@Bean
public WebServerFactoryCustomizer accessWebServerFactoryCustomizer() {
    return factory -> {
        if (factory instanceof JettyServletWebServerFactory) {
            ((JettyServletWebServerFactory) factory).addServerCustomizers((JettyServerCustomizer) server -> {
                HandlerCollection handlers = new HandlerCollection();
                for (Handler handler : server.getHandlers()) {
                    handlers.addHandler(handler);
                }
                RequestLogHandler reqLogs = new RequestLogHandler();
                Slf4jRequestLog requestLog = new Slf4jRequestLog();
                requestLog.setLoggerName("access-log");
                requestLog.setLogLatency(false);

                reqLogs.setRequestLog(requestLog);
                handlers.addHandler(reqLogs);
                server.setHandler(handlers);
            });
        }
    };
}
 

protected void addHandlers() {
  // root handler with request logging
  final RequestLogHandler rootHandler = new RequestLogHandler();
  embeddedJetty.insertHandler(rootHandler);
  RequestLogImpl_Jetty_Fix requestLogger = new RequestLogImpl_Jetty_Fix();
  requestLogger.setResource("/logback-access.xml");
  rootHandler.setRequestLog(requestLogger);

  // gzip handler.
  final GzipHandler gzipHandler = new GzipHandler();
  // gzip handler interferes with ChunkedOutput, so exclude the job download path
  gzipHandler.addExcludedPaths("/apiv2/job/*");
  rootHandler.setHandler(gzipHandler);

  // servlet handler for everything (to manage path mapping)
  servletContextHandler = new ServletContextHandler(ServletContextHandler.NO_SESSIONS);
  servletContextHandler.setContextPath("/");
  gzipHandler.setHandler(servletContextHandler);

  // error handler
  final ErrorHandler errorHandler = new ErrorHandler();
  errorHandler.setShowStacks(true);
  errorHandler.setShowMessageInTitle(true);
  embeddedJetty.setErrorHandler(errorHandler);
}
 

public void start() throws Exception {
    RequestLogHandler requestLogHandler = new RequestLogHandler();
    Slf4jRequestLog requestLog = new Slf4jRequestLog();
    requestLog.setExtended(true);
    requestLog.setLogTimeZone(TimeZone.getDefault().getID());
    requestLog.setLogLatency(true);
    requestLogHandler.setRequestLog(requestLog);
    handlers.add(0, new ContextHandlerCollection());
    handlers.add(requestLogHandler);

    ContextHandlerCollection contexts = new ContextHandlerCollection();
    contexts.setHandlers(handlers.toArray(new Handler[handlers.size()]));

    HandlerCollection handlerCollection = new HandlerCollection();
    handlerCollection.setHandlers(new Handler[] { contexts, new DefaultHandler(), requestLogHandler });
    server.setHandler(handlerCollection);

    server.start();

    log.info("Server started at end point {}", getServiceUri());
}
 

public void start() throws PulsarServerException {
    log.info("Starting web socket proxy at port {}", conf.getWebServicePort().get());
    RequestLogHandler requestLogHandler = new RequestLogHandler();
    Slf4jRequestLog requestLog = new Slf4jRequestLog();
    requestLog.setExtended(true);
    requestLog.setLogTimeZone(TimeZone.getDefault().getID());
    requestLog.setLogLatency(true);
    requestLogHandler.setRequestLog(requestLog);
    handlers.add(0, new ContextHandlerCollection());
    handlers.add(requestLogHandler);

    ContextHandlerCollection contexts = new ContextHandlerCollection();
    contexts.setHandlers(handlers.toArray(new Handler[handlers.size()]));

    HandlerCollection handlerCollection = new HandlerCollection();
    handlerCollection.setHandlers(new Handler[] { contexts, new DefaultHandler(), requestLogHandler });
    server.setHandler(handlerCollection);

    try {
        server.start();
    } catch (Exception e) {
        throw new PulsarServerException(e);
    }
}
 

private static HandlerCollection createHandlers(
        final GatewayConfig config,
        final GatewayServices services,
        final ContextHandlerCollection contexts) {
    HandlerCollection handlers = new HandlerCollection();
    RequestLogHandler logHandler = new RequestLogHandler();
    logHandler.setRequestLog(new AccessHandler());

    TraceHandler traceHandler = new TraceHandler();
    traceHandler.setHandler(contexts);
    traceHandler.setTracedBodyFilter(System.getProperty("org.apache.knox.gateway.trace.body.status.filter"));

    CorrelationHandler correlationHandler = new CorrelationHandler();
    correlationHandler.setHandler(traceHandler);

