Signal-Android/app/src/main/java/org/thoughtcrime/securesms/jobs/StorageSyncJob.java

324 lines
17 KiB
Java

package org.thoughtcrime.securesms.jobs;
import android.content.Context;
import androidx.annotation.NonNull;
import com.annimon.stream.Stream;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.RecipientDatabase;
import org.thoughtcrime.securesms.database.RecipientDatabase.RecipientSettings;
import org.thoughtcrime.securesms.database.StorageKeyDatabase;
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
import org.thoughtcrime.securesms.jobmanager.Data;
import org.thoughtcrime.securesms.jobmanager.Job;
import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint;
import org.thoughtcrime.securesms.keyvalue.SignalStore;
import org.thoughtcrime.securesms.logging.Log;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.recipients.RecipientId;
import org.thoughtcrime.securesms.storage.StorageSyncHelper;
import org.thoughtcrime.securesms.storage.StorageSyncHelper.KeyDifferenceResult;
import org.thoughtcrime.securesms.storage.StorageSyncHelper.LocalWriteResult;
import org.thoughtcrime.securesms.storage.StorageSyncHelper.MergeResult;
import org.thoughtcrime.securesms.storage.StorageSyncHelper.WriteOperationResult;
import org.thoughtcrime.securesms.storage.StorageSyncModels;
import org.thoughtcrime.securesms.storage.StorageSyncValidations;
import org.thoughtcrime.securesms.transport.RetryLaterException;
import org.thoughtcrime.securesms.util.FeatureFlags;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.thoughtcrime.securesms.util.Util;
import org.whispersystems.libsignal.InvalidKeyException;
import org.whispersystems.libsignal.util.guava.Optional;
import org.whispersystems.signalservice.api.SignalServiceAccountManager;
import org.whispersystems.signalservice.api.push.exceptions.PushNetworkException;
import org.whispersystems.signalservice.api.storage.SignalAccountRecord;
import org.whispersystems.signalservice.api.storage.SignalStorageManifest;
import org.whispersystems.signalservice.api.storage.SignalStorageRecord;
import org.whispersystems.signalservice.api.storage.StorageId;
import org.whispersystems.signalservice.api.storage.StorageKey;
import org.whispersystems.signalservice.internal.storage.protos.ManifestRecord;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.concurrent.TimeUnit;
/**
* Does a full sync of our local storage state with the remote storage state. Will write any pending
* local changes and resolve any conflicts with remote storage.
*
* This should be performed whenever a change is made locally, or whenever we want to retrieve
* changes that have been made remotely.
*/
public class StorageSyncJob extends BaseJob {
public static final String KEY = "StorageSyncJob";
public static final String QUEUE_KEY = "StorageSyncingJobs";
private static final String TAG = Log.tag(StorageSyncJob.class);
public StorageSyncJob() {
this(new Job.Parameters.Builder().addConstraint(NetworkConstraint.KEY)
.setQueue(QUEUE_KEY)
.setMaxInstances(2)
.setLifespan(TimeUnit.DAYS.toMillis(1))
.build());
}
private StorageSyncJob(@NonNull Parameters parameters) {
super(parameters);
}
@Override
public @NonNull Data serialize() {
return Data.EMPTY;
}
@Override
public @NonNull String getFactoryKey() {
return KEY;
}
@Override
protected void onRun() throws IOException, RetryLaterException {
if (!SignalStore.kbsValues().hasPin() && !SignalStore.kbsValues().hasOptedOut()) {
Log.i(TAG, "Doesn't have a PIN. Skipping.");
return;
}
if (!TextSecurePreferences.isPushRegistered(context)) {
Log.i(TAG, "Not registered. Skipping.");
return;
