diff options
Diffstat (limited to 'app/src/main/java/se')
14 files changed, 337 insertions, 260 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java b/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java index 3a1fd6e0..d1f1ed21 100644 --- a/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java +++ b/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java @@ -17,12 +17,16 @@ package se.leap.bitmaskclient; -import org.jboss.security.srp.*; +import org.jboss.security.srp.SRPParameters; -import java.io.*; -import java.math.*; -import java.security.*; -import java.util.*; +import java.io.UnsupportedEncodingException; +import java.math.BigInteger; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; +import java.util.Arrays; + +import se.leap.bitmaskclient.utils.ConfigHelper; /** * Implements all SRP algorithm logic. diff --git a/app/src/main/java/se/leap/bitmaskclient/MainActivity.java b/app/src/main/java/se/leap/bitmaskclient/MainActivity.java index 4d57b6bc..8096607a 100644 --- a/app/src/main/java/se/leap/bitmaskclient/MainActivity.java +++ b/app/src/main/java/se/leap/bitmaskclient/MainActivity.java @@ -51,6 +51,7 @@ import se.leap.bitmaskclient.eip.EipCommand; import se.leap.bitmaskclient.eip.EipStatus; import se.leap.bitmaskclient.eip.VoidVpnService; import se.leap.bitmaskclient.fragments.LogFragment; +import se.leap.bitmaskclient.utils.ConfigHelper; import static android.content.Intent.CATEGORY_DEFAULT; import static se.leap.bitmaskclient.Constants.BROADCAST_EIP_EVENT; @@ -76,6 +77,8 @@ import static se.leap.bitmaskclient.ProviderAPI.INCORRECTLY_DOWNLOADED_VPN_CERTI import static se.leap.bitmaskclient.ProviderAPI.USER_MESSAGE; import static se.leap.bitmaskclient.R.string.downloading_vpn_certificate_failed; import static se.leap.bitmaskclient.R.string.vpn_certificate_user_message; +import static se.leap.bitmaskclient.utils.PreferenceHelper.getSavedProviderFromSharedPreferences; +import static se.leap.bitmaskclient.utils.PreferenceHelper.storeProviderInPreferences; public class MainActivity extends AppCompatActivity implements Observer { @@ -123,7 +126,7 @@ public class MainActivity extends AppCompatActivity implements Observer { getSupportFragmentManager().findFragmentById(R.id.navigation_drawer); preferences = getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE); - provider = ConfigHelper.getSavedProviderFromSharedPreferences(preferences); + provider = getSavedProviderFromSharedPreferences(preferences); // Set up the drawer. navigationDrawerFragment.setUp( @@ -194,7 +197,7 @@ public class MainActivity extends AppCompatActivity implements Observer { return; } - ConfigHelper.storeProviderInPreferences(preferences, provider); + storeProviderInPreferences(preferences, provider); navigationDrawerFragment.refresh(); switch (requestCode) { @@ -321,7 +324,7 @@ public class MainActivity extends AppCompatActivity implements Observer { case CORRECTLY_DOWNLOADED_VPN_CERTIFICATE: provider = resultData.getParcelable(PROVIDER_KEY); - ConfigHelper.storeProviderInPreferences(preferences, provider); + storeProviderInPreferences(preferences, provider); EipCommand.startVPN(this, true); break; case INCORRECTLY_DOWNLOADED_VPN_CERTIFICATE: diff --git a/app/src/main/java/se/leap/bitmaskclient/Provider.java b/app/src/main/java/se/leap/bitmaskclient/Provider.java index fd067bf9..5e5a3a62 100644 --- a/app/src/main/java/se/leap/bitmaskclient/Provider.java +++ b/app/src/main/java/se/leap/bitmaskclient/Provider.java @@ -140,7 +140,7 @@ public final class Provider implements Parcelable { return definition; } - String getDefinitionString() { + public String getDefinitionString() { return getDefinition().toString(); } @@ -148,7 +148,7 @@ public final class Provider implements Parcelable { return mainUrl.getDomain(); } - String getMainUrlString() { + public String getMainUrlString() { return