Examples with FatalException com.dexels.navajo.script.api.FatalException used on opensource projects

Example 1 with FatalException

use of com.dexels.navajo.script.api.FatalException in project navajo by Dexels.

the class ServiceCommand method performCall.

protected Navajo performCall(ArticleRuntime runtime, String name, Navajo n, String instance) throws APIException {
    try {
        Navajo result = dispatcher.handle(n, instance, true);
        handleError(result);
        return result;
    } catch (UserException | AuthorizationException | FatalException e) {
        throw new APIException(e.getMessage(), e, APIErrorCode.InternalError);
    } catch (ConditionErrorException e) {
        throw new APIException(e.getMessage(), e, APIErrorCode.ConditionError);
    }
}

Example 2 with FatalException

use of com.dexels.navajo.script.api.FatalException in project navajo by Dexels.

the class Dispatcher method generateErrorMessage.

/**
 * Generate a Navajo error message and log the error to the Database.
 */
@Override
public final Navajo generateErrorMessage(Access access, String message, int code, int level, Throwable t) throws FatalException {
    if (message == null) {
        message = "Null pointer exception";
    }
    if (t != null) {
        logger.error("Generating error message for: ", t);
    }
    try {
        Navajo outMessage = NavajoFactory.getInstance().createNavajo();
        // Make sure empty Header is constructed
        Header h = NavajoFactory.getInstance().createHeader(outMessage, "", "", "", -1);
        outMessage.addHeader(h);
        Message errorMessage = NavajoFactory.getInstance().createMessage(outMessage, Constants.ERROR_MESSAGE);
        outMessage.addMessage(errorMessage);
        Property prop = NavajoFactory.getInstance().createProperty(outMessage, "message", Property.STRING_PROPERTY, message, 200, "Message", Property.DIR_OUT);
        errorMessage.addProperty(prop);
        prop = NavajoFactory.getInstance().createProperty(outMessage, "code", Property.INTEGER_PROPERTY, code + "", 100, "Code", Property.DIR_OUT);
        errorMessage.addProperty(prop);
        prop = NavajoFactory.getInstance().createProperty(outMessage, "level", Property.INTEGER_PROPERTY, level + "", 100, "Level", Property.DIR_OUT);
        errorMessage.addProperty(prop);
        if (access != null) {
            prop = NavajoFactory.getInstance().createProperty(outMessage, "access_id", Property.STRING_PROPERTY, access.accessID + "", 100, "Access id", Property.DIR_OUT);
            errorMessage.addProperty(prop);
            access.setException(t);
        }
        if (access != null) {
            access.setOutputDoc(outMessage);
        }
        return outMessage;
    } catch (Exception e) {
        throw new FatalException(e.getMessage(), e);
    }
}

Example 3 with FatalException

use of com.dexels.navajo.script.api.FatalException in project navajo by Dexels.

the class TmlHttpServlet method doPost.

/**
 * Handle a request.
 *
 * @param request
 * @param response
 * @throws IOException
 * @throws ServletException
 */
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    MDC.clear();
    Date created = new java.util.Date();
    long start = created.getTime();
    String sendEncoding = request.getHeader("Accept-Encoding");
    String recvEncoding = request.getHeader("Content-Encoding");
    if (sendEncoding != null) {
        MDC.put("Accept-Encoding", sendEncoding);
    }
    if (recvEncoding != null) {
        MDC.put("Content-Encoding", recvEncoding);
    }
    DispatcherInterface dis = null;
    BufferedReader r = null;
    BufferedWriter out = null;
    try {
        Navajo in = null;
        if (streamingMode) {
            if (sendEncoding != null && sendEncoding.equals(COMPRESS_JZLIB)) {
                r = new BufferedReader(new java.io.InputStreamReader(new InflaterInputStream(request.getInputStream()), "UTF-8"));
            } else if (sendEncoding != null && sendEncoding.equals(COMPRESS_GZIP)) {
                r = new BufferedReader(new java.io.InputStreamReader(new java.util.zip.GZIPInputStream(request.getInputStream()), "UTF-8"));
            } else {
                r = new BufferedReader(request.getReader());
            }
            in = NavajoFactory.getInstance().createNavajo(r);
            r.close();
            r = null;
        } else {
            logger.info("Warning: Using non-streaming mode for " + request.getRequestURI() + ", file written: " + logfileIndex + ", total size: " + bytesWritten);
            InputStream is = request.getInputStream();
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            copyResource(bos, is);
            is.close();
            bos.close();
            byte[] bytes = bos.toByteArray();
            try {
                if (sendEncoding != null && sendEncoding.equals(COMPRESS_JZLIB)) {
                    r = new BufferedReader(new java.io.InputStreamReader(new InflaterInputStream(new ByteArrayInputStream(bytes)), "UTF-8"));
                } else if (sendEncoding != null && sendEncoding.equals(COMPRESS_GZIP)) {
                    r = new BufferedReader(new java.io.InputStreamReader(new java.util.zip.GZIPInputStream(new ByteArrayInputStream(bytes)), "UTF-8"));
                } else {
                    r = new BufferedReader(new java.io.InputStreamReader(new ByteArrayInputStream(bytes), "UTF-8"));
                }
                in = NavajoFactory.getInstance().createNavajo(r);
                if (in == null) {
                    throw new Exception("Invalid Navajo");
                }
                r.close();
                r = null;
            } catch (Throwable t) {
                // Write request to temp file.
                File f = DispatcherFactory.getInstance().getTempDir();
                if (f != null) {
                    bytesWritten += bytes.length;
                    logfileIndex++;
                    FileOutputStream fos = new FileOutputStream(new File(f, "request-" + logfileIndex));
                    copyResource(fos, new ByteArrayInputStream(bytes));
                    fos.close();
                    PrintWriter fw = new PrintWriter(new FileWriter(new File(f, "exception-" + logfileIndex)));
                    t.printStackTrace(fw);
                    fw.flush();
                    fw.close();
                }
                dumHttp(request, logfileIndex, f);
                throw new ServletException(t);
            }
        }
        long stamp = System.currentTimeMillis();
        int pT = (int) (stamp - start);
        if (in == null) {
            throw new ServletException("Invalid request.");
        }
        Header header = in.getHeader();
        if (header == null) {
            throw new ServletException("Empty Navajo header.");
        }
        dis = DispatcherFactory.getInstance();
        if (dis == null) {
            System.err.println("SERIOUS: No dispatcher found. The navajo context did not initialize properly, check the logs to find out why!");
            return;
        }
        // Check for certificate.
        Object certObject = request.getAttribute("javax.servlet.request.X509Certificate");
        // Call Dispatcher with parsed TML document as argument.
        String ip = request.getHeader("X-Forwarded-For");
        if (ip == null || ip.equals("")) {
            ip = request.getRemoteAddr();
        }
        ClientInfo clientInfo = new ClientInfo(ip, "unknown", recvEncoding, pT, (recvEncoding != null && (recvEncoding.equals(COMPRESS_GZIP) || recvEncoding.equals(COMPRESS_JZLIB))), (sendEncoding != null && (sendEncoding.equals(COMPRESS_GZIP) || sendEncoding.equals(COMPRESS_JZLIB))), request.getContentLength(), created);
        String instance = determineInstanceFromRequest(request);
        Navajo outDoc = handleTransaction(instance, dis, in, certObject, clientInfo);
        response.setContentType("text/xml; charset=UTF-8");
        response.setHeader("Accept-Ranges", "none");
        if (recvEncoding != null && recvEncoding.equals(COMPRESS_JZLIB)) {
            response.setHeader("Content-Encoding", COMPRESS_JZLIB);
            out = new BufferedWriter(new OutputStreamWriter(new DeflaterOutputStream(response.getOutputStream()), "UTF-8"));
        } else if (recvEncoding != null && recvEncoding.equals(COMPRESS_GZIP)) {
            response.setHeader("Content-Encoding", COMPRESS_GZIP);
            out = new BufferedWriter(new OutputStreamWriter(new java.util.zip.GZIPOutputStream(response.getOutputStream()), "UTF-8"));
        } else {
            out = new BufferedWriter(response.getWriter());
        }
        outDoc.write(out);
        out.flush();
        out.close();
        if (in.getHeader() != null && outDoc.getHeader() != null && !Dispatcher.isSpecialwebservice(in.getHeader().getRPCName())) {
            statLogger.info("Finished {} ({}) in {}ms", outDoc.getHeader().getHeaderAttribute("accessId"), in.getHeader().getRPCName(), (System.currentTimeMillis() - start));
        }
        out = null;
    } catch (Throwable e) {
        logger.error("Error: ", e);
        dumHttp(request, -1, null);
        if (e instanceof FatalException) {
            FatalException fe = (FatalException) e;
            if (fe.getMessage().equals("500.13")) {
                // Server too busy.
                throw new ServletException("500.13", e);
            }
        }
        throw new ServletException(e);
    } finally {
        dis = null;
        if (r != null) {
            try {
                r.close();
            } catch (Exception e) {
            // NOT INTERESTED.
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (Exception e) {
            // NOT INTERESTED.
            }
        }
    }
}

Example 4 with FatalException

use of com.dexels.navajo.script.api.FatalException in project navajo by Dexels.

the class Dispatcher method generateAuthorizationErrorMessage.