}
try {
boolean needsMultiDeviceSync = performSync();
if (TextSecurePreferences.isMultiDevice(context) && needsMultiDeviceSync) {
ApplicationDependencies.getJobManager().add(new MultiDeviceStorageSyncRequestJob());
}
SignalStore.storageServiceValues().onSyncCompleted();
} catch (InvalidKeyException e) {
Log.w(TAG, "Failed to decrypt remote storage! Force-pushing and syncing the storage key to linked devices.", e);
ApplicationDependencies.getJobManager().startChain(new MultiDeviceKeysUpdateJob())
.then(new StorageForcePushJob())
.then(new MultiDeviceStorageSyncRequestJob())
.enqueue();
}
}
@Override
protected boolean onShouldRetry(@NonNull Exception e) {
return e instanceof PushNetworkException || e instanceof RetryLaterException;
}
@Override
public void onFailure() {
}
private boolean performSync() throws IOException, RetryLaterException, InvalidKeyException {
SignalServiceAccountManager accountManager = ApplicationDependencies.getSignalServiceAccountManager();
RecipientDatabase recipientDatabase = DatabaseFactory.getRecipientDatabase(context);
StorageKeyDatabase storageKeyDatabase = DatabaseFactory.getStorageKeyDatabase(context);
StorageKey storageServiceKey = SignalStore.storageServiceValues().getOrCreateStorageKey();
boolean needsMultiDeviceSync = false;
boolean needsForcePush = false;
long localManifestVersion = TextSecurePreferences.getStorageManifestVersion(context);
Optional<SignalStorageManifest> remoteManifest = accountManager.getStorageManifestIfDifferentVersion(storageServiceKey, localManifestVersion);
long remoteManifestVersion = remoteManifest.transform(SignalStorageManifest::getVersion).or(localManifestVersion);
Log.i(TAG, "Our version: " + localManifestVersion + ", their version: " + remoteManifestVersion);
if (remoteManifest.isPresent() && remoteManifestVersion > localManifestVersion) {
Log.i(TAG, "[Remote Newer] Newer manifest version found!");
List<StorageId> allLocalStorageKeys = getAllLocalStorageIds(context, Recipient.self().fresh());
KeyDifferenceResult keyDifference = StorageSyncHelper.findKeyDifference(remoteManifest.get().getStorageIds(), allLocalStorageKeys);
if (keyDifference.hasTypeMismatches()) {
Log.w(TAG, "Found type mismatches in the key sets! Scheduling a force push after this sync completes.");
needsForcePush = true;
}
if (!keyDifference.isEmpty()) {
Log.i(TAG, "[Remote Newer] There's a difference in keys. Local-only: " + keyDifference.getLocalOnlyKeys().size() + ", Remote-only: " + keyDifference.getRemoteOnlyKeys().size());
List<SignalStorageRecord> localOnly = buildLocalStorageRecords(context, keyDifference.getLocalOnlyKeys());
List<SignalStorageRecord> remoteOnly = accountManager.readStorageRecords(storageServiceKey, keyDifference.getRemoteOnlyKeys());
MergeResult mergeResult = StorageSyncHelper.resolveConflict(remoteOnly, localOnly);
WriteOperationResult writeOperationResult = StorageSyncHelper.createWriteOperation(remoteManifest.get().getVersion(), allLocalStorageKeys, mergeResult);
if (remoteOnly.size() != keyDifference.getRemoteOnlyKeys().size()) {
Log.w(TAG, "Could not find all remote-only records! Requested: " + keyDifference.getRemoteOnlyKeys().size() + ", Found: " + remoteOnly.size() + ". Scheduling a force push after this sync completes.");
needsForcePush = true;
}
StorageSyncValidations.validate(writeOperationResult);
Log.i(TAG, "[Remote Newer] MergeResult :: " + mergeResult);
if (!writeOperationResult.isEmpty()) {
Log.i(TAG, "[Remote Newer] WriteOperationResult :: " + writeOperationResult);
Log.i(TAG, "[Remote Newer] We have something to write remotely.");
