Complete rework of Dispatch, Added DebugMode

.gitignore

@@ -54,12 +54,14 @@ tmp/
 # Grasscutter
 resources/*
 logs/*
+plugins/*
 data/AbilityEmbryos.json
 data/OpenConfig.json
 GM Handbook.txt
 config.json
 mitmdump.exe
 *.jar
+!lib/*.jar
 mongod.exe
 /src/generated/
-/*.sh
+/*.sh

build.gradle

@@ -16,18 +16,22 @@ buildscript {
 }
 
 plugins {
+    // Apply the application plugin to add support for building a CLI application
+    id 'application'
+
     // Apply the java plugin to add support for Java
     id 'java'
 
     // Apply the protobuf auto generator
     id 'com.google.protobuf' version "0.8.18"
-    id 'idea'
 
+    // Eclipse Support
     id 'eclipse'
 
-    // Apply the application plugin to add support for building a CLI application
-    id 'application'
+    // Intelij Support
+    id 'idea'
 
+    // Maven
     id 'maven-publish'
     id 'signing'
 }

src/main/java/emu/grasscutter/Config.java

@@ -13,6 +13,7 @@ public final class Config {
 	public String SCRIPTS_FOLDER = "./resources/Scripts/";
 	public String PLUGINS_FOLDER = "./plugins/";
 
+	public String DebugMode = "NONE"; // ALL, MISSING, NONE
 	public String RunMode = "HYBRID"; // HYBRID, DISPATCH_ONLY, GAME_ONLY
 	public GameServerOptions GameServer = new GameServerOptions();
 	public DispatchServerOptions DispatchServer = new DispatchServerOptions();
@@ -60,8 +61,6 @@ public final class Config {
 		public String DispatchServerDatabaseUrl = "mongodb://localhost:27017";
 		public String DispatchServerDatabaseCollection = "grasscutter";
 
-		public boolean LOG_PACKETS = false;
-
 		public int InventoryLimitWeapon = 2000;
 		public int InventoryLimitRelic = 2000;
 		public int InventoryLimitMaterial = 2000;

src/main/java/emu/grasscutter/server/dispatch/DispatchHttpJsonHandler.java

@@ -2,26 +2,41 @@ package emu.grasscutter.server.dispatch;
 
 import java.io.IOException;
 import java.io.OutputStream;
+import java.util.Arrays;
 import java.util.Collections;
 
 import com.sun.net.httpserver.HttpExchange;
 import com.sun.net.httpserver.HttpHandler;
+import emu.grasscutter.Grasscutter;
+import express.http.HttpContextHandler;
+import express.http.Request;
+import express.http.Response;
 
-public final class DispatchHttpJsonHandler implements HttpHandler {
+public final class DispatchHttpJsonHandler implements HttpContextHandler {
 	private final String response;
+	private final String[] missingRoutes = { // TODO: When http requests for theses routes are found please remove it from this list and update the route request type in the DispatchServer
+			"/common/hk4e_global/announcement/api/getAlertPic",
+			"/common/hk4e_global/announcement/api/getAlertAnn",
+			"/common/hk4e_global/announcement/api/getAnnList",
+			"/common/hk4e_global/announcement/api/getAnnContent",
+			"/hk4e_global/mdk/shopwindow/shopwindow/listPriceTier",
+			"/log/sdk/upload",
+			"/sdk/upload",
+			"/perf/config/verify",
+			"/log",
+			"/crash/dataUpload"
+	};
 	
 	public DispatchHttpJsonHandler(String response) {
 		this.response = response;
 	}
 
 	@Override
-	public void handle(HttpExchange t) throws IOException {
-        // Set the response header status and length
-        t.getResponseHeaders().put("Content-Type", Collections.singletonList("application/json"));
-        t.sendResponseHeaders(200, response.getBytes().length);
-        // Write the response string
-        OutputStream os = t.getResponseBody();
-        os.write(response.getBytes());
-        os.close();
+	public void handle(Request req, Response res) throws IOException {
+		// Checking for ALL here isn't required as when ALL is enabled enableDevLogging() gets enabled
+		if(Grasscutter.getConfig().DebugMode.equalsIgnoreCase("MISSING") && Arrays.stream(missingRoutes).anyMatch(x -> x == req.baseUrl())) {
+			Grasscutter.getLogger().info(String.format("[Dispatch] Client %s %s request: ", req.ip(), req.method(), req.baseUrl()) + (Grasscutter.getConfig().DebugMode.equalsIgnoreCase("MISSING") ? "(MISSING)" : ""));
+			res.send(response.getBytes());
+		}
 	}
 }

src/main/java/emu/grasscutter/server/dispatch/DispatchServer.java

@@ -3,10 +3,6 @@ package emu.grasscutter.server.dispatch;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.protobuf.ByteString;
-import com.sun.net.httpserver.HttpExchange;
-import com.sun.net.httpserver.HttpServer;
-import com.sun.net.httpserver.HttpsConfigurator;
-import com.sun.net.httpserver.HttpsServer;
 
