update readme

README.md

@@ -14,8 +14,8 @@
 - [x] MiniMessage and legacy formattings supported
 - [x] Plugin update checker
 - [x] Send blacklist logs to a webhook
+- [x] Ingame blacklist management commands
 - [x] Reverse blacklist (whitelist)
-- [ ] Ingame blacklist management command
 - [ ] Subscribe to an auto-updating blacklist
 
 <h2>Changes from v1</h2>

build.gradle.kts

@@ -13,7 +13,7 @@ val PLUGIN_NAME = "OriginBlacklist"
 val PLUGIN_IDEN = "originblacklist"
 val PLUGIN_DOMN = "xyz.webmc"
 val PLUGIN_DESC = "An eaglercraft client blacklist plugin."
-val PLUGIN_VERS = "2.0.4"
+val PLUGIN_VERS = "2.0.5"
 val PLUGIN_SITE = "https://github.com/WebMCDevelopment/$PLUGIN_IDEN"
 val PLUGIN_DEPA = listOf("EaglercraftXServer")
 val PLUGIN_DEPB = listOf("EaglercraftXServer")

src/main/java/xyz/webmc/originblacklist/base/OriginBlacklist.java

@@ -193,7 +193,7 @@ public final class OriginBlacklist {
     this.updatePlugin(() -> {}, () -> {});
   }
 
-  private final EnumBlacklistType testBlacklist(final OPlayer player) {
+  public final EnumBlacklistType testBlacklist(final OPlayer player) {
     final String name = player.getName();
     final String addr = player.getAddr();
     final String origin = player.getOrigin();
@@ -229,7 +229,6 @@ public final class OriginBlacklist {
     if (isNonNull(name)) {
       if (whitelist && !type.isBlacklisted()) type = EnumBlacklistType.NAME;
       for (final Json5Element element : this.config.getArray("blacklist.player_names")) {
-        this.plugin.log(EnumLogLevel.DEBUG, element.getAsString());
         if (name.matches(element.getAsString())) {
           if (whitelist) type = EnumBlacklistType.NONE;
           else if (!type.isBlacklisted()) type = EnumBlacklistType.NAME;
@@ -335,34 +334,32 @@ public final class OriginBlacklist {
         PLUGIN_REPO,
         PLUGIN_REPO
       ).getBytes();
-      final Json5Element element = this.config.get("discord.webhook_urls");
-      if (element instanceof Json5Array) {
-        for (final Json5Element _element : element.getAsJson5Array()) {
-          this.plugin.runAsync(() -> {
-            try {
-              final URL url = new URL(_element.getAsString());
-              final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
-              conn.setRequestMethod("POST");
-              conn.setRequestProperty("Content-Type", "application/json");
-              conn.setDoOutput(true);
-              conn.setConnectTimeout(5000);
-              conn.setReadTimeout(5000);
-              conn.connect();
-              final OutputStream os = conn.getOutputStream();
-              os.write(payload);
-              os.close();
+      final Json5Array arr = this.config.get("discord.webhook_urls").getAsJson5Array();
+      for (final Json5Element element : arr) {
+        this.plugin.runAsync(() -> {
+          try {
+            final URL url = new URL(element.getAsString());
+            final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+            conn.setRequestMethod("POST");
+            conn.setRequestProperty("Content-Type", "application/json");
+            conn.setDoOutput(true);
+            conn.setConnectTimeout(5000);
+            conn.setReadTimeout(5000);
+            conn.connect();
+            final OutputStream os = conn.getOutputStream();
+            os.write(payload);
+            os.close();
 
