mirror of
https://github.com/yacy/yacy_search_server.git
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459 lines
20 KiB
Java
459 lines
20 KiB
Java
//
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// Jetty9HttpServerImpl
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// Copyright 2011 by Florian Richter
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// First released 13.04.2011 at http://yacy.net
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program in the file lgpl21.txt
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// If not, see <http://www.gnu.org/licenses/>.
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//
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package net.yacy.http;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.security.KeyStore;
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import java.util.StringTokenizer;
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import javax.net.ssl.KeyManagerFactory;
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import javax.net.ssl.SSLContext;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.http.servlets.YaCyDefaultServlet;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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import net.yacy.utils.PKCS12Tool;
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import org.eclipse.jetty.http.HttpVersion;
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import org.eclipse.jetty.server.Connector;
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import org.eclipse.jetty.server.Handler;
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import org.eclipse.jetty.server.HttpConfiguration;
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import org.eclipse.jetty.server.HttpConnectionFactory;
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import org.eclipse.jetty.server.SecureRequestCustomizer;
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import org.eclipse.jetty.server.Server;
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import org.eclipse.jetty.server.ServerConnector;
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import org.eclipse.jetty.server.SslConnectionFactory;
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import org.eclipse.jetty.server.handler.ContextHandler;
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import org.eclipse.jetty.server.handler.ContextHandlerCollection;
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import org.eclipse.jetty.server.handler.DefaultHandler;
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import org.eclipse.jetty.server.handler.HandlerList;
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import org.eclipse.jetty.server.handler.IPAccessHandler;
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import org.eclipse.jetty.servlet.ServletHolder;
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import org.eclipse.jetty.util.resource.Resource;
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import org.eclipse.jetty.util.ssl.SslContextFactory;
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import org.eclipse.jetty.webapp.WebAppContext;
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/**
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* class to embedded Jetty 9 http server into YaCy
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*/
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public class Jetty9HttpServerImpl implements YaCyHttpServer {
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private final Server server;
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/**
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* @param port TCP Port to listen for http requests
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*/
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public Jetty9HttpServerImpl(int port) {
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Switchboard sb = Switchboard.getSwitchboard();
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server = new Server();
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ServerConnector connector = new ServerConnector(server);
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connector.setPort(port);
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connector.setName("httpd:"+Integer.toString(port));
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connector.setIdleTimeout(9000); // timout in ms when no bytes send / received
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server.addConnector(connector);
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// add ssl/https connector
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boolean useSSL = sb.getConfigBool("server.https", false);
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if (useSSL) {
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final SslContextFactory sslContextFactory = new SslContextFactory();
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final SSLContext sslContext = initSslContext(sb);
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if (sslContext != null) {
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int sslport = sb.getConfigInt("port.ssl", 8443);
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sslContextFactory.setSslContext(sslContext);
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// SSL HTTP Configuration
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HttpConfiguration https_config = new HttpConfiguration();
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https_config.addCustomizer(new SecureRequestCustomizer());
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// SSL Connector
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ServerConnector sslConnector = new ServerConnector(server,
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new SslConnectionFactory(sslContextFactory, HttpVersion.HTTP_1_1.asString()),
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new HttpConnectionFactory(https_config));
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sslConnector.setPort(sslport);
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sslConnector.setName("ssld:" + Integer.toString(sslport)); // name must start with ssl (for withSSL() to work correctly)
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sslConnector.setIdleTimeout(9000); // timout in ms when no bytes send / received
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server.addConnector(sslConnector);
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ConcurrentLog.info("SERVER", "SSL support initialized successfully on port " + sslport);
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}
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}
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YacyDomainHandler domainHandler = new YacyDomainHandler();
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domainHandler.setAlternativeResolver(sb.peers);
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// configure root context
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WebAppContext htrootContext = new WebAppContext();
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htrootContext.setContextPath("/");
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String htrootpath = sb.getConfig(SwitchboardConstants.HTROOT_PATH, SwitchboardConstants.HTROOT_PATH_DEFAULT);
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htrootContext.setErrorHandler(new YaCyErrorHandler()); // handler for custom error page
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try {
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htrootContext.setBaseResource(Resource.newResource(htrootpath));
