summaryrefslogtreecommitdiff
path: root/app/src
diff options
context:
space:
mode:
Diffstat (limited to 'app/src')
-rw-r--r--app/src/androidTest/java/se/leap/bitmaskclient/test/TestEIP.java4
-rw-r--r--app/src/androidTest/java/se/leap/bitmaskclient/test/TestVpnFragment.java2
-rw-r--r--app/src/androidTest/java/se/leap/bitmaskclient/test/UserStatusTestController.java3
-rw-r--r--app/src/androidTest/java/se/leap/bitmaskclient/test/VpnTestController.java2
-rw-r--r--app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java912
-rw-r--r--app/src/main/AndroidManifest.xml3
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/BitmaskApp.java17
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/Dashboard.java47
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java817
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/SrpCredentials.java26
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/SrpRegistrationData.java42
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java157
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/VpnFragment.java7
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/eip/Constants.java2
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/eip/EIP.java2
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/eip/GatewaysManager.java2
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java2
-rw-r--r--app/src/main/java/se/leap/bitmaskclient/userstatus/SessionDialog.java9
-rw-r--r--app/src/main/res/values-es/strings.xml2
-rw-r--r--app/src/main/res/values/strings.xml2
-rw-r--r--app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java4
-rw-r--r--app/src/production/java/se/leap/bitmaskclient/ProviderAPI.java923
-rw-r--r--app/src/test/java/se/leap/bitmaskclient/eip/GatewaysManagerTest.java2
23 files changed, 1360 insertions, 1629 deletions
diff --git a/app/src/androidTest/java/se/leap/bitmaskclient/test/TestEIP.java b/app/src/androidTest/java/se/leap/bitmaskclient/test/TestEIP.java
index 1a32e1c9..15bb53e1 100644
--- a/app/src/androidTest/java/se/leap/bitmaskclient/test/TestEIP.java
+++ b/app/src/androidTest/java/se/leap/bitmaskclient/test/TestEIP.java
@@ -59,13 +59,13 @@ public class TestEIP extends ServiceTestCase<EIP> {
}
private void testEmptyCertificate() {
- preferences.edit().putString(Constants.CERTIFICATE, "").apply();
+ preferences.edit().putString(Constants.VPN_CERTIFICATE, "").apply();
startService(Constants.ACTION_CHECK_CERT_VALIDITY);
}
private void testExpiredCertificate() {
String expired_certificate = "expired certificate";
- preferences.edit().putString(Constants.CERTIFICATE, expired_certificate).apply();
+ preferences.edit().putString(Constants.VPN_CERTIFICATE, expired_certificate).apply();
startService(Constants.ACTION_CHECK_CERT_VALIDITY);
}
diff --git a/app/src/androidTest/java/se/leap/bitmaskclient/test/TestVpnFragment.java b/app/src/androidTest/java/se/leap/bitmaskclient/test/TestVpnFragment.java
index b16bcf4f..564e251c 100644
--- a/app/src/androidTest/java/se/leap/bitmaskclient/test/TestVpnFragment.java
+++ b/app/src/androidTest/java/se/leap/bitmaskclient/test/TestVpnFragment.java
@@ -60,7 +60,7 @@ public class TestVpnFragment extends BaseTestDashboardFragment {
private void checkProvider(String provider) {
changeProviderAndLogIn(provider);
vpn_controller.sleepSeconds(1);
- vpn_controller.turnVpnOndAndOff();
+ vpn_controller.turnVpnOnAndOff();
vpn_controller.sleepSeconds(1);
}
diff --git a/app/src/androidTest/java/se/leap/bitmaskclient/test/UserStatusTestController.java b/app/src/androidTest/java/se/leap/bitmaskclient/test/UserStatusTestController.java
index 76d14911..f5cb2260 100644
--- a/app/src/androidTest/java/se/leap/bitmaskclient/test/UserStatusTestController.java
+++ b/app/src/androidTest/java/se/leap/bitmaskclient/test/UserStatusTestController.java
@@ -30,7 +30,8 @@ public class UserStatusTestController {
void logIn(String username, String password, boolean expectSuccess) {
solo.enterText(0, username);
solo.enterText(1, password);
- solo.clickOnButton(solo.getString(R.string.login_button));
+ // https://stackoverflow.com/questions/33560746/how-to-test-alertdialog-item-click-in-robotium-for-android-studio
+ solo.clickOnView(solo.getView(android.R.id.button1));
assertTrue(solo.waitForDialogToClose());
if (expectSuccess) {
diff --git a/app/src/androidTest/java/se/leap/bitmaskclient/test/VpnTestController.java b/app/src/androidTest/java/se/leap/bitmaskclient/test/VpnTestController.java
index 93b1da47..f76ba93b 100644
--- a/app/src/androidTest/java/se/leap/bitmaskclient/test/VpnTestController.java
+++ b/app/src/androidTest/java/se/leap/bitmaskclient/test/VpnTestController.java
@@ -22,7 +22,7 @@ public class VpnTestController {
this.solo = solo;
}
- protected void turnVpnOndAndOff() {
+ protected void turnVpnOnAndOff() {
clickVpnButton();
turningEipOn();
clickVpnButton();
diff --git a/app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java b/app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java
index a1b1b383..588ff7e2 100644
--- a/app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java
+++ b/app/src/insecure/java/se/leap/bitmaskclient/ProviderAPI.java
@@ -16,499 +16,69 @@
*/
package se.leap.bitmaskclient;
-import android.app.*;
-import android.content.*;
-import android.content.res.*;
-import android.os.*;
-import android.util.Base64;
-
-import org.json.*;
-import org.thoughtcrime.ssl.pinning.util.*;
-
-import java.io.*;
-import java.math.*;
-import java.net.*;
-import java.security.*;
-import java.security.cert.*;
-import java.security.interfaces.*;
-import java.util.*;
-
-import javax.net.ssl.*;
-
-import se.leap.bitmaskclient.ProviderListContent.*;
-import se.leap.bitmaskclient.eip.*;
-import se.leap.bitmaskclient.userstatus.SessionDialog;
-import se.leap.bitmaskclient.userstatus.User;
-import se.leap.bitmaskclient.userstatus.UserStatus;
+import android.os.Bundle;
+import android.util.Pair;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.thoughtcrime.ssl.pinning.util.PinningHelper;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.URL;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.List;
+import java.util.Scanner;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.KeyManager;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLHandshakeException;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+import okhttp3.OkHttpClient;
+import se.leap.bitmaskclient.ProviderListContent.ProviderItem;
+import se.leap.bitmaskclient.eip.Constants;
+import se.leap.bitmaskclient.eip.EIP;
+
+import static se.leap.bitmaskclient.R.string.certificate_error;
+import static se.leap.bitmaskclient.R.string.error_io_exception_user_message;
+import static se.leap.bitmaskclient.R.string.malformed_url;
/**
* Implements HTTP api methods used to manage communications with the provider server.
+ * It extends the abstract ProviderApiBase and implements the diverging method calls between the different flavors
+ * of ProviderAPI.
* <p/>
- * It's an IntentService because it downloads data from the Internet, so it operates in the background.
+ * It extends an IntentService because it downloads data from the Internet, so it operates in the background.
*
* @author parmegv
* @author MeanderingCode
+ * @author cyberta
*/
-public class ProviderAPI extends IntentService {
-
- final public static String
- TAG = ProviderAPI.class.getSimpleName(),
- SET_UP_PROVIDER = "setUpProvider",
- DOWNLOAD_NEW_PROVIDER_DOTJSON = "downloadNewProviderDotJSON",
- SIGN_UP = "srpRegister",
- LOG_IN = "srpAuth",
- LOG_OUT = "logOut",
- DOWNLOAD_CERTIFICATE = "downloadUserAuthedCertificate",
- PARAMETERS = "parameters",
- RESULT_KEY = "result",
- RECEIVER_KEY = "receiver",
- ERRORS = "errors",
- UPDATE_PROGRESSBAR = "update_progressbar",
- CURRENT_PROGRESS = "current_progress",
- DOWNLOAD_EIP_SERVICE = TAG + ".DOWNLOAD_EIP_SERVICE";
-
- final public static int
- SUCCESSFUL_LOGIN = 3,
- FAILED_LOGIN = 4,
- SUCCESSFUL_SIGNUP = 5,
- FAILED_SIGNUP = 6,
- SUCCESSFUL_LOGOUT = 7,
- LOGOUT_FAILED = 8,
- CORRECTLY_DOWNLOADED_CERTIFICATE = 9,
- INCORRECTLY_DOWNLOADED_CERTIFICATE = 10,
- PROVIDER_OK = 11,
- PROVIDER_NOK = 12,
- CORRECTLY_DOWNLOADED_EIP_SERVICE = 13,
- INCORRECTLY_DOWNLOADED_EIP_SERVICE = 14;
-
- private static boolean
- CA_CERT_DOWNLOADED = false,
- PROVIDER_JSON_DOWNLOADED = false,
- EIP_SERVICE_JSON_DOWNLOADED = false;
-
- private static String last_provider_main_url;
- private static boolean last_danger_on = false;
- private static boolean go_ahead = true;
- private static SharedPreferences preferences;
- private static String provider_api_url;
- private static String provider_ca_cert_fingerprint;
- private Resources resources;
-
- public static void stop() {
- go_ahead = false;
- }
-
- public ProviderAPI() {
- super(TAG);
- }
-
- @Override
- public void onCreate() {
- super.onCreate();
-
+public class ProviderAPI extends ProviderApiBase {
- preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE);
- resources = getResources();
- CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER));
- }
-
- public static String lastProviderMainUrl() {
- return last_provider_main_url;
- }
+ private static boolean last_danger_on = true;
public static boolean lastDangerOn() {
return last_danger_on;
}
- private String formatErrorMessage(final int toast_string_id) {
- return "{ \"" + ERRORS + "\" : \"" + getResources().getString(toast_string_id) + "\" }";
- }
-
- @Override
- protected void onHandleIntent(Intent command) {
- final ResultReceiver receiver = command.getParcelableExtra(RECEIVER_KEY);
- String action = command.getAction();
- Bundle parameters = command.getBundleExtra(PARAMETERS);
- if (provider_api_url == null && preferences.contains(Provider.KEY)) {
- try {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, "no provider"));
- provider_api_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION);
- go_ahead = true;
- } catch (JSONException e) {
- go_ahead = false;
- }
- }
-
- if (action.equalsIgnoreCase(SET_UP_PROVIDER)) {
- Bundle result = setUpProvider(parameters);
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(PROVIDER_OK, result);
- } else {
- receiver.send(PROVIDER_NOK, result);
- }
- } else if (action.equalsIgnoreCase(SIGN_UP)) {
- UserStatus.updateStatus(UserStatus.SessionStatus.SIGNING_UP, resources);
- Bundle result = tryToRegister(parameters);
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(SUCCESSFUL_SIGNUP, result);
- } else {
- receiver.send(FAILED_SIGNUP, result);
- }
- } else if (action.equalsIgnoreCase(LOG_IN)) {
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_IN, resources);
- Bundle result = tryToAuthenticate(parameters);
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(SUCCESSFUL_LOGIN, result);
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_IN, resources);
- } else {
- receiver.send(FAILED_LOGIN, result);
- UserStatus.updateStatus(UserStatus.SessionStatus.NOT_LOGGED_IN, resources);
- }
- } else if (action.equalsIgnoreCase(LOG_OUT)) {
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_OUT, resources);
- if (logOut()) {
- receiver.send(SUCCESSFUL_LOGOUT, Bundle.EMPTY);
- android.util.Log.d(TAG, "Logged out, notifying user status");
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_OUT, resources);
- } else {
- receiver.send(LOGOUT_FAILED, Bundle.EMPTY);
- UserStatus.updateStatus(UserStatus.SessionStatus.DIDNT_LOG_OUT, resources);
- }
- } else if (action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)) {
- if (updateVpnCertificate()) {
- receiver.send(CORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
- } else {
- receiver.send(INCORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
- }
- } else if (action.equalsIgnoreCase(DOWNLOAD_EIP_SERVICE)) {
- Bundle result = getAndSetEipServiceJson();
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(CORRECTLY_DOWNLOADED_EIP_SERVICE, result);
- } else {
- receiver.send(INCORRECTLY_DOWNLOADED_EIP_SERVICE, result);
- }
- }
- }
-
- private Bundle tryToRegister(Bundle task) {
- Bundle result = new Bundle();
- int progress = 0;
-
- String username = User.userName();
- String password = task.getString(SessionDialog.PASSWORD);
-
- if (validUserLoginData(username, password)) {
- result = register(username, password);
- broadcastProgress(progress++);
- } else {
- if (!wellFormedPassword(password)) {
- result.putBoolean(RESULT_KEY, false);
- result.putString(SessionDialog.USERNAME, username);
- result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
- }
- if (!validUsername(username)) {
- result.putBoolean(RESULT_KEY, false);
- result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
- }
- }
-
- return result;
- }
-
- private Bundle register(String username, String password) {
- LeapSRPSession client = new LeapSRPSession(username, password);
- byte[] salt = client.calculateNewSalt();
-
- BigInteger password_verifier = client.calculateV(username, password, salt);
-
- JSONObject api_result = sendNewUserDataToSRPServer(provider_api_url, username, new BigInteger(1, salt).toString(16), password_verifier.toString(16));
-
- Bundle result = new Bundle();
- if (api_result.has(ERRORS))
- result = authFailedNotification(api_result, username);
- else {
- result.putString(SessionDialog.USERNAME, username);
- result.putString(SessionDialog.PASSWORD, password);
- result.putBoolean(RESULT_KEY, true);
- }
-
- return result;
- }
-
- /**
- * Starts the authentication process using SRP protocol.
- *
- * @param task containing: username, password and api url.
- * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if authentication was successful.
- */
- private Bundle tryToAuthenticate(Bundle task) {
- Bundle result = new Bundle();
- int progress = 0;
-
- String username = User.userName();
- String password = task.getString(SessionDialog.PASSWORD);
- if (validUserLoginData(username, password)) {
- result = authenticate(username, password);
- broadcastProgress(progress++);
- } else {
- if (!wellFormedPassword(password)) {
- result.putBoolean(RESULT_KEY, false);
- result.putString(SessionDialog.USERNAME, username);
- result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
- }
- if (!validUsername(username)) {
- result.putBoolean(RESULT_KEY, false);
- result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
- }
- }
-
- return result;
- }
-
-
- private Bundle authenticate(String username, String password) {
- Bundle result = new Bundle();
-
- LeapSRPSession client = new LeapSRPSession(username, password);
- byte[] A = client.exponential();
-
- JSONObject step_result = sendAToSRPServer(provider_api_url, username, new BigInteger(1, A).toString(16));
- try {
- String salt = step_result.getString(LeapSRPSession.SALT);
- byte[] Bbytes = new BigInteger(step_result.getString("B"), 16).toByteArray();
- byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes);
- if (M1 != null) {
- step_result = sendM1ToSRPServer(provider_api_url, username, M1);
- setTokenIfAvailable(step_result);
- byte[] M2 = new BigInteger(step_result.getString(LeapSRPSession.M2), 16).toByteArray();
- if (client.verify(M2)) {
- result.putBoolean(RESULT_KEY, true);
- } else {
- authFailedNotification(step_result, username);
- }
- } else {
- result.putBoolean(RESULT_KEY, false);
- result.putString(SessionDialog.USERNAME, username);
- result.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message));
- }
- } catch (JSONException e) {
- result = authFailedNotification(step_result, username);
- e.printStackTrace();
- }
-
- return result;
- }
-
- private boolean setTokenIfAvailable(JSONObject authentication_step_result) {
- try {
- LeapSRPSession.setToken(authentication_step_result.getString(LeapSRPSession.TOKEN));
- CookieHandler.setDefault(null); // we don't need cookies anymore
- } catch (JSONException e) { //
- return false;
- }
- return true;
- }
-
- private Bundle authFailedNotification(JSONObject result, String username) {
- Bundle user_notification_bundle = new Bundle();
- try {
- JSONObject error_message = result.getJSONObject(ERRORS);
- String error_type = error_message.keys().next().toString();
- String message = error_message.get(error_type).toString();
- user_notification_bundle.putString(getResources().getString(R.string.user_message), message);
- } catch (JSONException e) {
- }
-
- if (!username.isEmpty())
- user_notification_bundle.putString(SessionDialog.USERNAME, username);
- user_notification_bundle.putBoolean(RESULT_KEY, false);
-
- return user_notification_bundle;
- }
-
- /**
- * Sets up an intent with the progress value passed as a parameter
- * and sends it as a broadcast.