-              final int code = conn.getResponseCode();
-              if (code < 200 || code >= 300) {
-                this.plugin.log(EnumLogLevel.WARN, "Webhook failed (HTTP " + code + ")");
-              }
-
-              conn.disconnect();
-            } catch (final Throwable t) {
-              t.printStackTrace();
+            final int code = conn.getResponseCode();
+            if (code < 200 || code >= 300) {
+              this.plugin.log(EnumLogLevel.WARN, "Webhook failed (HTTP " + code + ")");
             }
-          });
-        }
+
+            conn.disconnect();
+          } catch (final Throwable t) {
+            t.printStackTrace();
+          }
+        });
       }
     }
   }

src/main/java/xyz/webmc/originblacklist/base/command/CommandContext.java

@@ -4,8 +4,12 @@ import xyz.webmc.originblacklist.base.OriginBlacklist;
 
 public interface CommandContext {
   public OriginBlacklist getPlugin();
+
   public String getPlayerName();
+
   public void reply(final String message);
+
   public boolean hasPermission(final String permission);
+
   public String[] getArgs();
 }

src/main/java/xyz/webmc/originblacklist/base/command/ICommand.java

@@ -4,7 +4,10 @@ import java.util.List;
 
 public interface ICommand {
   public static final String NO_PERMISSION = "<red>You don't have permission to use this command.</red>";
+
   public boolean execute(final CommandContext ctx);
+
   public List<String> suggest(final CommandContext ctx);
+
   public void usage(final CommandContext ctx);
 }

src/main/java/xyz/webmc/originblacklist/base/command/OriginBlacklistCommand.java

@@ -1,10 +1,15 @@
 package xyz.webmc.originblacklist.base.command;
 
 import xyz.webmc.originblacklist.base.OriginBlacklist;
+import xyz.webmc.originblacklist.base.config.OriginBlacklistConfig;
+import xyz.webmc.originblacklist.base.enums.EnumBlacklistType;
+import xyz.webmc.originblacklist.base.util.OPlayer;
 
 import java.util.List;
 
+import de.marhali.json5.Json5Array;
 import de.marhali.json5.Json5Element;
+import de.marhali.json5.Json5Primitive;
 
