Java LegacyMessageException类代码示例

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
private byte[] decrypt(SignalServiceEnvelope envelope, byte[] ciphertext)
    throws InvalidVersionException, InvalidMessageException, InvalidKeyException,
           DuplicateMessageException, InvalidKeyIdException, UntrustedIdentityException,
           LegacyMessageException, NoSessionException
{
  SignalProtocolAddress sourceAddress = new SignalProtocolAddress(envelope.getSource(), envelope.getSourceDevice());
  SessionCipher         sessionCipher = new SessionCipher(signalProtocolStore, sourceAddress);

  byte[] paddedMessage;

  if (envelope.isPreKeySignalMessage()) {
    paddedMessage = sessionCipher.decrypt(new PreKeySignalMessage(ciphertext));
  } else if (envelope.isSignalMessage()) {
    paddedMessage = sessionCipher.decrypt(new SignalMessage(ciphertext));
  } else {
    throw new InvalidMessageException("Unknown type: " + envelope.getType());
  }

  PushTransportDetails transportDetails = new PushTransportDetails(sessionCipher.getSessionVersion());
  return transportDetails.getStrippedPaddingMessageBody(paddedMessage);
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
@WorkerThread
private IncomingMessage tryFetchLatestMessage() throws TimeoutException {
    if (this.messagePipe == null) {
        this.messagePipe = messageReceiver.createMessagePipe();
    }

    try {
        final SignalServiceEnvelope envelope = messagePipe.read(INCOMING_MESSAGE_TIMEOUT, TimeUnit.SECONDS);
        return decryptIncomingSignalServiceEnvelope(envelope);
    } catch (final TimeoutException ex) {
        throw new TimeoutException(ex.getMessage());
    } catch (final IllegalStateException | InvalidKeyException | InvalidKeyIdException | DuplicateMessageException | InvalidVersionException | LegacyMessageException | InvalidMessageException | NoSessionException | org.whispersystems.libsignal.UntrustedIdentityException | IOException e) {
        LogUtil.exception(getClass(), "Error while fetching latest message", e);
    }
    return null;
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
private IncomingMessage handleIncomingSofaMessage(final SignalServiceEnvelope envelope) throws InvalidVersionException, InvalidMessageException, InvalidKeyException, DuplicateMessageException, InvalidKeyIdException, org.whispersystems.libsignal.UntrustedIdentityException, LegacyMessageException, NoSessionException {
    final SignalServiceAddress localAddress = new SignalServiceAddress(this.wallet.getOwnerAddress());
    final SignalServiceCipher cipher = new SignalServiceCipher(localAddress, this.protocolStore);
    final SignalServiceContent content = cipher.decrypt(envelope);
    final String messageSource = envelope.getSource();

    if (isUserBlocked(messageSource)) {
        LogUtil.i(getClass(), "A blocked user is trying to send a message");
        return null;
    }

    if (content.getDataMessage().isPresent()) {
        final SignalServiceDataMessage dataMessage = content.getDataMessage().get();
        if (dataMessage.isGroupUpdate()) return taskGroupUpdate.run(messageSource, dataMessage);
        else return taskHandleMessage.run(messageSource, dataMessage);
    }
    return null;
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
public IncomingTextMessage decrypt(Context context, IncomingTextMessage message)
    throws LegacyMessageException, InvalidMessageException,
           DuplicateMessageException, NoSessionException
{
  try {
    byte[]        decoded       = transportDetails.getDecodedMessage(message.getMessageBody().getBytes());
    SignalMessage signalMessage = new SignalMessage(decoded);
    SessionCipher sessionCipher = new SessionCipher(signalProtocolStore, new SignalProtocolAddress(message.getSender(), 1));
    byte[]        padded        = sessionCipher.decrypt(signalMessage);
    byte[]        plaintext     = transportDetails.getStrippedPaddingMessageBody(padded);

    if (message.isEndSession() && "TERMINATE".equals(new String(plaintext))) {
      signalProtocolStore.deleteSession(new SignalProtocolAddress(message.getSender(), 1));
    }