getMainUrl().toString(); } diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderApiManagerBase.java b/app/src/main/java/se/leap/bitmaskclient/ProviderApiManagerBase.java index 2cde431e..25b5a56c 100644 --- a/app/src/main/java/se/leap/bitmaskclient/ProviderApiManagerBase.java +++ b/app/src/main/java/se/leap/bitmaskclient/ProviderApiManagerBase.java @@ -52,8 +52,9 @@ import javax.net.ssl.SSLHandshakeException; import okhttp3.OkHttpClient; import se.leap.bitmaskclient.Constants.CREDENTIAL_ERRORS; +import se.leap.bitmaskclient.utils.ConfigHelper; -import static se.leap.bitmaskclient.ConfigHelper.getFingerprintFromCertificate; +import static se.leap.bitmaskclient.utils.ConfigHelper.getFingerprintFromCertificate; import static se.leap.bitmaskclient.Constants.BROADCAST_PROVIDER_API_EVENT; import static se.leap.bitmaskclient.Constants.BROADCAST_RESULT_CODE; import static se.leap.bitmaskclient.Constants.BROADCAST_RESULT_KEY; @@ -103,6 +104,9 @@ import static se.leap.bitmaskclient.R.string.vpn_certificate_is_invalid; import static se.leap.bitmaskclient.R.string.warning_corrupted_provider_cert; import static se.leap.bitmaskclient.R.string.warning_corrupted_provider_details; import static se.leap.bitmaskclient.R.string.warning_expired_provider_cert; +import static se.leap.bitmaskclient.utils.ConfigHelper.parseRsaKeyFromString; +import static se.leap.bitmaskclient.utils.PreferenceHelper.deleteProviderDetailsFromPreferences; +import static se.leap.bitmaskclient.utils.PreferenceHelper.getFromPersistedProvider; /** * Implements the logic of the http api calls. The methods of this class needs to be called from @@ -218,7 +222,7 @@ public abstract class ProviderApiManagerBase { void resetProviderDetails(Provider provider) { provider.reset(); - ConfigHelper.deleteProviderDetailsFromPreferences(preferences, provider.getDomain()); + deleteProviderDetailsFromPreferences(preferences, provider.getDomain()); } String formatErrorMessage(final int toastStringId) { @@ -754,16 +758,16 @@ public abstract class ProviderApiManagerBase { } protected String getPersistedPrivateKey(String providerDomain) { - return ConfigHelper.getFromPersistedProvider(PROVIDER_PRIVATE_KEY, providerDomain, preferences); + return getFromPersistedProvider(PROVIDER_PRIVATE_KEY, providerDomain, preferences); } protected String getPersistedVPNCertificate(String providerDomain) { - return ConfigHelper.getFromPersistedProvider(PROVIDER_VPN_CERTIFICATE, providerDomain, preferences); + return getFromPersistedProvider(PROVIDER_VPN_CERTIFICATE, providerDomain, preferences); } protected JSONObject getPersistedProviderDefinition(String providerDomain) { try { - return new JSONObject(ConfigHelper.getFromPersistedProvider(Provider.KEY, providerDomain, preferences)); + return new JSONObject(getFromPersistedProvider(Provider.KEY, providerDomain, preferences)); } catch (JSONException e) { e.printStackTrace(); return new JSONObject(); @@ -849,7 +853,7 @@ public abstract class ProviderApiManagerBase { } } - RSAPrivateKey key = ConfigHelper.parseRsaKeyFromString(keyString); + RSAPrivateKey key = parseRsaKeyFromString(keyString); keyString = Base64.encodeToString(key.getEncoded(), Base64.DEFAULT); provider.setPrivateKey( "-----BEGIN RSA PRIVATE KEY-----\n" + keyString + "-----END RSA PRIVATE KEY-----"); diff --git a/app/src/main/java/se/leap/bitmaskclient/StartActivity.java b/app/src/main/java/se/leap/bitmaskclient/StartActivity.java index 6bbdeb4f..33c13b90 100644 --- a/app/src/main/java/se/leap/bitmaskclient/StartActivity.java +++ b/app/src/main/java/se/leap/bitmaskclient/StartActivity.java @@ -15,6 +15,7 @@ import java.lang.annotation.RetentionPolicy; import de.blinkt.openvpn.core.VpnStatus; import se.leap.bitmaskclient.eip.EipCommand; import se.leap.bitmaskclient.userstatus.User; +import se.leap.bitmaskclient.utils.ConfigHelper; import static