- *
- * @param progress
- */
- private void broadcastProgress(int progress) {
- Intent intentUpdate = new Intent();
- intentUpdate.setAction(UPDATE_PROGRESSBAR);
- intentUpdate.addCategory(Intent.CATEGORY_DEFAULT);
- intentUpdate.putExtra(CURRENT_PROGRESS, progress);
- sendBroadcast(intentUpdate);
- }
-
- /**
- * Validates parameters entered by the user to log in
- *
- * @param username
- * @param password
- * @return true if both parameters are present and the entered password length is greater or equal to eight (8).
- */
- private boolean validUserLoginData(String username, String password) {
- return validUsername(username) && wellFormedPassword(password);
- }
-
- private boolean validUsername(String username) {
- return username != null && !username.isEmpty();
- }
-
- /**
- * Validates a password
- *
- * @param password
- * @return true if the entered password length is greater or equal to eight (8).
- */
- private boolean wellFormedPassword(String password) {
- return password != null && password.length() >= 8;
- }
-
- /**
- * Sends an HTTP POST request to the authentication server with the SRP Parameter A.
- *
- * @param server_url
- * @param username
- * @param clientA First SRP parameter sent
- * @return response from authentication server
- */
- private JSONObject sendAToSRPServer(String server_url, String username, String clientA) {
- Map<String, String> parameters = new HashMap<String, String>();
- parameters.put("login", username);
- parameters.put("A", clientA);
- return sendToServer(server_url + "/sessions.json", "POST", parameters);
- }
-
- /**
- * Sends an HTTP PUT request to the authentication server with the SRP Parameter M1 (or simply M).
- *
- * @param server_url
- * @param username
- * @param m1 Second SRP parameter sent
- * @return response from authentication server
- */
- private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1) {
- Map<String, String> parameters = new HashMap<String, String>();
- parameters.put("client_auth", new BigInteger(1, ConfigHelper.trim(m1)).toString(16));
-
- return sendToServer(server_url + "/sessions/" + username + ".json", "PUT", parameters);
- }
-
- /**
- * Sends an HTTP POST request to the api server to register a new user.
- *
- * @param server_url
- * @param username
- * @param salt
- * @param password_verifier
- * @return response from authentication server
- */
- private JSONObject sendNewUserDataToSRPServer(String server_url, String username, String salt, String password_verifier) {
- Map<String, String> parameters = new HashMap<String, String>();
- parameters.put("user[login]", username);
- parameters.put("user[password_salt]", salt);
- parameters.put("user[password_verifier]", password_verifier);
- return sendToServer(server_url + "/users.json", "POST", parameters);
- }
-
- /**
- * Executes an HTTP request expecting a JSON response.
- *
- * @param url
- * @param request_method
- * @param parameters
- * @return response from authentication server
- */
- private JSONObject sendToServer(String url, String request_method, Map<String, String> parameters) {
- JSONObject json_response;
- HttpsURLConnection urlConnection = null;
- try {
- InputStream is = null;
- urlConnection = (HttpsURLConnection) new URL(url).openConnection();
- urlConnection.setRequestMethod(request_method);
- String locale = Locale.getDefault().getLanguage() + Locale.getDefault().getCountry();
- urlConnection.setRequestProperty("Accept-Language", locale);
- urlConnection.setChunkedStreamingMode(0);
- urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
-
- DataOutputStream writer = new DataOutputStream(urlConnection.getOutputStream());
- writer.writeBytes(formatHttpParameters(parameters));
- writer.close();
-
- is = urlConnection.getInputStream();
- String plain_response = new Scanner(is).useDelimiter("\\A").next();
- json_response = new JSONObject(plain_response);
- } catch (IOException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (JSONException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (NoSuchAlgorithmException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (KeyManagementException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (KeyStoreException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (CertificateException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- }
-
- return json_response;
- }
-
- private JSONObject getErrorMessage(HttpsURLConnection urlConnection) {
- JSONObject error_message = new JSONObject();
- if (urlConnection != null) {
- InputStream error_stream = urlConnection.getErrorStream();
- if (error_stream != null) {
- String error_response = new Scanner(error_stream).useDelimiter("\\A").next();
- try {
- error_message = new JSONObject(error_response);
- } catch (JSONException e) {
- e.printStackTrace();
- }
- urlConnection.disconnect();
- }
- }
- return error_message;
- }
-
- private String formatHttpParameters(Map<String, String> parameters) throws UnsupportedEncodingException {
- StringBuilder result = new StringBuilder();
- boolean first = true;
-
- Iterator<String> parameter_iterator = parameters.keySet().iterator();
- while (parameter_iterator.hasNext()) {
- if (first)
- first = false;
- else
- result.append("&&");
-
- String key = parameter_iterator.next();
- String value = parameters.get(key);
-
- result.append(URLEncoder.encode(key, "UTF-8"));
- result.append("=");
- result.append(URLEncoder.encode(value, "UTF-8"));
- }
-
- return result.toString();
- }
-
-
/**
* Downloads a provider.json from a given URL, adding a new provider using the given name.
*
* @param task containing a boolean meaning if the provider is custom or not, another boolean meaning if the user completely trusts this provider, the provider name and its provider.json url.
* @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the update was successful.
*/
- private Bundle setUpProvider(Bundle task) {
+ @Override
+ protected Bundle setUpProvider(Bundle task) {
int progress = 0;
Bundle current_download = new Bundle();
@@ -545,75 +115,6 @@ public class ProviderAPI extends IntentService {
return current_download;
}
- private Bundle downloadCACert(boolean danger_on) {
- Bundle result = new Bundle();
- try {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
- String ca_cert_url = provider_json.getString(Provider.CA_CERT_URI);
- String cert_string = downloadWithCommercialCA(ca_cert_url, danger_on);
-
- if (validCertificate(cert_string) && go_ahead) {
- preferences.edit().putString(Provider.CA_CERT, cert_string).commit();
- result.putBoolean(RESULT_KEY, true);
- } else {
- String reason_to_fail = pickErrorMessage(cert_string);
- result.putString(ERRORS, reason_to_fail);
- result.putBoolean(RESULT_KEY, false);
- }
- } catch (JSONException e) {
- String reason_to_fail = formatErrorMessage(R.string.malformed_url);
- result.putString(ERRORS, reason_to_fail);
- result.putBoolean(RESULT_KEY, false);
- }
-
- return result;
- }
-
- public static boolean caCertDownloaded() {
- return CA_CERT_DOWNLOADED;
- }
-
- private boolean validCertificate(String cert_string) {
- boolean result = false;
- if (!ConfigHelper.checkErroneousDownload(cert_string)) {
- X509Certificate certificate = ConfigHelper.parseX509CertificateFromString(cert_string);
- try {
- if (certificate != null) {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
- String fingerprint = provider_json.getString(Provider.CA_CERT_FINGERPRINT);
- String encoding = fingerprint.split(":")[0];
- String expected_fingerprint = fingerprint.split(":")[1];
- String real_fingerprint = base64toHex(Base64.encodeToString(
- MessageDigest.getInstance(encoding).digest(certificate.getEncoded()),
- Base64.DEFAULT));
-
- result = real_fingerprint.trim().equalsIgnoreCase(expected_fingerprint.trim());
- } else
- result = false;
- } catch (JSONException e) {
- result = false;
- } catch (NoSuchAlgorithmException e) {
- result = false;
- } catch (CertificateEncodingException e) {
- result = false;
- }
- }
-
- return result;
- }
-
- private String base64toHex(String base64_input) {
- byte[] byteArray = Base64.decode(base64_input, Base64.DEFAULT);
- int readBytes = byteArray.length;
- StringBuffer hexData = new StringBuffer();
- int onebyte;
- for (int i = 0; i < readBytes; i++) {
- onebyte = ((0x000000ff & byteArray[i]) | 0xffffff00);
- hexData.append(Integer.toHexString(onebyte).substring(6));
- }
- return hexData.toString();
- }
-
private Bundle getAndSetProviderJson(String provider_main_url, boolean danger_on, String provider_ca_cert_fingerprint) {
Bundle result = new Bundle();
@@ -645,14 +146,19 @@ public class ProviderAPI extends IntentService {
return result;
}
- private Bundle getAndSetEipServiceJson() {
+ /**
+ * Downloads the eip-service.json from a given URL, and saves eip service capabilities including the offered gateways
+ * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the download was successful.
+ */
+ @Override
+ protected Bundle getAndSetEipServiceJson() {
Bundle result = new Bundle();
String eip_service_json_string = "";
if (go_ahead) {
try {
JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
String eip_service_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION) + "/" + EIP.SERVICE_API_PATH;
- eip_service_json_string = downloadWithProviderCA(eip_service_url, true);
+ eip_service_json_string = downloadWithProviderCA(eip_service_url, last_danger_on);
JSONObject eip_service_json = new JSONObject(eip_service_json_string);
eip_service_json.getInt(Provider.API_RETURN_SERIAL);
@@ -669,43 +175,78 @@ public class ProviderAPI extends IntentService {
}
/**
- * Interprets the error message as a JSON object and extract the "errors" keyword pair.
- * If the error message is not a JSON object, then it is returned untouched.
+ * Downloads a new OpenVPN certificate, attaching authenticated cookie for authenticated certificate.
*
- * @param string_json_error_message
- * @return final error message
+ * @return true if certificate was downloaded correctly, false if provider.json is not present in SharedPreferences, or if the certificate url could not be parsed as a URI, or if there was an SSL error.
*/
- private String pickErrorMessage(String string_json_error_message) {
- String error_message = "";
+ @Override
+ protected boolean updateVpnCertificate() {
try {
- JSONObject json_error_message = new JSONObject(string_json_error_message);
- error_message = json_error_message.getString(ERRORS);
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+
+ String provider_main_url = provider_json.getString(Provider.API_URL);
+ URL new_cert_string_url = new URL(provider_main_url + "/" + provider_json.getString(Provider.API_VERSION) + "/" + Constants.VPN_CERTIFICATE);
+
+ String cert_string = downloadWithProviderCA(new_cert_string_url.toString(), last_danger_on);
+
+ if (cert_string.isEmpty() || ConfigHelper.checkErroneousDownload(cert_string))
+ return false;
+ else
+ return loadCertificate(cert_string);
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
} catch (JSONException e) {
// TODO Auto-generated catch block
- error_message = string_json_error_message;
+ e.printStackTrace();
+ return false;
}
+ }
- return error_message;
+
+ private Bundle downloadCACert(boolean danger_on) {
+ Bundle result = new Bundle();
+ try {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+ String ca_cert_url = provider_json.getString(Provider.CA_CERT_URI);
+ String cert_string = downloadWithCommercialCA(ca_cert_url, danger_on);
+
+ if (validCertificate(cert_string) && go_ahead) {
+ preferences.edit().putString(Provider.CA_CERT, cert_string).commit();
+ result.putBoolean(RESULT_KEY, true);
+ } else {
+ String reason_to_fail = pickErrorMessage(cert_string);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
+ }
+ } catch (JSONException e) {
+ String reason_to_fail = formatErrorMessage(malformed_url);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
+ }
+
+ return result;
}
- private String downloadWithCommercialCA(String url_string, boolean danger_on, String ca_cert_fingerprint) {
+ //TODO: refactor with ticket #8773
+ private String downloadWithCommercialCA(String urlString, boolean dangerOn, String caCertFingerprint) {
String result = "";
-
int seconds_of_timeout = 2;
- String[] pins = new String[] {ca_cert_fingerprint};
+ String[] pins = new String[] {caCertFingerprint};
try {
- URL url = new URL(url_string);
+ URL url = new URL(urlString);
HttpsURLConnection connection = PinningHelper.getPinnedHttpsURLConnection(getApplicationContext(), pins, url);
connection.setConnectTimeout(seconds_of_timeout * 1000);
if (!LeapSRPSession.getToken().isEmpty())
- connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token = " + LeapSRPSession.getToken());
+ connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token=" + LeapSRPSession.getToken());
result = new Scanner(connection.getInputStream()).useDelimiter("\\A").next();
} catch (IOException e) {
if(e instanceof SSLHandshakeException) {
- result = danger_on ? downloadWithoutCA(url_string) :
+ result = dangerOn ? downloadWithoutCA(urlString) :
formatErrorMessage(R.string.error_security_pinnedcertificate);
} else
- result = formatErrorMessage(R.string.error_io_exception_user_message);
+ result = formatErrorMessage(error_io_exception_user_message);
}
return result;
@@ -721,116 +262,72 @@ public class ProviderAPI extends IntentService {
* @return
*/
private String downloadWithCommercialCA(String string_url, boolean danger_on) {
+ String responseString;
+ JSONObject errorJson = new JSONObject();
- String json_file_content = "";
+ OkHttpClient okHttpClient = initCommercialCAHttpClient(errorJson);
+ if (okHttpClient == null) {
+ return errorJson.toString();
+ }
- URL provider_url = null;
- int seconds_of_timeout = 2;
- try {
- provider_url = new URL(string_url);
- URLConnection url_connection = provider_url.openConnection();
+ List<Pair<String, String>> headerArgs = getAuthorizationHeader();
- url_connection.setConnectTimeout(seconds_of_timeout * 1000);
- if (!LeapSRPSession.getToken().isEmpty())
- url_connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token = " + LeapSRPSession.getToken());
- json_file_content = new Scanner(url_connection.getInputStream()).useDelimiter("\\A").next();
- } catch (MalformedURLException e) {
- json_file_content = formatErrorMessage(R.string.malformed_url);
- } catch (SocketTimeoutException e) {
- json_file_content = formatErrorMessage(R.string.server_unreachable_message);
- } catch (SSLHandshakeException e) {
- if (provider_url != null) {
- json_file_content = downloadWithProviderCA(string_url, danger_on);
- } else {
- json_file_content = formatErrorMessage(R.string.certificate_error);
- }
- } catch (ConnectException e) {
- json_file_content = formatErrorMessage(R.string.service_is_down_error);
- } catch (FileNotFoundException e) {
- json_file_content = formatErrorMessage(R.string.malformed_url);
- } catch (Exception e) {
- if (provider_url != null && danger_on) {
- json_file_content = downloadWithProviderCA(string_url, danger_on);
+ responseString = sendGetStringToServer(string_url, headerArgs, okHttpClient);
+
+ if (responseString.contains(ERRORS)) {
+ try {
+ // try to download with provider CA on certificate error
+ JSONObject responseErrorJson = new JSONObject(responseString);
+ if (danger_on && responseErrorJson.getString(ERRORS).equals(getString(R.string.certificate_error))) {
+ responseString = downloadWithProviderCA(string_url, danger_on);
+ }
+ } catch (JSONException e) {
+ e.printStackTrace();
}
}
- return json_file_content;
+ return responseString;
}
/**
* Tries to download the contents of the provided url using not commercially validated CA certificate from chosen provider.