    DefaultTopologyHandler defaultTopoHandler = new DefaultTopologyHandler(config, services, contexts);

    handlers.setHandlers(new Handler[]{correlationHandler, defaultTopoHandler, logHandler});
    return handlers;
}
 

public WebServer(@NotNull SharedContext context, @NotNull Server server, @Nullable URL baseUrl, @NotNull EncryptionFactory tokenFactory) throws URISyntaxException {
  this.context = context;
  this.server = server;
  this.baseUrl = baseUrl == null ? null : baseUrl.toURI();
  this.tokenFactory = tokenFactory;
  final ServletContextHandler contextHandler = new ServletContextHandler();
  contextHandler.setContextPath("/");
  handler = contextHandler.getServletHandler();

  final RequestLogHandler logHandler = new RequestLogHandler();
  logHandler.setRequestLog((request, response) -> {
    final User user = (User) request.getAttribute(User.class.getName());
    final String username = (user == null || user.isAnonymous()) ? "" : user.getUsername();
    log.info("{}:{} - {} - \"{} {}\" {} {}", request.getRemoteHost(), request.getRemotePort(), username, request.getMethod(), request.getHttpURI(), response.getStatus(), response.getReason());
  });

  final HandlerCollection handlers = new HandlerCollection();
  handlers.addHandler(contextHandler);
  handlers.addHandler(logHandler);
  server.setHandler(handlers);
}
 

private HandlerCollection setupHandler() throws Exception {
    final ResourceConfig resourceConfig = setupResourceConfig();
    final ServletContainer servlet = new ServletContainer(resourceConfig);

    final ServletHolder jerseyServlet = new ServletHolder(servlet);
    // Initialize and register Jersey ServletContainer

    jerseyServlet.setInitOrder(1);

    // statically provide injector to jersey application.
    final ServletContextHandler context =
        new ServletContextHandler(ServletContextHandler.NO_SESSIONS);
    context.setContextPath("/");

    GzipHandler gzip = new GzipHandler();
    gzip.setIncludedMethods("POST");
    gzip.setMinGzipSize(860);
    gzip.setIncludedMimeTypes("application/json");
    context.setGzipHandler(gzip);

    context.addServlet(jerseyServlet, "/*");
    context.addFilter(new FilterHolder(new ShutdownFilter(stopping, mapper)), "/*", null);
    context.setErrorHandler(new JettyJSONErrorHandler(mapper));

    final RequestLogHandler requestLogHandler = new RequestLogHandler();

    requestLogHandler.setRequestLog(new Slf4jRequestLog());

    final RewriteHandler rewrite = new RewriteHandler();
    makeRewriteRules(rewrite);

    final HandlerCollection handlers = new HandlerCollection();
    handlers.setHandlers(new Handler[]{rewrite, context, requestLogHandler});

    return handlers;
}
 

private Handler getRequestLogHandler(Handler handler) {
    RequestLog requestLog = new Log4JAccessLog(configuration.getAccessLogConfigFilePath(),
            () -> configuration.isAccessLogEnabled());
    RequestLogHandler requestLogHandler = new RequestLogHandler();
    requestLogHandler.setRequestLog(requestLog);
    requestLogHandler.setHandler(handler);

    return requestLogHandler;
}
 

/**
 * Wraps the Jetty handler.
 *
 * @param server the Jetty server.
 */
private void wrapJettyHandler(Server server) {
    LogbackAccessJettyRequestLog requestLog = new LogbackAccessJettyRequestLog(
            logbackAccessProperties, environment, applicationEventPublisher);
    RequestLogHandler requestLogHandler = new RequestLogHandler();
    requestLogHandler.setHandler(server.getHandler());
    requestLogHandler.setRequestLog(requestLog);
    server.setHandler(requestLogHandler);
}
 

/**
 * Start the server with a http port and optional javamelody parameters.
 * @param port Http port
 * @param parameters Optional javamelody parameters
 * @throws Exception e
 */
public static void start(int port, Map<Parameter, String> parameters) throws Exception {
	// Init jetty
	server = new Server(port);
	final ContextHandlerCollection contexts = new ContextHandlerCollection();
	final ServletContextHandler context = new ServletContextHandler(contexts, "/",
			ServletContextHandler.SESSIONS);

	final net.bull.javamelody.MonitoringFilter monitoringFilter = new net.bull.javamelody.MonitoringFilter();
	monitoringFilter.setApplicationType("Standalone");
	final FilterHolder filterHolder = new FilterHolder(monitoringFilter);
	if (parameters != null) {
		for (final Map.Entry<Parameter, String> entry : parameters.entrySet()) {
			final net.bull.javamelody.Parameter parameter = entry.getKey();
			final String value = entry.getValue();
			filterHolder.setInitParameter(parameter.getCode(), value);
		}
	}
	context.addFilter(filterHolder, "/*",
			EnumSet.of(DispatcherType.INCLUDE, DispatcherType.REQUEST));

	context.addEventListener(new SessionListener());

	final RequestLogHandler requestLogHandler = new RequestLogHandler();
	contexts.addHandler(requestLogHandler);

	final HandlerCollection handlers = new HandlerCollection();
	handlers.setHandlers(new Handler[] { contexts });
	server.setHandler(handlers);

	server.start();
}
 

/**
 * Start the server with a http port and optional javamelody parameters.
 * @param port Http port
 * @param parameters Optional javamelody parameters
 * @throws Exception e
 */
public static void start(int port, Map<Parameter, String> parameters) throws Exception {
	// Init jetty
	final Server server = new Server(port);
	final ContextHandlerCollection contexts = new ContextHandlerCollection();
	final ServletContextHandler context = new ServletContextHandler(contexts, "/",
			ServletContextHandler.SESSIONS);