if (writeOperationResult.getManifest().getStorageIds().size() != remoteManifest.get().getStorageIds().size() + writeOperationResult.getInserts().size() - writeOperationResult.getDeletes().size()) {
Log.w(TAG, String.format(Locale.ENGLISH, "Bad storage key management! originalRemoteKeys: %d, newRemoteKeys: %d, insertedKeys: %d, deletedKeys: %d",
remoteManifest.get().getStorageIds().size(), writeOperationResult.getManifest().getStorageIds().size(), writeOperationResult.getInserts().size(), writeOperationResult.getDeletes().size()));
}
Optional<SignalStorageManifest> conflict = accountManager.writeStorageRecords(storageServiceKey, writeOperationResult.getManifest(), writeOperationResult.getInserts(), writeOperationResult.getDeletes());
if (conflict.isPresent()) {
Log.w(TAG, "[Remote Newer] Hit a conflict when trying to resolve the conflict! Retrying.");
throw new RetryLaterException();
}
remoteManifestVersion = writeOperationResult.getManifest().getVersion();
needsMultiDeviceSync = true;
} else {
Log.i(TAG, "[Remote Newer] After resolving the conflict, all changes are local. No remote writes needed.");
}
recipientDatabase.applyStorageSyncUpdates(mergeResult.getLocalContactInserts(), mergeResult.getLocalContactUpdates(), mergeResult.getLocalGroupV1Inserts(), mergeResult.getLocalGroupV1Updates(), mergeResult.getLocalGroupV2Inserts(), mergeResult.getLocalGroupV2Updates());
storageKeyDatabase.applyStorageSyncUpdates(mergeResult.getLocalUnknownInserts(), mergeResult.getLocalUnknownDeletes());
StorageSyncHelper.applyAccountStorageSyncUpdates(context, mergeResult.getLocalAccountUpdate());
Log.i(TAG, "[Remote Newer] Updating local manifest version to: " + remoteManifestVersion);
TextSecurePreferences.setStorageManifestVersion(context, remoteManifestVersion);
} else {
Log.i(TAG, "[Remote Newer] Remote version was newer, but our local data matched.");
Log.i(TAG, "[Remote Newer] Updating local manifest version to: " + remoteManifest.get().getVersion());
TextSecurePreferences.setStorageManifestVersion(context, remoteManifest.get().getVersion());
}
}
localManifestVersion = TextSecurePreferences.getStorageManifestVersion(context);
Recipient self = Recipient.self().fresh();
List<StorageId> allLocalStorageKeys = getAllLocalStorageIds(context, self);
List<RecipientSettings> pendingUpdates = recipientDatabase.getPendingRecipientSyncUpdates();
List<RecipientSettings> pendingInsertions = recipientDatabase.getPendingRecipientSyncInsertions();
List<RecipientSettings> pendingDeletions = recipientDatabase.getPendingRecipientSyncDeletions();
Optional<SignalAccountRecord> pendingAccountInsert = StorageSyncHelper.getPendingAccountSyncInsert(context, self);
Optional<SignalAccountRecord> pendingAccountUpdate = StorageSyncHelper.getPendingAccountSyncUpdate(context, self);
Optional<LocalWriteResult> localWriteResult = StorageSyncHelper.buildStorageUpdatesForLocal(localManifestVersion,
allLocalStorageKeys,
pendingUpdates,
pendingInsertions,
pendingDeletions,
pendingAccountUpdate,
pendingAccountInsert);
if (localWriteResult.isPresent()) {
Log.i(TAG, String.format(Locale.ENGLISH, "[Local Changes] Local changes present. %d updates, %d inserts, %d deletes, account update: %b, account insert: %b.", pendingUpdates.size(), pendingInsertions.size(), pendingDeletions.size(), pendingAccountUpdate.isPresent(), pendingAccountInsert.isPresent()));
WriteOperationResult localWrite = localWriteResult.get().getWriteResult();
StorageSyncValidations.validate(localWrite);
Log.i(TAG, "[Local Changes] WriteOperationResult :: " + localWrite);
if (localWrite.isEmpty()) {
