/* * Copyright (C) 2013 Open Whisper Systems * * 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 . */ package org.thoughtcrime.securesms; import android.arch.lifecycle.DefaultLifecycleObserver; import android.arch.lifecycle.LifecycleOwner; import android.arch.lifecycle.ProcessLifecycleOwner; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.os.AsyncTask; import android.os.Build; import android.os.Handler; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.multidex.MultiDexApplication; import com.google.firebase.iid.FirebaseInstanceId; import org.conscrypt.Conscrypt; import org.jetbrains.annotations.NotNull; import org.signal.aesgcmprovider.AesGcmProvider; import org.thoughtcrime.securesms.components.TypingStatusRepository; import org.thoughtcrime.securesms.components.TypingStatusSender; import org.thoughtcrime.securesms.crypto.IdentityKeyUtil; import org.thoughtcrime.securesms.crypto.MasterSecretUtil; import org.thoughtcrime.securesms.crypto.ProfileKeyUtil; import org.thoughtcrime.securesms.database.Address; import org.thoughtcrime.securesms.database.DatabaseFactory; import org.thoughtcrime.securesms.dependencies.AxolotlStorageModule; import org.thoughtcrime.securesms.dependencies.InjectableType; import org.thoughtcrime.securesms.dependencies.SignalCommunicationModule; import org.thoughtcrime.securesms.jobmanager.DependencyInjector; import org.thoughtcrime.securesms.jobmanager.JobManager; import org.thoughtcrime.securesms.jobmanager.impl.JsonDataSerializer; import org.thoughtcrime.securesms.jobs.CreateSignedPreKeyJob; import org.thoughtcrime.securesms.jobs.FastJobStorage; import org.thoughtcrime.securesms.jobs.JobManagerFactories; import org.thoughtcrime.securesms.jobs.MultiDeviceContactUpdateJob; import org.thoughtcrime.securesms.jobs.PushContentReceiveJob; import org.thoughtcrime.securesms.jobs.PushNotificationReceiveJob; import org.thoughtcrime.securesms.jobs.RefreshUnidentifiedDeliveryAbilityJob; import org.thoughtcrime.securesms.logging.AndroidLogger; import org.thoughtcrime.securesms.logging.CustomSignalProtocolLogger; import org.thoughtcrime.securesms.logging.Log; import org.thoughtcrime.securesms.logging.PersistentLogger; import org.thoughtcrime.securesms.logging.UncaughtExceptionLogger; import org.thoughtcrime.securesms.loki.activities.HomeActivity; import org.thoughtcrime.securesms.loki.api.BackgroundOpenGroupPollWorker; import org.thoughtcrime.securesms.loki.api.BackgroundPollWorker; import org.thoughtcrime.securesms.loki.api.LokiPublicChatManager; import org.thoughtcrime.securesms.loki.api.LokiPushNotificationManager; import org.thoughtcrime.securesms.loki.database.LokiAPIDatabase; import org.thoughtcrime.securesms.loki.database.LokiThreadDatabase; import org.thoughtcrime.securesms.loki.database.LokiUserDatabase; import org.thoughtcrime.securesms.loki.protocol.EphemeralMessage; import org.thoughtcrime.securesms.loki.protocol.LokiSessionResetImplementation; import org.thoughtcrime.securesms.loki.protocol.PushEphemeralMessageSendJob; import org.thoughtcrime.securesms.loki.utilities.Broadcaster; import org.thoughtcrime.securesms.notifications.MessageNotifier; import org.thoughtcrime.securesms.notifications.NotificationChannels; import org.thoughtcrime.securesms.profiles.AvatarHelper; import org.thoughtcrime.securesms.providers.BlobProvider; import org.thoughtcrime.securesms.push.SignalServiceNetworkAccess; import org.thoughtcrime.securesms.recipients.Recipient; import org.thoughtcrime.securesms.service.ExpiringMessageManager; import