 import emu.grasscutter.Config;
 import emu.grasscutter.Grasscutter;
@@ -21,52 +17,37 @@ import emu.grasscutter.server.dispatch.json.ComboTokenReqJson.LoginTokenData;
 import emu.grasscutter.server.event.dispatch.QueryAllRegionsEvent;
 import emu.grasscutter.server.event.dispatch.QueryCurrentRegionEvent;
 import emu.grasscutter.utils.FileUtils;
-import emu.grasscutter.utils.Utils;
+import express.Express;
+import org.eclipse.jetty.server.Connector;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.ServerConnector;
+import org.eclipse.jetty.util.ssl.SslContextFactory;
 
-import javax.net.ssl.KeyManagerFactory;
-import javax.net.ssl.SSLContext;
 import java.io.*;
-import java.net.BindException;
-import java.net.InetSocketAddress;
-import java.net.URI;
 import java.net.URLDecoder;
-import java.nio.charset.StandardCharsets;
-import java.security.KeyStore;
 import java.util.*;
 
 public final class DispatchServer {
 	public static String query_region_list = "";
 	public static String query_cur_region = "";
 
-	private final InetSocketAddress address;
 	private final Gson gson;
 	private final String defaultServerName = "os_usa";
 
 	public String regionListBase64;
 	public HashMap<String, RegionData> regions;
-	private HttpServer server;
+	private Express httpServer;
 
 	public DispatchServer() {
 		this.regions = new HashMap<String, RegionData>();
-		this.address = new InetSocketAddress(Grasscutter.getConfig().getDispatchOptions().Ip,
-				Grasscutter.getConfig().getDispatchOptions().Port);
 		this.gson = new GsonBuilder().create();
 
 		this.loadQueries();
 		this.initRegion();
 	}
 
-	@Deprecated
-	public HttpServer getServer() {
-		return server;
-	}
-	
-	public HttpServer getHttpServer() {
-		return server;
-	}
-
-	public InetSocketAddress getAddress() {
-		return address;
+	public Express getServer() {
+		return httpServer;
 	}
 
 	public Gson getGsonFactory() {
@@ -126,7 +107,7 @@ public final class DispatchServer {
 										+ (Grasscutter.getConfig().getDispatchOptions().PublicPort != 0
 												? Grasscutter.getConfig().getDispatchOptions().PublicPort
 												: Grasscutter.getConfig().getDispatchOptions().Port)
-										+ "/query_cur_region_" + defaultServerName)
+										+ "/query_cur_region/" + defaultServerName)
 						.build();
 				usedNames.add(defaultServerName);
 				servers.add(server);
@@ -169,7 +150,9 @@ public final class DispatchServer {
 										+ (Grasscutter.getConfig().getDispatchOptions().PublicIp.isEmpty()
 												? Grasscutter.getConfig().getDispatchOptions().Ip
 												: Grasscutter.getConfig().getDispatchOptions().PublicIp)
-										+ ":" + getAddress().getPort() + "/query_cur_region_" + regionInfo.Name)
+										+ ":" + (Grasscutter.getConfig().getDispatchOptions().PublicPort != 0
+										? Grasscutter.getConfig().getDispatchOptions().PublicPort
+										: Grasscutter.getConfig().getDispatchOptions().Port) + "/query_cur_region/" + regionInfo.Name)
 						.build();
 				usedNames.add(regionInfo.Name);
 				servers.add(server);
@@ -199,121 +182,101 @@ public final class DispatchServer {
 		}
 	}
 
