mirror of
https://github.com/oxen-io/session-android.git
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Some identity key handling changes
1) Prefetch identity keys when possible 2) Always accept prefetched keys or keys from incoming messages 3) Block sending only if it's a recent change, or if always block is enabled // FREEBIE
This commit is contained in:
Moxie Marlinspike
@@ -1,87 +0,0 @@
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package org.thoughtcrime.securesms.jobs;
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import android.content.Context;
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import android.util.Log;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.GroupDatabase;
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import org.thoughtcrime.securesms.database.SmsDatabase;
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import org.thoughtcrime.securesms.database.ThreadDatabase;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.thoughtcrime.securesms.recipients.RecipientFactory;
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import org.thoughtcrime.securesms.recipients.Recipients;
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import org.thoughtcrime.securesms.sms.IncomingIdentityUpdateMessage;
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import org.thoughtcrime.securesms.sms.IncomingTextMessage;
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import org.thoughtcrime.securesms.util.Util;
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import org.whispersystems.jobqueue.JobParameters;
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import org.whispersystems.libsignal.util.guava.Optional;
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import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
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import org.whispersystems.signalservice.api.util.InvalidNumberException;
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public class IdentityUpdateJob extends MasterSecretJob {
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private static final String TAG = IdentityUpdateJob.class.getSimpleName();
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private final long recipientId;
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public IdentityUpdateJob(Context context, long recipientId) {
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super(context, JobParameters.newBuilder()
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.withGroupId("IdentityUpdateJob")
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.withPersistence()
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.create());
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this.recipientId = recipientId;
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}
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@Override
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public void onRun(MasterSecret masterSecret) {
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Recipient recipient = RecipientFactory.getRecipientForId(context, recipientId, true);
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Recipients recipients = RecipientFactory.getRecipientsFor(context, recipient, true);
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long time = System.currentTimeMillis();
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SmsDatabase smsDatabase = DatabaseFactory.getSmsDatabase(context);
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ThreadDatabase threadDatabase = DatabaseFactory.getThreadDatabase(context);
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GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
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GroupDatabase.Reader reader = groupDatabase.getGroups();
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String number = recipient.getNumber();
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try {
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number = Util.canonicalizeNumber(context, number);
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} catch (InvalidNumberException e) {
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Log.w(TAG, e);
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}
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GroupDatabase.GroupRecord groupRecord;
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while ((groupRecord = reader.getNext()) != null) {
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if (groupRecord.getMembers().contains(number) && groupRecord.isActive()) {
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SignalServiceGroup group = new SignalServiceGroup(groupRecord.getId());
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IncomingTextMessage incoming = new IncomingTextMessage(number, 1, time, null, Optional.of(group), 0);
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IncomingIdentityUpdateMessage groupUpdate = new IncomingIdentityUpdateMessage(incoming);
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smsDatabase.insertMessageInbox(groupUpdate);
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}
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}
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if (threadDatabase.getThreadIdIfExistsFor(recipients) != -1) {
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IncomingTextMessage incoming = new IncomingTextMessage(number, 1, time, null, Optional.<SignalServiceGroup>absent(), 0);
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IncomingIdentityUpdateMessage individualUpdate = new IncomingIdentityUpdateMessage(incoming);
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smsDatabase.insertMessageInbox(individualUpdate);
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}
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}
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@Override
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public boolean onShouldRetryThrowable(Exception exception) {
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return false;
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}
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@Override
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public void onAdded() {
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}
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@Override
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public void onCanceled() {
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}
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}
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119
src/org/thoughtcrime/securesms/jobs/RetrieveProfileJob.java
Normal file
119
src/org/thoughtcrime/securesms/jobs/RetrieveProfileJob.java
Normal file
@@ -0,0 +1,119 @@
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package org.thoughtcrime.securesms.jobs;
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import android.content.Context;
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import android.support.annotation.NonNull;
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import android.util.Log;
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import org.thoughtcrime.securesms.crypto.storage.TextSecureIdentityKeyStore;
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import org.thoughtcrime.securesms.crypto.storage.TextSecureSessionStore;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.dependencies.InjectableType;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.thoughtcrime.securesms.recipients.RecipientFactory;
