/
PushDecryptMessageJob.java
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/
PushDecryptMessageJob.java
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package org.thoughtcrime.securesms.jobs;
import android.app.PendingIntent;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.core.app.NotificationCompat;
import androidx.core.app.NotificationManagerCompat;
import org.signal.core.util.logging.Log;
import org.signal.libsignal.metadata.InvalidMetadataMessageException;
import org.signal.libsignal.metadata.InvalidMetadataVersionException;
import org.signal.libsignal.metadata.ProtocolDuplicateMessageException;
import org.signal.libsignal.metadata.ProtocolException;
import org.signal.libsignal.metadata.ProtocolInvalidKeyException;
import org.signal.libsignal.metadata.ProtocolInvalidKeyIdException;
import org.signal.libsignal.metadata.ProtocolInvalidMessageException;
import org.signal.libsignal.metadata.ProtocolInvalidVersionException;
import org.signal.libsignal.metadata.ProtocolLegacyMessageException;
import org.signal.libsignal.metadata.ProtocolNoSessionException;
import org.signal.libsignal.metadata.ProtocolUntrustedIdentityException;
import org.signal.libsignal.metadata.SelfSendException;
import org.thoughtcrime.securesms.MainActivity;
import org.thoughtcrime.securesms.R;
import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
import org.thoughtcrime.securesms.crypto.UnidentifiedAccessUtil;
import org.thoughtcrime.securesms.crypto.storage.SignalProtocolStoreImpl;
import org.thoughtcrime.securesms.crypto.DatabaseSessionLock;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.NoSuchMessageException;
import org.thoughtcrime.securesms.database.PushDatabase;
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
import org.thoughtcrime.securesms.groups.BadGroupIdException;
import org.thoughtcrime.securesms.groups.GroupId;
import org.thoughtcrime.securesms.jobmanager.Data;
import org.thoughtcrime.securesms.jobmanager.Job;
import org.thoughtcrime.securesms.jobmanager.JobManager;
import org.thoughtcrime.securesms.messages.MessageContentProcessor;
import org.thoughtcrime.securesms.messages.MessageContentProcessor.ExceptionMetadata;
import org.thoughtcrime.securesms.messages.MessageContentProcessor.MessageState;
import org.thoughtcrime.securesms.messages.MessageDecryptionUtil;
import org.thoughtcrime.securesms.messages.MessageDecryptionUtil.DecryptionResult;
import org.thoughtcrime.securesms.notifications.NotificationChannels;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.transport.RetryLaterException;
import org.thoughtcrime.securesms.util.GroupUtil;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.whispersystems.libsignal.state.SignalProtocolStore;
import org.whispersystems.libsignal.util.guava.Optional;
import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
import org.whispersystems.signalservice.api.messages.SignalServiceContent;
import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
import org.whispersystems.signalservice.api.push.SignalServiceAddress;
import org.whispersystems.signalservice.internal.push.UnsupportedDataMessageException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
/**
* Decrypts an envelope. Enqueues a separate job, {@link PushProcessMessageJob}, to actually insert
* the result into our database.
*/
public final class PushDecryptMessageJob extends BaseJob {
public static final String KEY = "PushDecryptJob";
public static final String QUEUE = "__PUSH_DECRYPT_JOB__";
public static final String TAG = Log.tag(PushDecryptMessageJob.class);
private static final String KEY_SMS_MESSAGE_ID = "sms_message_id";
private static final String KEY_ENVELOPE = "envelope";
private final long smsMessageId;
private final SignalServiceEnvelope envelope;
public PushDecryptMessageJob(Context context, @NonNull SignalServiceEnvelope envelope) {
this(context, envelope, -1);
}
public PushDecryptMessageJob(Context context, @NonNull SignalServiceEnvelope envelope, long smsMessageId) {
this(new Parameters.Builder()
.setQueue(QUEUE)
.setMaxAttempts(Parameters.UNLIMITED)
.build(),
envelope,
smsMessageId);
setContext(context);
}
private PushDecryptMessageJob(@NonNull Parameters parameters, @NonNull SignalServiceEnvelope envelope, long smsMessageId) {
super(parameters);
this.envelope = envelope;
this.smsMessageId = smsMessageId;
}
@Override
public @NonNull Data serialize() {
return new Data.Builder().putBlobAsString(KEY_ENVELOPE, envelope.serialize())
.putLong(KEY_SMS_MESSAGE_ID, smsMessageId)
.build();
}
@Override
public @NonNull String getFactoryKey() {
return KEY;
}
@Override
public void onRun() throws RetryLaterException {
if (needsMigration()) {
Log.w(TAG, "Migration is still needed.");
postMigrationNotification();
throw new RetryLaterException();
}
List<Job> jobs = new LinkedList<>();
DecryptionResult result = MessageDecryptionUtil.decrypt(context, envelope);
if (result.getContent() != null) {
jobs.add(new PushProcessMessageJob(result.getContent(), smsMessageId, envelope.getTimestamp()));
} else if (result.getException() != null && result.getState() != MessageState.NOOP) {
jobs.add(new PushProcessMessageJob(result.getState(), result.getException(), smsMessageId, envelope.getTimestamp()));
}
jobs.addAll(result.getJobs());
for (Job job: jobs) {
ApplicationDependencies.getJobManager().add(job);
}
}
@Override
public boolean onShouldRetry(@NonNull Exception exception) {
return exception instanceof RetryLaterException;
}
@Override
public void onFailure() {
}
private boolean needsMigration() {
return !IdentityKeyUtil.hasIdentityKey(context) || TextSecurePreferences.getNeedsSqlCipherMigration(context);
}
private void postMigrationNotification() {
NotificationManagerCompat.from(context).notify(494949,
new NotificationCompat.Builder(context, NotificationChannels.getMessagesChannel(context))
.setSmallIcon(R.drawable.ic_notification)
.setPriority(NotificationCompat.PRIORITY_HIGH)
.setCategory(NotificationCompat.CATEGORY_MESSAGE)
.setContentTitle(context.getString(R.string.PushDecryptJob_new_locked_message))
.setContentText(context.getString(R.string.PushDecryptJob_unlock_to_view_pending_messages))
.setContentIntent(PendingIntent.getActivity(context, 0, MainActivity.clearTop(context), 0))
.setDefaults(NotificationCompat.DEFAULT_SOUND | NotificationCompat.DEFAULT_VIBRATE)
.build());
}
public static final class Factory implements Job.Factory<PushDecryptMessageJob> {
@Override
public @NonNull PushDecryptMessageJob create(@NonNull Parameters parameters, @NonNull Data data) {
return new PushDecryptMessageJob(parameters,
SignalServiceEnvelope.deserialize(data.getStringAsBlob(KEY_ENVELOPE)),
data.getLong(KEY_SMS_MESSAGE_ID));
}
}
}