Upstream/dynmap
1
0
Fork 0
mirror of https://github.com/webbukkit/dynmap.git synced 2024-11-28 05:05:16 +01:00
Code Issues Projects Releases Wiki Activity

Replaced webserver with Jetty.

Browse Source
This commit is contained in:
FrozenCow 2011-12-27 17:46:05 +01:00
parent db3ab5a437
commit 3c4a88a874
19 changed files with 1081 additions and 1020 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
pom.xml
View File

@ -41,7 +41,8 @@
<source>1.6</source> <source>1.6</source>
<target>1.6</target> <target>1.6</target>
</configuration> </configuration>
</plugin> </plugin>
<plugin> <plugin>
<groupId>org.apache.maven.plugins</groupId> <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId> <artifactId>maven-shade-plugin</artifactId>
@ -55,7 +56,9 @@
<configuration> <configuration>
<artifactSet> <artifactSet>
<includes> <includes>
<include>org.dynmap:dynmap-api:jar:*</include> <include>org.dynmap:dynmap-api:jar:*</include>
<include>org.eclipse.jetty:jetty-*:jar:*</include>
<include>javax.servlet:javax.servlet-api:jar:*</include>
</includes> </includes>
</artifactSet> </artifactSet>
</configuration> </configuration>
@ -107,5 +110,21 @@
<type>jar</type> <type>jar</type>
<scope>compile</scope> <scope>compile</scope>
</dependency> </dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-server</artifactId>
<version>8.0.1.v20110908</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlet</artifactId>
<version>8.0.1.v20110908</version>
</dependency>
</dependencies> </dependencies>
</project> </project>

159
src/main/java/org/dynmap/DynmapPlugin.java
View File

@ -70,13 +70,20 @@ import org.dynmap.permissions.BukkitPermissions;
import org.dynmap.permissions.NijikokunPermissions; import org.dynmap.permissions.NijikokunPermissions;
import org.dynmap.permissions.OpPermissions; import org.dynmap.permissions.OpPermissions;
import org.dynmap.permissions.PermissionProvider; import org.dynmap.permissions.PermissionProvider;
import org.dynmap.web.HttpServer; import org.eclipse.jetty.server.Server;
import org.dynmap.web.handlers.ClientConfigurationHandler; import org.eclipse.jetty.servlet.FilterHolder;
import org.dynmap.web.handlers.FilesystemHandler; import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import javax.servlet.*;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
public class DynmapPlugin extends JavaPlugin implements DynmapAPI { public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
private String version; private String version;
public HttpServer webServer = null; private Server webServer = null;
private ServletContextHandler webServerContextHandler = null;
public MapManager mapManager = null; public MapManager mapManager = null;
public PlayerList playerList; public PlayerList playerList;
public ConfigurationNode configuration; public ConfigurationNode configuration;
@ -123,10 +130,6 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
return mapManager; return mapManager;
} }
public HttpServer getWebServer() {
return webServer;
}
/* Add/Replace branches in configuration tree with contribution from a separate file */ /* Add/Replace branches in configuration tree with contribution from a separate file */
private void mergeConfigurationBranch(ConfigurationNode cfgnode, String branch, boolean replace_existing, boolean islist) { private void mergeConfigurationBranch(ConfigurationNode cfgnode, String branch, boolean replace_existing, boolean islist) {
Object srcbranch = cfgnode.getObject(branch); Object srcbranch = cfgnode.getObject(branch);
@ -409,50 +412,120 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
} }
public void loadWebserver() { public void loadWebserver() {
InetAddress bindAddress; webServer = new Server(new InetSocketAddress(configuration.getString("webserver-bindaddress", "0.0.0.0"), configuration.getInteger("webserver-port", 8123)));
{ ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
String address = configuration.getString("webserver-bindaddress", "0.0.0.0"); context.setContextPath("/");
try { webServer.setHandler(context);
bindAddress = address.equals("0.0.0.0") webServerContextHandler = context;
? null
: InetAddress.getByName(address);
} catch (UnknownHostException e) {
bindAddress = null;
}
}
int port = configuration.getInteger("webserver-port", 8123);
boolean allow_symlinks = configuration.getBoolean("allow-symlinks", false); boolean allow_symlinks = configuration.getBoolean("allow-symlinks", false);
boolean checkbannedips = configuration.getBoolean("check-banned-ips", true);
int maxconnections = configuration.getInteger("max-sessions", 30); int maxconnections = configuration.getInteger("max-sessions", 30);
if(maxconnections < 2) maxconnections = 2; if(maxconnections < 2) maxconnections = 2;
/* Load customized response headers, if any */
ConfigurationNode custhttp = configuration.getNode("http-response-headers");
HashMap<String, String> custhdrs = new HashMap<String,String>();
if(custhttp != null) {
for(String k : custhttp.keySet()) {
String v = custhttp.getString(k);
if(v != null) {
custhdrs.put(k, v);
}
}
}
HttpServer.setCustomHeaders(custhdrs);
if(allow_symlinks) if(allow_symlinks)
Log.verboseinfo("Web server is permitting symbolic links"); Log.verboseinfo("Web server is permitting symbolic links");
else else
Log.verboseinfo("Web server is not permitting symbolic links"); Log.verboseinfo("Web server is not permitting symbolic links");
webServer = new HttpServer(bindAddress, port, checkbannedips, maxconnections, this);
webServer.handlers.put("/", new FilesystemHandler(getFile(configuration.getString("webpath", "web")), allow_symlinks)); org.eclipse.jetty.server.Server s = new org.eclipse.jetty.server.Server();
webServer.handlers.put("/tiles/", new FilesystemHandler(tilesDirectory, allow_symlinks)); ServletHandler handler = new org.eclipse.jetty.servlet.ServletHandler();
webServer.handlers.put("/up/configuration", new ClientConfigurationHandler(this)); s.setHandler(handler);
/* Check for banned IPs */
boolean checkbannedips = configuration.getBoolean("check-banned-ips", true);
if (checkbannedips) {
context.addFilter(new FilterHolder(new Filter() {
private HashSet<String> banned_ips = new HashSet<String>();
private HashSet<String> banned_ips_notified = new HashSet<String>();
private long last_loaded = 0;
private long lastmod = 0;
private static final long BANNED_RELOAD_INTERVAL = 15000; /* Every 15 seconds */
@Override
public void init(FilterConfig filterConfig) throws ServletException { }
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletResponse resp = (HttpServletResponse)response;
String ipaddr = request.getRemoteAddr();
if (isIpBanned(ipaddr)) {
Log.info("Rejected connection by banned IP address - " + ipaddr);
resp.sendError(403);
} else {
chain.doFilter(request, response);
}
}
private void loadBannedIPs() {
banned_ips.clear();
banned_ips_notified.clear();
banned_ips.addAll(getServer().getIPBans());
}
/* Return true if address is banned */
public boolean isIpBanned(String ipaddr) {
long t = System.currentTimeMillis();
if((t < last_loaded) || ((t-last_loaded) > BANNED_RELOAD_INTERVAL)) {
loadBannedIPs();
last_loaded = t;
}
if(banned_ips.contains(ipaddr)) {
if(!banned_ips_notified.contains(ipaddr)) {
banned_ips_notified.add(ipaddr);
}
return true;
}
return false;
}
@Override
public void destroy() { }
}), "/*", null);
}
/* Load customized response headers, if any */
final ConfigurationNode custhttp = configuration.getNode("http-response-headers");
context.addFilter(new FilterHolder(new Filter() {
@Override
public void init(FilterConfig filterConfig) throws ServletException { }
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletResponse resp = (HttpServletResponse)response;
if(custhttp != null) {
for(String k : custhttp.keySet()) {
String v = custhttp.getString(k);
if(v != null) {
resp.setHeader(k, v);
}
}
}
chain.doFilter(request, response);
}
@Override
public void destroy() { }
}), "/*", null);
addServlet("/*", new org.dynmap.servlet.FileServlet(getFile(getWebPath()).getAbsolutePath(), allow_symlinks));
addServlet("/tiles/*", new org.dynmap.servlet.FileServlet(tilesDirectory.getAbsolutePath(), allow_symlinks));
addServlet("/up/configuration", new org.dynmap.servlet.ClientConfigurationServlet(this));
} }
public void addServlet(String path, HttpServlet servlet) {
ServletHolder holder = new ServletHolder(servlet);
webServerContextHandler.getServletHandler().addServletWithMapping(holder, path);
}
public void startWebserver() { public void startWebserver() {
try { try {
webServer.startServer(); webServer.start();
} catch (IOException e) { } catch (Exception e) {
Log.severe("Failed to start WebServer on " + webServer.getAddress() + ":" + webServer.getPort() + "!"); Log.severe("Failed to start WebServer!", e);
} }
} }
@ -475,7 +548,11 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
} }
if (webServer != null) { if (webServer != null) {
webServer.shutdown(); try {
webServer.stop();
} catch (Exception e) {
Log.severe("Failed to stop WebServer!", e);
}
webServer = null; webServer = null;
} }
/* Clean up all registered handlers */ /* Clean up all registered handlers */