se.leap.bitmaskclient.Constants.APP_ACTION_CONFIGURE_ALWAYS_ON_PROFILE; import static se.leap.bitmaskclient.Constants.EIP_RESTART_ON_BOOT; @@ -24,6 +25,9 @@ import static se.leap.bitmaskclient.Constants.PROVIDER_KEY; import static se.leap.bitmaskclient.Constants.REQUEST_CODE_CONFIGURE_LEAP; import static se.leap.bitmaskclient.Constants.SHARED_PREFERENCES; import static se.leap.bitmaskclient.MainActivity.ACTION_SHOW_VPN_FRAGMENT; +import static se.leap.bitmaskclient.utils.PreferenceHelper.getSavedProviderFromSharedPreferences; +import static se.leap.bitmaskclient.utils.PreferenceHelper.providerInSharedPreferences; +import static se.leap.bitmaskclient.utils.PreferenceHelper.storeProviderInPreferences; /** * Activity shown at startup. Evaluates if App is started for the first time or has been upgraded @@ -154,9 +158,9 @@ public class StartActivity extends Activity{ } private void prepareEIP() { - boolean provider_exists = ConfigHelper.providerInSharedPreferences(preferences); + boolean provider_exists = providerInSharedPreferences(preferences); if (provider_exists) { - Provider provider = ConfigHelper.getSavedProviderFromSharedPreferences(preferences); + Provider provider = getSavedProviderFromSharedPreferences(preferences); if(!provider.isConfigured()) { configureLeapProvider(); } else { @@ -186,7 +190,7 @@ public class StartActivity extends Activity{ if (requestCode == REQUEST_CODE_CONFIGURE_LEAP) { if (resultCode == RESULT_OK && data != null && data.hasExtra(Provider.KEY)) { Provider provider = data.getParcelableExtra(Provider.KEY); - ConfigHelper.storeProviderInPreferences(preferences, provider); + storeProviderInPreferences(preferences, provider); EipCommand.startVPN(this, false); showMainActivity(); } else if (resultCode == RESULT_CANCELED) { diff --git a/app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java b/app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java index 76d38447..cca75bdf 100644 --- a/app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java +++ b/app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java @@ -22,6 +22,7 @@ import javax.net.ssl.TrustManagerFactory; import javax.net.ssl.X509TrustManager; import okhttp3.OkHttpClient; +import se.leap.bitmaskclient.utils.ConfigHelper; /** * Created by cyberta on 24.10.17. diff --git a/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java b/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java index 9256c136..badc85ea 100644 --- a/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java +++ b/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java @@ -46,9 +46,8 @@ import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.CompoundButton; import android.widget.ListView; -import android.widget.Toast; -import se.leap.bitmaskclient.ConfigHelper; +import se.leap.bitmaskclient.utils.ConfigHelper; import se.leap.bitmaskclient.DrawerSettingsAdapter; import se.leap.bitmaskclient.DrawerSettingsAdapter.DrawerSettingsItem; import se.leap.bitmaskclient.FragmentManagerEnhanced; @@ -62,8 +61,6 @@ import se.leap.bitmaskclient.fragments.LogFragment; import static android.content.Context.MODE_PRIVATE; import static se.leap.bitmaskclient.BitmaskApp.getRefWatcher; -import static se.leap.bitmaskclient.ConfigHelper.getSaveBattery; -import static se.leap.bitmaskclient.ConfigHelper.getShowAlwaysOnDialog; import static se.leap.bitmaskclient.Constants.PROVIDER_KEY; import static se.leap.bitmaskclient.Constants.REQUEST_CODE_SWITCH_PROVIDER; import static se.leap.bitmaskclient.Constants.SHARED_PREFERENCES; @@ -77,6 +74,11 @@ import static se.leap.bitmaskclient.DrawerSettingsAdapter.SWITCH_PROVIDER; import static se.leap.bitmaskclient.R.string.about_fragment_title; import static se.leap.bitmaskclient.R.string.log_fragment_title; import static se.leap.bitmaskclient.R.string.switch_provider_menu_option; +import static