package se.leap.leapclient; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.security.KeyStore; import java.security.KeyStoreException; import java.security.NoSuchAlgorithmException; import java.security.cert.CertificateException; import java.security.cert.CertificateFactory; import java.security.cert.X509Certificate; import org.json.JSONException; import org.json.JSONObject; import android.content.SharedPreferences; import android.os.Environment; import android.util.Log; public class ConfigHelper { public static SharedPreferences shared_preferences; private static KeyStore keystore_trusted; final static String downloadJsonFilesBundleExtra = "downloadJSONFiles"; final static String downloadNewProviderDotJSON = "downloadNewProviderDotJSON"; final static String provider_key = "provider"; final static String cert_key = "cert"; final static String eip_service_key = "eip"; public static final String PREFERENCES_KEY = "LEAPPreferences"; public static final String user_directory = "leap_android"; public static String provider_key_url = "provider_main_url"; final public static String eip_service_api_path = "/config/eip-service.json"; final public static int CUSTOM_PROVIDER_ADDED = 0; final public static int CORRECTLY_DOWNLOADED_JSON_FILES = 1; final public static int INCORRECTLY_DOWNLOADED_JSON_FILES = 2; static void saveSharedPref(String shared_preferences_key, JSONObject content) { SharedPreferences.Editor shared_preferences_editor = shared_preferences .edit(); shared_preferences_editor.putString(shared_preferences_key, content.toString()); shared_preferences_editor.commit(); System.out.println("Shared preferences updated: key = " + shared_preferences_key + " Content = " + shared_preferences.getString( shared_preferences_key, "Default")); } static void rescueJSONException(JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } static void saveFile(String filename, String content) { File root = Environment.getExternalStorageDirectory(); File leap_dir = new File(root.getAbsolutePath() + File.separator + user_directory); if (!leap_dir.isDirectory()) { leap_dir.mkdir(); } try { if (!leap_dir.isDirectory()) { throw new IOException( "Unable to create directory " + user_directory + ". Maybe the SD card is mounted?"); } File outputFile = new File(leap_dir, filename); BufferedWriter writer = new BufferedWriter(new FileWriter(outputFile)); writer.write(content); writer.close(); } catch (IOException e) { Log.w("leap_android", e.getMessage(), e); } } static FileInputStream openFileInputStream(String filename) { FileInputStream input_stream = null; File root = Environment.getExternalStorageDirectory(); File leap_dir = new File(root.getAbsolutePath() + File.separator + user_directory); try { input_stream = new FileInputStream(leap_dir + File.separator + filename); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } return input_stream; } public static void setSharedPreferences( SharedPreferences shared_preferences) { ConfigHelper.shared_preferences = shared_preferences; } public static void addTrustedCertificate(String provider, InputStream inputStream) { CertificateFactory cf; try { cf = CertificateFactory.getInstance("X.509"); X509Certificate cert = (X509Certificate)cf.generateCertificate(inputStream); keystore_trusted.setCertificateEntry("provider", cert); } catch (CertificateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (KeyStoreException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static void addTrustedCertificate(String provider, String certificate) { String filename_to_save = provider + "_certificate.cer"; saveFile(filename_to_save, certificate); CertificateFactory cf; try { cf = CertificateFactory.getInstance("X.509"); X509Certificate cert = (X509Certificate)cf.generateCertificate(openFileInputStream(filename_to_save)); keystore_trusted.setCertificateEntry("provider", cert); } catch (CertificateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (KeyStoreException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static KeyStore getKeystore() { return keystore_trusted; } public static void getNewKeystore(InputStream leap_keystore) { try { keystore_trusted = KeyStore.getInstance("BKS"); try { // Initialize the keystore with the provided trusted certificates // Also provide the password of the keystore //keystore_trusted.load(leap_keystore, "uer92jf".toCharArray()); keystore_trusted.load(null, null); } finally { leap_keystore.close(); } } 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(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }