Support serving repositories over the SSH transport

Gitblit would greatly benefit from an integrated SSH server.  This would
complete the transport trifecta.

Change-Id: I6fb95abe65655fa74d47ea71522d8d9a1541450c

1 files changed, 706 insertions, 702 deletions

diff --git a/src/main/java/com/gitblit/GitBlitServer.java b/src/main/java/com/gitblit/GitBlitServer.java
index 64d3cadd..c37bc3a1 100644
--- a/src/main/java/com/gitblit/GitBlitServer.java
+++ b/src/main/java/com/gitblit/GitBlitServer.java
@@ -1,703 +1,707 @@
-/*

- * Copyright 2011 gitblit.com.

- *

- * 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 com.gitblit;

-

-import java.io.BufferedReader;

-import java.io.BufferedWriter;

-import java.io.File;

-import java.io.FileWriter;

-import java.io.IOException;

-import java.io.InputStream;

-import java.io.InputStreamReader;

-import java.io.OutputStream;

-import java.net.InetAddress;

-import java.net.ServerSocket;

-import java.net.Socket;

-import java.net.URI;

-import java.net.URL;

-import java.net.UnknownHostException;

-import java.security.ProtectionDomain;

-import java.text.MessageFormat;

-import java.util.ArrayList;

-import java.util.Date;

-import java.util.List;

-import java.util.Properties;

-import java.util.Scanner;

-

-import org.apache.log4j.PropertyConfigurator;

-import org.eclipse.jetty.ajp.Ajp13SocketConnector;

-import org.eclipse.jetty.security.ConstraintMapping;

-import org.eclipse.jetty.security.ConstraintSecurityHandler;

-import org.eclipse.jetty.server.Connector;

-import org.eclipse.jetty.server.Server;

-import org.eclipse.jetty.server.bio.SocketConnector;

-import org.eclipse.jetty.server.nio.SelectChannelConnector;

-import org.eclipse.jetty.server.session.HashSessionManager;

-import org.eclipse.jetty.server.ssl.SslConnector;

-import org.eclipse.jetty.server.ssl.SslSelectChannelConnector;

-import org.eclipse.jetty.server.ssl.SslSocketConnector;

-import org.eclipse.jetty.util.security.Constraint;

-import org.eclipse.jetty.util.thread.QueuedThreadPool;

-import org.eclipse.jetty.webapp.WebAppContext;

-import org.eclipse.jgit.storage.file.FileBasedConfig;

-import org.eclipse.jgit.util.FS;

-import org.eclipse.jgit.util.FileUtils;

-import org.kohsuke.args4j.CmdLineException;

-import org.kohsuke.args4j.CmdLineParser;

-import org.kohsuke.args4j.Option;

-import org.slf4j.Logger;

-import org.slf4j.LoggerFactory;

-

-import com.gitblit.authority.GitblitAuthority;

-import com.gitblit.authority.NewCertificateConfig;

-import com.gitblit.servlet.GitblitContext;

-import com.gitblit.utils.StringUtils;

-import com.gitblit.utils.TimeUtils;

-import com.gitblit.utils.X509Utils;

-import com.gitblit.utils.X509Utils.X509Log;

-import com.gitblit.utils.X509Utils.X509Metadata;

-import com.unboundid.ldap.listener.InMemoryDirectoryServer;

-import com.unboundid.ldap.listener.InMemoryDirectoryServerConfig;

-import com.unboundid.ldap.listener.InMemoryListenerConfig;

-import com.unboundid.ldif.LDIFReader;

-

-/**

- * GitBlitServer is the embedded Jetty server for Gitblit GO. This class starts

- * and stops an instance of Jetty that is configured from a combination of the

- * gitblit.properties file and command line parameters. JCommander is used to

- * simplify command line parameter processing. This class also automatically

- * generates a self-signed certificate for localhost, if the keystore does not

- * already exist.

- *

- * @author James Moger

- *

- */

-public class GitBlitServer {

-

-	private static Logger logger;

-

-	public static void main(String... args) {

-		GitBlitServer server = new GitBlitServer();

-

-		// filter out the baseFolder parameter

-		List<String> filtered = new ArrayList<String>();

-		String folder = "data";

-		for (int i = 0; i < args.length; i++) {

-			String arg = args[i];

-			if (arg.equals("--baseFolder")) {

-				if (i + 1 == args.length) {

-					System.out.println("Invalid --baseFolder parameter!");

-					System.exit(-1);

-				} else if (!".".equals(args[i + 1])) {

-					folder = args[i + 1];

-				}

-				i = i + 1;

-			} else {

-				filtered.add(arg);

-			}

-		}

-

-		Params.baseFolder = folder;

-		Params params = new Params();

-		CmdLineParser parser = new CmdLineParser(params);

-		try {

-			parser.parseArgument(filtered);

-			if (params.help) {

-				server.usage(parser, null);

-			}

-		} catch (CmdLineException t) {

-			server.usage(parser, t);

-		}

-

-		if (params.stop) {

-			server.stop(params);

-		} else {

-			server.start(params);

-		}

-	}

-

-	/**

-	 * Display the command line usage of Gitblit GO.

-	 *

-	 * @param parser

-	 * @param t

-	 */

-	protected final void usage(CmdLineParser parser, CmdLineException t) {

-		System.out.println(Constants.BORDER);

-		System.out.println(Constants.getGitBlitVersion());

-		System.out.println(Constants.BORDER);

-		System.out.println();

-		if (t != null) {

-			System.out.println(t.getMessage());

-			System.out.println();

-		}

-		if (parser != null) {

-			parser.printUsage(System.out);

-			System.out

-					.println("\nExample:\n  java -server -Xmx1024M -jar gitblit.jar --repositoriesFolder c:\\git --httpPort 80 --httpsPort 443");

-		}

-		System.exit(0);

-	}

-

-	/**

-	 * Stop Gitblt GO.

-	 */

-	public void stop(Params params) {

-		try {

-			Socket s = new Socket(InetAddress.getByName("127.0.0.1"), params.shutdownPort);

-			OutputStream out = s.getOutputStream();

-			System.out.println("Sending Shutdown Request to " + Constants.NAME);

-			out.write("\r\n".getBytes());

-			out.flush();

-			s.close();

-		} catch (UnknownHostException e) {

-			e.printStackTrace();

-		} catch (IOException e) {

-			e.printStackTrace();

-		}

-	}

-

-	/**

-	 * Start Gitblit GO.

