diff options
author | Parménides GV <parmegv@sdf.org> | 2014-05-15 12:34:34 +0200 |
---|---|---|
committer | Parménides GV <parmegv@sdf.org> | 2014-05-15 12:34:34 +0200 |
commit | 9f6cfff38ae87922adc022300e1e2fd1c0d4c3e4 (patch) | |
tree | 43dbe268228df0638d978263e76f64b1b21f518a /app/src/release/java/se/leap | |
parent | dec816eecc8375d9f031a4b59753302e8ab9b16c (diff) | |
parent | cfe67bfd8260253ce9288225b9e26f666d27133f (diff) |
Merge branch 'develop'
Diffstat (limited to 'app/src/release/java/se/leap')
-rw-r--r-- | app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java | 326 |
1 files changed, 205 insertions, 121 deletions
diff --git a/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java b/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java index 150b27b2..6d1ff879 100644 --- a/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java +++ b/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java @@ -167,6 +167,13 @@ public class ProviderAPI extends IntentService { receiver.send(PROVIDER_NOK, result); } } + } else if (action.equalsIgnoreCase(SRP_REGISTER)) { + Bundle session_id_bundle = registerWithSRP(parameters); + if(session_id_bundle.getBoolean(RESULT_KEY)) { + receiver.send(SRP_REGISTRATION_SUCCESSFUL, session_id_bundle); + } else { + receiver.send(SRP_REGISTRATION_FAILED, session_id_bundle); + } } else if (action.equalsIgnoreCase(SRP_AUTH)) { Bundle session_id_bundle = authenticateBySRP(parameters); if(session_id_bundle.getBoolean(RESULT_KEY)) { @@ -188,6 +195,47 @@ public class ProviderAPI extends IntentService { } } } + + private Bundle registerWithSRP(Bundle task) { + Bundle session_id_bundle = new Bundle(); + int progress = 0; + + String username = (String) task.get(LogInDialog.USERNAME); + String password = (String) task.get(LogInDialog.PASSWORD); + String authentication_server = (String) task.get(Provider.API_URL); + if(validUserLoginData(username, password)) { + + SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), ConfigHelper.G.toByteArray(), BigInteger.ZERO.toByteArray(), "SHA-256"); + LeapSRPSession client = new LeapSRPSession(username, password, params); + byte[] salt = ConfigHelper.trim(client.calculateNewSalt()); + // byte[] salted_password = client.calculatePasswordHash(username, password, salt); + /* Calculate password verifier */ + BigInteger password_verifier = client.calculateV(username, password, salt); + /* Send to the server */ + JSONObject result = sendNewUserDataToSRPServer(authentication_server, username, new BigInteger(1, salt).toString(16), password_verifier.toString(16)); + if(result.has(ERRORS)) + session_id_bundle = authFailedNotification(result, username); + else { + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putString(LogInDialog.PASSWORD, password); + session_id_bundle.putBoolean(RESULT_KEY, true); + } + Log.d(TAG, result.toString()); + broadcast_progress(progress++); + } else { + if(!wellFormedPassword(password)) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putBoolean(LogInDialog.PASSWORD_INVALID_LENGTH, true); + } + if(username.isEmpty()) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putBoolean(LogInDialog.USERNAME_MISSING, true); + } + } + + return session_id_bundle; + } /** * Starts the authentication process using SRP protocol. @@ -196,88 +244,87 @@ public class ProviderAPI extends IntentService { * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if authentication was successful. */ private Bundle authenticateBySRP(Bundle task) { - Bundle session_id_bundle = new Bundle(); - int progress = 0; + Bundle session_id_bundle = new Bundle(); + int progress = 0; - String username = (String) task.get(LogInDialog.USERNAME); - String password = (String) task.get(LogInDialog.PASSWORD); - if(validUserLoginData(username, password)) { + String username = (String) task.get(LogInDialog.USERNAME); + String password = (String) task.get(LogInDialog.PASSWORD); + if(validUserLoginData(username, password)) { - String authentication_server = (String) task.get(Provider.API_URL); - - SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), ConfigHelper.G.toByteArray(), BigInteger.ZERO.toByteArray(), "SHA-256"); - LeapSRPSession client = new LeapSRPSession(username, password, params); - byte[] A = client.exponential(); + String authentication_server = (String) task.get(Provider.API_URL); + JSONObject authentication_step_result = new JSONObject(); + + SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), ConfigHelper.G.toByteArray(), BigInteger.ZERO.toByteArray(), "SHA-256"); + LeapSRPSession