Examples with MessageDecodingException org.xipki.scep.exception.MessageDecodingException used on opensource projects

Example 1 with MessageDecodingException

use of org.xipki.scep.exception.MessageDecodingException in project xipki by xipki.

the class ScepResponder method servicePkiOperation0.

private PkiMessage servicePkiOperation0(DecodedPkiMessage req, AuditEvent event) throws MessageDecodingException, CaException {
    TransactionId tid = req.getTransactionId();
    PkiMessage rep = new PkiMessage(tid, MessageType.CertRep, Nonce.randomNonce());
    rep.setPkiStatus(PkiStatus.SUCCESS);
    rep.setRecipientNonce(req.getSenderNonce());
    if (req.getFailureMessage() != null) {
        return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badRequest);
    }
    Boolean bo = req.isSignatureValid();
    if (bo != null && !bo.booleanValue()) {
        return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badMessageCheck);
    }
    bo = req.isDecryptionSuccessful();
    if (bo != null && !bo.booleanValue()) {
        return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badRequest);
    }
    Date signingTime = req.getSigningTime();
    if (maxSigningTimeBiasInMs > 0) {
        boolean isTimeBad = false;
        if (signingTime == null) {
            isTimeBad = true;
        } else {
            long now = System.currentTimeMillis();
            long diff = now - signingTime.getTime();
            if (diff < 0) {
                diff = -1 * diff;
            }
            isTimeBad = diff > maxSigningTimeBiasInMs;
        }
        if (isTimeBad) {
            return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badTime);
        }
    }
    // check the digest algorithm
    String oid = req.getDigestAlgorithm().getId();
    ScepHashAlgo hashAlgo = ScepHashAlgo.forNameOrOid(oid);
    if (hashAlgo == null) {
        LOG.warn("tid={}: unknown digest algorithm {}", tid, oid);
        return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badAlg);
    }
    // end if
    boolean supported = false;
    if (hashAlgo == ScepHashAlgo.SHA1) {
        if (caCaps.containsCapability(CaCapability.SHA1)) {
            supported = true;
        }
    } else if (hashAlgo == ScepHashAlgo.SHA256) {
        if (caCaps.containsCapability(CaCapability.SHA256)) {
            supported = true;
        }
    } else if (hashAlgo == ScepHashAlgo.SHA512) {
        if (caCaps.containsCapability(CaCapability.SHA512)) {
            supported = true;
        }
    } else if (hashAlgo == ScepHashAlgo.MD5) {
        if (control.isUseInsecureAlg()) {
            supported = true;
        }
    }
    if (!supported) {
        LOG.warn("tid={}: unsupported digest algorithm {}", tid, oid);
        return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badAlg);
    }
    // end if
    // check the content encryption algorithm
    ASN1ObjectIdentifier encOid = req.getContentEncryptionAlgorithm();
    if (CMSAlgorithm.DES_EDE3_CBC.equals(encOid)) {
        if (!caCaps.containsCapability(CaCapability.DES3)) {
            LOG.warn("tid={}: encryption with DES3 algorithm is not permitted", tid, encOid);
            return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badAlg);
        }
    } else if (AES_ENC_ALGS.contains(encOid)) {
        if (!caCaps.containsCapability(CaCapability.AES)) {
            LOG.warn("tid={}: encryption with AES algorithm {} is not permitted", tid, encOid);
            return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badAlg);
        }
    } else if (CMSAlgorithm.DES_CBC.equals(encOid)) {
        if (!control.isUseInsecureAlg()) {
            LOG.warn("tid={}: encryption with DES algorithm {} is not permitted", tid, encOid);
            return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badAlg);
        }
    } else {
        LOG.warn("tid={}: encryption with algorithm {} is not permitted", tid, encOid);
        return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badAlg);
    }
    if (rep.getPkiStatus() == PkiStatus.FAILURE) {
        return rep;
    }
    MessageType messageType = req.getMessageType();
    switch(messageType) {
        case PKCSReq:
            boolean selfSigned = req.getSignatureCert().getIssuerX500Principal().equals(req.getSignatureCert().getIssuerX500Principal());
            CertificationRequest csr = CertificationRequest.getInstance(req.getMessageData());
            if (selfSigned) {