	final net.bull.javamelody.MonitoringFilter monitoringFilter = new net.bull.javamelody.MonitoringFilter();
	monitoringFilter.setApplicationType("Standalone");
	final FilterHolder filterHolder = new FilterHolder(monitoringFilter);
	if (parameters != null) {
		for (final Map.Entry<Parameter, String> entry : parameters.entrySet()) {
			final net.bull.javamelody.Parameter parameter = entry.getKey();
			final String value = entry.getValue();
			filterHolder.setInitParameter(parameter.getCode(), value);
		}
	}
	context.addFilter(filterHolder, "/*",
			EnumSet.of(DispatcherType.INCLUDE, DispatcherType.REQUEST));

	final RequestLogHandler requestLogHandler = new RequestLogHandler();
	contexts.addHandler(requestLogHandler);

	final HandlerCollection handlers = new HandlerCollection();
	handlers.setHandlers(new Handler[] { contexts });
	server.setHandler(handlers);

	server.start();
}
 

public static void main(String[] args) throws Exception {
       // Create a basic jetty server object that will listen on port 8080.  Note that if you set this to port 0
       // then a randomly available port will be assigned that you can either look in the logs for the port,
       // or programmatically obtain it for use in test cases.
       Server server = new Server(8080);
	HandlerCollection handlers = new HandlerCollection();
	server.setHandler(handlers);

       ServletHandler servlet = new ServletHandler();
	servlet.addServletWithMapping(HelloServlet.class, "/*");
	handlers.addHandler(servlet);

	handlers.addHandler(new DefaultHandler()); // must be after servlet it seems

	// log using NCSA (common log format)
	// http://en.wikipedia.org/wiki/Common_Log_Format
	NCSARequestLog requestLog = new NCSARequestLog();
	requestLog.setFilename("/tmp/yyyy_mm_dd.request.log");
	requestLog.setFilenameDateFormat("yyyy_MM_dd");
	requestLog.setRetainDays(90);
	requestLog.setAppend(true);
	requestLog.setExtended(true);
	requestLog.setLogCookies(false);
	requestLog.setLogTimeZone("GMT");
	RequestLogHandler requestLogHandler = new RequestLogHandler();
	requestLogHandler.setRequestLog(requestLog);
	handlers.addHandler(requestLogHandler);

	// Start things up! By using the server.join() the server thread will join with the current thread.
	// See "http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Thread.html#join()" for more details.
	server.start();
	server.join();
}
 

private Pair<SessionHandler,HandlerCollection> createHandlers() {
    final WebAppContext webApp = new WebAppContext();
    webApp.setContextPath(contextPath);
    webApp.setInitParameter("org.eclipse.jetty.servlet.Default.dirAllowed", "false");

    // GZIP handler
    final GzipHandler gzipHandler = new GzipHandler();
    gzipHandler.addIncludedMimeTypes("text/html", "text/xml", "text/css", "text/plain", "text/javascript", "application/javascript", "application/json", "application/xml");
    gzipHandler.setIncludedMethods("GET", "POST");
    gzipHandler.setCompressionLevel(9);
    gzipHandler.setHandler(webApp);

    if (Strings.isNullOrEmpty(webAppLocation)) {
        webApp.setWar(getShadedWarUrl());
    } else {
        webApp.setWar(webAppLocation);
    }

    // Request log handler
    final RequestLogHandler log = new RequestLogHandler();
    log.setRequestLog(createRequestLog());

    // Redirect root context handler_war
    MovedContextHandler rootRedirect = new MovedContextHandler();
    rootRedirect.setContextPath("/");
    rootRedirect.setNewContextURL(contextPath);
    rootRedirect.setPermanent(true);

    // Put rootRedirect at the end!
    return new Pair<>(webApp.getSessionHandler(), new HandlerCollection(log, gzipHandler, rootRedirect));
}
 

private void initializeWebServer(String name, String hostName,
    ConfigurationSource conf, String[] pathSpecs,
    String authFilterConfigPrefix,
    boolean securityEnabled) throws IOException {

  Preconditions.checkNotNull(webAppContext);

  int maxThreads = conf.getInt(HTTP_MAX_THREADS_KEY, -1);
  // If HTTP_MAX_THREADS is not configured, QueueThreadPool() will use the
  // default value (currently 250).

