +import android.view.ViewGroup; +import android.view.WindowManager; +import android.widget.ListAdapter; +import android.widget.ListView; +import android.widget.ProgressBar; +import android.widget.ProgressBar; +import android.widget.RelativeLayout; +import android.widget.TextView; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.Iterator; +import org.json.JSONException; +import org.json.JSONObject; +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.R; + +/** + * 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 { + + private ProgressBar mProgressBar; + private TextView progressbar_description; + private ProviderListFragment provider_list_fragment; + private Intent mConfigState = new Intent(); + + final public static String TAG = "se.leap.bitmaskclient.ConfigurationWizard"; + 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"; + + public ProviderAPIResultReceiver providerAPI_result_receiver; + private ProviderAPIBroadcastReceiver_Update providerAPI_broadcast_receiver_update; + + private static SharedPreferences preferences; + private static boolean setting_up_provider = false; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE); + + setContentView(R.layout.configuration_wizard_activity); + mProgressBar = (ProgressBar) findViewById(R.id.progressbar_configuration_wizard); + mProgressBar.setVisibility(ProgressBar.INVISIBLE); + progressbar_description = (TextView) findViewById(R.id.progressbar_description); + progressbar_description.setVisibility(TextView.INVISIBLE); + 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); + + loadPreseededProviders(); + + // Only create our fragments if we're not restoring a saved instance + if ( savedInstanceState == null ){ + // TODO Some welcome screen? + // We will need better flow control when we have more Fragments (e.g. user auth) + 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); + + FragmentManager fragmentManager = getFragmentManager(); + fragmentManager.beginTransaction() + .replace(R.id.configuration_wizard_layout, provider_list_fragment, ProviderListFragment.TAG) + .commit(); + } + + // TODO: If exposing deep links into your app, handle intents here. + } + + @Override + protected void onDestroy() { + super.onDestroy(); + unregisterReceiver(providerAPI_broadcast_receiver_update); + } + + public void refreshProviderList(int top_padding) { + ProviderListFragment new_provider_list_fragment = new ProviderListFragment(); + Bundle top_padding_bundle = new Bundle(); + top_padding_bundle.putInt(ProviderListFragment.TOP_PADDING, top_padding); + new_provider_list_fragment.setArguments(top_padding_bundle); + + FragmentManager fragmentManager = getFragmentManager(); + fragmentManager.beginTransaction() + .replace(R.id.configuration_wizard_layout, new_provider_list_fragment, ProviderListFragment.TAG) + .commit(); + } + + @Override + public void onReceiveResult(int resultCode, Bundle resultData) { + if(resultCode == ProviderAPI.PROVIDER_OK) { + mConfigState.setAction(PROVIDER_SET); + + if (preferences.getBoolean(EIP.ALLOWED_ANON, false)){ + mConfigState.putExtra(SERVICES_RETRIEVED, true); + downloadAnonCert(); + } else { + mProgressBar.incrementProgressBy(1); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + setResult(RESULT_OK); + showProviderDetails(getCurrentFocus()); + } + } else if(resultCode == ProviderAPI.PROVIDER_NOK) { + //refreshProviderList(0); + String reason_to_fail = resultData.getString(ProviderAPI.ERRORS); + showDownloadFailedDialog(getCurrentFocus(), reason_to_fail); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + preferences.edit().remove(Provider.KEY).commit(); + setting_up_provider = false; + setResult(RESULT_CANCELED, mConfigState); + } + else if(resultCode == ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE) { + mProgressBar.incrementProgressBy(1); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + //refreshProviderList(0); + setResult(RESULT_OK); + showProviderDetails(getCurrentFocus()); + } else if(resultCode == ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE) { + //refreshProviderList(0); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + //Toast.makeText(getApplicationContext(), R.string.incorrectly_downloaded_certificate_message, Toast.LENGTH_LONG).show(); + 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 + // resetOldConnection(); + ProviderItem selected_provider = getProvider(id); + int provider_index = getProviderIndex(id); + + + startProgressBar(provider_index+1); + provider_list_fragment.hideAllBut(provider_index); + + boolean