                X500Name name = X500Name.getInstance(req.getSignatureCert().getSubjectX500Principal().getEncoded());
                if (!name.equals(csr.getCertificationRequestInfo().getSubject())) {
                    LOG.warn("tid={}: self-signed cert.subject != CSR.subject", tid);
                    return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badRequest);
                }
            }
            String challengePwd = getChallengePassword(csr.getCertificationRequestInfo());
            if (challengePwd == null || !control.getSecret().equals(challengePwd)) {
                LOG.warn("challengePassword is not trusted");
                return buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badRequest);
            }
            Certificate cert;
            try {
                cert = caEmulator.generateCert(csr);
            } catch (Exception ex) {
                throw new CaException("system failure: " + ex.getMessage(), ex);
            }
            if (cert != null && control.isPendingCert()) {
                rep.setPkiStatus(PkiStatus.PENDING);
            } else if (cert != null) {
                ContentInfo messageData = createSignedData(cert);
                rep.setMessageData(messageData);
            } else {
                buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badCertId);
            }
            break;
        case CertPoll:
            IssuerAndSubject is = IssuerAndSubject.getInstance(req.getMessageData());
            cert = caEmulator.pollCert(is.getIssuer(), is.getSubject());
            if (cert != null) {
                rep.setMessageData(createSignedData(cert));
            } else {
                buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badCertId);
            }
            break;
        case GetCert:
            IssuerAndSerialNumber isn = IssuerAndSerialNumber.getInstance(req.getMessageData());
            cert = caEmulator.getCert(isn.getName(), isn.getSerialNumber().getValue());
            if (cert != null) {
                rep.setMessageData(createSignedData(cert));
            } else {
                buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badCertId);
            }
            break;
        case RenewalReq:
            if (!caCaps.containsCapability(CaCapability.Renewal)) {
                buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badRequest);
            } else {
                csr = CertificationRequest.getInstance(req.getMessageData());
                try {
                    cert = caEmulator.generateCert(csr);
                } catch (Exception ex) {
                    throw new CaException("system failure: " + ex.getMessage(), ex);
                }
                if (cert != null) {
                    rep.setMessageData(createSignedData(cert));
                } else {
                    rep.setPkiStatus(PkiStatus.FAILURE);
                    rep.setFailInfo(FailInfo.badCertId);
                }
            }
            break;
        case UpdateReq:
            if (!caCaps.containsCapability(CaCapability.Update)) {
                buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badRequest);
            } else {
                csr = CertificationRequest.getInstance(req.getMessageData());
                try {
                    cert = caEmulator.generateCert(csr);
                } catch (Exception ex) {
                    throw new CaException("system failure: " + ex.getMessage(), ex);
                }
                if (cert != null) {
                    rep.setMessageData(createSignedData(cert));
                } else {
                    buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badCertId);
                }
            }
            break;
        case GetCRL:
            isn = IssuerAndSerialNumber.getInstance(req.getMessageData());
            CertificateList crl;
            try {
                crl = caEmulator.getCrl(isn.getName(), isn.getSerialNumber().getValue());
            } catch (Exception ex) {
                throw new CaException("system failure: " + ex.getMessage(), ex);
            }
            if (crl != null) {
                rep.setMessageData(createSignedData(crl));
            } else {
                buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badCertId);
            }
            break;
        default:
            buildPkiMessage(rep, PkiStatus.FAILURE, FailInfo.badRequest);
    }
    return rep;
}