org.thoughtcrime.securesms.service.IncomingMessageObserver; import org.thoughtcrime.securesms.service.KeyCachingService; import org.thoughtcrime.securesms.service.LocalBackupListener; import org.thoughtcrime.securesms.service.RotateSenderCertificateListener; import org.thoughtcrime.securesms.service.RotateSignedPreKeyListener; import org.thoughtcrime.securesms.service.UpdateApkRefreshListener; import org.thoughtcrime.securesms.util.TextSecurePreferences; import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper; import org.webrtc.PeerConnectionFactory; import org.webrtc.PeerConnectionFactory.InitializationOptions; import org.webrtc.voiceengine.WebRtcAudioManager; import org.webrtc.voiceengine.WebRtcAudioUtils; import org.whispersystems.libsignal.logging.SignalProtocolLoggerProvider; import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope; import org.whispersystems.signalservice.api.util.StreamDetails; import org.whispersystems.signalservice.internal.push.SignalServiceProtos; import org.whispersystems.signalservice.loki.api.LokiAPI; import org.whispersystems.signalservice.loki.api.LokiPoller; import org.whispersystems.signalservice.loki.api.LokiPushNotificationAcknowledgement; import org.whispersystems.signalservice.loki.api.LokiSwarmAPI; import org.whispersystems.signalservice.loki.api.fileserver.LokiFileServerAPI; import org.whispersystems.signalservice.loki.api.opengroups.LokiPublicChatAPI; import org.whispersystems.signalservice.loki.api.p2p.LokiP2PAPI; import org.whispersystems.signalservice.loki.api.p2p.LokiP2PAPIDelegate; import org.whispersystems.signalservice.loki.database.LokiAPIDatabaseProtocol; import org.whispersystems.signalservice.loki.protocol.friendrequests.FriendRequestProtocol; import org.whispersystems.signalservice.loki.protocol.mentions.MentionsManager; import org.whispersystems.signalservice.loki.protocol.meta.SessionMetaProtocol; import org.whispersystems.signalservice.loki.protocol.multidevice.MultiDeviceProtocol; import org.whispersystems.signalservice.loki.protocol.sessionmanagement.SessionManagementProtocol; import org.whispersystems.signalservice.loki.protocol.sessionmanagement.SessionManagementProtocolDelegate; import org.whispersystems.signalservice.loki.protocol.syncmessages.SyncMessagesProtocol; import java.io.File; import java.io.FileInputStream; import java.security.SecureRandom; import java.security.Security; import java.util.Date; import java.util.HashSet; import java.util.Set; import dagger.ObjectGraph; import kotlin.Unit; import network.loki.messenger.BuildConfig; import static nl.komponents.kovenant.android.KovenantAndroid.startKovenant; import static nl.komponents.kovenant.android.KovenantAndroid.stopKovenant; /** * Will be called once when the TextSecure process is created. * * We're using this as an insertion point to patch up the Android PRNG disaster, * to initialize the job manager, and to check for GCM registration freshness. * * @author Moxie Marlinspike */ public class ApplicationContext extends MultiDexApplication implements DependencyInjector, DefaultLifecycleObserver, LokiP2PAPIDelegate, SessionManagementProtocolDelegate { private static final String TAG = ApplicationContext.class.getSimpleName(); private final static int OK_HTTP_CACHE_SIZE = 10 * 1024 * 1024; // 10 MB private ExpiringMessageManager expiringMessageManager; private TypingStatusRepository typingStatusRepository; private TypingStatusSender typingStatusSender; private JobManager jobManager; private IncomingMessageObserver incomingMessageObserver; private