se.leap.bitmaskclient.utils.PreferenceHelper.getProviderName; +import static se.leap.bitmaskclient.utils.PreferenceHelper.getSaveBattery; +import static se.leap.bitmaskclient.utils.PreferenceHelper.getSavedProviderFromSharedPreferences; +import static se.leap.bitmaskclient.utils.PreferenceHelper.getShowAlwaysOnDialog; +import static se.leap.bitmaskclient.utils.PreferenceHelper.saveBattery; /** * Fragment used for managing interactions for and presentation of a navigation drawer. @@ -307,7 +309,7 @@ public class NavigationDrawerFragment extends Fragment { DrawerSettingsItem item = settingsListAdapter.getDrawerItem(BATTERY_SAVER); item.setChecked(true); settingsListAdapter.notifyDataSetChanged(); - ConfigHelper.saveBattery(getContext(), item.isChecked()); + saveBattery(getContext(), item.isChecked()); } }) .setNegativeButton(activity.getString(android.R.string.no), new DialogInterface.OnClickListener() { @@ -392,14 +394,14 @@ public class NavigationDrawerFragment extends Fragment { private void onSwitchItemSelected(int elementType, boolean newStateIsChecked) { switch (elementType) { case BATTERY_SAVER: - if (ConfigHelper.getSaveBattery(getContext()) == newStateIsChecked) { + if (getSaveBattery(getContext()) == newStateIsChecked) { //initial ui setup, ignore return; } if (newStateIsChecked) { showExperimentalFeatureAlert(); } else { - ConfigHelper.saveBattery(this.getContext(), false); + saveBattery(this.getContext(), false); disableSwitch(BATTERY_SAVER); } break; @@ -423,7 +425,7 @@ public class NavigationDrawerFragment extends Fragment { mTitle = getString(R.string.vpn_fragment_title); fragment = new EipFragment(); Bundle arguments = new Bundle(); - Provider currentProvider = ConfigHelper.getSavedProviderFromSharedPreferences(preferences); + Provider currentProvider = getSavedProviderFromSharedPreferences(preferences); arguments.putParcelable(PROVIDER_KEY, currentProvider); fragment.setArguments(arguments); } else { @@ -481,7 +483,7 @@ public class NavigationDrawerFragment extends Fragment { private void createListAdapterData() { accountListAdapter.clear(); - String providerName = ConfigHelper.getProviderName(preferences); + String providerName = getProviderName(preferences); if (providerName == null) { //TODO: ADD A header to the ListView containing a useful message. //TODO 2: disable switchProvider diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/VpnCertificateValidator.java b/app/src/main/java/se/leap/bitmaskclient/eip/VpnCertificateValidator.java index 03dd9d05..83904729 100644 --- a/app/src/main/java/se/leap/bitmaskclient/eip/VpnCertificateValidator.java +++ b/app/src/main/java/se/leap/bitmaskclient/eip/VpnCertificateValidator.java @@ -22,7 +22,7 @@ import java.security.cert.X509Certificate; import java.util.Calendar; import java.util.Date; -import se.leap.bitmaskclient.ConfigHelper; +import se.leap.bitmaskclient.utils.ConfigHelper; public class VpnCertificateValidator { public final static String TAG = VpnCertificateValidator.class.getSimpleName(); diff --git a/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java b/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java index 3558f378..e3d004f5 100644 --- a/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java +++ b/app/src/main/java/se/leap/bitmaskclient/fragments/AlwaysOnDialog.java @@ -17,7 +17,8 @@ import butterknife.InjectView; import se.leap.bitmaskclient.R; import se.leap.bitmaskclient.views.IconTextView; -import static se.leap.bitmaskclient.ConfigHelper.saveShowAlwaysOnDialog; +import static se.leap.bitmaskclient.utils.PreferenceHelper.saveShowAlwaysOnDialog; + /** * Created by cyberta on 25.02.18. diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/utils/ConfigHelper.java new file mode 100644 index 00000000..bb9fb2d4 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/utils/ConfigHelper.java @@ -0,0 +1,161 @@ +/** + * 