  QueuedThreadPool threadPool = (QueuedThreadPool) webServer.getThreadPool();
  threadPool.setDaemon(true);
  if (maxThreads != -1) {
    threadPool.setMaxThreads(maxThreads);
  }

  SessionHandler handler = webAppContext.getSessionHandler();
  handler.setHttpOnly(true);
  handler.getSessionCookieConfig().setSecure(true);

  ContextHandlerCollection contexts = new ContextHandlerCollection();
  RequestLog requestLog = HttpRequestLog.getRequestLog(name);

  handlers.addHandler(contexts);
  if (requestLog != null) {
    RequestLogHandler requestLogHandler = new RequestLogHandler();
    requestLogHandler.setRequestLog(requestLog);
    handlers.addHandler(requestLogHandler);
  }
  handlers.addHandler(webAppContext);
  final String appDir = getWebAppsPath(name);
  addDefaultApps(contexts, appDir, conf);
  webServer.setHandler(handlers);

  Map<String, String> xFrameParams = setHeaders(conf);
  addGlobalFilter("safety", QuotingInputFilter.class.getName(), xFrameParams);
  final FilterInitializer[] initializers = getFilterInitializers(conf);
  if (initializers != null) {
    conf.set(BIND_ADDRESS, hostName);
    org.apache.hadoop.conf.Configuration hadoopConf =
        LegacyHadoopConfigurationSource.asHadoopConfiguration(conf);
    Map<String, String> filterConfig = getFilterConfigMap(hadoopConf,
        authFilterConfigPrefix);
    for (FilterInitializer c : initializers) {
      if ((c instanceof AuthenticationFilterInitializer) && securityEnabled) {
        addFilter("authentication",
            AuthenticationFilter.class.getName(), filterConfig);
      } else {
        c.initFilter(this, hadoopConf);
      }
    }
  }

  addDefaultServlets();

  if (pathSpecs != null) {
    for (String path : pathSpecs) {
      LOG.info("adding path spec: {}", path);
      addFilterPathMapping(path, webAppContext);
    }
  }
}
 

public void start(Keeper keeper) {
    log.info("Starting REST server");

    ResourceConfig resourceConfig = new ResourceConfig();
    resourceConfig.packages("com.ucar.datalink.worker.core.runtime.rest.resources");
    resourceConfig.register(new FastJsonProvider());
    resourceConfig.register(RootResource.class);
    resourceConfig.register(new TasksResource(keeper));
    resourceConfig.register(RestExceptionMapper.class);
    resourceConfig.register(FlushResource.class);
    resourceConfig.register(HBaseMetaResource.class);
    resourceConfig.register(WorkerResource.class);

    ServletContainer servletContainer = new ServletContainer(resourceConfig);
    ServletHolder servletHolder = new ServletHolder(servletContainer);

    ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
    context.setContextPath("/");
    context.addServlet(servletHolder, "/*");

    String allowedOrigins = config.getString(WorkerConfig.ACCESS_CONTROL_ALLOW_ORIGIN_CONFIG);
    if (allowedOrigins != null && !allowedOrigins.trim().isEmpty()) {
        FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
        filterHolder.setName("cross-origin");
        filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, allowedOrigins);
        String allowedMethods = config.getString(WorkerConfig.ACCESS_CONTROL_ALLOW_METHODS_CONFIG);
        if (allowedMethods != null && !allowedOrigins.trim().isEmpty()) {
            filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, allowedMethods);
        }
        context.addFilter(filterHolder, "/*", EnumSet.of(DispatcherType.REQUEST));
    }

    RequestLogHandler requestLogHandler = new RequestLogHandler();
    Slf4jRequestLog requestLog = new Slf4jRequestLog();
    requestLog.setLoggerName(RestServer.class.getCanonicalName());
    requestLog.setLogLatency(true);
    requestLogHandler.setRequestLog(requestLog);

    HandlerCollection handlers = new HandlerCollection();
    handlers.setHandlers(new Handler[]{context, new DefaultHandler(), requestLogHandler});

    /* Needed for graceful shutdown as per `setStopTimeout` documentation */
    StatisticsHandler statsHandler = new StatisticsHandler();
    statsHandler.setHandler(handlers);
    jettyServer.setHandler(statsHandler);
    jettyServer.setStopTimeout(GRACEFUL_SHUTDOWN_TIMEOUT_MS);
    jettyServer.setStopAtShutdown(true);

    try {
        jettyServer.start();
    } catch (Exception e) {
        throw new DatalinkException("Unable to start REST server", e);
    }

    log.info("REST server listening at " + jettyServer.getURI() + ", advertising URL " + advertisedUrl());
}
 

public void start() {
        log.info("Starting REST server");
        ResourceConfig resourceConfig = new ResourceConfig();
        resourceConfig.register(DataxResource.class);

        ServletContainer servletContainer = new ServletContainer(resourceConfig);
        ServletHolder servletHolder = new ServletHolder(servletContainer);

        ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
        context.setContextPath("/");
        context.addServlet(servletHolder, "/*");

        String allowedOrigins = System.getProperty(ACCESS_CONTROL_ALLOW_ORIGIN_CONFIG);
        if (allowedOrigins != null && !allowedOrigins.trim().isEmpty()) {
            FilterHolder filterHolder = new FilterHolder(new CrossOriginFilter());
            filterHolder.setName("cross-origin");
        filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, allowedOrigins);
        String allowedMethods = System.getProperty(ACCESS_CONTROL_ALLOW_METHODS_CONFIG);
        if (allowedMethods != null && !allowedOrigins.trim().isEmpty()) {
            filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, allowedMethods);
        }
            context.addFilter(filterHolder, "/*", EnumSet.of(DispatcherType.REQUEST));
    }