-	private HttpServer safelyCreateServer(InetSocketAddress address) {
-		try {
-			return HttpServer.create(address, 0);
-		} catch (BindException ignored) {
-			Grasscutter.getLogger().error("Unable to bind to port: " + getAddress().getPort() + " (HTTP)");
-		} catch (Exception exception) {
-			Grasscutter.getLogger().error("Unable to start HTTP server.", exception);
-		}
-		return null;
-	}
-	
-	private KeyManagerFactory createKeyManagerFactory(File keystore, String password) {
-		char[] pass = password.toCharArray();
-		KeyManagerFactory kmf = null;
-		
-		try (FileInputStream fis = new FileInputStream(keystore)) {
-			
-			KeyStore ks = KeyStore.getInstance("PKCS12");
-			ks.load(fis, pass);
-			
-			kmf = KeyManagerFactory.getInstance("SunX509");
-			kmf.init(ks, pass);
-		} catch (Exception exception) {
-			Grasscutter.getLogger().error("Unable to load keystore.", exception);
-		}
-		
-		return kmf;
-	}
-
 	public void start() throws Exception {
-		if (Grasscutter.getConfig().getDispatchOptions().UseSSL) {
-			// Keystore
-			SSLContext sslContext = SSLContext.getInstance("TLS");
-			KeyManagerFactory kmf = null;
-			File keystoreFile = new File(Grasscutter.getConfig().getDispatchOptions().KeystorePath);
-			
-			if (keystoreFile.exists()) {
-				try {
-					kmf = createKeyManagerFactory(keystoreFile, Grasscutter.getConfig().getDispatchOptions().KeystorePassword);
-				} catch (Exception e) {
-					Grasscutter.getLogger().warn("[Dispatch] Unable to load keystore. Trying default keystore password...");
-					
-					try {
-						kmf = createKeyManagerFactory(keystoreFile, "123456");
-						Grasscutter.getLogger().warn(
-							"[Dispatch] The default keystore password was loaded successfully. Please consider setting the password to '123456' in config.json.");
-					} catch (Exception e2) {
-						Grasscutter.getLogger().warn("[Dispatch] Error while loading keystore!", e2);
+		httpServer = new Express(config -> {
+			config.server(() -> {
+				Server server = new Server();
+				ServerConnector serverConnector;
+
+				if(Grasscutter.getConfig().getDispatchOptions().UseSSL) {
+					SslContextFactory.Server sslContextFactory = new SslContextFactory.Server();
+					File keystoreFile = new File(Grasscutter.getConfig().getDispatchOptions().KeystorePath);
+
+					if(keystoreFile.exists()) {
+						try {
+							sslContextFactory.setKeyStorePath(keystoreFile.getPath());
+							sslContextFactory.setKeyStorePassword(Grasscutter.getConfig().getDispatchOptions().KeystorePassword);
+						} catch (Exception e) {
+							e.printStackTrace();
+							Grasscutter.getLogger().warn("[Dispatch] Unable to load keystore. Trying default keystore password...");
+
+							try {
+								sslContextFactory.setKeyStorePath(keystoreFile.getPath());
+								sslContextFactory.setKeyStorePassword("123456");
+								Grasscutter.getLogger().warn("[Dispatch] The default keystore password was loaded successfully. Please consider setting the password to 123456 in config.json.");
+							} catch (Exception e2) {
+								Grasscutter.getLogger().warn("[Dispatch] Error while loading keystore!");
+								e2.printStackTrace();
+							}
+						}
+
+						serverConnector = new ServerConnector(server, sslContextFactory);
+					} else {
+						Grasscutter.getLogger().warn("[Dispatch] No SSL cert found! Falling back to HTTP server.");
+						Grasscutter.getConfig().getDispatchOptions().UseSSL = false;
+
+						serverConnector = new ServerConnector(server);
 					}
+				} else {
+					serverConnector = new ServerConnector(server);
 				}
-			}
-			
-			if (kmf == null) {
-				Grasscutter.getLogger().warn("[Dispatch] No SSL cert found! Falling back to HTTP server.");
-				Grasscutter.getConfig().getDispatchOptions().UseSSL = false;
-				server = this.safelyCreateServer(this.getAddress());
-			}
-			
-			HttpsServer httpsServer;
-			
-			try {
-				httpsServer = HttpsServer.create(getAddress(), 0);
-				sslContext.init(kmf.getKeyManagers(), null, null);
-				httpsServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
-				server = httpsServer;
-			} catch (BindException e) {
-				Grasscutter.getLogger().error("Unable to bind to port: " + getAddress().getPort() + " (HTTPS)");
-			}
-		} else {
-			server = this.safelyCreateServer(this.getAddress());
-		}
 
-		if (server == null)
-			throw new NullPointerException("An HTTP server was not created.");
+				serverConnector.setPort(Grasscutter.getConfig().getDispatchOptions().Port);
+				server.setConnectors(new Connector[]{serverConnector});
+				return server;
+			});
 
-		server.createContext("/", t -> responseHTML(t, "Hello"));
+			config.enforceSsl = Grasscutter.getConfig().getDispatchOptions().UseSSL;
+			if(Grasscutter.getConfig().DebugMode.equalsIgnoreCase("ALL")) {
+				config.enableDevLogging();
+			}
+		});
+
+		httpServer.get("/", (req, res) -> res.send("Welcome to Grasscutter"));
+
+		httpServer.raw().error(404, ctx -> {
+			if(Grasscutter.getConfig().DebugMode.equalsIgnoreCase("MISSING")) {
+				Grasscutter.getLogger().info(String.format("[Dispatch] Potentially unhandled route '%s'", ctx.url()));
+			}
+			ctx.contentType("text/html");
+			ctx.result("<!doctype html><html lang=\"en\"><body><img src=\"https://http.cat/404\" /></body></html>"); // I'm like 70% sure this won't break anything.
+		});
 
 		// Dispatch
-		server.createContext("/query_region_list", t -> {
+		httpServer.get("/query_region_list", (req, res) -> {
 			// Log
-			Grasscutter.getLogger()
-					.info(String.format("[Dispatch] Client %s request: query_region_list", t.getRemoteAddress()));
+			Grasscutter.getLogger().info(String.format("[Dispatch] Client %s request: query_region_list", req.ip()));
 