*
- * @param url_string as a string
- * @param danger_on true to download CA certificate in case it has not been downloaded.
+ * @param urlString as a string
+ * @param dangerOn true to download CA certificate in case it has not been downloaded.
* @return an empty string if it fails, the url content if not.
*/
- private String downloadWithProviderCA(String url_string, boolean danger_on) {
- String json_file_content = "";
+ private String downloadWithProviderCA(String urlString, boolean dangerOn) {
+ JSONObject initError = new JSONObject();
+ String responseString;
- try {
- URL url = new URL(url_string);
- // Tell the URLConnection to use a SocketFactory from our SSLContext
- HttpsURLConnection urlConnection =
- (HttpsURLConnection) url.openConnection();
- urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
- if (!LeapSRPSession.getToken().isEmpty())
- urlConnection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token=" + LeapSRPSession.getToken());
- json_file_content = new Scanner(urlConnection.getInputStream()).useDelimiter("\\A").next();
- } catch (CertificateException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (UnknownHostException e) {
- e.printStackTrace();
- json_file_content = formatErrorMessage(R.string.server_unreachable_message);
- } catch (IOException e) {
- // The downloaded certificate doesn't validate our https connection.
- if (danger_on) {
- json_file_content = downloadWithoutCA(url_string);
- } else {
- json_file_content = formatErrorMessage(R.string.certificate_error);
- }
- } catch (KeyStoreException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (NoSuchAlgorithmException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (KeyManagementException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (NoSuchElementException e) {
- e.printStackTrace();
- json_file_content = formatErrorMessage(R.string.server_unreachable_message);
+ OkHttpClient okHttpClient = initSelfSignedCAHttpClient(initError);
+ if (okHttpClient == null) {
+ return initError.toString();
}
- return json_file_content;
- }
- private javax.net.ssl.SSLSocketFactory getProviderSSLSocketFactory() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, KeyManagementException {
- String provider_cert_string = preferences.getString(Provider.CA_CERT, "");
+ List<Pair<String, String>> headerArgs = getAuthorizationHeader();
- java.security.cert.Certificate provider_certificate = ConfigHelper.parseX509CertificateFromString(provider_cert_string);
+ responseString = sendGetStringToServer(urlString, headerArgs, okHttpClient);
- // Create a KeyStore containing our trusted CAs
- String keyStoreType = KeyStore.getDefaultType();
- KeyStore keyStore = KeyStore.getInstance(keyStoreType);
- keyStore.load(null, null);
- keyStore.setCertificateEntry("provider_ca_certificate", provider_certificate);
-
- // Create a TrustManager that trusts the CAs in our KeyStore
- String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
- TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
- tmf.init(keyStore);
-
- // Create an SSLContext that uses our TrustManager
- SSLContext context = SSLContext.getInstance("TLS");
- context.init(null, tmf.getTrustManagers(), null);
+ if (responseString.contains(ERRORS)) {
+ try {
+ // danger danger: try to download without CA on certificate error
+ JSONObject responseErrorJson = new JSONObject(responseString);
+ if (dangerOn && responseErrorJson.getString(ERRORS).equals(getString(R.string.certificate_error))) {
+ responseString = downloadWithoutCA(urlString);
+ }
+ } catch (JSONException e) {
+ e.printStackTrace();
+ }
+ }
- return context.getSocketFactory();
+ return responseString;
}
/**
* Downloads the string that's in the url with any certificate.
*/
+ // This method is totally insecure anyways. So no need to refactor that in order to use okHttpClient, force modern TLS etc.. DO NOT USE IN PRODUCTION!
private String downloadWithoutCA(String url_string) {
String string = "";
try {
@@ -869,11 +366,11 @@ public class ProviderAPI extends IntentService {
System.out.println("String ignoring certificate = " + string);
} catch (FileNotFoundException e) {
e.printStackTrace();
- string = formatErrorMessage(R.string.malformed_url);
+ string = formatErrorMessage(malformed_url);
} catch (IOException e) {
// The downloaded certificate doesn't validate our https connection.
e.printStackTrace();
- string = formatErrorMessage(R.string.certificate_error);
+ string = formatErrorMessage(certificate_error);
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
@@ -884,121 +381,4 @@ public class ProviderAPI extends IntentService {
return string;
}
- /**
- * Logs out from the api url retrieved from the task.
- *
- * @return true if there were no exceptions
- */
- private boolean logOut() {
- String delete_url = provider_api_url + "/logout";
-
- HttpsURLConnection urlConnection = null;
- int responseCode = 0;
- int progress = 0;
- try {
-
- urlConnection = (HttpsURLConnection) new URL(delete_url).openConnection();
- urlConnection.setRequestMethod("DELETE");
- urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
-
- responseCode = urlConnection.getResponseCode();
- broadcastProgress(progress++);
- LeapSRPSession.setToken("");
- } catch (IndexOutOfBoundsException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- } catch (IOException e) {
- // TODO Auto-generated catch block
- try {
- if (urlConnection != null) {
- responseCode = urlConnection.getResponseCode();
- if (responseCode == 401) {
- broadcastProgress(progress++);
- LeapSRPSession.setToken("");
- return true;
- }
- }
- } catch (IOException e1) {
- e1.printStackTrace();
- }
-
- e.printStackTrace();
- return false;
- } catch (KeyManagementException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } 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();
- }
- return true;
- }
-
- /**
- * Downloads a new OpenVPN certificate, attaching authenticated cookie for authenticated certificate.
- *
- * @return true if certificate was downloaded correctly, false if provider.json or danger_on flag are not present in SharedPreferences, or if the certificate url could not be parsed as a URI, or if there was an SSL error.
- */
- private boolean updateVpnCertificate() {
- try {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
-
- String provider_main_url = provider_json.getString(Provider.API_URL);
- URL new_cert_string_url = new URL(provider_main_url + "/" + provider_json.getString(Provider.API_VERSION) + "/" + Constants.CERTIFICATE);
-
- boolean danger_on = preferences.getBoolean(ProviderItem.DANGER_ON, false);
-
-
- String cert_string = downloadWithProviderCA(new_cert_string_url.toString(), danger_on);
-
- if (cert_string.isEmpty() || ConfigHelper.checkErroneousDownload(cert_string))
- return false;
- else
- return loadCertificate(cert_string);
- } catch (JSONException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- } catch (MalformedURLException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- }
- }
-
- private boolean loadCertificate(String cert_string) {
- try {
- // API returns concatenated cert & key. Split them for OpenVPN options
- String certificateString = null, keyString = null;
- String[] certAndKey = cert_string.split("(?<=-\n)");
- for (int i = 0; i < certAndKey.length - 1; i++) {
- if (certAndKey[i].contains("KEY")) {
- keyString = certAndKey[i++] + certAndKey[i];
- } else if (certAndKey[i].contains("CERTIFICATE")) {
- certificateString = certAndKey[i++] + certAndKey[i];
- }
- }
- RSAPrivateKey keyCert = ConfigHelper.parseRsaKeyFromString(keyString);
- keyString = Base64.encodeToString(keyCert.getEncoded(), Base64.DEFAULT);
- preferences.edit().putString(Constants.PRIVATE_KEY, "-----BEGIN RSA PRIVATE KEY-----\n" + keyString + "-----END RSA PRIVATE KEY-----").commit();
-
- X509Certificate certCert = ConfigHelper.parseX509CertificateFromString(certificateString);
- certificateString = Base64.encodeToString(certCert.getEncoded(), Base64.DEFAULT);
-
- preferences.edit().putString(Constants.CERTIFICATE, "-----BEGIN CERTIFICATE-----\n" + certificateString + "-----END CERTIFICATE-----").commit();
-
- return true;
- } catch (CertificateException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- }
- }
}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 67fd0a1a..d751d9f0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -27,10 +27,11 @@
android:maxSdkVersion="18"/>
<uses-sdk
- android:minSdkVersion="14"
+ android:minSdkVersion="16"
android:targetSdkVersion="26"/>
<application
+ android:name=".BitmaskApp"
android:allowBackup="true"
android:icon="@drawable/icon"
android:logo="@drawable/icon"
diff --git a/app/src/main/java/se/leap/bitmaskclient/BitmaskApp.java b/app/src/main/java/se/leap/bitmaskclient/BitmaskApp.java
new file mode 100644
index 00000000..953a559d
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/BitmaskApp.java
@@ -0,0 +1,17 @@
+package se.leap.bitmaskclient;
+
+import android.app.Application;
+
+/**
+ * Created by cyberta on 24.10.17.
+ */
+
+public class BitmaskApp extends Application {
+
+ @Override
+ public void onCreate() {
+ super.onCreate();
+ PRNGFixes.apply();
+ //TODO: add LeakCanary!
+ }
+}
diff --git a/app/src/main/java/se/leap/bitmaskclient/Dashboard.java b/app/src/main/java/se/leap/bitmaskclient/Dashboard.java
index a6a3717b..a47b8767 100644
--- a/app/src/main/java/se/leap/bitmaskclient/Dashboard.java
+++ b/app/src/main/java/se/leap/bitmaskclient/Dashboard.java
@@ -32,24 +32,36 @@
*/
package se.leap.bitmaskclient;
-import android.annotation.*;
-import android.app.*;
-import android.content.*;
-import android.content.pm.PackageManager.*;
-import android.os.*;
-import android.util.*;
-import android.view.*;
-import android.widget.*;
-
-import org.jetbrains.annotations.*;
-import org.json.*;
-
-import java.net.*;
-
-import butterknife.*;
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.FragmentTransaction;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.os.Bundle;
+import android.os.Handler;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.TextView;
+
+import org.jetbrains.annotations.NotNull;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import butterknife.ButterKnife;
+import butterknife.InjectView;
import de.blinkt.openvpn.core.VpnStatus;
-import se.leap.bitmaskclient.eip.*;
-import se.leap.bitmaskclient.userstatus.*;
+import se.leap.bitmaskclient.eip.Constants;
+import se.leap.bitmaskclient.userstatus.SessionDialog;
+import se.leap.bitmaskclient.userstatus.User;
+import se.leap.bitmaskclient.userstatus.UserStatusFragment;
/**
* The main user facing Activity of Bitmask Android, consisting of status, controls,
@@ -99,7 +111,6 @@ public class Dashboard extends Activity implements ProviderAPIResultReceiver.Rec
if (app == null) {
app = this;
- PRNGFixes.apply();
VpnStatus.initLogCache(getApplicationContext().getCacheDir());
handleVersion();
User.init(getString(R.string.default_username));
diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java b/app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java
new file mode 100644
index 00000000..caa48231
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java
@@ -0,0 +1,817 @@
+/**
+ * Copyright (c) 2017 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;
+
+import android.app.IntentService;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.ResultReceiver;
+import android.support.annotation.NonNull;
+import android.util.Base64;
+import android.util.Pair;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.math.BigInteger;
+import java.net.ConnectException;
+import java.net.MalformedURLException;
+import java.net.SocketTimeoutException;
+import java.net.UnknownHostException;
+import java.net.UnknownServiceException;
+import java.security.KeyManagementException;
+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.X509Certificate;
+import java.security.interfaces.RSAPrivateKey;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Scanner;
+
+import javax.net.ssl.SSLHandshakeException;
+
+import okhttp3.CipherSuite;
+import okhttp3.ConnectionSpec;
+import okhttp3.Cookie;
+import okhttp3.CookieJar;
+import okhttp3.HttpUrl;
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+import okhttp3.TlsVersion;
+import se.leap.bitmaskclient.eip.Constants;
+import se.leap.bitmaskclient.userstatus.SessionDialog;
+import se.leap.bitmaskclient.userstatus.User;
+import se.leap.bitmaskclient.userstatus.UserStatus;
+
+import static se.leap.bitmaskclient.R.string.certificate_error;
+import static se.leap.bitmaskclient.R.string.error_io_exception_user_message;
+import static se.leap.bitmaskclient.R.string.error_json_exception_user_message;
+import static se.leap.bitmaskclient.R.string.error_no_such_algorithm_exception_user_message;
+import static se.leap.bitmaskclient.R.string.keyChainAccessError;
+import static se.leap.bitmaskclient.R.string.malformed_url;
+import static se.leap.bitmaskclient.R.string.server_unreachable_message;
+import static se.leap.bitmaskclient.R.string.service_is_down_error;
+
+/**
+ * Implements HTTP api methods used to manage communications with the provider server.
+ * The implemented methods are commonly used by insecure's and production's flavor of ProviderAPI.
+ * <p/>
+ * It's an IntentService because it downloads data from the Internet, so it operates in the background.
