package se.leap.leapclient; import java.io.IOException; import java.util.Iterator; import org.json.JSONException; import org.json.JSONObject; import se.leap.leapclient.ProviderAPIResultReceiver.Receiver; import se.leap.leapclient.ProviderListContent.ProviderItem; import se.leap.leapclient.R; import android.app.Activity; import android.app.DialogFragment; import android.app.Fragment; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.app.ProgressDialog; import android.content.Intent; import android.content.res.AssetManager; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.widget.Toast; /** * 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, NewProviderDialog.NewProviderDialogInterface, ProviderDetailFragment.ProviderDetailFragmentInterface, Receiver { private ProviderItem mSelectedProvider; private ProgressDialog mProgressDialog; private Intent mConfigState = new Intent(); protected static final String PROVIDER_SET = "PROVIDER SET"; protected static final String SERVICES_RETRIEVED = "SERVICES RETRIEVED"; public ProviderAPIResultReceiver providerAPI_result_receiver; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.configuration_wizard_activity); providerAPI_result_receiver = new ProviderAPIResultReceiver(new Handler()); providerAPI_result_receiver.setReceiver(this); ConfigHelper.setSharedPreferences(getSharedPreferences(ConfigHelper.PREFERENCES_KEY, MODE_PRIVATE)); 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) ProviderListFragment providerList = new ProviderListFragment(); FragmentManager fragmentManager = getFragmentManager(); fragmentManager.beginTransaction() .add(R.id.configuration_wizard_layout, providerList, "providerlist") .commit(); } // TODO: If exposing deep links into your app, handle intents here. } @Override public void onReceiveResult(int resultCode, Bundle resultData) { if(resultCode == ConfigHelper.CORRECTLY_UPDATED_PROVIDER_DOT_JSON) { JSONObject provider_json; try { provider_json = new JSONObject(resultData.getString(ConfigHelper.PROVIDER_KEY)); boolean danger_on = resultData.getBoolean(ConfigHelper.DANGER_ON); ConfigHelper.saveSharedPref(ConfigHelper.PROVIDER_KEY, provider_json); ConfigHelper.saveSharedPref(ConfigHelper.DANGER_ON, danger_on); ConfigHelper.saveSharedPref(ConfigHelper.ALLOWED_ANON, provider_json.getJSONObject(ConfigHelper.SERVICE_KEY).getBoolean(ConfigHelper.ALLOWED_ANON)); mConfigState.setAction(PROVIDER_SET); if(mProgressDialog == null) mProgressDialog = ProgressDialog.show(this, getResources().getString(R.string.config_wait_title), getResources().getString(R.string.config_connecting_provider), true); mProgressDialog.setMessage(getResources().getString(R.string.config_downloading_services)); if(mSelectedProvider == null) { mSelectedProvider = getProvider(resultData.getString(ConfigHelper.PROVIDER_ID)); ProviderListFragment providerList = new ProviderListFragment(); FragmentManager fragmentManager = getFragmentManager(); fragmentManager.beginTransaction() .replace(R.id.configuration_wizard_layout, providerList, "providerlist") .commit(); } downloadJSONFiles(mSelectedProvider); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); mProgressDialog.dismiss(); //Toast.makeText(this, getResources().getString(R.string.config_error_parsing), Toast.LENGTH_LONG); setResult(RESULT_CANCELED, mConfigState); } } else if(resultCode == ConfigHelper.INCORRECTLY_UPDATED_PROVIDER_DOT_JSON) { mProgressDialog.dismiss(); setResult(RESULT_CANCELED, mConfigState); } else if(resultCode == ConfigHelper.CORRECTLY_DOWNLOADED_JSON_FILES) { if (ConfigHelper.getBoolFromSharedPref(ConfigHelper.ALLOWED_ANON)){ mProgressDialog.setMessage(getResources().getString(R.string.config_downloading_certificates)); mConfigState.putExtra(SERVICES_RETRIEVED, true); downloadAnonCert(); } else { mProgressDialog.dismiss(); //Toast.makeText(getApplicationContext(), R.string.success, Toast.LENGTH_LONG).show(); setResult(RESULT_OK); finish(); } } else if(resultCode == ConfigHelper.INCORRECTLY_DOWNLOADED_JSON_FILES) { //Toast.makeText(getApplicationContext(), R.string.incorrectly_downloaded_json_files_message, Toast.LENGTH_LONG).show(); setResult(RESULT_CANCELED, mConfigState); } else if(resultCode == ConfigHelper.CORRECTLY_DOWNLOADED_CERTIFICATE) { mProgressDialog.dismiss(); setResult(RESULT_OK); showProviderDetails(getCurrentFocus()); } else if(resultCode == ConfigHelper.INCORRECTLY_DOWNLOADED_CERTIFICATE) { mProgressDialog.dismiss(); //Toast.makeText(getApplicationContext(), R.string.incorrectly_downloaded_certificate_message, Toast.LENGTH_LONG).show(); setResult(RESULT_CANCELED, mConfigState); } } /** * 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 ProviderItem selected_provider = getProvider(id); if(mProgressDialog == null) mProgressDialog = ProgressDialog.show(this, getResources().getString(R.string.config_wait_title), getResources().getString(R.string.config_connecting_provider), true); mSelectedProvider = selected_provider; saveProviderJson(mSelectedProvider); } private ProviderItem getProvider(String id) { Iterator providers_iterator = ProviderListContent.ITEMS.iterator(); while(providers_iterator.hasNext()) { ProviderItem provider = providers_iterator.next(); if(provider.id.equalsIgnoreCase(id)) { return provider; } } return null; } /** * 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), custom, true)); // By default, it