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Example 1 with SenderKeyDistributionMessage

use of org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage in project Signal-Android by WhisperSystems.

the class ResendMessageJob method onRun.

@Override
protected void onRun() throws Exception {
    if (SignalStore.internalValues().delayResends()) {
        Log.w(TAG, "Delaying resend by 10 sec because of an internal preference.");
        ThreadUtil.sleep(10000);
    }
    SignalServiceMessageSender messageSender = ApplicationDependencies.getSignalServiceMessageSender();
    Recipient recipient = Recipient.resolved(recipientId);
    if (recipient.isUnregistered()) {
        Log.w(TAG, recipient.getId() + " is unregistered!");
        return;
    }
    SignalServiceAddress address = RecipientUtil.toSignalServiceAddress(context, recipient);
    Optional<UnidentifiedAccessPair> access = UnidentifiedAccessUtil.getAccessFor(context, recipient);
    Content contentToSend = content;
    if (distributionId != null) {
        Optional<GroupRecord> groupRecord = SignalDatabase.groups().getGroupByDistributionId(distributionId);
        if (!groupRecord.isPresent()) {
            Log.w(TAG, "Could not find a matching group for the distributionId! Skipping message send.");
            return;
        } else if (!groupRecord.get().getMembers().contains(recipientId)) {
            Log.w(TAG, "The target user is no longer in the group! Skipping message send.");
            return;
        }
        SenderKeyDistributionMessage senderKeyDistributionMessage = messageSender.getOrCreateNewGroupSession(distributionId);
        ByteString distributionBytes = ByteString.copyFrom(senderKeyDistributionMessage.serialize());
        contentToSend = contentToSend.toBuilder().setSenderKeyDistributionMessage(distributionBytes).build();
    }
    SendMessageResult result = messageSender.resendContent(address, access, sentTimestamp, contentToSend, contentHint, Optional.fromNullable(groupId).transform(GroupId::getDecodedId));
    if (result.isSuccess() && distributionId != null) {
        List<SignalProtocolAddress> addresses = result.getSuccess().getDevices().stream().map(device -> recipient.requireServiceId().toProtocolAddress(device)).collect(Collectors.toList());
        ApplicationDependencies.getProtocolStore().aci().markSenderKeySharedWith(distributionId, addresses);
    }
}
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Example 2 with SenderKeyDistributionMessage

use of org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage in project Signal-Android by WhisperSystems.

the class SignalServiceMessageSender method sendGroupMessage.