danger_on = true; + if(preferences.contains(ProviderItem.DANGER_ON)) + danger_on = preferences.getBoolean(ProviderItem.DANGER_ON, false); + setUpProvider(selected_provider.providerMainUrl(), danger_on); + } + + @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); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, Activity.MODE_PRIVATE).edit().remove(Provider.KEY).commit(); + 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) { + Iterator providers_iterator = ProviderListContent.ITEMS.iterator(); + while(providers_iterator.hasNext()) { + ProviderItem provider = providers_iterator.next(); + if(provider.name().equalsIgnoreCase(name)) { + return provider; + } + } + return null; + } + + private String getId(String provider_main_url_string) { + try { + URL provider_url = new URL(provider_main_url_string); + URL aux_provider_url; + Iterator providers_iterator = ProviderListContent.ITEMS.iterator(); + while(providers_iterator.hasNext()) { + ProviderItem provider = providers_iterator.next(); + 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) { + if (!url.getProtocol().equals(baseUrl.getProtocol())) { + return false; + } + if (!url.getHost().equals(baseUrl.getHost())) { + return false; + } + if (url.getPort() != baseUrl.getPort()) { + return false; + } + return true; + } + + private void startProgressBar() { + mProgressBar.setVisibility(ProgressBar.VISIBLE); + mProgressBar.setProgress(0); + mProgressBar.setMax(3); + } + + private void startProgressBar(int list_item_index) { + mProgressBar.setVisibility(ProgressBar.VISIBLE); + progressbar_description.setVisibility(TextView.VISIBLE); + mProgressBar.setProgress(0); + mProgressBar.setMax(3); + int measured_height = listItemHeight(list_item_index); + mProgressBar.setTranslationY(measured_height); + progressbar_description.setTranslationY(measured_height + mProgressBar.getHeight()); + } + + private int getProviderIndex(String id) { + int index = 0; + Iterator providers_iterator = ProviderListContent.ITEMS.iterator(); + while(providers_iterator.hasNext()) { + ProviderItem provider = providers_iterator.next(); + if(provider.name().equalsIgnoreCase(id)) { + break; + } else index++; + } + return index; + } + + private int listItemHeight(int list_item_index) { + 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 = MeasureSpec.makeMeasureSpec(listViewWidth, + MeasureSpec.AT_MOST); + listItem.measure(widthSpec, 0); + + return listItem.getMeasuredHeight(); +} + + /** + * Loads providers data from url file contained in the project + * @return true if the file was read correctly + */ + private boolean loadPreseededProviders() { + boolean loaded_preseeded_providers = false; + AssetManager asset_manager = getAssets(); + String[] urls_filepaths = null; + try { + String url_files_folder = "urls"; + //TODO Put that folder in a better place (also inside the "for") + urls_filepaths = asset_manager.list(url_files_folder); + String provider_name = ""; + for(String url_filepath : urls_filepaths) + { + boolean custom = false; + provider_name = url_filepath.subSequence(0, url_filepath.indexOf(".")).toString(); + if(ProviderListContent.ITEMS.isEmpty()) //TODO I have to implement a way of checking if a provider new or is already present in that ITEMS list + ProviderListContent.addItem(new ProviderItem(provider_name, asset_manager.open(url_files_folder + "/" + url_filepath))); + loaded_preseeded_providers = true; + } + } catch (IOException e) { + loaded_preseeded_providers = false; + } + + return loaded_preseeded_providers; + } + + /** + * 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 = getFragmentManager().beginTransaction(); + Fragment previous_new_provider_dialog = getFragmentManager().findFragmentByTag(NewProviderDialog.TAG); + if (previous_new_provider_dialog != null) { + fragment_transaction.remove(previous_new_provider_dialog); + } + fragment_transaction.addToBackStack(null); + + DialogFragment newFragment = NewProviderDialog.newInstance(); + newFragment.show(fragment_transaction, NewProviderDialog.TAG); + } + + /** + * Open the new provider dialog with data + */ + public void addAndSelectNewProvider(String main_url, boolean danger_on) { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_new_provider_dialog = getFragmentManager().findFragmentByTag(NewProviderDialog.TAG); + if (previous_new_provider_dialog != null) { + fragment_transaction.remove(previous_new_provider_dialog); + } + + DialogFragment newFragment = NewProviderDialog.newInstance(); + 