Merge branch '427-local-author-caching' into 'master'

Cache the local author and load before the db latch is released

Closes #427, #588 

See merge request !354

briar-android/src/org/briarproject/android/AppModule.java

@@ -77,6 +77,7 @@ public class AppModule {
 		return new DatabaseConfig() {
 
 			private volatile SecretKey key = null;
+			private volatile String nickname;
 
 			@Override
 			public boolean databaseExists() {
@@ -95,6 +96,16 @@ public class AppModule {
 				this.key = key;
 			}
 
+			@Override
+			public void setLocalAuthorName(String nickname) {
+				this.nickname = nickname;
+			}
+
+			@Override
+			public String getLocalAuthorName() {
+				return nickname;
+			}
+
 			@Override
 			public SecretKey getEncryptionKey() {
 				return key;

briar-android/src/org/briarproject/android/BriarActivity.java

@@ -22,8 +22,6 @@ import static android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP;
 @SuppressLint("Registered")
 public abstract class BriarActivity extends BaseActivity {
 
-	public static final String KEY_LOCAL_AUTHOR_HANDLE =
-			"briar.LOCAL_AUTHOR_HANDLE";
 	public static final String KEY_STARTUP_FAILED = "briar.STARTUP_FAILED";
 	public static final String GROUP_ID = "briar.GROUP_ID";
 	public static final String GROUP_NAME = "briar.GROUP_NAME";

briar-android/src/org/briarproject/android/BriarService.java

@@ -45,11 +45,13 @@ public class BriarService extends Service {
 	private final AtomicBoolean created = new AtomicBoolean(false);
 	private final Binder binder = new BriarBinder();
 
-	@Inject protected DatabaseConfig databaseConfig;
-
+	@Inject
+	protected DatabaseConfig databaseConfig;
 	// Fields that are accessed from background threads must be volatile
-	@Inject protected volatile LifecycleManager lifecycleManager;
-	@Inject protected volatile AndroidExecutor androidExecutor;
+	@Inject
+	protected volatile LifecycleManager lifecycleManager;
+	@Inject
+	protected volatile AndroidExecutor androidExecutor;
 	private volatile boolean started = false;
 
 	@Override
@@ -91,7 +93,8 @@ public class BriarService extends Service {
 		new Thread() {
 			@Override
 			public void run() {
-				StartResult result = lifecycleManager.startServices();
+				String nickname = databaseConfig.getLocalAuthorName();
+				StartResult result = lifecycleManager.startServices(nickname);
 				if (result == SUCCESS) {
 					started = true;
 				} else if (result == ALREADY_RUNNING) {
@@ -169,24 +172,32 @@ public class BriarService extends Service {
 		// FIXME: Work out what to do about it
 	}
 
-	/** Waits for all services to start before returning. */
+	/**
+	 * Waits for all services to start before returning.
+	 */
 	public void waitForStartup() throws InterruptedException {
 		lifecycleManager.waitForStartup();
 	}
 
-	/** Waits for all services to stop before returning. */
+	/**
+	 * Waits for all services to stop before returning.
+	 */
 	public void waitForShutdown() throws InterruptedException {
 		lifecycleManager.waitForShutdown();
 	}
 
-	/** Starts the shutdown process. */
+	/**
+	 * Starts the shutdown process.
+	 */
 	public void shutdown() {
 		stopSelf(); // This will call onDestroy()
 	}
 
 	public class BriarBinder extends Binder {
 
-		/** Returns the bound service. */
+		/**
+		 * Returns the bound service.
+		 */
 		public BriarService getService() {
 			return BriarService.this;
 		}
@@ -205,9 +216,12 @@ public class BriarService extends Service {
 		}
 
 		@Override
-		public void onServiceDisconnected(ComponentName name) {}
+		public void onServiceDisconnected(ComponentName name) {
+		}
 
-		/** Waits for the service to connect and returns its binder. */
+		/**
+		 * Waits for the service to connect and returns its binder.
+		 */
 		public IBinder waitForBinder() throws InterruptedException {
 			binderLatch.await();
 			return binder;

briar-android/src/org/briarproject/android/NavDrawerActivity.java

@@ -25,12 +25,10 @@ import org.briarproject.android.blogs.FeedFragment;
 import org.briarproject.android.contact.ContactListFragment;
 import org.briarproject.android.controller.NavDrawerController;
 import org.briarproject.android.controller.TransportStateListener;
-import org.briarproject.android.controller.handler.UiResultHandler;
 import org.briarproject.android.forum.ForumListFragment;
 import org.briarproject.android.fragment.BaseFragment.BaseFragmentListener;
 import org.briarproject.android.privategroup.list.GroupListFragment;
 import org.briarproject.api.TransportId;
-import org.briarproject.api.identity.LocalAuthor;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -72,7 +70,6 @@ public class NavDrawerActivity extends BriarFragmentActivity implements
 	protected void onNewIntent(Intent intent) {
 		super.onNewIntent(intent);
 		exitIfStartupFailed(intent);
-		checkAuthorHandle(intent);
 		// FIXME why was the stack cleared here?
 		// This prevents state from being restored properly
 //		clearBackStack();
@@ -115,7 +112,6 @@ public class NavDrawerActivity extends BriarFragmentActivity implements
 				R.string.nav_drawer_close_description);
 		drawerLayout.addDrawerListener(drawerToggle);
 		navigation.setNavigationItemSelectedListener(this);
-		checkAuthorHandle(getIntent());
 