/**
 * Will send a message using sender keys to all of the specified recipients. It is assumed that
 * all of the recipients have UUIDs.
 *
 * This method will handle sending out SenderKeyDistributionMessages as necessary.
 */
private List<SendMessageResult> sendGroupMessage(DistributionId distributionId, List<SignalServiceAddress> recipients, List<UnidentifiedAccess> unidentifiedAccess, long timestamp, Content content, ContentHint contentHint, byte[] groupId, boolean online, SenderKeyGroupEvents sendEvents) throws IOException, UntrustedIdentityException, NoSessionException, InvalidKeyException, InvalidRegistrationIdException {
    if (recipients.isEmpty()) {
        Log.w(TAG, "[sendGroupMessage][" + timestamp + "] Empty recipient list!");
        return Collections.emptyList();
    }
    Preconditions.checkArgument(recipients.size() == unidentifiedAccess.size(), "[" + timestamp + "] Unidentified access mismatch!");
    Map<ServiceId, UnidentifiedAccess> accessBySid = new HashMap<>();
    Iterator<SignalServiceAddress> addressIterator = recipients.iterator();
    Iterator<UnidentifiedAccess> accessIterator = unidentifiedAccess.iterator();
    while (addressIterator.hasNext()) {
        accessBySid.put(addressIterator.next().getServiceId(), accessIterator.next());
    }
    for (int i = 0; i < RETRY_COUNT; i++) {
        GroupTargetInfo targetInfo = buildGroupTargetInfo(recipients);
        Set<SignalProtocolAddress> sharedWith = store.getSenderKeySharedWith(distributionId);
        List<SignalServiceAddress> needsSenderKey = targetInfo.destinations.stream().filter(a -> !sharedWith.contains(a)).map(a -> ServiceId.parseOrThrow(a.getName())).distinct().map(SignalServiceAddress::new).collect(Collectors.toList());
        if (needsSenderKey.size() > 0) {
            Log.i(TAG, "[sendGroupMessage][" + timestamp + "] Need to send the distribution message to " + needsSenderKey.size() + " addresses.");
            SenderKeyDistributionMessage message = getOrCreateNewGroupSession(distributionId);
            List<Optional<UnidentifiedAccessPair>> access = needsSenderKey.stream().map(r -> {
                UnidentifiedAccess targetAccess = accessBySid.get(r.getServiceId());
                return Optional.of(new UnidentifiedAccessPair(targetAccess, targetAccess));
            }).collect(Collectors.toList());
            List<SendMessageResult> results = sendSenderKeyDistributionMessage(distributionId, needsSenderKey, access, message, groupId);
            List<SignalServiceAddress> successes = results.stream().filter(SendMessageResult::isSuccess).map(SendMessageResult::getAddress).collect(Collectors.toList());
            Set<String> successSids = successes.stream().map(a -> a.getServiceId().toString()).collect(Collectors.toSet());
            Set<SignalProtocolAddress> successAddresses = targetInfo.destinations.stream().filter(a -> successSids.contains(a.getName())).collect(Collectors.toSet());
            store.markSenderKeySharedWith(distributionId, successAddresses);
            Log.i(TAG, "[sendGroupMessage][" + timestamp + "] Successfully sent sender keys to " + successes.size() + "/" + needsSenderKey.size() + " recipients.");
            int failureCount = results.size() - successes.size();
            if (failureCount > 0) {
                Log.w(TAG, "[sendGroupMessage][" + timestamp + "] Failed to send sender keys to " + failureCount + " recipients. Sending back failed results now.");
                List<SendMessageResult> trueFailures = results.stream().filter(r -> !r.isSuccess()).collect(Collectors.toList());
                Set<ServiceId> failedAddresses = trueFailures.stream().map(result -> result.getAddress().getServiceId()).collect(Collectors.toSet());
                List<SendMessageResult> fakeNetworkFailures = recipients.stream().filter(r -> !failedAddresses.contains(r.getServiceId())).map(SendMessageResult::networkFailure).collect(Collectors.toList());