31
src/main/java/org/dynmap/InternalClientUpdateComponent.java
View File

@ -1,8 +1,7 @@
package org.dynmap; package org.dynmap;
import org.dynmap.Event.Listener; import org.dynmap.servlet.ClientUpdateServlet;
import org.dynmap.web.handlers.ClientUpdateHandler; import org.dynmap.servlet.SendMessageServlet;
import org.dynmap.web.handlers.SendMessageHandler;
import org.json.simple.JSONObject; import org.json.simple.JSONObject;
import static org.dynmap.JSONUtils.*; import static org.dynmap.JSONUtils.*;
@ -10,12 +9,11 @@ public class InternalClientUpdateComponent extends ClientUpdateComponent {
public InternalClientUpdateComponent(final DynmapPlugin plugin, final ConfigurationNode configuration) { public InternalClientUpdateComponent(final DynmapPlugin plugin, final ConfigurationNode configuration) {
super(plugin, configuration); super(plugin, configuration);
final boolean allowwebchat = configuration.getBoolean("allowwebchat", false); plugin.addServlet("/up/world/*", new ClientUpdateServlet(plugin));
final boolean hidewebchatip = configuration.getBoolean("hidewebchatip", false);
final boolean trust_client_name = configuration.getBoolean("trustclientname", false); final Boolean allowwebchat = configuration.getBoolean("allowwebchat", false);
final boolean useplayerloginip = configuration.getBoolean("use-player-login-ip", true); final Boolean hidewebchatip = configuration.getBoolean("hidewebchatip", false);
final boolean checkuserban = configuration.getBoolean("block-banned-player-chat", true); final Boolean trust_client_name = configuration.getBoolean("trustclientname", false);
final boolean requireplayerloginip = configuration.getBoolean("require-player-login-ip", false);
final float webchatInterval = configuration.getFloat("webchat-interval", 1); final float webchatInterval = configuration.getFloat("webchat-interval", 1);
final String spammessage = plugin.configuration.getString("spammessage", "You may only chat once every %interval% seconds."); final String spammessage = plugin.configuration.getString("spammessage", "You may only chat once every %interval% seconds.");
@ -27,27 +25,20 @@ public class InternalClientUpdateComponent extends ClientUpdateComponent {
} }
}); });
plugin.webServer.handlers.put("/up/", new ClientUpdateHandler(plugin));
if (allowwebchat) { if (allowwebchat) {
SendMessageHandler messageHandler = new SendMessageHandler() {{ SendMessageServlet messageHandler = new SendMessageServlet() {{
maximumMessageInterval = (int)(webchatInterval * 1000); maximumMessageInterval = (int)(webchatInterval * 1000);
spamMessage = "\""+spammessage+"\""; spamMessage = "\""+spammessage+"\"";
hideip = hidewebchatip; hideip = hidewebchatip;
this.plug_in = plugin;
this.trustclientname = trust_client_name; this.trustclientname = trust_client_name;
this.use_player_login_ip = useplayerloginip; onMessageReceived.addListener(new Event.Listener<Message> () {
this.require_player_login_ip = requireplayerloginip;
this.check_user_ban = checkuserban;
onMessageReceived.addListener(new Listener<SendMessageHandler.Message>() {
@Override @Override
public void triggered(Message t) { public void triggered(Message t) {
webChat(t.name, t.message); webChat(t.name, t.message);
} }
}); });
}}; }};
plugin.addServlet("/up/sendmessage", messageHandler);
plugin.webServer.handlers.put("/up/sendmessage", messageHandler);
} }
} }
@ -57,7 +48,7 @@ public class InternalClientUpdateComponent extends ClientUpdateComponent {
// TODO: Change null to something meaningful. // TODO: Change null to something meaningful.
plugin.mapManager.pushUpdate(new Client.ChatMessage("web", null, name, message, null)); plugin.mapManager.pushUpdate(new Client.ChatMessage("web", null, name, message, null));
Log.info(unescapeString(plugin.configuration.getString("webprefix", "\u00A72[WEB] ")) + name + ": " + unescapeString(plugin.configuration.getString("websuffix", "\u00A7f")) + message); Log.info(unescapeString(plugin.configuration.getString("webprefix", "\u00A72[WEB] ")) + name + ": " + unescapeString(plugin.configuration.getString("websuffix", "\u00A7f")) + message);
ChatEvent event = new ChatEvent("web", name, message); ChatEvent event = new ChatEvent("web", name, message);
plugin.events.trigger("webchat", event); plugin.events.trigger("webchat", event);
} }
} }

52
src/main/java/org/dynmap/servlet/ClientConfigurationServlet.java Normal file
View File

@ -0,0 +1,52 @@
package org.dynmap.servlet;
import java.io.IOException;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dynmap.DynmapPlugin;
import org.dynmap.DynmapWorld;
import org.dynmap.Event;
import org.json.simple.JSONObject;
public class ClientConfigurationServlet extends HttpServlet {
private static final long serialVersionUID = 9106801553080522469L;
private DynmapPlugin plugin;
private byte[] cachedConfiguration = null;
public ClientConfigurationServlet(DynmapPlugin plugin) {
this.plugin = plugin;
plugin.events.addListener("worldactivated", new Event.Listener<DynmapWorld>() {
@Override
public void triggered(DynmapWorld t) {
cachedConfiguration = null;
}
});
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
byte[] outputBytes = cachedConfiguration;
if (outputBytes == null) {
JSONObject json = new JSONObject();
plugin.events.<JSONObject>trigger("buildclientconfiguration", json);
String s = json.toJSONString();
outputBytes = s.getBytes("UTF-8");
}
if (outputBytes != null) {
cachedConfiguration = outputBytes;
}
String dateStr = new Date().toString();
res.addHeader("Date", dateStr);
res.setContentType("text/plain; charset=utf-8");
res.addHeader("Expires", "Thu, 01 Dec 1994 16:00:00 GMT");
res.addHeader("Last-modified", dateStr);
res.setContentLength(outputBytes.length);
res.getOutputStream().write(outputBytes);
}
}

74
src/main/java/org/dynmap/servlet/ClientUpdateServlet.java Normal file
View File

@ -0,0 +1,74 @@
package org.dynmap.servlet;
import static org.dynmap.JSONUtils.s;
import java.io.IOException;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dynmap.ClientUpdateEvent;
import org.dynmap.DynmapPlugin;
import org.dynmap.DynmapWorld;
import org.dynmap.Log;
import org.dynmap.web.HttpField;
import org.json.simple.JSONObject;
public class ClientUpdateServlet extends HttpServlet {
private DynmapPlugin plugin;
public ClientUpdateServlet(DynmapPlugin plugin) {
this.plugin = plugin;
}
Pattern updatePathPattern = Pattern.compile("/([^/]+)/([0-9]*)");
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String path = req.getPathInfo();
Matcher match = updatePathPattern.matcher(path);
if (!match.matches()) {
resp.sendError(404, "World not found");
return;
}
String worldName = match.group(1);
String timeKey = match.group(2);
DynmapWorld dynmapWorld = null;
if(plugin.mapManager != null) {
dynmapWorld = plugin.mapManager.getWorld(worldName);
}
if (dynmapWorld == null || dynmapWorld.world == null) {
resp.sendError(404, "World not found");
return;
}
long current = System.currentTimeMillis();
long since = 0;
try {
since = Long.parseLong(timeKey);
} catch (NumberFormatException e) {
}
JSONObject u = new JSONObject();
s(u, "timestamp", current);
plugin.events.trigger("buildclientupdate", new ClientUpdateEvent(since, dynmapWorld, u));
byte[] bytes = u.toJSONString().getBytes("UTF-8");
String dateStr = new Date().toString();
resp.addHeader(HttpField.Date, dateStr);
resp.addHeader(HttpField.ContentType, "text/plain; charset=utf-8");
resp.addHeader(HttpField.Expires, "Thu, 01 Dec 1994 16:00:00 GMT");
resp.addHeader(HttpField.LastModified, dateStr);
resp.addHeader(HttpField.ContentLength, Integer.toString(bytes.length));
resp.getOutputStream().write(bytes);
}
}