 public class OriginBlacklistCommand implements ICommand {
   private final OriginBlacklist plugin;
@@ -18,43 +23,26 @@ public class OriginBlacklistCommand implements ICommand {
     final String[] args = ctx.getArgs();
     if (ctx.hasPermission("originblacklist.command")) {
       if (args.length > 0) {
+        final OriginBlacklistConfig config = this.plugin.getConfig();
         final String command = args[0].toLowerCase();
+        final String argA = args.length > 1 ? args[1].toLowerCase() : null;
+        ;
+        final String argB = args.length > 2 ? args[2] : null;
+        final boolean add = "add".equals(command);
+        final boolean remove = "remove".equals(command);
         if ("reload".equals(command)) {
           if (ctx.hasPermission("originblacklist.command.reload")) {
-            this.plugin.getConfig().reloadConfig();
+            config.reloadConfig();
             ctx.reply("<green>Configuration Reloaded</green>");
           } else {
             ctx.reply(NO_PERMISSION);
           }
-        } else if ("list".equals(command)) {
-          if (ctx.hasPermission("originblacklist.command.reload")) {
-            ctx.reply("<aqua>Blacklist:</aqua>");
-            ctx.reply("<gold>  - Origins:</gold>");
-            for (final Json5Element element : this.plugin.getConfig().getArray("blacklist.origins")) {
-              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
-            }
-            ctx.reply("<gold>  - Brands:</gold>");
-            for (final Json5Element element : this.plugin.getConfig().getArray("blacklist.brands")) {
-              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
-            }
-            ctx.reply("<gold>  - Players:</gold>");
-            for (final Json5Element element : this.plugin.getConfig().getArray("blacklist.player_names")) {
-              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
-            }
-            ctx.reply("<gold>  - IPs:</gold>");
-            for (final Json5Element element : this.plugin.getConfig().getArray("blacklist.ip_addresses")) {
-              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
-            }
-          } else {
-            ctx.reply(NO_PERMISSION);
-          }
         } else if ("update".equals(command)) {
           if (ctx.hasPermission("originblacklist.command.update")) {
             ctx.reply("<aqua>Checking for updates...</aqua>");
-            final OriginBlacklist plugin = ctx.getPlugin();
-            plugin.checkForUpdates(() -> {
+            this.plugin.checkForUpdates(() -> {
               ctx.reply("<yellow>Updating plugin...</yellow>");
-              plugin.updatePlugin(() -> {
+              this.plugin.updatePlugin(() -> {
                 ctx.reply("<green>Successfully updated plugin.</green>");
               }, () -> {
                 ctx.reply("<red>Failed to update plugin.</red>");
@@ -65,6 +53,79 @@ public class OriginBlacklistCommand implements ICommand {
           } else {
             ctx.reply(NO_PERMISSION);
           }
+        } else if ((add || remove) && OriginBlacklist.isNonNull(argB)) {
+          if ((add && ctx.hasPermission("originblacklist.command.add"))
+              || (remove && ctx.hasPermission("originblacklist.command.add"))) {
+            final String arrName;
+            if ("origin".equals(argA)) {
+              arrName = "origins";
+            } else if ("brand".equals(argA)) {
+              arrName = "brands";
+            } else if ("name".equals(argA)) {
+              arrName = "player_names";
+            } else if ("ip".equals(argA)) {
+              arrName = "ip_addresses";
+            } else {
+              arrName = null;
+            }
+            if (OriginBlacklist.isNonNull(arrName)) {
+              final String arrPath = "blacklist." + arrName;
+              final Json5Array arr = config.getArray(arrPath);
+              if (add) {
+                if (!arr.contains(Json5Primitive.fromString(argB))) {
+                  arr.add(argB);
+                  config.set(arrPath, arr);
+                  ctx.reply("<green>Added " + argB + " to the " + argA + " blacklist</green>");
+                } else {
+                  ctx.reply("<red>" + argB + " is already on the " + argA + " blacklist</red>");
+                }
+              } else if (remove) {
+                if (arr.contains(Json5Primitive.fromString(argB))) {
+                  arr.remove(Json5Primitive.fromString(argB));
+                  config.set(arrPath, arr);
+                  ctx.reply("<green>Removed " + argB + " from the " + argA + " blacklist</green>");
+                } else {
+                  ctx.reply("<red>" + argB + " not on the " + argA + " blacklist</red>");
+                }
+              }
+            } else {
+              this.usage(ctx);
+            }
+          } else {
+            ctx.reply(NO_PERMISSION);
+          }
+        } else if ("test".equals(command) && OriginBlacklist.isNonNull(argA)) {
+          if (ctx.hasPermission("originblacklist.command.test")) {
+            if (this.isBlacklisted(argA)) {
+              ctx.reply("<green>" + argA + " is on the blacklist.</green>");
+            } else {
+              ctx.reply("<red>" + argA + " is not on the blacklist.</red>");
+            }
+          } else {
+            ctx.reply(NO_PERMISSION);
+          }
+        } else if ("list".equals(command)) {
+          if (ctx.hasPermission("originblacklist.command.list")) {
+            ctx.reply("<aqua>Blacklist:</aqua>");
+            ctx.reply("<gold>  - Origins:</gold>");
+            for (final Json5Element element : config.getArray("blacklist.origins")) {
+              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
+            }
+            ctx.reply("<gold>  - Brands:</gold>");
+            for (final Json5Element element : config.getArray("blacklist.brands")) {
+              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
+            }
+            ctx.reply("<gold>  - Players:</gold>");
+            for (final Json5Element element : config.getArray("blacklist.player_names")) {
+              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
+            }
+            ctx.reply("<gold>  - IPs:</gold>");
+            for (final Json5Element element : config.getArray("blacklist.ip_addresses")) {
+              ctx.reply("<gray>    - " + element.getAsString() + "</gray>");
+            }
+          } else {
+            ctx.reply(NO_PERMISSION);
+          }
         } else {
           this.usage(ctx);
         }
@@ -78,17 +139,23 @@ public class OriginBlacklistCommand implements ICommand {
   }
 