/**
 * Generate a Navajo authorization error response.
 *
 * @param access
 *            Beware, might be null
 * @param ae
 * @return
 * @throws FatalException
 */
private final Navajo generateAuthorizationErrorMessage(Access access, AuthorizationException ae, String rpcName) throws FatalException {
    try {
        Navajo outMessage = NavajoFactory.getInstance().createNavajo();
        // Make sure empty Header is constructed
        Header h = NavajoFactory.getInstance().createHeader(outMessage, "", "", "", -1);
        outMessage.addHeader(h);
        Message errorMessage = NavajoFactory.getInstance().createMessage(outMessage, (ae.isNotAuthorized() ? AuthorizationException.AUTHORIZATION_ERROR_MESSAGE : AuthorizationException.AUTHENTICATION_ERROR_MESSAGE));
        outMessage.addMessage(errorMessage);
        Property prop = NavajoFactory.getInstance().createProperty(outMessage, "Message", Property.STRING_PROPERTY, ae.getMessage(), 0, "Message", Property.DIR_OUT);
        errorMessage.addProperty(prop);
        prop = NavajoFactory.getInstance().createProperty(outMessage, "User", Property.STRING_PROPERTY, ae.getUser(), 0, "User", Property.DIR_OUT);
        errorMessage.addProperty(prop);
        prop = NavajoFactory.getInstance().createProperty(outMessage, "Webservice", Property.STRING_PROPERTY, rpcName, 0, "User", Property.DIR_OUT);
        errorMessage.addProperty(prop);
        if (access != null) {
            access.setException(ae);
            access.setOutputDoc(outMessage);
        }
        return outMessage;
    } catch (Exception e) {
        throw new FatalException(e.getMessage(), e);
    }
}

Example 5 with FatalException

use of com.dexels.navajo.script.api.FatalException in project navajo by Dexels.

the class Dispatcher method processNavajo.