578
src/main/java/org/dynmap/servlet/FileServlet.java Normal file
View File

@ -0,0 +1,578 @@
/*
* net/balusc/webapp/FileServlet.java
*
* Copyright (C) 2009 BalusC
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Lesser General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this library.
* If not, see <http://www.gnu.org/licenses/>.
*/
package org.dynmap.servlet;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.net.URLDecoder;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.GZIPOutputStream;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* A file servlet supporting resume of downloads and client-side caching and GZIP of text content.
* This servlet can also be used for images, client-side caching would become more efficient.
* This servlet can also be used for text files, GZIP would decrease network bandwidth.
*
* @author BalusC
* @link http://balusc.blogspot.com/2009/02/fileservlet-supporting-resume-and.html
*/
public class FileServlet extends HttpServlet {
// Constants ----------------------------------------------------------------------------------
private static final int DEFAULT_BUFFER_SIZE = 10240; // ..bytes = 10KB.
private static final String MULTIPART_BOUNDARY = "MULTIPART_BYTERANGES";
// Properties ---------------------------------------------------------------------------------
private String basePath = null;
private boolean allow_symlinks = true;
private String[] indexFiles = new String[] {
"index.html"
};
// Actions ------------------------------------------------------------------------------------
public FileServlet() {
}
public FileServlet(String basePath, boolean allow_symlinks) {
this.basePath = new File(basePath).getAbsolutePath();
this.allow_symlinks = allow_symlinks;
}
/**
* Initialize the servlet.
* @see HttpServlet#init().
*/
public void init() throws ServletException {
if (basePath == null) {
setBasePath(new File(getServletContext().getRealPath(getInitParameter("basePath"))).getAbsolutePath());
}
}
public void setBasePath(String basePath) {
// Validate base path.
if (basePath == null) {
throw new InvalidParameterException("'basePath' is required.");
} else {
File path = new File(basePath);
if (!path.exists()) {
throw new InvalidParameterException("'basePath' value '"
+ basePath + "' does actually not exist in file system.");
} else if (!path.isDirectory()) {
throw new InvalidParameterException("'basePath' value '"
+ basePath + "' is actually not a directory in file system.");
} else if (!path.canRead()) {
throw new InvalidParameterException("'basePath' value '"
+ basePath + "' is actually not readable in file system.");
}
}
this.basePath = basePath;
}
/**
* Process HEAD request. This returns the same headers as GET request, but without content.
* @see HttpServlet#doHead(HttpServletRequest, HttpServletResponse).
*/
protected void doHead(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
// Process request without content.
processRequest(request, response, false);
}
/**
* Process GET request.
* @see HttpServlet#doGet(HttpServletRequest, HttpServletResponse).
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
// Process request with content.
processRequest(request, response, true);
}
private static String getNormalizedPath(String p) {
p = p.replace('\\', '/');
String[] tok = p.split("/");
int i, j;
for(i = 0, j = 0; i < tok.length; i++) {
if((tok[i] == null) || (tok[i].length() == 0) || (tok[i].equals("."))) {
tok[i] = null;
}
else if(tok[i].equals("..")) {
if(j > 0) { j--; tok[j] = null; }
tok[i] = null;
}
else {
tok[j] = tok[i];
j++;
}
}
String path = "";
for(i = 0; i < j; i++) {
if(tok[i] != null)
path = path + "/" + tok[i];
}
return path;
}
/**
* Process the actual request.
* @param request The request to be processed.
* @param response The response to be created.
* @param content Whether the request body should be written (GET) or not (HEAD).
* @throws IOException If something fails at I/O level.
*/
private void processRequest
(HttpServletRequest request, HttpServletResponse response, boolean content)
throws IOException
{
// Validate the requested file ------------------------------------------------------------
// Get requested file by path info.
String requestedFile = request.getPathInfo();
if (requestedFile != null)
requestedFile = getNormalizedPath(requestedFile);
// Check if file is actually supplied to the request URL.
if (requestedFile == null) {
// Do your thing if the file is not supplied to the request URL.
// Throw an exception, or send 404, or show default/warning page, or just ignore it.
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// URL-decode the file name (might contain spaces and on) and prepare file object.
File file = new File(basePath, URLDecoder.decode(requestedFile, "UTF-8"));
String fpath = null;
if(allow_symlinks)
fpath = file.getAbsolutePath();
else
fpath = file.getCanonicalPath();
if (!fpath.startsWith(basePath)) {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
if (file.isDirectory()) {
File directory = file;
for (int i = 0; i < indexFiles.length; i++) {
file = new File(directory, indexFiles[i]);
if (file.isFile())
break;
}
}
// Check if file actually exists in filesystem.
if (!file.exists()) {
// Do your thing if the file appears to be non-existing.
// Throw an exception, or send 404, or show default/warning page, or just ignore it.
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// Prepare some variables. The ETag is an unique identifier of the file.
String fileName = file.getName();
long length = file.length();
long lastModified = file.lastModified();
String eTag = fileName + "_" + length + "_" + lastModified;
// Validate request headers for caching ---------------------------------------------------
// If-None-Match header should contain "*" or ETag. If so, then return 304.
String ifNoneMatch = request.getHeader("If-None-Match");
if (ifNoneMatch != null && matches(ifNoneMatch, eTag)) {
response.setHeader("ETag", eTag); // Required in 304.
response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
// If-Modified-Since header should be greater than LastModified. If so, then return 304.
// This header is ignored if any If-None-Match header is specified.
long ifModifiedSince = request.getDateHeader("If-Modified-Since");
if (ifNoneMatch == null && ifModifiedSince != -1 && ifModifiedSince + 1000 > lastModified) {
response.setHeader("ETag", eTag); // Required in 304.
response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
// Validate request headers for resume ----------------------------------------------------
// If-Match header should contain "*" or ETag. If not, then return 412.
String ifMatch = request.getHeader("If-Match");
if (ifMatch != null && !matches(ifMatch, eTag)) {
response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
return;
}
// If-Unmodified-Since header should be greater than LastModified. If not, then return 412.
long ifUnmodifiedSince = request.getDateHeader("If-Unmodified-Since");
if (ifUnmodifiedSince != -1 && ifUnmodifiedSince + 1000 <= lastModified) {
response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
return;
}
// Validate and process range -------------------------------------------------------------
// Prepare some variables. The full Range represents the complete file.
Range full = new Range(0, length - 1, length);
List<Range> ranges = new ArrayList<Range>();
// Validate and process Range and If-Range headers.
String range = request.getHeader("Range");
if (range != null) {
// Range header should match format "bytes=n-n,n-n,n-n...". If not, then return 416.
if (!range.matches("^bytes=\\d*-\\d*(,\\d*-\\d*)*$")) {
response.setHeader("Content-Range", "bytes */" + length); // Required in 416.
response.sendError(HttpServletResponse.SC_REQUESTED_RANGE_NOT_SATISFIABLE);
return;
}
// If-Range header should either match ETag or be greater then LastModified. If not,
// then return full file.
String ifRange = request.getHeader("If-Range");
if (ifRange != null && !ifRange.equals(eTag)) {
try {
long ifRangeTime = request.getDateHeader("If-Range"); // Throws IAE if invalid.
if (ifRangeTime != -1 && ifRangeTime + 1000 < lastModified) {
ranges.add(full);
}
} catch (IllegalArgumentException ignore) {
ranges.add(full);
}
}
// If any valid If-Range header, then process each part of byte range.
if (ranges.isEmpty()) {
String[] rangesParts = range.substring(6).split(",");
if (rangesParts.length > 1) {
response.setHeader("Content-Range", "bytes */" + length); // Required in 416.
response.sendError(HttpServletResponse.SC_REQUESTED_RANGE_NOT_SATISFIABLE);
return;
}
for (String part : rangesParts) {
