ProviderAPI broadcasts progress for log in process

Login progress bar advances according to the srp stages.

3 files changed, 54 insertions, 9 deletions

diff --git a/src/se/leap/bitmaskclient/ConfigHelper.java b/src/se/leap/bitmaskclient/ConfigHelper.java
index 97a62bb2..a29ff301 100644
--- a/src/se/leap/bitmaskclient/ConfigHelper.java
+++ b/src/se/leap/bitmaskclient/ConfigHelper.java
@@ -50,6 +50,7 @@ public class ConfigHelper {
     
     public static SharedPreferences shared_preferences;
     private static KeyStore keystore_trusted;
+
     final public static String NG_1024 =
     		"eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3";
     final public static BigInteger G = new BigInteger("2");
diff --git a/src/se/leap/bitmaskclient/Dashboard.java b/src/se/leap/bitmaskclient/Dashboard.java
index 7b47c667..0e6cb657 100644
--- a/src/se/leap/bitmaskclient/Dashboard.java
+++ b/src/se/leap/bitmaskclient/Dashboard.java
@@ -31,9 +31,11 @@ import android.app.Fragment;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.app.ProgressDialog;
+import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.os.Handler;
@@ -66,6 +68,7 @@ public class Dashboard extends Activity implements LogInDialog.LogInDialogInterf
 
 	private ProgressDialog mProgressDialog;
 	private ProgressBar mProgressBar;
+	private ProviderAPIBroadcastReceiver_Update providerAPI_broadcast_receiver_update;
 	private static Context app;
 	private static SharedPreferences preferences;
 	private static Provider provider;
@@ -85,6 +88,11 @@ public class Dashboard extends Activity implements LogInDialog.LogInDialogInterf
 		PRNGFixes.apply();
 	    mProgressBar = (ProgressBar) findViewById(R.id.progressbar_dashboard);
 
+	    providerAPI_broadcast_receiver_update = new ProviderAPIBroadcastReceiver_Update();
+	    IntentFilter update_intent_filter = new IntentFilter(ProviderAPI.UPDATE_ACTION);
+	    update_intent_filter.addCategory(Intent.CATEGORY_DEFAULT);
+	    registerReceiver(providerAPI_broadcast_receiver_update, update_intent_filter);
+	    
 		ConfigHelper.setSharedPreferences(getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE));
 		preferences = ConfigHelper.shared_preferences;
 		
@@ -94,6 +102,12 @@ public class Dashboard extends Activity implements LogInDialog.LogInDialogInterf
 		else
 			buildDashboard();
 	}
+
+	@Override
+	protected void onDestroy() {
+		super.onDestroy();
+		unregisterReceiver(providerAPI_broadcast_receiver_update);
+	}
 	
 	@Override
 	protected void onActivityResult(int requestCode, int resultCode, Intent data){
@@ -375,5 +389,13 @@ public class Dashboard extends Activity implements LogInDialog.LogInDialogInterf
 	public static Context getAppContext() {
 		return app;
 	}
-	
+
+	public class ProviderAPIBroadcastReceiver_Update extends BroadcastReceiver {
+
+		@Override
+		public void onReceive(Context context, Intent intent) {
+			int update = intent.getIntExtra(ProviderAPI.UPDATE_DATA, 0);
+			mProgressBar.setProgress(update);
+		}
+	}
 }
diff --git a/src/se/leap/bitmaskclient/ProviderAPI.java b/src/se/leap/bitmaskclient/ProviderAPI.java
index e56c6ca9..cb2db6bf 100644
--- a/src/se/leap/bitmaskclient/ProviderAPI.java
+++ b/src/se/leap/bitmaskclient/ProviderAPI.java
@@ -97,7 +97,9 @@ public class ProviderAPI extends IntentService {
     RECEIVER_KEY = "receiver",
     SESSION_ID_COOKIE_KEY = "session_id_cookie_key",
     SESSION_ID_KEY = "session_id",
-    ERRORS = "errors"
+    ERRORS = "errors",
+    UPDATE_ACTION = "update_action",
+    UPDATE_DATA = "update data"
     ;
 
     final public static int
@@ -245,35 +247,42 @@ public class ProviderAPI extends IntentService {
 	 */
 	private Bundle authenticateBySRP(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);
 		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();
+			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);
-					} 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);
-					}
+					  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);
@@ -319,6 +328,19 @@ public class ProviderAPI extends IntentService {
 		
 		return session_id_bundle;
 	}
+	
+	/**
+	 * Sets up an intent with the progress value passed as a parameter
+	 * and sends it as a broadcast.
+	 * @param progress
+	 */
+	private void broadcast_progress(int progress) {
+		Intent intentUpdate = new Intent();
+		intentUpdate.setAction(UPDATE_ACTION);
+		intentUpdate.addCategory(Intent.CATEGORY_DEFAULT);
+		intentUpdate.putExtra(UPDATE_DATA, progress);
+		sendBroadcast(intentUpdate);
+	}
 
 	/**
 	 * Validates parameters entered by the user to log in