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/*
* Copyright 2012 - 2020 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 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.servlet.DefaultServlet;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
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.api.DateParameterConverterProvider;
import org.traccar.config.Config;
import org.traccar.api.AsyncSocketServlet;
import org.traccar.api.CorsResponseFilter;
import org.traccar.api.MediaFilter;
import org.traccar.api.ObjectMapperProvider;
import org.traccar.api.ResourceErrorHandler;
import org.traccar.api.SecurityRequestFilter;
import org.traccar.api.resource.ServerResource;
import org.traccar.config.Keys;
import javax.servlet.DispatcherType;
import javax.servlet.ServletException;
import javax.servlet.SessionCookieConfig;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.net.InetSocketAddress;
import java.util.EnumSet;
public class WebServer {
private static final Logger LOGGER = LoggerFactory.getLogger(WebServer.class);
private Server server;
private void initServer(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));
}
}
public WebServer(Config config) {
initServer(config);
ServletContextHandler servletHandler = new ServletContextHandler(ServletContextHandler.SESSIONS);
initApi(config, servletHandler);
initSessionConfig(config, servletHandler);
if (config.getBoolean("web.console")) {
servletHandler.addServlet(new ServletHolder(new ConsoleServlet()), "/console/*");
}
initWebApp(config, servletHandler);
servletHandler.setErrorHandler(new ErrorHandler() {
@Override
protected void handleErrorPage(
HttpServletRequest request, Writer writer, int code, String message) throws IOException {
writer.write("<!DOCTYPE><html><head><title>Error</title></head><html><body>"
+ code + " - " + HttpStatus.getMessage(code) + "</body></html>");
}
});
HandlerList handlers = new HandlerList();
initClientProxy(config, handlers);
handlers.addHandler(servletHandler);
handlers.addHandler(new GzipHandler());
server.setHandler(handlers);
if (config.getBoolean(Keys.WEB_REQUEST_LOG_ENABLE)) {
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(Config config, 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(new AsyncProxyServlet.Transparent());
servletHolder.setInitParameter("proxyTo", "http://localhost:" + port);
servletHandler.addServlet(servletHolder, "/");
handlers.addHandler(servletHandler);
}
}
private void initWebApp(Config config, ServletContextHandler servletHandler) {
ServletHolder servletHolder = new ServletHolder(DefaultServlet.class);
servletHolder.setInitParameter("resourceBase", new File(config.getString("web.path")).getAbsolutePath());
if (config.getBoolean("web.debug")) {
servletHandler.setWelcomeFiles(new String[] {"debug.html", "index.html"});
} else {
String cache = config.getString("web.cacheControl");
if (cache != null && !cache.isEmpty()) {
servletHolder.setInitParameter("cacheControl", cache);
}
servletHandler.setWelcomeFiles(new String[] {"release.html", "index.html"});
}
servletHandler.addServlet(servletHolder, "/*");
}
private void initApi(Config config, ServletContextHandler servletHandler) {
servletHandler.addServlet(new ServletHolder(new AsyncSocketServlet()), "/api/socket");
if (config.hasKey("media.path")) {
ServletHolder servletHolder = new ServletHolder(DefaultServlet.class);
servletHolder.setInitParameter("resourceBase", new File(config.getString("media.path")).getAbsolutePath());
servletHolder.setInitParameter("dirAllowed", config.getString("media.dirAllowed", "false"));
servletHolder.setInitParameter("pathInfoOnly", "true");
servletHandler.addServlet(servletHolder, "/api/media/*");
servletHandler.addFilter(MediaFilter.class, "/api/media/*", EnumSet.allOf(DispatcherType.class));
}
ResourceConfig resourceConfig = new ResourceConfig();
resourceConfig.registerClasses(
JacksonFeature.class, ObjectMapperProvider.class, ResourceErrorHandler.class,
SecurityRequestFilter.class, CorsResponseFilter.class, DateParameterConverterProvider.class);
resourceConfig.packages(ServerResource.class.getPackage().getName());
servletHandler.addServlet(new ServletHolder(new ServletContainer(resourceConfig)), "/api/*");
}
private void initSessionConfig(Config config, ServletContextHandler servletHandler) {
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;
}
}
}
public void start() {
try {
server.start();
} catch (Exception error) {
LOGGER.warn("Web server start failed", error);
}
}
public void stop() {
try {
server.stop();
} catch (Exception error) {
LOGGER.warn("Web server stop failed", error);
}
}
}
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