// Assuming a file with length of 100, the following examples returns bytes at:
// 50-80 (50 to 80), 40- (40 to length=100), -20 (length-20=80 to length=100).
long start = sublong(part, 0, part.indexOf("-"));
long end = sublong(part, part.indexOf("-") + 1, part.length());
if (start == -1) {
start = length - end;
end = length - 1;
} else if (end == -1 || end > length - 1) {
end = length - 1;
}
// Check if Range is syntactically valid. If not, then return 416.
if (start > end) {
response.setHeader("Content-Range", "bytes */" + length); // Required in 416.
response.sendError(HttpServletResponse.SC_REQUESTED_RANGE_NOT_SATISFIABLE);
return;
}
// Add range.
ranges.add(new Range(start, end, length));
}
}
}
// Prepare and initialize response --------------------------------------------------------
// Get content type by file name and set default GZIP support and content disposition.
boolean acceptsGzip = false;
String disposition = "inline";
String contentType = getContentType(fileName);
// If content type is text, then determine whether GZIP content encoding is supported by
// the browser and expand content type with the one and right character encoding.
if (contentType.startsWith("text")) {
String acceptEncoding = request.getHeader("Accept-Encoding");
acceptsGzip = acceptEncoding != null && accepts(acceptEncoding, "gzip");
contentType += ";charset=UTF-8";
}
// Else, expect for images, determine content disposition. If content type is supported by
// the browser, then set to inline, else attachment which will pop a 'save as' dialogue.
else if (!contentType.startsWith("image")) {
String accept = request.getHeader("Accept");
disposition = accept != null && accepts(accept, contentType) ? "inline" : "attachment";
}
// Initialize response.
response.reset();
response.setBufferSize(DEFAULT_BUFFER_SIZE);
response.setHeader("Content-Disposition", disposition + ";filename=\"" + fileName + "\"");
response.setHeader("Accept-Ranges", "bytes");
response.setHeader("ETag", eTag);
response.setDateHeader("Last-Modified", lastModified);
// Send requested file (part(s)) to client ------------------------------------------------
// Prepare streams.
RandomAccessFile input = null;
OutputStream output = null;
try {
// Open streams.
input = new RandomAccessFile(file, "r");
output = response.getOutputStream();
if (ranges.isEmpty() || ranges.get(0) == full) {
// Return full file.
Range r = full;
response.setContentType(contentType);
response.setHeader("Content-Range", "bytes " + r.start + "-" + r.end + "/" + r.total);
if (content) {
if (acceptsGzip) {
// The browser accepts GZIP, so GZIP the content.
response.setHeader("Content-Encoding", "gzip");
output = new GZIPOutputStream(output, DEFAULT_BUFFER_SIZE);
} else {
// Content length is not directly predictable in case of GZIP.
// So only add it if there is no means of GZIP, else browser will hang.
response.setHeader("Content-Length", String.valueOf(r.length));
}
// Copy full range.
copy(input, output, r.start, r.length);
}
} else if (ranges.size() == 1) {
// Return single part of file.
Range r = ranges.get(0);
response.setContentType(contentType);
response.setHeader("Content-Range", "bytes " + r.start + "-" + r.end + "/" + r.total);
response.setHeader("Content-Length", String.valueOf(r.length));
response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT); // 206.
if (content) {
// Copy single part range.
copy(input, output, r.start, r.length);
}
} else {
// Return multiple parts of file.
response.setContentType("multipart/byteranges; boundary=" + MULTIPART_BOUNDARY);
response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT); // 206.
if (content) {
// Cast back to ServletOutputStream to get the easy println methods.
ServletOutputStream sos = (ServletOutputStream) output;
// Copy multi part range.
for (Range r : ranges) {
// Add multipart boundary and header fields for every range.
sos.println();
sos.println("--" + MULTIPART_BOUNDARY);
sos.println("Content-Type: " + contentType);
sos.println("Content-Range: bytes " + r.start + "-" + r.end + "/" + r.total);
// Copy single part range of multi part range.
copy(input, output, r.start, r.length);
}
// End with multipart boundary.
sos.println();
sos.println("--" + MULTIPART_BOUNDARY + "--");
}
}
} finally {
// Gently close streams.
close(output);
close(input);
}
}
// Helpers (can be refactored to public utility class) ----------------------------------------
final static Map<String, String> mimeTypes = new HashMap<String, String>() {{
this.put(".html", "text/html");
this.put(".htm", "text/html");
this.put(".js", "text/javascript");
this.put(".png", "image/png");
this.put(".jpg", "image/jpeg");
this.put(".css", "text/css");
this.put(".txt", "text/plain");
}};
public String getContentType(String fileName) {
// Don't use getServetContext!
/*String contentType = getServletContext().getMimeType(fileName);
*/
String contentType = null;
int i = fileName.lastIndexOf('.');
if (i >= 0) {
String extension = fileName.substring(i);
contentType = mimeTypes.get(extension);
}
if (contentType == null) {
contentType = "application/octet-stream";
}
return contentType;
}
/**
* Returns true if the given accept header accepts the given value.
* @param acceptHeader The accept header.
* @param toAccept The value to be accepted.
* @return True if the given accept header accepts the given value.
*/
private static boolean accepts(String acceptHeader, String toAccept) {
String[] acceptValues = acceptHeader.split("\\s*(,|;)\\s*");
Arrays.sort(acceptValues);
return Arrays.binarySearch(acceptValues, toAccept) > -1
|| Arrays.binarySearch(acceptValues, toAccept.replaceAll("/.*$", "/*")) > -1
|| Arrays.binarySearch(acceptValues, "*/*") > -1;
}
/**
* Returns true if the given match header matches the given value.
* @param matchHeader The match header.
* @param toMatch The value to be matched.
* @return True if the given match header matches the given value.
*/
private static boolean matches(String matchHeader, String toMatch) {
String[] matchValues = matchHeader.split("\\s*,\\s*");
Arrays.sort(matchValues);
return Arrays.binarySearch(matchValues, toMatch) > -1
|| Arrays.binarySearch(matchValues, "*") > -1;
}
/**
* Returns a substring of the given string value from the given begin index to the given end
* index as a long. If the substring is empty, then -1 will be returned
* @param value The string value to return a substring as long for.
* @param beginIndex The begin index of the substring to be returned as long.
* @param endIndex The end index of the substring to be returned as long.
* @return A substring of the given string value as long or -1 if substring is empty.
*/
private static long sublong(String value, int beginIndex, int endIndex) {
String substring = value.substring(beginIndex, endIndex);
return (substring.length() > 0) ? Long.parseLong(substring) : -1;
}
/**
* Copy the given byte range of the given input to the given output.
* @param input The input to copy the given range to the given output for.
* @param output The output to copy the given range from the given input for.
* @param start Start of the byte range.
* @param length Length of the byte range.
* @throws IOException If something fails at I/O level.
*/
private static void copy(RandomAccessFile input, OutputStream output, long start, long length)
throws IOException
{
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
int read;
if (input.length() == length) {
// Write full range.
while ((read = input.read(buffer)) > 0) {
output.write(buffer, 0, read);
}
} else {
// Write partial range.
input.seek(start);
long toRead = length;
while ((read = input.read(buffer)) > 0) {
if ((toRead -= read) > 0) {
output.write(buffer, 0, read);
} else {
output.write(buffer, 0, (int) toRead + read);
break;
}
}
}
}
/**
* Close the given resource.
* @param resource The resource to be closed.
*/
private static void close(Closeable resource) {
if (resource != null) {
try {
resource.close();
} catch (IOException ignore) {
// Ignore IOException. If you want to handle this anyway, it might be useful to know
// that this will generally only be thrown when the client aborted the request.
}
}
}
// Inner classes ------------------------------------------------------------------------------
/**
* This class represents a byte range.
*/
protected class Range {
long start;
long end;
long length;
long total;
/**
* Construct a byte range.
* @param start Start of the byte range.
* @param end End of the byte range.
* @param total Total length of the byte source.
*/
public Range(long start, long end, long total) {
this.start = start;
this.end = end;
this.length = end - start + 1;
this.total = total;
}
}
}