    RequestLogHandler requestLogHandler = new RequestLogHandler();
    Slf4jRequestLog requestLog = new Slf4jRequestLog();
    requestLog.setLoggerName(RestServer.class.getCanonicalName());
    requestLog.setLogLatency(true);
    requestLogHandler.setRequestLog(requestLog);


    HandlerCollection handlers = new HandlerCollection();
    handlers.setHandlers(new Handler[]{context, new DefaultHandler(), requestLogHandler});

    /* Needed for graceful shutdown as per `setStopTimeout` documentation */
    StatisticsHandler statsHandler = new StatisticsHandler();
    statsHandler.setHandler(handlers);
    jettyServer.setHandler(statsHandler);
    jettyServer.setStopTimeout(GRACEFUL_SHUTDOWN_TIMEOUT_MS);
    jettyServer.setStopAtShutdown(true);

    try {
        jettyServer.start();
    } catch (Exception e) {
        throw new RuntimeException("Unable to start REST server", e);
    }

    log.info("REST server listening at " + jettyServer.getURI() + ", advertising URL " + advertisedUrl());
}
 

public static Server of(String proxyTo, int port, File keystoreFile, String keystorePassword) {
  Server proxy = new Server();
  logger.info("Setting up HTTPS connector for web server");

  final SslContextFactory sslContextFactory = new SslContextFactory.Client();

  sslContextFactory.setKeyStorePath(keystoreFile.getAbsolutePath());
  sslContextFactory.setKeyStorePassword(keystorePassword);

  // SSL Connector
  final ServerConnector sslConnector = new ServerConnector(proxy,
      new SslConnectionFactory(sslContextFactory, HttpVersion.HTTP_1_1.toString()),
      new HttpConnectionFactory(new HttpConfiguration()));
  // regular http connector if one needs to inspect the wire. Requires tweaking the ElasticsearchPlugin to use http
  // final ServerConnector sslConnector = new ServerConnector(embeddedJetty,
  //   new HttpConnectionFactory(new HttpConfiguration()));
  sslConnector.setPort(port);
  proxy.addConnector(sslConnector);

  // root handler with request logging
  final RequestLogHandler rootHandler = new RequestLogHandler();
  proxy.setHandler(rootHandler);

  final ServletContextHandler servletContextHandler = new ServletContextHandler(ServletContextHandler.NO_SESSIONS);
  servletContextHandler.setContextPath("/");
  rootHandler.setHandler(servletContextHandler);

  // error handler
  ProxyServlet.Transparent proxyServlet = new ProxyServlet.Transparent() {
    @Override
    public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
      try {
        HttpServletRequest hr = (HttpServletRequest) req;
        logger.debug("incoming {} {}://{}:{} {}",
            hr.getMethod(),
            req.getScheme(),
            req.getServerName(),
            req.getServerPort(),
            hr.getRequestURL());
        super.service(req, res);
      } catch (Exception e) {
        logger.error("can't proxy " + req, e);
        throw new RuntimeException(e);
      }
    }

    @Override
    protected String rewriteTarget(HttpServletRequest clientRequest) {
      final String serverName = clientRequest.getServerName();
      final int serverPort = clientRequest.getServerPort();
      final String query = clientRequest.getQueryString();

      String result = super.rewriteTarget(clientRequest);

      logger.debug("Proxying {}://{}:{}{} to {}\n",
          clientRequest.getScheme(),
          serverName,
          serverPort,
          query != null ? '?' + query : "",
          result);

      return result;
    }
  };
  // Rest API
  final ServletHolder proxyHolder = new ServletHolder(proxyServlet);
  proxyHolder.setInitParameter("proxyTo", proxyTo);
  proxyHolder.setInitOrder(1);

  servletContextHandler.addServlet(proxyHolder, "/*");

  return proxy;
}
 

private void init() {
    server = new Server(webServerExecutor);

    List<ServerConnector> connectors = new ArrayList<>();
    httpConnector = new ServerConnector(server, 1, 1);
    httpConnector.setPort(this.workerConfig.getWorkerPort());
    connectors.add(httpConnector);

    List<Handler> handlers = new ArrayList<>(4);
    handlers.add(
            newServletContextHandler("/admin", new ResourceConfig(Resources.getApiV2Resources()), workerService));
    handlers.add(
            newServletContextHandler("/admin/v2", new ResourceConfig(Resources.getApiV2Resources()), workerService));
    handlers.add(
            newServletContextHandler("/admin/v3", new ResourceConfig(Resources.getApiV3Resources()), workerService));
    // don't require auth for metrics or config routes
    handlers.add(newServletContextHandler("/", new ResourceConfig(Resources.getRootResources()), workerService, workerConfig.isAuthenticateMetricsEndpoint()));

    RequestLogHandler requestLogHandler = new RequestLogHandler();
    Slf4jRequestLog requestLog = new Slf4jRequestLog();
    requestLog.setExtended(true);
    requestLog.setLogTimeZone(TimeZone.getDefault().getID());
    requestLog.setLogLatency(true);
    requestLogHandler.setRequestLog(requestLog);
    handlers.add(0, new ContextHandlerCollection());
    handlers.add(requestLogHandler);