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// set web.xml to use
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// make use of Jetty feature to define web.xml other as default WEB-INF/web.xml
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// and to use a DefaultsDescriptor merged with a individual web.xml
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// use defaults/web.xml as default and look in DATA/SETTINGS for local addition/changes
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htrootContext.setDefaultsDescriptor(sb.appPath + "/defaults/web.xml");
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Resource webxml = Resource.newResource(sb.dataPath + "/DATA/SETTINGS/web.xml");
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if (webxml.exists()) {
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htrootContext.setDescriptor(webxml.getName());
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}
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} catch (IOException ex) {
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if (htrootContext.getBaseResource() == null) {
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ConcurrentLog.severe("SERVER", "could not find directory: htroot ");
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} else {
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ConcurrentLog.warn("SERVER", "could not find: defaults/web.xml or DATA/SETTINGS/web.xml");
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}
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}
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// as fundamental component leave this hardcoded, other servlets may be defined in web.xml only
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ServletHolder sholder = new ServletHolder(YaCyDefaultServlet.class);
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sholder.setInitParameter("resourceBase", htrootpath);
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sholder.setAsyncSupported(true); // needed for YaCyQoSFilter
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//sholder.setInitParameter("welcomeFile", "index.html"); // default is index.html, welcome.html
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htrootContext.addServlet(sholder, "/*");
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// -----------------------------------------------------------------------------
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// here we set and map the mandatory servlets, needed for typical YaCy operation
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// to make sure they are available even if removed in individual web.xml
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// additional, optional or individual servlets or servlet mappings can be set in web.xml
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// in Jetty 9 servlet should be set only once
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// therefore only the settings in web.xml is used
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//add SolrSelectServlet
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//htrootContext.addServlet(SolrSelectServlet.class, "/solr/select"); // uses the default core, collection1
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//htrootContext.addServlet(SolrSelectServlet.class, "/solr/collection1/select"); // the same servlet, identifies the collection1 core using the path
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//htrootContext.addServlet(SolrSelectServlet.class, "/solr/webgraph/select"); // the same servlet, identifies the webgraph core using the path
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//htrootContext.addServlet(SolrServlet.class, "/solr/collection1/admin/luke");
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//htrootContext.addServlet(SolrServlet.class, "/solr/webgraph/admin/luke");
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// add proxy?url= servlet
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//htrootContext.addServlet(YaCyProxyServlet.class,"/proxy.html");
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// add GSA servlet
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//htrootContext.addServlet(GSAsearchServlet.class,"/gsa/search");
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// --- eof default servlet mappings --------------------------------------------
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// define list of YaCy specific general handlers
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HandlerList handlers = new HandlerList();
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handlers.setHandlers(new Handler[]
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{new MonitorHandler(), domainHandler, new ProxyCacheHandler(), new ProxyHandler()});
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// context handler for dispatcher and security (hint: dispatcher requires a context)
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ContextHandler context = new ContextHandler();
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context.setServer(server);
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context.setContextPath("/");
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context.setHandler(handlers);
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// make YaCy handlers (in context) and servlet context handlers available (both contain root context "/")
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// logic: 1. YaCy handlers are called if request not handled (e.g. proxy) then servlets handle it
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ContextHandlerCollection allrequesthandlers = new ContextHandlerCollection();
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allrequesthandlers.setServer(server);
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allrequesthandlers.addHandler(context);
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allrequesthandlers.addHandler(htrootContext);
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allrequesthandlers.addHandler(new DefaultHandler()); // if not handled by other handler
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YaCyLoginService loginService = new YaCyLoginService();
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// this is very important (as it is part of the user password hash)
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// changes will ivalidate all current existing user-password-hashes (from userDB)
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loginService.setName(sb.getConfig(SwitchboardConstants.ADMIN_REALM,"YaCy"));
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Jetty9YaCySecurityHandler securityHandler = new Jetty9YaCySecurityHandler();
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securityHandler.setLoginService(loginService);
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htrootContext.setSecurityHandler(securityHandler);
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// wrap all handlers
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Handler crashHandler = new CrashProtectionHandler(server, allrequesthandlers);
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// check server access restriction and add IPAccessHandler if restrictions are needed
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// otherwise don't (to save performance)
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String white = sb.getConfig("serverClient", "*");
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if (!white.equals("*")) { // full ip (allowed ranges 0-255 or prefix 10.0-255,0,0-100 or 127.)
