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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());
} 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();
}
}
}
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