    ContextHandlerCollection contexts = new ContextHandlerCollection();
    contexts.setHandlers(handlers.toArray(new Handler[handlers.size()]));
    HandlerCollection handlerCollection = new HandlerCollection();
    handlerCollection.setHandlers(new Handler[] { contexts, new DefaultHandler(), requestLogHandler });
    server.setHandler(handlerCollection);

    if (this.workerConfig.getWorkerPortTls() != null) {
        try {
            SslContextFactory sslCtxFactory = SecurityUtility.createSslContextFactory(
                    this.workerConfig.isTlsAllowInsecureConnection(), this.workerConfig.getTlsTrustCertsFilePath(),
                    this.workerConfig.getTlsCertificateFilePath(), this.workerConfig.getTlsKeyFilePath(),
                    this.workerConfig.isTlsRequireTrustedClientCertOnConnect(),
                    true,
                    this.workerConfig.getTlsCertRefreshCheckDurationSec());
            httpsConnector = new ServerConnector(server, 1, 1, sslCtxFactory);
            httpsConnector.setPort(this.workerConfig.getWorkerPortTls());
            connectors.add(httpsConnector);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    // Limit number of concurrent HTTP connections to avoid getting out of file descriptors
    connectors.forEach(c -> c.setAcceptQueueSize(MAX_CONCURRENT_REQUESTS / connectors.size()));
    server.setConnectors(connectors.toArray(new ServerConnector[connectors.size()]));
}
 

public List<String> deployWebApplications(String rmUrl, String schedulerUrl) {
    initializeRestProperties();

    setSystemPropertyIfNotDefined("rm.url", rmUrl);
    setSystemPropertyIfNotDefined("scheduler.url", schedulerUrl);

    if (WebProperties.WEB_DEPLOY.getValueAsBoolean()) {
        logger.info("Starting the web applications...");

        int httpPort = getJettyHttpPort();
        int httpsPort = 443;
        if (WebProperties.WEB_HTTPS_PORT.isSet()) {
            httpsPort = WebProperties.WEB_HTTPS_PORT.getValueAsInt();
        }

        boolean httpsEnabled = WebProperties.WEB_HTTPS.getValueAsBoolean();
        boolean redirectHttpToHttps = WebProperties.WEB_REDIRECT_HTTP_TO_HTTPS.getValueAsBoolean();

        int restPort = httpPort;

        String httpProtocol;
        String[] defaultVirtualHost;
        String[] httpVirtualHost = new String[] { "@" + HTTP_CONNECTOR_NAME };

        if (httpsEnabled) {
            httpProtocol = "https";
            defaultVirtualHost = new String[] { "@" + HTTPS_CONNECTOR_NAME };
            restPort = httpsPort;
        } else {
            defaultVirtualHost = httpVirtualHost;
            httpProtocol = "http";
        }

        Server server = createHttpServer(httpPort, httpsPort, httpsEnabled, redirectHttpToHttps);

        server.setStopAtShutdown(true);

        HandlerList handlerList = new HandlerList();

        if (WebProperties.JETTY_LOG_FILE.isSet()) {
            String pathToJettyLogFile = FileStorageSupportFactory.relativeToHomeIfNotAbsolute(WebProperties.JETTY_LOG_FILE.getValueAsString());
            File jettyLogFile = new File(pathToJettyLogFile);
            if (!jettyLogFile.getParentFile().exists() && !jettyLogFile.getParentFile().mkdirs()) {
                logger.error("Could not create jetty log file in: " +
                             WebProperties.JETTY_LOG_FILE.getValueAsString());
            } else {
                NCSARequestLog requestLog = new NCSARequestLog(pathToJettyLogFile);
                requestLog.setAppend(true);
                requestLog.setExtended(false);
                requestLog.setLogTimeZone("GMT");
                requestLog.setLogLatency(true);
                requestLog.setRetainDays(WebProperties.JETTY_LOG_RETAIN_DAYS.getValueAsInt());

                RequestLogHandler requestLogHandler = new RequestLogHandler();
                requestLogHandler.setRequestLog(requestLog);
                handlerList.addHandler(requestLogHandler);
            }
        }

        if (httpsEnabled && redirectHttpToHttps) {
            ContextHandler redirectHandler = new ContextHandler();
            redirectHandler.setContextPath("/");
            redirectHandler.setHandler(new SecuredRedirectHandler());
            redirectHandler.setVirtualHosts(httpVirtualHost);
            handlerList.addHandler(redirectHandler);
        }

        addWarsToHandlerList(handlerList, defaultVirtualHost);
        server.setHandler(handlerList);

        String schedulerHost = ProActiveInet.getInstance().getHostname();
        return startServer(server, schedulerHost, restPort, httpProtocol);
    }
    return new ArrayList<>();
}
 

private static HandlerCollection createHandlers(
    final GatewayConfig config,
    final GatewayServices services,
    final ContextHandlerCollection contexts,
    final Map<String, Integer> topologyPortMap) {

  final Map<String, Handler> contextToHandlerMap = new HashMap<>();
  if(contexts.getHandlers() != null) {
    Arrays.asList(contexts.getHandlers()).stream()
        .filter(h -> h instanceof WebAppContext)
        .forEach(h -> contextToHandlerMap
            .put(((WebAppContext) h).getContextPath(), h));
  }