Example 2 with MessageDecodingException

use of org.xipki.scep.exception.MessageDecodingException in project xipki by xipki.

the class Client method decode.

private DecodedPkiMessage decode(CMSSignedData pkiMessage, PrivateKey recipientKey, X509Certificate recipientCert) throws ScepClientException {
    DecodedPkiMessage resp;
    try {
        resp = DecodedPkiMessage.decode(pkiMessage, recipientKey, recipientCert, responseSignerCerts);
    } catch (MessageDecodingException ex) {
        throw new ScepClientException(ex);
    }
    if (resp.getFailureMessage() != null) {
        throw new ScepClientException("Error: " + resp.getFailureMessage());
    }
    Boolean bo = resp.isSignatureValid();
    if (bo != null && !bo.booleanValue()) {
        throw new ScepClientException("Signature is invalid");
    }
    bo = resp.isDecryptionSuccessful();
    if (bo != null && !bo.booleanValue()) {
        throw new ScepClientException("Decryption failed");
    }
    Date signingTime = resp.getSigningTime();
    long maxSigningTimeBias = getMaxSigningTimeBiasInMs();
    if (maxSigningTimeBias > 0) {
        if (signingTime == null) {
            throw new ScepClientException("CMS signingTime attribute is not present");
        }
        long now = System.currentTimeMillis();
        long diff = now - signingTime.getTime();
        if (diff < 0) {
            diff = -1 * diff;
        }
        if (diff > maxSigningTimeBias) {
            throw new ScepClientException("CMS signingTime is out of permitted period");
        }
    }
    if (!resp.getSignatureCert().equals(authorityCertStore.getSignatureCert())) {
        throw new ScepClientException("the signature certificate must not be trusted");
    }
    return resp;
}

Example 3 with MessageDecodingException

use of org.xipki.scep.exception.MessageDecodingException in project xipki by xipki.

the class HttpScepServlet method service0.