    return message.withMessageBody(new String(plaintext));
  } catch (IOException | IllegalArgumentException | NullPointerException e) {
    throw new InvalidMessageException(e);
  }
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
public OutgoingKeyExchangeMessage process(Context context, IncomingKeyExchangeMessage message)
    throws UntrustedIdentityException, StaleKeyExchangeException,
           InvalidVersionException, LegacyMessageException, InvalidMessageException
{
  try {
    Recipients            recipients            = RecipientFactory.getRecipientsFromString(context, message.getSender(), false);
    SignalProtocolAddress signalProtocolAddress = new SignalProtocolAddress(message.getSender(), 1);
    KeyExchangeMessage    exchangeMessage       = new KeyExchangeMessage(transportDetails.getDecodedMessage(message.getMessageBody().getBytes()));
    SessionBuilder        sessionBuilder        = new SessionBuilder(signalProtocolStore, signalProtocolAddress);

    KeyExchangeMessage response        = sessionBuilder.process(exchangeMessage);

    if (response != null) {
      byte[] serializedResponse = transportDetails.getEncodedMessage(response.serialize());
      return new OutgoingKeyExchangeMessage(recipients, new String(serializedResponse), message.getSubscriptionId());
    } else {
      return null;
    }
  } catch (IOException | InvalidKeyException e) {
    throw new InvalidMessageException(e);
  }
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
public ReceiveKeyDialog(@NonNull Context context,
                        @NonNull MasterSecret masterSecret,
                        @NonNull MessageRecord messageRecord)
{
  super(context);

  try{
    final IncomingKeyExchangeMessage message = getMessage(messageRecord);
    final IdentityKey identityKey = getIdentityKey(message);

    if (isTrusted(masterSecret, identityKey, messageRecord.getIndividualRecipient())){
      setMessage(context.getString(R.string.ReceiveKeyActivity_the_signature_on_this_key_exchange_is_trusted_but));
    } else {
      setUntrustedText(messageRecord, identityKey);
    }

    setButton(AlertDialog.BUTTON_POSITIVE, context.getString(R.string.receive_key_activity__complete), new AcceptListener(masterSecret, messageRecord, message, identityKey));
    setButton(AlertDialog.BUTTON_NEGATIVE, context.getString(android.R.string.cancel), new CancelListener());

  } catch (InvalidKeyException | InvalidVersionException | InvalidMessageException | LegacyMessageException e) {
    throw new AssertionError(e);
  }

}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
private static IncomingKeyExchangeMessage getMessage(MessageRecord messageRecord)
    throws InvalidKeyException, InvalidVersionException,
           InvalidMessageException, LegacyMessageException
{
  IncomingTextMessage message = new IncomingTextMessage(messageRecord.getIndividualRecipient().getNumber(),
                                                        messageRecord.getRecipientDeviceId(),
                                                        System.currentTimeMillis(),
                                                        messageRecord.getBody().getBody());

  if (messageRecord.isBundleKeyExchange()) {
    return new IncomingPreKeyBundleMessage(message, message.getMessageBody());
  } else if (messageRecord.isIdentityUpdate()) {
    return new IncomingIdentityUpdateMessage(message, message.getMessageBody());
  } else {
    return new IncomingKeyExchangeMessage(message, message.getMessageBody());
  }
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
private static IdentityKey getIdentityKey(IncomingKeyExchangeMessage message)
        throws InvalidKeyException, InvalidVersionException,
        InvalidMessageException, LegacyMessageException
{
  try {
    if (message.isIdentityUpdate()) {
      return new IdentityKey(Base64.decodeWithoutPadding(message.getMessageBody()), 0);
    } else if (message.isPreKeyBundle()) {
      return new PreKeySignalMessage(Base64.decodeWithoutPadding(message.getMessageBody())).getIdentityKey();
    } else {
      return new KeyExchangeMessage(Base64.decodeWithoutPadding(message.getMessageBody())).getIdentityKey();
    }
  } catch (IOException e) {
    throw new AssertionError(e);
  }
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
public void testNoSession() throws InvalidMessageException, LegacyMessageException, NoSessionException, DuplicateMessageException {
    InMemorySenderKeyStore aliceStore = new InMemorySenderKeyStore();
    InMemorySenderKeyStore bobStore   = new InMemorySenderKeyStore();