 			// Invoke event.
 			QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListBase64); event.call();
 			// Respond with event result.
-			responseHTML(t, event.getRegionList());
+			res.send(event.getRegionList());
 		});
 
-		for (String regionName : regions.keySet()) {
-			server.createContext("/query_cur_region_" + regionName, t -> {
-				String regionCurrentBase64 = regions.get(regionName).Base64;
-				// Log
-				Grasscutter.getLogger().info(
-						String.format("Client %s request: query_cur_region_%s", t.getRemoteAddress(), regionName));
-				// Create a response form the request query parameters
-				URI uri = t.getRequestURI();
-				String response = "CAESGE5vdCBGb3VuZCB2ZXJzaW9uIGNvbmZpZw==";
-				if (uri.getQuery() != null && uri.getQuery().length() > 0) {
-					response = regionCurrentBase64;
-				}
-				
-				// Invoke event.
-				QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(response); event.call();
-				// Respond with event result.
-				responseHTML(t, event.getRegionInfo());
-			});
-		}
+		httpServer.get("/query_cur_region/:id", (req, res) -> {
+			String regionName = req.params("id");
+			// Log
+			Grasscutter.getLogger().info(
+					String.format("Client %s request: query_cur_region/%s", req.ip(), regionName));
+			// Create a response form the request query parameters
+			String response = "CAESGE5vdCBGb3VuZCB2ZXJzaW9uIGNvbmZpZw==";
+			if (req.query().values().size() > 0) {
+				response = regions.get(regionName).Base64;
+			}
 
-		// Login via account
-		server.createContext("/hk4e_global/mdk/shield/api/login", t -> {
+			// Invoke event.
+			QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(response); event.call();
+			// Respond with event result.
+			res.send(event.getRegionInfo());
+		});
+
+		// Login
+		httpServer.post("/hk4e_global/mdk/shield/api/login", (req, res) -> {
 			// Get post data
 			LoginAccountRequestJson requestData = null;
 			try {
-				String body = Utils.toString(t.getRequestBody());
+				String body = req.ctx().body();
+				Grasscutter.getLogger().info(body);
 				requestData = getGsonFactory().fromJson(body, LoginAccountRequestJson.class);
 			} catch (Exception ignored) {
 			}
@@ -325,7 +288,7 @@ public final class DispatchServer {
 			LoginResultJson responseData = new LoginResultJson();
 
 			Grasscutter.getLogger()
-					.info(String.format("[Dispatch] Client %s is trying to log in", t.getRemoteAddress()));
+					.info(String.format("[Dispatch] Client %s is trying to log in", req.ip()));
 
 			// Login
 			Account account = DatabaseHelper.getAccountByName(requestData.account);
@@ -339,6 +302,10 @@ public final class DispatchServer {
 					// added.
 					account = DatabaseHelper.createAccountWithId(requestData.account, 0);
 
+					for (String permission : Grasscutter.getConfig().getDispatchOptions().defaultPermissions) {
+						account.addPermission(permission);
+					}
+
 					if (account != null) {
 						responseData.message = "OK";
 						responseData.data.account.uid = account.getId();
@@ -347,23 +314,20 @@ public final class DispatchServer {
 
 						Grasscutter.getLogger()
 								.info(String.format("[Dispatch] Client %s failed to log in: Account %s created",
-										t.getRemoteAddress(), responseData.data.account.uid));
-						for (String permission : Grasscutter.getConfig().getDispatchOptions().defaultPermissions) {
-							account.addPermission(permission);
-						}
+										req.ip(), responseData.data.account.uid));
 					} else {
 						responseData.retcode = -201;
 						responseData.message = "Username not found, create failed.";
 
 						Grasscutter.getLogger().info(String.format(
-								"[Dispatch] Client %s failed to log in: Account create failed", t.getRemoteAddress()));
+								"[Dispatch] Client %s failed to log in: Account create failed", req.ip()));
 					}
 				} else {
 					responseData.retcode = -201;
 					responseData.message = "Username not found.";
 
 					Grasscutter.getLogger().info(String
-							.format("[Dispatch] Client %s failed to log in: Account no found", t.getRemoteAddress()));
+							.format("[Dispatch] Client %s failed to log in: Account no found", req.ip()));
 				}
 			} else {
 				// Account was found, log the player in
@@ -372,18 +336,19 @@ public final class DispatchServer {
 				responseData.data.account.token = account.generateSessionKey();
 				responseData.data.account.email = account.getEmail();
 
-				Grasscutter.getLogger().info(String.format("[Dispatch] Client %s logged in as %s", t.getRemoteAddress(),
+				Grasscutter.getLogger().info(String.format("[Dispatch] Client %s logged in as %s", req.ip(),
 						responseData.data.account.uid));
 			}
 