-	 */

-	protected final void start(Params params) {

-		final File baseFolder = new File(Params.baseFolder).getAbsoluteFile();

-		FileSettings settings = params.FILESETTINGS;

-		if (!StringUtils.isEmpty(params.settingsfile)) {

-			if (new File(params.settingsfile).exists()) {

-				settings = new FileSettings(params.settingsfile);

-			}

-		}

-

-		if (params.dailyLogFile) {

-			// Configure log4j for daily log file generation

-			InputStream is = null;

-			try {

-				is = getClass().getResourceAsStream("/log4j.properties");

-				Properties loggingProperties = new Properties();

-				loggingProperties.load(is);

-

-				loggingProperties.put("log4j.appender.R.File", new File(baseFolder, "logs/gitblit.log").getAbsolutePath());

-				loggingProperties.put("log4j.rootCategory", "INFO, R");

-

-				if (settings.getBoolean(Keys.web.debugMode, false)) {

-					loggingProperties.put("log4j.logger.com.gitblit", "DEBUG");

-				}

-

-				PropertyConfigurator.configure(loggingProperties);

-			} catch (Exception e) {

-				e.printStackTrace();

-			} finally {

-				try {

-					is.close();

-				} catch (IOException e) {

-					e.printStackTrace();

-				}

-			}

-		}

-

-		logger = LoggerFactory.getLogger(GitBlitServer.class);

-		logger.info(Constants.BORDER);

-		logger.info("            _____  _  _    _      _  _  _");

-		logger.info("           |  __ \\(_)| |  | |    | |(_)| |");

-		logger.info("           | |  \\/ _ | |_ | |__  | | _ | |_");

-		logger.info("           | | __ | || __|| '_ \\ | || || __|");

-		logger.info("           | |_\\ \\| || |_ | |_) || || || |_");

-		logger.info("            \\____/|_| \\__||_.__/ |_||_| \\__|");

-		int spacing = (Constants.BORDER.length() - Constants.getGitBlitVersion().length()) / 2;

-		StringBuilder sb = new StringBuilder();

-		while (spacing > 0) {

-			spacing--;

-			sb.append(' ');

-		}

-		logger.info(sb.toString() + Constants.getGitBlitVersion());

-		logger.info("");

-		logger.info(Constants.BORDER);

-

-		System.setProperty("java.awt.headless", "true");

-

-		String osname = System.getProperty("os.name");

-		String osversion = System.getProperty("os.version");

-		logger.info("Running on " + osname + " (" + osversion + ")");

-

-		List<Connector> connectors = new ArrayList<Connector>();

-

-		// conditionally configure the http connector

-		if (params.port > 0) {

-			Connector httpConnector = createConnector(params.useNIO, params.port, settings.getInteger(Keys.server.threadPoolSize, 50));

-			String bindInterface = settings.getString(Keys.server.httpBindInterface, null);

-			if (!StringUtils.isEmpty(bindInterface)) {

-				logger.warn(MessageFormat.format("Binding connector on port {0,number,0} to {1}",

-						params.port, bindInterface));

-				httpConnector.setHost(bindInterface);

-			}

-			if (params.port < 1024 && !isWindows()) {

-				logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");

-			}

-			if (params.port > 0 && params.securePort > 0 && settings.getBoolean(Keys.server.redirectToHttpsPort, true)) {

-				// redirect HTTP requests to HTTPS

-				if (httpConnector instanceof SelectChannelConnector) {

-					((SelectChannelConnector) httpConnector).setConfidentialPort(params.securePort);

-				} else {

-					((SocketConnector) httpConnector).setConfidentialPort(params.securePort);

-				}

-			}

-			connectors.add(httpConnector);

-		}

-

-		// conditionally configure the https connector

-		if (params.securePort > 0) {

-			File certificatesConf = new File(baseFolder, X509Utils.CA_CONFIG);

-			File serverKeyStore = new File(baseFolder, X509Utils.SERVER_KEY_STORE);

-			File serverTrustStore = new File(baseFolder, X509Utils.SERVER_TRUST_STORE);

-			File caRevocationList = new File(baseFolder, X509Utils.CA_REVOCATION_LIST);

-

-			// generate CA & web certificates, create certificate stores

-			X509Metadata metadata = new X509Metadata("localhost", params.storePassword);

-			// set default certificate values from config file

-			if (certificatesConf.exists()) {

-				FileBasedConfig config = new FileBasedConfig(certificatesConf, FS.detect());

-				try {

-					config.load();

-				} catch (Exception e) {

-					logger.error("Error parsing " + certificatesConf, e);

-				}

-				NewCertificateConfig certificateConfig = NewCertificateConfig.KEY.parse(config);

-				certificateConfig.update(metadata);

-			}

-

-			metadata.notAfter = new Date(System.currentTimeMillis() + 10*TimeUtils.ONEYEAR);

-			X509Utils.prepareX509Infrastructure(metadata, baseFolder, new X509Log() {

-				@Override

-				public void log(String message) {

-					BufferedWriter writer = null;

-					try {

-						writer = new BufferedWriter(new FileWriter(new File(baseFolder, X509Utils.CERTS + File.separator + "log.txt"), true));

-						writer.write(MessageFormat.format("{0,date,yyyy-MM-dd HH:mm}: {1}", new Date(), message));

-						writer.newLine();

-						writer.flush();

-					} catch (Exception e) {

-						LoggerFactory.getLogger(GitblitAuthority.class).error("Failed to append log entry!", e);

-					} finally {

-						if (writer != null) {

-							try {

-								writer.close();

-							} catch (IOException e) {

-							}

-						}

-					}

-				}

-			});

-

-			if (serverKeyStore.exists()) {

-				Connector secureConnector = createSSLConnector(params.alias, serverKeyStore, serverTrustStore, params.storePassword,

-						caRevocationList, params.useNIO, params.securePort, settings.getInteger(Keys.server.threadPoolSize, 50), params.requireClientCertificates);

-				String bindInterface = settings.getString(Keys.server.httpsBindInterface, null);

-				if (!StringUtils.isEmpty(bindInterface)) {

-					logger.warn(MessageFormat.format(

-							"Binding ssl connector on port {0,number,0} to {1}", params.securePort,

-							bindInterface));

-					secureConnector.setHost(bindInterface);

-				}

-				if (params.securePort < 1024 && !isWindows()) {

-					logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");

-				}

-				connectors.add(secureConnector);

-			} else {

-				logger.warn("Failed to find or load Keystore?");

-				logger.warn("SSL connector DISABLED.");

-			}

-		}

-

-		// conditionally configure the ajp connector

-		if (params.ajpPort > 0) {

-			Connector ajpConnector = createAJPConnector(params.ajpPort);

-			String bindInterface = settings.getString(Keys.server.ajpBindInterface, null);

-			if (!StringUtils.isEmpty(bindInterface)) {

-				logger.warn(MessageFormat.format("Binding connector on port {0,number,0} to {1}",

-						params.ajpPort, bindInterface));

-				ajpConnector.setHost(bindInterface);

-			}

-			if (params.ajpPort < 1024 && !isWindows()) {

-				logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");

-			}

-			connectors.add(ajpConnector);

-		}

-

-		// tempDir is where the embedded Gitblit web application is expanded and

-		// where Jetty creates any necessary temporary files

-		File tempDir = com.gitblit.utils.FileUtils.resolveParameter(Constants.baseFolder$, baseFolder, params.temp);

-		if (tempDir.exists()) {

-			try {

-				FileUtils.delete(tempDir, FileUtils.RECURSIVE | FileUtils.RETRY);

-			} catch (IOException x) {

-				logger.warn("Failed to delete temp dir " + tempDir.getAbsolutePath(), x);

-			}

-		}

-		if (!tempDir.mkdirs()) {

-			logger.warn("Failed to create temp dir " + tempDir.getAbsolutePath());

-		}

-

-		Server server = new Server();

-		server.setStopAtShutdown(true);

-		server.setConnectors(connectors.toArray(new Connector[connectors.size()]));

-

-		// Get the execution path of this class

-		// We use this to set the WAR path.