  HandlerCollection handlers = new HandlerCollection();
  RequestLogHandler logHandler = new RequestLogHandler();

  logHandler.setRequestLog( new AccessHandler() );

  TraceHandler traceHandler = new TraceHandler();
  traceHandler.setHandler( contexts );
  traceHandler.setTracedBodyFilter( System.getProperty( "org.apache.knox.gateway.trace.body.status.filter" ) );

  CorrelationHandler correlationHandler = new CorrelationHandler();
  correlationHandler.setHandler( traceHandler );

  // Used to correct the {target} part of request with Topology Port Mapping feature
  final PortMappingHelperHandler portMappingHandler = new PortMappingHelperHandler(config);
  portMappingHandler.setHandler(correlationHandler);

   // If topology to port mapping feature is enabled then we add new Handler {RequestForwardHandler}
   // to the chain, this handler listens on the configured port (in gateway-site.xml)
   // and simply forwards requests to the correct context path.

   //  The reason for adding ContextHandler is so that we can add a connector
   // to it on which the handler listens (exclusively).


  if (config.isGatewayPortMappingEnabled()) {

    /* Do the virtual host bindings for all the defined topology port mapped
    *  contexts except for the one that has gateway port to prevent issues
    *  with context deployment */
    topologyPortMap
        .entrySet()
        .stream()
        .filter(e -> !e.getValue().equals(config.getGatewayPort()))
        .forEach( entry ->  {
          log.createJettyHandler(entry.getKey());
          final Handler context = contextToHandlerMap
              .get("/" + config.getGatewayPath() + "/" + entry.getKey());

          if(context !=  null) {
            ((WebAppContext) context).setVirtualHosts(
                new String[] { "@" + entry.getKey().toLowerCase(Locale.ROOT) });
          } else {
            // no topology found for mapping entry.getKey()
            log.noMappedTopologyFound(entry.getKey());
          }
        });
  }

  handlers.addHandler(logHandler);

  if (config.isWebsocketEnabled()) {
    final GatewayWebsocketHandler websocketHandler = new GatewayWebsocketHandler(
        config, services);
    websocketHandler.setHandler(portMappingHandler);

    handlers.addHandler(websocketHandler);

  } else {
    handlers.addHandler(portMappingHandler);
  }

  return handlers;
}
 

/**
 * @return Jetty config bean
 */
@Bean
public ServletWebServerFactory jettyConfigBean() {
	JettyServletWebServerFactory jef = new JettyServletWebServerFactory();
	jef.addServerCustomizers((JettyServerCustomizer) (Server server) -> {
		if (Config.getConfigBoolean("access_log_enabled", true)) {
			// enable access log via Logback
			HandlerCollection handlers = new HandlerCollection();
			for (Handler handler : server.getHandlers()) {
				handlers.addHandler(handler);
			}
			RequestLogHandler reqLogs = new RequestLogHandler();
			reqLogs.setServer(server);
			RequestLogImpl rli = new RequestLogImpl();
			rli.setResource("/logback-access.xml");
			rli.setQuiet(true);
			rli.start();
			reqLogs.setRequestLog(rli);
			handlers.addHandler(reqLogs);
			server.setHandler(handlers);
		}

		for (Connector y : server.getConnectors()) {
			for (ConnectionFactory cf : y.getConnectionFactories()) {
				if (cf instanceof HttpConnectionFactory) {
					HttpConnectionFactory dcf = (HttpConnectionFactory) cf;
					// support for X-Forwarded-Proto
					// redirect back to https if original request uses it
					if (Config.IN_PRODUCTION) {
						ForwardedRequestCustomizer frc = new ForwardedRequestCustomizer() {
							public void customize(Connector connector, HttpConfiguration config, Request request) {
								super.customize(connector, config, request);
								String cfProto = request.getHeader("CloudFront-Forwarded-Proto");
								if (StringUtils.equalsIgnoreCase(cfProto, config.getSecureScheme())) {
									request.setScheme(cfProto);
									request.setSecure(true);
								}
							}
						};
						HttpConfiguration httpConfiguration = dcf.getHttpConfiguration();
						httpConfiguration.addCustomizer(frc);
					}
					// Disable Jetty version header
					dcf.getHttpConfiguration().setSendServerVersion(false);
					// Increase idle timeout
					dcf.getHttpConfiguration().setIdleTimeout(TimeUnit.MINUTES.toMillis(5));
				}
			}
		}
	});
	String contextPath = Config.getConfigParam("context_path", "");
	if (StringUtils.length(contextPath) > 1 && contextPath.charAt(0) == '/') {
		jef.setContextPath(contextPath);
	}
	jef.setPort(getServerPort());
	logger.info("Listening on port {}...", jef.getPort());
	return jef;
}
 

final Handler configureHandler() {
  ResourceConfig resourceConfig = new ResourceConfig();
  configureBaseApplication(resourceConfig, getMetricsTags());
  configureResourceExtensions(resourceConfig);
  setupResources(resourceConfig, getConfiguration());