    GroupSessionBuilder aliceSessionBuilder = new GroupSessionBuilder(aliceStore);
    GroupSessionBuilder bobSessionBuilder   = new GroupSessionBuilder(bobStore);

    GroupCipher aliceGroupCipher = new GroupCipher(aliceStore, GROUP_SENDER);
    GroupCipher bobGroupCipher   = new GroupCipher(bobStore, GROUP_SENDER);

    SenderKeyDistributionMessage sentAliceDistributionMessage     = aliceSessionBuilder.create(GROUP_SENDER);
    SenderKeyDistributionMessage receivedAliceDistributionMessage = new SenderKeyDistributionMessage(sentAliceDistributionMessage.serialize());

//    bobSessionBuilder.process(GROUP_SENDER, receivedAliceDistributionMessage);

    byte[] ciphertextFromAlice = aliceGroupCipher.encrypt("smert ze smert".getBytes());
    try {
      byte[] plaintextFromAlice  = bobGroupCipher.decrypt(ciphertextFromAlice);
      throw new AssertionError("Should be no session!");
    } catch (NoSessionException e) {
      // good
    }
  }
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
public void testBasicEncryptDecrypt()
    throws LegacyMessageException, DuplicateMessageException, InvalidMessageException, NoSessionException
{
  InMemorySenderKeyStore aliceStore = new InMemorySenderKeyStore();
  InMemorySenderKeyStore bobStore   = new InMemorySenderKeyStore();

  GroupSessionBuilder aliceSessionBuilder = new GroupSessionBuilder(aliceStore);
  GroupSessionBuilder bobSessionBuilder   = new GroupSessionBuilder(bobStore);

  GroupCipher aliceGroupCipher = new GroupCipher(aliceStore, GROUP_SENDER);
  GroupCipher bobGroupCipher   = new GroupCipher(bobStore, GROUP_SENDER);

  SenderKeyDistributionMessage sentAliceDistributionMessage     = aliceSessionBuilder.create(GROUP_SENDER);
  SenderKeyDistributionMessage receivedAliceDistributionMessage = new SenderKeyDistributionMessage(sentAliceDistributionMessage.serialize());
  bobSessionBuilder.process(GROUP_SENDER, receivedAliceDistributionMessage);

  byte[] ciphertextFromAlice = aliceGroupCipher.encrypt("smert ze smert".getBytes());
  byte[] plaintextFromAlice  = bobGroupCipher.decrypt(ciphertextFromAlice);

  assertTrue(new String(plaintextFromAlice).equals("smert ze smert"));
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
public void testLargeMessages() throws InvalidMessageException, LegacyMessageException, NoSessionException, DuplicateMessageException {
  InMemorySenderKeyStore aliceStore = new InMemorySenderKeyStore();
  InMemorySenderKeyStore bobStore   = new InMemorySenderKeyStore();

  GroupSessionBuilder aliceSessionBuilder = new GroupSessionBuilder(aliceStore);
  GroupSessionBuilder bobSessionBuilder   = new GroupSessionBuilder(bobStore);

  GroupCipher aliceGroupCipher = new GroupCipher(aliceStore, GROUP_SENDER);
  GroupCipher bobGroupCipher   = new GroupCipher(bobStore, GROUP_SENDER);