+ *
+ * @author parmegv
+ * @author MeanderingCode
+ * @author cyberta
+ */
+
+public abstract class ProviderApiBase extends IntentService {
+
+ final public static String
+ TAG = ProviderAPI.class.getSimpleName(),
+ SET_UP_PROVIDER = "setUpProvider",
+ DOWNLOAD_NEW_PROVIDER_DOTJSON = "downloadNewProviderDotJSON",
+ SIGN_UP = "srpRegister",
+ LOG_IN = "srpAuth",
+ LOG_OUT = "logOut",
+ DOWNLOAD_CERTIFICATE = "downloadUserAuthedCertificate",
+ PARAMETERS = "parameters",
+ RESULT_KEY = "result",
+ RECEIVER_KEY = "receiver",
+ ERRORS = "errors",
+ UPDATE_PROGRESSBAR = "update_progressbar",
+ CURRENT_PROGRESS = "current_progress",
+ DOWNLOAD_EIP_SERVICE = TAG + ".DOWNLOAD_EIP_SERVICE";
+
+ final public static int
+ SUCCESSFUL_LOGIN = 3,
+ FAILED_LOGIN = 4,
+ SUCCESSFUL_SIGNUP = 5,
+ FAILED_SIGNUP = 6,
+ SUCCESSFUL_LOGOUT = 7,
+ LOGOUT_FAILED = 8,
+ CORRECTLY_DOWNLOADED_CERTIFICATE = 9,
+ INCORRECTLY_DOWNLOADED_CERTIFICATE = 10,
+ PROVIDER_OK = 11,
+ PROVIDER_NOK = 12,
+ CORRECTLY_DOWNLOADED_EIP_SERVICE = 13,
+ INCORRECTLY_DOWNLOADED_EIP_SERVICE = 14;
+
+ public static boolean
+ CA_CERT_DOWNLOADED = false,
+ PROVIDER_JSON_DOWNLOADED = false,
+ EIP_SERVICE_JSON_DOWNLOADED = false;
+
+ protected static String last_provider_main_url;
+ protected static boolean go_ahead = true;
+ protected static SharedPreferences preferences;
+ protected static String provider_api_url;
+ protected static String provider_ca_cert_fingerprint;
+ protected Resources resources;
+
+ public static void stop() {
+ go_ahead = false;
+ }
+
+ private final MediaType JSON
+ = MediaType.parse("application/json; charset=utf-8");
+
+ public ProviderApiBase() {
+ super(TAG);
+ }
+
+ @Override
+ public void onCreate() {
+ super.onCreate();
+
+ preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE);
+ resources = getResources();
+ }
+
+ public static String lastProviderMainUrl() {
+ return last_provider_main_url;
+ }
+
+ @Override
+ protected void onHandleIntent(Intent command) {
+ final ResultReceiver receiver = command.getParcelableExtra(RECEIVER_KEY);
+ String action = command.getAction();
+ Bundle parameters = command.getBundleExtra(PARAMETERS);
+
+ if (provider_api_url == null && preferences.contains(Provider.KEY)) {
+ try {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+ provider_api_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION);
+ go_ahead = true;
+ } catch (JSONException e) {
+ go_ahead = false;
+ }
+ }
+
+ if (action.equalsIgnoreCase(SET_UP_PROVIDER)) {
+ Bundle result = setUpProvider(parameters);
+ if (go_ahead) {
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(PROVIDER_OK, result);
+ } else {
+ receiver.send(PROVIDER_NOK, result);
+ }
+ }
+ } else if (action.equalsIgnoreCase(SIGN_UP)) {
+ UserStatus.updateStatus(UserStatus.SessionStatus.SIGNING_UP, resources);
+ Bundle result = tryToRegister(parameters);
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(SUCCESSFUL_SIGNUP, result);
+ } else {
+ receiver.send(FAILED_SIGNUP, result);
+ }
+ } else if (action.equalsIgnoreCase(LOG_IN)) {
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_IN, resources);
+ Bundle result = tryToAuthenticate(parameters);
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(SUCCESSFUL_LOGIN, result);
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_IN, resources);
+ } else {
+ receiver.send(FAILED_LOGIN, result);
+ UserStatus.updateStatus(UserStatus.SessionStatus.NOT_LOGGED_IN, resources);
+ }
+ } else if (action.equalsIgnoreCase(LOG_OUT)) {
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_OUT, resources);
+ if (logOut()) {
+ receiver.send(SUCCESSFUL_LOGOUT, Bundle.EMPTY);
+ UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_OUT, resources);
+ } else {
+ receiver.send(LOGOUT_FAILED, Bundle.EMPTY);
+ UserStatus.updateStatus(UserStatus.SessionStatus.DIDNT_LOG_OUT, resources);
+ }
+ } else if (action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)) {
+ if (updateVpnCertificate()) {
+ receiver.send(CORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
+ } else {
+ receiver.send(INCORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
+ }
+ } else if (action.equalsIgnoreCase(DOWNLOAD_EIP_SERVICE)) {
+ Bundle result = getAndSetEipServiceJson();
+ if (result.getBoolean(RESULT_KEY)) {
+ receiver.send(CORRECTLY_DOWNLOADED_EIP_SERVICE, result);
+ } else {
+ receiver.send(INCORRECTLY_DOWNLOADED_EIP_SERVICE, result);
+ }
+ }
+ }
+
+ protected String formatErrorMessage(final int toastStringId) {
+ return formatErrorMessage(getResources().getString(toastStringId));
+ }
+
+ private String formatErrorMessage(String errorMessage) {
+ return "{ \"" + ERRORS + "\" : \"" + errorMessage + "\" }";
+ }
+
+ private JSONObject getErrorMessageAsJson(final int toastStringId) {
+ try {
+ return new JSONObject(formatErrorMessage(toastStringId));
+ } catch (JSONException e) {
+ e.printStackTrace();
+ return new JSONObject();
+ }
+ }
+
+ private JSONObject getErrorMessageAsJson(String message) {
+ try {
+ return new JSONObject(formatErrorMessage(message));
+ } catch (JSONException e) {
+ e.printStackTrace();
+ return new JSONObject();
+ }
+ }
+ private OkHttpClient initHttpClient(JSONObject initError, boolean isSelfSigned) {
+ try {
+ TLSCompatSocketFactory sslCompatFactory;
+ ConnectionSpec spec = getConnectionSpec();
+ OkHttpClient.Builder clientBuilder = new OkHttpClient.Builder();
+ if (isSelfSigned) {
+ sslCompatFactory = new TLSCompatSocketFactory(preferences.getString(Provider.CA_CERT, ""));
+
+ } else {
+ sslCompatFactory = new TLSCompatSocketFactory();
+ }
+ sslCompatFactory.initSSLSocketFactory(clientBuilder);
+ clientBuilder.cookieJar(getCookieJar())
+ .connectionSpecs(Collections.singletonList(spec));
+ return clientBuilder.build();
+ } catch (IllegalStateException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(String.format(resources.getString(keyChainAccessError), e.getLocalizedMessage()));
+ } catch (KeyStoreException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(String.format(resources.getString(keyChainAccessError), e.getLocalizedMessage()));
+ } catch (KeyManagementException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(String.format(resources.getString(keyChainAccessError), e.getLocalizedMessage()));
+ } catch (NoSuchAlgorithmException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(resources.getString(error_no_such_algorithm_exception_user_message));
+ } catch (CertificateException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(resources.getString(certificate_error));
+ } catch (UnknownHostException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(resources.getString(server_unreachable_message));
+ } catch (IOException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(resources.getString(error_io_exception_user_message));
+ } catch (NoSuchProviderException e) {
+ e.printStackTrace();
+ initError = getErrorMessageAsJson(resources.getString(error_no_such_algorithm_exception_user_message));
+ }
+ return null;
+ }
+
+ protected OkHttpClient initCommercialCAHttpClient(JSONObject initError) {
+ return initHttpClient(initError, false);
+ }
+
+ protected OkHttpClient initSelfSignedCAHttpClient(JSONObject initError) {
+ return initHttpClient(initError, true);
+ }
+
+ @NonNull
+ private ConnectionSpec getConnectionSpec() {
+ ConnectionSpec.Builder connectionSpecbuilder = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
+ .tlsVersions(TlsVersion.TLS_1_2, TlsVersion.TLS_1_3);
+ //FIXME: restrict connection further to the following recommended cipher suites for ALL supported API levels
+ //figure out how to use bcjsse for that purpose
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1)
+ connectionSpecbuilder.cipherSuites(
+ CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+ CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+ CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+ CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+ CipherSuite.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
+ CipherSuite.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
+ );
+ return connectionSpecbuilder.build();
+ }
+
+ @NonNull
+ private CookieJar getCookieJar() {
+ return new CookieJar() {
+ private final HashMap<String, List<Cookie>> cookieStore = new HashMap<>();
+
+ @Override
+ public void saveFromResponse(HttpUrl url, List<Cookie> cookies) {
+ cookieStore.put(url.host(), cookies);
+ }
+
+ @Override
+ public List<Cookie> loadForRequest(HttpUrl url) {
+ List<Cookie> cookies = cookieStore.get(url.host());
+ return cookies != null ? cookies : new ArrayList<Cookie>();
+ }
+ };
+ }
+
+
+ private Bundle tryToRegister(Bundle task) {
+ Bundle result = new Bundle();
+ int progress = 0;
+
+ String username = User.userName();
+ String password = task.getString(SessionDialog.PASSWORD);
+
+ if (validUserLoginData(username, password)) {
+ result = register(username, password);
+ broadcastProgress(progress++);
+ } else {
+ if (!wellFormedPassword(password)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(SessionDialog.USERNAME, username);
+ result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
+ }
+ if (!validUsername(username)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
+ }
+ }
+
+ return result;
+ }
+
+ private Bundle register(String username, String password) {
+ JSONObject stepResult = null;
+ OkHttpClient okHttpClient = initSelfSignedCAHttpClient(stepResult);
+ if (okHttpClient == null) {
+ return authFailedNotification(stepResult, username);
+ }
+
+ LeapSRPSession client = new LeapSRPSession(username, password);
+ byte[] salt = client.calculateNewSalt();
+
+ BigInteger password_verifier = client.calculateV(username, password, salt);
+
+ JSONObject api_result = sendNewUserDataToSRPServer(provider_api_url, username, new BigInteger(1, salt).toString(16), password_verifier.toString(16), okHttpClient);
+
+ Bundle result = new Bundle();
+ if (api_result.has(ERRORS))
+ result = authFailedNotification(api_result, username);
+ else {
+ result.putString(SessionDialog.USERNAME, username);
+ result.putString(SessionDialog.PASSWORD, password);
+ result.putBoolean(RESULT_KEY, true);
+ }
+
+ return result;
+ }
+
+ /**
+ * Starts the authentication process using SRP protocol.
+ *
+ * @param task containing: username, password and api url.
+ * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if authentication was successful.
+ */
+ private Bundle tryToAuthenticate(Bundle task) {
+ Bundle result = new Bundle();
+ int progress = 0;
+
+ String username = User.userName();
+ String password = task.getString(SessionDialog.PASSWORD);
+ if (validUserLoginData(username, password)) {
+ result = authenticate(username, password);
+ broadcastProgress(progress++);
+ } else {
+ if (!wellFormedPassword(password)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(SessionDialog.USERNAME, username);
+ result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
+ }
+ if (!validUsername(username)) {
+ result.putBoolean(RESULT_KEY, false);
+ result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
+ }
+ }
+
+ return result;
+ }
+
+ private Bundle authenticate(String username, String password) {
+ Bundle result = new Bundle();
+ JSONObject stepResult = new JSONObject();
+ OkHttpClient okHttpClient = initSelfSignedCAHttpClient(stepResult);
+ if (okHttpClient == null) {
+ return authFailedNotification(stepResult, username);
+ }
+
+ LeapSRPSession client = new LeapSRPSession(username, password);
+ byte[] A = client.exponential();
+
+ JSONObject step_result = sendAToSRPServer(provider_api_url, username, new BigInteger(1, A).toString(16), okHttpClient);
+ try {
+ String salt = step_result.getString(LeapSRPSession.SALT);
+ byte[] Bbytes = new BigInteger(step_result.getString("B"), 16).toByteArray();
+ byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes);
+ if (M1 != null) {
+ step_result = sendM1ToSRPServer(provider_api_url, username, M1, okHttpClient);
+ setTokenIfAvailable(step_result);
+ byte[] M2 = new BigInteger(step_result.getString(LeapSRPSession.M2), 16).toByteArray();
+ if (client.verify(M2)) {
+ result.putBoolean(RESULT_KEY, true);
+ } else {
+ authFailedNotification(step_result, username);
+ }
+ } else {
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(SessionDialog.USERNAME, username);
+ result.putString(resources.getString(R.string.user_message), resources.getString(R.string.error_srp_math_error_user_message));
+ }
+ } catch (JSONException e) {
+ result = authFailedNotification(step_result, username);
+ e.printStackTrace();
+ }
+
+ return result;
+ }
+
+ private boolean setTokenIfAvailable(JSONObject authentication_step_result) {
+ try {
+ LeapSRPSession.setToken(authentication_step_result.getString(LeapSRPSession.TOKEN));
+ } catch (JSONException e) { //
+ return false;
+ }
+ return true;
+ }
+
+ private Bundle authFailedNotification(JSONObject result, String username) {
+ Bundle userNotificationBundle = new Bundle();
+ Object baseErrorMessage = result.opt(ERRORS);
+ if (baseErrorMessage != null) {
+ if (baseErrorMessage instanceof JSONObject) {
+ try {
+ JSONObject errorMessage = result.getJSONObject(ERRORS);
+ String errorType = errorMessage.keys().next().toString();
+ String message = errorMessage.get(errorType).toString();
+ userNotificationBundle.putString(resources.getString(R.string.user_message), message);
+ } catch (JSONException e) {
+ e.printStackTrace();
+ }
+ } else if (baseErrorMessage instanceof String) {
+ try {
+ String errorMessage = result.getString(ERRORS);
+ userNotificationBundle.putString(resources.getString(R.string.user_message), errorMessage);
+ } catch (JSONException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ if (!username.isEmpty())
+ userNotificationBundle.putString(SessionDialog.USERNAME, username);
+ userNotificationBundle.putBoolean(RESULT_KEY, false);
+
+ return userNotificationBundle;
+ }
+
+ /**
+ * Sets up an intent with the progress value passed as a parameter
+ * and sends it as a broadcast.
+ *
+ * @param progress
+ */
+ protected void broadcastProgress(int progress) {
+ Intent intentUpdate = new Intent();
+ intentUpdate.setAction(UPDATE_PROGRESSBAR);
+ intentUpdate.addCategory(Intent.CATEGORY_DEFAULT);
+ intentUpdate.putExtra(CURRENT_PROGRESS, progress);
+ sendBroadcast(intentUpdate);
+ }
+
+ /**
+ * Validates parameters entered by the user to log in
+ *
+ * @param username
+ * @param password
+ * @return true if both parameters are present and the entered password length is greater or equal to eight (8).
+ */
+ private boolean validUserLoginData(String username, String password) {
+ return validUsername(username) && wellFormedPassword(password);
+ }
+
+ private boolean validUsername(String username) {
+ return username != null && !username.isEmpty();
+ }
+
+ /**
+ * Validates a password
+ *
+ * @param password
+ * @return true if the entered password length is greater or equal to eight (8).
+ */
+ private boolean wellFormedPassword(String password) {
+ return password != null && password.length() >= 8;
+ }
+
+ /**
+ * Sends an HTTP POST request to the authentication server with the SRP Parameter A.
+ *
+ * @param server_url
+ * @param username
+ * @param clientA First SRP parameter sent
+ * @param okHttpClient
+ * @return response from authentication server
+ */
+ private JSONObject sendAToSRPServer(String server_url, String username, String clientA, OkHttpClient okHttpClient) {
+ SrpCredentials srpCredentials = new SrpCredentials(username, clientA);
+ return sendToServer(server_url + "/sessions.json", "POST", srpCredentials.toString(), okHttpClient);
+ }
+
+ /**
+ * Sends an HTTP PUT request to the authentication server with the SRP Parameter M1 (or simply M).
+ *
+ * @param server_url
+ * @param username
+ * @param m1 Second SRP parameter sent
+ * @param okHttpClient
+ * @return response from authentication server
+ */
+ private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1, OkHttpClient okHttpClient) {
+ String m1json = "{\"client_auth\":\"" + new BigInteger(1, ConfigHelper.trim(m1)).toString(16)+ "\"}";
+ return sendToServer(server_url + "/sessions/" + username + ".json", "PUT", m1json, okHttpClient);
+ }
+
+ /**
+ * Sends an HTTP POST request to the api server to register a new user.