/**
 * Handle a webservice.
 *
 * @param inMessage
 * @param userCertificate
 * @param clientInfo
 * @param origRunnable
 * @param skipAuth
 *            , always skip authorization part.
 * @return
 * @throws FatalException
 */
private final Navajo processNavajo(Navajo inMessage, String instance, Object userCertificate, ClientInfo clientInfo, boolean skipAuth, TmlRunnable origRunnable, AfterWebServiceEmitter emit) throws FatalException {
    Access access = null;
    Navajo outMessage = null;
    String rpcName = "";
    String rpcUser = "";
    String rpcPassword = "";
    Throwable myException = null;
    String origThreadName = null;
    boolean scheduledWebservice = false;
    boolean afterWebServiceActivated = false;
    int accessSetSize = accessSet.size();
    setRequestRate(clientInfo, accessSetSize);
    Navajo result = handleCallbackPointers(inMessage, instance);
    if (result != null) {
        return result;
    }
    Header header = inMessage.getHeader();
    rpcName = header.getRPCName();
    rpcUser = header.getRPCUser();
    rpcPassword = header.getRPCPassword();
    boolean preventFinalize = false;
    try {
        /**
         * Phase II: Authorisation/Authentication of the user. Is the user
         * known and valid and may it use the specified service? Also log
         * the access.
         */
        long startAuth = System.currentTimeMillis();
        if (rpcName == null) {
            throw new FatalException("No script defined");
        }
        if (rpcName.equals("navajo_ping")) {
            // Ping!
            outMessage = NavajoFactory.getInstance().createNavajo();
            Header h = NavajoFactory.getInstance().createHeader(outMessage, "", "", "", -1);
            outMessage.addHeader(h);
            return outMessage;
        }
        access = new Access(1, 1, rpcUser, rpcName, "", "", "", userCertificate, false, null);
        access.setTenant(instance);
        access.rpcPwd = rpcPassword;
        access.setInDoc(inMessage);
        access.setClientDescription(header.getHeaderAttribute("clientdescription"));
        access.setApplication(header.getHeaderAttribute("application"));
        access.setOrganization(header.getHeaderAttribute("organization"));
        if (clientInfo != null) {
            access.ipAddress = clientInfo.getIP();
            access.hostName = clientInfo.getHost();
        }
        NavajoEventRegistry.getInstance().publishEvent(new NavajoRequestEvent(access));
        appendGlobals(inMessage, instance);
        if (useAuthorisation && !skipAuth) {
            try {
                if (navajoConfig == null) {
                    throw new FatalException("EMPTY NAVAJOCONFIG, INVALID STATE OF DISPATCHER!");
                }
                // if (instance == null) {
                // throw new SystemException(-1, "No tenant set -cannot authenticate!");
                // }
                // Determine authenticator
                final AuthenticationMethod authenticator;
                if (clientInfo == null) {
                    authenticator = authMethodBuilder.getInstanceForRequest(null);
                } else {
                    authenticator = authMethodBuilder.getInstanceForRequest(clientInfo.getAuthHeader());
                }
                if (authenticator == null) {
                    throw new FatalException("Missing authenticator");
                }
                authenticator.process(access);
            } catch (AuthorizationException ex) {
                outMessage = generateAuthorizationErrorMessage(access, ex, rpcName);
                AuditLog.log(AuditLog.AUDIT_MESSAGE_AUTHORISATION, "(service=" + rpcName + ", user=" + rpcUser + ", message=" + ex.getMessage(), Level.WARNING);
                access.setExitCode(Access.EXIT_AUTH_EXECPTION);
                return outMessage;
            }/*catch (SystemException se) { //
                    logger.error("SystemException on authenticateUser  {} for {}: ", rpcUser, rpcName, se);
                    outMessage = generateErrorMessage(access, se.getMessage(), SystemException.NOT_AUTHORISED, 1, new Exception("NOT AUTHORISED"));
                    AuditLog.log(AuditLog.AUDIT_MESSAGE_AUTHORISATION, "(service=" + rpcName + ", user=" + rpcUser + ", message=" + se.getMessage(),
                            Level.WARNING);
                    access.setExitCode(Access.EXIT_AUTH_EXECPTION);
                    return outMessage;
                }*/
             catch (Throwable t) {
                logger.error("Unexpected exception on authenticateUser  {} for {}: ", rpcUser, rpcName, t);
                outMessage = generateErrorMessage(access, t.getMessage(), SystemException.NOT_AUTHORISED, 1, new Exception("NOT AUTHORISED"));
                access.setExitCode(Access.EXIT_AUTH_EXECPTION);
                access.setException(t);
                return outMessage;
            }
        }
        if (clientInfo != null) {
            access.ipAddress = clientInfo.getIP();
            access.hostName = clientInfo.getHost();
            access.parseTime = clientInfo.getParseTime();
            access.queueTime = clientInfo.getQueueTime();
            access.requestEncoding = clientInfo.getEncoding();
            access.compressedReceive = clientInfo.isCompressedRecv();
            access.compressedSend = clientInfo.isCompressedSend();
            access.contentLength = clientInfo.getContentLength();
            access.created = clientInfo.getCreated();
            access.queueId = clientInfo.getQueueId();
            access.queueSize = clientInfo.getQueueSize();
            // Set the name of this thread.
            origThreadName = Thread.currentThread().getName();
            Thread.currentThread().setName(getThreadName(access));
        }
        final GlobalManager gm;
        if (instance != null) {
            gm = globalManagers.get(instance);
        } else {
            gm = globalManagers.get("default");
        }
        if (gm != null) {
            gm.initGlobals(inMessage);
        }
        if (origRunnable != null) {
            access.setOriginalRunnable(origRunnable);
            // and vice versa, for the endTransaction
            origRunnable.setAttribute("access", access);
        }
        String fullLog = inMessage.getHeader().getHeaderAttribute("fullLog");
        if ("true".equals(fullLog)) {
