Examples with SignalProtocolAddress org.whispersystems.libsignal.SignalProtocolAddress used on opensource projects

Example 31 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Signal-Android by signalapp.

the class DirectoryHelper method hasSession.

public static boolean hasSession(@NonNull RecipientId id) {
    Recipient recipient = Recipient.resolved(id);
    if (!recipient.hasServiceId()) {
        return false;
    }
    SignalProtocolAddress protocolAddress = Recipient.resolved(id).requireServiceId().toProtocolAddress(SignalServiceAddress.DEFAULT_DEVICE_ID);
    return ApplicationDependencies.getProtocolStore().aci().containsSession(protocolAddress) || ApplicationDependencies.getProtocolStore().pni().containsSession(protocolAddress);
}

Example 32 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Signal-Android by signalapp.

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);
    }
}

Example 33 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Signal-Android by signalapp.

the class PushDecryptMessageJob method handleSenderKeyDistributionMessage.

private void handleSenderKeyDistributionMessage(@NonNull SignalServiceAddress address, int deviceId, @NonNull SenderKeyDistributionMessage message) {
    Log.i(TAG, "Processing SenderKeyDistributionMessage.");
    SignalServiceMessageSender sender = ApplicationDependencies.getSignalServiceMessageSender();
    sender.processSenderKeyDistributionMessage(new SignalProtocolAddress(address.getIdentifier(), deviceId), message);
}

Example 34 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Signal-Android by signalapp.

the class SignalServiceCipher method decrypt.

private Plaintext decrypt(SignalServiceEnvelope envelope, byte[] ciphertext) throws InvalidMetadataMessageException, InvalidMetadataVersionException, ProtocolDuplicateMessageException, ProtocolUntrustedIdentityException, ProtocolLegacyMessageException, ProtocolInvalidKeyException, ProtocolInvalidVersionException, ProtocolInvalidMessageException, ProtocolInvalidKeyIdException, ProtocolNoSessionException, SelfSendException, InvalidMessageStructureException {
    try {
        byte[] paddedMessage;
        SignalServiceMetadata metadata;
        if (!envelope.hasSourceUuid() && !envelope.isUnidentifiedSender()) {
            throw new InvalidMessageStructureException("Non-UD envelope is missing a UUID!");
        }
        if (envelope.isPreKeySignalMessage()) {
            SignalProtocolAddress sourceAddress = new SignalProtocolAddress(envelope.getSourceUuid().get(), envelope.getSourceDevice());
            SignalSessionCipher sessionCipher = new SignalSessionCipher(sessionLock, new SessionCipher(signalProtocolStore, sourceAddress));
            paddedMessage = sessionCipher.decrypt(new PreKeySignalMessage(ciphertext));
            metadata = new SignalServiceMetadata(envelope.getSourceAddress(), envelope.getSourceDevice(), envelope.getTimestamp(), envelope.getServerReceivedTimestamp(), envelope.getServerDeliveredTimestamp(), false, envelope.getServerGuid(), Optional.absent());
            signalProtocolStore.clearSenderKeySharedWith(Collections.singleton(sourceAddress));
        } else if (envelope.isSignalMessage()) {
            SignalProtocolAddress sourceAddress = new SignalProtocolAddress(envelope.getSourceUuid().get(), envelope.getSourceDevice());
            SignalSessionCipher sessionCipher = new SignalSessionCipher(sessionLock, new SessionCipher(signalProtocolStore, sourceAddress));
            paddedMessage = sessionCipher.decrypt(new SignalMessage(ciphertext));
            metadata = new SignalServiceMetadata(envelope.getSourceAddress(), envelope.getSourceDevice(), envelope.getTimestamp(), envelope.getServerReceivedTimestamp(), envelope.getServerDeliveredTimestamp(), false, envelope.getServerGuid(), Optional.absent());
        } else if (envelope.isPlaintextContent()) {
            paddedMessage = new PlaintextContent(ciphertext).getBody();
            metadata = new SignalServiceMetadata(envelope.getSourceAddress(), envelope.getSourceDevice(), envelope.getTimestamp(), envelope.getServerReceivedTimestamp(), envelope.getServerDeliveredTimestamp(), false, envelope.getServerGuid(), Optional.absent());
        } else if (envelope.isUnidentifiedSender()) {
            SignalSealedSessionCipher sealedSessionCipher = new SignalSealedSessionCipher(sessionLock, new SealedSessionCipher(signalProtocolStore, localAddress.getServiceId().uuid(), localAddress.getNumber().orNull(), localDeviceId));
            DecryptionResult result = sealedSessionCipher.decrypt(certificateValidator, ciphertext, envelope.getServerReceivedTimestamp());
            SignalServiceAddress resultAddress = new SignalServiceAddress(ACI.parseOrThrow(result.getSenderUuid()), result.getSenderE164());
            Optional<byte[]> groupId = result.getGroupId();
            boolean needsReceipt = true;
            if (envelope.hasSourceUuid()) {
                Log.w(TAG, "[" + envelope.getTimestamp() + "] Received a UD-encrypted message sent over an identified channel. Marking as needsReceipt=false");
                needsReceipt = false;
            }
            if (result.getCiphertextMessageType() == CiphertextMessage.PREKEY_TYPE) {
                signalProtocolStore.clearSenderKeySharedWith(Collections.singleton(new SignalProtocolAddress(result.getSenderUuid(), result.getDeviceId())));
            }
            paddedMessage = result.getPaddedMessage();
            metadata = new SignalServiceMetadata(resultAddress, result.getDeviceId(), envelope.getTimestamp(), envelope.getServerReceivedTimestamp(), envelope.getServerDeliveredTimestamp(), needsReceipt, envelope.getServerGuid(), groupId);
        } else {
            throw new InvalidMetadataMessageException("Unknown type: " + envelope.getType());
        }
        PushTransportDetails transportDetails = new PushTransportDetails();
        byte[] data = transportDetails.getStrippedPaddingMessageBody(paddedMessage);
        return new Plaintext(metadata, data);
    } catch (DuplicateMessageException e) {
        throw new ProtocolDuplicateMessageException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    } catch (LegacyMessageException e) {
        throw new ProtocolLegacyMessageException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    } catch (InvalidMessageException e) {
        throw new ProtocolInvalidMessageException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    } catch (InvalidKeyIdException e) {
        throw new ProtocolInvalidKeyIdException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    } catch (InvalidKeyException e) {
        throw new ProtocolInvalidKeyException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    } catch (UntrustedIdentityException e) {
        throw new ProtocolUntrustedIdentityException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    } catch (InvalidVersionException e) {
        throw new ProtocolInvalidVersionException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    } catch (NoSessionException e) {
        throw new ProtocolNoSessionException(e, envelope.getSourceIdentifier(), envelope.getSourceDevice());
    }
}

