Examples with GroupStaleDevices org.whispersystems.signalservice.internal.push.GroupStaleDevices used on opensource projects

Example 1 with GroupStaleDevices

use of org.whispersystems.signalservice.internal.push.GroupStaleDevices 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!");
}

Example 2 with GroupStaleDevices

use of org.whispersystems.signalservice.internal.push.GroupStaleDevices in project Signal-Android by WhisperSystems.

the class MessagingService method sendToGroup.

public Single<ServiceResponse<SendGroupMessageResponse>> sendToGroup(byte[] body, byte[] joinedUnidentifiedAccess, long timestamp, boolean online) {
    List<String> headers = new LinkedList<String>() {

        {
            add("content-type:application/vnd.signal-messenger.mrm");
            add("Unidentified-Access-Key:" + Base64.encodeBytes(joinedUnidentifiedAccess));
        }
    };
    String path = String.format(Locale.US, "/v1/messages/multi_recipient?ts=%s&online=%s", timestamp, online);
    WebSocketRequestMessage requestMessage = WebSocketRequestMessage.newBuilder().setId(new SecureRandom().nextLong()).setVerb("PUT").setPath(path).addAllHeaders(headers).setBody(ByteString.copyFrom(body)).build();
    return signalWebSocket.request(requestMessage).map(DefaultResponseMapper.extend(SendGroupMessageResponse.class).withCustomError(401, (status, errorBody, getHeader) -> new InvalidUnidentifiedAccessHeaderException()).withCustomError(404, (status, errorBody, getHeader) -> new NotFoundException("At least one unregistered user in message send.")).withCustomError(409, (status, errorBody, getHeader) -> {
        GroupMismatchedDevices[] mismatchedDevices = JsonUtil.fromJsonResponse(errorBody, GroupMismatchedDevices[].class);
        return new GroupMismatchedDevicesException(mismatchedDevices);
    }).withCustomError(410, (status, errorBody, getHeader) -> {
        GroupStaleDevices[] staleDevices = JsonUtil.fromJsonResponse(errorBody, GroupStaleDevices[].class);
        return new GroupStaleDevicesException(staleDevices);
    }).build()::map).onErrorReturn(ServiceResponse::forUnknownError);
}