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.bitmaskclient.utils; + +import android.support.annotation.NonNull; + +import org.json.JSONException; +import org.json.JSONObject; +import org.spongycastle.util.encoders.Base64; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.math.BigInteger; +import java.security.KeyFactory; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.NoSuchProviderException; +import java.security.cert.CertificateEncodingException; +import java.security.cert.CertificateException; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; +import java.security.interfaces.RSAPrivateKey; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.PKCS8EncodedKeySpec; + +import se.leap.bitmaskclient.ProviderAPI; + +/** + * Stores constants, and implements auxiliary methods used across all Bitmask Android classes. + * + * @author parmegv + * @author MeanderingCode + */ +public class ConfigHelper { + final public static String NG_1024 = + "eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3"; + final public static BigInteger G = new BigInteger("2"); + + public static boolean checkErroneousDownload(String downloadedString) { + try { + if (downloadedString == null || downloadedString.isEmpty() || new JSONObject(downloadedString).has(ProviderAPI.ERRORS) || new JSONObject(downloadedString).has(ProviderAPI.BACKEND_ERROR_KEY)) { + return true; + } else { + return false; + } + } catch (NullPointerException | JSONException e) { + return false; + } + } + + /** + * Treat the input as the MSB representation of a number, + * and lop off leading zero elements. For efficiency, the + * input is simply returned if no leading zeroes are found. + * + * @param in array to be trimmed + */ + public static byte[] trim(byte[] in) { + if (in.length == 0 || in[0] != 0) + return in; + + int len = in.length; + int i = 1; + while (in[i] == 0 && i < len) + ++i; + byte[] ret = new byte[len - i]; + System.arraycopy(in, i, ret, 0, len - i); + return ret; + } + + public static X509Certificate parseX509CertificateFromString(String certificateString) { + java.security.cert.Certificate certificate = null; + CertificateFactory cf; + try { + cf = CertificateFactory.getInstance("X.509"); + + certificateString = certificateString.replaceFirst("-----BEGIN CERTIFICATE-----", "").replaceFirst("-----END CERTIFICATE-----", "").trim(); + byte[] cert_bytes = Base64.decode(certificateString); + InputStream caInput = new ByteArrayInputStream(cert_bytes); + try { + certificate = cf.generateCertificate(caInput); + System.out.println("ca=" + ((X509Certificate) certificate).getSubjectDN()); + } finally { + caInput.close(); + } + } catch (NullPointerException | CertificateException | IOException | IllegalArgumentException e) { + return null; + } + return (X509Certificate) certificate; + } + + public static RSAPrivateKey parseRsaKeyFromString(String rsaKeyString) { + RSAPrivateKey key; + try { + KeyFactory kf = KeyFactory.getInstance("RSA", "BC"); + rsaKeyString = rsaKeyString.replaceFirst("-----BEGIN RSA PRIVATE KEY-----", "").replaceFirst("-----END RSA PRIVATE KEY-----", ""); + PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(Base64.decode(rsaKeyString)); + key = (RSAPrivateKey) kf.generatePrivate(keySpec); + } catch (InvalidKeySpecException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return null; + } catch (NoSuchAlgorithmException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return null; + } catch (NoSuchProviderException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return null; + } catch (NullPointerException e) { + e.printStackTrace(); + return null; + } + + return key; + } + + private static String byteArrayToHex(byte[] input) { + int readBytes = input.length; + StringBuffer hexData = new StringBuffer(); + int onebyte; + for (int i = 0; i < readBytes; i++) { + onebyte = ((0x000000ff & input[i]) | 