 		initializeTransports(getLayoutInflater());
 		transportsView.setAdapter(transportsAdapter);
@@ -146,18 +142,6 @@ public class NavDrawerActivity extends BriarFragmentActivity implements
 		updateTransports();
 	}
 
-	private void checkAuthorHandle(Intent intent) {
-		long handle = intent.getLongExtra(KEY_LOCAL_AUTHOR_HANDLE, -1);
-		if (handle != -1) {
-			LocalAuthor a = controller.removeAuthorHandle(handle);
-			// The activity was launched from the setup wizard
-			if (a != null) {
-				showLoadingScreen(true, R.string.progress_title_please_wait);
-				storeLocalAuthor(a);
-			}
-		}
-	}
-
 	private void exitIfStartupFailed(Intent intent) {
 		if (intent.getBooleanExtra(KEY_STARTUP_FAILED, false)) {
 			finish();
@@ -166,15 +150,6 @@ public class NavDrawerActivity extends BriarFragmentActivity implements
 		}
 	}
 
-	private void storeLocalAuthor(LocalAuthor a) {
-		controller.storeLocalAuthor(a, new UiResultHandler<Void>(this) {
-			@Override
-			public void onResultUi(Void result) {
-				hideLoadingScreen();
-			}
-		});
-	}
-
 	private void loadFragment(int fragmentId) {
 		// TODO re-use fragments from the manager when possible
 		switch (fragmentId) {

briar-android/src/org/briarproject/android/SetupActivity.java

@@ -2,7 +2,6 @@ package org.briarproject.android;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
 import android.support.design.widget.TextInputLayout;
 import android.text.Editable;
 import android.text.TextWatcher;
@@ -135,18 +134,18 @@ public class SetupActivity extends BaseActivity implements OnClickListener,
 		progress.setVisibility(VISIBLE);
 		String nickname = nicknameEntry.getText().toString();
 		String password = passwordEntry.getText().toString();
-		setupController.createIdentity(nickname, password,
-				new UiResultHandler<Long>(this) {
+
+		setupController.storeAuthorInfo(nickname, password,
+				new UiResultHandler<Void>(this) {
 					@Override
-					public void onResultUi(@NonNull Long result) {
-						showMain(result);
+					public void onResultUi(Void result) {
+						showMain();
 					}
 				});
 	}
 
-	private void showMain(final long handle) {
+	private void showMain() {
 		Intent i = new Intent(this, NavDrawerActivity.class);
-		i.putExtra(BriarActivity.KEY_LOCAL_AUTHOR_HANDLE, handle);
 		i.setFlags(FLAG_ACTIVITY_NEW_TASK);
 		startActivity(i);
 		finish();

briar-android/src/org/briarproject/android/blogs/WriteBlogPostActivity.java

@@ -27,7 +27,6 @@ import org.briarproject.api.sync.GroupId;
 import org.briarproject.util.StringUtils;
 
 import java.security.GeneralSecurityException;
-import java.util.Collection;
 import java.util.logging.Logger;
 
 import javax.inject.Inject;
@@ -147,9 +146,7 @@ public class WriteBlogPostActivity extends BriarActivity
 			public void run() {
 				long now = System.currentTimeMillis();
 				try {
-					Collection<LocalAuthor> authors =
-							identityManager.getLocalAuthors();
-					LocalAuthor author = authors.iterator().next();
+					LocalAuthor author = identityManager.getLocalAuthor();
 					BlogPost p = blogPostFactory
 							.createBlogPost(groupId, now, null, author, body);
 					blogManager.addLocalPost(p);

briar-android/src/org/briarproject/android/controller/ConfigController.java

@@ -6,7 +6,7 @@ public interface ConfigController {
 
 	String getEncryptedDatabaseKey();
 
-	void setEncryptedDatabaseKey(String hex);
+	void storeEncryptedDatabaseKey(String hex);
 
 	void deleteAccount(Context ctx);
 

briar-android/src/org/briarproject/android/controller/ConfigControllerImpl.java

@@ -29,7 +29,7 @@ public class ConfigControllerImpl implements ConfigController {
 	}
 
