Update MCProtocolLib; add clearer errors for various connection issues

Errors that are a result of online mode and offline mode clashes are now clarified.
Users will now get a clearer message stating that the server is offline.

Resolves #2501

bootstrap/spigot/src/main/java/org/geysermc/platform/spigot/GeyserSpigotPlugin.java

@@ -42,6 +42,7 @@ import org.geysermc.connector.dump.BootstrapDumpInfo;
 import org.geysermc.connector.network.translators.world.WorldManager;
 import org.geysermc.connector.ping.GeyserLegacyPingPassthrough;
 import org.geysermc.connector.ping.IGeyserPingPassthrough;
+import org.geysermc.connector.utils.Constants;
 import org.geysermc.connector.utils.FileUtils;
 import org.geysermc.connector.utils.LanguageUtils;
 import org.geysermc.geyser.adapters.spigot.SpigotAdapters;
@@ -126,7 +127,7 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
 
         // Remove this in like a year
         if (Bukkit.getPluginManager().getPlugin("floodgate-bukkit") != null) {
-            geyserLogger.severe(LanguageUtils.getLocaleStringLog("geyser.bootstrap.floodgate.outdated", "https://ci.opencollab.dev/job/GeyserMC/job/Floodgate/job/master/"));
+            geyserLogger.severe(LanguageUtils.getLocaleStringLog("geyser.bootstrap.floodgate.outdated", Constants.FLOODGATE_DOWNLOAD_LOCATION));
             this.getPluginLoader().disablePlugin(this);
             return;
         }

connector/pom.xml

@@ -11,7 +11,7 @@
     <artifactId>connector</artifactId>
 
     <properties>
-        <adventure.version>4.8.0</adventure.version>
+        <adventure.version>4.9.2</adventure.version>
         <fastutil.version>8.5.2</fastutil.version>
         <jackson.version>2.12.4</jackson.version>
         <netty.version>4.1.66.Final</netty.version>
@@ -147,15 +147,11 @@
             <scope>compile</scope>
         </dependency>
         <dependency>
-            <groupId>com.github.RednedEpic</groupId>
+            <groupId>com.github.GeyserMC</groupId>
             <artifactId>MCProtocolLib</artifactId>
-            <version>e17787a</version>
+            <version>e7979c4</version>
             <scope>compile</scope>
             <exclusions>
-                <exclusion>
-                    <groupId>net.kyori</groupId>
-                    <artifactId>adventure-text-serializer-gson</artifactId>
-                </exclusion>
                 <exclusion>
                     <groupId>com.github.steveice10</groupId>
                     <artifactId>packetlib</artifactId>
@@ -226,30 +222,12 @@
             <classifier>osx-x86_64</classifier>
         </dependency>
         <!-- Adventure text serialization -->
-        <dependency>
-            <groupId>net.kyori</groupId>
-            <artifactId>adventure-api</artifactId>
-            <version>${adventure.version}</version>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>net.kyori</groupId>
-            <artifactId>adventure-text-serializer-gson</artifactId>
-            <version>${adventure.version}</version>
-            <scope>compile</scope>
-        </dependency>
         <dependency>
             <groupId>net.kyori</groupId>
             <artifactId>adventure-text-serializer-legacy</artifactId>
             <version>${adventure.version}</version>
             <scope>compile</scope>
         </dependency>
-        <dependency>
-            <groupId>net.kyori</groupId>
-            <artifactId>adventure-text-serializer-gson-legacy-impl</artifactId>
-            <version>${adventure.version}</version>
-            <scope>compile</scope>
-        </dependency>
         <!-- Other -->
         <dependency>
             <groupId>junit</groupId>

connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java

@@ -35,6 +35,7 @@ import com.github.steveice10.mc.auth.service.MsaAuthenticationService;
 import com.github.steveice10.mc.protocol.MinecraftConstants;
 import com.github.steveice10.mc.protocol.MinecraftProtocol;
 import com.github.steveice10.mc.protocol.data.SubProtocol;
+import com.github.steveice10.mc.protocol.data.UnexpectedEncryptionException;
 import com.github.steveice10.mc.protocol.data.game.entity.metadata.Pose;
 import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
 import com.github.steveice10.mc.protocol.data.game.recipe.Recipe;
@@ -100,6 +101,7 @@ import org.geysermc.cumulus.util.FormBuilder;
 import org.geysermc.floodgate.crypto.FloodgateCipher;
 import org.geysermc.floodgate.util.BedrockData;
 