18
src/main/java/org/dynmap/servlet/JSONServlet.java Normal file
View File

@ -0,0 +1,18 @@
package org.dynmap.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletResponse;
import org.json.simple.JSONAware;
import org.json.simple.JSONStreamAware;
public class JSONServlet {
public static void respond(HttpServletResponse response, JSONStreamAware json) throws IOException {
response.setContentType("application/json");
PrintWriter writer = response.getWriter();
json.writeJSONString(writer);
writer.close();
}
}

146
src/main/java/org/dynmap/servlet/MainServlet.java Normal file
View File

@ -0,0 +1,146 @@
package org.dynmap.servlet;
import java.io.IOException;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpServletResponse;
import org.dynmap.Log;
public class MainServlet extends HttpServlet {
public static class Header {
public String name;
public String value;
public Header(String name, String value) {
this.name = name;
this.value = value;
}
}
private static class Registration {
public String pattern;
public HttpServlet servlet;
public Registration(String pattern, HttpServlet servlet) {
this.pattern = pattern;
this.servlet = servlet;
}
}
List<Registration> registrations = new LinkedList<Registration>();
public List<Header> customHeaders = new LinkedList<Header>();
public void addServlet(String pattern, HttpServlet servlet) {
registrations.add(new Registration(pattern, servlet));
}
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
HashMap<String, Object> properties = new HashMap<String, Object>();
String path = req.getPathInfo();
for(Header header : customHeaders) {
resp.setHeader(header.name, header.value);
}
Registration bestMatch = null;
String bestMatchPart = null;
HashMap<String, Object> bestProperties = null;
for (Registration r : registrations) {
String matchingPart = match(r.pattern, path, properties);
if (matchingPart != null) {
if (bestMatchPart == null || bestMatchPart.length() < matchingPart.length()) {
bestMatch = r;
bestMatchPart = matchingPart;
bestProperties = properties;
properties = new HashMap<String, Object>();
}
}
}
if (bestMatch == null) {
resp.sendError(404);
} else {
String leftOverPath = path.substring(bestMatchPart.length());
HttpServletRequest newreq = new RequestWrapper(req, leftOverPath);
for(String key : bestProperties.keySet()) {
newreq.setAttribute(key, bestProperties.get(key));
}
bestMatch.servlet.service(newreq, resp);
}
}
public String match(String pattern, String path, Map<String, Object> properties) {
int patternStart = 0;
int pathStart = 0;
while (patternStart < pattern.length()) {
if (pattern.charAt(patternStart) == '{') {
// Found a variable.
int endOfVariable = pattern.indexOf('}', patternStart+1);
String variableName = pattern.substring(patternStart+1, endOfVariable);
int endOfSection = indexOfAny(path, new char[] { '/', '?' }, pathStart);
if (endOfSection < 0) {
endOfSection = path.length();
}
String variableValue = path.substring(pathStart, endOfSection);
// Store variable.
properties.put(variableName, variableValue);
patternStart = endOfVariable+1;
pathStart = endOfSection;
} else {
int endOfLiteral = pattern.indexOf('{', patternStart);
if (endOfLiteral < 0) {
endOfLiteral = pattern.length();
}
String literal = pattern.substring(patternStart, endOfLiteral);
int endOfPathLiteral = pathStart + literal.length();
if (endOfPathLiteral > path.length()) {
return null;
}
String matchingLiteral = path.substring(pathStart, endOfPathLiteral);
if (!literal.equals(matchingLiteral)) {
return null;
}
patternStart = endOfLiteral;
pathStart = endOfPathLiteral;
}
}
// Return the part of the url that matches the pattern. (if the pattern does not contain any variables, this will be equal to the pattern)
return path.substring(0, pathStart);
}
private int indexOfAny(String s, char[] cs, int startIndex) {
for(int i = startIndex; i < s.length(); i++) {
char c = s.charAt(i);
for(int j = 0; j < cs.length; j++) {
if (c == cs[j]) {
return i;
}
}
}
return -1;
}
class RequestWrapper extends HttpServletRequestWrapper {
String pathInfo;
public RequestWrapper(HttpServletRequest request, String pathInfo) {
super(request);
this.pathInfo = pathInfo;
}
@Override
public String getPathInfo() {
return pathInfo;
}
}
}

119
src/main/java/org/dynmap/web/handlers/SendMessageHandler.java → src/main/java/org/dynmap/servlet/SendMessageServlet.java
View File

@ -1,5 +1,19 @@
package org.dynmap.web.handlers; package org.dynmap.servlet;
import org.bukkit.OfflinePlayer;
import org.dynmap.DynmapPlugin;
import org.dynmap.Event;
import org.dynmap.Log;
import org.dynmap.web.HttpStatus;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.nio.charset.Charset; import java.nio.charset.Charset;
import java.util.HashMap; import java.util.HashMap;
@ -7,50 +21,40 @@ import java.util.LinkedList;
import java.util.List; import java.util.List;
import java.util.logging.Logger; import java.util.logging.Logger;
import org.bukkit.OfflinePlayer; public class SendMessageServlet extends HttpServlet {
import org.dynmap.DynmapPlugin;
import org.dynmap.Event;
import org.dynmap.Log;
import org.dynmap.web.HttpField;
import org.dynmap.web.HttpHandler;
import org.dynmap.web.HttpMethod;
import org.dynmap.web.HttpRequest;
import org.dynmap.web.HttpResponse;
import org.dynmap.web.HttpStatus;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
public class SendMessageHandler implements HttpHandler {
protected static final Logger log = Logger.getLogger("Minecraft"); protected static final Logger log = Logger.getLogger("Minecraft");
private static final JSONParser parser = new JSONParser(); private static final JSONParser parser = new JSONParser();
public Event<Message> onMessageReceived = new Event<SendMessageHandler.Message>(); public Event<Message> onMessageReceived = new Event<Message>();
private Charset cs_utf8 = Charset.forName("UTF-8"); private Charset cs_utf8 = Charset.forName("UTF-8");
public int maximumMessageInterval = 1000; public int maximumMessageInterval = 1000;
public boolean hideip = false; public boolean hideip = false;
public boolean trustclientname = false; public boolean trustclientname = false;
public boolean use_player_login_ip = false;
public boolean require_player_login_ip = false;
public boolean check_user_ban = false;
public DynmapPlugin plug_in;
public String spamMessage = "\"You may only chat once every %interval% seconds.\""; public String spamMessage = "\"You may only chat once every %interval% seconds.\"";
private HashMap<String, WebUser> disallowedUsers = new HashMap<String, WebUser>(); private HashMap<String, WebUser> disallowedUsers = new HashMap<String, WebUser>();
private LinkedList<WebUser> disallowedUserQueue = new LinkedList<WebUser>(); private LinkedList<WebUser> disallowedUserQueue = new LinkedList<WebUser>();
private Object disallowedUsersLock = new Object(); private Object disallowedUsersLock = new Object();
private HashMap<String,String> useralias = new HashMap<String,String>(); private HashMap<String,String> useralias = new HashMap<String,String>();
private int aliasindex = 1; private int aliasindex = 1;
public boolean use_player_login_ip = false;
public boolean require_player_login_ip = false;
public boolean check_user_ban = false;
public DynmapPlugin plug_in;
@Override @Override
public void handle(String path, HttpRequest request, HttpResponse response) throws Exception { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
if (!request.method.equals(HttpMethod.Post)) { InputStreamReader reader = new InputStreamReader(request.getInputStream(), cs_utf8);
response.status = HttpStatus.MethodNotAllowed;
response.fields.put(HttpField.Accept, HttpMethod.Post); JSONObject o = null;
try {
o = (JSONObject)parser.parse(reader);
} catch (ParseException e) {
response.sendError(HttpStatus.BadRequest.getCode());
return; return;
} }
InputStreamReader reader = new InputStreamReader(request.body, cs_utf8);
JSONObject o = (JSONObject)parser.parse(reader);
final Message message = new Message(); final Message message = new Message();
message.name = ""; message.name = "";
@ -59,44 +63,39 @@ public class SendMessageHandler implements HttpHandler {
} }
boolean isip = true; boolean isip = true;
if((message.name == null) || message.name.equals("")) { if((message.name == null) || message.name.equals("")) {
/* If proxied client address, get original */ /* If proxied client address, get original */
if(request.fields.containsKey("X-Forwarded-For")) if(request.getHeader("X-Forwarded-For") != null)
message.name = request.fields.get("X-Forwarded-For"); message.name = request.getHeader("X-Forwarded-For");
/* If from loopback, we're probably getting from proxy - need to trust client */ /* If from loopback, we're probably getting from proxy - need to trust client */
else if(request.rmtaddr.getAddress().isLoopbackAddress()) else if(request.getRemoteAddr() == "127.0.0.1")
message.name = String.valueOf(o.get("name")); message.name = String.valueOf(o.get("name"));
else else
message.name = request.rmtaddr.getAddress().getHostAddress(); message.name = request.getRemoteAddr();
} }
if(use_player_login_ip) { if (use_player_login_ip) {
List<String> ids = plug_in.getIDsForIP(message.name); List<String> ids = plug_in.getIDsForIP(message.name);
if(ids != null) { if (ids != null) {
String id = ids.get(0); String id = ids.get(0);
if(check_user_ban) { if (check_user_ban) {
OfflinePlayer p = plug_in.getServer().getOfflinePlayer(id); OfflinePlayer p = plug_in.getServer().getOfflinePlayer(id);
if((p != null) && p.isBanned()) { if ((p != null) && p.isBanned()) {
Log.info("Ignore message from '" + message.name + "' - banned player (" + id + ")"); Log.info("Ignore message from '" + message.name + "' - banned player (" + id + ")");
response.fields.put("Content-Length", "0"); response.sendError(HttpStatus.Forbidden.getCode());
response.status = HttpStatus.Forbidden;
response.getBody();
return; return;
} }
} }
message.name = ids.get(0); message.name = ids.get(0);
isip = false; isip = false;
} } else if (require_player_login_ip) {
else if(require_player_login_ip) {
Log.info("Ignore message from '" + message.name + "' - no matching player login recorded"); Log.info("Ignore message from '" + message.name + "' - no matching player login recorded");
response.fields.put("Content-Length", "0"); response.sendError(HttpStatus.Forbidden.getCode());
response.status = HttpStatus.Forbidden;
response.getBody();
return; return;
} }
} }
if(hideip && isip) { /* If hiding IP, find or assign alias */ if (hideip && isip) { /* If hiding IP, find or assign alias */
synchronized(disallowedUsersLock) { synchronized (disallowedUsersLock) {
String n = useralias.get(message.name); String n = useralias.get(message.name);
if(n == null) { /* Make ID */ if (n == null) { /* Make ID */
n = String.format("web-%03d", aliasindex); n = String.format("web-%03d", aliasindex);
aliasindex++; aliasindex++;
useralias.put(message.name, n); useralias.put(message.name, n);
@ -108,7 +107,7 @@ public class SendMessageHandler implements HttpHandler {
final long now = System.currentTimeMillis(); final long now = System.currentTimeMillis();
synchronized(disallowedUsersLock) { synchronized (disallowedUsersLock) {
// Allow users that user that are now allowed to send messages. // Allow users that user that are now allowed to send messages.
while (!disallowedUserQueue.isEmpty()) { while (!disallowedUserQueue.isEmpty()) {
WebUser wu = disallowedUserQueue.getFirst(); WebUser wu = disallowedUserQueue.getFirst();
@ -122,25 +121,21 @@ public class SendMessageHandler implements HttpHandler {
WebUser user = disallowedUsers.get(message.name); WebUser user = disallowedUsers.get(message.name);
if (user == null) { if (user == null) {
user = new WebUser() {{ user = new WebUser() {
name = message.name; {
nextMessageTime = now+maximumMessageInterval; name = message.name;
}}; nextMessageTime = now + maximumMessageInterval;
}
};
disallowedUsers.put(user.name, user); disallowedUsers.put(user.name, user);
disallowedUserQueue.add(user); disallowedUserQueue.add(user);
} else { } else {
response.fields.put("Content-Length", "0"); response.sendError(HttpStatus.Forbidden.getCode());
response.status = HttpStatus.Forbidden;
response.getBody();
return; return;
} }
} }
onMessageReceived.trigger(message); onMessageReceived.trigger(message);
response.fields.put(HttpField.ContentLength, "0");
response.status = HttpStatus.OK;
response.getBody();
} }
public static class Message { public static class Message {