trusts the provider loaded_preseeded_providers = true; } } catch (IOException e) { loaded_preseeded_providers = false; } return loaded_preseeded_providers; } /** * Saves provider.json file associated with provider. * * If the provider is custom, the file has already been downloaded so we load it from memory. * If not, the file is updated using the provider's URL. * @param provider */ private void saveProviderJson(ProviderItem provider) { JSONObject provider_json = new JSONObject(); try { if(!provider.custom) { updateProviderDotJson(provider.name, provider.provider_json_url, provider.danger_on); } else { // FIXME!! We should we be updating our seeded providers list at ConfigurationWizard onStart() ? // I think yes, but if so, where does this list live? leap.se, as it's the non-profit project for the software? // If not, we should just be getting names/urls, and fetching the provider.json like in custom entries provider_json = provider.provider_json; ConfigHelper.saveSharedPref(ConfigHelper.PROVIDER_KEY, provider_json); ConfigHelper.saveSharedPref(ConfigHelper.ALLOWED_ANON, provider_json.getJSONObject(ConfigHelper.SERVICE_KEY).getBoolean(ConfigHelper.ALLOWED_ANON)); ConfigHelper.saveSharedPref(ConfigHelper.DANGER_ON, provider.danger_on); mProgressDialog.setMessage(getResources().getString(R.string.config_downloading_services)); downloadJSONFiles(mSelectedProvider); } } catch (JSONException e) { setResult(RESULT_CANCELED); finish(); } } /** * Asks ProviderAPI to download provider site's certificate and eip-service.json * * URLs are fetched from the provider parameter * @param provider from which certificate and eip-service.json files are going to be downloaded */ private void downloadJSONFiles(ProviderItem provider) { Intent provider_API_command = new Intent(this, ProviderAPI.class); Bundle method_and_parameters = new Bundle(); method_and_parameters.putString(ConfigHelper.PROVIDER_KEY, provider.name); method_and_parameters.putString(ConfigHelper.MAIN_CERT_KEY, provider.cert_json_url); method_and_parameters.putString(ConfigHelper.EIP_SERVICE_KEY, provider.eip_service_json_url); method_and_parameters.putBoolean(ConfigHelper.DANGER_ON, provider.danger_on); provider_API_command.putExtra(ConfigHelper.DOWNLOAD_JSON_FILES_BUNDLE_EXTRA, method_and_parameters); provider_API_command.putExtra(ConfigHelper.RECEIVER_KEY, providerAPI_result_receiver); startService(provider_API_command); } /** * Asks ProviderAPI to download an anonymous (anon) VPN certificate. */ private void downloadAnonCert() { Intent provider_API_command = new Intent(this, ProviderAPI.class); Bundle method_and_parameters = new Bundle(); method_and_parameters.putString(ConfigHelper.TYPE_OF_CERTIFICATE, ConfigHelper.ANON_CERTIFICATE); provider_API_command.putExtra(ConfigHelper.DOWNLOAD_CERTIFICATE, method_and_parameters); provider_API_command.putExtra(ConfigHelper.RECEIVER_KEY, providerAPI_result_receiver); startService(provider_API_command); } /** * Open the new provider dialog * @param view from which the dialog is showed */ public void addAndSelectNewProvider(View view) { FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); Fragment previous_new_provider_dialog = getFragmentManager().findFragmentByTag(ConfigHelper.NEW_PROVIDER_DIALOG); 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, ConfigHelper.NEW_PROVIDER_DIALOG); } /** * 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) { FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); Fragment previous_provider_details_dialog = getFragmentManager().findFragmentByTag(ConfigHelper.PROVIDER_DETAILS_DIALOG); 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, ConfigHelper.PROVIDER_DETAILS_DIALOG); } @Override public void saveAndSelectProvider(String provider_main_url, boolean danger_on) { Intent provider_API_command = new Intent(this, ProviderAPI.class); Bundle method_and_parameters = new Bundle(); method_and_parameters.putString(ConfigHelper.PROVIDER_MAIN_URL, provider_main_url); method_and_parameters.putBoolean(ConfigHelper.DANGER_ON, danger_on); provider_API_command.putExtra(ConfigHelper.DOWNLOAD_NEW_PROVIDER_DOTJSON, method_and_parameters); provider_API_command.putExtra(ConfigHelper.RECEIVER_KEY, providerAPI_result_receiver); startService(provider_API_command); } /** * Asks ProviderAPI to download a new provider.json file * @param provider_name * @param provider_json_url * @param danger_on tells if HTTPS client should bypass certificate errors */ public void updateProviderDotJson(String provider_name, String provider_json_url, boolean danger_on) { Intent provider_API_command = new Intent(this, ProviderAPI.class); Bundle method_and_parameters = new Bundle(); method_and_parameters.putString(ConfigHelper.PROVIDER_NAME, provider_name); method_and_parameters.putString(ConfigHelper.PROVIDER_JSON_URL, provider_json_url); method_and_parameters.putBoolean(ConfigHelper.DANGER_ON, danger_on); provider_API_command.putExtra(ConfigHelper.UPDATE_PROVIDER_DOTJSON, method_and_parameters); provider_API_command.putExtra(ConfigHelper.RECEIVER_KEY, providerAPI_result_receiver); startService(provider_API_command); } @Override public void login() { Intent ask_login = new Intent(); ask_login.putExtra(ConfigHelper.LOG_IN, ConfigHelper.LOG_IN); setResult(RESULT_OK, ask_login); finish(); } @Override public void use_anonymously() { setResult(RESULT_OK); finish(); } }