private void service0(HttpServletRequest req, HttpServletResponse resp, boolean viaPost) throws ServletException, IOException {
    AuditServiceRegister auditServiceRegister = ServletHelper.getAuditServiceRegister();
    if (auditServiceRegister == null) {
        LOG.error("ServletHelper.auditServiceRegister not configured");
        sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        return;
    }
    ResponderManager responderManager = ServletHelper.getResponderManager();
    if (responderManager == null) {
        LOG.error("ServletHelper.responderManager not configured");
        sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        return;
    }
    String path = StringUtil.getRelativeRequestUri(req.getServletPath(), req.getRequestURI());
    String scepName = null;
    String certProfileName = null;
    if (path.length() > 1) {
        String scepPath = path;
        if (scepPath.endsWith(CGI_PROGRAM)) {
            // skip also the first char (which is always '/')
            String tpath = scepPath.substring(1, scepPath.length() - CGI_PROGRAM_LEN);
            String[] tokens = tpath.split("/");
            if (tokens.length == 2) {
                scepName = tokens[0];
                certProfileName = tokens[1].toLowerCase();
            }
        }
    // end if
    }
    if (scepName == null || certProfileName == null) {
        sendError(resp, HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    AuditService auditService = auditServiceRegister.getAuditService();
    AuditEvent event = new AuditEvent(new Date());
    event.setApplicationName("SCEP");
    event.setName(CaAuditConstants.NAME_PERF);
    event.addEventData(CaAuditConstants.NAME_SCEP_name, scepName + "/" + certProfileName);
    event.addEventData(CaAuditConstants.NAME_reqType, RequestType.SCEP.name());
    String msgId = RandomUtil.nextHexLong();
    event.addEventData(CaAuditConstants.NAME_mid, msgId);
    AuditLevel auditLevel = AuditLevel.INFO;
    AuditStatus auditStatus = AuditStatus.SUCCESSFUL;
    String auditMessage = null;
    try {
        Scep responder = responderManager.getScep(scepName);
        if (responder == null || !responder.isOnService() || !responder.supportsCertProfile(certProfileName)) {
            auditMessage = "unknown SCEP '" + scepName + "/" + certProfileName + "'";
            LOG.warn(auditMessage);
            auditStatus = AuditStatus.FAILED;
            sendError(resp, HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        String operation = req.getParameter("operation");
        event.addEventData(CaAuditConstants.NAME_SCEP_operation, operation);
        if ("PKIOperation".equalsIgnoreCase(operation)) {
            CMSSignedData reqMessage;
            // parse the request
            try {
                byte[] content;
                if (viaPost) {
                    content = IoUtil.read(req.getInputStream());
                } else {
                    String b64 = req.getParameter("message");
                    content = Base64.decode(b64);
                }
                reqMessage = new CMSSignedData(content);
            } catch (Exception ex) {
                final String msg = "invalid request";
                LogUtil.error(LOG, ex, msg);
                auditMessage = msg;
                auditStatus = AuditStatus.FAILED;
                sendError(resp, HttpServletResponse.SC_BAD_REQUEST);
                return;
            }
            ContentInfo ci;
            try {
                ci = responder.servicePkiOperation(reqMessage, certProfileName, msgId, event);
            } catch (MessageDecodingException ex) {
                final String msg = "could not decrypt and/or verify the request";
                LogUtil.error(LOG, ex, msg);
                auditMessage = msg;
                auditStatus = AuditStatus.FAILED;
                sendError(resp, HttpServletResponse.SC_BAD_REQUEST);
                return;
            } catch (OperationException ex) {
                ErrorCode code = ex.getErrorCode();
                int httpCode;
                switch(code) {
                    case ALREADY_ISSUED:
                    case CERT_REVOKED:
                    case CERT_UNREVOKED:
                        httpCode = HttpServletResponse.SC_FORBIDDEN;
                        break;
                    case BAD_CERT_TEMPLATE:
                    case BAD_REQUEST:
                    case BAD_POP:
                    case INVALID_EXTENSION:
                    case UNKNOWN_CERT:
                    case UNKNOWN_CERT_PROFILE:
                        httpCode = HttpServletResponse.SC_BAD_REQUEST;
                        break;
                    case NOT_PERMITTED:
                        httpCode = HttpServletResponse.SC_UNAUTHORIZED;
                        break;
                    case SYSTEM_UNAVAILABLE:
                        httpCode = HttpServletResponse.SC_SERVICE_UNAVAILABLE;
                        break;
                    case CRL_FAILURE:
                    case DATABASE_FAILURE:
                    case SYSTEM_FAILURE:
                        httpCode = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
                        break;
                    default:
                        httpCode = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
                        break;
                }
                auditMessage = ex.getMessage();
                LogUtil.error(LOG, ex, auditMessage);
                auditStatus = AuditStatus.FAILED;
                sendError(resp, httpCode);
                return;
            }
            byte[] bodyBytes = ci.getEncoded();
            sendOKResponse(resp, CT_RESPONSE, bodyBytes);
        } else if (Operation.GetCACaps.getCode().equalsIgnoreCase(operation)) {
            // CA-Ident is ignored
            byte[] caCapsBytes = responder.getCaCaps().getBytes();
            sendOKResponse(resp, ScepConstants.CT_TEXT_PLAIN, caCapsBytes);
        } else if (Operation.GetCACert.getCode().equalsIgnoreCase(operation)) {
            // CA-Ident is ignored
            byte[] respBytes = responder.getCaCertResp().getBytes();
            sendOKResponse(resp, ScepConstants.CT_X509_CA_RA_CERT, respBytes);
        } else if (Operation.GetNextCACert.getCode().equalsIgnoreCase(operation)) {
            auditMessage = "SCEP operation '" + operation + "' is not permitted";
            auditStatus = AuditStatus.FAILED;
            sendError(resp, HttpServletResponse.SC_FORBIDDEN);
            return;
        } else {
            auditMessage = "unknown SCEP operation '" + operation + "'";
            auditStatus = AuditStatus.FAILED;
            sendError(resp, HttpServletResponse.SC_BAD_REQUEST);
            return;
        }
    } catch (Throwable th) {
        if (th instanceof EOFException) {
            final String msg = "connection reset by peer";
            if (LOG.isWarnEnabled()) {
                LogUtil.warn(LOG, th, msg);
            }
            LOG.debug(msg, th);
        } else {
            LOG.error("Throwable thrown, this should not happen!", th);
        }
        auditLevel = AuditLevel.ERROR;
        auditStatus = AuditStatus.FAILED;
        auditMessage = "internal error";
        sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    } finally {
        audit(auditService, event, auditLevel, auditStatus, auditMessage);
    }
}

Example 4 with MessageDecodingException

use of org.xipki.scep.exception.MessageDecodingException in project xipki by xipki.

the class HttpScepServlet method service.

