Moxie Marlinspike 92593d459b Remove the final vestiges of encrypted SMS
Fixes #4026
// FREEBIE
2015-09-24 14:12:09 -07:00

112 lines
3.6 KiB
Java

package org.thoughtcrime.securesms.jobs;
import android.content.Context;
import android.telephony.SmsMessage;
import android.util.Log;
import android.util.Pair;
import org.thoughtcrime.securesms.crypto.MasterSecret;
import org.thoughtcrime.securesms.crypto.MasterSecretUnion;
import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.EncryptingSmsDatabase;
import org.thoughtcrime.securesms.notifications.MessageNotifier;
import org.thoughtcrime.securesms.recipients.RecipientFactory;
import org.thoughtcrime.securesms.recipients.Recipients;
import org.thoughtcrime.securesms.service.KeyCachingService;
import org.thoughtcrime.securesms.sms.IncomingTextMessage;
import org.whispersystems.jobqueue.JobParameters;
import org.whispersystems.libaxolotl.util.guava.Optional;
import java.util.LinkedList;
import java.util.List;
public class SmsReceiveJob extends ContextJob {
private static final String TAG = SmsReceiveJob.class.getSimpleName();
private final Object[] pdus;
public SmsReceiveJob(Context context, Object[] pdus) {
super(context, JobParameters.newBuilder()
.withPersistence()
.withWakeLock(true)
.create());
this.pdus = pdus;
}
@Override
public void onAdded() {}
@Override
public void onRun() {
Optional<IncomingTextMessage> message = assembleMessageFragments(pdus);
MasterSecret masterSecret = KeyCachingService.getMasterSecret(context);
MasterSecretUnion masterSecretUnion;
if (masterSecret == null) {
masterSecretUnion = new MasterSecretUnion(MasterSecretUtil.getAsymmetricMasterSecret(context, null));
} else {
masterSecretUnion = new MasterSecretUnion(masterSecret);
}
if (message.isPresent() && !isBlocked(message.get())) {
Pair<Long, Long> messageAndThreadId = storeMessage(masterSecretUnion, message.get());
MessageNotifier.updateNotification(context, masterSecret, messageAndThreadId.second);
} else if (message.isPresent()) {
Log.w(TAG, "*** Received blocked SMS, ignoring...");
}
}
@Override
public void onCanceled() {
}
@Override
public boolean onShouldRetry(Exception exception) {
return false;
}
private boolean isBlocked(IncomingTextMessage message) {
if (message.getSender() != null) {
Recipients recipients = RecipientFactory.getRecipientsFromString(context, message.getSender(), false);
return recipients.isBlocked();
}
return false;
}
private Pair<Long, Long> storeMessage(MasterSecretUnion masterSecret, IncomingTextMessage message) {
EncryptingSmsDatabase database = DatabaseFactory.getEncryptingSmsDatabase(context);
Pair<Long, Long> messageAndThreadId;
if (message.isSecureMessage()) {
IncomingTextMessage placeholder = new IncomingTextMessage(message, "");
messageAndThreadId = database.insertMessageInbox(placeholder);
database.markAsLegacyVersion(messageAndThreadId.first);
} else {
messageAndThreadId = database.insertMessageInbox(masterSecret, message);
}
return messageAndThreadId;
}
private Optional<IncomingTextMessage> assembleMessageFragments(Object[] pdus) {
List<IncomingTextMessage> messages = new LinkedList<>();
for (Object pdu : pdus) {
messages.add(new IncomingTextMessage(SmsMessage.createFromPdu((byte[])pdu)));
}
if (messages.isEmpty()) {
return Optional.absent();
}
return Optional.of(new IncomingTextMessage(messages));
}
}