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Message sender cleanup.

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This commit is contained in:
Anton Chekulaev 2020-12-10 14:15:22 +11:00
parent ea0c3c8a36
commit 99f9e60a50
1 changed files with 19 additions and 12 deletions
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31
libsignal/src/main/java/org/session/libsignal/service/api/SignalServiceMessageSender.java
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@ -1374,7 +1374,8 @@ public class SignalServiceMessageSender {
// } // }
// } // }
} else { } else {
OutgoingPushMessage message = getFallbackCipherEncryptedMessage(recipient.getNumber(), plaintext, unidentifiedAccess); //AC: Use unencrypted messages for private chats.
OutgoingPushMessage message = getUnencryptedMessage(plaintext);
messages.add(message); messages.add(message);
} }
} }
@ -1382,24 +1383,30 @@ public class SignalServiceMessageSender {
return new OutgoingPushMessageList(recipient.getNumber(), timestamp, messages, online); return new OutgoingPushMessageList(recipient.getNumber(), timestamp, messages, online);
} }
private OutgoingPushMessage getUnencryptedMessage(byte[] plaintext) {
Log.d("Loki", "Bypassing cipher and preparing a plaintext message.");
int deviceID = SignalServiceAddress.DEFAULT_DEVICE_ID;
PushTransportDetails transportDetails = new PushTransportDetails(FallbackSessionCipher.getSessionVersion());
byte[] bytes = transportDetails.getPaddedMessageBody(plaintext);
return new OutgoingPushMessage(SignalServiceProtos.Envelope.Type.UNIDENTIFIED_SENDER_VALUE, deviceID, 0, Base64.encodeBytes(bytes));
}
private OutgoingPushMessage getFallbackCipherEncryptedMessage(String publicKey, byte[] plaintext, Optional<UnidentifiedAccess> unidentifiedAccess) private OutgoingPushMessage getFallbackCipherEncryptedMessage(String publicKey, byte[] plaintext, Optional<UnidentifiedAccess> unidentifiedAccess)
throws InvalidKeyException throws InvalidKeyException
{ {
Log.d("Loki", "Using fallback cipher."); Log.d("Loki", "Using fallback cipher.");
int deviceID = SignalServiceAddress.DEFAULT_DEVICE_ID; int deviceID = SignalServiceAddress.DEFAULT_DEVICE_ID;
// SignalProtocolAddress signalProtocolAddress = new SignalProtocolAddress(publicKey, deviceID); SignalProtocolAddress signalProtocolAddress = new SignalProtocolAddress(publicKey, deviceID);
// byte[] userPrivateKey = store.getIdentityKeyPair().getPrivateKey().serialize(); byte[] userPrivateKey = store.getIdentityKeyPair().getPrivateKey().serialize();
// FallbackSessionCipher cipher = new FallbackSessionCipher(userPrivateKey, publicKey); FallbackSessionCipher cipher = new FallbackSessionCipher(userPrivateKey, publicKey);
PushTransportDetails transportDetails = new PushTransportDetails(FallbackSessionCipher.getSessionVersion()); PushTransportDetails transportDetails = new PushTransportDetails(FallbackSessionCipher.getSessionVersion());
// byte[] bytes = cipher.encrypt(transportDetails.getPaddedMessageBody(plaintext)); byte[] bytes = cipher.encrypt(transportDetails.getPaddedMessageBody(plaintext));
byte[] bytes = transportDetails.getPaddedMessageBody(plaintext); if (bytes == null) { bytes = new byte[0]; }
// if (bytes == null) { bytes = new byte[0]; }
if (unidentifiedAccess.isPresent()) { if (unidentifiedAccess.isPresent()) {
// SealedSessionCipher sealedSessionCipher = new SealedSessionCipher(store, null, signalProtocolAddress); SealedSessionCipher sealedSessionCipher = new SealedSessionCipher(store, null, signalProtocolAddress);
// FallbackMessage message = new FallbackMessage(bytes); FallbackMessage message = new FallbackMessage(bytes);
// byte[] ciphertext = sealedSessionCipher.encrypt(signalProtocolAddress, unidentifiedAccess.get().getUnidentifiedCertificate(), message); byte[] ciphertext = sealedSessionCipher.encrypt(signalProtocolAddress, unidentifiedAccess.get().getUnidentifiedCertificate(), message);
// return new OutgoingPushMessage(SignalServiceProtos.Envelope.Type.UNIDENTIFIED_SENDER_VALUE, deviceID, 0, Base64.encodeBytes(ciphertext)); return new OutgoingPushMessage(SignalServiceProtos.Envelope.Type.UNIDENTIFIED_SENDER_VALUE, deviceID, 0, Base64.encodeBytes(ciphertext));
return new OutgoingPushMessage(SignalServiceProtos.Envelope.Type.UNIDENTIFIED_SENDER_VALUE, deviceID, 0, Base64.encodeBytes(bytes));
} else { } else {
return new OutgoingPushMessage(SignalServiceProtos.Envelope.Type.FALLBACK_MESSAGE_VALUE, deviceID, 0, Base64.encodeBytes(bytes)); return new OutgoingPushMessage(SignalServiceProtos.Envelope.Type.FALLBACK_MESSAGE_VALUE, deviceID, 0, Base64.encodeBytes(bytes));
} }