   @Override
-  public List<String> suggest(final CommandContext ctx) {
+  public final List<String> suggest(final CommandContext ctx) {
     return List.of();
   }
 
   @Override
-  public void usage(CommandContext ctx) {
+  public final void usage(CommandContext ctx) {
     ctx.reply("<aqua>Commands:</aqua>");
     ctx.reply("<gray>  - /originblacklist reload</gray>");
     ctx.reply("<gray>  - /originblacklist update</gray>");
-    // ctx.reply("<gray>  - /originblacklist add <brand/origin/name/ip> <value></gray>");
-    // ctx.reply("<gray>  - /originblacklist remove <brand/origin/name/ip> <value></gray>");
+    ctx.reply("<gray>  - /originblacklist add <origin/brand/name/ip> <argB></gray>");
+    ctx.reply("<gray>  - /originblacklist remove <origin/brand/name/ip> <argB></gray>");
+    ctx.reply("<gray>  - /originblacklist test <argB></gray>");
     ctx.reply("<gray>  - /originblacklist list</gray>");
   }
+
+  private final boolean isBlacklisted(final String str) {
+    final OPlayer player = new OPlayer(null, str, null, str, str, -1);
+    return this.plugin.testBlacklist(player) != EnumBlacklistType.NONE;
+  }
 }

src/main/java/xyz/webmc/originblacklist/base/config/OriginBlacklistConfig.java

@@ -132,7 +132,7 @@ public final class OriginBlacklistConfig {
 
     if (this.config != null && OriginBlacklist.isNonNull(key)) {
       element = this.config;
-      final String[] parts = key.split("\\.");
+      final String[] parts = splitPath(key);
 
       for (final String part : parts) {
         if (element instanceof Json5Object) {
@@ -155,6 +155,75 @@ public final class OriginBlacklistConfig {
     return element;
   }
 
+  public final boolean set(final String key, final Json5Element value) {
+    boolean ret = false;
+
+    if (this.config != null && value != null) {
+      final String[] parts = splitPath(key);
+
+      if (parts.length > 0) {
+        Json5Object obj = this.config;
+
+        for (int i = 0; i < parts.length - 1; i++) {
+          final String part = parts[i];
+          final Json5Element cur = obj.has(part) ? obj.get(part) : null;
+
+          if (cur instanceof Json5Object next) {
+            obj = next;
+          } else {
+            final Json5Object next = new Json5Object();
+            obj.add(part, next);
+            obj = next;
+          }
+        }
+
+        obj.add(parts[parts.length - 1], value.deepCopy());
+        this.saveConfig();
+        ret = true;
+      }
+    }
+
+    return ret;
+  }
+
+  public final boolean remove(final String key) {
+    boolean ret = false;
+
+    if (this.config != null) {
+      final String[] parts = splitPath(key);
+
+      if (parts.length > 0) {
+        Json5Object obj = this.config;
+        Json5Element element = obj;
+
+        for (int i = 0; i < parts.length - 1; i++) {
+          if (element instanceof Json5Object cur && cur.has(parts[i])) {
+            element = cur.get(parts[i]);
+            if (element instanceof Json5Object) {
+              obj = (Json5Object) element;
+            } else {
+              element = null;
+            }
+          } else {
+            element = null;
+          }
+
+          if (element == null) {
+            break;
+          }
+        }
+
+        if (element != null && obj.has(parts[parts.length - 1])) {
+          obj.remove(parts[parts.length - 1]);
+          this.saveConfig();
+          ret = true;
+        }
+      }
+    }
+
+    return ret;
+  }
+
   public final String getString(final String key) {
     return this.get(key).getAsString();
   }
@@ -279,4 +348,16 @@ public final class OriginBlacklistConfig {
     }
     obj.add(key, value);
   }
+
+  private static final String[] splitPath(final String key) {
+    final String[] ret;
+
+    if (OriginBlacklist.isNonNull(key)) {
+      ret = key.split("\\.");
+    } else {
+      ret = new String[0];
+    }
+
+    return ret;
+  }
 }

src/main/java/xyz/webmc/originblacklist/base/util/BuildInfo.java

@@ -3,7 +3,7 @@ package xyz.webmc.originblacklist.base.util;
 import java.io.InputStream;
 import java.util.Properties;
 