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final StringTokenizer st = new StringTokenizer(white, ",");
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IPAccessHandler iphandler = new IPAccessHandler();
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int i=0;
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while (st.hasMoreTokens()) {
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String ip = st.nextToken();
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iphandler.addWhite(ip);
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i++;
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}
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if (i > 0) {
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iphandler.addWhite("127.0.0.1"); // allow localhost (loopback addr)
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iphandler.setServer(server);
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iphandler.setHandler(crashHandler);
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server.setHandler(iphandler);
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ConcurrentLog.info("SERVER","activated IP access restriction to: [127.0.0.1," + white +"] (this works only correct with start parameter -Djava.net.preferIPv4Stack=true)");
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} else {
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server.setHandler(crashHandler); // iphandler not needed
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}
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} else {
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server.setHandler(crashHandler); // iphandler not needed
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}
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}
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/**
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* start http server
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*/
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@Override
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public void startupServer() throws Exception {
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// option to finish running requests on shutdown
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// server.setGracefulShutdown(3000);
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server.setStopAtShutdown(true);
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server.start();
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}
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/**
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* stop http server and wait for it
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*/
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@Override
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public void stop() throws Exception {
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server.stop();
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server.join();
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}
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/**
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* @return true if ssl/https connector is available
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*/
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@Override
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public boolean withSSL() {
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Connector[] clist = server.getConnectors();
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for (Connector c:clist) {
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if (c.getName().startsWith("ssl")) return true;
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}
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return false;
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}
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/**
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* The port of actual running ssl connector
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* @return the ssl/https port or -1 if not active
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*/
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@Override
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public int getSslPort() {
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Connector[] clist = server.getConnectors();
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for (Connector c:clist) {
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if (c.getName().startsWith("ssl")) {
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int port =((ServerConnector)c).getLocalPort();
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return port;
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}
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}
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return -1;
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}
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/**
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* reconnect with new port settings (after waiting milsec) - routine returns
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* immediately
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* checks http and ssl connector for new port settings
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* @param milsec wait time
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*/
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@Override
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public void reconnect(final int milsec) {
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new Thread() {
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@Override
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public void run() {
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this.setName("Jetty8HttpServer.reconnect");
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try {
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Thread.sleep(milsec);
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} catch (final InterruptedException e) {
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ConcurrentLog.logException(e);
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} catch (final Exception e) {
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ConcurrentLog.logException(e);
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}
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try { // reconnect with new settings (instead to stop/start server, just manipulate connectors
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final Connector[] cons = server.getConnectors();
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final int port = Switchboard.getSwitchboard().getLocalPort();
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final int sslport = Switchboard.getSwitchboard().getConfigInt("port.ssl", 8443);
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for (Connector con : cons) {
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// check http connector
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if (con.getName().startsWith("httpd") && ((ServerConnector)con).getPort() != port) {
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((ServerConnector)con).close();
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con.stop();
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if (!con.isStopped()) {
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ConcurrentLog.warn("SERVER", "Reconnect: Jetty Connector failed to stop");
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}
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((ServerConnector)con).setPort(port);
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con.start();
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ConcurrentLog.info("SERVER", "set new port for Jetty connector " + con.getName());
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continue;
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}
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// check https connector
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if (con.getName().startsWith("ssl") && ((ServerConnector)con).getPort() != sslport) {
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((ServerConnector)con).close();
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con.stop();
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if (!con.isStopped()) {
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ConcurrentLog.warn("SERVER", "Reconnect: Jetty Connector failed to stop");
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}
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((ServerConnector)con).setPort(sslport);
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con.start();
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ConcurrentLog.info("SERVER", "set new port for Jetty connector " + con.getName());
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}
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}
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} catch (Exception ex) {
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ConcurrentLog.logException(ex);
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}
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}
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}.start();
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}
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/**
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* forces loginservice to reload user credentials
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* (used after setting new pwd in cfg file/db)