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 view + * @param reason_to_fail + */ + public void showDownloadFailedDialog(View view, String reason_to_fail) { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_provider_details_dialog = getFragmentManager().findFragmentByTag(DownloadFailedDialog.TAG); + if (previous_provider_details_dialog != null) { + fragment_transaction.remove(previous_provider_details_dialog); + } + fragment_transaction.addToBackStack(null); + + 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 + */ + public void showProviderDetails(View view) { + if(setting_up_provider) { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_provider_details_dialog = getFragmentManager().findFragmentByTag(ProviderDetailFragment.TAG); + if (previous_provider_details_dialog != null) { + fragment_transaction.remove(previous_provider_details_dialog); + } + fragment_transaction.addToBackStack(null); + + DialogFragment newFragment = ProviderDetailFragment.newInstance(); + newFragment.show(fragment_transaction, ProviderDetailFragment.TAG); + } + } + + public void showAndSelectProvider(String provider_main_url, boolean danger_on) { + if(getId(provider_main_url).isEmpty()) + showProvider(provider_main_url, danger_on); + autoSelectProvider(provider_main_url, danger_on); + } + + private void showProvider(final String provider_main_url, final boolean danger_on) { + 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, boolean danger_on) { + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(ProviderItem.DANGER_ON, danger_on).commit(); + onItemSelected(getId(provider_main_url)); + } + + /** + * Asks ProviderAPI to download a new provider.json file + * @param provider_name + * @param provider_main_url + * @param danger_on tells if HTTPS client should bypass certificate errors + */ + public void setUpProvider(String provider_main_url, boolean danger_on) { + Intent provider_API_command = new Intent(this, ProviderAPI.class); + Bundle parameters = new Bundle(); + parameters.putString(Provider.MAIN_URL, provider_main_url); + parameters.putBoolean(ProviderItem.DANGER_ON, danger_on); + + 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() { + provider_list_fragment = (ProviderListFragment) getFragmentManager().findFragmentByTag(ProviderListFragment.TAG); + if(provider_list_fragment != null) + provider_list_fragment.unhideAll(); + } + + public void cancelSettingUpProvider() { + provider_list_fragment = (ProviderListFragment) getFragmentManager().findFragmentByTag(ProviderListFragment.TAG); + if(provider_list_fragment != null && preferences.contains(ProviderItem.DANGER_ON)) { + provider_list_fragment.removeLastItem(); + } + preferences.edit().remove(Provider.KEY).remove(ProviderItem.DANGER_ON).remove(EIP.ALLOWED_ANON).remove(EIP.KEY).commit(); + } + + @Override + public void login() { + Intent ask_login = new Intent(); + ask_login.putExtra(LogInDialog.VERB, LogInDialog.VERB); + 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); + } + } +} diff --git a/app/src/debug/java/se/leap/bitmaskclient/NewProviderDialog.java b/app/src/debug/java/se/leap/bitmaskclient/NewProviderDialog.java new file mode 100644 index 00000000..cf09c64b --- /dev/null +++ b/app/src/debug/java/se/leap/bitmaskclient/NewProviderDialog.java @@ -0,0 +1,123 @@ +/** + * 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 se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import se.leap.bitmaskclient.R; +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.app.DialogFragment; +import android.content.DialogInterface; +import android.content.Intent; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.CheckBox; +import android.widget.EditText; +import android.widget.Toast; + +/** + * Implements the new custom provider dialog. + * + * @author parmegv + * + */ +public class NewProviderDialog extends DialogFragment { + + final public static String TAG = "newProviderDialog"; + + public interface NewProviderDialogInterface { + public void showAndSelectProvider(String url_provider, boolean danger_on); + } + + NewProviderDialogInterface interface_with_ConfigurationWizard; + + /** + * @return a new instance of this DialogFragment. + */ + public static DialogFragment newInstance() { + NewProviderDialog dialog_fragment = new NewProviderDialog(); + return dialog_fragment; + } + + @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 new_provider_dialog_view = inflater.inflate(R.layout.new_provider_dialog, null); + final EditText url_input_field = (EditText)new_provider_dialog_view.findViewById(R.id.new_provider_url); + if(getArguments() != null && getArguments().containsKey(Provider.MAIN_URL)) { + url_input_field.setText(getArguments().getString(Provider.MAIN_URL)); + } + final CheckBox danger_checkbox = (CheckBox)new_provider_dialog_view.findViewById(R.id.danger_checkbox); + if(getArguments() != null && getArguments().containsKey(ProviderItem.DANGER_ON)) { + danger_checkbox.setActivated(getArguments().getBoolean(ProviderItem.DANGER_ON)); + } + + builder.setView(new_provider_dialog_view) + .setMessage(R.string.introduce_new_provider) + .setPositiveButton(R.string.save, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + 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();; + } + } + }) + .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(); + } + + /** + * 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/debug/java/se/leap/bitmaskclient/ProviderAPI.java b/app/src/debug/java/se/leap/bitmaskclient/ProviderAPI.java new file mode 100644 index 00000000..75ef511d --- /dev/null +++ b/app/src/debug/java/se/leap/bitmaskclient/ProviderAPI.java @@ -0,0 +1,875 @@ +/** + * 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 java.io.DataOutputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.io.UnsupportedEncodingException; +import java.math.BigInteger; +import java.net.CookieHandler; +import java.net.CookieManager; +import java.net.CookiePolicy; +import java.net.MalformedURLException; +import java.net.SocketTimeoutException; +import java.net.URISyntaxException; +import java.net.URL; +import java.net.URLConnection; +import java.net.URLEncoder; +import java.net.UnknownHostException; +import java.security.KeyManagementException; +import java.security.KeyStore; +import java.security.KeyStoreException; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; +import java.security.cert.CertificateEncodingException; +import java.security.cert.CertificateException; +import java.security.cert.X509Certificate; +import java.security.interfaces.RSAPrivateKey; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; +import java.util.Scanner; + +import javax.net.ssl.HostnameVerifier; +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.KeyManager; +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLSession; +import javax.net.ssl.TrustManager; +import javax.net.ssl.TrustManagerFactory; +import javax.net.ssl.X509TrustManager; + +import org.apache.http.client.ClientProtocolException; +import org.jboss.security.srp.SRPParameters; +import org.json.JSONException; +import org.json.JSONObject; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import android.app.IntentService; +import android.content.Intent; +import android.os.Bundle; +import android.os.Handler; +import android.os.ResultReceiver; +import android.util.Base64; +import android.util.Log; + + +/** + * Implements HTTP api methods used to manage communications with the provider server. + * + * 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 { + + private Handler mHandler; + + final public static String + SET_UP_PROVIDER = "setUpProvider", + DOWNLOAD_NEW_PROVIDER_DOTJSON = "downloadNewProviderDotJSON", + SRP_REGISTER = "srpRegister", + SRP_AUTH = "srpAuth", + LOG_OUT = "logOut", + DOWNLOAD_CERTIFICATE = "downloadUserAuthedCertificate", + PARAMETERS = "parameters", + RESULT_KEY = "result", + RECEIVER_KEY = "receiver", + SESSION_ID_COOKIE_KEY = "session_id_cookie_key", + SESSION_ID_KEY = "session_id", + ERRORS = "errors", + UPDATE_PROGRESSBAR = "update_progressbar", + CURRENT_PROGRESS = "current_progress", + TAG = "provider_api_tag" + ; + + final public static int + CUSTOM_PROVIDER_ADDED = 0, + SRP_AUTHENTICATION_SUCCESSFUL = 3, + SRP_AUTHENTICATION_FAILED = 4, + SRP_REGISTRATION_SUCCESSFUL = 5, + SRP_REGISTRATION_FAILED = 6, + LOGOUT_SUCCESSFUL = 7, + LOGOUT_FAILED = 8, + CORRECTLY_DOWNLOADED_CERTIFICATE = 9, + INCORRECTLY_DOWNLOADED_CERTIFICATE = 10, + PROVIDER_OK = 11, + PROVIDER_NOK = 12, + CORRECTLY_DOWNLOADED_ANON_CERTIFICATE = 13, + INCORRECTLY_DOWNLOADED_ANON_CERTIFICATE = 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 setting_up_provider = true; + + public static void stop() { + setting_up_provider = false; + } + + public ProviderAPI() { + super("ProviderAPI"); + Log.v("ClassName", "Provider API"); + } + + @Override + public void onCreate() { + super.onCreate(); + mHandler = new Handler(); + 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); + setting_up_provider = true; + + if(action.equalsIgnoreCase(SET_UP_PROVIDER)) { + Bundle result = setUpProvider(parameters); + if(setting_up_provider) { + if(result.getBoolean(RESULT_KEY)) { + receiver.send(PROVIDER_OK, result); + } else { + receiver.send(PROVIDER_NOK, result); + } + } + } else if (action.equalsIgnoreCase(SRP_AUTH)) { + Bundle session_id_bundle = authenticateBySRP(parameters); + if(session_id_bundle.getBoolean(RESULT_KEY)) { + receiver.send(SRP_AUTHENTICATION_SUCCESSFUL, session_id_bundle); + } else { + receiver.send(SRP_AUTHENTICATION_FAILED, session_id_bundle); + } + } else if (action.equalsIgnoreCase(LOG_OUT)) { + if(logOut(parameters)) { + receiver.send(LOGOUT_SUCCESSFUL, Bundle.EMPTY); + } else { + receiver.send(LOGOUT_FAILED, Bundle.EMPTY); + } + } else if (action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)) { + if(getNewCert(parameters)) { + receiver.send(CORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY); + } else { + receiver.send(INCORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY); + } + } + } + + /** + * 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 authenticateBySRP(Bundle task) { + Bundle session_id_bundle = new Bundle(); + int progress = 0; + + String username = (String) task.get(LogInDialog.USERNAME); + String password = (String) task.get(LogInDialog.PASSWORD); + if(validUserLoginData(username, password)) { + + String authentication_server = (String) task.get(Provider.API_URL); + + SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), ConfigHelper.G.toByteArray(), BigInteger.ZERO.toByteArray(), "SHA-256"); + LeapSRPSession client = new LeapSRPSession(username, password, params); + byte[] A = client.exponential(); + broadcast_progress(progress++); + try { + JSONObject saltAndB = sendAToSRPServer(authentication_server, username, new BigInteger(1, A).toString(16)); + if(saltAndB.length() > 0) { + String salt = saltAndB.getString(LeapSRPSession.SALT); + broadcast_progress(progress++); + byte[] Bbytes = new BigInteger(saltAndB.getString("B"), 16).toByteArray(); + byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes); + if(M1 != null) { + broadcast_progress(progress++); + JSONObject session_idAndM2 = sendM1ToSRPServer(authentication_server, username, M1); + if(session_idAndM2.has(LeapSRPSession.M2) && client.verify((byte[])session_idAndM2.get(LeapSRPSession.M2))) { + session_id_bundle.putBoolean(RESULT_KEY, true); + broadcast_progress(progress++); + } else { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_bad_user_password_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } + } else { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message)); + } + broadcast_progress(progress++); + } else { + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_bad_user_password_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putBoolean(RESULT_KEY, false); + } + } catch (ClientProtocolException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_client_http_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (IOException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_io_exception_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (JSONException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_json_exception_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (NoSuchAlgorithmException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_no_such_algorithm_exception_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (KeyManagementException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (KeyStoreException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } else { + if(!wellFormedPassword(password)) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putBoolean(LogInDialog.PASSWORD_INVALID_LENGTH, true); + } + if(username.isEmpty()) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putBoolean(LogInDialog.USERNAME_MISSING, true); + } + } + + return session_id_bundle; + } + + /** + * Sets up an intent with the progress value passed as a parameter + * and sends it as a broadcast. + * @param progress + */ + private void broadcast_progress(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 entered_username + * @param entered_password + * @return true if both parameters are present and the entered password length is greater or equal to eight (8). + */ + private boolean validUserLoginData(String entered_username, String entered_password) { + return !