use of org.whispersystems.signalservice.api.crypto.ContentHint 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);
}
}
use of org.whispersystems.signalservice.api.crypto.ContentHint 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!");
}
use of org.whispersystems.signalservice.api.crypto.ContentHint 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);
}
}
use of org.whispersystems.signalservice.api.crypto.ContentHint in project Signal-Android by signalapp.
the class MessageDecryptionUtil method handleRetry.
@NonNull
private static Job handleRetry(@NonNull Context context, @NonNull Recipient sender, @NonNull SignalServiceEnvelope envelope, @NonNull ProtocolException protocolException) {
ContentHint contentHint = ContentHint.fromType(protocolException.getContentHint());
int senderDevice = protocolException.getSenderDevice();
long receivedTimestamp = System.currentTimeMillis();
Optional<GroupId> groupId = Optional.absent();
if (protocolException.getGroupId().isPresent()) {
try {
groupId = Optional.of(GroupId.push(protocolException.getGroupId().get()));
} catch (BadGroupIdException e) {
Log.w(TAG, "[" + envelope.getTimestamp() + "] Bad groupId!");
}
}
Log.w(TAG, "[" + envelope.getTimestamp() + "] Could not decrypt a message with a type of " + contentHint);
long threadId;
if (groupId.isPresent()) {
Recipient groupRecipient = Recipient.externalPossiblyMigratedGroup(context, groupId.get());
threadId = SignalDatabase.threads().getOrCreateThreadIdFor(groupRecipient);
} else {
threadId = SignalDatabase.threads().getOrCreateThreadIdFor(sender);
}
switch(contentHint) {
case DEFAULT:
Log.w(TAG, "[" + envelope.getTimestamp() + "] Inserting an error right away because it's " + contentHint);
SignalDatabase.sms().insertBadDecryptMessage(sender.getId(), senderDevice, envelope.getTimestamp(), receivedTimestamp, threadId);
break;
case RESENDABLE:
Log.w(TAG, "[" + envelope.getTimestamp() + "] Inserting into pending retries store because it's " + contentHint);
ApplicationDependencies.getPendingRetryReceiptCache().insert(sender.getId(), senderDevice, envelope.getTimestamp(), receivedTimestamp, threadId);
ApplicationDependencies.getPendingRetryReceiptManager().scheduleIfNecessary();
break;
case IMPLICIT:
Log.w(TAG, "[" + envelope.getTimestamp() + "] Not inserting any error because it's " + contentHint);
break;
}
byte[] originalContent;
int envelopeType;
if (protocolException.getUnidentifiedSenderMessageContent().isPresent()) {
originalContent = protocolException.getUnidentifiedSenderMessageContent().get().getContent();
envelopeType = protocolException.getUnidentifiedSenderMessageContent().get().getType();
} else {
originalContent = envelope.getContent();
envelopeType = envelopeTypeToCiphertextMessageType(envelope.getType());
}
DecryptionErrorMessage decryptionErrorMessage = DecryptionErrorMessage.forOriginalMessage(originalContent, envelopeType, envelope.getTimestamp(), senderDevice);
return new SendRetryReceiptJob(sender.getId(), groupId, decryptionErrorMessage);
}
use of org.whispersystems.signalservice.api.crypto.ContentHint in project Signal-Android by WhisperSystems.
the class MessageDecryptionUtil method handleRetry.
@NonNull
private static Job handleRetry(@NonNull Context context, @NonNull Recipient sender, @NonNull SignalServiceEnvelope envelope, @NonNull ProtocolException protocolException) {
ContentHint contentHint = ContentHint.fromType(protocolException.getContentHint());
int senderDevice = protocolException.getSenderDevice();
long receivedTimestamp = System.currentTimeMillis();
Optional<GroupId> groupId = Optional.absent();
if (protocolException.getGroupId().isPresent()) {
try {
groupId = Optional.of(GroupId.push(protocolException.getGroupId().get()));
} catch (BadGroupIdException e) {
Log.w(TAG, "[" + envelope.getTimestamp() + "] Bad groupId!");
}
}
Log.w(TAG, "[" + envelope.getTimestamp() + "] Could not decrypt a message with a type of " + contentHint);
long threadId;
if (groupId.isPresent()) {
Recipient groupRecipient = Recipient.externalPossiblyMigratedGroup(context, groupId.get());
threadId = SignalDatabase.threads().getOrCreateThreadIdFor(groupRecipient);
} else {
threadId = SignalDatabase.threads().getOrCreateThreadIdFor(sender);
}
switch(contentHint) {
case DEFAULT:
Log.w(TAG, "[" + envelope.getTimestamp() + "] Inserting an error right away because it's " + contentHint);
SignalDatabase.sms().insertBadDecryptMessage(sender.getId(), senderDevice, envelope.getTimestamp(), receivedTimestamp, threadId);
break;
case RESENDABLE:
Log.w(TAG, "[" + envelope.getTimestamp() + "] Inserting into pending retries store because it's " + contentHint);
ApplicationDependencies.getPendingRetryReceiptCache().insert(sender.getId(), senderDevice, envelope.getTimestamp(), receivedTimestamp, threadId);
ApplicationDependencies.getPendingRetryReceiptManager().scheduleIfNecessary();
break;
case IMPLICIT:
Log.w(TAG, "[" + envelope.getTimestamp() + "] Not inserting any error because it's " + contentHint);
break;
}
byte[] originalContent;
int envelopeType;
if (protocolException.getUnidentifiedSenderMessageContent().isPresent()) {
originalContent = protocolException.getUnidentifiedSenderMessageContent().get().getContent();
envelopeType = protocolException.getUnidentifiedSenderMessageContent().get().getType();
} else {
originalContent = envelope.getContent();
envelopeType = envelopeTypeToCiphertextMessageType(envelope.getType());
}
DecryptionErrorMessage decryptionErrorMessage = DecryptionErrorMessage.forOriginalMessage(originalContent, envelopeType, envelope.getTimestamp(), senderDevice);
return new SendRetryReceiptJob(sender.getId(), groupId, decryptionErrorMessage);
}
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