-public class BuildInfo {
+public final class BuildInfo {
   private static final Properties properties;
 
   public static final String get(final String key) {
@@ -14,6 +14,7 @@ public class BuildInfo {
     properties = new Properties();
     try (final InputStream in = BuildInfo.class.getClassLoader().getResourceAsStream("build.properties")) {
       properties.load(in);
-    } catch (final Throwable t) {}
+    } catch (final Throwable t) {
+    }
   }
 }

src/main/java/xyz/webmc/originblacklist/base/util/IOriginBlacklistPlugin.java

@@ -12,13 +12,22 @@ import org.semver4j.Semver;
 
 public interface IOriginBlacklistPlugin {
   public String getPluginId();
+
   public Semver getPluginVersion();
+
   public Path getPluginJarPath();
+
   public void log(final EnumLogLevel level, final String txt);
+
   public void kickPlayer(final Component txt, final OriginBlacklistLoginEvent event);
+
   public void setMOTD(final Component txt, final OriginBlacklistMOTDEvent event);
+
   public String parsePlaceholders(final OPlayer player, final String str);
+
   public void scheduleRepeat(final Runnable task, final int period, final TimeUnit unit);
+
   public void runAsync(final Runnable task);
+
   public void shutdown();
 }

src/main/java/xyz/webmc/originblacklist/base/util/OPlayer.java

@@ -78,9 +78,7 @@ public final class OPlayer {
   }
 
   private static final String formatIPAddress(String addr) {
-    if (addr == null) {
-      addr = OriginBlacklist.UNKNOWN_STR;
-    } else {
+    if (OriginBlacklist.isNonNull(addr)) {
       if (addr.startsWith("/")) {
         addr = addr.substring(1);
       }
@@ -132,6 +130,8 @@ public final class OPlayer {
       if (hex && c == 6 && addr.indexOf("::") == -1) {
         addr = addr + "::";
       }
+    } else {
+      addr = OriginBlacklist.UNKNOWN_STR;
     }
 
     return addr;

src/main/java/xyz/webmc/originblacklist/base/util/UpdateChecker.java

@@ -14,10 +14,11 @@ import de.marhali.json5.Json5Object;
 import org.semver4j.Semver;
 import org.semver4j.Semver.VersionDiff;
 
-public class UpdateChecker {
+public final class UpdateChecker {
   private static final Json5 json5 = Json5.builder(builder -> builder.build());
 
-  public static final String checkForUpdates(final String repo, final Semver currentVersion, final boolean allowSnapshots) {
+  public static final String checkForUpdates(final String repo, final Semver currentVersion,
+      final boolean allowSnapshots) {
     try {
       final URL url = new URL("https://api.github.com/repos/" + repo + "/releases");
       final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
@@ -46,11 +47,13 @@ public class UpdateChecker {
             }
             final boolean pre = obj.get("prerelease").getAsBoolean();
             if (!pre) {
-              if (rel == null || obj.get("published_at").getAsString().compareTo(rel.get("published_at").getAsString()) > 0) {
+              if (rel == null
+                  || obj.get("published_at").getAsString().compareTo(rel.get("published_at").getAsString()) > 0) {
                 rel = obj;
               }
             } else {
-              if (snap == null || obj.get("published_at").getAsString().compareTo(snap.get("published_at").getAsString()) > 0) {
+              if (snap == null
+                  || obj.get("published_at").getAsString().compareTo(snap.get("published_at").getAsString()) > 0) {
                 snap = obj;
               }
             }
@@ -71,7 +74,8 @@ public class UpdateChecker {
           } catch (Throwable t) {
             comm = "";
           }
-          if (ver.isGreaterThan(currentVersion) || (allowSnapshots && currentVersion.diff(ver) == VersionDiff.BUILD && OriginBlacklist.isNonNull(comm) && !BuildInfo.get("git_cm_hash").startsWith(comm))) {
+          if (ver.isGreaterThan(currentVersion) || (allowSnapshots && currentVersion.diff(ver) == VersionDiff.BUILD
+              && OriginBlacklist.isNonNull(comm) && !BuildInfo.get("git_cm_hash").startsWith(comm))) {
             element = obj.get("assets");
             if (element instanceof Json5Array) {
               final Json5Array aArr = element.getAsJson5Array();