(entered_username.isEmpty()) && wellFormedPassword(entered_password); + } + + /** + * Validates a password + * @param entered_password + * @return true if the entered password length is greater or equal to eight (8). + */ + private boolean wellFormedPassword(String entered_password) { + return entered_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 + * @throws ClientProtocolException + * @throws IOException + * @throws JSONException + * @throws CertificateException + * @throws NoSuchAlgorithmException + * @throws KeyStoreException + * @throws KeyManagementException + */ + private JSONObject sendAToSRPServer(String server_url, String username, String clientA) throws ClientProtocolException, IOException, JSONException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + Map parameters = new HashMap(); + parameters.put("login", username); + parameters.put("A", clientA); + return sendToServer(server_url + "/sessions.json", "POST", parameters); + + /*HttpPost post = new HttpPost(server_url + "/sessions.json" + "?" + "login=" + username + "&&" + "A=" + clientA); + return sendToServer(post);*/ + } + + /** + * 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 + * @throws ClientProtocolException + * @throws IOException + * @throws JSONException + * @throws CertificateException + * @throws NoSuchAlgorithmException + * @throws KeyStoreException + * @throws KeyManagementException + */ + private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1) throws ClientProtocolException, IOException, JSONException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + Map parameters = new HashMap(); + parameters.put("client_auth", new BigInteger(1, ConfigHelper.trim(m1)).toString(16)); + + //HttpPut put = new HttpPut(server_url + "/sessions/" + username +".json" + "?" + "client_auth" + "=" + new BigInteger(1, ConfigHelper.trim(m1)).toString(16)); + JSONObject json_response = sendToServer(server_url + "/sessions/" + username +".json", "PUT", parameters); + + JSONObject session_idAndM2 = new JSONObject(); + if(json_response.length() > 0) { + byte[] M2_not_trimmed = new BigInteger(json_response.getString(LeapSRPSession.M2), 16).toByteArray(); + /*Cookie session_id_cookie = LeapHttpClient.getInstance(getApplicationContext()).getCookieStore().getCookies().get(0); + session_idAndM2.put(ConfigHelper.SESSION_ID_COOKIE_KEY, session_id_cookie.getName()); + session_idAndM2.put(ConfigHelper.SESSION_ID_KEY, session_id_cookie.getValue());*/ + session_idAndM2.put(LeapSRPSession.M2, ConfigHelper.trim(M2_not_trimmed)); + CookieHandler.setDefault(null); // we don't need cookies anymore + String token = json_response.getString(LeapSRPSession.TOKEN); + LeapSRPSession.setToken(token); + } + return session_idAndM2; + } + + /** + * Executes an HTTP request expecting a JSON response. + * @param url + * @param request_method + * @param parameters + * @return response from authentication server + * @throws IOException + * @throws JSONException + * @throws MalformedURLException + * @throws CertificateException + * @throws NoSuchAlgorithmException + * @throws KeyStoreException + * @throws KeyManagementException + */ + private JSONObject sendToServer(String url, String request_method, Map parameters) throws JSONException, MalformedURLException, IOException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + JSONObject json_response; + InputStream is = null; + HttpsURLConnection urlConnection = (HttpsURLConnection)new URL(url).openConnection(); + urlConnection.setRequestMethod(request_method); + urlConnection.setChunkedStreamingMode(0); + urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory()); + try { + + 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); + } finally { + InputStream error_stream = urlConnection.getErrorStream(); + if(error_stream != null) { + String error_response = new Scanner(error_stream).useDelimiter("\\A").next(); + urlConnection.disconnect(); + Log.d("Error", error_response); + json_response = new JSONObject(error_response); + if(!json_response.isNull(ERRORS) || json_response.has(ERRORS)) { + return new JSONObject(); + } + } + } + + return json_response; + } + + private String formatHttpParameters(Map parameters) throws UnsupportedEncodingException { + StringBuilder result = new StringBuilder(); + boolean first = true; + + Iterator 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 && task.containsKey(ProviderItem.DANGER_ON) && task.containsKey(Provider.MAIN_URL)) { + last_danger_on = task.getBoolean(ProviderItem.DANGER_ON); + last_provider_main_url = task.getString(Provider.MAIN_URL); + CA_CERT_DOWNLOADED = PROVIDER_JSON_DOWNLOADED = EIP_SERVICE_JSON_DOWNLOADED = false; + } + + if(!CA_CERT_DOWNLOADED) + current_download = downloadCACert(last_provider_main_url, last_danger_on); + if(CA_CERT_DOWNLOADED || (current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY))) { + broadcast_progress(progress++); + CA_CERT_DOWNLOADED = true; + if(!PROVIDER_JSON_DOWNLOADED) + current_download = getAndSetProviderJson(last_provider_main_url); + if(PROVIDER_JSON_DOWNLOADED || (current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY))) { + broadcast_progress(progress++); + PROVIDER_JSON_DOWNLOADED = true; + current_download = getAndSetEipServiceJson(); + if(current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY)) { + broadcast_progress(progress++); + EIP_SERVICE_JSON_DOWNLOADED = true; + } + } + } + + return current_download; + } + + private Bundle downloadCACert(String provider_main_url, boolean danger_on) { + Bundle result = new Bundle(); + String cert_string = downloadWithCommercialCA(provider_main_url + "/ca.crt", danger_on); + + if(validCertificate(cert_string) && setting_up_provider) { + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).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); + } + + 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 certCert = ConfigHelper.parseX509CertificateFromString(cert_string); + try { + Base64.encodeToString( certCert.getEncoded(), Base64.DEFAULT); + result = true; + } catch (CertificateEncodingException e) { + Log.d(TAG, e.getLocalizedMessage()); + } + } + + return result; + } + + private Bundle getAndSetProviderJson(String provider_main_url) { + Bundle result = new Bundle(); + + if(setting_up_provider) { + String provider_dot_json_string = downloadWithProviderCA(provider_main_url + "/provider.json", true); + + try { + JSONObject provider_json = new JSONObject(provider_dot_json_string); + String name = provider_json.getString(Provider.NAME); + //TODO setProviderName(name); + + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(Provider.KEY, provider_json.toString()).commit(); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(EIP.ALLOWED_ANON, provider_json.getJSONObject(Provider.SERVICE).getBoolean(EIP.ALLOWED_ANON)).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; + } + + + + public static boolean providerJsonDownloaded() { + return PROVIDER_JSON_DOWNLOADED; + } + + private Bundle getAndSetEipServiceJson() { + Bundle result = new Bundle(); + String eip_service_json_string = ""; + if(setting_up_provider) { + try { + JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).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); + + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.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; + } + + public static boolean eipServiceDownloaded() { + return EIP_SERVICE_JSON_DOWNLOADED; + } + + /** + * 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; + } + + /** + * Tries to download the contents of the provided url using commercially validated CA certificate from chosen provider. + * + * 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 = 1; + 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 (IOException e) { + if(provider_url != null) { + json_file_content = downloadWithProviderCA(string_url, danger_on); + } else { + json_file_content = formatErrorMessage(R.string.certificate_error); + } + } 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 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) { + 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(); + } + return json_file_content; + } + + private javax.net.ssl.SSLSocketFactory getProviderSSLSocketFactory() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, KeyManagementException { + String provider_cert_string = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).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.server_unreachable_message); + } 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. + * @param task containing api url from which the user will log out + * @return true if there were no exceptions + */ + private boolean logOut(Bundle task) { + try { + String delete_url = task.getString(Provider.API_URL) + "/logout"; + int progress = 0; + + HttpsURLConnection urlConnection = (HttpsURLConnection)new URL(delete_url).openConnection(); + urlConnection.setRequestMethod("DELETE"); + urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory()); + + int responseCode = urlConnection.getResponseCode(); + broadcast_progress(progress++); + LeapSRPSession.setToken(""); + Log.d(TAG, Integer.toString(responseCode)); + } 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 + 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. + * + * @param task containing the type of the certificate to be downloaded + * @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 getNewCert(Bundle task) { + + try { + String type_of_certificate = task.getString(ConfigurationWizard.TYPE_OF_CERTIFICATE); + JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).