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, 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.activity_configuration_wizard); 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.CUSTOM_PROVIDER_ADDED){ ProviderListFragment providerList = new ProviderListFragment(); FragmentManager fragmentManager = getFragmentManager(); fragmentManager.beginTransaction() .replace(R.id.configuration_wizard_layout, providerList, "providerlist") .commit(); } else 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); mProgressDialog.setMessage(getResources().getString(R.string.config_downloading_services)); 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); finish(); } } else if(resultCode == ConfigHelper.INCORRECTLY_UPDATED_PROVIDER_DOT_JSON) { mProgressDialog.dismiss(); Toast.makeText(getApplicationContext(), "Install a new version of this app.", Toast.LENGTH_LONG).show(); setResult(RESULT_CANCELED, mConfigState); finish(); } 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(), "You have not entered a LEAP provider URL or it is unavailable", Toast.LENGTH_LONG).show(); setResult(RESULT_CANCELED, mConfigState); finish(); } else if(resultCode == ConfigHelper.CORRECTLY_DOWNLOADED_CERTIFICATE) { mProgressDialog.dismiss(); Toast.makeText(getApplicationContext(), "Your anon cert has been correctly downloaded", Toast.LENGTH_LONG).show(); Toast.makeText(getApplicationContext(), R.string.success, Toast.LENGTH_LONG).show(); //mConfigState.putExtra(CERTIFICATE_RETRIEVED, true); // If this isn't the last step and finish() is moved... setResult(RESULT_OK); finish(); } else if(resultCode == ConfigHelper.INCORRECTLY_DOWNLOADED_CERTIFICATE) { mProgressDialog.dismiss(); Toast.makeText(getApplicationContext(), "Your anon cert was not downloaded", Toast.LENGTH_LONG).show(); setResult(RESULT_CANCELED, mConfigState); finish(); } } /** * 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 Iterator preseeded_providers_iterator = ProviderListContent.ITEMS.iterator(); while(preseeded_providers_iterator.hasNext()) { ProviderItem provider = preseeded_providers_iterator.next(); if(provider.id.equalsIgnoreCase(id)) { mProgressDialog = ProgressDialog.show(this, getResources().getString(R.string.config_wait_title), getResources().getString(R.string.config_connecting_provider), true); mSelectedProvider = provider; saveProviderJson(mSelectedProvider); } } } /** * 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("receiver", 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("receiver", providerAPI_result_receiver); startService(provider_API_command); } /** * Open the new provider dialog * @param view from which the dialog is showed */ public void addNewProvider(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); } @Override public void saveProvider(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("receiver", 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("receiver", providerAPI_result_receiver); startService(provider_API_command); } }