/*
* Copyright 2012 - 2022 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.web;
import com.google.inject.Injector;
import com.google.inject.servlet.GuiceFilter;
import org.eclipse.jetty.http.HttpCookie;
import org.eclipse.jetty.http.HttpMethod;
import org.eclipse.jetty.http.HttpStatus;
import org.eclipse.jetty.proxy.AsyncProxyServlet;
import org.eclipse.jetty.server.CustomRequestLog;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.RequestLogWriter;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ErrorHandler;
import org.eclipse.jetty.server.handler.HandlerList;
import org.eclipse.jetty.server.handler.gzip.GzipHandler;
import org.eclipse.jetty.server.session.DatabaseAdaptor;
import org.eclipse.jetty.server.session.DefaultSessionCache;
import org.eclipse.jetty.server.session.JDBCSessionDataStoreFactory;
import org.eclipse.jetty.server.session.SessionCache;
import org.eclipse.jetty.server.session.SessionHandler;
import org.eclipse.jetty.servlet.DefaultServlet;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.websocket.server.config.JettyWebSocketServletContainerInitializer;
import org.glassfish.jersey.jackson.JacksonFeature;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletContainer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.LifecycleObject;
import org.traccar.api.CorsResponseFilter;
import org.traccar.api.DateParameterConverterProvider;
import org.traccar.api.ObjectMapperProvider;
import org.traccar.api.ResourceErrorHandler;
import org.traccar.api.resource.ServerResource;
import org.traccar.api.security.SecurityRequestFilter;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import javax.inject.Inject;
import javax.servlet.DispatcherType;
import javax.servlet.ServletException;
import javax.servlet.SessionCookieConfig;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.net.InetSocketAddress;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.EnumSet;
public class WebServer implements LifecycleObject {
private static final Logger LOGGER = LoggerFactory.getLogger(WebServer.class);
private final Injector injector;
private final Config config;
private final Server server;
@Inject
public WebServer(Injector injector, Config config) {
this.injector = injector;
this.config = config;
String address = config.getString(Keys.WEB_ADDRESS);
int port = config.getInteger(Keys.WEB_PORT);
if (address == null) {
server = new Server(port);
} else {
server = new Server(new InetSocketAddress(address, port));
}
ServletContextHandler servletHandler = new ServletContextHandler(ServletContextHandler.SESSIONS);
JettyWebSocketServletContainerInitializer.configure(servletHandler, null);
servletHandler.addFilter(GuiceFilter.class, "/*", EnumSet.allOf(DispatcherType.class));
initApi(servletHandler);
initSessionConfig(servletHandler);
if (config.getBoolean(Keys.WEB_CONSOLE)) {
servletHandler.addServlet(new ServletHolder(new ConsoleServlet(config)), "/console/*");
}
initWebApp(servletHandler);
servletHandler.setErrorHandler(new ErrorHandler() {
@Override
protected void handleErrorPage(
HttpServletRequest request, Writer writer, int code, String message) throws IOException {
if (code == HttpStatus.NOT_FOUND_404 && request.getPathInfo().startsWith("/modern")) {
writer.write(Files.readString(
Paths.get(config.getString(Keys.WEB_PATH), "modern", "index.html")));
} else {
writer.write("
Error"
+ code + " - " + HttpStatus.getMessage(code) + "");
}
}
});
HandlerList handlers = new HandlerList();
initClientProxy(handlers);
handlers.addHandler(servletHandler);
handlers.addHandler(new GzipHandler());
server.setHandler(handlers);
if (config.hasKey(Keys.WEB_REQUEST_LOG_PATH)) {
RequestLogWriter logWriter = new RequestLogWriter(config.getString(Keys.WEB_REQUEST_LOG_PATH));
logWriter.setAppend(true);
logWriter.setRetainDays(config.getInteger(Keys.WEB_REQUEST_LOG_RETAIN_DAYS));
CustomRequestLog requestLog = new CustomRequestLog(logWriter, CustomRequestLog.NCSA_FORMAT);
server.setRequestLog(requestLog);
}
}