                List<SendMessageResult> modifiedResults = new LinkedList<>();
                modifiedResults.addAll(trueFailures);
                modifiedResults.addAll(fakeNetworkFailures);
                return modifiedResults;
            } else {
                targetInfo = buildGroupTargetInfo(recipients);
            }
        }
        sendEvents.onSenderKeyShared();
        SignalServiceCipher cipher = new SignalServiceCipher(localAddress, localDeviceId, store, sessionLock, null);
        SenderCertificate senderCertificate = unidentifiedAccess.get(0).getUnidentifiedCertificate();
        byte[] ciphertext;
        try {
            ciphertext = cipher.encryptForGroup(distributionId, targetInfo.destinations, senderCertificate, content.toByteArray(), contentHint, groupId);
        } catch (org.whispersystems.libsignal.UntrustedIdentityException e) {
            throw new UntrustedIdentityException("Untrusted during group encrypt", e.getName(), e.getUntrustedIdentity());
        }
        sendEvents.onMessageEncrypted();
        byte[] joinedUnidentifiedAccess = new byte[16];
        for (UnidentifiedAccess access : unidentifiedAccess) {
            joinedUnidentifiedAccess = ByteArrayUtil.xor(joinedUnidentifiedAccess, access.getUnidentifiedAccessKey());
        }
        try {
            try {
                SendGroupMessageResponse response = new MessagingService.SendResponseProcessor<>(messagingService.sendToGroup(ciphertext, joinedUnidentifiedAccess, timestamp, online).blockingGet()).getResultOrThrow();
                return transformGroupResponseToMessageResults(targetInfo.devices, response, content);
            } catch (InvalidUnidentifiedAccessHeaderException | NotFoundException | GroupMismatchedDevicesException | GroupStaleDevicesException e) {
                // Non-technical failures shouldn't be retried with socket
                throw e;
            } catch (WebSocketUnavailableException e) {
                Log.i(TAG, "[sendGroupMessage][" + timestamp + "] Pipe unavailable, falling back... (" + e.getClass().getSimpleName() + ": " + e.getMessage() + ")");
            } catch (IOException e) {
                Log.w(TAG, "[sendGroupMessage][" + timestamp + "] Pipe failed, falling back... (" + e.getClass().getSimpleName() + ": " + e.getMessage() + ")");
            }
            SendGroupMessageResponse response = socket.sendGroupMessage(ciphertext, joinedUnidentifiedAccess, timestamp, online);
            return transformGroupResponseToMessageResults(targetInfo.devices, response, content);
        } catch (GroupMismatchedDevicesException e) {
            Log.w(TAG, "[sendGroupMessage][" + timestamp + "] Handling mismatched devices. (" + e.getMessage() + ")");
            for (GroupMismatchedDevices mismatched : e.getMismatchedDevices()) {
                SignalServiceAddress address = new SignalServiceAddress(ACI.parseOrThrow(mismatched.getUuid()), Optional.absent());
                handleMismatchedDevices(socket, address, mismatched.getDevices());
            }
        } catch (GroupStaleDevicesException e) {
            Log.w(TAG, "[sendGroupMessage][" + timestamp + "] Handling stale devices. (" + e.getMessage() + ")");
            for (GroupStaleDevices stale : e.getStaleDevices()) {
                SignalServiceAddress address = new SignalServiceAddress(ACI.parseOrThrow(stale.getUuid()), Optional.absent());
                handleStaleDevices(address, stale.getDevices());
            }
        }
        Log.w(TAG, "[sendGroupMessage][" + timestamp + "] Attempt failed (i = " + i + ")");
    }
    throw new IOException("Failed to resolve conflicts after " + RETRY_COUNT + " attempts!");
}
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Example 3 with SenderKeyDistributionMessage

