Examples with WonMessageProcessingException won.protocol.message.processor.exception.WonMessageProcessingException used on opensource projects

Example 1 with WonMessageProcessingException

use of won.protocol.message.processor.exception.WonMessageProcessingException in project webofneeds by researchstudio-sat.

the class WonMessageFromHeaderToBodySerializingCamelProcessor method process.

@Override
public void process(final Exchange exchange) throws Exception {
    logger.debug("processing won message");
    Map headers = exchange.getIn().getHeaders();
    // if the wonMessage header is there, don't change it - that way we can re-route internal messages
    WonMessage wonMessage = (WonMessage) headers.get(WonCamelConstants.MESSAGE_HEADER);
    if (wonMessage == null) {
        throw new WonMessageProcessingException("No WonMessage found in header '" + WonCamelConstants.MESSAGE_HEADER + "'");
    }
    StringWriter writer = new StringWriter();
    RDFDataMgr.write(writer, wonMessage.getCompleteDataset(), Lang.TRIG);
    exchange.getIn().setBody(writer.toString());
    logger.debug("wrote serialized wonMessage to message body");
}

Example 2 with WonMessageProcessingException

use of won.protocol.message.processor.exception.WonMessageProcessingException in project webofneeds by researchstudio-sat.

the class WonMessageIntoCamelProcessor method process.

@Override
public void process(final Exchange exchange) throws Exception {
    logger.debug("processing won message");
    Map headers = exchange.getIn().getHeaders();
    // if the wonMessage header is there, don't change it - that way we can re-route internal messages
    WonMessage wonMessage = (WonMessage) headers.get(WonCamelConstants.MESSAGE_HEADER);
    if (wonMessage == null) {
        try {
            wonMessage = WonMessageDecoder.decode(Lang.TRIG, exchange.getIn().getBody().toString());
        } catch (Exception e) {
            // stop the exchange in this case - maybe at some point we can return a failure response but
            // currently, we would have to look into the message for doing that, and looking into
            // the message is not possible if we cannot decode it.
            logger.info("could not decode message as TriG, ignoring it (the offending message is logged at loglevel 'DEBUG')", e);
            if (logger.isDebugEnabled()) {
                logger.debug("offending message: {}", exchange.getIn().getBody().toString());
            }
            exchange.setProperty(Exchange.ROUTE_STOP, Boolean.TRUE);
            throw new WonMessageProcessingException("Could not decode message", e);
        }
    }
    if (wonMessage == null) {
        throw new WonMessageProcessingException("No WonMessage found in header '" + WonCamelConstants.MESSAGE_HEADER + "' or in the body");
    }
    exchange.getIn().setHeader(WonCamelConstants.MESSAGE_TYPE_HEADER, URI.create(wonMessage.getMessageType().getResource().getURI()));
    exchange.getIn().setHeader(WonCamelConstants.MESSAGE_HEADER, wonMessage);
    exchange.getIn().setBody(null);
}

Example 3 with WonMessageProcessingException

use of won.protocol.message.processor.exception.WonMessageProcessingException in project webofneeds by researchstudio-sat.

the class SignatureAddingWonMessageProcessor method processOnBehalfOfNeed.

public WonMessage processOnBehalfOfNeed(final WonMessage message) throws WonMessageProcessingException {
    // use senderNeed key for signing
    String alias = keyPairAliasDerivationStrategy.getAliasForNeedUri(message.getSenderNeedURI().toString());
    PrivateKey privateKey = cryptographyService.getPrivateKey(alias);
    PublicKey publicKey = cryptographyService.getPublicKey(alias);
    try {
        return processWithKey(message, message.getSenderNeedURI().toString(), privateKey, publicKey);
    } catch (Exception e) {
        logger.error("Failed to sign", e);
        throw new WonMessageProcessingException("Failed to sign message " + message.getMessageURI().toString());
    }
}

Example 4 with WonMessageProcessingException

use of won.protocol.message.processor.exception.WonMessageProcessingException in project webofneeds by researchstudio-sat.

the class SignatureAddingWonMessageProcessor method process.

@Override
public WonMessage process(final WonMessage message) throws WonMessageProcessingException {
    // use default key for signing
    PrivateKey privateKey = cryptographyService.getDefaultPrivateKey();
    String webId = cryptographyService.getDefaultPrivateKeyAlias();
    PublicKey publicKey = cryptographyService.getPublicKey(webId);
    try {
        return processWithKey(message, webId, privateKey, publicKey);
    } catch (Exception e) {
        logger.error("Failed to sign", e);
        throw new WonMessageProcessingException("Failed to sign message " + message.getMessageURI().toString());
    }
}

Example 5 with WonMessageProcessingException

use of won.protocol.message.processor.exception.WonMessageProcessingException in project webofneeds by researchstudio-sat.

the class SignatureCheckingWonMessageProcessor method process.

@Override
public WonMessage process(final WonMessage message) throws WonMessageProcessingException {
    SignatureVerificationState result = null;
    try {
        // obtain public keys
        Map<String, PublicKey> keys = getRequiredPublicKeys(message.getCompleteDataset());
        // verify with those public keys
        result = WonMessageSignerVerifier.verify(keys, message);
        logger.debug("VERIFIED=" + result.isVerificationPassed() + " with keys: " + keys.values() + " for\n" + RdfUtils.writeDatasetToString(message.getCompleteDataset(), Lang.TRIG));
    } catch (Exception e) {
        // TODO SignatureProcessingException?
        throw new WonMessageProcessingException("Could not verify message " + message.getMessageURI(), e);
    }
    // throw exception if the verification fails:
    if (!result.isVerificationPassed()) {
        // TODO SignatureProcessingException?
        throw new WonMessageProcessingException(new SignatureException("Could not verify message " + message.getMessageURI() + ": " + result.getMessage()));
    }
    return message;
}