Made use of Jetty's file handling. Reworked some classes.
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FrozenCow
parent
9c49054c89
commit
58f8a34b49
5 changed files with 270 additions and 88 deletions
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@ -7,6 +7,7 @@ import java.io.InputStream;
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import java.lang.reflect.Constructor;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.URL;
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import java.net.UnknownHostException;
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import java.util.ArrayList;
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import java.util.Arrays;
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@ -72,20 +73,19 @@ import org.dynmap.permissions.BukkitPermissions;
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import org.dynmap.permissions.NijikokunPermissions;
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import org.dynmap.permissions.OpPermissions;
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import org.dynmap.permissions.PermissionProvider;
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import org.eclipse.jetty.server.Server;
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import org.eclipse.jetty.servlet.FilterHolder;
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import org.eclipse.jetty.servlet.ServletContextHandler;
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import org.eclipse.jetty.servlet.ServletHandler;
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import org.dynmap.web.*;
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import org.eclipse.jetty.server.*;
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import org.eclipse.jetty.server.handler.*;
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import org.eclipse.jetty.servlet.ServletHolder;
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import org.eclipse.jetty.util.resource.FileResource;
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import javax.servlet.*;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletResponse;
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public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
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private String version;
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private Server webServer = null;
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private ServletContextHandler webServerContextHandler = null;
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private HandlerRouter router = null;
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public MapManager mapManager = null;
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public PlayerList playerList;
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public ConfigurationNode configuration;
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@ -409,113 +409,68 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
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return config_hashcode;
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}
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private FileResource createFileResource(String path) {
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try {
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return new FileResource(new URL("file://" + path));
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} catch(Exception e) {
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Log.info("Could not create file resource");
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return null;
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}
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}
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public void loadWebserver() {
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webServer = new Server(new InetSocketAddress(configuration.getString("webserver-bindaddress", "0.0.0.0"), configuration.getInteger("webserver-port", 8123)));
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ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
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context.setContextPath("/");
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webServer.setHandler(context);
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webServerContextHandler = context;
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boolean allow_symlinks = configuration.getBoolean("allow-symlinks", false);
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final boolean allow_symlinks = configuration.getBoolean("allow-symlinks", false);
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int maxconnections = configuration.getInteger("max-sessions", 30);
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if(maxconnections < 2) maxconnections = 2;
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final ContextHandler context = new ContextHandler() {{
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this.setContextPath("/");
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this.setClassLoader(Thread.currentThread().getContextClassLoader());
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this.setHandler(router = new HandlerRouter() {{
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this.addHandler("/", new ResourceHandler() {{
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this.setAliases(allow_symlinks);
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this.setWelcomeFiles(new String[] { "index.html" });
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this.setDirectoriesListed(true);
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this.setBaseResource(createFileResource(getFile(getWebPath()).getAbsolutePath()));
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}});
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this.addHandler("/tiles/", new ResourceHandler() {{
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this.setAliases(allow_symlinks);
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this.setDirectoriesListed(true);
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this.setBaseResource(createFileResource(tilesDirectory.toString()));
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}});
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}});
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}};
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if(allow_symlinks)
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Log.verboseinfo("Web server is permitting symbolic links");
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else
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Log.verboseinfo("Web server is not permitting symbolic links");
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org.eclipse.jetty.server.Server s = new org.eclipse.jetty.server.Server();
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ServletHandler handler = new org.eclipse.jetty.servlet.ServletHandler();
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s.setHandler(handler);
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List<Filter> filters = new LinkedList<Filter>();
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/* Check for banned IPs */
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boolean checkbannedips = configuration.getBoolean("check-banned-ips", true);
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if (checkbannedips) {
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context.addFilter(new FilterHolder(new Filter() {
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private HashSet<String> banned_ips = new HashSet<String>();
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private HashSet<String> banned_ips_notified = new HashSet<String>();
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private long last_loaded = 0;
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private long lastmod = 0;
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private static final long BANNED_RELOAD_INTERVAL = 15000; /* Every 15 seconds */
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@Override
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public void init(FilterConfig filterConfig) throws ServletException { }
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@Override
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
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HttpServletResponse resp = (HttpServletResponse)response;
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String ipaddr = request.getRemoteAddr();
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if (isIpBanned(ipaddr)) {
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Log.info("Rejected connection by banned IP address - " + ipaddr);
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resp.sendError(403);
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} else {
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chain.doFilter(request, response);
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}
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}
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private void loadBannedIPs() {
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banned_ips.clear();
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banned_ips_notified.clear();
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banned_ips.addAll(getServer().getIPBans());
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}
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/* Return true if address is banned */
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public boolean isIpBanned(String ipaddr) {
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long t = System.currentTimeMillis();
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if((t < last_loaded) || ((t-last_loaded) > BANNED_RELOAD_INTERVAL)) {
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loadBannedIPs();
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last_loaded = t;
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}
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if(banned_ips.contains(ipaddr)) {
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if(!banned_ips_notified.contains(ipaddr)) {
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banned_ips_notified.add(ipaddr);
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}
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return true;
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}
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return false;
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}
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@Override
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public void destroy() { }
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}), "/*", null);
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filters.add(new BanIPFilter(this));
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}
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/* Load customized response headers, if any */
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final ConfigurationNode custhttp = configuration.getNode("http-response-headers");
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context.addFilter(new FilterHolder(new Filter() {
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@Override
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public void init(FilterConfig filterConfig) throws ServletException { }
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filters.add(new CustomHeaderFilter(configuration.getNode("http-response-headers")));
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@Override
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
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HttpServletResponse resp = (HttpServletResponse)response;
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webServer.setHandler(/*new FilterHandler(*/context/*, filters)*/);
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if(custhttp != null) {
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for(String k : custhttp.keySet()) {
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String v = custhttp.getString(k);
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if(v != null) {
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resp.setHeader(k, v);
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}
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}
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}
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chain.doFilter(request, response);
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}
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@Override
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public void destroy() { }
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}), "/*", null);
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addServlet("/*", new org.dynmap.servlet.FileServlet(getFile(getWebPath()).getAbsolutePath(), allow_symlinks));
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addServlet("/tiles/*", new org.dynmap.servlet.FileServlet(tilesDirectory.getAbsolutePath(), allow_symlinks));
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addServlet("/up/configuration", new org.dynmap.servlet.ClientConfigurationServlet(this));
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}
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public Set<String> getIPBans() {
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return getServer().getIPBans();
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}
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public void addServlet(String path, HttpServlet servlet) {
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ServletHolder holder = new ServletHolder(servlet);
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webServerContextHandler.getServletHandler().addServletWithMapping(holder, path);
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router.addServlet(path, servlet);
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}
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