use of org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage in project Signal-Android by WhisperSystems.

the class SignalServiceContent method createFromProto.

/**
 * Takes internal protobuf serialization format and processes it into a {@link SignalServiceContent}.
 */
public static SignalServiceContent createFromProto(SignalServiceContentProto serviceContentProto) throws ProtocolInvalidMessageException, ProtocolInvalidKeyException, UnsupportedDataMessageException, InvalidMessageStructureException {
    SignalServiceMetadata metadata = SignalServiceMetadataProtobufSerializer.fromProtobuf(serviceContentProto.getMetadata());
    SignalServiceAddress localAddress = SignalServiceAddressProtobufSerializer.fromProtobuf(serviceContentProto.getLocalAddress());
    if (serviceContentProto.getDataCase() == SignalServiceContentProto.DataCase.LEGACYDATAMESSAGE) {
        SignalServiceProtos.DataMessage message = serviceContentProto.getLegacyDataMessage();
        return new SignalServiceContent(createSignalServiceMessage(metadata, message), Optional.absent(), metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), metadata.isNeedsReceipt(), metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
    } else if (serviceContentProto.getDataCase() == SignalServiceContentProto.DataCase.CONTENT) {
        SignalServiceProtos.Content message = serviceContentProto.getContent();
        Optional<SenderKeyDistributionMessage> senderKeyDistributionMessage = Optional.absent();
        if (message.hasSenderKeyDistributionMessage()) {
            try {
                senderKeyDistributionMessage = Optional.of(new SenderKeyDistributionMessage(message.getSenderKeyDistributionMessage().toByteArray()));
            } catch (LegacyMessageException | InvalidMessageException e) {
                Log.w(TAG, "Failed to parse SenderKeyDistributionMessage!", e);
            }
        }
        if (message.hasDataMessage()) {
            return new SignalServiceContent(createSignalServiceMessage(metadata, message.getDataMessage()), senderKeyDistributionMessage, metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), metadata.isNeedsReceipt(), metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
        } else if (message.hasSyncMessage() && localAddress.matches(metadata.getSender())) {
            return new SignalServiceContent(createSynchronizeMessage(metadata, message.getSyncMessage()), senderKeyDistributionMessage, metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), metadata.isNeedsReceipt(), metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
        } else if (message.hasCallMessage()) {
            return new SignalServiceContent(createCallMessage(message.getCallMessage()), senderKeyDistributionMessage, metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), metadata.isNeedsReceipt(), metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
        } else if (message.hasReceiptMessage()) {
            return new SignalServiceContent(createReceiptMessage(metadata, message.getReceiptMessage()), senderKeyDistributionMessage, metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), metadata.isNeedsReceipt(), metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
        } else if (message.hasTypingMessage()) {
            return new SignalServiceContent(createTypingMessage(metadata, message.getTypingMessage()), senderKeyDistributionMessage, metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), false, metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
        } else if (message.hasDecryptionErrorMessage()) {
            return new SignalServiceContent(createDecryptionErrorMessage(metadata, message.getDecryptionErrorMessage()), senderKeyDistributionMessage, metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), metadata.isNeedsReceipt(), metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
        } else if (senderKeyDistributionMessage.isPresent()) {
            return new SignalServiceContent(senderKeyDistributionMessage.get(), metadata.getSender(), metadata.getSenderDevice(), metadata.getTimestamp(), metadata.getServerReceivedTimestamp(), metadata.getServerDeliveredTimestamp(), false, metadata.getServerGuid(), metadata.getGroupId(), serviceContentProto);
        }
    }
    return null;
}
Also used : SignalServiceProtos(org.whispersystems.signalservice.internal.push.SignalServiceProtos) Optional(org.whispersystems.libsignal.util.guava.Optional) SenderKeyDistributionMessage(org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage) SignalServiceAddress(org.whispersystems.signalservice.api.push.SignalServiceAddress)

Example 4 with SenderKeyDistributionMessage

use of org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage in project Signal-Android by WhisperSystems.

the class SenderKeyDistributionSendJob method onRun.