-		ProtectionDomain protectionDomain = GitBlitServer.class.getProtectionDomain();

-		URL location = protectionDomain.getCodeSource().getLocation();

-

-		// Root WebApp Context

-		WebAppContext rootContext = new WebAppContext();

-		rootContext.setContextPath(settings.getString(Keys.server.contextPath, "/"));

-		rootContext.setServer(server);

-		rootContext.setWar(location.toExternalForm());

-		rootContext.setTempDirectory(tempDir);

-

-		// Set cookies HttpOnly so they are not accessible to JavaScript engines

-		HashSessionManager sessionManager = new HashSessionManager();

-		sessionManager.setHttpOnly(true);

-		// Use secure cookies if only serving https

-		sessionManager.setSecureRequestOnly(params.port <= 0 && params.securePort > 0);

-		rootContext.getSessionHandler().setSessionManager(sessionManager);

-

-		// Ensure there is a defined User Service

-		String realmUsers = params.userService;

-		if (StringUtils.isEmpty(realmUsers)) {

-			logger.error(MessageFormat.format("PLEASE SPECIFY {0}!!", Keys.realm.userService));

-			return;

-		}

-

-		// Override settings from the command-line

-		settings.overrideSetting(Keys.realm.userService, params.userService);

-		settings.overrideSetting(Keys.git.repositoriesFolder, params.repositoriesFolder);

-		settings.overrideSetting(Keys.git.daemonPort, params.gitPort);

-

-		// Start up an in-memory LDAP server, if configured

-		try {

-			if (!StringUtils.isEmpty(params.ldapLdifFile)) {

-				File ldifFile = new File(params.ldapLdifFile);

-				if (ldifFile != null && ldifFile.exists()) {

-					URI ldapUrl = new URI(settings.getRequiredString(Keys.realm.ldap.server));

-					String firstLine = new Scanner(ldifFile).nextLine();

-					String rootDN = firstLine.substring(4);

-					String bindUserName = settings.getString(Keys.realm.ldap.username, "");

-					String bindPassword = settings.getString(Keys.realm.ldap.password, "");

-

-					// Get the port

-					int port = ldapUrl.getPort();

-					if (port == -1)

-						port = 389;

-

-					InMemoryDirectoryServerConfig config = new InMemoryDirectoryServerConfig(rootDN);

-					config.addAdditionalBindCredentials(bindUserName, bindPassword);

-					config.setListenerConfigs(InMemoryListenerConfig.createLDAPConfig("default", port));

-					config.setSchema(null);

-

-					InMemoryDirectoryServer ds = new InMemoryDirectoryServer(config);

-					ds.importFromLDIF(true, new LDIFReader(ldifFile));

-					ds.startListening();

-

-					logger.info("LDAP Server started at ldap://localhost:" + port);

-				}

-			}

-		} catch (Exception e) {

-			// Completely optional, just show a warning

-			logger.warn("Unable to start LDAP server", e);

-		}

-

-		// Set the server's contexts

-		server.setHandler(rootContext);

-

-		// redirect HTTP requests to HTTPS

-		if (params.port > 0 && params.securePort > 0 && settings.getBoolean(Keys.server.redirectToHttpsPort, true)) {

-			logger.info(String.format("Configuring automatic http(%1$s) -> https(%2$s) redirects", params.port, params.securePort));

-			// Create the internal mechanisms to handle secure connections and redirects

-			Constraint constraint = new Constraint();

-			constraint.setDataConstraint(Constraint.DC_CONFIDENTIAL);

-

-			ConstraintMapping cm = new ConstraintMapping();

-			cm.setConstraint(constraint);

-			cm.setPathSpec("/*");

-

-			ConstraintSecurityHandler sh = new ConstraintSecurityHandler();

-			sh.setConstraintMappings(new ConstraintMapping[] { cm });

-

-			// Configure this context to use the Security Handler defined before

-			rootContext.setHandler(sh);

-		}

-

-		// Setup the Gitblit context

-		GitblitContext gitblit = newGitblit(settings, baseFolder);

-		rootContext.addEventListener(gitblit);

-

-		try {

-			// start the shutdown monitor

-			if (params.shutdownPort > 0) {

-				Thread shutdownMonitor = new ShutdownMonitorThread(server, params);

-				shutdownMonitor.start();

-			}

-

-			// start Jetty

-			server.start();

-			server.join();

-		} catch (Exception e) {

-			e.printStackTrace();

-			System.exit(100);

-		}

-	}

-

-	protected GitblitContext newGitblit(IStoredSettings settings, File baseFolder) {

-		return new GitblitContext(settings, baseFolder);

-	}

-

-	/**

-	 * Creates an http connector.

-	 *

-	 * @param useNIO

-	 * @param port

-	 * @param threadPoolSize

-	 * @return an http connector

-	 */

-	private Connector createConnector(boolean useNIO, int port, int threadPoolSize) {

-		Connector connector;

-		if (useNIO) {

-			logger.info("Setting up NIO SelectChannelConnector on port " + port);

-			SelectChannelConnector nioconn = new SelectChannelConnector();

-			nioconn.setSoLingerTime(-1);

-			if (threadPoolSize > 0) {

-				nioconn.setThreadPool(new QueuedThreadPool(threadPoolSize));

-			}

-			connector = nioconn;

-		} else {

-			logger.info("Setting up SocketConnector on port " + port);

-			SocketConnector sockconn = new SocketConnector();

-			if (threadPoolSize > 0) {

-				sockconn.setThreadPool(new QueuedThreadPool(threadPoolSize));

-			}

-			connector = sockconn;

-		}

-

-		connector.setPort(port);

-		connector.setMaxIdleTime(30000);

-		return connector;

-	}

-

-	/**

-	 * Creates an https connector.

-	 *

-	 * SSL renegotiation will be enabled if the JVM is 1.6.0_22 or later.