6
src/main/java/org/dynmap/web/HttpHandler.java
View File

@ -1,6 +0,0 @@
package org.dynmap.web;
public interface HttpHandler {
void handle(String path, HttpRequest request, HttpResponse response) throws Exception;
}

15
src/main/java/org/dynmap/web/HttpRequest.java
View File

@ -1,15 +0,0 @@
package org.dynmap.web;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.net.InetSocketAddress;
public class HttpRequest {
public String method;
public String path;
public String version;
public Map<String, String> fields = new HashMap<String, String>();
public InputStream body;
public InetSocketAddress rmtaddr;
}

29
src/main/java/org/dynmap/web/HttpResponse.java
View File

@ -1,29 +0,0 @@
package org.dynmap.web;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
public class HttpResponse {
private HttpServerConnection connection;
public String version = "1.1";
public HttpStatus status = null;
public Map<String, String> fields = new HashMap<String, String>();
private OutputStream body;
public OutputStream getBody() throws IOException {
if (body != null) {
connection.writeResponseHeader(this);
OutputStream b = body;
body = null;
return b;
}
return null;
}
public HttpResponse(HttpServerConnection connection, OutputStream body) {
this.connection = connection;
this.body = body;
}
}

195
src/main/java/org/dynmap/web/HttpServer.java
View File

@ -1,195 +0,0 @@
package org.dynmap.web;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.logging.Logger;
import org.bukkit.plugin.Plugin;
import org.dynmap.Log;
public class HttpServer extends Thread {
protected static final Logger log = Logger.getLogger("Minecraft");
private ServerSocket sock = null;
private Thread listeningThread;
private InetAddress bindAddress;
private int port;
private boolean check_banned_ips;
private int max_sessions;
public SortedMap<String, HttpHandler> handlers = new TreeMap<String, HttpHandler>(Collections.reverseOrder());
private Object lock = new Object();
private HashSet<HttpServerConnection> active_connections = new HashSet<HttpServerConnection>();
private HashSet<HttpServerConnection> keepalive_connections = new HashSet<HttpServerConnection>();
private Plugin plugin;
private static Map<String, String> headers = new HashMap<String,String>();
public HttpServer(InetAddress bindAddress, int port, boolean check_banned_ips, int max_sessions, Plugin plg) {
this.bindAddress = bindAddress;
this.port = port;
this.check_banned_ips = check_banned_ips;
this.max_sessions = max_sessions;
this.plugin = plg;
}
public InetAddress getAddress() {
return bindAddress;
}
public int getPort() {
return port;
}
public void startServer() throws IOException {
sock = new ServerSocket(port, 50, bindAddress); /* 5 too low - more than a couple users during render will get connect errors on some tile loads */
listeningThread = this;
start();
Log.info("Dynmap WebServer started on " + bindAddress + ":" + port);
}
public void run() {
try {
ServerSocket s = sock;
while (listeningThread == Thread.currentThread()) {
try {
Socket socket = s.accept();
if(checkForBannedIp(socket.getRemoteSocketAddress())) {
try { socket.close(); } catch (IOException iox) {}
socket = null;
}
HttpServerConnection requestThread = new HttpServerConnection(socket, this);
synchronized(lock) {
active_connections.add(requestThread);
requestThread.start();
/* If we're at limit, wait here until we're free to accept another */
while((listeningThread == Thread.currentThread()) &&
(active_connections.size() >= max_sessions)) {
lock.wait(500);
}
}
} catch (IOException e) {
if(listeningThread != null) /* Only report this if we didn't initiate the shutdown */
Log.info("map WebServer.run() stops with IOException");
break;
}
}
Log.info("Webserver shut down.");
} catch (Exception ex) {
Log.severe("Exception on WebServer-thread", ex);
}
}
public void shutdown() {
Log.info("Shutting down webserver...");
listeningThread = null;
try {
if (sock != null) {
sock.close();
sock = null;
}
/* And kill off the active connections */
HashSet<HttpServerConnection> sc;
synchronized(lock) {
sc = new HashSet<HttpServerConnection>(active_connections);
}
for(HttpServerConnection c : sc) {
c.shutdownConnection();
}
} catch (IOException e) {
Log.warning("Exception while closing socket for webserver shutdown", e);
}
}
public boolean canKeepAlive(HttpServerConnection c) {
synchronized(lock) {
/* If less than half of our limit are keep-alive, approve */
if(keepalive_connections.size() < (max_sessions/2)) {
keepalive_connections.add(c);
return true;
}
}
return false;
}
public void connectionEnded(HttpServerConnection c) {
synchronized(lock) {
active_connections.remove(c);
keepalive_connections.remove(c);
lock.notifyAll();
}
}
private HashSet<String> banned_ips = new HashSet<String>();
private HashSet<String> banned_ips_notified = new HashSet<String>();
private long last_loaded = 0;
private long lastmod = 0;
private static final long BANNED_RELOAD_INTERVAL = 15000; /* Every 15 seconds */
private void loadBannedIPs() {
banned_ips.clear();
banned_ips_notified.clear();
banned_ips.addAll(plugin.getServer().getIPBans());
}
/* Return true if address is banned */
public boolean checkForBannedIp(SocketAddress socketAddress) {
if(!check_banned_ips)
return false;
long t = System.currentTimeMillis();
if((t < last_loaded) || ((t-last_loaded) > BANNED_RELOAD_INTERVAL)) {
loadBannedIPs();
last_loaded = t;
}
/* Follow same technique as MC uses - toString the SocketAddress and clip out string between "/" and ":" */
String ip = socketAddress.toString();
ip = ip.substring(ip.indexOf("/") + 1);
ip = ip.substring(0, ip.indexOf(":"));
if(banned_ips.contains(ip)) {
if(banned_ips_notified.contains(ip) == false) {
Log.info("Rejected connection by banned IP address - " + socketAddress.toString());
banned_ips_notified.add(ip);
}
return true;
}
return false;
}
/* Return true if address is banned */
public boolean checkForBannedIp(String ipaddr) {
if(!check_banned_ips)
return false;
long t = System.currentTimeMillis();
if((t < last_loaded) || ((t-last_loaded) > BANNED_RELOAD_INTERVAL)) {
loadBannedIPs();
last_loaded = t;
}
if(banned_ips.contains(ipaddr)) {
if(banned_ips_notified.contains(ipaddr) == false) {
Log.info("Rejected connection by banned IP address - " + ipaddr);
banned_ips_notified.add(ipaddr);
}
return true;
}
return false;
}
public static Map<String,String> getCustomHeaders() {
return headers;
}
public static void setCustomHeaders(Map<String,String> hdrs) {
headers = hdrs;
}
}