private void initClientProxy(HandlerList handlers) {
int port = config.getInteger(Keys.PROTOCOL_PORT.withPrefix("osmand"));
if (port != 0) {
ServletContextHandler servletHandler = new ServletContextHandler() {
@Override
public void doScope(
String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
if (target.equals("/") && request.getMethod().equals(HttpMethod.POST.asString())) {
super.doScope(target, baseRequest, request, response);
}
}
};
ServletHolder servletHolder = new ServletHolder(AsyncProxyServlet.Transparent.class);
servletHolder.setInitParameter("proxyTo", "http://localhost:" + port);
servletHandler.addServlet(servletHolder, "/");
handlers.addHandler(servletHandler);
}
}
private void initWebApp(ServletContextHandler servletHandler) {
ServletHolder servletHolder = new ServletHolder(DefaultServlet.class);
servletHolder.setInitParameter("resourceBase", new File(config.getString(Keys.WEB_PATH)).getAbsolutePath());
servletHolder.setInitParameter("dirAllowed", "false");
if (config.getBoolean(Keys.WEB_DEBUG)) {
servletHandler.setWelcomeFiles(new String[] {"debug.html", "index.html"});
} else {
String cache = config.getString(Keys.WEB_CACHE_CONTROL);
if (cache != null && !cache.isEmpty()) {
servletHolder.setInitParameter("cacheControl", cache);
}
servletHandler.setWelcomeFiles(new String[] {"release.html", "index.html"});
}
servletHandler.addServlet(servletHolder, "/*");
}
private void initApi(ServletContextHandler servletHandler) {
String mediaPath = config.getString(Keys.MEDIA_PATH);
if (mediaPath != null) {
ServletHolder servletHolder = new ServletHolder(DefaultServlet.class);
servletHolder.setInitParameter("resourceBase", new File(mediaPath).getAbsolutePath());
servletHolder.setInitParameter("dirAllowed", "false");
servletHolder.setInitParameter("pathInfoOnly", "true");
servletHandler.addServlet(servletHolder, "/api/media/*");
}
ResourceConfig resourceConfig = new ResourceConfig();
resourceConfig.registerClasses(
JacksonFeature.class,
ObjectMapperProvider.class,
DateParameterConverterProvider.class,
SecurityRequestFilter.class,
CorsResponseFilter.class,
ResourceErrorHandler.class);
resourceConfig.packages(ServerResource.class.getPackage().getName());
if (resourceConfig.getClasses().stream().filter(ServerResource.class::equals).findAny().isEmpty()) {
LOGGER.warn("Failed to load API resources");
}
servletHandler.addServlet(new ServletHolder(new ServletContainer(resourceConfig)), "/api/*");
}
private void initSessionConfig(ServletContextHandler servletHandler) {
if (config.getBoolean(Keys.WEB_PERSIST_SESSION)) {
DatabaseAdaptor databaseAdaptor = new DatabaseAdaptor();
databaseAdaptor.setDatasource(injector.getInstance(DataSource.class));
JDBCSessionDataStoreFactory jdbcSessionDataStoreFactory = new JDBCSessionDataStoreFactory();
jdbcSessionDataStoreFactory.setDatabaseAdaptor(databaseAdaptor);
SessionHandler sessionHandler = servletHandler.getSessionHandler();
SessionCache sessionCache = new DefaultSessionCache(sessionHandler);
sessionCache.setSessionDataStore(jdbcSessionDataStoreFactory.getSessionDataStore(sessionHandler));
sessionHandler.setSessionCache(sessionCache);
}
int sessionTimeout = config.getInteger(Keys.WEB_SESSION_TIMEOUT);
if (sessionTimeout > 0) {
servletHandler.getSessionHandler().setMaxInactiveInterval(sessionTimeout);
}
String sameSiteCookie = config.getString(Keys.WEB_SAME_SITE_COOKIE);
if (sameSiteCookie != null) {
SessionCookieConfig sessionCookieConfig = servletHandler.getServletContext().getSessionCookieConfig();
switch (sameSiteCookie.toLowerCase()) {
case "lax":
sessionCookieConfig.setComment(HttpCookie.SAME_SITE_LAX_COMMENT);
break;
case "strict":
sessionCookieConfig.setComment(HttpCookie.SAME_SITE_STRICT_COMMENT);
break;
case "none":
sessionCookieConfig.setSecure(true);
sessionCookieConfig.setComment(HttpCookie.SAME_SITE_NONE_COMMENT);
break;
default:
break;
}
}
}
@Override
public void start() throws Exception {
server.start();
}
@Override
public void stop() throws Exception {
server.stop();
}
}