-			responseJSON(t, responseData);
+			res.send(responseData);
 		});
+
 		// Login via token
-		server.createContext("/hk4e_global/mdk/shield/api/verify", t -> {
+		httpServer.post("/hk4e_global/mdk/shield/api/verify", (req, res) -> {
 			// Get post data
 			LoginTokenRequestJson requestData = null;
 			try {
-				String body = Utils.toString(t.getRequestBody());
+				String body = req.ctx().body();
 				requestData = getGsonFactory().fromJson(body, LoginTokenRequestJson.class);
 			} catch (Exception ignored) {
 			}
@@ -393,8 +358,7 @@ public final class DispatchServer {
 				return;
 			}
 			LoginResultJson responseData = new LoginResultJson();
-			Grasscutter.getLogger()
-					.info(String.format("[Dispatch] Client %s is trying to log in via token", t.getRemoteAddress()));
+			Grasscutter.getLogger().info(String.format("[Dispatch] Client %s is trying to log in via token", req.ip()));
 
 			// Login
 			Account account = DatabaseHelper.getAccountById(requestData.uid);
@@ -405,7 +369,7 @@ public final class DispatchServer {
 				responseData.message = "Game account cache information error";
 
 				Grasscutter.getLogger()
-						.info(String.format("[Dispatch] Client %s failed to log in via token", t.getRemoteAddress()));
+						.info(String.format("[Dispatch] Client %s failed to log in via token", req.ip()));
 			} else {
 				responseData.message = "OK";
 				responseData.data.account.uid = requestData.uid;
@@ -413,17 +377,18 @@ public final class DispatchServer {
 				responseData.data.account.email = account.getEmail();
 
 				Grasscutter.getLogger().info(String.format("[Dispatch] Client %s logged in via token as %s",
-						t.getRemoteAddress(), responseData.data.account.uid));
+						req.ip(), responseData.data.account.uid));
 			}
 
-			responseJSON(t, responseData);
+			res.send(responseData);
 		});
+
 		// Exchange for combo token
-		server.createContext("/hk4e_global/combo/granter/login/v2/login", t -> {
+		httpServer.post("/hk4e_global/combo/granter/login/v2/login", (req, res) -> {
 			// Get post data
 			ComboTokenReqJson requestData = null;
 			try {
-				String body = Utils.toString(t.getRequestBody());
+				String body = req.ctx().body();
 				requestData = getGsonFactory().fromJson(body, ComboTokenReqJson.class);
 			} catch (Exception ignored) {
 			}
@@ -433,7 +398,7 @@ public final class DispatchServer {
 				return;
 			}
 			LoginTokenData loginData = getGsonFactory().fromJson(requestData.data, LoginTokenData.class); // Get login
-																											// data
+			// data
 			ComboTokenResJson responseData = new ComboTokenResJson();
 
 			// Login
@@ -445,7 +410,7 @@ public final class DispatchServer {
 				responseData.message = "Wrong session key.";
 
 				Grasscutter.getLogger().info(
-						String.format("[Dispatch] Client %s failed to exchange combo token", t.getRemoteAddress()));
+						String.format("[Dispatch] Client %s failed to exchange combo token", req.ip()));
 			} else {
 				responseData.message = "OK";
 				responseData.data.open_id = loginData.uid;
@@ -453,110 +418,66 @@ public final class DispatchServer {
 				responseData.data.combo_token = account.generateLoginToken();
 
 				Grasscutter.getLogger().info(
-						String.format("[Dispatch] Client %s succeed to exchange combo token", t.getRemoteAddress()));
+						String.format("[Dispatch] Client %s succeed to exchange combo token", req.ip()));
 			}
 