-	 * oracle.com/technetwork/java/javase/documentation/tlsreadme2-176330.html

-	 *

-	 * @param certAlias

-	 * @param keyStore

-	 * @param clientTrustStore

-	 * @param storePassword

-	 * @param caRevocationList

-	 * @param useNIO

-	 * @param port

-	 * @param threadPoolSize

-	 * @param requireClientCertificates

-	 * @return an https connector

-	 */

-	private Connector createSSLConnector(String certAlias, File keyStore, File clientTrustStore,

-			String storePassword, File caRevocationList, boolean useNIO,  int port, int threadPoolSize,

-			boolean requireClientCertificates) {

-		GitblitSslContextFactory factory = new GitblitSslContextFactory(certAlias,

-				keyStore, clientTrustStore, storePassword, caRevocationList);

-		SslConnector connector;

-		if (useNIO) {

-			logger.info("Setting up NIO SslSelectChannelConnector on port " + port);

-			SslSelectChannelConnector ssl = new SslSelectChannelConnector(factory);

-			ssl.setSoLingerTime(-1);

-			if (requireClientCertificates) {

-				factory.setNeedClientAuth(true);

-			} else {

-				factory.setWantClientAuth(true);

-			}

-			if (threadPoolSize > 0) {

-				ssl.setThreadPool(new QueuedThreadPool(threadPoolSize));

-			}

-			connector = ssl;

-		} else {

-			logger.info("Setting up NIO SslSocketConnector on port " + port);

-			SslSocketConnector ssl = new SslSocketConnector(factory);

-			if (threadPoolSize > 0) {

-				ssl.setThreadPool(new QueuedThreadPool(threadPoolSize));

-			}

-			connector = ssl;

-		}

-		connector.setPort(port);

-		connector.setMaxIdleTime(30000);

-

-		return connector;

-	}

-

-	/**

-	 * Creates an ajp connector.

-	 *

-	 * @param port

-	 * @return an ajp connector

-	 */

-	private Connector createAJPConnector(int port) {

-		logger.info("Setting up AJP Connector on port " + port);

-		Ajp13SocketConnector ajp = new Ajp13SocketConnector();

-		ajp.setPort(port);

-		if (port < 1024 && !isWindows()) {

-			logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");

-		}

-		return ajp;

-	}

-

-	/**

-	 * Tests to see if the operating system is Windows.

-	 *

-	 * @return true if this is a windows machine

-	 */

-	private boolean isWindows() {

-		return System.getProperty("os.name").toLowerCase().indexOf("windows") > -1;

-	}

-

-	/**

-	 * The ShutdownMonitorThread opens a socket on a specified port and waits

-	 * for an incoming connection. When that connection is accepted a shutdown

-	 * message is issued to the running Jetty server.

-	 *

-	 * @author James Moger

-	 *

-	 */

-	private static class ShutdownMonitorThread extends Thread {

-

-		private final ServerSocket socket;

-

-		private final Server server;

-

-		private final Logger logger = LoggerFactory.getLogger(ShutdownMonitorThread.class);

-

-		public ShutdownMonitorThread(Server server, Params params) {

-			this.server = server;

-			setDaemon(true);

-			setName(Constants.NAME + " Shutdown Monitor");

-			ServerSocket skt = null;

-			try {

-				skt = new ServerSocket(params.shutdownPort, 1, InetAddress.getByName("127.0.0.1"));

-			} catch (Exception e) {

-				logger.warn("Could not open shutdown monitor on port " + params.shutdownPort, e);

-			}

-			socket = skt;

-		}

-

-		@Override

-		public void run() {

-			logger.info("Shutdown Monitor listening on port " + socket.getLocalPort());

-			Socket accept;

-			try {

-				accept = socket.accept();

-				BufferedReader reader = new BufferedReader(new InputStreamReader(

-						accept.getInputStream()));

-				reader.readLine();

-				logger.info(Constants.BORDER);

-				logger.info("Stopping " + Constants.NAME);

-				logger.info(Constants.BORDER);

-				server.stop();

-				server.setStopAtShutdown(false);

-				accept.close();

-				socket.close();

-			} catch (Exception e) {

-				logger.warn("Failed to shutdown Jetty", e);

-			}

-		}

-	}

-

-	/**

-	 * Parameters class for GitBlitServer.

-	 */

-	public static class Params {

-

-		public static String baseFolder;

-

-		private final FileSettings FILESETTINGS = new FileSettings(new File(baseFolder, Constants.PROPERTIES_FILE).getAbsolutePath());

-

-		/*

-		 * Server parameters

-		 */

-		@Option(name = "--help", aliases = { "-h"}, usage = "Show this help")

-		public Boolean help = false;

-

-		@Option(name = "--stop", usage = "Stop Server")

-		public Boolean stop = false;

-

-		@Option(name = "--tempFolder", usage = "Folder for server to extract built-in webapp", metaVar="PATH")

-		public String temp = FILESETTINGS.getString(Keys.server.tempFolder, "temp");

-

-		@Option(name = "--dailyLogFile", usage = "Log to a rolling daily log file INSTEAD of stdout.")

-		public Boolean dailyLogFile = false;

-

-		/*

-		 * GIT Servlet Parameters

-		 */

-		@Option(name = "--repositoriesFolder", usage = "Git Repositories Folder", metaVar="PATH")

-		public String repositoriesFolder = FILESETTINGS.getString(Keys.git.repositoriesFolder,

-				"git");

-

-		/*

-		 * Authentication Parameters

-		 */

-		@Option(name = "--userService", usage = "Authentication and Authorization Service (filename or fully qualified classname)")

-		public String userService = FILESETTINGS.getString(Keys.realm.userService,

-				"users.conf");

-

-		/*

-		 * JETTY Parameters

-		 */

-		@Option(name = "--useNio", usage = "Use NIO Connector else use Socket Connector.")

-		public Boolean useNIO = FILESETTINGS.getBoolean(Keys.server.useNio, true);

-

-		@Option(name = "--httpPort", usage = "HTTP port for to serve. (port <= 0 will disable this connector)", metaVar="PORT")

-		public Integer port = FILESETTINGS.getInteger(Keys.server.httpPort, 0);

-

-		@Option(name = "--httpsPort", usage = "HTTPS port to serve.  (port <= 0 will disable this connector)", metaVar="PORT")

-		public Integer securePort = FILESETTINGS.getInteger(Keys.server.httpsPort, 8443);

-

-		@Option(name = "--ajpPort", usage = "AJP port to serve.  (port <= 0 will disable this connector)", metaVar="PORT")

-		public Integer ajpPort = FILESETTINGS.getInteger(Keys.server.ajpPort, 0);

-

-		@Option(name = "--gitPort", usage = "Git Daemon port to serve.  (port <= 0 will disable this connector)", metaVar="PORT")

-		public Integer gitPort = FILESETTINGS.getInteger(Keys.git.daemonPort, 9418);

-

-		@Option(name = "--alias", usage = "Alias of SSL certificate in keystore for serving https.", metaVar="ALIAS")

-		public String alias = FILESETTINGS.getString(Keys.server.certificateAlias, "");

-

-		@Option(name = "--storePassword", usage = "Password for SSL (https) keystore.", metaVar="PASSWORD")

-		public String storePassword = FILESETTINGS.getString(Keys.server.storePassword, "");

-

-		@Option(name = "--shutdownPort", usage = "Port for Shutdown Monitor to listen on. (port <= 0 will disable this monitor)", metaVar="PORT")

-		public Integer shutdownPort = FILESETTINGS.getInteger(Keys.server.shutdownPort, 8081);

-

-		@Option(name = "--requireClientCertificates", usage = "Require client X509 certificates for https connections.")