+ *
+ * @param server_url
+ * @param username
+ * @param salt
+ * @param password_verifier
+ * @param okHttpClient
+ * @return response from authentication server
+ */
+ private JSONObject sendNewUserDataToSRPServer(String server_url, String username, String salt, String password_verifier, OkHttpClient okHttpClient) {
+ return sendToServer(server_url + "/users.json", "POST", new SrpRegistrationData(username, salt, password_verifier).toString(), okHttpClient);
+ }
+
+ /**
+ * Executes an HTTP request expecting a JSON response.
+ *
+ * @param url
+ * @param request_method
+ * @return response from authentication server
+ */
+ private JSONObject sendToServer(String url, String request_method, String jsonString, OkHttpClient okHttpClient) {
+ return requestJsonFromServer(url, request_method, jsonString, null, okHttpClient);
+ }
+
+ protected String sendGetStringToServer(String url, List<Pair<String, String>> headerArgs, OkHttpClient okHttpClient) {
+ return requestStringFromServer(url, "GET", null, headerArgs, okHttpClient);
+ }
+
+
+
+ private JSONObject requestJsonFromServer(String url, String request_method, String jsonString, List<Pair<String, String>> headerArgs, @NonNull OkHttpClient okHttpClient) {
+ JSONObject responseJson;
+ String plain_response = requestStringFromServer(url, request_method, jsonString, headerArgs, okHttpClient);
+
+ try {
+ responseJson = new JSONObject(plain_response);
+ } catch (JSONException e) {
+ e.printStackTrace();
+ responseJson = getErrorMessageAsJson(error_json_exception_user_message);
+ }
+ return responseJson;
+
+ }
+
+ private String requestStringFromServer(String url, String request_method, String jsonString, List<Pair<String, String>> headerArgs, @NonNull OkHttpClient okHttpClient) {
+ Response response;
+ String plainResponseBody = null;
+
+ RequestBody jsonBody = jsonString != null ? RequestBody.create(JSON, jsonString) : null;
+ Request.Builder requestBuilder = new Request.Builder()
+ .url(url)
+ .method(request_method, jsonBody);
+ if (headerArgs != null) {
+ for (Pair<String, String> keyValPair : headerArgs) {
+ requestBuilder.addHeader(keyValPair.first, keyValPair.second);
+ }
+ }
+ //TODO: move to getHeaderArgs()?
+ String locale = Locale.getDefault().getLanguage() + Locale.getDefault().getCountry();
+ requestBuilder.addHeader("Accept-Language", locale);
+ Request request = requestBuilder.build();
+
+ try {
+ response = okHttpClient.newCall(request).execute();
+
+ InputStream inputStream = response.body().byteStream();
+ Scanner scanner = new Scanner(inputStream).useDelimiter("\\A");
+ if (scanner.hasNext()) {
+ plainResponseBody = scanner.next();
+ }
+
+ } catch (NullPointerException npe) {
+ plainResponseBody = formatErrorMessage(error_json_exception_user_message);
+ } catch (UnknownHostException e) {
+ plainResponseBody = formatErrorMessage(server_unreachable_message);
+ } catch (MalformedURLException e) {
+ plainResponseBody = formatErrorMessage(malformed_url);
+ } catch (SocketTimeoutException e) {
+ plainResponseBody = formatErrorMessage(server_unreachable_message);
+ } catch (SSLHandshakeException e) {
+ plainResponseBody = formatErrorMessage(certificate_error);
+ } catch (ConnectException e) {
+ plainResponseBody = formatErrorMessage(service_is_down_error);
+ } catch (IllegalArgumentException e) {
+ plainResponseBody = formatErrorMessage(error_no_such_algorithm_exception_user_message);
+ } catch (UnknownServiceException e) {
+ //unable to find acceptable protocols - tlsv1.2 not enabled?
+ plainResponseBody = formatErrorMessage(error_no_such_algorithm_exception_user_message);
+ } catch (IOException e) {
+ plainResponseBody = formatErrorMessage(error_io_exception_user_message);
+ }
+
+ return plainResponseBody;
+ }
+
+ /**
+ * Downloads a provider.json from a given URL, adding a new provider using the given name.
+ *
+ * @param task containing a boolean meaning if the provider is custom or not, another boolean meaning if the user completely trusts this provider, the provider name and its provider.json url.
+ * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the update was successful.
+ */
+ protected abstract Bundle setUpProvider(Bundle task);
+
+ /**
+ * Downloads the eip-service.json from a given URL, and saves eip service capabilities including the offered gateways
+ * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the download was successful.
+ */
+ protected abstract Bundle getAndSetEipServiceJson();
+
+ /**
+ * Downloads a new OpenVPN certificate, attaching authenticated cookie for authenticated certificate.
+ *
+ * @return true if certificate was downloaded correctly, false if provider.json is not present in SharedPreferences, or if the certificate url could not be parsed as a URI, or if there was an SSL error.
+ */
+ protected abstract boolean updateVpnCertificate();
+
+
+ protected static boolean caCertDownloaded() {
+ return CA_CERT_DOWNLOADED;
+ }
+
+ protected boolean validCertificate(String cert_string) {
+ boolean result = false;
+ if (!ConfigHelper.checkErroneousDownload(cert_string)) {
+ X509Certificate certificate = ConfigHelper.parseX509CertificateFromString(cert_string);
+ try {
+ if (certificate != null) {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+ String fingerprint = provider_json.getString(Provider.CA_CERT_FINGERPRINT);
+ String encoding = fingerprint.split(":")[0];
+ String expected_fingerprint = fingerprint.split(":")[1];
+ String real_fingerprint = base64toHex(Base64.encodeToString(
+ MessageDigest.getInstance(encoding).digest(certificate.getEncoded()),
+ Base64.DEFAULT));
+
+ result = real_fingerprint.trim().equalsIgnoreCase(expected_fingerprint.trim());
+ } else
+ result = false;
+ } catch (JSONException e) {
+ result = false;
+ } catch (NoSuchAlgorithmException e) {
+ result = false;
+ } catch (CertificateEncodingException e) {
+ result = false;
+ }
+ }
+
+ return result;
+ }
+
+ private String base64toHex(String base64_input) {
+ byte[] byteArray = Base64.decode(base64_input, Base64.DEFAULT);
+ int readBytes = byteArray.length;
+ StringBuffer hexData = new StringBuffer();
+ int onebyte;
+ for (int i = 0; i < readBytes; i++) {
+ onebyte = ((0x000000ff & byteArray[i]) | 0xffffff00);
+ hexData.append(Integer.toHexString(onebyte).substring(6));
+ }
+ return hexData.toString();
+ }
+
+ /**
+ * Interprets the error message as a JSON object and extract the "errors" keyword pair.
+ * If the error message is not a JSON object, then it is returned untouched.
+ *
+ * @param string_json_error_message
+ * @return final error message
+ */
+ protected String pickErrorMessage(String string_json_error_message) {
+ String error_message = "";
+ try {
+ JSONObject json_error_message = new JSONObject(string_json_error_message);
+ error_message = json_error_message.getString(ERRORS);
+ } catch (JSONException e) {
+ // TODO Auto-generated catch block
+ error_message = string_json_error_message;
+ }
+
+ return error_message;
+ }
+
+ @NonNull
+ protected List<Pair<String, String>> getAuthorizationHeader() {
+ List<Pair<String, String>> headerArgs = new ArrayList<>();
+ if (!LeapSRPSession.getToken().isEmpty()) {
+ Pair<String, String> authorizationHeaderPair = new Pair<>(LeapSRPSession.AUTHORIZATION_HEADER, "Token token=" + LeapSRPSession.getToken());
+ headerArgs.add(authorizationHeaderPair);
+ }
+ return headerArgs;
+ }
+
+ private boolean logOut() {
+ OkHttpClient okHttpClient = initSelfSignedCAHttpClient(new JSONObject());
+ if (okHttpClient == null) {
+ return false;
+ }
+
+ String deleteUrl = provider_api_url + "/logout";
+ int progress = 0;
+
+ Request.Builder requestBuilder = new Request.Builder()
+ .url(deleteUrl)
+ .delete();
+ Request request = requestBuilder.build();
+
+ try {
+ Response response = okHttpClient.newCall(request).execute();
+ // v---- was already not authorized
+ if (response.isSuccessful() || response.code() == 401) {
+ broadcastProgress(progress++);
+ LeapSRPSession.setToken("");
+ }
+
+ } catch (IOException e) {
+ return false;
+ }
+ return true;
+ }
+
+ //FIXME: don't save private keys in shared preferences! use the keystore
+ protected boolean loadCertificate(String cert_string) {
+ try {
+ // API returns concatenated cert & key. Split them for OpenVPN options
+ String certificateString = null, keyString = null;
+ String[] certAndKey = cert_string.split("(?<=-\n)");
+ for (int i = 0; i < certAndKey.length - 1; i++) {
+ if (certAndKey[i].contains("KEY")) {
+ keyString = certAndKey[i++] + certAndKey[i];
+ } else if (certAndKey[i].contains("CERTIFICATE")) {
+ certificateString = certAndKey[i++] + certAndKey[i];
+ }
+ }
+
+ RSAPrivateKey key = ConfigHelper.parseRsaKeyFromString(keyString);
+ keyString = Base64.encodeToString(key.getEncoded(), Base64.DEFAULT);
+ preferences.edit().putString(Constants.PRIVATE_KEY, "-----BEGIN RSA PRIVATE KEY-----\n" + keyString + "-----END RSA PRIVATE KEY-----").commit();
+
+ X509Certificate certificate = ConfigHelper.parseX509CertificateFromString(certificateString);
+ certificateString = Base64.encodeToString(certificate.getEncoded(), Base64.DEFAULT);
+ preferences.edit().putString(Constants.VPN_CERTIFICATE, "-----BEGIN CERTIFICATE-----\n" + certificateString + "-----END CERTIFICATE-----").commit();
+ return true;
+ } catch (CertificateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ }
+ }
+}
diff --git a/app/src/main/java/se/leap/bitmaskclient/SrpCredentials.java b/app/src/main/java/se/leap/bitmaskclient/SrpCredentials.java
new file mode 100644
index 00000000..c1815ac5
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/SrpCredentials.java
@@ -0,0 +1,26 @@
+package se.leap.bitmaskclient;
+
+import com.google.gson.Gson;
+
+/**
+ * Created by cyberta on 23.10.17.
+ */
+
+public class SrpCredentials {
+
+ /**
+ * Parameter A of SRP authentication
+ */
+ private String A;
+ private String login;
+
+ public SrpCredentials(String username, String A) {
+ this.login = username;
+ this.A = A;
+ }
+
+ @Override
+ public String toString() {
+ return new Gson().toJson(this);
+ }
+}
diff --git a/app/src/main/java/se/leap/bitmaskclient/SrpRegistrationData.java b/app/src/main/java/se/leap/bitmaskclient/SrpRegistrationData.java
new file mode 100644
index 00000000..d4e00308
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/SrpRegistrationData.java
@@ -0,0 +1,42 @@
+package se.leap.bitmaskclient;
+
+import com.google.gson.Gson;
+
+/**
+ * Created by cyberta on 23.10.17.
+ */
+
+public class SrpRegistrationData {
+
+
+ private User user;
+
+ public SrpRegistrationData(String username, String passwordSalt, String passwordVerifier) {
+ user = new User(username, passwordSalt, passwordVerifier);
+ }
+
+
+ @Override
+ public String toString() {
+ return new Gson().toJson(this);
+ }
+
+
+ public class User {
+
+ String login;
+ String password_salt;
+ String password_verifier;
+
+ public User(String login, String password_salt, String password_verifier) {
+ this.login = login;
+ this.password_salt = password_salt;
+ this.password_verifier = password_verifier;
+ }
+
+ @Override
+ public String toString() {
+ return new Gson().toJson(this);
+ }
+ }
+}
diff --git a/app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java b/app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java
new file mode 100644
index 00000000..76d38447
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/TLSCompatSocketFactory.java
@@ -0,0 +1,157 @@
+package se.leap.bitmaskclient;
+
+import android.text.TextUtils;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.Socket;
+import java.net.UnknownHostException;
+import java.security.KeyManagementException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.cert.CertificateException;
+import java.util.Arrays;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocket;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
+import javax.net.ssl.X509TrustManager;
+
+import okhttp3.OkHttpClient;
+
+/**
+ * Created by cyberta on 24.10.17.
+ * This class ensures that modern TLS algorithms will also be used on old devices (Android 4.1 - Android 4.4.4) in order to avoid
+ * attacks like POODLE.
