Merge branch 'release-0.2.0'HEADmaster

1 files changed, 411 insertions, 0 deletions

diff --git a/src/se/leap/leapclient/ConfigurationWizard.java b/src/se/leap/leapclient/ConfigurationWizard.java
new file mode 100644
index 0000000..934e2ea
--- /dev/null
+++ b/src/se/leap/leapclient/ConfigurationWizard.java
@@ -0,0 +1,411 @@
+/**

+ * Copyright (c) 2013 LEAP Encryption Access Project and contributers

+ * 

+ * This program is free software: you can redistribute it and/or modify

+ * it under the terms of the GNU General Public License as published by

+ * the Free Software Foundation, either version 3 of the License, or

+ * (at your option) any later version.

+ *

+ * This program is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+ * GNU General Public License for more details.

+ *

+ * You should have received a copy of the GNU General Public License

+ * along with this program. If not, see <http://www.gnu.org/licenses/>.

+ */

+ package se.leap.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 se.leap.openvpn.MainActivity;

+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.Menu;

+import android.view.MenuItem;

+import android.view.View;

+import android.view.ViewGroup;

+

+/**

+ * 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.dismiss();

+				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(resultData.containsKey(ConfigHelper.PROVIDER_ID))

+					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);

+	    mProgressDialog = ProgressDialog.show(this, getResources().getString(R.string.config_wait_title), getResources().getString(R.string.config_connecting_provider), true);

+	    mSelectedProvider = selected_provider;

+	    saveProviderJson(mSelectedProvider);

+    }

+    

+    @Override

+    public void onBackPressed() {

+    	try {

+			if(ConfigHelper.getJsonFromSharedPref(ConfigHelper.PROVIDER_KEY) == null || ConfigHelper.getJsonFromSharedPref(ConfigHelper.PROVIDER_KEY).length() == 0) {

+				askDashboardToQuitApp();

+			} else {

+				setResult(RESULT_OK);

+			}

+		} catch (JSONException e) {

+			askDashboardToQuitApp();

+		}

+    	super.onBackPressed();

+    }

+    

+    private void askDashboardToQuitApp() {

+		Intent ask_quit = new Intent();

+		ask_quit.putExtra(ConfigHelper.QUIT, ConfigHelper.QUIT);

+		setResult(RESULT_CANCELED, ask_quit);

+    }

+

+    private ProviderItem getProvider(String id) {

+	    Iterator<ProviderItem> 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 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:

+			showAboutFragment(getCurrentFocus());

+		default:

+			return super.onOptionsItemSelected(item);

+		}

+	}

+	

+	/**

+	 * 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 showAboutFragment(View view) {

+		FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction();

+		Fragment previous_about_fragment = getFragmentManager().findFragmentByTag(ConfigHelper.ABOUT_FRAGMENT);

+		if (previous_about_fragment == null) {

+			fragment_transaction.addToBackStack(null);

+

+			Fragment newFragment = AboutFragment.newInstance();

+			fragment_transaction.replace(R.id.configuration_wizard_layout, newFragment, ConfigHelper.ABOUT_FRAGMENT).commit();

+		}

+	}

+

+	@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();

+	}

+}