-		public Boolean requireClientCertificates = FILESETTINGS.getBoolean(Keys.server.requireClientCertificates, false);

-

-		/*

-		 * Setting overrides

-		 */

-		@Option(name = "--settings", usage = "Path to alternative settings", metaVar="FILE")

-		public String settingsfile;

-

-		@Option(name = "--ldapLdifFile", usage = "Path to LDIF file.  This will cause an in-memory LDAP server to be started according to gitblit settings", metaVar="FILE")

-		public String ldapLdifFile;

-

-	}

+/*
+ * Copyright 2011 gitblit.com.
+ *
+ * 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 com.gitblit;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.URI;
+import java.net.URL;
+import java.net.UnknownHostException;
+import java.security.ProtectionDomain;
+import java.text.MessageFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Properties;
+import java.util.Scanner;
+
+import org.apache.log4j.PropertyConfigurator;
+import org.eclipse.jetty.ajp.Ajp13SocketConnector;
+import org.eclipse.jetty.security.ConstraintMapping;
+import org.eclipse.jetty.security.ConstraintSecurityHandler;
+import org.eclipse.jetty.server.Connector;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.bio.SocketConnector;
+import org.eclipse.jetty.server.nio.SelectChannelConnector;
+import org.eclipse.jetty.server.session.HashSessionManager;
+import org.eclipse.jetty.server.ssl.SslConnector;
+import org.eclipse.jetty.server.ssl.SslSelectChannelConnector;
+import org.eclipse.jetty.server.ssl.SslSocketConnector;
+import org.eclipse.jetty.util.security.Constraint;
+import org.eclipse.jetty.util.thread.QueuedThreadPool;
+import org.eclipse.jetty.webapp.WebAppContext;
+import org.eclipse.jgit.storage.file.FileBasedConfig;
+import org.eclipse.jgit.util.FS;
+import org.eclipse.jgit.util.FileUtils;
+import org.kohsuke.args4j.CmdLineException;
+import org.kohsuke.args4j.CmdLineParser;
+import org.kohsuke.args4j.Option;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.gitblit.authority.GitblitAuthority;
+import com.gitblit.authority.NewCertificateConfig;
+import com.gitblit.servlet.GitblitContext;
+import com.gitblit.utils.StringUtils;
+import com.gitblit.utils.TimeUtils;
+import com.gitblit.utils.X509Utils;
+import com.gitblit.utils.X509Utils.X509Log;
+import com.gitblit.utils.X509Utils.X509Metadata;
+import com.unboundid.ldap.listener.InMemoryDirectoryServer;
+import com.unboundid.ldap.listener.InMemoryDirectoryServerConfig;
+import com.unboundid.ldap.listener.InMemoryListenerConfig;
+import com.unboundid.ldif.LDIFReader;
+
+/**
+ * GitBlitServer is the embedded Jetty server for Gitblit GO. This class starts
+ * and stops an instance of Jetty that is configured from a combination of the
+ * gitblit.properties file and command line parameters. JCommander is used to
+ * simplify command line parameter processing. This class also automatically
+ * generates a self-signed certificate for localhost, if the keystore does not
+ * already exist.
+ *
+ * @author James Moger
+ *
+ */
+public class GitBlitServer {
+
+	private static Logger logger;
+
+	public static void main(String... args) {
+		GitBlitServer server = new GitBlitServer();
+
+		// filter out the baseFolder parameter
+		List<String> filtered = new ArrayList<String>();
+		String folder = "data";
+		for (int i = 0; i < args.length; i++) {
+			String arg = args[i];
+			if (arg.equals("--baseFolder")) {
+				if (i + 1 == args.length) {
+					System.out.println("Invalid --baseFolder parameter!");
+					System.exit(-1);
+				} else if (!".".equals(args[i + 1])) {
+					folder = args[i + 1];
+				}
+				i = i + 1;
+			} else {
+				filtered.add(arg);
+			}
+		}
+
+		Params.baseFolder = folder;
+		Params params = new Params();
+		CmdLineParser parser = new CmdLineParser(params);
+		try {
+			parser.parseArgument(filtered);
+			if (params.help) {
+				server.usage(parser, null);
+			}
+		} catch (CmdLineException t) {
+			server.usage(parser, t);
+		}
+
+		if (params.stop) {
+			server.stop(params);
+		} else {
+			server.start(params);
+		}
+	}
+
+	/**
+	 * Display the command line usage of Gitblit GO.
+	 *
+	 * @param parser
+	 * @param t
+	 */
+	protected final void usage(CmdLineParser parser, CmdLineException t) {
+		System.out.println(Constants.BORDER);
+		System.out.println(Constants.getGitBlitVersion());
+		System.out.println(Constants.BORDER);
+		System.out.println();
+		if (t != null) {
+			System.out.println(t.getMessage());
+			System.out.println();
+		}
+		if (parser != null) {
+			parser.printUsage(System.out);
+			System.out
+					.println("\nExample:\n  java -server -Xmx1024M -jar gitblit.jar --repositoriesFolder c:\\git --httpPort 80 --httpsPort 443");
+		}
+		System.exit(0);
+	}
+
+	/**
+	 * Stop Gitblt GO.
+	 */
+	public void stop(Params params) {
+		try {
+			Socket s = new Socket(InetAddress.getByName("127.0.0.1"), params.shutdownPort);
+			OutputStream out = s.getOutputStream();
+			System.out.println("Sending Shutdown Request to " + Constants.NAME);
+			out.write("\r\n".getBytes());
+			out.flush();
+			s.close();
+		} catch (UnknownHostException e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+	/**
+	 * Start Gitblit GO.
+	 */
+	protected final void start(Params params) {
+		final File baseFolder = new File(Params.baseFolder).getAbsoluteFile();
+		FileSettings settings = params.FILESETTINGS;
+		if (!StringUtils.isEmpty(params.settingsfile)) {
+			if (new File(params.settingsfile).exists()) {
+				settings = new FileSettings(params.settingsfile);
+			}
+		}
+
+		if (params.dailyLogFile) {
+			// Configure log4j for daily log file generation
+			InputStream is = null;
+			try {
+				is = getClass().getResourceAsStream("/log4j.properties");
+				Properties loggingProperties = new Properties();
+				loggingProperties.load(is);
+
+				loggingProperties.put("log4j.appender.R.File", new File(baseFolder, "logs/gitblit.log").getAbsolutePath());
+				loggingProperties.put("log4j.rootCategory", "INFO, R");
+
+				if (settings.getBoolean(Keys.web.debugMode, false)) {
+					loggingProperties.put("log4j.logger.com.gitblit", "DEBUG");
+				}
+
+				PropertyConfigurator.configure(loggingProperties);
+			} catch (Exception e) {
+				e.printStackTrace();
+			} finally {
+				try {
+					is.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+			}
+		}
+
+		logger = LoggerFactory.getLogger(GitBlitServer.class);