282
src/main/java/org/dynmap/web/HttpServerConnection.java
View File

@ -1,282 +0,0 @@
package org.dynmap.web;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.StringWriter;
import java.net.Socket;
import java.net.URLDecoder;
import java.util.Map.Entry;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.dynmap.Log;
import org.dynmap.debug.Debug;
import java.net.InetSocketAddress;
public class HttpServerConnection extends Thread {
protected static final Logger log = Logger.getLogger("Minecraft");
private static Pattern requestHeaderLine = Pattern.compile("^(\\S+)\\s+(\\S+)\\s+HTTP/(.+)$");
private static Pattern requestHeaderField = Pattern.compile("^([^:]+):\\s*(.+)$");
private Socket socket;
private HttpServer server;
private boolean do_shutdown;
private boolean can_keepalive;
private PrintStream printOut;
private StringWriter sw = new StringWriter();
private Matcher requestHeaderLineMatcher;
private Matcher requestHeaderFieldMatcher;
public HttpServerConnection(Socket socket, HttpServer server) {
this.socket = socket;
this.server = server;
do_shutdown = false;
can_keepalive = false;
}
private final static void readLine(InputStream in, StringWriter sw) throws IOException {
int readc;
while((readc = in.read()) > 0) {
char c = (char)readc;
if (c == '\n')
break;
else if (c != '\r')
sw.append(c);
}
}
private final String readLine(InputStream in) throws IOException {
readLine(in, sw);
String r = sw.toString();
sw.getBuffer().setLength(0);
return r;
}
private final boolean readRequestHeader(InputStream in, HttpRequest request) throws IOException {
String statusLine = readLine(in);
if (statusLine == null)
return false;
if (requestHeaderLineMatcher == null) {
requestHeaderLineMatcher = requestHeaderLine.matcher(statusLine);
} else {
requestHeaderLineMatcher.reset(statusLine);
}
Matcher m = requestHeaderLineMatcher;
if (!m.matches())
return false;
request.method = m.group(1);
request.path = m.group(2);
request.version = m.group(3);
String line;
while (!(line = readLine(in)).equals("")) {
if (requestHeaderFieldMatcher == null) {
requestHeaderFieldMatcher = requestHeaderField.matcher(line);
} else {
requestHeaderFieldMatcher.reset(line);
}
m = requestHeaderFieldMatcher;
// Warning: unknown lines are ignored.
if (m.matches()) {
String fieldName = m.group(1);
String fieldValue = m.group(2);
// TODO: Does not support duplicate field-names.
request.fields.put(fieldName, fieldValue);
}
}
return true;
}
public static final void writeResponseHeader(PrintStream out, HttpResponse response) throws IOException {
out.append("HTTP/");
out.append(response.version);
out.append(" ");
out.append(String.valueOf(response.status.getCode()));
out.append(" ");
out.append(response.status.getText());
out.append("\r\n");
for (Entry<String, String> field : response.fields.entrySet()) {
out.append(field.getKey());
out.append(": ");
out.append(field.getValue());
out.append("\r\n");
}
for(Entry<String, String> custom : HttpServer.getCustomHeaders().entrySet()) {
out.append(custom.getKey());
out.append(": ");
out.append(custom.getValue());
out.append("\r\n");
}
out.append("\r\n");
out.flush();
}
public final void writeResponseHeader(HttpResponse response) throws IOException {
writeResponseHeader(printOut, response);
}
public void run() {
try {
if (socket == null)
return;
socket.setSoTimeout(5000);
socket.setTcpNoDelay(true);
InetSocketAddress rmtaddr = (InetSocketAddress)socket.getRemoteSocketAddress(); /* Get remote address */
InputStream in = socket.getInputStream();
BufferedOutputStream out = new BufferedOutputStream(socket.getOutputStream(), 40960);
printOut = new PrintStream(out, false);
while (true) {
/* Check for start of each request - kicks out persistent connections */
if(server.checkForBannedIp(rmtaddr)) {
return;
}
HttpRequest request = new HttpRequest();
request.rmtaddr = rmtaddr;
if (!readRequestHeader(in, request)) {
return;
}
String fwd_for = request.fields.get("X-Forwarded-For");
if(fwd_for != null) {
String[] ff = fwd_for.split(",");
for(int i = 0; i < ff.length; i++) {
if(server.checkForBannedIp(ff[i]))
return;
}
}
long bound = -1;
BoundInputStream boundBody = null;
{
String contentLengthStr = request.fields.get(HttpField.ContentLength);
if (contentLengthStr != null) {
try {
bound = Long.parseLong(contentLengthStr);
} catch (NumberFormatException e) {
}
if (bound >= 0) {
request.body = boundBody = new BoundInputStream(in, bound);
} else {
request.body = in;
}
}
}
boolean iskeepalive = false;
String keepalive = request.fields.get(HttpField.Connection);
if((keepalive != null) && (keepalive.toLowerCase().indexOf("keep-alive") >= 0)) {
/* See if we're clear to do keepalive */
if(!iskeepalive)
iskeepalive = server.canKeepAlive(this);
}
// TODO: Optimize HttpHandler-finding by using a real path-aware tree.
HttpHandler handler = null;
String relativePath = null;
for (Entry<String, HttpHandler> entry : server.handlers.entrySet()) {
String key = entry.getKey();
boolean directoryHandler = key.endsWith("/");
if (directoryHandler && request.path.startsWith(entry.getKey()) || !directoryHandler && request.path.equals(entry.getKey())) {
relativePath = request.path.substring(entry.getKey().length());
relativePath = URLDecoder.decode(relativePath,"utf-8");
handler = entry.getValue();
break;
}
/* Wildcard handler for non-directory matches */
else if(key.endsWith("*") && request.path.startsWith(key.substring(0, key.length()-1))) { relativePath = request.path.substring(entry.getKey().length());
relativePath = request.path.substring(entry.getKey().length()-1);
relativePath = URLDecoder.decode(relativePath,"utf-8");
handler = entry.getValue();
break;
}
}
if (handler == null) {
return;
}
HttpResponse response = new HttpResponse(this, out);
if(iskeepalive) {
response.fields.put(HttpField.Connection, "keep-alive");
response.fields.put("Keep-Alive", "timeout=5");
}
else {
response.fields.put(HttpField.Connection, "close");
}
try {
handler.handle(relativePath, request, response);
} catch (IOException e) {
throw e;
} catch (Exception e) {
Log.severe("HttpHandler '" + handler + "' has thown an exception", e);
out.flush();
return;
}
if (bound > 0 && boundBody.skip(bound) < bound) {
Debug.debug("Incoming stream was only read partially by handler '" + handler + "'.");
//socket.close();
//return;
}
boolean isKeepalive = iskeepalive && !"close".equals(request.fields.get(HttpField.Connection)) && !"close".equals(response.fields.get(HttpField.Connection));
String contentLength = response.fields.get("Content-Length");
if (isKeepalive && contentLength == null) {
// A handler has been a bad boy, but we're here to fix it.
response.fields.put("Content-Length", "0");
OutputStream responseBody = response.getBody();
// The HttpHandler has already send the headers and written to the body without setting the Content-Length.
if (responseBody == null) {
Debug.debug("Response was given without Content-Length by '" + handler + "' for path '" + request.path + "'.");
out.flush();
return;
}
}
out.flush();
if (!isKeepalive) {
return;
}
}
} catch (IOException e) {
} catch (Exception e) {
if(!do_shutdown) {
Log.severe("Exception while handling request: ", e);
e.printStackTrace();
}
} finally {
if (socket != null) {
try {
socket.close();
} catch (IOException ex) {
}
}
server.connectionEnded(this);
}
}
public void shutdownConnection() {
try {
do_shutdown = true;
if(socket != null) {
socket.close();
}
join(); /* Wait for thread to die */
} catch (IOException iox) {
} catch (InterruptedException ix) {
}
}
}

50
src/main/java/org/dynmap/web/handlers/ClientConfigurationHandler.java
View File

@ -1,50 +0,0 @@
package org.dynmap.web.handlers;
import java.io.BufferedOutputStream;
import java.util.Date;
import org.dynmap.DynmapPlugin;
import org.dynmap.DynmapWorld;
import org.dynmap.Event;
import org.dynmap.web.HttpHandler;
import org.dynmap.web.HttpRequest;
import org.dynmap.web.HttpResponse;
import org.dynmap.web.HttpStatus;
import org.json.simple.JSONObject;
public class ClientConfigurationHandler implements HttpHandler {
private DynmapPlugin plugin;
private byte[] cachedConfiguration = null;
public ClientConfigurationHandler(DynmapPlugin plugin) {
this.plugin = plugin;
plugin.events.addListener("worldactivated", new Event.Listener<DynmapWorld>() {
@Override
public void triggered(DynmapWorld t) {
cachedConfiguration = null;
}
});
}
@Override
public void handle(String path, HttpRequest request, HttpResponse response) throws Exception {
if (cachedConfiguration == null) {
JSONObject configurationObject = new JSONObject();
plugin.events.<JSONObject>trigger("buildclientconfiguration", configurationObject);
String s = configurationObject.toJSONString();
cachedConfiguration = s.getBytes("UTF-8");
}
String dateStr = new Date().toString();
response.fields.put("Date", dateStr);
response.fields.put("Content-Type", "text/plain; charset=utf-8");
response.fields.put("Expires", "Thu, 01 Dec 1994 16:00:00 GMT");
response.fields.put("Last-modified", dateStr);
response.fields.put("Content-Length", Integer.toString(cachedConfiguration.length));
response.status = HttpStatus.OK;
BufferedOutputStream out = null;
out = new BufferedOutputStream(response.getBody());
out.write(cachedConfiguration);
out.flush();
}
}