+ */
+
+public class TLSCompatSocketFactory extends SSLSocketFactory {
+
+ private static final String TAG = TLSCompatSocketFactory.class.getName();
+ private SSLSocketFactory internalSSLSocketFactory;
+ private TrustManager trustManager;
+
+ public TLSCompatSocketFactory(String trustedCaCert) throws KeyManagementException, NoSuchAlgorithmException, CertificateException, KeyStoreException, IOException, NoSuchProviderException {
+ initForSelfSignedCAs(trustedCaCert);
+ }
+
+ public TLSCompatSocketFactory() throws CertificateException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException, NoSuchProviderException, IOException {
+ initForCommercialCAs();
+ }
+
+ public void initSSLSocketFactory(OkHttpClient.Builder builder) throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, KeyManagementException, IllegalStateException {
+ builder.sslSocketFactory(this, (X509TrustManager) trustManager);
+ }
+
+
+ private void initForSelfSignedCAs(String trustedSelfSignedCaCert) throws KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException, IllegalStateException, KeyManagementException, NoSuchProviderException {
+ // Create a KeyStore containing our trusted CAs
+ String defaultType = KeyStore.getDefaultType();
+ KeyStore keyStore = KeyStore.getInstance(defaultType);
+ keyStore.load(null, null);
+ if (!TextUtils.isEmpty(trustedSelfSignedCaCert)) {
+ java.security.cert.Certificate provider_certificate = ConfigHelper.parseX509CertificateFromString(trustedSelfSignedCaCert);
+ keyStore.setCertificateEntry("provider_ca_certificate", provider_certificate);
+ }
+
+ // Create a TrustManager that trusts the CAs in our KeyStore
+ String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
+ TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
+ tmf.init(keyStore);
+
+ // Check if there's only 1 X509Trustmanager -> from okttp3 source code example
+ TrustManager[] trustManagers = tmf.getTrustManagers();
+ if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {
+ throw new IllegalStateException("Unexpected default trust managers:"
+ + Arrays.toString(trustManagers));
+ }
+
+ trustManager = trustManagers[0];
+
+ // Create an SSLContext that uses our TrustManager
+ SSLContext sslContext = SSLContext.getInstance("TLS");
+ sslContext.init(null, tmf.getTrustManagers(), null);
+ internalSSLSocketFactory = sslContext.getSocketFactory();
+
+ }
+
+
+ private void initForCommercialCAs() throws KeyManagementException, NoSuchAlgorithmException, KeyStoreException {
+
+ // Create a TrustManager that trusts the CAs in our KeyStore
+ String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
+ TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
+ tmf.init((KeyStore) null);
+
+ // Check if there's only 1 X509Trustmanager -> from okttp3 source code example
+ TrustManager[] trustManagers = tmf.getTrustManagers();
+ if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {
+ throw new IllegalStateException("Unexpected default trust managers:"
+ + Arrays.toString(trustManagers));
+ }
+
+ trustManager = trustManagers[0];
+
+ SSLContext context = SSLContext.getInstance("TLS");
+ context.init(null, null, null);
+ internalSSLSocketFactory = context.getSocketFactory();
+ }
+
+
+ @Override
+ public String[] getDefaultCipherSuites() {
+ return internalSSLSocketFactory.getDefaultCipherSuites();
+ }
+
+ @Override
+ public String[] getSupportedCipherSuites() {
+ return internalSSLSocketFactory.getSupportedCipherSuites();
+ }
+
+ @Override
+ public Socket createSocket() throws IOException, IllegalArgumentException {
+ return enableTLSOnSocket(internalSSLSocketFactory.createSocket());
+ }
+
+ @Override
+ public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException, IllegalArgumentException {
+ return enableTLSOnSocket(internalSSLSocketFactory.createSocket(s, host, port, autoClose));
+ }
+
+ @Override
+ public Socket createSocket(String host, int port) throws IOException, UnknownHostException, IllegalArgumentException {
+ return enableTLSOnSocket(internalSSLSocketFactory.createSocket(host, port));
+ }
+
+ @Override
+ public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException, UnknownHostException, IllegalArgumentException {
+ return enableTLSOnSocket(internalSSLSocketFactory.createSocket(host, port, localHost, localPort));
+ }
+
+ @Override
+ public Socket createSocket(InetAddress host, int port) throws IOException, IllegalArgumentException {
+ return enableTLSOnSocket(internalSSLSocketFactory.createSocket(host, port));
+ }
+
+ @Override
+ public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException, IllegalArgumentException {
+ return enableTLSOnSocket(internalSSLSocketFactory.createSocket(address, port, localAddress, localPort));
+ }
+
+ private Socket enableTLSOnSocket(Socket socket) throws IllegalArgumentException {
+ if(socket != null && (socket instanceof SSLSocket)) {
+ ((SSLSocket)socket).setEnabledProtocols(new String[] {"TLSv1.2"});
+ //TODO: add a android version check as soon as a new Android API or bcjsse supports TLSv1.3
+ }
+ return socket;
+
+
+ }
+
+
+
+}
diff --git a/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java b/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java
index 8cd9fa0f..c85b0151 100644
--- a/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java
+++ b/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java
@@ -19,6 +19,7 @@ package se.leap.bitmaskclient;
import android.app.*;
import android.content.*;
import android.os.*;
+import android.util.Log;
import android.view.*;
import android.widget.*;
@@ -152,11 +153,15 @@ public class VpnFragment extends Fragment implements Observer {
Bundle bundle = new Bundle();
bundle.putBoolean(IS_PENDING, true);
dashboard.sessionDialog(bundle);
+ } else {
+ Log.d(TAG, "WHAT IS GOING ON HERE?!");
+ // TODO: implement a fallback: check if vpncertificate was not downloaded properly or give
+ // a user feedback. A button that does nothing on click is not a good option
}
}
private boolean canStartEIP() {
- boolean certificateExists = !Dashboard.preferences.getString(Constants.CERTIFICATE, "").isEmpty();
+ boolean certificateExists = !Dashboard.preferences.getString(Constants.VPN_CERTIFICATE, "").isEmpty();
boolean isAllowedAnon = Dashboard.preferences.getBoolean(Constants.ALLOWED_ANON, false);
return (isAllowedAnon || certificateExists) && !eip_status.isConnected() && !eip_status.isConnecting();
}
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/Constants.java b/app/src/main/java/se/leap/bitmaskclient/eip/Constants.java
index 39ad7c08..db1cb4a1 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/Constants.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/Constants.java
@@ -33,7 +33,7 @@ public interface Constants {
public final static String EIP_NOTIFICATION = TAG + ".EIP_NOTIFICATION";
public final static String ALLOWED_ANON = "allow_anonymous";
public final static String ALLOWED_REGISTERED = "allow_registration";
- public final static String CERTIFICATE = "cert";
+ public final static String VPN_CERTIFICATE = "cert";
public final static String PRIVATE_KEY = TAG + ".PRIVATE_KEY";
public final static String KEY = TAG + ".KEY";
public final static String RECEIVER_TAG = TAG + ".RECEIVER_TAG";
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java b/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java
index 73c7337b..28a9bb50 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java
@@ -186,7 +186,7 @@ public final class EIP extends IntentService {
}
private void checkCertValidity() {
- VpnCertificateValidator validator = new VpnCertificateValidator(preferences.getString(CERTIFICATE, ""));
+ VpnCertificateValidator validator = new VpnCertificateValidator(preferences.getString(VPN_CERTIFICATE, ""));
int resultCode = validator.isValid() ?
Activity.RESULT_OK :
Activity.RESULT_CANCELED;
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/GatewaysManager.java b/app/src/main/java/se/leap/bitmaskclient/eip/GatewaysManager.java
index 6a7e3d0b..177f553e 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/GatewaysManager.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/GatewaysManager.java
@@ -124,7 +124,7 @@ public class GatewaysManager {
try {
result.put(Provider.CA_CERT, preferences.getString(Provider.CA_CERT, ""));
result.put(Constants.PRIVATE_KEY, preferences.getString(Constants.PRIVATE_KEY, ""));
- result.put(Constants.CERTIFICATE, preferences.getString(Constants.CERTIFICATE, ""));
+ result.put(Constants.VPN_CERTIFICATE, preferences.getString(Constants.VPN_CERTIFICATE, ""));
} catch (JSONException e) {
e.printStackTrace();
}
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
index 53d81ed3..f428099e 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/VpnConfigGenerator.java
@@ -125,7 +125,7 @@ public class VpnConfigGenerator {
String openvpn_cert =
"<cert>"
+ new_line
- + secrets.getString(Constants.CERTIFICATE)
+ + secrets.getString(Constants.VPN_CERTIFICATE)
+ new_line
+ "</cert>";
diff --git a/app/src/main/java/se/leap/bitmaskclient/userstatus/SessionDialog.java b/app/src/main/java/se/leap/bitmaskclient/userstatus/SessionDialog.java
index 7dbbe059..d124c395 100644
--- a/app/src/main/java/se/leap/bitmaskclient/userstatus/SessionDialog.java
+++ b/app/src/main/java/se/leap/bitmaskclient/userstatus/SessionDialog.java
@@ -23,10 +23,13 @@ import android.view.*;
import android.widget.*;
import butterknife.*;
+import se.leap.bitmaskclient.ProviderAPI;
import se.leap.bitmaskclient.VpnFragment;
import se.leap.bitmaskclient.Provider;
import se.leap.bitmaskclient.R;
+import static android.view.View.VISIBLE;
+
/**
* Implements the log in dialog, currently without progress dialog.
* <p/>
@@ -117,7 +120,7 @@ public class SessionDialog extends DialogFragment {
if (arguments.containsKey(ERRORS.PASSWORD_INVALID_LENGTH.toString()))
password_field.setError(getString(R.string.error_not_valid_password_user_message));
else if (arguments.containsKey(ERRORS.RISEUP_WARNING.toString())) {
- user_message.setVisibility(TextView.VISIBLE);
+ user_message.setVisibility(VISIBLE);
user_message.setText(R.string.login_riseup_warning);
}
if (arguments.containsKey(USERNAME)) {
@@ -129,8 +132,8 @@ public class SessionDialog extends DialogFragment {
}
if (arguments.containsKey(getString(R.string.user_message))) {
user_message.setText(arguments.getString(getString(R.string.user_message)));
- user_message.setVisibility(View.VISIBLE);
- } else if (user_message.getVisibility() != TextView.VISIBLE)
+ user_message.setVisibility(VISIBLE);
+ } else if (user_message.getVisibility() != VISIBLE)
user_message.setVisibility(View.GONE);
if (!username_field.getText().toString().isEmpty() && password_field.isFocusable())
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 7f0670b8..09bac1ef 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -38,7 +38,7 @@
<string name="error_client_http_user_message">Inténtalo de nuevo: error en el cliente HTTP</string>
<string name="error_io_exception_user_message">Inténtalo de nuevo: error de E/S</string>
<string name="error_json_exception_user_message">Inténtalo de nuevo: respuesta mal formada del servidor</string>
- <string name="error_no_such_algorithm_exception_user_message">Actualiza Bitmask</string>
+ <string name="error_no_such_algorithm_exception_user_message">Algoritmo de cifrado no encontrado. Por favor actualice su sistema operativo!</string>
<string name="signup_or_login_button">Registrarse/Iniciar sesión</string>
<string name="login_button">Iniciar sesión</string>
<string name="logout_button">Cerrar sesión</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 06c80f12..b1fce0ad 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -37,7 +37,7 @@
<string name="error_client_http_user_message">Try again: Client HTTP error</string>
<string name="error_io_exception_user_message">Try again: I/O error</string>
<string name="error_json_exception_user_message">Try again: Bad response from the server</string>
- <string name="error_no_such_algorithm_exception_user_message">Update the app</string>
+ <string name="error_no_such_algorithm_exception_user_message">Encryption algorithm not found. Please update your OS!</string>
<string name="signup_or_login_button">Sign Up/Log In</string>
<string name="login_button">Log In</string>
<string name="logout_button">Log Out</string>
diff --git a/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java b/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java
index 61c6b7cf..2e5521b1 100644
--- a/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java
+++ b/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java
@@ -348,7 +348,7 @@ public class ConfigurationWizard extends Activity
* use it anonymously (if possible)
* or cancel his/her election pressing the back button.
*
- * @param view
+ *
*/
private void showProviderDetails() {
if (setting_up_provider) {
@@ -380,8 +380,6 @@ public class ConfigurationWizard extends Activity
/**
* Asks ProviderAPI to download a new provider.json file
*
- * @param provider_name
- * @param provider_main_url
*/
public void setUpProvider() {
Intent provider_API_command = new Intent(this, ProviderAPI.class);
diff --git a/app/src/production/java/se/leap/bitmaskclient/ProviderAPI.java b/app/src/production/java/se/leap/bitmaskclient/ProviderAPI.java
index ff6c0d41..982080de 100644
--- a/app/src/production/java/se/leap/bitmaskclient/ProviderAPI.java
+++ b/app/src/production/java/se/leap/bitmaskclient/ProviderAPI.java
@@ -1,3 +1,4 @@
+
/**
* Copyright (c) 2013 LEAP Encryption Access Project and contributers
*
@@ -16,519 +17,40 @@
*/
package se.leap.bitmaskclient;
-import android.app.IntentService;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.res.Resources;
import android.os.Bundle;
-import android.os.ResultReceiver;
-import android.util.Base64;
+import android.util.Pair;
import org.json.JSONException;
import org.json.JSONObject;
import org.thoughtcrime.ssl.pinning.util.PinningHelper;
-import java.io.DataOutputStream;
-import java.io.FileNotFoundException;
import java.io.IOException;
-import java.io.InputStream;
-import java.io.UnsupportedEncodingException;
-import java.math.BigInteger;
-import java.net.ConnectException;
-import java.net.CookieHandler;
-import java.net.CookieManager;
-import java.net.CookiePolicy;
-import java.net.MalformedURLException;
-import java.net.SocketTimeoutException;
import java.net.URL;
-import java.net.URLConnection;
-import java.net.URLEncoder;
-import java.net.UnknownHostException;
-import java.security.KeyManagementException;
-import java.security.KeyStore;
-import java.security.KeyStoreException;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.security.cert.CertificateEncodingException;
-import java.security.cert.CertificateException;
-import java.security.cert.X509Certificate;
-import java.security.interfaces.RSAPrivateKey;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Locale;
-import java.util.Map;
-import java.util.NoSuchElementException;
+import java.util.List;
import java.util.Scanner;
-import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
-import javax.net.ssl.KeyManager;
-import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLHandshakeException;
-import javax.net.ssl.SSLSession;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.TrustManagerFactory;
-import javax.net.ssl.X509TrustManager;
+import okhttp3.OkHttpClient;
import se.leap.bitmaskclient.eip.Constants;
import se.leap.bitmaskclient.eip.EIP;
-import se.leap.bitmaskclient.userstatus.SessionDialog;
-import se.leap.bitmaskclient.userstatus.User;
-import se.leap.bitmaskclient.userstatus.UserStatus;
+
+import static se.leap.bitmaskclient.R.string.error_io_exception_user_message;
+import static se.leap.bitmaskclient.R.string.malformed_url;
/**
* Implements HTTP api methods used to manage communications with the provider server.
+ * It extends the abstract ProviderApiBase and implements the diverging method calls between the different flavors
+ * of ProviderAPI.
* <p/>
- * It's an IntentService because it downloads data from the Internet, so it operates in the background.
+ * It extends an IntentService because it downloads data from the Internet, so it operates in the background.