0xffffff00); + hexData.append(Integer.toHexString(onebyte).substring(6)); + } + return hexData.toString(); + } + + /** + * Calculates the hexadecimal representation of a sha256/sha1 fingerprint of a certificate + * + * @param certificate + * @param encoding + * @return + * @throws NoSuchAlgorithmException + * @throws CertificateEncodingException + */ + @NonNull + public static String getFingerprintFromCertificate(X509Certificate certificate, String encoding) throws NoSuchAlgorithmException, CertificateEncodingException /*, UnsupportedEncodingException*/ { + byte[] byteArray = MessageDigest.getInstance(encoding).digest(certificate.getEncoded()); + return byteArrayToHex(byteArray); + } + + +} diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/FileHelper.java b/app/src/main/java/se/leap/bitmaskclient/utils/FileHelper.java new file mode 100644 index 00000000..1c3e1ebb --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/utils/FileHelper.java @@ -0,0 +1,22 @@ +package se.leap.bitmaskclient.utils; + +import java.io.File; +import java.io.FileWriter; +import java.io.IOException; + +/** + * Created by cyberta on 18.03.18. + */ + +public class FileHelper { + public static File createFile(File dir, String fileName) { + return new File(dir, fileName); + } + + public static void persistFile(File file, String content) throws IOException { + FileWriter writer = new FileWriter(file); + writer.write(content); + writer.close(); + } + +} diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/InputStreamHelper.java b/app/src/main/java/se/leap/bitmaskclient/utils/InputStreamHelper.java new file mode 100644 index 00000000..87996615 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/utils/InputStreamHelper.java @@ -0,0 +1,21 @@ +package se.leap.bitmaskclient.utils; + +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.InputStream; + +/** + * Created by cyberta on 18.03.18. + */ + +public class InputStreamHelper { + //allows us to mock FileInputStream + public static InputStream getInputStreamFrom(String filePath) throws FileNotFoundException { + return new FileInputStream(filePath); + } + + public static String loadInputStreamAsString(InputStream is) { + java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A"); + return s.hasNext() ? s.next() : ""; + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/KeyStoreHelper.java b/app/src/main/java/se/leap/bitmaskclient/utils/KeyStoreHelper.java new file mode 100644 index 00000000..0cc9687b --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/utils/KeyStoreHelper.java @@ -0,0 +1,79 @@ +package se.leap.bitmaskclient.utils; + +import java.io.IOException; +import java.io.InputStream; +import java.math.BigInteger; +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; + +/** + * Created by cyberta on 18.03.18. + */ + +public class KeyStoreHelper { + private static KeyStore keystore_trusted; + + /** + * Adds a new X509 certificate given its input stream and its provider name + * + * @param provider used to store the certificate in the keystore + * @param inputStream from which X509 certificate must be generated. + */ + 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(); + } + } + + /** + * Adds a new X509 certificate given in its string from and using its provider name + * + * @param provider used to store the certificate in the keystore + * @param certificate + */ + public static void addTrustedCertificate(String provider, String certificate) { + + try { + X509Certificate cert = ConfigHelper.parseX509CertificateFromString(certificate); + if (keystore_trusted == null) { + keystore_trusted = KeyStore.getInstance("BKS"); + keystore_trusted.load(null); + } + keystore_trusted.setCertificateEntry(provider, cert); + } 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(); + } + } + + /** + * @return class wide keystore + */ + public static