78
src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java
View File

@ -1,78 +0,0 @@
package org.dynmap.web.handlers;
import java.io.BufferedOutputStream;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.dynmap.ClientUpdateEvent;
import org.dynmap.DynmapPlugin;
import org.dynmap.DynmapWorld;
import org.dynmap.web.HttpField;
import org.dynmap.web.HttpHandler;
import org.dynmap.web.HttpRequest;
import org.dynmap.web.HttpResponse;
import org.dynmap.web.HttpStatus;
import org.json.simple.JSONObject;
import static org.dynmap.JSONUtils.*;
public class ClientUpdateHandler implements HttpHandler {
private DynmapPlugin plugin;
public ClientUpdateHandler(DynmapPlugin plugin) {
this.plugin = plugin;
}
Pattern updatePathPattern = Pattern.compile("world/([^/]+)/([0-9]*)");
private static final HttpStatus WorldNotFound = new HttpStatus(HttpStatus.NotFound.getCode(), "World Not Found");
@Override
public void handle(String path, HttpRequest request, HttpResponse response) throws Exception {
Matcher match = updatePathPattern.matcher(path);
if (!match.matches()) {
response.status = HttpStatus.Forbidden;
return;
}
String worldName = match.group(1);
String timeKey = match.group(2);
DynmapWorld dynmapWorld = null;
if(plugin.mapManager != null) {
dynmapWorld = plugin.mapManager.getWorld(worldName);
}
if (dynmapWorld == null || dynmapWorld.world == null) {
response.status = WorldNotFound;
return;
}
long current = System.currentTimeMillis();
long since = 0;
if (path.length() > 0) {
try {
since = Long.parseLong(timeKey);
} catch (NumberFormatException e) {
}
}
JSONObject u = new JSONObject();
s(u, "timestamp", current);
plugin.events.trigger("buildclientupdate", new ClientUpdateEvent(since, dynmapWorld, u));
byte[] bytes = u.toJSONString().getBytes("UTF-8");
String dateStr = new Date().toString();
response.fields.put(HttpField.Date, dateStr);
response.fields.put(HttpField.ContentType, "text/plain; charset=utf-8");
response.fields.put(HttpField.Expires, "Thu, 01 Dec 1994 16:00:00 GMT");
response.fields.put(HttpField.LastModified, dateStr);
response.fields.put(HttpField.ContentLength, Integer.toString(bytes.length));
response.status = HttpStatus.OK;
BufferedOutputStream out = null;
out = new BufferedOutputStream(response.getBody());
out.write(bytes);
out.flush();
}
}

121
src/main/java/org/dynmap/web/handlers/FileHandler.java
View File

@ -1,121 +0,0 @@
package org.dynmap.web.handlers;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import java.util.logging.Logger;
import org.dynmap.web.HttpField;
import org.dynmap.web.HttpHandler;
import org.dynmap.web.HttpRequest;
import org.dynmap.web.HttpResponse;
import org.dynmap.web.HttpStatus;
public abstract class FileHandler implements HttpHandler {
protected static final Logger log = Logger.getLogger("Minecraft");
private LinkedList<byte[]> bufferpool = new LinkedList<byte[]>();
private Object lock = new Object();
private static final int MAX_FREE_IN_POOL = 2;
private static Map<String, String> mimes = new HashMap<String, String>();
static {
mimes.put(".html", "text/html");
mimes.put(".htm", "text/html");
mimes.put(".js", "text/javascript");
mimes.put(".png", "image/png");
mimes.put(".jpg", "image/jpeg");
mimes.put(".css", "text/css");
mimes.put(".txt", "text/plain");
}
public static final String getMimeTypeFromExtension(String extension) {
String m = mimes.get(extension);
if (m != null)
return m;
return "application/octet-steam";
}
protected abstract InputStream getFileInput(String path, HttpRequest request, HttpResponse response);
protected void closeFileInput(String path, InputStream in) throws IOException {
in.close();
}
protected String getExtension(String path) {
int dotindex = path.lastIndexOf('.');
if (dotindex > 0)
return path.substring(dotindex);
return null;
}
protected final String formatPath(String path) {
int qmark = path.indexOf('?');
if (qmark >= 0)
path = path.substring(0, qmark);
if (path.startsWith("/") || path.startsWith("."))
return null;
if (path.length() == 0)
path = getDefaultFilename(path);
return path;
}
protected String getDefaultFilename(String path) {
return path + "index.html";
}
private byte[] allocateReadBuffer() {
byte[] buf;
synchronized(lock) {
buf = bufferpool.poll();
}
if(buf == null) {
buf = new byte[40960];
}
return buf;
}
private void freeReadBuffer(byte[] buf) {
synchronized(lock) {
if(bufferpool.size() < MAX_FREE_IN_POOL)
bufferpool.push(buf);
}
}
@Override
public void handle(String path, HttpRequest request, HttpResponse response) throws Exception {
InputStream fileInput = null;
try {
path = formatPath(path);
fileInput = getFileInput(path, request, response);
if (fileInput == null) {
response.status = HttpStatus.NotFound;
return;
}
String extension = getExtension(path);
String mimeType = getMimeTypeFromExtension(extension);
response.fields.put(HttpField.ContentType, mimeType);
response.status = HttpStatus.OK;
OutputStream out = response.getBody();
byte[] readBuffer = allocateReadBuffer();
try {
int readBytes;
while ((readBytes = fileInput.read(readBuffer)) > 0) {
out.write(readBuffer, 0, readBytes);
}
} finally {
freeReadBuffer(readBuffer);
}
} finally {
if (fileInput != null) {
try { closeFileInput(path, fileInput); fileInput = null; } catch (IOException ex) { }
}
}
}
}

94
src/main/java/org/dynmap/web/handlers/FilesystemHandler.java
View File

@ -1,94 +0,0 @@
package org.dynmap.web.handlers;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import org.dynmap.Log;
import org.dynmap.utils.FileLockManager;
import org.dynmap.web.HttpField;
import org.dynmap.web.HttpRequest;
import org.dynmap.web.HttpResponse;
public class FilesystemHandler extends FileHandler {
private File root;
private boolean allow_symlinks = false;
private String root_path;
public FilesystemHandler(File root, boolean allow_symlinks) {
if (!root.isDirectory())
throw new IllegalArgumentException();
this.root = root;
this.allow_symlinks = allow_symlinks;
this.root_path = root.getAbsolutePath();
}
@Override
protected InputStream getFileInput(String path, HttpRequest request, HttpResponse response) {
if(path == null) return null;
path = getNormalizedPath(path); /* Resolve out relative stuff - nothing allowed above webroot */
File file = new File(root, path);
if(!file.isFile())
return null;
if(!FileLockManager.getReadLock(file, 5000)) { /* Wait up to 5 seconds for lock */
Log.severe("Timeout waiting for lock on file " + file.getPath());
return null;
}
FileInputStream result = null;
try {
String fpath;
if(allow_symlinks)
fpath = file.getAbsolutePath();
else
fpath = file.getCanonicalPath();
if (fpath.startsWith(root_path)) {
try {
result = new FileInputStream(file);
} catch (FileNotFoundException e) {
return null;
}
response.fields.put(HttpField.ContentLength, Long.toString(file.length()));
return result;
}
} catch(IOException ex) {
Log.severe("Unable to get canoical path of requested file.", ex);
} finally {
if(result == null) FileLockManager.releaseReadLock(file);
}
return null;
}
protected void closeFileInput(String path, InputStream in) throws IOException {
path = getNormalizedPath(path);
try {
super.closeFileInput(path, in);
} finally {
File file = new File(root, path);
FileLockManager.releaseReadLock(file);
}
}
public static String getNormalizedPath(String p) {
p = p.replace('\\', '/');
String[] tok = p.split("/");
int i, j;
for(i = 0, j = 0; i < tok.length; i++) {
if((tok[i] == null) || (tok[i].length() == 0) || (tok[i].equals("."))) {
tok[i] = null;
}
else if(tok[i].equals("..")) {
if(j > 0) { j--; tok[j] = null; }
tok[i] = null;
}
else {
tok[j] = tok[i];
j++;
}
}
String path = "";
for(i = 0; i < j; i++) {
if(tok[i] != null)
path = path + "/" + tok[i];
}
return path;
}
}

19
src/main/java/org/dynmap/web/handlers/JarFileHandler.java
View File

@ -1,19 +0,0 @@
package org.dynmap.web.handlers;
import java.io.InputStream;
import org.dynmap.web.HttpRequest;
import org.dynmap.web.HttpResponse;
public class JarFileHandler extends FileHandler {
private String root;
public JarFileHandler(String root) {
if (root.endsWith("/")) root = root.substring(0, root.length()-1);
this.root = root;
}
@Override
protected InputStream getFileInput(String path, HttpRequest request, HttpResponse response) {
return this.getClass().getResourceAsStream(root + "/" + path);
}
}