+		logger.info(Constants.BORDER);
+		logger.info("            _____  _  _    _      _  _  _");
+		logger.info("           |  __ \\(_)| |  | |    | |(_)| |");
+		logger.info("           | |  \\/ _ | |_ | |__  | | _ | |_");
+		logger.info("           | | __ | || __|| '_ \\ | || || __|");
+		logger.info("           | |_\\ \\| || |_ | |_) || || || |_");
+		logger.info("            \\____/|_| \\__||_.__/ |_||_| \\__|");
+		int spacing = (Constants.BORDER.length() - Constants.getGitBlitVersion().length()) / 2;
+		StringBuilder sb = new StringBuilder();
+		while (spacing > 0) {
+			spacing--;
+			sb.append(' ');
+		}
+		logger.info(sb.toString() + Constants.getGitBlitVersion());
+		logger.info("");
+		logger.info(Constants.BORDER);
+
+		System.setProperty("java.awt.headless", "true");
+
+		String osname = System.getProperty("os.name");
+		String osversion = System.getProperty("os.version");
+		logger.info("Running on " + osname + " (" + osversion + ")");
+
+		List<Connector> connectors = new ArrayList<Connector>();
+
+		// conditionally configure the http connector
+		if (params.port > 0) {
+			Connector httpConnector = createConnector(params.useNIO, params.port, settings.getInteger(Keys.server.threadPoolSize, 50));
+			String bindInterface = settings.getString(Keys.server.httpBindInterface, null);
+			if (!StringUtils.isEmpty(bindInterface)) {
+				logger.warn(MessageFormat.format("Binding connector on port {0,number,0} to {1}",
+						params.port, bindInterface));
+				httpConnector.setHost(bindInterface);
+			}
+			if (params.port < 1024 && !isWindows()) {
+				logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");
+			}
+			if (params.port > 0 && params.securePort > 0 && settings.getBoolean(Keys.server.redirectToHttpsPort, true)) {
+				// redirect HTTP requests to HTTPS
+				if (httpConnector instanceof SelectChannelConnector) {
+					((SelectChannelConnector) httpConnector).setConfidentialPort(params.securePort);
+				} else {
+					((SocketConnector) httpConnector).setConfidentialPort(params.securePort);
+				}
+			}
+			connectors.add(httpConnector);
+		}
+
+		// conditionally configure the https connector
+		if (params.securePort > 0) {
+			File certificatesConf = new File(baseFolder, X509Utils.CA_CONFIG);
+			File serverKeyStore = new File(baseFolder, X509Utils.SERVER_KEY_STORE);
+			File serverTrustStore = new File(baseFolder, X509Utils.SERVER_TRUST_STORE);
+			File caRevocationList = new File(baseFolder, X509Utils.CA_REVOCATION_LIST);
+
+			// generate CA & web certificates, create certificate stores
+			X509Metadata metadata = new X509Metadata("localhost", params.storePassword);
+			// set default certificate values from config file
+			if (certificatesConf.exists()) {
+				FileBasedConfig config = new FileBasedConfig(certificatesConf, FS.detect());
+				try {
+					config.load();
+				} catch (Exception e) {
+					logger.error("Error parsing " + certificatesConf, e);
+				}
+				NewCertificateConfig certificateConfig = NewCertificateConfig.KEY.parse(config);
+				certificateConfig.update(metadata);
+			}
+
+			metadata.notAfter = new Date(System.currentTimeMillis() + 10*TimeUtils.ONEYEAR);
+			X509Utils.prepareX509Infrastructure(metadata, baseFolder, new X509Log() {
+				@Override
+				public void log(String message) {
+					BufferedWriter writer = null;
+					try {
+						writer = new BufferedWriter(new FileWriter(new File(baseFolder, X509Utils.CERTS + File.separator + "log.txt"), true));
+						writer.write(MessageFormat.format("{0,date,yyyy-MM-dd HH:mm}: {1}", new Date(), message));
+						writer.newLine();
+						writer.flush();
+					} catch (Exception e) {
+						LoggerFactory.getLogger(GitblitAuthority.class).error("Failed to append log entry!", e);
+					} finally {
+						if (writer != null) {
+							try {
+								writer.close();
+							} catch (IOException e) {
+							}
+						}
+					}
+				}
+			});
+
+			if (serverKeyStore.exists()) {
+				Connector secureConnector = createSSLConnector(params.alias, serverKeyStore, serverTrustStore, params.storePassword,
+						caRevocationList, params.useNIO, params.securePort, settings.getInteger(Keys.server.threadPoolSize, 50), params.requireClientCertificates);
+				String bindInterface = settings.getString(Keys.server.httpsBindInterface, null);
+				if (!StringUtils.isEmpty(bindInterface)) {
+					logger.warn(MessageFormat.format(
+							"Binding ssl connector on port {0,number,0} to {1}", params.securePort,
+							bindInterface));
+					secureConnector.setHost(bindInterface);
+				}
+				if (params.securePort < 1024 && !isWindows()) {
+					logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");
+				}
+				connectors.add(secureConnector);
+			} else {
+				logger.warn("Failed to find or load Keystore?");
+				logger.warn("SSL connector DISABLED.");
+			}
+		}
+
+		// conditionally configure the ajp connector
+		if (params.ajpPort > 0) {
+			Connector ajpConnector = createAJPConnector(params.ajpPort);
+			String bindInterface = settings.getString(Keys.server.ajpBindInterface, null);
+			if (!StringUtils.isEmpty(bindInterface)) {
+				logger.warn(MessageFormat.format("Binding connector on port {0,number,0} to {1}",
+						params.ajpPort, bindInterface));
+				ajpConnector.setHost(bindInterface);
+			}
+			if (params.ajpPort < 1024 && !isWindows()) {
+				logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");
+			}
+			connectors.add(ajpConnector);
+		}
+
+		// tempDir is where the embedded Gitblit web application is expanded and
+		// where Jetty creates any necessary temporary files
+		File tempDir = com.gitblit.utils.FileUtils.resolveParameter(Constants.baseFolder$, baseFolder, params.temp);
+		if (tempDir.exists()) {
+			try {
+				FileUtils.delete(tempDir, FileUtils.RECURSIVE | FileUtils.RETRY);
+			} catch (IOException x) {
+				logger.warn("Failed to delete temp dir " + tempDir.getAbsolutePath(), x);
+			}
+		}
+		if (!tempDir.mkdirs()) {
+			logger.warn("Failed to create temp dir " + tempDir.getAbsolutePath());
+		}
+
+		Server server = new Server();
+		server.setStopAtShutdown(true);
+		server.setConnectors(connectors.toArray(new Connector[connectors.size()]));
+
+		// Get the execution path of this class
+		// We use this to set the WAR path.
+		ProtectionDomain protectionDomain = GitBlitServer.class.getProtectionDomain();
+		URL location = protectionDomain.getCodeSource().getLocation();
