Examples with SelfSendException org.signal.libsignal.metadata.SelfSendException used on opensource projects

Example 1 with SelfSendException

use of org.signal.libsignal.metadata.SelfSendException in project Signal-Android by WhisperSystems.

the class MessageDecryptionUtil method decrypt.

/**
 * Takes a {@link SignalServiceEnvelope} and returns a {@link DecryptionResult}, which has either
 * a plaintext {@link SignalServiceContent} or information about an error that happened.
 *
 * Excluding the data updated in our protocol stores that results from decrypting a message, this
 * method is side-effect free, preferring to return the decryption results to be handled by the
 * caller.
 */
@NonNull
public static DecryptionResult decrypt(@NonNull Context context, @NonNull SignalServiceEnvelope envelope) {
    SignalServiceAccountDataStore protocolStore = ApplicationDependencies.getProtocolStore().aci();
    SignalServiceAddress localAddress = new SignalServiceAddress(Recipient.self().requireServiceId(), Recipient.self().requireE164());
    SignalServiceCipher cipher = new SignalServiceCipher(localAddress, SignalStore.account().getDeviceId(), protocolStore, ReentrantSessionLock.INSTANCE, UnidentifiedAccessUtil.getCertificateValidator());
    List<Job> jobs = new LinkedList<>();
    if (envelope.isPreKeySignalMessage()) {
        jobs.add(new RefreshPreKeysJob());
    }
    try {
        try {
            return DecryptionResult.forSuccess(cipher.decrypt(envelope), jobs);
        } catch (ProtocolInvalidVersionException e) {
            Log.w(TAG, String.valueOf(envelope.getTimestamp()), e);
            return DecryptionResult.forError(MessageState.INVALID_VERSION, toExceptionMetadata(e), jobs);
        } catch (ProtocolInvalidKeyIdException | ProtocolInvalidKeyException | ProtocolUntrustedIdentityException | ProtocolNoSessionException | ProtocolInvalidMessageException e) {
            Log.w(TAG, String.valueOf(envelope.getTimestamp()), e);
            Recipient sender = Recipient.external(context, e.getSender());
            if (sender.supportsMessageRetries() && Recipient.self().supportsMessageRetries() && FeatureFlags.retryReceipts()) {
                jobs.add(handleRetry(context, sender, envelope, e));
                postInternalErrorNotification(context);
            } else {
                jobs.add(new AutomaticSessionResetJob(sender.getId(), e.getSenderDevice(), envelope.getTimestamp()));
            }
            return DecryptionResult.forNoop(jobs);
        } catch (ProtocolLegacyMessageException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forError(MessageState.LEGACY_MESSAGE, toExceptionMetadata(e), jobs);
        } catch (ProtocolDuplicateMessageException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forError(MessageState.DUPLICATE_MESSAGE, toExceptionMetadata(e), jobs);
        } catch (InvalidMetadataVersionException | InvalidMetadataMessageException | InvalidMessageStructureException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forNoop(jobs);
        } catch (SelfSendException e) {
            Log.i(TAG, "Dropping UD message from self.");
            return DecryptionResult.forNoop(jobs);
        } catch (UnsupportedDataMessageException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forError(MessageState.UNSUPPORTED_DATA_MESSAGE, toExceptionMetadata(e), jobs);
        }
    } catch (NoSenderException e) {
        Log.w(TAG, "Invalid message, but no sender info!");
        return DecryptionResult.forNoop(jobs);
    }
}

Example 2 with SelfSendException

use of org.signal.libsignal.metadata.SelfSendException in project Signal-Android by signalapp.

the class MessageDecryptionUtil method decrypt.

/**
 * Takes a {@link SignalServiceEnvelope} and returns a {@link DecryptionResult}, which has either
 * a plaintext {@link SignalServiceContent} or information about an error that happened.
 *
 * Excluding the data updated in our protocol stores that results from decrypting a message, this
 * method is side-effect free, preferring to return the decryption results to be handled by the
 * caller.
 */
@NonNull
public static DecryptionResult decrypt(@NonNull Context context, @NonNull SignalServiceEnvelope envelope) {
    SignalServiceAccountDataStore protocolStore = ApplicationDependencies.getProtocolStore().aci();
    SignalServiceAddress localAddress = new SignalServiceAddress(Recipient.self().requireServiceId(), Recipient.self().requireE164());
    SignalServiceCipher cipher = new SignalServiceCipher(localAddress, SignalStore.account().getDeviceId(), protocolStore, ReentrantSessionLock.INSTANCE, UnidentifiedAccessUtil.getCertificateValidator());
    List<Job> jobs = new LinkedList<>();
    if (envelope.isPreKeySignalMessage()) {
        jobs.add(new RefreshPreKeysJob());
    }
    try {
        try {
            return DecryptionResult.forSuccess(cipher.decrypt(envelope), jobs);
        } catch (ProtocolInvalidVersionException e) {
            Log.w(TAG, String.valueOf(envelope.getTimestamp()), e);
            return DecryptionResult.forError(MessageState.INVALID_VERSION, toExceptionMetadata(e), jobs);
        } catch (ProtocolInvalidKeyIdException | ProtocolInvalidKeyException | ProtocolUntrustedIdentityException | ProtocolNoSessionException | ProtocolInvalidMessageException e) {
            Log.w(TAG, String.valueOf(envelope.getTimestamp()), e);
            Recipient sender = Recipient.external(context, e.getSender());
            if (sender.supportsMessageRetries() && Recipient.self().supportsMessageRetries() && FeatureFlags.retryReceipts()) {
                jobs.add(handleRetry(context, sender, envelope, e));
                postInternalErrorNotification(context);
            } else {
                jobs.add(new AutomaticSessionResetJob(sender.getId(), e.getSenderDevice(), envelope.getTimestamp()));
            }
            return DecryptionResult.forNoop(jobs);
        } catch (ProtocolLegacyMessageException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forError(MessageState.LEGACY_MESSAGE, toExceptionMetadata(e), jobs);
        } catch (ProtocolDuplicateMessageException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forError(MessageState.DUPLICATE_MESSAGE, toExceptionMetadata(e), jobs);
        } catch (InvalidMetadataVersionException | InvalidMetadataMessageException | InvalidMessageStructureException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forNoop(jobs);
        } catch (SelfSendException e) {
            Log.i(TAG, "Dropping UD message from self.");
            return DecryptionResult.forNoop(jobs);
        } catch (UnsupportedDataMessageException e) {
            Log.w(TAG, "[" + envelope.getTimestamp() + "] " + envelope.getSourceIdentifier() + ":" + envelope.getSourceDevice(), e);
            return DecryptionResult.forError(MessageState.UNSUPPORTED_DATA_MESSAGE, toExceptionMetadata(e), jobs);
        }
    } catch (NoSenderException e) {
        Log.w(TAG, "Invalid message, but no sender info!");
        return DecryptionResult.forNoop(jobs);
    }
}