KeyStore getKeystore() { + return keystore_trusted; + } + +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/utils/PreferenceHelper.java index aaff9ebc..92f025b2 100644 --- a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java +++ b/app/src/main/java/se/leap/bitmaskclient/utils/PreferenceHelper.java @@ -1,63 +1,23 @@ -/** - * 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.bitmaskclient; +package se.leap.bitmaskclient.utils; import android.content.Context; import android.content.SharedPreferences; import android.preference.PreferenceManager; import android.support.annotation.NonNull; import android.support.annotation.Nullable; -import android.util.Log; import org.json.JSONException; import org.json.JSONObject; -import org.spongycastle.util.encoders.Base64; -import java.io.BufferedReader; -import java.io.ByteArrayInputStream; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.math.BigInteger; import java.net.MalformedURLException; import java.net.URL; -import java.security.KeyFactory; -import java.security.KeyStore; -import java.security.KeyStoreException; -import java.security.MessageDigest; -import java.security.NoSuchAlgorithmException; -import java.security.NoSuchProviderException; -import java.security.cert.CertificateEncodingException; -import java.security.cert.CertificateException; -import java.security.cert.CertificateFactory; -import java.security.cert.X509Certificate; -import java.security.interfaces.RSAPrivateKey; -import java.security.spec.InvalidKeySpecException; -import java.security.spec.PKCS8EncodedKeySpec; import java.util.ArrayList; -import java.util.HashSet; import java.util.List; import java.util.Locale; import java.util.Map; -import java.util.Set; -import static android.R.attr.name; +import se.leap.bitmaskclient.Provider; + import static se.leap.bitmaskclient.Constants.ALWAYS_ON_SHOW_DIALOG; import static se.leap.bitmaskclient.Constants.DEFAULT_SHARED_PREFS_BATTERY_SAVER; import static se.leap.bitmaskclient.Constants.PREFERENCES_APP_VERSION; @@ -68,195 +28,10 @@ import static se.leap.bitmaskclient.Constants.PROVIDER_VPN_CERTIFICATE; import static se.leap.bitmaskclient.Constants.SHARED_PREFERENCES; /** - * Stores constants, and implements auxiliary methods used across all Bitmask Android classes. - * - * @author parmegv - * @author MeanderingCode + * Created by cyberta on 18.03.18. */ -public class ConfigHelper { - private static final String TAG = ConfigHelper.class.getName(); - private static KeyStore keystore_trusted; - - final public static String NG_1024 = - "eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3"; - final public static BigInteger G = new BigInteger("2"); - - public static boolean checkErroneousDownload(String downloadedString) { - try { - if (downloadedString == null || downloadedString.isEmpty() || new JSONObject(downloadedString).has(ProviderAPI.ERRORS) || new JSONObject(downloadedString).has(ProviderAPI.BACKEND_ERROR_KEY)) { - return true; - } else { - return false; - } - } catch (NullPointerException | JSONException e) { - return false; - } - } - - /** - * Treat the input as the MSB representation of a number, - * and lop off leading zero elements. For efficiency, the - * input is simply returned if no leading zeroes are found. - * - * @param in array to be trimmed - */ - public static byte[] trim(byte[] in) { - if (in.length == 0 || in[0] != 0) - return in; - - int len = in.length; - int i = 1; - while (in[i] == 0 && i < len) - ++i; - byte[] ret = new byte[len - i]; - System.arraycopy(in, i, ret, 0, len - i); - return ret; - } - - public static X509Certificate parseX509CertificateFromString(String certificateString) { - java.security.cert.Certificate certificate = null; - CertificateFactory cf; - try { - cf = CertificateFactory.getInstance("X.509"); - - certificateString = certificateString.replaceFirst("-----BEGIN