-			responseJSON(t, responseData);
+			res.send(responseData);
 		});
+
+		// TODO: There are some missing route request types here (You can tell if they are missing if they are .all and not anything else)
+		//  When http requests for theses routes are found please remove it from the list in DispatchHttpJsonHandler and update the route request types here
+
 		// Agreement and Protocol
-		server.createContext( // hk4e-sdk-os.hoyoverse.com
-				"/hk4e_global/mdk/agreement/api/getAgreementInfos",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"marketing_agreements\":[]}}"));
-		server.createContext( // hk4e-sdk-os.hoyoverse.com
-				"/hk4e_global/combo/granter/api/compareProtocolVersion",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"modified\":true,\"protocol\":{\"id\":0,\"app_id\":4,\"language\":\"en\",\"user_proto\":\"\",\"priv_proto\":\"\",\"major\":7,\"minimum\":0,\"create_time\":\"0\",\"teenager_proto\":\"\",\"third_proto\":\"\"}}}"));
+		// hk4e-sdk-os.hoyoverse.com
+		httpServer.get("/hk4e_global/mdk/agreement/api/getAgreementInfos", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"marketing_agreements\":[]}}"));
+		// hk4e-sdk-os.hoyoverse.com
+		httpServer.post("/hk4e_global/combo/granter/api/compareProtocolVersion", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"modified\":true,\"protocol\":{\"id\":0,\"app_id\":4,\"language\":\"en\",\"user_proto\":\"\",\"priv_proto\":\"\",\"major\":7,\"minimum\":0,\"create_time\":\"0\",\"teenager_proto\":\"\",\"third_proto\":\"\"}}}"));
+
 		// Game data
-		server.createContext( // hk4e-api-os.hoyoverse.com
-				"/common/hk4e_global/announcement/api/getAlertPic",
-				new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"total\":0,\"list\":[]}}"));
-		server.createContext( // hk4e-api-os.hoyoverse.com
-				"/common/hk4e_global/announcement/api/getAlertAnn",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"alert\":false,\"alert_id\":0,\"remind\":true}}"));
-		server.createContext( // hk4e-api-os.hoyoverse.com
-				"/common/hk4e_global/announcement/api/getAnnList",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"list\":[],\"total\":0,\"type_list\":[],\"alert\":false,\"alert_id\":0,\"timezone\":0,\"t\":\""
-								+ System.currentTimeMillis() + "\"}}"));
-		server.createContext( // hk4e-api-os-static.hoyoverse.com
-				"/common/hk4e_global/announcement/api/getAnnContent",
-				new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"list\":[],\"total\":0}}"));
-		server.createContext( // hk4e-sdk-os.hoyoverse.com
-				"/hk4e_global/mdk/shopwindow/shopwindow/listPriceTier",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"suggest_currency\":\"USD\",\"tiers\":[]}}"));
+		// hk4e-api-os.hoyoverse.com
+		httpServer.all("/common/hk4e_global/announcement/api/getAlertPic", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"total\":0,\"list\":[]}}"));
+		// hk4e-api-os.hoyoverse.com
+		httpServer.all("/common/hk4e_global/announcement/api/getAlertAnn", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"alert\":false,\"alert_id\":0,\"remind\":true}}"));
+		// hk4e-api-os.hoyoverse.com
+		httpServer.all("/common/hk4e_global/announcement/api/getAnnList", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"list\":[],\"total\":0,\"type_list\":[],\"alert\":false,\"alert_id\":0,\"timezone\":0,\"t\":\"" + System.currentTimeMillis() + "\"}}"));
+		// hk4e-api-os-static.hoyoverse.com
+		httpServer.all("/common/hk4e_global/announcement/api/getAnnContent", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"list\":[],\"total\":0}}"));
+		// hk4e-sdk-os.hoyoverse.com
+		httpServer.all("/hk4e_global/mdk/shopwindow/shopwindow/listPriceTier", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"suggest_currency\":\"USD\",\"tiers\":[]}}"));
+
 		// Captcha
-		server.createContext( // api-account-os.hoyoverse.com
-				"/account/risky/api/check",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"id\":\"c8820f246a5241ab9973f71df3ddd791\",\"action\":\"\",\"geetest\":{\"challenge\":\"\",\"gt\":\"\",\"new_captcha\":0,\"success\":1}}}"));
+		// api-account-os.hoyoverse.com
+		httpServer.post("/account/risky/api/check", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"id\":\"none\",\"action\":\"ACTION_NONE\",\"geetest\":null}}"));
+
 		// Config
-		server.createContext( // sdk-os-static.hoyoverse.com
-				"/combo/box/api/config/sdk/combo",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"vals\":{\"disable_email_bind_skip\":\"false\",\"email_bind_remind_interval\":\"7\",\"email_bind_remind\":\"true\"}}}"));