Example 35 with SignalProtocolAddress

use of org.whispersystems.libsignal.SignalProtocolAddress in project Signal-Android by signalapp.

the class SignalServiceCipher method encryptForGroup.

public byte[] encryptForGroup(DistributionId distributionId, List<SignalProtocolAddress> destinations, SenderCertificate senderCertificate, byte[] unpaddedMessage, ContentHint contentHint, byte[] groupId) throws NoSessionException, UntrustedIdentityException, InvalidKeyException, InvalidRegistrationIdException {
    PushTransportDetails transport = new PushTransportDetails();
    SignalProtocolAddress localProtocolAddress = new SignalProtocolAddress(localAddress.getIdentifier(), localDeviceId);
    SignalGroupCipher groupCipher = new SignalGroupCipher(sessionLock, new GroupCipher(signalProtocolStore, localProtocolAddress));
    SignalSealedSessionCipher sessionCipher = new SignalSealedSessionCipher(sessionLock, new SealedSessionCipher(signalProtocolStore, localAddress.getServiceId().uuid(), localAddress.getNumber().orNull(), localDeviceId));
    CiphertextMessage message = groupCipher.encrypt(distributionId.asUuid(), transport.getPaddedMessageBody(unpaddedMessage));
    UnidentifiedSenderMessageContent messageContent = new UnidentifiedSenderMessageContent(message, senderCertificate, contentHint.getType(), Optional.of(groupId));
    return sessionCipher.multiRecipientEncrypt(destinations, messageContent);
}