@Override
protected void onRun() throws Exception {
    GroupDatabase groupDatabase = SignalDatabase.groups();
    if (!groupDatabase.isCurrentMember(groupId, recipientId)) {
        Log.w(TAG, recipientId + " is no longer a member of " + groupId + "! Not sending.");
        return;
    }
    Recipient recipient = Recipient.resolved(recipientId);
    if (recipient.getSenderKeyCapability() != Recipient.Capability.SUPPORTED) {
        Log.w(TAG, recipientId + " does not support sender key! Not sending.");
        return;
    }
    if (recipient.isUnregistered()) {
        Log.w(TAG, recipient.getId() + " not registered!");
        return;
    }
    SignalServiceMessageSender messageSender = ApplicationDependencies.getSignalServiceMessageSender();
    List<SignalServiceAddress> address = Collections.singletonList(RecipientUtil.toSignalServiceAddress(context, recipient));
    DistributionId distributionId = groupDatabase.getOrCreateDistributionId(groupId);
    SenderKeyDistributionMessage message = messageSender.getOrCreateNewGroupSession(distributionId);
    List<Optional<UnidentifiedAccessPair>> access = UnidentifiedAccessUtil.getAccessFor(context, Collections.singletonList(recipient));
    SendMessageResult result = messageSender.sendSenderKeyDistributionMessage(distributionId, address, access, message, groupId.getDecodedId()).get(0);
    if (result.isSuccess()) {
        List<SignalProtocolAddress> addresses = result.getSuccess().getDevices().stream().map(device -> recipient.requireServiceId().toProtocolAddress(device)).collect(Collectors.toList());
        ApplicationDependencies.getProtocolStore().aci().markSenderKeySharedWith(distributionId, addresses);
    }
}
Also used : SignalDatabase(org.thoughtcrime.securesms.database.SignalDatabase) SendMessageResult(org.whispersystems.signalservice.api.messages.SendMessageResult) NonNull(androidx.annotation.NonNull) Data(org.thoughtcrime.securesms.jobmanager.Data) RecipientUtil(org.thoughtcrime.securesms.recipients.RecipientUtil) SignalServiceAddress(org.whispersystems.signalservice.api.push.SignalServiceAddress) UnidentifiedAccessPair(org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair) RecipientId(org.thoughtcrime.securesms.recipients.RecipientId) SignalProtocolAddress(org.whispersystems.libsignal.SignalProtocolAddress) Recipient(org.thoughtcrime.securesms.recipients.Recipient) DistributionId(org.whispersystems.signalservice.api.push.DistributionId) SignalServiceMessageSender(org.whispersystems.signalservice.api.SignalServiceMessageSender) ApplicationDependencies(org.thoughtcrime.securesms.dependencies.ApplicationDependencies) SenderKeyDistributionMessage(org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage) NetworkConstraint(org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint) UnidentifiedAccessUtil(org.thoughtcrime.securesms.crypto.UnidentifiedAccessUtil) GroupDatabase(org.thoughtcrime.securesms.database.GroupDatabase) Collectors(java.util.stream.Collectors) Optional(org.whispersystems.libsignal.util.guava.Optional) TimeUnit(java.util.concurrent.TimeUnit) Log(org.signal.core.util.logging.Log) List(java.util.List) GroupId(org.thoughtcrime.securesms.groups.GroupId) Job(org.thoughtcrime.securesms.jobmanager.Job) Collections(java.util.Collections) Optional(org.whispersystems.libsignal.util.guava.Optional) SignalServiceMessageSender(org.whispersystems.signalservice.api.SignalServiceMessageSender) Recipient(org.thoughtcrime.securesms.recipients.Recipient) DistributionId(org.whispersystems.signalservice.api.push.DistributionId) SendMessageResult(org.whispersystems.signalservice.api.messages.SendMessageResult) SenderKeyDistributionMessage(org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage) GroupDatabase(org.thoughtcrime.securesms.database.GroupDatabase) SignalServiceAddress(org.whispersystems.signalservice.api.push.SignalServiceAddress) SignalProtocolAddress(org.whispersystems.libsignal.SignalProtocolAddress)

Aggregations

SenderKeyDistributionMessage (org.whispersystems.libsignal.protocol.SenderKeyDistributionMessage)4 Optional (org.whispersystems.libsignal.util.guava.Optional)4 SignalServiceAddress (org.whispersystems.signalservice.api.push.SignalServiceAddress)4 List (java.util.List)3 Collectors (java.util.stream.Collectors)3 SignalProtocolAddress (org.whispersystems.libsignal.SignalProtocolAddress)3 UnidentifiedAccessPair (org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair)3 SendMessageResult (org.whispersystems.signalservice.api.messages.SendMessageResult)3 DistributionId (org.whispersystems.signalservice.api.push.DistributionId)3 NonNull (androidx.annotation.NonNull)2 ByteString (com.google.protobuf.ByteString)2 Collections (java.util.Collections)2 TimeUnit (java.util.concurrent.TimeUnit)2 Log (org.signal.core.util.logging.Log)2 UnidentifiedAccessUtil (org.thoughtcrime.securesms.crypto.UnidentifiedAccessUtil)2 SignalDatabase (org.thoughtcrime.securesms.database.SignalDatabase)2 ApplicationDependencies (org.thoughtcrime.securesms.dependencies.ApplicationDependencies)2 GroupId (org.thoughtcrime.securesms.groups.GroupId)2 ContentHint (org.whispersystems.signalservice.api.crypto.ContentHint)2 PushNetworkException (org.whispersystems.signalservice.api.push.exceptions.PushNetworkException)2