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* @param username
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*/
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public void resetUser(String username) {
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Jetty9YaCySecurityHandler hx = this.server.getChildHandlerByClass(Jetty9YaCySecurityHandler.class);
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if (hx != null) {
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YaCyLoginService loginservice = (YaCyLoginService) hx.getLoginService();
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loginservice.loadUser(username);
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}
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}
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/**
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* removes user from knowuser cache of loginservice
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* @param username
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*/
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public void removeUser(String username) {
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Jetty9YaCySecurityHandler hx = this.server.getChildHandlerByClass(Jetty9YaCySecurityHandler.class);
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if (hx != null) {
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YaCyLoginService loginservice = (YaCyLoginService) hx.getLoginService();
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loginservice.removeUser(username);
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}
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}
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/**
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* get Jetty version
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* @return version_string
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*/
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@Override
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public String getVersion() {
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return "Jetty " + Server.getVersion();
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}
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/**
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* Init SSL Context from config settings
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* @param sb Switchboard
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* @return default or sslcontext according to config
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*/
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private SSLContext initSslContext(Switchboard sb) {
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// getting the keystore file name
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String keyStoreFileName = sb.getConfig("keyStore", "").trim();
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// getting the keystore pwd
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String keyStorePwd = sb.getConfig("keyStorePassword", "").trim();
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// take a look if we have something to import
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final String pkcs12ImportFile = sb.getConfig("pkcs12ImportFile", "").trim();
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// if no keyStore and no import is defined, then set the default key
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if (keyStoreFileName.isEmpty() && keyStorePwd.isEmpty() && pkcs12ImportFile.isEmpty()) {
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keyStoreFileName = "defaults/freeworldKeystore";
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keyStorePwd = "freeworld";
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sb.setConfig("keyStore", keyStoreFileName);
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sb.setConfig("keyStorePassword", keyStorePwd);
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}
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if (pkcs12ImportFile.length() > 0) {
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ConcurrentLog.info("SERVER", "Import certificates from import file '" + pkcs12ImportFile + "'.");
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try {
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// getting the password
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final String pkcs12ImportPwd = sb.getConfig("pkcs12ImportPwd", "").trim();
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// creating tool to import cert
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final PKCS12Tool pkcsTool = new PKCS12Tool(pkcs12ImportFile,pkcs12ImportPwd);
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// creating a new keystore file
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if (keyStoreFileName.isEmpty()) {
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// using the default keystore name
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keyStoreFileName = "DATA/SETTINGS/myPeerKeystore";
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// creating an empty java keystore
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final KeyStore ks = KeyStore.getInstance("JKS");
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ks.load(null,keyStorePwd.toCharArray());
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final FileOutputStream ksOut = new FileOutputStream(keyStoreFileName);
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ks.store(ksOut, keyStorePwd.toCharArray());
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ksOut.close();
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// storing path to keystore into config file
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sb.setConfig("keyStore", keyStoreFileName);
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}
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// importing certificate
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pkcsTool.importToJKS(keyStoreFileName, keyStorePwd);
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// removing entries from config file
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sb.setConfig("pkcs12ImportFile", "");
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sb.setConfig("keyStorePassword", "");
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// deleting original import file
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// TODO: should we do this
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} catch (final Exception e) {
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ConcurrentLog.severe("SERVER", "Unable to import certificate from import file '" + pkcs12ImportFile + "'.",e);
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}
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} else if (keyStoreFileName.isEmpty()) return null;
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// get the ssl context
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try {
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ConcurrentLog.info("SERVER","Initializing SSL support ...");
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// creating a new keystore instance of type (java key store)
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if (ConcurrentLog.isFine("SERVER")) ConcurrentLog.fine("SERVER", "Initializing keystore ...");
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final KeyStore ks = KeyStore.getInstance("JKS");
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// loading keystore data from file
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if (ConcurrentLog.isFine("SERVER")) ConcurrentLog.fine("SERVER","Loading keystore file " + keyStoreFileName);
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final FileInputStream stream = new FileInputStream(keyStoreFileName);
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ks.load(stream, keyStorePwd.toCharArray());
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stream.close();
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// creating a keystore factory
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if (ConcurrentLog.isFine("SERVER")) ConcurrentLog.fine("SERVER","Initializing key manager factory ...");
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final KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
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kmf.init(ks,keyStorePwd.toCharArray());
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// initializing the ssl context
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if (ConcurrentLog.isFine("SERVER")) ConcurrentLog.fine("SERVER","Initializing SSL context ...");
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final SSLContext sslcontext = SSLContext.getInstance("TLS");
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sslcontext.init(kmf.getKeyManagers(), null, null);
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return sslcontext;
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} catch (final Exception e) {
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final String errorMsg = "FATAL ERROR: Unable to initialize the SSL Socket factory. " + e.getMessage();
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ConcurrentLog.severe("SERVER",errorMsg);
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System.out.println(errorMsg);
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return null;
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}
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}
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}
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