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) + "/" + EIP.CERTIFICATE); + + boolean danger_on = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getBoolean(ProviderItem.DANGER_ON, false); + + String cert_string = downloadWithProviderCA(new_cert_string_url.toString(), danger_on); + + if(!cert_string.isEmpty()) { + if(ConfigHelper.checkErroneousDownload(cert_string)) { + String reason_to_fail = provider_json.getString(ERRORS); + //result.putString(ConfigHelper.ERRORS_KEY, reason_to_fail); + //result.putBoolean(ConfigHelper.RESULT_KEY, false); + return false; + } else { + + // 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]; + } + } + try { + RSAPrivateKey keyCert = ConfigHelper.parseRsaKeyFromString(keyString); + keyString = Base64.encodeToString( keyCert.getEncoded(), Base64.DEFAULT ); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.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); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.CERTIFICATE, "-----BEGIN CERTIFICATE-----\n"+certificateString+"-----END CERTIFICATE-----").commit(); + + return true; + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } + } + } else { + return false; + } + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } /*catch (URISyntaxException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + }*/ + } +} diff --git a/app/src/debug/java/se/leap/bitmaskclient/ProviderDetailFragment.java b/app/src/debug/java/se/leap/bitmaskclient/ProviderDetailFragment.java new file mode 100644 index 00000000..c067ce2b --- /dev/null +++ b/app/src/debug/java/se/leap/bitmaskclient/ProviderDetailFragment.java @@ -0,0 +1,115 @@ +package se.leap.bitmaskclient; + +import org.json.JSONException; +import org.json.JSONObject; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; + +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.app.DialogFragment; +import android.content.DialogInterface; +import android.content.SharedPreferences; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.TextView; + +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.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(EIP.ALLOWED_ANON) && service_description.getBoolean(EIP.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(EIP.ALLOWED_ANON).remove(EIP.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/debug/java/se/leap/bitmaskclient/ProviderListContent.java b/app/src/debug/java/se/leap/bitmaskclient/ProviderListContent.java new file mode 100644 index 00000000..e1ca4f9a --- /dev/null +++ b/app/src/debug/java/se/leap/bitmaskclient/ProviderListContent.java @@ -0,0 +1,112 @@ +/** + * 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 java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.net.URL; +import java.net.MalformedURLException; + +import org.json.JSONException; +import org.json.JSONObject; + +/** + * Models the provider list shown in the ConfigurationWizard. + * + * @author parmegv + * + */ +public class ProviderListContent { + + public static List ITEMS = new ArrayList(); + + public static Map ITEM_MAP = new HashMap(); + + /** + * 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 urls_file_input_stream file input stream linking with the assets url file + * @param custom if it's a new provider entered by the user or not + * @param danger_on if the user trusts completely the new provider + */ + public ProviderItem(String name, InputStream urls_file_input_stream) { + + try { + byte[] urls_file_bytes = new byte[urls_file_input_stream.available()]; + urls_file_input_stream.read(urls_file_bytes); + String urls_file_content = new String(urls_file_bytes); + JSONObject file_contents = new JSONObject(urls_file_content); + provider_main_url = file_contents.getString(Provider.MAIN_URL); + this.name = name; + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + /** + * @param name of the provider + * @param provider_main_url used to download provider.json file of the provider + * @param provider_json already downloaded + * @param custom if it's a new provider entered by the user or not + */ + 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("/.*", ""); + } + } + } +} -- cgit v1.2.3