client = new LeapSRPSession(username, password, params); + byte[] A = client.exponential(); + broadcast_progress(progress++); + authentication_step_result = sendAToSRPServer(authentication_server, username, new BigInteger(1, A).toString(16)); + try { + String salt = authentication_step_result.getString(LeapSRPSession.SALT); + broadcast_progress(progress++); + byte[] Bbytes = new BigInteger(authentication_step_result.getString("B"), 16).toByteArray(); + byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes); + if(M1 != null) { broadcast_progress(progress++); - try { - JSONObject saltAndB = sendAToSRPServer(authentication_server, username, new BigInteger(1, A).toString(16)); - if(saltAndB.length() > 0) { - String salt = saltAndB.getString(LeapSRPSession.SALT); - broadcast_progress(progress++); - byte[] Bbytes = new BigInteger(saltAndB.getString("B"), 16).toByteArray(); - byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes); - if(M1 != null) { - broadcast_progress(progress++); - JSONObject session_idAndM2 = sendM1ToSRPServer(authentication_server, username, M1); - if(session_idAndM2.has(LeapSRPSession.M2) && client.verify((byte[])session_idAndM2.get(LeapSRPSession.M2))) { - session_id_bundle.putBoolean(RESULT_KEY, true); - broadcast_progress(progress++); - } else { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_bad_user_password_user_message)); - session_id_bundle.putString(LogInDialog.USERNAME, username); - } - } else { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putString(LogInDialog.USERNAME, username); - session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message)); - } - broadcast_progress(progress++); - } else { - session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_bad_user_password_user_message)); - session_id_bundle.putString(LogInDialog.USERNAME, username); - session_id_bundle.putBoolean(RESULT_KEY, false); - } - } catch (ClientProtocolException e) { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_client_http_user_message)); - session_id_bundle.putString(LogInDialog.USERNAME, username); - } catch (IOException e) { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_io_exception_user_message)); - session_id_bundle.putString(LogInDialog.USERNAME, username); - } catch (JSONException e) { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_json_exception_user_message)); - session_id_bundle.putString(LogInDialog.USERNAME, username); - } catch (NoSuchAlgorithmException e) { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_no_such_algorithm_exception_user_message)); - session_id_bundle.putString(LogInDialog.USERNAME, username); - } catch (KeyManagementException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (KeyStoreException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (CertificateException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - } else { - if(!wellFormedPassword(password)) { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putString(LogInDialog.USERNAME, username); - session_id_bundle.putBoolean(LogInDialog.PASSWORD_INVALID_LENGTH, true); - } - if(username.isEmpty()) { - session_id_bundle.putBoolean(RESULT_KEY, false); - session_id_bundle.putBoolean(LogInDialog.USERNAME_MISSING, true); + authentication_step_result = sendM1ToSRPServer(authentication_server, username, M1); + setTokenIfAvailable(authentication_step_result); + byte[] M2 = new BigInteger(authentication_step_result.getString(LeapSRPSession.M2), 16).toByteArray(); + if(client.verify(M2)) { + session_id_bundle.putBoolean(RESULT_KEY, true); + broadcast_progress(progress++); + } else { + authFailedNotification(authentication_step_result, username); } + } else { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message)); + } + } catch (JSONException e) { + session_id_bundle = authFailedNotification(authentication_step_result, username); + e.printStackTrace(); + } + broadcast_progress(progress++); + } else { + if(!wellFormedPassword(password)) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putBoolean(LogInDialog.PASSWORD_INVALID_LENGTH, true); } + if(username.isEmpty()) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putBoolean(LogInDialog.USERNAME_MISSING, true); + } + } - return session_id_bundle; + return session_id_bundle; + } + + 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(LogInDialog.