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import org.thoughtcrime.securesms.recipients.Recipients;
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import org.thoughtcrime.securesms.service.MessageRetrievalService;
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import org.thoughtcrime.securesms.util.Base64;
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import org.thoughtcrime.securesms.util.GroupUtil;
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import org.whispersystems.jobqueue.JobParameters;
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import org.whispersystems.libsignal.IdentityKey;
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import org.whispersystems.libsignal.InvalidKeyException;
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import org.whispersystems.libsignal.SignalProtocolAddress;
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import org.whispersystems.libsignal.state.IdentityKeyStore;
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import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
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import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
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import org.whispersystems.signalservice.api.push.SignalServiceAddress;
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import org.whispersystems.signalservice.api.push.SignalServiceProfile;
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import java.io.IOException;
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import javax.inject.Inject;
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import static org.whispersystems.libsignal.SessionCipher.SESSION_LOCK;
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public class RetrieveProfileJob extends ContextJob implements InjectableType {
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private static final String TAG = RetrieveProfileJob.class.getSimpleName();
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@Inject transient SignalServiceMessageReceiver receiver;
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private final long[] recipientIds;
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public RetrieveProfileJob(Context context, Recipients recipients) {
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super(context, JobParameters.newBuilder()
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.withRetryCount(3)
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.create());
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this.recipientIds = recipients.getIds();
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}
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@Override
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public void onAdded() {}
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@Override
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public void onRun() throws IOException, InvalidKeyException {
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Recipients recipients = RecipientFactory.getRecipientsForIds(context, recipientIds, true);
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for (Recipient recipient : recipients) {
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if (recipient.isGroupRecipient()) handleGroupRecipient(recipient);
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else handleIndividualRecipient(recipient);
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}
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}
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@Override
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public boolean onShouldRetry(Exception e) {
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return false;
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}
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@Override
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public void onCanceled() {}
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private void handleIndividualRecipient(Recipient recipient)
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throws IOException, InvalidKeyException
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{
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SignalServiceProfile profile = retrieveProfile(recipient.getNumber());
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IdentityKey identityKey = new IdentityKey(Base64.decode(profile.getIdentityKey()), 0);
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if (!DatabaseFactory.getIdentityDatabase(context)
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.getIdentity(recipient.getRecipientId())
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.isPresent())
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{
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Log.w(TAG, "Still first use...");
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return;
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}
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synchronized (SESSION_LOCK) {
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IdentityKeyStore identityKeyStore = new TextSecureIdentityKeyStore(context);
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if (identityKeyStore.saveIdentity(new SignalProtocolAddress(recipient.getNumber(), 1), identityKey)) {
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Log.w(TAG, "Deleting all sessions...");
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new TextSecureSessionStore(getContext()).deleteAllSessions(recipient.getNumber());
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}
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}
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}
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private void handleGroupRecipient(Recipient group)
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throws IOException, InvalidKeyException
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{
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byte[] groupId = GroupUtil.getDecodedId(group.getNumber());
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Recipients recipients = DatabaseFactory.getGroupDatabase(context).getGroupMembers(groupId, false);
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for (Recipient recipient : recipients) {
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handleIndividualRecipient(recipient);
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}
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}
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private SignalServiceProfile retrieveProfile(@NonNull String number) throws IOException {
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SignalServiceMessagePipe pipe = MessageRetrievalService.getPipe();
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if (pipe != null) {
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try {
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return pipe.getProfile(new SignalServiceAddress(number));
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} catch (IOException e) {
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Log.w(TAG, e);
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}
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}
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return receiver.retrieveProfile(new SignalServiceAddress(number));
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}
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}
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