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-rw-r--r--app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java4
-rw-r--r--app/src/production/java/se/leap/bitmaskclient/ProviderAPI.java860
2 files changed, 63 insertions, 801 deletions
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 08748f97..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
*
@@ -16,15 +17,7 @@
*/
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;
@@ -32,634 +25,32 @@ import org.json.JSONObject;
import org.thoughtcrime.ssl.pinning.util.PinningHelper;
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.URL;
-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.HttpsURLConnection;
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.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.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.
+ * 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;
- }
-
- private final MediaType JSON
- = MediaType.parse("application/json; charset=utf-8");
-
- public ProviderAPI() {
- 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);
- }
- }
- }
-
- private 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;
- }
- private OkHttpClient initCommercialCAHttpClient(JSONObject initError) {
- return initHttpClient(initError, false);
- }
-
- private 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
- */
- 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
- * @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);
- }
-
- private 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;
- }
+public class ProviderAPI extends ProviderApiBase {
/**
* Downloads a provider.json from a given URL, adding a new provider using the given name.
@@ -667,7 +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();
@@ -705,77 +97,6 @@ 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(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();
@@ -807,7 +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) {
@@ -831,23 +157,58 @@ 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
@@ -861,7 +222,7 @@ 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)
@@ -879,8 +240,7 @@ public class ProviderAPI extends IntentService {
* @param string_url
* @return
*/
- private String downloadWithCommercialCA(String string_url) {
-
+ protected String downloadWithCommercialCA(String string_url) {
String responseString;
JSONObject errorJson = new JSONObject();
@@ -908,24 +268,13 @@ public class ProviderAPI extends IntentService {
return responseString;
}
-
- @NonNull
- private 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;
- }
-
/**
* Tries to download the contents of the provided url using not commercially validated CA certificate from chosen provider.
*
* @param urlString as a string
* @return an empty string if it fails, the url content if not.
*/
- private String downloadWithProviderCA(String urlString) {
+ protected String downloadWithProviderCA(String urlString) {
JSONObject initError = new JSONObject();
String responseString;
@@ -941,89 +290,4 @@ public class ProviderAPI extends IntentService {
return responseString;
}
- 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;
- }
-
- /**
- * 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.
- */
- 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.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
- e.printStackTrace();
- return false;
- }
- }
-
- //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];
- }
- }
-
- 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;
- }
- }
}