 	@Override
-	public void setEncryptedDatabaseKey(String hex) {
+	public void storeEncryptedDatabaseKey(String hex) {
 		SharedPreferences.Editor editor = briarPrefs.edit();
 		editor.putString(PREF_DB_KEY, hex);
 		editor.apply();

briar-android/src/org/briarproject/android/controller/NavDrawerController.java

@@ -1,15 +1,9 @@
 package org.briarproject.android.controller;
 
-import org.briarproject.android.controller.handler.ResultHandler;
 import org.briarproject.api.TransportId;
-import org.briarproject.api.identity.LocalAuthor;
 
 public interface NavDrawerController extends ActivityLifecycleController {
 
 	boolean isTransportRunning(TransportId transportId);
 
-	void storeLocalAuthor(LocalAuthor author,
-			ResultHandler<Void> resultHandler);
-
-	LocalAuthor removeAuthorHandle(long handle);
 }

briar-android/src/org/briarproject/android/controller/NavDrawerControllerImpl.java

@@ -2,18 +2,13 @@ package org.briarproject.android.controller;
 
 import android.app.Activity;
 
-import org.briarproject.android.api.ReferenceManager;
-import org.briarproject.android.controller.handler.ResultHandler;
 import org.briarproject.api.TransportId;
 import org.briarproject.api.db.DatabaseExecutor;
-import org.briarproject.api.db.DbException;
 import org.briarproject.api.event.Event;
 import org.briarproject.api.event.EventBus;
 import org.briarproject.api.event.EventListener;
 import org.briarproject.api.event.TransportDisabledEvent;
 import org.briarproject.api.event.TransportEnabledEvent;
-import org.briarproject.api.identity.IdentityManager;
-import org.briarproject.api.identity.LocalAuthor;
 import org.briarproject.api.lifecycle.LifecycleManager;
 import org.briarproject.api.plugins.Plugin;
 import org.briarproject.api.plugins.PluginManager;
@@ -24,7 +19,6 @@ import java.util.logging.Logger;
 import javax.inject.Inject;
 
 import static java.util.logging.Level.INFO;
-import static java.util.logging.Level.WARNING;
 
 public class NavDrawerControllerImpl extends DbControllerImpl
 		implements NavDrawerController, EventListener {
@@ -32,23 +26,18 @@ public class NavDrawerControllerImpl extends DbControllerImpl
 	private static final Logger LOG =
 			Logger.getLogger(NavDrawerControllerImpl.class.getName());
 
-	private final ReferenceManager referenceManager;
 	private final PluginManager pluginManager;
 	private final EventBus eventBus;
-	private final IdentityManager identityManager;
 
 	private volatile TransportStateListener listener;
 
 	@Inject
 	NavDrawerControllerImpl(@DatabaseExecutor Executor dbExecutor,
 			LifecycleManager lifecycleManager,
-			ReferenceManager referenceManager, PluginManager pluginManager,
-			EventBus eventBus, IdentityManager identityManager) {
+			PluginManager pluginManager, EventBus eventBus) {
 		super(dbExecutor, lifecycleManager);
-		this.referenceManager = referenceManager;
 		this.pluginManager = pluginManager;
 		this.eventBus = eventBus;
-		this.identityManager = identityManager;
 	}
 
 	@Override
@@ -101,33 +90,8 @@ public class NavDrawerControllerImpl extends DbControllerImpl
 	@Override
 	public boolean isTransportRunning(TransportId transportId) {
 		Plugin plugin = pluginManager.getPlugin(transportId);
+
 		return plugin != null && plugin.isRunning();
 	}
 
-	@Override
-	public void storeLocalAuthor(final LocalAuthor author,
-			final ResultHandler<Void> resultHandler) {
-		runOnDbThread(new Runnable() {
-			@Override
-			public void run() {
-				try {
-					long now = System.currentTimeMillis();
-					identityManager.addLocalAuthor(author);
-					long duration = System.currentTimeMillis() - now;
-					if (LOG.isLoggable(INFO))
-						LOG.info("Storing author took " + duration + " ms");
-					resultHandler.onResult(null);
-				} catch (final DbException e) {
-					if (LOG.isLoggable(WARNING))
-						LOG.log(WARNING, e.toString(), e);
-				}
-			}
-		});
-	}
-
-	@Override
-	public LocalAuthor removeAuthorHandle(long handle) {
-		return referenceManager.removeReference(handle, LocalAuthor.class);
-	}
-
 }

briar-android/src/org/briarproject/android/controller/PasswordControllerImpl.java