+
+		// Root WebApp Context
+		WebAppContext rootContext = new WebAppContext();
+		rootContext.setContextPath(settings.getString(Keys.server.contextPath, "/"));
+		rootContext.setServer(server);
+		rootContext.setWar(location.toExternalForm());
+		rootContext.setTempDirectory(tempDir);
+
+		// Set cookies HttpOnly so they are not accessible to JavaScript engines
+		HashSessionManager sessionManager = new HashSessionManager();
+		sessionManager.setHttpOnly(true);
+		// Use secure cookies if only serving https
+		sessionManager.setSecureRequestOnly(params.port <= 0 && params.securePort > 0);
+		rootContext.getSessionHandler().setSessionManager(sessionManager);
+
+		// Ensure there is a defined User Service
+		String realmUsers = params.userService;
+		if (StringUtils.isEmpty(realmUsers)) {
+			logger.error(MessageFormat.format("PLEASE SPECIFY {0}!!", Keys.realm.userService));
+			return;
+		}
+
+		// Override settings from the command-line
+		settings.overrideSetting(Keys.realm.userService, params.userService);
+		settings.overrideSetting(Keys.git.repositoriesFolder, params.repositoriesFolder);
+		settings.overrideSetting(Keys.git.daemonPort, params.gitPort);
+		settings.overrideSetting(Keys.git.sshPort, params.sshPort);
+
+		// Start up an in-memory LDAP server, if configured
+		try {
+			if (!StringUtils.isEmpty(params.ldapLdifFile)) {
+				File ldifFile = new File(params.ldapLdifFile);
+				if (ldifFile != null && ldifFile.exists()) {
+					URI ldapUrl = new URI(settings.getRequiredString(Keys.realm.ldap.server));
+					String firstLine = new Scanner(ldifFile).nextLine();
+					String rootDN = firstLine.substring(4);
+					String bindUserName = settings.getString(Keys.realm.ldap.username, "");
+					String bindPassword = settings.getString(Keys.realm.ldap.password, "");
+
+					// Get the port
+					int port = ldapUrl.getPort();
+					if (port == -1)
+						port = 389;
+
+					InMemoryDirectoryServerConfig config = new InMemoryDirectoryServerConfig(rootDN);
+					config.addAdditionalBindCredentials(bindUserName, bindPassword);
+					config.setListenerConfigs(InMemoryListenerConfig.createLDAPConfig("default", port));
+					config.setSchema(null);
+
+					InMemoryDirectoryServer ds = new InMemoryDirectoryServer(config);
+					ds.importFromLDIF(true, new LDIFReader(ldifFile));
+					ds.startListening();
+
+					logger.info("LDAP Server started at ldap://localhost:" + port);
+				}
+			}
+		} catch (Exception e) {
+			// Completely optional, just show a warning
+			logger.warn("Unable to start LDAP server", e);
+		}
+
+		// Set the server's contexts
+		server.setHandler(rootContext);
+
+		// redirect HTTP requests to HTTPS
+		if (params.port > 0 && params.securePort > 0 && settings.getBoolean(Keys.server.redirectToHttpsPort, true)) {
+			logger.info(String.format("Configuring automatic http(%1$s) -> https(%2$s) redirects", params.port, params.securePort));
+			// Create the internal mechanisms to handle secure connections and redirects
+			Constraint constraint = new Constraint();
+			constraint.setDataConstraint(Constraint.DC_CONFIDENTIAL);
+
+			ConstraintMapping cm = new ConstraintMapping();
+			cm.setConstraint(constraint);
+			cm.setPathSpec("/*");
+
+			ConstraintSecurityHandler sh = new ConstraintSecurityHandler();
+			sh.setConstraintMappings(new ConstraintMapping[] { cm });
+
+			// Configure this context to use the Security Handler defined before
+			rootContext.setHandler(sh);
+		}
+
+		// Setup the Gitblit context
+		GitblitContext gitblit = newGitblit(settings, baseFolder);
+		rootContext.addEventListener(gitblit);
+
+		try {
+			// start the shutdown monitor
+			if (params.shutdownPort > 0) {
+				Thread shutdownMonitor = new ShutdownMonitorThread(server, params);
+				shutdownMonitor.start();
+			}
+
+			// start Jetty
+			server.start();
+			server.join();
+		} catch (Exception e) {
+			e.printStackTrace();
+			System.exit(100);
+		}
+	}
+
+	protected GitblitContext newGitblit(IStoredSettings settings, File baseFolder) {
+		return new GitblitContext(settings, baseFolder);
+	}
+
+	/**
+	 * Creates an http connector.
+	 *
+	 * @param useNIO
+	 * @param port
+	 * @param threadPoolSize
+	 * @return an http connector
+	 */
+	private Connector createConnector(boolean useNIO, int port, int threadPoolSize) {
+		Connector connector;
+		if (useNIO) {
+			logger.info("Setting up NIO SelectChannelConnector on port " + port);
+			SelectChannelConnector nioconn = new SelectChannelConnector();
+			nioconn.setSoLingerTime(-1);
+			if (threadPoolSize > 0) {
+				nioconn.setThreadPool(new QueuedThreadPool(threadPoolSize));
+			}
+			connector = nioconn;
+		} else {
+			logger.info("Setting up SocketConnector on port " + port);
+			SocketConnector sockconn = new SocketConnector();
+			if (threadPoolSize > 0) {
+				sockconn.setThreadPool(new QueuedThreadPool(threadPoolSize));
+			}
+			connector = sockconn;
+		}
+
+		connector.setPort(port);
+		connector.setMaxIdleTime(30000);
+		return connector;
+	}
+
+	/**
+	 * Creates an https connector.
+	 *
+	 * SSL renegotiation will be enabled if the JVM is 1.6.0_22 or later.
+	 * oracle.com/technetwork/java/javase/documentation/tlsreadme2-176330.html
+	 *
+	 * @param certAlias
+	 * @param keyStore
+	 * @param clientTrustStore
+	 * @param storePassword
+	 * @param caRevocationList
+	 * @param useNIO
+	 * @param port
+	 * @param threadPoolSize
+	 * @param requireClientCertificates
+	 * @return an https connector
+	 */
+	private Connector createSSLConnector(String certAlias, File keyStore, File clientTrustStore,
+			String storePassword, File caRevocationList, boolean useNIO,  int port, int threadPoolSize,
+			boolean requireClientCertificates) {
+		GitblitSslContextFactory factory = new GitblitSslContextFactory(certAlias,
+				keyStore, clientTrustStore, storePassword, caRevocationList);
+		SslConnector connector;
+		if (useNIO) {
+			logger.info("Setting up NIO SslSelectChannelConnector on port " + port);
+			SslSelectChannelConnector ssl = new SslSelectChannelConnector(factory);
+			ssl.setSoLingerTime(-1);
+			if (requireClientCertificates) {
+				factory.setNeedClientAuth(true);
+			} else {
+				factory.setWantClientAuth(true);
+			}
+			if (threadPoolSize > 0) {
+				ssl.setThreadPool(new QueuedThreadPool(threadPoolSize));
+			}
+			connector = ssl;
+		} else {