throw new AssertionError("Decided there were local writes, but our write result was empty!");
}
Optional<SignalStorageManifest> conflict = accountManager.writeStorageRecords(storageServiceKey, localWrite.getManifest(), localWrite.getInserts(), localWrite.getDeletes());
if (conflict.isPresent()) {
Log.w(TAG, "[Local Changes] Hit a conflict when trying to upload our local writes! Retrying.");
throw new RetryLaterException();
}
List<RecipientId> clearIds = new ArrayList<>(pendingUpdates.size() + pendingInsertions.size() + pendingDeletions.size() + 1);
clearIds.addAll(Stream.of(pendingUpdates).map(RecipientSettings::getId).toList());
clearIds.addAll(Stream.of(pendingInsertions).map(RecipientSettings::getId).toList());
clearIds.addAll(Stream.of(pendingDeletions).map(RecipientSettings::getId).toList());
clearIds.add(Recipient.self().getId());
recipientDatabase.clearDirtyState(clearIds);
recipientDatabase.updateStorageKeys(localWriteResult.get().getStorageKeyUpdates());
needsMultiDeviceSync = true;
Log.i(TAG, "[Local Changes] Updating local manifest version to: " + localWriteResult.get().getWriteResult().getManifest().getVersion());
TextSecurePreferences.setStorageManifestVersion(context, localWriteResult.get().getWriteResult().getManifest().getVersion());
} else {
Log.i(TAG, "[Local Changes] No local changes.");
}
if (needsForcePush) {
Log.w(TAG, "Scheduling a force push.");
ApplicationDependencies.getJobManager().add(new StorageForcePushJob());
}
return needsMultiDeviceSync;
}
private static @NonNull List<StorageId> getAllLocalStorageIds(@NonNull Context context, @NonNull Recipient self) {
return Util.concatenatedList(DatabaseFactory.getRecipientDatabase(context).getContactStorageSyncIds(),
Collections.singletonList(StorageId.forAccount(self.getStorageServiceId())),
DatabaseFactory.getStorageKeyDatabase(context).getAllKeys());
}
private static @NonNull List<SignalStorageRecord> buildLocalStorageRecords(@NonNull Context context, @NonNull List<StorageId> ids) {
Recipient self = Recipient.self().fresh();
RecipientDatabase recipientDatabase = DatabaseFactory.getRecipientDatabase(context);
StorageKeyDatabase storageKeyDatabase = DatabaseFactory.getStorageKeyDatabase(context);
List<SignalStorageRecord> records = new ArrayList<>(ids.size());
for (StorageId id : ids) {
switch (id.getType()) {
case ManifestRecord.Identifier.Type.CONTACT_VALUE:
case ManifestRecord.Identifier.Type.GROUPV1_VALUE:
case ManifestRecord.Identifier.Type.GROUPV2_VALUE:
RecipientSettings settings = recipientDatabase.getByStorageId(id.getRaw());
if (settings != null) {
if (settings.getGroupType() == RecipientDatabase.GroupType.SIGNAL_V2 && settings.getSyncExtras().getGroupMasterKey() == null) {
Log.w(TAG, "Missing master key on gv2 recipient");
} else {
records.add(StorageSyncModels.localToRemoteRecord(settings));
}
} else {
Log.w(TAG, "Missing local recipient model! Type: " + id.getType());
}
break;
case ManifestRecord.Identifier.Type.ACCOUNT_VALUE:
if (!Arrays.equals(self.getStorageServiceId(), id.getRaw())) {
throw new AssertionError("Local storage ID doesn't match self!");
}
records.add(StorageSyncHelper.buildAccountRecord(context, self));
break;
default:
SignalStorageRecord unknown = storageKeyDatabase.getById(id.getRaw());
if (unknown != null) {
records.add(unknown);
} else {
Log.w(TAG, "Missing local unknown model! Type: " + id.getType());
}
break;
}
}
return records;
}
public static final class Factory implements Job.Factory<StorageSyncJob> {
@Override
public @NonNull StorageSyncJob create(@NonNull Parameters parameters, @NonNull Data data) {
return new StorageSyncJob(parameters);
}
}
}