CERTIFICATE-----", "").replaceFirst("-----END CERTIFICATE-----", "").trim(); - byte[] cert_bytes = Base64.decode(certificateString); - InputStream caInput = new ByteArrayInputStream(cert_bytes); - try { - certificate = cf.generateCertificate(caInput); - System.out.println("ca=" + ((X509Certificate) certificate).getSubjectDN()); - } finally { - caInput.close(); - } - } catch (NullPointerException | CertificateException | IOException | IllegalArgumentException e) { - return null; - } - return (X509Certificate) certificate; - } - - public static String loadInputStreamAsString(java.io.InputStream is) { - java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A"); - return s.hasNext() ? s.next() : ""; - } - - //allows us to mock FileInputStream - public static InputStream getInputStreamFrom(String filePath) throws FileNotFoundException { - return new FileInputStream(filePath); - } - - protected static RSAPrivateKey parseRsaKeyFromString(String rsaKeyString) { - RSAPrivateKey key; - try { - KeyFactory kf = KeyFactory.getInstance("RSA", "BC"); - rsaKeyString = rsaKeyString.replaceFirst("-----BEGIN RSA PRIVATE KEY-----", "").replaceFirst("-----END RSA PRIVATE KEY-----", ""); - PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(Base64.decode(rsaKeyString)); - key = (RSAPrivateKey) kf.generatePrivate(keySpec); - } catch (InvalidKeySpecException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - return null; - } catch (NoSuchAlgorithmException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - return null; - } catch (NoSuchProviderException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - return null; - } catch (NullPointerException e) { - e.printStackTrace(); - return null; - } - - return key; - } - - private static String byteArrayToHex(byte[] input) { - int readBytes = input.length; - StringBuffer hexData = new StringBuffer(); - int onebyte; - for (int i = 0; i < readBytes; i++) { - onebyte = ((0x000000ff & input[i]) | 0xffffff00); - hexData.append(Integer.toHexString(onebyte).substring(6)); - } - return hexData.toString(); - } - - /** - * Calculates the hexadecimal representation of a sha256/sha1 fingerprint of a certificate - * - * @param certificate - * @param encoding - * @return - * @throws NoSuchAlgorithmException - * @throws CertificateEncodingException - */ - @NonNull - public static String getFingerprintFromCertificate(X509Certificate certificate, String encoding) throws NoSuchAlgorithmException, CertificateEncodingException /*, UnsupportedEncodingException*/ { - byte[] byteArray = MessageDigest.getInstance(encoding).digest(certificate.getEncoded()); - return byteArrayToHex(byteArray); - } - - /** - * Adds a new X509 certificate given its input stream and its provider name - * - * @param provider used to store the certificate in the keystore - * @param inputStream from which X509 certificate must be generated. - */ - 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(); - } - } - - /** - * Adds a new X509 certificate given in its string from and using its provider name - * - * @param provider used to store the certificate in the keystore - * @param certificate - */ - public static void addTrustedCertificate(String provider, String certificate) { - - try { - X509Certificate cert = ConfigHelper.parseX509CertificateFromString(certificate); - if (keystore_trusted == null) { - keystore_trusted = KeyStore.getInstance("BKS"); - keystore_trusted.load(null); - } - keystore_trusted.setCertificateEntry(provider, cert); - } 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(); - } - } - - /** - * @return class wide keystore - */ - public static KeyStore getKeystore() { - return keystore_trusted; - } - +public class PreferenceHelper { public static boolean providerInSharedPreferences(@NonNull SharedPreferences preferences) { return preferences.getBoolean(PROVIDER_CONFIGURED, false); } |