+import java.net.ConnectException;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.nio.charset.StandardCharsets;
@@ -831,16 +833,44 @@ public class GeyserSession implements CommandSender {
             public void disconnected(DisconnectedEvent event) {
                 loggingIn = false;
                 loggedIn = false;
-                if (downstream != null && downstream.isInternallyConnecting()) {
-                    connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.network.remote.disconnect_internal", authData.getName(), event.getReason()));
+
+                String disconnectMessage;
+                Throwable cause = event.getCause();
+                if (cause instanceof UnexpectedEncryptionException) {
+                    if (remoteAuthType != AuthType.FLOODGATE) {
+                        // Server expects online mode
+                        disconnectMessage = LanguageUtils.getPlayerLocaleString("geyser.network.remote.authentication_type_mismatch", getLocale());
+                        // Explain that they may be looking for Floodgate.
+                        connector.getLogger().warning(LanguageUtils.getLocaleStringLog(
+                                connector.getPlatformType() == PlatformType.STANDALONE ?
+                                        "geyser.network.remote.floodgate_explanation_standalone"
+                                        : "geyser.network.remote.floodgate_explanation_plugin",
+                                Constants.FLOODGATE_DOWNLOAD_LOCATION
+                        ));
+                    } else {
+                        // Likely that Floodgate is not configured correctly.
+                        disconnectMessage = LanguageUtils.getPlayerLocaleString("geyser.network.remote.floodgate_login_error", getLocale());
+                        if (connector.getPlatformType() == PlatformType.STANDALONE) {
+                            connector.getLogger().warning(LanguageUtils.getLocaleStringLog("geyser.network.remote.floodgate_login_error_standalone"));
+                        }
+                    }
+                } else if (cause instanceof ConnectException) {
+                    // Server is offline, probably
+                    disconnectMessage = LanguageUtils.getPlayerLocaleString("geyser.network.remote.server_offline", getLocale());
                 } else {
-                    connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.network.remote.disconnect", authData.getName(), remoteAddress, event.getReason()));
-                }
-                if (event.getCause() != null) {
-                    event.getCause().printStackTrace();
+                    disconnectMessage = MessageTranslator.convertMessageLenient(event.getReason());
                 }
 
-                upstream.disconnect(MessageTranslator.convertMessageLenient(event.getReason()));
+                if (downstream != null && downstream.isInternallyConnecting()) {
+                    connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.network.remote.disconnect_internal", authData.getName(), disconnectMessage));
+                } else {
+                    connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.network.remote.disconnect", authData.getName(), remoteAddress, disconnectMessage));
+                }
+                if (cause != null) {
+                    cause.printStackTrace();
+                }
+
+                upstream.disconnect(disconnectMessage);
             }
 
             @Override

connector/src/main/java/org/geysermc/connector/network/translators/chat/MessageTranslator.java

@@ -30,7 +30,6 @@ import com.github.steveice10.mc.protocol.data.game.scoreboard.TeamColor;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.renderer.TranslatableComponentRenderer;
 import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
-import net.kyori.adventure.text.serializer.gson.legacyimpl.NBTLegacyHoverEventSerializer;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import org.geysermc.connector.GeyserConnector;
 import org.geysermc.connector.network.session.GeyserSession;
@@ -45,11 +44,8 @@ public class MessageTranslator {
     // Custom instead of TranslatableComponentRenderer#usingTranslationSource so we don't need to worry about finding a Locale class
     private static final TranslatableComponentRenderer<String> RENDERER = new MinecraftTranslationRegistry();
 
-    // Construct our own {@link GsonComponentSerializer} since we need to change a setting
-    private static final GsonComponentSerializer GSON_SERIALIZER = GsonComponentSerializer.builder()
-            // Specify that we may be expecting legacy hover events
-            .legacyHoverEventSerializer(NBTLegacyHoverEventSerializer.get())
-            .build();
+    // Possible TODO: replace the legacy hover event serializer with an empty one since we have no use for hover events
+    private static final GsonComponentSerializer GSON_SERIALIZER = DefaultComponentSerializer.get();
 
     // Store team colors for player names
     private static final Map<TeamColor, String> TEAM_COLORS = new EnumMap<>(TeamColor.class);
@@ -90,9 +86,6 @@ public class MessageTranslator {
         TEAM_COLORS.put(TeamColor.BOLD, BASE + "l");
         TEAM_COLORS.put(TeamColor.STRIKETHROUGH, BASE + "m");
         TEAM_COLORS.put(TeamColor.ITALIC, BASE + "o");
-
-        // Tell MCProtocolLib to use our serializer
-        DefaultComponentSerializer.set(GSON_SERIALIZER);
     }
 
     /**

connector/src/main/java/org/geysermc/connector/utils/Constants.java

@@ -35,6 +35,8 @@ public final class Constants {
     public static final String NEWS_OVERVIEW_URL = "https://api.geysermc.org/v1/news";
     public static final String NEWS_PROJECT_NAME = "geyser";
 
+    public static final String FLOODGATE_DOWNLOAD_LOCATION = "https://ci.opencollab.dev/job/GeyserMC/job/Floodgate/job/master/";
+
     static {
         URI wsUri = null;
         try {

connector/src/main/resources/languages

@@ -1 +1 @@
-Subproject commit 1138a64627dec66fdb7f33c922ff6cd5636ec30a
+Subproject commit b3ef0d567d2e088a3b900741a464ad00524e9beb