@@ -65,7 +65,7 @@ public class PasswordControllerImpl extends ConfigControllerImpl
 				} else {
 					String hex =
 							encryptDatabaseKey(new SecretKey(key), newPassword);
-					setEncryptedDatabaseKey(hex);
+					storeEncryptedDatabaseKey(hex);
 					resultHandler.onResult(true);
 				}
 			}

briar-android/src/org/briarproject/android/controller/SetupController.java

@@ -6,6 +6,7 @@ public interface SetupController {
 
 	float estimatePasswordStrength(String password);
 
-	void createIdentity(String nickname, String password,
-			ResultHandler<Long> resultHandler);
+	void storeAuthorInfo(String nickname, String password,
+			ResultHandler<Void> resultHandler);
+
 }

briar-android/src/org/briarproject/android/controller/SetupControllerImpl.java

@@ -2,58 +2,29 @@ package org.briarproject.android.controller;
 
 import android.content.SharedPreferences;
 
-import org.briarproject.android.api.ReferenceManager;
 import org.briarproject.android.controller.handler.ResultHandler;
 import org.briarproject.api.crypto.CryptoComponent;
 import org.briarproject.api.crypto.CryptoExecutor;
-import org.briarproject.api.crypto.KeyPair;
 import org.briarproject.api.crypto.PasswordStrengthEstimator;
 import org.briarproject.api.crypto.SecretKey;
 import org.briarproject.api.db.DatabaseConfig;
-import org.briarproject.api.identity.AuthorFactory;
-import org.briarproject.api.identity.LocalAuthor;
 
 import java.util.concurrent.Executor;
-import java.util.logging.Logger;
 
 import javax.inject.Inject;
 
-import static java.util.logging.Level.INFO;
-
 public class SetupControllerImpl extends PasswordControllerImpl
 		implements SetupController {
 
-	private static final Logger LOG =
-			Logger.getLogger(SetupControllerImpl.class.getName());
-
 	private final PasswordStrengthEstimator strengthEstimator;
-	private final AuthorFactory authorFactory;
-	private final ReferenceManager referenceManager;
 
 	@Inject
 	SetupControllerImpl(SharedPreferences briarPrefs,
 			DatabaseConfig databaseConfig,
 			@CryptoExecutor Executor cryptoExecutor, CryptoComponent crypto,
-			PasswordStrengthEstimator strengthEstimator,
-			AuthorFactory authorFactory, ReferenceManager referenceManager) {
+			PasswordStrengthEstimator strengthEstimator) {
 		super(briarPrefs, databaseConfig, cryptoExecutor, crypto);
 		this.strengthEstimator = strengthEstimator;
-		this.authorFactory = authorFactory;
-		this.referenceManager = referenceManager;
-
-	}
-
-	private LocalAuthor createLocalAuthor(String nickname) {
-		long now = System.currentTimeMillis();
-		KeyPair keyPair = crypto.generateSignatureKeyPair();
-		byte[] publicKey = keyPair.getPublic().getEncoded();
-		byte[] privateKey = keyPair.getPrivate().getEncoded();
-		LocalAuthor localAuthor = authorFactory.createLocalAuthor(nickname,
-				publicKey, privateKey);
-		long duration = System.currentTimeMillis() - now;
-		if (LOG.isLoggable(INFO))
-			LOG.info("Identity creation took " + duration + " ms");
-		return localAuthor;
 	}
 
 	@Override
@@ -62,20 +33,19 @@ public class SetupControllerImpl extends PasswordControllerImpl
 	}
 
 	@Override
-	public void createIdentity(final String nickname, final String password,
-			final ResultHandler<Long> resultHandler) {
+	public void storeAuthorInfo(final String nickname, final String password,
+			final ResultHandler<Void> resultHandler) {
 		cryptoExecutor.execute(new Runnable() {
 			@Override
 			public void run() {
+				databaseConfig.setLocalAuthorName(nickname);
 				SecretKey key = crypto.generateSecretKey();
 				databaseConfig.setEncryptionKey(key);
 				String hex = encryptDatabaseKey(key, password);
-				setEncryptedDatabaseKey(hex);
-				LocalAuthor localAuthor = createLocalAuthor(nickname);
-				long handle = referenceManager.putReference(localAuthor,
-						LocalAuthor.class);
-				resultHandler.onResult(handle);
+				storeEncryptedDatabaseKey(hex);
+				resultHandler.onResult(null);
 			}
 		});
 	}
+
 }

briar-android/src/org/briarproject/android/invitation/AddContactActivity.java

@@ -254,8 +254,7 @@ public class AddContactActivity extends BriarActivity
 		// change UI to show a progress indicator
 		setView(new InvitationCodeView(this, true));
 
-		task = invitationTaskFactory.createTask(localAuthorId,
-				localInvitationCode, code);
+		task = invitationTaskFactory.createTask(localInvitationCode, code);
 		taskHandle = referenceManager.putReference(task, InvitationTask.class);
 		task.addListener(AddContactActivity.this);
 		// Add a second listener so we can remove the first in onDestroy(),