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 @@ -325,14 +372,11 @@ public class ProviderAPI extends IntentService { * @throws KeyStoreException * @throws KeyManagementException */ - private JSONObject sendAToSRPServer(String server_url, String username, String clientA) throws ClientProtocolException, IOException, JSONException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + 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); - - /*HttpPost post = new HttpPost(server_url + "/sessions.json" + "?" + "login=" + username + "&&" + "A=" + clientA); - return sendToServer(post);*/ } /** @@ -349,26 +393,36 @@ public class ProviderAPI extends IntentService { * @throws KeyStoreException * @throws KeyManagementException */ - private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1) throws ClientProtocolException, IOException, JSONException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + 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)); - - //HttpPut put = new HttpPut(server_url + "/sessions/" + username +".json" + "?" + "client_auth" + "=" + new BigInteger(1, ConfigHelper.trim(m1)).toString(16)); - JSONObject json_response = sendToServer(server_url + "/sessions/" + username +".json", "PUT", parameters); - - JSONObject session_idAndM2 = new JSONObject(); - if(json_response.length() > 0) { - byte[] M2_not_trimmed = new BigInteger(json_response.getString(LeapSRPSession.M2), 16).toByteArray(); - /*Cookie session_id_cookie = LeapHttpClient.getInstance(getApplicationContext()).getCookieStore().getCookies().get(0); - session_idAndM2.put(ConfigHelper.SESSION_ID_COOKIE_KEY, session_id_cookie.getName()); - session_idAndM2.put(ConfigHelper.SESSION_ID_KEY, session_id_cookie.getValue());*/ - session_idAndM2.put(LeapSRPSession.M2, ConfigHelper.trim(M2_not_trimmed)); - CookieHandler.setDefault(null); // we don't need cookies anymore - String token = json_response.getString(LeapSRPSession.TOKEN); - LeapSRPSession.setToken(token); - } - return session_idAndM2; + 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 salted_password + * @param password_verifier + * @return response from authentication server + * @throws ClientProtocolException + * @throws IOException + * @throws JSONException + * @throws CertificateException + * @throws NoSuchAlgorithmException + * @throws KeyStoreException + * @throws KeyManagementException + */ + 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); + Log.d(TAG, server_url); + Log.d(TAG, parameters.toString()); + return sendToServer(server_url + "/users", "POST", parameters); + } /** * Executes an HTTP request expecting a JSON response. @@ -384,38 +438,68 @@ public class ProviderAPI extends IntentService { * @throws KeyStoreException * @throws KeyManagementException */ - private JSONObject sendToServer(String url, String request_method, Map<String, String> parameters) throws JSONException, MalformedURLException, IOException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { - JSONObject json_response; + private JSONObject sendToServer(String url, String request_method, Map<String, String> parameters) { + JSONObject json_response; + HttpsURLConnection urlConnection = null; + try { InputStream is = null; - HttpsURLConnection urlConnection = (HttpsURLConnection)new URL(url).openConnection(); + urlConnection = (HttpsURLConnection)new URL(url).openConnection(); urlConnection.setRequestMethod(request_method); 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 (ClientProtocolException e) { + json_response = getErrorMessage(urlConnection); + e.printStackTrace(); + } 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(); + Log.d("Error", error_response); try { - - 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); - } finally { - InputStream error_stream = urlConnection.getErrorStream(); - if(error_stream != null) { - String error_response = new Scanner(error_stream).useDelimiter("\\A").next(); - urlConnection.disconnect(); - Log.d("Error", error_response); - json_response = new JSONObject(error_response); - if(!json_response.isNull(ERRORS) || json_response.has(ERRORS)) { - return new JSONObject(); - } - } + error_message = new JSONObject(error_response); + } catch (JSONException e) { + Log.d(TAG, e.getMessage()); + e.printStackTrace(); } - - return json_response; + urlConnection.disconnect(); + } } - + return error_message; + } + private String formatHttpParameters(Map<String, String> parameters) throws UnsupportedEncodingException { StringBuilder result = new StringBuilder(); boolean first = true; |