  // Configure the servlet container
  ServletContainer servletContainer = new ServletContainer(resourceConfig);
  final FilterHolder servletHolder = new FilterHolder(servletContainer);

  ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
  context.setContextPath(path);

  ServletHolder defaultHolder = new ServletHolder("default", DefaultServlet.class);
  defaultHolder.setInitParameter("dirAllowed", "false");

  ResourceCollection staticResources = getStaticResources();
  if (staticResources != null) {
    context.setBaseResource(staticResources);
  }

  configureSecurityHandler(context);

  if (isCorsEnabled()) {
    String allowedOrigins = config.getString(RestConfig.ACCESS_CONTROL_ALLOW_ORIGIN_CONFIG);
    FilterHolder filterHolder = new FilterHolder(CrossOriginFilter.class);
    filterHolder.setName("cross-origin");
    filterHolder.setInitParameter(
            CrossOriginFilter.ALLOWED_ORIGINS_PARAM, allowedOrigins

    );
    String allowedMethods = config.getString(RestConfig.ACCESS_CONTROL_ALLOW_METHODS);
    String allowedHeaders = config.getString(RestConfig.ACCESS_CONTROL_ALLOW_HEADERS);
    if (allowedMethods != null && !allowedMethods.trim().isEmpty()) {
      filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, allowedMethods);
    }
    if (allowedHeaders != null && !allowedHeaders.trim().isEmpty()) {
      filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_HEADERS_PARAM, allowedHeaders);
    }
    // handle preflight cors requests at the filter level, do not forward down the filter chain
    filterHolder.setInitParameter(CrossOriginFilter.CHAIN_PREFLIGHT_PARAM, "false");
    context.addFilter(filterHolder, "/*", EnumSet.of(DispatcherType.REQUEST));
  }

  if (config.getString(RestConfig.RESPONSE_HTTP_HEADERS_CONFIG) != null
          && !config.getString(RestConfig.RESPONSE_HTTP_HEADERS_CONFIG).isEmpty()) {
    configureHttpResponsHeaderFilter(context);
  }

  configurePreResourceHandling(context);
  context.addFilter(servletHolder, "/*", null);
  configurePostResourceHandling(context);
  context.addServlet(defaultHolder, "/*");

  applyCustomConfiguration(context, REST_SERVLET_INITIALIZERS_CLASSES_CONFIG);

  RequestLogHandler requestLogHandler = new RequestLogHandler();
  requestLogHandler.setRequestLog(requestLog);

  HandlerCollection handlers = new HandlerCollection();
  handlers.setHandlers(new Handler[]{context, requestLogHandler});

  return handlers;
}
 

public void start() throws Exception {
    RequestLogHandler handler = new RequestLogHandler();

    if (context == null) {
        context = new ServletContextHandler(handler, "/", ServletContextHandler.SESSIONS);
    }

    context.setEventListeners(new EventListener[]{new EverrestInitializedListener()});
    ServletHolder servletHolder = new ServletHolder(new EverrestServlet());

    context.addServlet(servletHolder, UNSECURE_PATH_SPEC);
    context.addServlet(servletHolder, SECURE_PATH_SPEC);

    //set up security
    Constraint constraint = new Constraint();
    constraint.setName(Constraint.__BASIC_AUTH);
    constraint.setRoles(new String[]{"cloud-admin", "users", "user", "temp_user"});
    constraint.setAuthenticate(true);

    ConstraintMapping constraintMapping = new ConstraintMapping();
    constraintMapping.setConstraint(constraint);
    constraintMapping.setPathSpec(SECURE_PATH_SPEC);

    ConstraintSecurityHandler securityHandler = new ConstraintSecurityHandler();
    securityHandler.addConstraintMapping(constraintMapping);

    HashLoginService loginService = new HashLoginService();

    UserStore userStore = new UserStore();

    userStore.addUser(ADMIN_USER_NAME, new Password(ADMIN_USER_PASSWORD),
                         new String[]{"cloud-admin",
                                      "users",
                                      "user",
                                      "temp_user",
                                      "developer",
                                      "admin",
                                      "workspace/developer",
                                      "workspace/admin",
                                      "account/owner",
                                      "account/member",
                                      "system/admin",
                                      "system/manager"
                         });
    userStore.addUser(MANAGER_USER_NAME, new Password(MANAGER_USER_PASSWORD), new String[]{"cloud-admin",
                                                                                              "user",
                                                                                              "temp_user",
                                                                                              "users"});
    loginService.setUserStore(userStore);

    securityHandler.setLoginService(loginService);
    securityHandler.setAuthenticator(new BasicAuthenticator());

    context.setSecurityHandler(securityHandler);

    server.setHandler(handler);

    server.start();
    ResourceBinder binder =
            (ResourceBinder)context.getServletContext().getAttribute(ResourceBinder.class.getName());
    DependencySupplier dependencies =
            (DependencySupplier)context.getServletContext().getAttribute(DependencySupplier.class.getName());
    GroovyResourcePublisher groovyPublisher = new GroovyResourcePublisher(binder, dependencies);
    context.getServletContext().setAttribute(GroovyResourcePublisher.class.getName(), groovyPublisher);

}