@Override
public FullHttpResponse service(FullHttpRequest request, ServletURI servletUri, SSLSession sslSession, SslReverseProxyMode sslReverseProxyMode) throws Exception {
    HttpVersion version = request.protocolVersion();
    HttpMethod method = request.method();
    boolean viaPost;
    if (method == HttpMethod.POST) {
        viaPost = true;
    } else if (method == HttpMethod.GET) {
        viaPost = false;
    } else {
        return createErrorResponse(version, HttpResponseStatus.METHOD_NOT_ALLOWED);
    }
    String scepName = null;
    String certProfileName = null;
    if (servletUri.getPath().length() > 1) {
        String scepPath = servletUri.getPath();
        if (scepPath.endsWith(CGI_PROGRAM)) {
            // skip also the first char (which is always '/')
            String path = scepPath.substring(1, scepPath.length() - CGI_PROGRAM_LEN);
            String[] tokens = path.split("/");
            if (tokens.length == 2) {
                scepName = tokens[0];
                certProfileName = tokens[1].toLowerCase();
            }
        }
    // end if
    }
    if (scepName == null || certProfileName == null) {
        return createErrorResponse(version, HttpResponseStatus.NOT_FOUND);
    }
    AuditService auditService = auditServiceRegister.getAuditService();
    AuditEvent event = new AuditEvent(new Date());
    event.setApplicationName("SCEP");
    event.setName(CaAuditConstants.NAME_PERF);
    event.addEventData(CaAuditConstants.NAME_SCEP_name, scepName + "/" + certProfileName);
    event.addEventData(CaAuditConstants.NAME_reqType, RequestType.SCEP.name());
    String msgId = RandomUtil.nextHexLong();
    event.addEventData(CaAuditConstants.NAME_mid, msgId);
    AuditLevel auditLevel = AuditLevel.INFO;
    AuditStatus auditStatus = AuditStatus.SUCCESSFUL;
    String auditMessage = null;
    try {
        if (responderManager == null) {
            auditMessage = "responderManager in servlet not configured";
            LOG.error(auditMessage);
            auditLevel = AuditLevel.ERROR;
            auditStatus = AuditStatus.FAILED;
            return createErrorResponse(version, HttpResponseStatus.INTERNAL_SERVER_ERROR);
        }
        Scep responder = responderManager.getScep(scepName);
        if (responder == null || !responder.isOnService() || !responder.supportsCertProfile(certProfileName)) {
            auditMessage = "unknown SCEP '" + scepName + "/" + certProfileName + "'";
            LOG.warn(auditMessage);
            auditStatus = AuditStatus.FAILED;
            return createErrorResponse(version, HttpResponseStatus.NOT_FOUND);
        }
        String operation = servletUri.getParameter("operation");
        event.addEventData(CaAuditConstants.NAME_SCEP_operation, operation);
        if ("PKIOperation".equalsIgnoreCase(operation)) {
            CMSSignedData reqMessage;
            // parse the request
            try {
                byte[] content;
                if (viaPost) {
                    content = readContent(request);
                } else {
                    String b64 = servletUri.getParameter("message");
                    content = Base64.decode(b64);
                }
                reqMessage = new CMSSignedData(content);
            } catch (Exception ex) {
                final String msg = "invalid request";
                LogUtil.error(LOG, ex, msg);
                auditMessage = msg;
                auditStatus = AuditStatus.FAILED;
                return createErrorResponse(version, HttpResponseStatus.BAD_REQUEST);
            }
            ContentInfo ci;
            try {
                ci = responder.servicePkiOperation(reqMessage, certProfileName, msgId, event);
            } catch (MessageDecodingException ex) {