            logger.info("Full debug detected. Accesshash: {}", access.hashCode());
            access.setDebugAll(true);
        }
        if ((access.userID == -1) || (access.serviceID == -1)) {
            // ACCESS NOTGRANTED.
            String errorMessage = "";
            if (access.userID == -1) {
                errorMessage = "Cannot authenticate user: " + rpcUser;
            } else {
                errorMessage = "Cannot authorise use of: " + rpcName;
            }
            outMessage = generateErrorMessage(access, errorMessage, SystemException.NOT_AUTHORISED, 1, new Exception("NOT AUTHORISED"));
            return outMessage;
        } else {
            // ACCESS GRANTED.
            access.authorisationTime = (int) (System.currentTimeMillis() - startAuth);
            accessSet.add(access);
            // username might've changed as the username might've been a placeholder while we're authenticating using a bearer token
            rpcUser = access.getRpcUser();
            // Be very defensive not to add null values to the MDC, as they will fail at unexpected moments
            if (access.accessID != null) {
                MDC.put("accessId", access.accessID);
            }
            if (access.getRpcName() != null) {
                MDC.put("rpcName", access.getRpcName());
            }
            if (access.getRpcUser() != null) {
                MDC.put("rpcUser", access.getRpcUser());
            }
            if (access.getTenant() != null) {
                MDC.put("tenant", access.getTenant());
            }
            if (getNavajoConfig().getRootPath() != null) {
                MDC.put("rootPath", getNavajoConfig().getRootPath());
            }
            if (getNavajoConfig().getInstanceName() != null) {
                MDC.put("instanceName", getNavajoConfig().getInstanceName());
            }
            if (getNavajoConfig().getInstanceGroup() != null) {
                MDC.put("instanceGroup", getNavajoConfig().getInstanceGroup());
            }
            if (inMessage.getHeader().getSchedule() != null && !inMessage.getHeader().getSchedule().equals("")) {
                if (validTimeSpecification(inMessage.getHeader().getSchedule())) {
                    scheduledWebservice = true;
                    logger.info("Scheduling webservice: {}  on {} ", inMessage.getHeader().getRPCName(), inMessage.getHeader().getSchedule());
                    TaskRunnerInterface trf = TaskRunnerFactory.getInstance();
                    TaskInterface ti = trf.createTask();
                    try {
                        ti.setTrigger(inMessage.getHeader().getSchedule());
                        ti.setNavajo(inMessage);
                        // Make sure task gets persisted in tasks.xml
                        ti.setPersisted(true);
                        if (inMessage.getHeader().getHeaderAttribute("keeprequestresponse") != null && inMessage.getHeader().getHeaderAttribute("keeprequestresponse").equals("true")) {
                            ti.setKeepRequestResponse(true);
                        }
                        trf.addTask(ti);
                        outMessage = generateScheduledMessage(inMessage.getHeader(), ti.getId(), false);
                    } catch (TriggerException e) {
                        logger.info("WARNING: Invalid trigger specified for task {}: {}", ti.getId(), inMessage.getHeader().getSchedule());
                        trf.removeTask(ti);
                        outMessage = generateErrorMessage(access, "Could not schedule task:" + e.getMessage(), -1, -1, e);
                    }
                } else {
                    // obsolete time specification
                    outMessage = generateScheduledMessage(inMessage.getHeader(), null, true);
                }
            } else {
                /**
                 * Phase VI: Dispatch to proper servlet.
                 */
                // Create beforeWebservice event.
                access.setInDoc(inMessage);
                long bstart = System.currentTimeMillis();
                Navajo useProxy = (WebserviceListenerFactory.getInstance() != null ? WebserviceListenerFactory.getInstance().beforeWebservice(rpcName, access) : null);
                access.setBeforeServiceTime((int) (System.currentTimeMillis() - bstart));
                if (useAuthorisation) {
                    if (useProxy == null) {
                        outMessage = dispatch(access);
                    } else {
                        rpcName = access.rpcName;
                        outMessage = useProxy;
                    }
                } else {
                    throw new UnsupportedOperationException("I've removed this code because I assumed it wasn't used any more");
                }
            }
        }
    } catch (AuthorizationException aee) {
        outMessage = generateAuthorizationErrorMessage(access, aee, rpcName);
        AuditLog.log(AuditLog.AUDIT_MESSAGE_AUTHORISATION, "(service=" + rpcName + ", user=" + rpcUser + ", message=" + aee.getMessage() + ")", Level.WARNING);
        myException = aee;
        access.setExitCode(Access.EXIT_AUTH_EXECPTION);
        return outMessage;
    } catch (UserException ue) {
        try {
            outMessage = generateErrorMessage(access, ue.getMessage(), ue.code, 1, (ue.getCause() != null ? ue.getCause() : ue));
            myException = ue;
            return outMessage;
        } catch (Exception ee) {
            logger.error("Error: ", ee);
            myException = ee;
            return errorHandler(access, ee, inMessage);
        }
    } catch (SystemException se) {
        logger.error("Error: ", se);
        myException = se;
        try {
            outMessage = generateErrorMessage(access, se.getMessage(), se.code, 1, (se.getCause() != null ? se.getCause() : se));
            return outMessage;
        } catch (Exception ee) {
            logger.error("Error: ", ee);
            return errorHandler(access, ee, inMessage);
        }
    } catch (Throwable e) {
        logger.error("Error: ", e);
        myException = e;
        return errorHandler(access, e, inMessage);
    } finally {
        if (!preventFinalize) {
            finalizeService(inMessage, access, rpcName, rpcUser, myException, origThreadName, scheduledWebservice, afterWebServiceActivated, emit);
        }
    }
    return access.getOutputDoc();
}