-		server.createContext( // hk4e-sdk-os-static.hoyoverse.com
-				"/hk4e_global/combo/granter/api/getConfig",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"protocol\":true,\"qr_enabled\":false,\"log_level\":\"INFO\",\"announce_url\":\"https://webstatic-sea.hoyoverse.com/hk4e/announcement/index.html?sdk_presentation_style=fullscreen\\u0026sdk_screen_transparent=true\\u0026game_biz=hk4e_global\\u0026auth_appid=announcement\\u0026game=hk4e#/\",\"push_alias_type\":2,\"disable_ysdk_guard\":false,\"enable_announce_pic_popup\":true}}"));
-		server.createContext( // hk4e-sdk-os-static.hoyoverse.com
-				"/hk4e_global/mdk/shield/api/loadConfig",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"message\":\"OK\",\"data\":{\"id\":6,\"game_key\":\"hk4e_global\",\"client\":\"PC\",\"identity\":\"I_IDENTITY\",\"guest\":false,\"ignore_versions\":\"\",\"scene\":\"S_NORMAL\",\"name\":\"原神海外\",\"disable_regist\":false,\"enable_email_captcha\":false,\"thirdparty\":[\"fb\",\"tw\"],\"disable_mmt\":false,\"server_guest\":false,\"thirdparty_ignore\":{\"tw\":\"\",\"fb\":\"\"},\"enable_ps_bind_account\":false,\"thirdparty_login_configs\":{\"tw\":{\"token_type\":\"TK_GAME_TOKEN\",\"game_token_expires_in\":604800},\"fb\":{\"token_type\":\"TK_GAME_TOKEN\",\"game_token_expires_in\":604800}}}}"));
+		// sdk-os-static.hoyoverse.com
+		httpServer.get("/combo/box/api/config/sdk/combo", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"vals\":{\"disable_email_bind_skip\":\"false\",\"email_bind_remind_interval\":\"7\",\"email_bind_remind\":\"true\"}}}"));
+		// hk4e-sdk-os-static.hoyoverse.com
+		httpServer.get("/hk4e_global/combo/granter/api/getConfig", new DispatchHttpJsonHandler("{\"retcode\":0,\"message\":\"OK\",\"data\":{\"protocol\":true,\"qr_enabled\":false,\"log_level\":\"INFO\",\"announce_url\":\"https://webstatic-sea.hoyoverse.com/hk4e/announcement/index.html?sdk_presentation_style=fullscreen\\u0026sdk_screen_transparent=true\\u0026game_biz=hk4e_global\\u0026auth_appid=announcement\\u0026game=hk4e#/\",\"push_alias_type\":2,\"disable_ysdk_guard\":false,\"enable_announce_pic_popup\":true}}"));
+		// hk4e-sdk-os-static.hoyoverse.com
+		httpServer.get("/hk4e_global/mdk/shield/api/loadConfig", new DispatchHttpJsonHandler( "{\"retcode\":0,\"message\":\"OK\",\"data\":{\"id\":6,\"game_key\":\"hk4e_global\",\"client\":\"PC\",\"identity\":\"I_IDENTITY\",\"guest\":false,\"ignore_versions\":\"\",\"scene\":\"S_NORMAL\",\"name\":\"原神海外\",\"disable_regist\":false,\"enable_email_captcha\":false,\"thirdparty\":[\"fb\",\"tw\"],\"disable_mmt\":false,\"server_guest\":false,\"thirdparty_ignore\":{\"tw\":\"\",\"fb\":\"\"},\"enable_ps_bind_account\":false,\"thirdparty_login_configs\":{\"tw\":{\"token_type\":\"TK_GAME_TOKEN\",\"game_token_expires_in\":604800},\"fb\":{\"token_type\":\"TK_GAME_TOKEN\",\"game_token_expires_in\":604800}}}}"));
+
 		// Test api?
-		server.createContext( // abtest-api-data-sg.hoyoverse.com
-				"/data_abtest_api/config/experiment/list",
-				new DispatchHttpJsonHandler(
-						"{\"retcode\":0,\"success\":true,\"message\":\"\",\"data\":[{\"code\":1000,\"type\":2,\"config_id\":\"14\",\"period_id\":\"6036_99\",\"version\":\"1\",\"configs\":{\"cardType\":\"old\"}}]}"));
-		// Log Server
-		server.createContext( // log-upload-os.mihoyo.com
-				"/log/sdk/upload",
-				new DispatchHttpJsonHandler("{\"code\":0}"));
-		server.createContext( // log-upload-os.mihoyo.com
-				"/sdk/upload",
-				new DispatchHttpJsonHandler("{\"code\":0}"));
-		server.createContext( // /perf/config/verify?device_id=xxx&platform=x&name=xxx
-				"/perf/config/verify",
-				new DispatchHttpJsonHandler("{\"code\":0}"));
+		// abtest-api-data-sg.hoyoverse.com
+		httpServer.get("/data_abtest_api/config/experiment/list", new DispatchHttpJsonHandler("{\"retcode\":0,\"success\":true,\"message\":\"\",\"data\":[{\"code\":1000,\"type\":2,\"config_id\":\"14\",\"period_id\":\"6036_99\",\"version\":\"1\",\"configs\":{\"cardType\":\"old\"}}]}"));
+
+		// log-upload-os.mihoyo.com
+		httpServer.all("/log/sdk/upload", new DispatchHttpJsonHandler("{\"code\":0}"));
+		httpServer.all("/sdk/upload", new DispatchHttpJsonHandler("{\"code\":0}"));
+		httpServer.post("/sdk/dataUpload", new DispatchHttpJsonHandler("{\"code\":0}"));
+		// /perf/config/verify?device_id=xxx&platform=x&name=xxx
+		httpServer.all("/perf/config/verify", new DispatchHttpJsonHandler("{\"code\":0}"));
 