                final String msg = "could not decrypt and/or verify the request";
                LogUtil.error(LOG, ex, msg);
                auditMessage = msg;
                auditStatus = AuditStatus.FAILED;
                return createErrorResponse(version, HttpResponseStatus.BAD_REQUEST);
            } catch (OperationException ex) {
                ErrorCode code = ex.getErrorCode();
                HttpResponseStatus httpCode;
                switch(code) {
                    case ALREADY_ISSUED:
                    case CERT_REVOKED:
                    case CERT_UNREVOKED:
                        httpCode = HttpResponseStatus.FORBIDDEN;
                        break;
                    case BAD_CERT_TEMPLATE:
                    case BAD_REQUEST:
                    case BAD_POP:
                    case INVALID_EXTENSION:
                    case UNKNOWN_CERT:
                    case UNKNOWN_CERT_PROFILE:
                        httpCode = HttpResponseStatus.BAD_REQUEST;
                        break;
                    case NOT_PERMITTED:
                        httpCode = HttpResponseStatus.UNAUTHORIZED;
                        break;
                    case SYSTEM_UNAVAILABLE:
                        httpCode = HttpResponseStatus.SERVICE_UNAVAILABLE;
                        break;
                    case CRL_FAILURE:
                    case DATABASE_FAILURE:
                    case SYSTEM_FAILURE:
                        httpCode = HttpResponseStatus.INTERNAL_SERVER_ERROR;
                        break;
                    default:
                        httpCode = HttpResponseStatus.INTERNAL_SERVER_ERROR;
                        break;
                }
                auditMessage = ex.getMessage();
                LogUtil.error(LOG, ex, auditMessage);
                auditStatus = AuditStatus.FAILED;
                return createErrorResponse(version, httpCode);
            }
            byte[] bodyBytes = ci.getEncoded();
            return createOKResponse(version, CT_RESPONSE, bodyBytes);
        } else if (Operation.GetCACaps.getCode().equalsIgnoreCase(operation)) {
            // CA-Ident is ignored
            byte[] caCapsBytes = responder.getCaCaps().getBytes();
            return createOKResponse(version, ScepConstants.CT_TEXT_PLAIN, caCapsBytes);
        } else if (Operation.GetCACert.getCode().equalsIgnoreCase(operation)) {
            // CA-Ident is ignored
            byte[] respBytes = responder.getCaCertResp().getBytes();
            return createOKResponse(version, ScepConstants.CT_X509_CA_RA_CERT, respBytes);
        } else if (Operation.GetNextCACert.getCode().equalsIgnoreCase(operation)) {
            auditMessage = "SCEP operation '" + operation + "' is not permitted";
            auditStatus = AuditStatus.FAILED;
            return createErrorResponse(version, HttpResponseStatus.FORBIDDEN);
        } else {
            auditMessage = "unknown SCEP operation '" + operation + "'";
            auditStatus = AuditStatus.FAILED;
            return createErrorResponse(version, HttpResponseStatus.BAD_REQUEST);
        }
    } catch (Throwable th) {
        if (th instanceof EOFException) {
            final String msg = "connection reset by peer";
            if (LOG.isWarnEnabled()) {
                LogUtil.warn(LOG, th, msg);
            }
            LOG.debug(msg, th);
        } else {
            LOG.error("Throwable thrown, this should not happen!", th);
        }
        auditLevel = AuditLevel.ERROR;
        auditStatus = AuditStatus.FAILED;
        auditMessage = "internal error";
        return createErrorResponse(version, HttpResponseStatus.INTERNAL_SERVER_ERROR);
    } finally {
        audit(auditService, event, auditLevel, auditStatus, auditMessage);
    }
}