*
* @author parmegv
* @author MeanderingCode
+ * @author cyberta
*/
-public class ProviderAPI extends IntentService {
-
- final public static String
- TAG = ProviderAPI.class.getSimpleName(),
- SET_UP_PROVIDER = "setUpProvider",
- DOWNLOAD_NEW_PROVIDER_DOTJSON = "downloadNewProviderDotJSON",
- SIGN_UP = "srpRegister",
- LOG_IN = "srpAuth",
- LOG_OUT = "logOut",
- DOWNLOAD_CERTIFICATE = "downloadUserAuthedCertificate",
- PARAMETERS = "parameters",
- RESULT_KEY = "result",
- RECEIVER_KEY = "receiver",
- ERRORS = "errors",
- UPDATE_PROGRESSBAR = "update_progressbar",
- CURRENT_PROGRESS = "current_progress",
- DOWNLOAD_EIP_SERVICE = TAG + ".DOWNLOAD_EIP_SERVICE";
-
- final public static int
- SUCCESSFUL_LOGIN = 3,
- FAILED_LOGIN = 4,
- SUCCESSFUL_SIGNUP = 5,
- FAILED_SIGNUP = 6,
- SUCCESSFUL_LOGOUT = 7,
- LOGOUT_FAILED = 8,
- CORRECTLY_DOWNLOADED_CERTIFICATE = 9,
- INCORRECTLY_DOWNLOADED_CERTIFICATE = 10,
- PROVIDER_OK = 11,
- PROVIDER_NOK = 12,
- CORRECTLY_DOWNLOADED_EIP_SERVICE = 13,
- INCORRECTLY_DOWNLOADED_EIP_SERVICE = 14;
-
- private static boolean
- CA_CERT_DOWNLOADED = false,
- PROVIDER_JSON_DOWNLOADED = false,
- EIP_SERVICE_JSON_DOWNLOADED = false;
-
- private static String last_provider_main_url;
- private static boolean go_ahead = true;
- private static SharedPreferences preferences;
- private static String provider_api_url;
- private static String provider_ca_cert_fingerprint;
- private Resources resources;
-
- public static void stop() {
- go_ahead = false;
- }
-
- public ProviderAPI() {
- super(TAG);
- }
-
- @Override
- public void onCreate() {
- super.onCreate();
-
- preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE);
- CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER));
- }
-
- public static String lastProviderMainUrl() {
- return last_provider_main_url;
- }
-
- private String formatErrorMessage(final int toast_string_id) {
- return "{ \"" + ERRORS + "\" : \"" + getResources().getString(toast_string_id) + "\" }";
- }
-
- @Override
- protected void onHandleIntent(Intent command) {
- final ResultReceiver receiver = command.getParcelableExtra(RECEIVER_KEY);
- String action = command.getAction();
- Bundle parameters = command.getBundleExtra(PARAMETERS);
-
- if (provider_api_url == null && preferences.contains(Provider.KEY)) {
- try {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
- provider_api_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION);
- go_ahead = true;
- } catch (JSONException e) {
- go_ahead = false;
- }
- }
-
- if (action.equalsIgnoreCase(SET_UP_PROVIDER)) {
- Bundle result = setUpProvider(parameters);
- if (go_ahead) {
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(PROVIDER_OK, result);
- } else {
- receiver.send(PROVIDER_NOK, result);
- }
- }
- } else if (action.equalsIgnoreCase(SIGN_UP)) {
- UserStatus.updateStatus(UserStatus.SessionStatus.SIGNING_UP, resources);
- Bundle result = tryToRegister(parameters);
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(SUCCESSFUL_SIGNUP, result);
- } else {
- receiver.send(FAILED_SIGNUP, result);
- }
- } else if (action.equalsIgnoreCase(LOG_IN)) {
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_IN, resources);
- Bundle result = tryToAuthenticate(parameters);
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(SUCCESSFUL_LOGIN, result);
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_IN, resources);
- } else {
- receiver.send(FAILED_LOGIN, result);
- UserStatus.updateStatus(UserStatus.SessionStatus.NOT_LOGGED_IN, resources);
- }
- } else if (action.equalsIgnoreCase(LOG_OUT)) {
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGING_OUT, resources);
- if (logOut()) {
- receiver.send(SUCCESSFUL_LOGOUT, Bundle.EMPTY);
- UserStatus.updateStatus(UserStatus.SessionStatus.LOGGED_OUT, resources);
- } else {
- receiver.send(LOGOUT_FAILED, Bundle.EMPTY);
- UserStatus.updateStatus(UserStatus.SessionStatus.DIDNT_LOG_OUT, resources);
- }
- } else if (action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)) {
- if (updateVpnCertificate()) {
- receiver.send(CORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
- } else {
- receiver.send(INCORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
- }
- } else if (action.equalsIgnoreCase(DOWNLOAD_EIP_SERVICE)) {
- Bundle result = getAndSetEipServiceJson();
- if (result.getBoolean(RESULT_KEY)) {
- receiver.send(CORRECTLY_DOWNLOADED_EIP_SERVICE, result);
- } else {
- receiver.send(INCORRECTLY_DOWNLOADED_EIP_SERVICE, result);
- }
- }
- }
-
- private Bundle tryToRegister(Bundle task) {
- Bundle result = new Bundle();
- int progress = 0;
-
- String username = User.userName();
- String password = task.getString(SessionDialog.PASSWORD);
-
- if (validUserLoginData(username, password)) {
- result = register(username, password);
- broadcastProgress(progress++);
- } else {
- if (!wellFormedPassword(password)) {
- result.putBoolean(RESULT_KEY, false);
- result.putString(SessionDialog.USERNAME, username);
- result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
- }
- if (!validUsername(username)) {
- result.putBoolean(RESULT_KEY, false);
- result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
- }
- }
-
- return result;
- }
-
- private Bundle register(String username, String password) {
- LeapSRPSession client = new LeapSRPSession(username, password);
- byte[] salt = client.calculateNewSalt();
-
- BigInteger password_verifier = client.calculateV(username, password, salt);
-
- JSONObject api_result = sendNewUserDataToSRPServer(provider_api_url, username, new BigInteger(1, salt).toString(16), password_verifier.toString(16));
-
- Bundle result = new Bundle();
- if (api_result.has(ERRORS))
- result = authFailedNotification(api_result, username);
- else {
- result.putString(SessionDialog.USERNAME, username);
- result.putString(SessionDialog.PASSWORD, password);
- result.putBoolean(RESULT_KEY, true);
- }
-
- return result;
- }
-
- /**
- * Starts the authentication process using SRP protocol.
- *
- * @param task containing: username, password and api url.
- * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if authentication was successful.
- */
- private Bundle tryToAuthenticate(Bundle task) {
- Bundle result = new Bundle();
- int progress = 0;
-
- String username = User.userName();
- String password = task.getString(SessionDialog.PASSWORD);
- if (validUserLoginData(username, password)) {
- result = authenticate(username, password);
- broadcastProgress(progress++);
- } else {
- if (!wellFormedPassword(password)) {
- result.putBoolean(RESULT_KEY, false);
- result.putString(SessionDialog.USERNAME, username);
- result.putBoolean(SessionDialog.ERRORS.PASSWORD_INVALID_LENGTH.toString(), true);
- }
- if (!validUsername(username)) {
- result.putBoolean(RESULT_KEY, false);
- result.putBoolean(SessionDialog.ERRORS.USERNAME_MISSING.toString(), true);
- }
- }
-
- return result;
- }
-
- private Bundle authenticate(String username, String password) {
- Bundle result = new Bundle();
-
- LeapSRPSession client = new LeapSRPSession(username, password);
- byte[] A = client.exponential();
-
- JSONObject step_result = sendAToSRPServer(provider_api_url, username, new BigInteger(1, A).toString(16));
- try {
- String salt = step_result.getString(LeapSRPSession.SALT);
- byte[] Bbytes = new BigInteger(step_result.getString("B"), 16).toByteArray();
- byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes);
- if (M1 != null) {
- step_result = sendM1ToSRPServer(provider_api_url, username, M1);
- setTokenIfAvailable(step_result);
- byte[] M2 = new BigInteger(step_result.getString(LeapSRPSession.M2), 16).toByteArray();
- if (client.verify(M2)) {
- result.putBoolean(RESULT_KEY, true);
- } else {
- authFailedNotification(step_result, username);
- }
- } else {
- result.putBoolean(RESULT_KEY, false);
- result.putString(SessionDialog.USERNAME, username);
- result.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message));
- }
- } catch (JSONException e) {
- result = authFailedNotification(step_result, username);
- e.printStackTrace();
- }
-
- return result;
- }
-
- private boolean setTokenIfAvailable(JSONObject authentication_step_result) {
- try {
- LeapSRPSession.setToken(authentication_step_result.getString(LeapSRPSession.TOKEN));
- CookieHandler.setDefault(null); // we don't need cookies anymore
- } catch (JSONException e) { //
- return false;
- }
- return true;
- }
-
- private Bundle authFailedNotification(JSONObject result, String username) {
- Bundle user_notification_bundle = new Bundle();
- try {
- JSONObject error_message = result.getJSONObject(ERRORS);
- String error_type = error_message.keys().next().toString();
- String message = error_message.get(error_type).toString();
- user_notification_bundle.putString(getResources().getString(R.string.user_message), message);
- } catch (JSONException e) {
- }
-
- if (!username.isEmpty())
- user_notification_bundle.putString(SessionDialog.USERNAME, username);
- user_notification_bundle.putBoolean(RESULT_KEY, false);
-
- return user_notification_bundle;
- }
-
- /**
- * Sets up an intent with the progress value passed as a parameter
- * and sends it as a broadcast.
- *
- * @param progress
- */
- private void broadcastProgress(int progress) {
- Intent intentUpdate = new Intent();
- intentUpdate.setAction(UPDATE_PROGRESSBAR);
- intentUpdate.addCategory(Intent.CATEGORY_DEFAULT);
- intentUpdate.putExtra(CURRENT_PROGRESS, progress);
- sendBroadcast(intentUpdate);
- }
-
- /**
- * Validates parameters entered by the user to log in
- *
- * @param username
- * @param password
- * @return true if both parameters are present and the entered password length is greater or equal to eight (8).
- */
- private boolean validUserLoginData(String username, String password) {
- return validUsername(username) && wellFormedPassword(password);
- }
-
- private boolean validUsername(String username) {
- return username != null && !username.isEmpty();
- }
-
- /**
- * Validates a password
- *
- * @param password
- * @return true if the entered password length is greater or equal to eight (8).
- */
- private boolean wellFormedPassword(String password) {
- return password != null && password.length() >= 8;
- }
-
- /**
- * Sends an HTTP POST request to the authentication server with the SRP Parameter A.
- *
- * @param server_url
- * @param username
- * @param clientA First SRP parameter sent
- * @return response from authentication server
- */
- private JSONObject sendAToSRPServer(String server_url, String username, String clientA) {
- Map<String, String> parameters = new HashMap<String, String>();
- parameters.put("login", username);
- parameters.put("A", clientA);
- return sendToServer(server_url + "/sessions.json", "POST", parameters);
- }
-
- /**
- * Sends an HTTP PUT request to the authentication server with the SRP Parameter M1 (or simply M).
- *
- * @param server_url
- * @param username
- * @param m1 Second SRP parameter sent
- * @return response from authentication server
- */
- private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1) {
- Map<String, String> parameters = new HashMap<String, String>();
- parameters.put("client_auth", new BigInteger(1, ConfigHelper.trim(m1)).toString(16));
- return sendToServer(server_url + "/sessions/" + username + ".json", "PUT", parameters);
- }
-
- /**
- * Sends an HTTP POST request to the api server to register a new user.
- *
- * @param server_url
- * @param username
- * @param salt
- * @param password_verifier
- * @return response from authentication server
- */
- private JSONObject sendNewUserDataToSRPServer(String server_url, String username, String salt, String password_verifier) {
- Map<String, String> parameters = new HashMap<String, String>();
- parameters.put("user[login]", username);
- parameters.put("user[password_salt]", salt);
- parameters.put("user[password_verifier]", password_verifier);
- return sendToServer(server_url + "/users.json", "POST", parameters);
- }
-
- /**
- * Executes an HTTP request expecting a JSON response.
- *
- * @param url
- * @param request_method
- * @param parameters
- * @return response from authentication server
- */
- private JSONObject sendToServer(String url, String request_method, Map<String, String> parameters) {
- JSONObject json_response;
- HttpsURLConnection urlConnection = null;
- try {
- InputStream is = null;
- urlConnection = (HttpsURLConnection) new URL(url).openConnection();
- urlConnection.setRequestMethod(request_method);
- String locale = Locale.getDefault().getLanguage() + Locale.getDefault().getCountry();
- urlConnection.setRequestProperty("Accept-Language", locale);
- urlConnection.setChunkedStreamingMode(0);
- urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
-
- DataOutputStream writer = new DataOutputStream(urlConnection.getOutputStream());
- writer.writeBytes(formatHttpParameters(parameters));
- writer.close();
-
- is = urlConnection.getInputStream();
- String plain_response = new Scanner(is).useDelimiter("\\A").next();
- json_response = new JSONObject(plain_response);
- } catch (IOException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (JSONException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (NoSuchAlgorithmException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (KeyManagementException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (KeyStoreException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- } catch (CertificateException e) {
- json_response = getErrorMessage(urlConnection);
- e.printStackTrace();
- }
-
- return json_response;
- }
-
- private JSONObject getErrorMessage(HttpsURLConnection urlConnection) {
- JSONObject error_message = new JSONObject();
- if (urlConnection != null) {
- InputStream error_stream = urlConnection.getErrorStream();
- if (error_stream != null) {
- String error_response = new Scanner(error_stream).useDelimiter("\\A").next();
- try {
- error_message = new JSONObject(error_response);
- } catch (JSONException e) {
- e.printStackTrace();
- }
- urlConnection.disconnect();
- }
- }
- return error_message;
- }
-
- private String formatHttpParameters(Map<String, String> parameters) throws UnsupportedEncodingException {
- StringBuilder result = new StringBuilder();
- boolean first = true;
-
- Iterator<String> parameter_iterator = parameters.keySet().iterator();
- while (parameter_iterator.hasNext()) {
- if (first)
- first = false;
- else
- result.append("&&");
-
- String key = parameter_iterator.next();
- String value = parameters.get(key);
-
- result.append(URLEncoder.encode(key, "UTF-8"));
- result.append("=");
- result.append(URLEncoder.encode(value, "UTF-8"));
- }
-
- return result.toString();
- }
+public class ProviderAPI extends ProviderApiBase {
/**
* Downloads a provider.json from a given URL, adding a new provider using the given name.
@@ -536,7 +58,8 @@ public class ProviderAPI extends IntentService {
* @param task containing a boolean meaning if the provider is custom or not, another boolean meaning if the user completely trusts this provider, the provider name and its provider.json url.
* @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the update was successful.
*/
- private Bundle setUpProvider(Bundle task) {
+ @Override
+ protected Bundle setUpProvider(Bundle task) {
int progress = 0;
Bundle current_download = new Bundle();
@@ -574,83 +97,11 @@ public class ProviderAPI extends IntentService {
return current_download;
}
- private Bundle downloadCACert() {
- Bundle result = new Bundle();
- try {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
- String ca_cert_url = provider_json.getString(Provider.CA_CERT_URI);
- String cert_string = downloadWithCommercialCA(ca_cert_url);
- result.putBoolean(RESULT_KEY, true);
-
- if (validCertificate(cert_string) && go_ahead) {
- preferences.edit().putString(Provider.CA_CERT, cert_string).commit();
- result.putBoolean(RESULT_KEY, true);
- } else {
- String reason_to_fail = pickErrorMessage(cert_string);
- result.putString(ERRORS, reason_to_fail);
- result.putBoolean(RESULT_KEY, false);
- }
- } catch (JSONException e) {
- String reason_to_fail = formatErrorMessage(R.string.malformed_url);
- result.putString(ERRORS, reason_to_fail);
- result.putBoolean(RESULT_KEY, false);
- }
-
- return result;
- }
-
-
- public static boolean caCertDownloaded() {
- return CA_CERT_DOWNLOADED;
- }
-
- private boolean validCertificate(String cert_string) {
- boolean result = false;
- if (!ConfigHelper.checkErroneousDownload(cert_string)) {
- X509Certificate certificate = ConfigHelper.parseX509CertificateFromString(cert_string);
- try {
- if (certificate != null) {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
- String fingerprint = provider_json.getString(Provider.CA_CERT_FINGERPRINT);
- String encoding = fingerprint.split(":")[0];
- String expected_fingerprint = fingerprint.split(":")[1];
- String real_fingerprint = base64toHex(Base64.encodeToString(
- MessageDigest.getInstance(encoding).digest(certificate.getEncoded()),
- Base64.DEFAULT));
-
- result = real_fingerprint.trim().equalsIgnoreCase(expected_fingerprint.trim());
- } else
- result = false;
- } catch (JSONException e) {
- result = false;
- } catch (NoSuchAlgorithmException e) {
- result = false;
- } catch (CertificateEncodingException e) {
- result = false;
- }
- }
-
- return result;
- }
-
- private String base64toHex(String base64_input) {
- byte[] byteArray = Base64.decode(base64_input, Base64.DEFAULT);
- int readBytes = byteArray.length;
- StringBuffer hexData = new StringBuffer();
- int onebyte;
- for (int i = 0; i < readBytes; i++) {
- onebyte = ((0x000000ff & byteArray[i]) | 0xffffff00);
- hexData.append(Integer.toHexString(onebyte).substring(6));
- }
- return hexData.toString();
- }
-
private Bundle getAndSetProviderJson(String provider_main_url, String provider_ca_cert_fingerprint) {
Bundle result = new Bundle();
if (go_ahead) {
String provider_dot_json_string;
-
if(provider_ca_cert_fingerprint.isEmpty())
provider_dot_json_string = downloadWithCommercialCA(provider_main_url + "/provider.json");
else
@@ -677,7 +128,12 @@ public class ProviderAPI extends IntentService {
return result;
}
- private Bundle getAndSetEipServiceJson() {
+ /**
+ * Downloads the eip-service.json from a given URL, and saves eip service capabilities including the offered gateways
+ * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the download was successful.