ObjectGraph objectGraph; private PersistentLogger persistentLogger; // Loki public LokiPoller lokiPoller = null; public LokiPublicChatManager lokiPublicChatManager = null; private LokiPublicChatAPI lokiPublicChatAPI = null; public Broadcaster broadcaster = null; public SignalCommunicationModule communicationModule; private volatile boolean isAppVisible; public static ApplicationContext getInstance(Context context) { return (ApplicationContext)context.getApplicationContext(); } @Override public void onCreate() { super.onCreate(); Log.i(TAG, "onCreate()"); startKovenant(); initializeSecurityProvider(); initializeLogging(); initializeCrashHandling(); initializeDependencyInjection(); initializeJobManager(); initializeMessageRetrieval(); initializeExpiringMessageManager(); initializeTypingStatusRepository(); initializeTypingStatusSender(); initializeSignedPreKeyCheck(); initializePeriodicTasks(); initializeWebRtc(); initializePendingMessages(); initializeUnidentifiedDeliveryAbilityRefresh(); initializeBlobProvider(); NotificationChannels.create(this); ProcessLifecycleOwner.get().getLifecycle().addObserver(this); // Loki broadcaster = new Broadcaster(this); LokiAPIDatabase apiDB = DatabaseFactory.getLokiAPIDatabase(this); LokiThreadDatabase threadDB = DatabaseFactory.getLokiThreadDatabase(this); LokiUserDatabase userDB = DatabaseFactory.getLokiUserDatabase(this); String userPublicKey = TextSecurePreferences.getLocalNumber(this); LokiSessionResetImplementation sessionResetImpl = new LokiSessionResetImplementation(this); if (userPublicKey != null) { FriendRequestProtocol.Companion.configureIfNeeded(apiDB, userPublicKey); MentionsManager.Companion.configureIfNeeded(userPublicKey, threadDB, userDB); SessionMetaProtocol.Companion.configureIfNeeded(apiDB, userPublicKey); MultiDeviceProtocol.Companion.configureIfNeeded(apiDB); SessionManagementProtocol.Companion.configureIfNeeded(sessionResetImpl, threadDB, this); SyncMessagesProtocol.Companion.configureIfNeeded(apiDB, userPublicKey); } setUpP2PAPIIfNeeded(); LokiPushNotificationAcknowledgement.Companion.configureIfNeeded(BuildConfig.DEBUG); if (setUpStorageAPIIfNeeded()) { if (userPublicKey != null) { MultiDeviceUtilities.updateDeviceLinksOnServer(this); } } resubmitProfilePictureIfNeeded(); lokiPublicChatManager = new LokiPublicChatManager(this); updateOpenGroupProfilePicturesIfNeeded(); registerForFCMIfNeeded(false); } @Override public void onStart(@NonNull LifecycleOwner owner) { isAppVisible = true; Log.i(TAG, "App is now visible."); executePendingContactSync(); KeyCachingService.onAppForegrounded(this); // Loki startPollingIfNeeded(); lokiPublicChatManager.startPollersIfNeeded(); } @Override public void onStop(@NonNull LifecycleOwner owner) { isAppVisible = false; Log.i(TAG, "App is no longer visible."); KeyCachingService.onAppBackgrounded(this); MessageNotifier.setVisibleThread(-1); // Loki if (lokiPoller != null) { lokiPoller.stopIfNeeded(); } if (lokiPublicChatManager != null) { lokiPublicChatManager.stopPollers(); } } @Override public void onTerminate() { stopKovenant(); // Loki super.onTerminate(); } @Override public void injectDependencies(Object object) { if (object instanceof InjectableType) { objectGraph.inject(object); } } public JobManager getJobManager() { return jobManager; } public ExpiringMessageManager getExpiringMessageManager() { return expiringMessageManager; } public TypingStatusRepository getTypingStatusRepository() { return typingStatusRepository; } public TypingStatusSender getTypingStatusSender() { return