Example 5 with MessageDecodingException

use of org.xipki.scep.exception.MessageDecodingException in project xipki by xipki.

the class ScepServlet method service.

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    boolean post;
    String method = req.getMethod();
    if ("GET".equals(method)) {
        post = false;
    } else if ("POST".equals(method)) {
        post = true;
    } else {
        resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
        return;
    }
    AuditEvent event = new AuditEvent();
    event.setName(ScepAuditConstants.NAME_PERF);
    event.putEventData(ScepAuditConstants.NAME_servletPath, req.getServletPath());
    AuditLevel auditLevel = AuditLevel.INFO;
    String auditMessage = null;
    try {
        CaCaps caCaps = responder.getCaCaps();
        if (post && !caCaps.containsCapability(CaCapability.POSTPKIOperation)) {
            auditMessage = "HTTP POST is not supported";
            auditLevel = AuditLevel.ERROR;
            resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
            return;
        }
        String operation = req.getParameter("operation");
        event.putEventData(ScepAuditConstants.NAME_operation, operation);
        if ("PKIOperation".equalsIgnoreCase(operation)) {
            CMSSignedData reqMessage;
            // parse the request
            try {
                byte[] content = post ? ScepUtil.read(req.getInputStream()) : Base64.decode(req.getParameter("message"));
                reqMessage = new CMSSignedData(content);
            } catch (Exception ex) {
                auditMessage = "invalid request";
                auditLevel = AuditLevel.ERROR;
                resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
                return;
            }
            ContentInfo ci;
            try {
                ci = responder.servicePkiOperation(reqMessage, event);
            } catch (MessageDecodingException ex) {
                auditMessage = "could not decrypt and/or verify the request";
                auditLevel = AuditLevel.ERROR;
                resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
                return;
            } catch (CaException ex) {
                auditMessage = "system internal error";
                auditLevel = AuditLevel.ERROR;
                resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                return;
            }
            byte[] respBytes = ci.getEncoded();
            sendToResponse(resp, CT_RESPONSE, respBytes);
        } else if (Operation.GetCACaps.getCode().equalsIgnoreCase(operation)) {
            // CA-Ident is ignored
            byte[] caCapsBytes = responder.getCaCaps().getBytes();
            sendToResponse(resp, ScepConstants.CT_TEXT_PLAIN, caCapsBytes);
        } else if (Operation.GetCACert.getCode().equalsIgnoreCase(operation)) {
            // CA-Ident is ignored
            byte[] respBytes;
            String ct;
            if (responder.getRaEmulator() == null) {
                ct = ScepConstants.CT_X509_CA_CERT;
                respBytes = responder.getCaEmulator().getCaCertBytes();
            } else {
                ct = ScepConstants.CT_X509_CA_RA_CERT;
                CMSSignedDataGenerator cmsSignedDataGen = new CMSSignedDataGenerator();
                try {
                    cmsSignedDataGen.addCertificate(new X509CertificateHolder(responder.getCaEmulator().getCaCert()));
                    ct = ScepConstants.CT_X509_CA_RA_CERT;
                    cmsSignedDataGen.addCertificate(new X509CertificateHolder(responder.getRaEmulator().getRaCert()));
                    CMSSignedData degenerateSignedData = cmsSignedDataGen.generate(new CMSAbsentContent());
                    respBytes = degenerateSignedData.getEncoded();
                } catch (CMSException ex) {
                    auditMessage = "system internal error";
                    auditLevel = AuditLevel.ERROR;
                    resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                    return;
                }
            }
            sendToResponse(resp, ct, respBytes);
        } else if (Operation.GetNextCACert.getCode().equalsIgnoreCase(operation)) {
            if (responder.getNextCaAndRa() == null) {
                auditMessage = "SCEP operation '" + operation + "' is not permitted";
                auditLevel = AuditLevel.ERROR;
                resp.sendError(HttpServletResponse.SC_FORBIDDEN);
                return;
            }
            try {
                NextCaMessage nextCaMsg = new NextCaMessage();
                nextCaMsg.setCaCert(ScepUtil.toX509Cert(responder.getNextCaAndRa().getCaCert()));
                if (responder.getNextCaAndRa().getRaCert() != null) {
                    X509Certificate raCert = ScepUtil.toX509Cert(responder.getNextCaAndRa().getRaCert());
                    nextCaMsg.setRaCerts(Arrays.asList(raCert));
                }
                ContentInfo signedData = responder.encode(nextCaMsg);
                byte[] respBytes = signedData.getEncoded();
                sendToResponse(resp, ScepConstants.CT_X509_NEXT_CA_CERT, respBytes);
            } catch (Exception ex) {
                auditMessage = "system internal error";
                auditLevel = AuditLevel.ERROR;
                resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            }
        } else {
            auditMessage = "unknown SCEP operation '" + operation + "'";
            auditLevel = AuditLevel.ERROR;
            resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
        }
    // end if ("PKIOperation".equalsIgnoreCase(operation))
    } catch (EOFException ex) {
        LOG.warn("connection reset by peer", ex);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    } catch (Throwable th) {
        LOG.error("Throwable thrown, this should not happen!", th);
        auditLevel = AuditLevel.ERROR;
        auditMessage = "internal error";
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    } finally {
        if (event.getLevel() != AuditLevel.ERROR) {
            event.setLevel(auditLevel);
        }
        if (auditMessage != null) {
            event.putEventData("error", auditMessage);
        }
        event.log(LOG);
    }
// end try
}