+			logger.info("Setting up NIO SslSocketConnector on port " + port);
+			SslSocketConnector ssl = new SslSocketConnector(factory);
+			if (threadPoolSize > 0) {
+				ssl.setThreadPool(new QueuedThreadPool(threadPoolSize));
+			}
+			connector = ssl;
+		}
+		connector.setPort(port);
+		connector.setMaxIdleTime(30000);
+
+		return connector;
+	}
+
+	/**
+	 * Creates an ajp connector.
+	 *
+	 * @param port
+	 * @return an ajp connector
+	 */
+	private Connector createAJPConnector(int port) {
+		logger.info("Setting up AJP Connector on port " + port);
+		Ajp13SocketConnector ajp = new Ajp13SocketConnector();
+		ajp.setPort(port);
+		if (port < 1024 && !isWindows()) {
+			logger.warn("Gitblit needs to run with ROOT permissions for ports < 1024!");
+		}
+		return ajp;
+	}
+
+	/**
+	 * Tests to see if the operating system is Windows.
+	 *
+	 * @return true if this is a windows machine
+	 */
+	private boolean isWindows() {
+		return System.getProperty("os.name").toLowerCase().indexOf("windows") > -1;
+	}
+
+	/**
+	 * The ShutdownMonitorThread opens a socket on a specified port and waits
+	 * for an incoming connection. When that connection is accepted a shutdown
+	 * message is issued to the running Jetty server.
+	 *
+	 * @author James Moger
+	 *
+	 */
+	private static class ShutdownMonitorThread extends Thread {
+
+		private final ServerSocket socket;
+
+		private final Server server;
+
+		private final Logger logger = LoggerFactory.getLogger(ShutdownMonitorThread.class);
+
+		public ShutdownMonitorThread(Server server, Params params) {
+			this.server = server;
+			setDaemon(true);
+			setName(Constants.NAME + " Shutdown Monitor");
+			ServerSocket skt = null;
+			try {
+				skt = new ServerSocket(params.shutdownPort, 1, InetAddress.getByName("127.0.0.1"));
+			} catch (Exception e) {
+				logger.warn("Could not open shutdown monitor on port " + params.shutdownPort, e);
+			}
+			socket = skt;
+		}
+
+		@Override
+		public void run() {
+			logger.info("Shutdown Monitor listening on port " + socket.getLocalPort());
+			Socket accept;
+			try {
+				accept = socket.accept();
+				BufferedReader reader = new BufferedReader(new InputStreamReader(
+						accept.getInputStream()));
+				reader.readLine();
+				logger.info(Constants.BORDER);
+				logger.info("Stopping " + Constants.NAME);
+				logger.info(Constants.BORDER);
+				server.stop();
+				server.setStopAtShutdown(false);
+				accept.close();
+				socket.close();
+			} catch (Exception e) {
+				logger.warn("Failed to shutdown Jetty", e);
+			}
+		}
+	}
+
+	/**
+	 * Parameters class for GitBlitServer.
+	 */
+	public static class Params {
+
+		public static String baseFolder;
+
+		private final FileSettings FILESETTINGS = new FileSettings(new File(baseFolder, Constants.PROPERTIES_FILE).getAbsolutePath());
+
+		/*
+		 * Server parameters
+		 */
+		@Option(name = "--help", aliases = { "-h"}, usage = "Show this help")
+		public Boolean help = false;
+
+		@Option(name = "--stop", usage = "Stop Server")
+		public Boolean stop = false;
+
+		@Option(name = "--tempFolder", usage = "Folder for server to extract built-in webapp", metaVar="PATH")
+		public String temp = FILESETTINGS.getString(Keys.server.tempFolder, "temp");
+
+		@Option(name = "--dailyLogFile", usage = "Log to a rolling daily log file INSTEAD of stdout.")
+		public Boolean dailyLogFile = false;
+
+		/*
+		 * GIT Servlet Parameters
+		 */
+		@Option(name = "--repositoriesFolder", usage = "Git Repositories Folder", metaVar="PATH")
+		public String repositoriesFolder = FILESETTINGS.getString(Keys.git.repositoriesFolder,
+				"git");
+
+		/*
+		 * Authentication Parameters
+		 */
+		@Option(name = "--userService", usage = "Authentication and Authorization Service (filename or fully qualified classname)")
+		public String userService = FILESETTINGS.getString(Keys.realm.userService,
+				"users.conf");
+
+		/*
+		 * JETTY Parameters
+		 */
+		@Option(name = "--useNio", usage = "Use NIO Connector else use Socket Connector.")
+		public Boolean useNIO = FILESETTINGS.getBoolean(Keys.server.useNio, true);
+
+		@Option(name = "--httpPort", usage = "HTTP port for to serve. (port <= 0 will disable this connector)", metaVar="PORT")
+		public Integer port = FILESETTINGS.getInteger(Keys.server.httpPort, 0);
+
+		@Option(name = "--httpsPort", usage = "HTTPS port to serve.  (port <= 0 will disable this connector)", metaVar="PORT")
+		public Integer securePort = FILESETTINGS.getInteger(Keys.server.httpsPort, 8443);
+
+		@Option(name = "--ajpPort", usage = "AJP port to serve.  (port <= 0 will disable this connector)", metaVar="PORT")
+		public Integer ajpPort = FILESETTINGS.getInteger(Keys.server.ajpPort, 0);
+
+		@Option(name = "--gitPort", usage = "Git Daemon port to serve.  (port <= 0 will disable this connector)", metaVar="PORT")
+		public Integer gitPort = FILESETTINGS.getInteger(Keys.git.daemonPort, 9418);
+
+        @Option(name = "--sshPort", usage = "Git SSH port to serve.  (port <= 0 will disable this connector)", metaVar = "PORT")
+        public Integer sshPort = FILESETTINGS.getInteger(Keys.git.sshPort, 29418);
+
+		@Option(name = "--alias", usage = "Alias of SSL certificate in keystore for serving https.", metaVar="ALIAS")
+		public String alias = FILESETTINGS.getString(Keys.server.certificateAlias, "");
+
+		@Option(name = "--storePassword", usage = "Password for SSL (https) keystore.", metaVar="PASSWORD")
+		public String storePassword = FILESETTINGS.getString(Keys.server.storePassword, "");
+
+		@Option(name = "--shutdownPort", usage = "Port for Shutdown Monitor to listen on. (port <= 0 will disable this monitor)", metaVar="PORT")
+		public Integer shutdownPort = FILESETTINGS.getInteger(Keys.server.shutdownPort, 8081);
+
+		@Option(name = "--requireClientCertificates", usage = "Require client X509 certificates for https connections.")
+		public Boolean requireClientCertificates = FILESETTINGS.getBoolean(Keys.server.requireClientCertificates, false);
+
+		/*
+		 * Setting overrides
+		 */
+		@Option(name = "--settings", usage = "Path to alternative settings", metaVar="FILE")
+		public String settingsfile;
+
+		@Option(name = "--ldapLdifFile", usage = "Path to LDIF file.  This will cause an in-memory LDAP server to be started according to gitblit settings", metaVar="FILE")
+		public String ldapLdifFile;
+
+	}
 }
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