 		// Logging servers
-		server.createContext( // overseauspider.yuanshen.com
-				"/log",
-				new DispatchHttpJsonHandler("{\"code\":0}"));
+		// overseauspider.yuanshen.com
+		httpServer.all("/log", new DispatchHttpJsonHandler("{\"code\":0}"));
+		// log-upload-os.mihoyo.com
+		httpServer.all("/crash/dataUpload", new DispatchHttpJsonHandler("{\"code\":0}"));
 
-		server.createContext( // log-upload-os.mihoyo.com
-				"/crash/dataUpload",
-				new DispatchHttpJsonHandler("{\"code\":0}"));
-		server.createContext("/gacha", t -> responseHTML(t,
-				"<!doctype html><html lang=\"en\"><head><title>Gacha</title></head><body></body></html>"));
+		httpServer.get("/gacha", (req, res) -> res.send("<!doctype html><html lang=\"en\"><head><title>Gacha</title></head><body></body></html>"));
 
-		// Start server
-		server.start();
-		Grasscutter.getLogger().info("[Dispatch] Dispatch server started on port " + getAddress().getPort());
-	}
-
-	private void responseJSON(HttpExchange t, Object data) throws IOException {
-		// Create a response
-		String response = getGsonFactory().toJson(data);
-		// Set the response header status and length
-		t.getResponseHeaders().put("Content-Type", Collections.singletonList("application/json"));
-		t.sendResponseHeaders(200, response.getBytes().length);
-		// Write the response string
-		OutputStream os = t.getResponseBody();
-		os.write(response.getBytes());
-		os.close();
-	}
-
-	private void responseHTML(HttpExchange t, String response) throws IOException {
-		// Set the response header status and length
-		t.getResponseHeaders().put("Content-Type", Collections.singletonList("text/html; charset=UTF-8"));
-		t.sendResponseHeaders(200, response.getBytes().length);
-		// Write the response string
-		OutputStream os = t.getResponseBody();
-		os.write(response.getBytes());
-		os.close();
+		httpServer.listen(Grasscutter.getConfig().getDispatchOptions().Port);
+		Grasscutter.getLogger().info("[Dispatch] Dispatch server started on port " + httpServer.raw().port());
 	}
 
 	private Map<String, String> parseQueryString(String qs) {
@@ -574,11 +495,15 @@ public final class DispatchServer {
 
 			if (next > last) {
 				int eqPos = qs.indexOf('=', last);
-				if (eqPos < 0 || eqPos > next) {
-					result.put(URLDecoder.decode(qs.substring(last, next), StandardCharsets.UTF_8), "");
-				} else {
-					result.put(URLDecoder.decode(qs.substring(last, eqPos), StandardCharsets.UTF_8),
-							URLDecoder.decode(qs.substring(eqPos + 1, next), StandardCharsets.UTF_8));
+				try {
+					if (eqPos < 0 || eqPos > next) {
+						result.put(URLDecoder.decode(qs.substring(last, next), "utf-8"), "");
+					} else {
+						result.put(URLDecoder.decode(qs.substring(last, eqPos), "utf-8"),
+								URLDecoder.decode(qs.substring(eqPos + 1, next), "utf-8"));
+					}
+				} catch (UnsupportedEncodingException e) {
+					throw new RuntimeException(e); // will never happen, utf-8 support is mandatory for java
 				}
 			}
 			last = next + 1;
@@ -587,7 +512,6 @@ public final class DispatchServer {
 	}
 
 	public static class RegionData {
-
 		QueryCurrRegionHttpRsp parsedRegionQuery;
 		String Base64;
 

src/main/java/emu/grasscutter/server/game/GameServerPacketHandler.java

@@ -88,7 +88,7 @@ public class GameServerPacketHandler {
 		}
 		
 		// Log unhandled packets
-		if (Grasscutter.getConfig().getGameServerOptions().LOG_PACKETS) {
+		if (Grasscutter.getConfig().DebugMode.equalsIgnoreCase("MISSING")) {
 			Grasscutter.getLogger().info("Unhandled packet (" + opcode + "): " + emu.grasscutter.net.packet.PacketOpcodesUtil.getOpcodeName(opcode));
 		}
 	}

src/main/java/emu/grasscutter/server/game/GameSession.java

@@ -163,7 +163,7 @@ public class GameSession extends KcpChannel {
     	}
     	
     	// Log
-    	if (Grasscutter.getConfig().getGameServerOptions().LOG_PACKETS) {
+    	if (Grasscutter.getConfig().DebugMode.equalsIgnoreCase("ALL")) {
     		logPacket(packet);
     	}
 		
@@ -230,7 +230,7 @@ public class GameSession extends KcpChannel {
 				}
 				
 				// Log packet
-				if (Grasscutter.getConfig().getGameServerOptions().LOG_PACKETS) {
+				if (Grasscutter.getConfig().DebugMode.equalsIgnoreCase("ALL")) {
 					if (!loopPacket.contains(opcode)) {
 						Grasscutter.getLogger().info("RECV: " + PacketOpcodesUtil.getOpcodeName(opcode) + " (" + opcode + ")");
 						System.out.println(Utils.bytesToHex(payload));