  SenderKeyDistributionMessage sentAliceDistributionMessage     = aliceSessionBuilder.create(GROUP_SENDER);
  SenderKeyDistributionMessage receivedAliceDistributionMessage = new SenderKeyDistributionMessage(sentAliceDistributionMessage.serialize());
  bobSessionBuilder.process(GROUP_SENDER, receivedAliceDistributionMessage);

  byte[] plaintext = new byte[1024 * 1024];
  new Random().nextBytes(plaintext);

  byte[] ciphertextFromAlice = aliceGroupCipher.encrypt(plaintext);
  byte[] plaintextFromAlice  = bobGroupCipher.decrypt(ciphertextFromAlice);

  assertTrue(Arrays.equals(plaintext, plaintextFromAlice));
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
private IncomingMessage decryptIncomingSignalServiceEnvelope(final SignalServiceEnvelope envelope) throws InvalidVersionException, InvalidMessageException, InvalidKeyException, DuplicateMessageException, InvalidKeyIdException, org.whispersystems.libsignal.UntrustedIdentityException, LegacyMessageException, NoSessionException {
       // ToDo -- When do we need to create new keys?
/*       if (envelope.getType() == SignalServiceProtos.Envelope.Type.PREKEY_BUNDLE_VALUE) {
           // New keys need to be registered with the server.
           registerWithServer();
           return;
       }*/
       return handleIncomingSofaMessage(envelope);
   }
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
public KeyExchangeMessage(byte[] serialized)
    throws InvalidMessageException, InvalidVersionException, LegacyMessageException
{
  try {
    byte[][] parts        = ByteUtil.split(serialized, 1, serialized.length - 1);
    this.version          = ByteUtil.highBitsToInt(parts[0][0]);
    this.supportedVersion = ByteUtil.lowBitsToInt(parts[0][0]);

    if (this.version < CiphertextMessage.CURRENT_VERSION) {
      throw new LegacyMessageException("Unsupported legacy version: " + this.version);
    }

    if (this.version > CiphertextMessage.CURRENT_VERSION) {
      throw new InvalidVersionException("Unknown version: " + this.version);
    }

    SignalProtos.KeyExchangeMessage message = SignalProtos.KeyExchangeMessage.parseFrom(parts[1]);

    if (!message.hasId()           || !message.hasBaseKey()     ||
        !message.hasRatchetKey()   || !message.hasIdentityKey() ||
        !message.hasBaseKeySignature())
    {
      throw new InvalidMessageException("Some required fields missing!");
    }

    this.sequence         = message.getId() >> 5;
    this.flags            = message.getId() & 0x1f;
    this.serialized       = serialized;
    this.baseKey          = Curve.decodePoint(message.getBaseKey().toByteArray(), 0);
    this.baseKeySignature = message.getBaseKeySignature().toByteArray();
    this.ratchetKey       = Curve.decodePoint(message.getRatchetKey().toByteArray(), 0);
    this.identityKey      = new IdentityKey(message.getIdentityKey().toByteArray(), 0);
  } catch (InvalidKeyException | IOException e) {
    throw new InvalidMessageException(e);
  }
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
private void handleSecureMessage(MasterSecret masterSecret, long messageId, long threadId,
                                 IncomingTextMessage message)
    throws NoSessionException, DuplicateMessageException,
    InvalidMessageException, LegacyMessageException
{
  EncryptingSmsDatabase database  = DatabaseFactory.getEncryptingSmsDatabase(context);
  SmsCipher             cipher    = new SmsCipher(new SilenceSignalProtocolStore(context, masterSecret));
  IncomingTextMessage   plaintext = cipher.decrypt(context, message);

  database.updateMessageBody(masterSecret, messageId, plaintext.getMessageBody());

  if (message.isEndSession()) SecurityEvent.broadcastSecurityUpdateEvent(context, threadId);
}
 

import org.whispersystems.libsignal.LegacyMessageException; //导入依赖的package包/类
private void handleXmppExchangeMessage(MasterSecret masterSecret, long messageId, long threadId,
                                       IncomingXmppExchangeMessage message)
   throws NoSessionException, DuplicateMessageException, InvalidMessageException, LegacyMessageException
{
  EncryptingSmsDatabase database = DatabaseFactory.getEncryptingSmsDatabase(context);
  database.markAsXmppExchange(messageId);
}