typingStatusSender; } public boolean isAppVisible() { return isAppVisible; } public PersistentLogger getPersistentLogger() { return persistentLogger; } // Loki public @Nullable LokiPublicChatAPI getLokiPublicChatAPI() { if (lokiPublicChatAPI != null || !IdentityKeyUtil.hasIdentityKey(this)) { return lokiPublicChatAPI; } String userPublicKey = TextSecurePreferences.getLocalNumber(this); if (userPublicKey== null) { return lokiPublicChatAPI; } byte[] userPrivateKey = IdentityKeyUtil.getIdentityKeyPair(this).getPrivateKey().serialize(); LokiAPIDatabase apiDB = DatabaseFactory.getLokiAPIDatabase(this); LokiUserDatabase userDB = DatabaseFactory.getLokiUserDatabase(this); lokiPublicChatAPI = new LokiPublicChatAPI(userPublicKey, userPrivateKey, apiDB, userDB); return lokiPublicChatAPI; } private void initializeSecurityProvider() { try { Class.forName("org.signal.aesgcmprovider.AesGcmCipher"); } catch (ClassNotFoundException e) { Log.e(TAG, "Failed to find AesGcmCipher class"); throw new ProviderInitializationException(); } int aesPosition = Security.insertProviderAt(new AesGcmProvider(), 1); Log.i(TAG, "Installed AesGcmProvider: " + aesPosition); if (aesPosition < 0) { Log.e(TAG, "Failed to install AesGcmProvider()"); throw new ProviderInitializationException(); } int conscryptPosition = Security.insertProviderAt(Conscrypt.newProvider(), 2); Log.i(TAG, "Installed Conscrypt provider: " + conscryptPosition); if (conscryptPosition < 0) { Log.w(TAG, "Did not install Conscrypt provider. May already be present."); } } private void initializeLogging() { persistentLogger = new PersistentLogger(this); org.thoughtcrime.securesms.logging.Log.initialize(new AndroidLogger(), persistentLogger); SignalProtocolLoggerProvider.setProvider(new CustomSignalProtocolLogger()); } private void initializeCrashHandling() { final Thread.UncaughtExceptionHandler originalHandler = Thread.getDefaultUncaughtExceptionHandler(); Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionLogger(originalHandler)); } private void initializeJobManager() { this.jobManager = new JobManager(this, new JobManager.Configuration.Builder() .setDataSerializer(new JsonDataSerializer()) .setJobFactories(JobManagerFactories.getJobFactories(this)) .setConstraintFactories(JobManagerFactories.getConstraintFactories(this)) .setConstraintObservers(JobManagerFactories.getConstraintObservers(this)) .setJobStorage(new FastJobStorage(DatabaseFactory.getJobDatabase(this))) .setDependencyInjector(this) .build()); } public void initializeMessageRetrieval() { this.incomingMessageObserver = new IncomingMessageObserver(this); } private void initializeDependencyInjection() { communicationModule = new SignalCommunicationModule(this, new SignalServiceNetworkAccess(this)); this.objectGraph = ObjectGraph.create(communicationModule, new AxolotlStorageModule(this)); } private void initializeSignedPreKeyCheck() { if (!TextSecurePreferences.isSignedPreKeyRegistered(this)) { jobManager.add(new CreateSignedPreKeyJob(this)); } } private void initializeExpiringMessageManager() { this.expiringMessageManager = new ExpiringMessageManager(this); } private void initializeTypingStatusRepository() { this.typingStatusRepository = new TypingStatusRepository(); } private void initializeTypingStatusSender() { this.typingStatusSender = new TypingStatusSender(this); } private void initializePeriodicTasks() { RotateSignedPreKeyListener.schedule(this); LocalBackupListener.schedule(this); RotateSenderCertificateListener.schedule(this); BackgroundPollWorker.schedule(this); // Loki