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Handle unsealed PlaintextContent messages. 

Closes #11885

Co-authored-by: AsamK <asamk@gmx.de>
fork-5.53.8
Greyson Parrelli 2022-02-10 11:00:30 -05:00
rodzic 9917b5d7b4
commit ae0d6b5926
1 zmienionych plików z 4 dodań i 0 usunięć
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libsignal/service/src/main/java/org/whispersystems/signalservice/api/crypto/SignalServiceCipher.java
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@ -38,6 +38,7 @@ import org.whispersystems.libsignal.UntrustedIdentityException;
import org.whispersystems.libsignal.groups.GroupCipher;
import org.whispersystems.libsignal.logging.Log;
import org.whispersystems.libsignal.protocol.CiphertextMessage;
import org.whispersystems.libsignal.protocol.PlaintextContent;
import org.whispersystems.libsignal.protocol.PreKeySignalMessage;
import org.whispersystems.libsignal.protocol.SignalMessage;
import org.whispersystems.libsignal.util.guava.Optional;
@ -203,6 +204,9 @@ public class SignalServiceCipher {
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.getAci().uuid(), localAddress.getNumber().orNull(), localDeviceId));
DecryptionResult result = sealedSessionCipher.decrypt(certificateValidator, ciphertext, envelope.getServerReceivedTimestamp());