+ */
+ @Override
+ protected Bundle getAndSetEipServiceJson() {
Bundle result = new Bundle();
String eip_service_json_string = "";
if (go_ahead) {
@@ -701,25 +157,61 @@ public class ProviderAPI extends IntentService {
}
/**
- * Interprets the error message as a JSON object and extract the "errors" keyword pair.
- * If the error message is not a JSON object, then it is returned untouched.
+ * Downloads a new OpenVPN certificate, attaching authenticated cookie for authenticated certificate.
*
- * @param string_json_error_message
- * @return final error message
+ * @return true if certificate was downloaded correctly, false if provider.json is not present in SharedPreferences, or if the certificate url could not be parsed as a URI, or if there was an SSL error.
*/
- private String pickErrorMessage(String string_json_error_message) {
- String error_message = "";
+ @Override
+ protected boolean updateVpnCertificate() {
try {
- JSONObject json_error_message = new JSONObject(string_json_error_message);
- error_message = json_error_message.getString(ERRORS);
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+
+ String provider_main_url = provider_json.getString(Provider.API_URL);
+ URL new_cert_string_url = new URL(provider_main_url + "/" + provider_json.getString(Provider.API_VERSION) + "/" + Constants.VPN_CERTIFICATE);
+
+ String cert_string = downloadWithProviderCA(new_cert_string_url.toString());
+
+ if (cert_string.isEmpty() || ConfigHelper.checkErroneousDownload(cert_string))
+ return false;
+ else
+ return loadCertificate(cert_string);
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
} catch (JSONException e) {
// TODO Auto-generated catch block
- error_message = string_json_error_message;
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ private Bundle downloadCACert() {
+ Bundle result = new Bundle();
+ try {
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
+ String ca_cert_url = provider_json.getString(Provider.CA_CERT_URI);
+ String cert_string = downloadWithCommercialCA(ca_cert_url);
+ result.putBoolean(RESULT_KEY, true);
+
+ if (validCertificate(cert_string) && go_ahead) {
+ preferences.edit().putString(Provider.CA_CERT, cert_string).commit();
+ result.putBoolean(RESULT_KEY, true);
+ } else {
+ String reason_to_fail = pickErrorMessage(cert_string);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
+ }
+ } catch (JSONException e) {
+ String reason_to_fail = formatErrorMessage(malformed_url);
+ result.putString(ERRORS, reason_to_fail);
+ result.putBoolean(RESULT_KEY, false);
}
- return error_message;
+ return result;
}
+ //TODO: refactor with ticket #8773
private String downloadWithCommercialCA(String url_string, String ca_cert_fingerprint) {
String result = "";
@@ -730,13 +222,13 @@ public class ProviderAPI extends IntentService {
HttpsURLConnection connection = PinningHelper.getPinnedHttpsURLConnection(Dashboard.getContext(), pins, url);
connection.setConnectTimeout(seconds_of_timeout * 1000);
if (!LeapSRPSession.getToken().isEmpty())
- connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token = " + LeapSRPSession.getToken());
+ connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token=" + LeapSRPSession.getToken());
result = new Scanner(connection.getInputStream()).useDelimiter("\\A").next();
} catch (IOException e) {
if(e instanceof SSLHandshakeException)
result = formatErrorMessage(R.string.error_security_pinnedcertificate);
else
- result = formatErrorMessage(R.string.error_io_exception_user_message);
+ result = formatErrorMessage(error_io_exception_user_message);
}
return result;
@@ -748,273 +240,54 @@ public class ProviderAPI extends IntentService {
* @param string_url
* @return
*/
- private String downloadWithCommercialCA(String string_url) {
-
- String json_file_content = "";
-
- URL provider_url = null;
- int seconds_of_timeout = 1;
- try {
- provider_url = new URL(string_url);
- URLConnection url_connection = provider_url.openConnection();
- url_connection.setConnectTimeout(seconds_of_timeout * 1000);
- if (!LeapSRPSession.getToken().isEmpty())
- url_connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token = " + LeapSRPSession.getToken());
- json_file_content = new Scanner(url_connection.getInputStream()).useDelimiter("\\A").next();
- } catch (MalformedURLException e) {
- json_file_content = formatErrorMessage(R.string.malformed_url);
- } catch (SocketTimeoutException e) {
- e.printStackTrace();
- json_file_content = formatErrorMessage(R.string.server_unreachable_message);
- } catch (SSLHandshakeException e) {
- if (provider_url != null) {
- json_file_content = downloadWithProviderCA(string_url);
- } else {
- json_file_content = formatErrorMessage(R.string.certificate_error);
- }
- } catch (ConnectException e) {
- json_file_content = formatErrorMessage(R.string.service_is_down_error);
- } catch (FileNotFoundException e) {
- json_file_content = formatErrorMessage(R.string.malformed_url);
- } catch (Exception e) {
- e.printStackTrace();
- if (provider_url != null) {
- json_file_content = downloadWithProviderCA(string_url);
- }
- }
-
- return json_file_content;
- }
-
- /**
- * Tries to download the contents of the provided url using not commercially validated CA certificate from chosen provider.
- *
- * @param url_string as a string
- * @return an empty string if it fails, the url content if not.
- */
- private String downloadWithProviderCA(String url_string) {
- String json_file_content = "";
-
- try {
- URL url = new URL(url_string);
- // Tell the URLConnection to use a SocketFactory from our SSLContext
- HttpsURLConnection urlConnection =
- (HttpsURLConnection) url.openConnection();
- urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
- if (!LeapSRPSession.getToken().isEmpty())
- urlConnection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token=" + LeapSRPSession.getToken());
- json_file_content = new Scanner(urlConnection.getInputStream()).useDelimiter("\\A").next();
- } catch (CertificateException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (UnknownHostException e) {
- e.printStackTrace();
- json_file_content = formatErrorMessage(R.string.server_unreachable_message);
- } catch (IOException e) {
- // The downloaded certificate doesn't validate our https connection.
- json_file_content = formatErrorMessage(R.string.certificate_error);
- } catch (KeyStoreException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (NoSuchAlgorithmException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (KeyManagementException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (NoSuchElementException e) {
- e.printStackTrace();
- json_file_content = formatErrorMessage(R.string.server_unreachable_message);
- }
- return json_file_content;
- }
-
- private javax.net.ssl.SSLSocketFactory getProviderSSLSocketFactory() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, KeyManagementException {
- String provider_cert_string = preferences.getString(Provider.CA_CERT, "");
-
- java.security.cert.Certificate provider_certificate = ConfigHelper.parseX509CertificateFromString(provider_cert_string);
-
- // Create a KeyStore containing our trusted CAs
- String keyStoreType = KeyStore.getDefaultType();
- KeyStore keyStore = KeyStore.getInstance(keyStoreType);
- keyStore.load(null, null);
- keyStore.setCertificateEntry("provider_ca_certificate", provider_certificate);
-
- // Create a TrustManager that trusts the CAs in our KeyStore
- String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm();
- TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
- tmf.init(keyStore);
-
- // Create an SSLContext that uses our TrustManager
- SSLContext context = SSLContext.getInstance("TLS");
- context.init(null, tmf.getTrustManagers(), null);
-
- return context.getSocketFactory();
- }
-
- /**
- * Downloads the string that's in the url with any certificate.
- */
- private String downloadWithoutCA(String url_string) {
- String string = "";
- try {
-
- HostnameVerifier hostnameVerifier = new HostnameVerifier() {
- @Override
- public boolean verify(String hostname, SSLSession session) {
- return true;
- }
- };
-
- class DefaultTrustManager implements X509TrustManager {
-
- @Override
- public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
- }
-
- @Override
- public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
- }
-
- @Override
- public X509Certificate[] getAcceptedIssuers() {
- return null;
- }
- }
+ protected String downloadWithCommercialCA(String string_url) {
+ String responseString;
+ JSONObject errorJson = new JSONObject();
- SSLContext context = SSLContext.getInstance("TLS");
- context.init(new KeyManager[0], new TrustManager[]{new DefaultTrustManager()}, new SecureRandom());
-
- URL url = new URL(url_string);
- HttpsURLConnection urlConnection = (HttpsURLConnection) url.openConnection();
- urlConnection.setSSLSocketFactory(context.getSocketFactory());
- urlConnection.setHostnameVerifier(hostnameVerifier);
- string = new Scanner(urlConnection.getInputStream()).useDelimiter("\\A").next();
- System.out.println("String ignoring certificate = " + string);
- } catch (FileNotFoundException e) {
- e.printStackTrace();
- string = formatErrorMessage(R.string.malformed_url);
- } catch (IOException e) {
- // The downloaded certificate doesn't validate our https connection.
- e.printStackTrace();
- string = formatErrorMessage(R.string.certificate_error);
- } catch (NoSuchAlgorithmException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (KeyManagementException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
+ OkHttpClient okHttpClient = initCommercialCAHttpClient(errorJson);
+ if (okHttpClient == null) {
+ return errorJson.toString();
}
- return string;
- }
- private boolean logOut() {
- String delete_url = provider_api_url + "/logout";
+ List<Pair<String, String>> headerArgs = getAuthorizationHeader();
- HttpsURLConnection urlConnection = null;
- int responseCode = 0;
- int progress = 0;
- try {
+ responseString = sendGetStringToServer(string_url, headerArgs, okHttpClient);
- urlConnection = (HttpsURLConnection) new URL(delete_url).openConnection();
- urlConnection.setRequestMethod("DELETE");
- urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory());
-
- responseCode = urlConnection.getResponseCode();
- broadcastProgress(progress++);
- LeapSRPSession.setToken("");
- } catch (IndexOutOfBoundsException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- } catch (IOException e) {
- // TODO Auto-generated catch block
+ if (responseString.contains(ERRORS)) {
try {
- if (urlConnection != null) {
- responseCode = urlConnection.getResponseCode();
- if (responseCode == 401) {
- broadcastProgress(progress++);
- LeapSRPSession.setToken("");
- return true;
- }
+ // try to download with provider CA on certificate error
+ JSONObject responseErrorJson = new JSONObject(responseString);
+ if (responseErrorJson.getString(ERRORS).equals(getString(R.string.certificate_error))) {
+ responseString = downloadWithProviderCA(string_url);
}
- } catch (IOException e1) {
- e1.printStackTrace();
+ } catch (JSONException e) {
+ e.printStackTrace();
}
-
- e.printStackTrace();
- return false;
- } catch (KeyManagementException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } 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();
}
- return true;
+
+ return responseString;
}
/**
- * Downloads a new OpenVPN certificate, attaching authenticated cookie for authenticated certificate.
+ * Tries to download the contents of the provided url using not commercially validated CA certificate from chosen provider.
*
- * @return true if certificate was downloaded correctly, false if provider.json is not present in SharedPreferences, or if the certificate url could not be parsed as a URI, or if there was an SSL error.
+ * @param urlString as a string
+ * @return an empty string if it fails, the url content if not.
*/
- private boolean updateVpnCertificate() {
- try {
- JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
-
- String provider_main_url = provider_json.getString(Provider.API_URL);
- URL new_cert_string_url = new URL(provider_main_url + "/" + provider_json.getString(Provider.API_VERSION) + "/" + Constants.CERTIFICATE);
+ protected String downloadWithProviderCA(String urlString) {
+ JSONObject initError = new JSONObject();
+ String responseString;
- String cert_string = downloadWithProviderCA(new_cert_string_url.toString());
-
- if (cert_string.isEmpty() || ConfigHelper.checkErroneousDownload(cert_string))
- return false;
- else
- return loadCertificate(cert_string);
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- } catch (JSONException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
+ OkHttpClient okHttpClient = initSelfSignedCAHttpClient(initError);
+ if (okHttpClient == null) {
+ return initError.toString();
}
- }
- //FIXME: don't save private keys in shared preferences! use the keystore
- private boolean loadCertificate(String cert_string) {
- try {
- // API returns concatenated cert & key. Split them for OpenVPN options
- String certificateString = null, keyString = null;
- String[] certAndKey = cert_string.split("(?<=-\n)");
- for (int i = 0; i < certAndKey.length - 1; i++) {
- if (certAndKey[i].contains("KEY")) {
- keyString = certAndKey[i++] + certAndKey[i];
- } else if (certAndKey[i].contains("CERTIFICATE")) {
- certificateString = certAndKey[i++] + certAndKey[i];
- }
- }
+ List<Pair<String, String>> headerArgs = getAuthorizationHeader();
- RSAPrivateKey key = ConfigHelper.parseRsaKeyFromString(keyString);
- keyString = Base64.encodeToString(key.getEncoded(), Base64.DEFAULT);
- preferences.edit().putString(Constants.PRIVATE_KEY, "-----BEGIN RSA PRIVATE KEY-----\n" + keyString + "-----END RSA PRIVATE KEY-----").commit();
+ responseString = sendGetStringToServer(urlString, headerArgs, okHttpClient);
- X509Certificate certificate = ConfigHelper.parseX509CertificateFromString(certificateString);
- certificateString = Base64.encodeToString(certificate.getEncoded(), Base64.DEFAULT);
- preferences.edit().putString(Constants.CERTIFICATE, "-----BEGIN CERTIFICATE-----\n" + certificateString + "-----END CERTIFICATE-----").commit();
- return true;
- } catch (CertificateException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- }
+ return responseString;
}
+
}
diff --git a/app/src/test/java/se/leap/bitmaskclient/eip/GatewaysManagerTest.java b/app/src/test/java/se/leap/bitmaskclient/eip/GatewaysManagerTest.java
index e6a67392..833346fa 100644
--- a/app/src/test/java/se/leap/bitmaskclient/eip/GatewaysManagerTest.java
+++ b/app/src/test/java/se/leap/bitmaskclient/eip/GatewaysManagerTest.java
@@ -44,7 +44,7 @@ public class GatewaysManagerTest {
when(sharedPreferences.getString(eq(Constants.PRIVATE_KEY), anyString())).thenReturn(secrets.getString(Constants.PRIVATE_KEY));
when(sharedPreferences.getString(eq(Provider.CA_CERT), anyString())).thenReturn(secrets.getString(Provider.CA_CERT));
- when(sharedPreferences.getString(eq(Constants.CERTIFICATE), anyString())).thenReturn(secrets.getString(Constants.CERTIFICATE));
+ when(sharedPreferences.getString(eq(Constants.VPN_CERTIFICATE), anyString())).thenReturn(secrets.getString(Constants.VPN_CERTIFICATE));
when(mockContext.getSharedPreferences(anyString(), anyInt())).thenReturn(sharedPreferences);