BackgroundOpenGroupPollWorker.schedule(this); // Loki if (BuildConfig.PLAY_STORE_DISABLED) { UpdateApkRefreshListener.schedule(this); } } private void initializeWebRtc() { try { Set HARDWARE_AEC_BLACKLIST = new HashSet() {{ add("Pixel"); add("Pixel XL"); add("Moto G5"); add("Moto G (5S) Plus"); add("Moto G4"); add("TA-1053"); add("Mi A1"); add("E5823"); // Sony z5 compact add("Redmi Note 5"); add("FP2"); // Fairphone FP2 add("MI 5"); }}; Set OPEN_SL_ES_WHITELIST = new HashSet() {{ add("Pixel"); add("Pixel XL"); }}; if (HARDWARE_AEC_BLACKLIST.contains(Build.MODEL)) { WebRtcAudioUtils.setWebRtcBasedAcousticEchoCanceler(true); } if (!OPEN_SL_ES_WHITELIST.contains(Build.MODEL)) { WebRtcAudioManager.setBlacklistDeviceForOpenSLESUsage(true); } PeerConnectionFactory.initialize(InitializationOptions.builder(this).createInitializationOptions()); } catch (UnsatisfiedLinkError e) { Log.w(TAG, e); } } private void executePendingContactSync() { if (TextSecurePreferences.needsFullContactSync(this)) { ApplicationContext.getInstance(this).getJobManager().add(new MultiDeviceContactUpdateJob(this, true)); } } private void initializePendingMessages() { if (TextSecurePreferences.getNeedsMessagePull(this)) { Log.i(TAG, "Scheduling a message fetch."); ApplicationContext.getInstance(this).getJobManager().add(new PushNotificationReceiveJob(this)); TextSecurePreferences.setNeedsMessagePull(this, false); } } private void initializeUnidentifiedDeliveryAbilityRefresh() { if (TextSecurePreferences.isMultiDevice(this) && !TextSecurePreferences.isUnidentifiedDeliveryEnabled(this)) { jobManager.add(new RefreshUnidentifiedDeliveryAbilityJob()); } } private void initializeBlobProvider() { AsyncTask.THREAD_POOL_EXECUTOR.execute(() -> { BlobProvider.getInstance().onSessionStart(this); }); } @Override protected void attachBaseContext(Context base) { super.attachBaseContext(DynamicLanguageContextWrapper.updateContext(base, TextSecurePreferences.getLanguage(base))); } private static class ProviderInitializationException extends RuntimeException { } // region Loki public boolean setUpStorageAPIIfNeeded() { String userPublicKey = TextSecurePreferences.getLocalNumber(this); if (userPublicKey == null || !IdentityKeyUtil.hasIdentityKey(this)) { return false; } boolean isDebugMode = BuildConfig.DEBUG; byte[] userPrivateKey = IdentityKeyUtil.getIdentityKeyPair(this).getPrivateKey().serialize(); LokiAPIDatabaseProtocol apiDB = DatabaseFactory.getLokiAPIDatabase(this); LokiFileServerAPI.Companion.configure(isDebugMode, userPublicKey, userPrivateKey, apiDB); return true; } public void setUpP2PAPIIfNeeded() { String hexEncodedPublicKey = TextSecurePreferences.getLocalNumber(this); if (hexEncodedPublicKey == null) { return; } LokiP2PAPI.Companion.configure(hexEncodedPublicKey, (isOnline, contactPublicKey) -> { // TODO: Implement return null; }, this); } public void registerForFCMIfNeeded(Boolean force) { Context context = this; FirebaseInstanceId.getInstance().getInstanceId().addOnCompleteListener(task -> { if (!task.isSuccessful()) { Log.w(TAG, "getInstanceId failed", task.getException()); return; } String token = task.getResult().getToken(); String userPublicKey = TextSecurePreferences.getLocalNumber(context); if (userPublicKey == null) return; if (TextSecurePreferences.isUsingFCM(this)) { LokiPushNotificationManager.register(token, userPublicKey, context, force); } else { LokiPushNotificationManager.unregister(token, context); } }); } @Override public void ping(@NotNull String s) { // TODO: Implement } private void setUpPollingIfNeeded() { if (lokiPoller != null) return; String userPublicKey = TextSecurePreferences.getLocalNumber(this); if (userPublicKey == null) return; LokiAPIDatabase apiDB = DatabaseFactory.getLokiAPIDatabase(this); Context context = this; LokiSwarmAPI.Companion.configureIfNeeded(apiDB); LokiAPI.Companion.configureIfNeeded(userPublicKey, apiDB, broadcaster); lokiPoller = new LokiPoller(userPublicKey, apiDB, protos -> { for (SignalServiceProtos.Envelope proto : protos) { new PushContentReceiveJob(context).processEnvelope(new SignalServiceEnvelope(proto)); } return Unit.INSTANCE; }); } public void startPollingIfNeeded() { setUpPollingIfNeeded(); if (lokiPoller != null) { lokiPoller.startIfNeeded(); } } private void resubmitProfilePictureIfNeeded() { String userPublicKey = TextSecurePreferences.getLocalNumber(this); if (userPublicKey == null) return; long now = new Date().getTime(); long lastProfilePictureUpload = TextSecurePreferences.getLastProfilePictureUpload(this); if (now - lastProfilePictureUpload <= 14 * 24 * 60 * 60 * 1000) return; AsyncTask.execute(() -> { String encodedProfileKey = ProfileKeyUtil.generateEncodedProfileKey(this); byte[] profileKey = ProfileKeyUtil.getProfileKeyFromEncodedString(encodedProfileKey); try { File profilePicture = AvatarHelper.getAvatarFile(this, Address.fromSerialized(userPublicKey)); StreamDetails stream = new StreamDetails(new FileInputStream(profilePicture), "image/jpeg", profilePicture.length()); LokiFileServerAPI.shared.uploadProfilePicture(LokiFileServerAPI.shared.getServer(), profileKey, stream, () -> { TextSecurePreferences.setLastProfilePictureUpload(this, new Date().getTime()); TextSecurePreferences.setProfileAvatarId(this, new SecureRandom().nextInt()); ProfileKeyUtil.setEncodedProfileKey(this, encodedProfileKey); return Unit.INSTANCE; }); } catch (Exception exception) { // Do nothing } }); } public void updateOpenGroupProfilePicturesIfNeeded() { AsyncTask.execute(() -> { LokiPublicChatAPI publicChatAPI = null; try { publicChatAPI = getLokiPublicChatAPI(); } catch (Exception e) { // Do nothing } if (publicChatAPI == null) { return; } byte[] profileKey = ProfileKeyUtil.getProfileKey(this); String url = TextSecurePreferences.getProfilePictureURL(this); String userMasterDevice = TextSecurePreferences.getMasterHexEncodedPublicKey(this); if (userMasterDevice != null) { Recipient userMasterDeviceAsRecipient = Recipient.from(this, Address.fromSerialized(userMasterDevice), false).resolve(); profileKey = userMasterDeviceAsRecipient.getProfileKey(); url = userMasterDeviceAsRecipient.getProfileAvatar(); } Set servers = DatabaseFactory.getLokiThreadDatabase(this).getAllPublicChatServers(); for (String server : servers) { if (profileKey != null) { publicChatAPI.setProfilePicture(server, profileKey, url); } } }); } public void clearData() { boolean wasUnlinked = TextSecurePreferences.getWasUnlinked(this); TextSecurePreferences.clearAll(this); TextSecurePreferences.setWasUnlinked(this, wasUnlinked); MasterSecretUtil.clear(this); new Handler().postDelayed(this::restartApplication, 200); } public void restartApplication() { Intent intent = new Intent(this, HomeActivity.class); startActivity(Intent.makeRestartActivityTask(intent.getComponent())); Runtime.getRuntime().exit(0); } @Override public void sendSessionRequest(@NotNull String publicKey) { EphemeralMessage sessionRequest = EphemeralMessage.createSessionRequest(publicKey); jobManager.add(new PushEphemeralMessageSendJob(sessionRequest)); } // endregion }