src/main/java/xyz/webmc/originblacklist/bukkit/command/BKTCommandContext.java

@@ -5,7 +5,7 @@ import xyz.webmc.originblacklist.base.command.CommandContext;
 
 import org.bukkit.command.CommandSender;
 
-public class BKTCommandContext implements CommandContext {
+public final class BKTCommandContext implements CommandContext {
   private final OriginBlacklist plugin;
   private final CommandSender sender;
   private final String[] args;
@@ -17,27 +17,27 @@ public class BKTCommandContext implements CommandContext {
   }
 
   @Override
-  public OriginBlacklist getPlugin() {
+  public final OriginBlacklist getPlugin() {
     return this.plugin;
   }
 
   @Override
-  public String getPlayerName() {
+  public final String getPlayerName() {
     return this.sender.getName();
   }
 
   @Override
-  public void reply(final String message) {
+  public final void reply(final String message) {
     this.sender.sendMessage(OriginBlacklist.getLegacyFromMiniMessage(message));
   }
 
   @Override
-  public boolean hasPermission(final String permission) {
+  public final boolean hasPermission(final String permission) {
     return this.sender.hasPermission(permission);
   }
 
   @Override
-  public String[] getArgs() {
+  public final String[] getArgs() {
     return this.args;
   }
 }

src/main/java/xyz/webmc/originblacklist/bukkit/command/OriginBlacklistCommandBukkit.java

@@ -9,7 +9,7 @@ import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabExecutor;
 
-public class OriginBlacklistCommandBukkit extends OriginBlacklistCommand implements TabExecutor {
+public final class OriginBlacklistCommandBukkit extends OriginBlacklistCommand implements TabExecutor {
   private final OriginBlacklist plugin;
 
   public OriginBlacklistCommandBukkit(OriginBlacklist plugin) {
@@ -23,7 +23,8 @@ public class OriginBlacklistCommandBukkit extends OriginBlacklistCommand impleme
   }
 
   @Override
-  public List<String> onTabComplete(final CommandSender sender, final Command command, final String label, final String[] args) {
+  public List<String> onTabComplete(final CommandSender sender, final Command command, final String label,
+      final String[] args) {
     return super.suggest(new BKTCommandContext(this.plugin, sender, args));
   }
 }

src/main/java/xyz/webmc/originblacklist/bungee/command/BNGCommandContext.java

@@ -6,7 +6,7 @@ import xyz.webmc.originblacklist.base.command.CommandContext;
 import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.chat.TextComponent;
 
-public class BNGCommandContext implements CommandContext {
+public final class BNGCommandContext implements CommandContext {
   private final OriginBlacklist plugin;
   private final CommandSender sender;
   private final String[] args;
@@ -18,27 +18,27 @@ public class BNGCommandContext implements CommandContext {
   }
 
   @Override
-  public OriginBlacklist getPlugin() {
+  public final OriginBlacklist getPlugin() {
     return this.plugin;
   }
 
   @Override
-  public String getPlayerName() {
+  public final String getPlayerName() {
     return this.sender.getName();
   }
 
   @Override
-  public void reply(final String message) {
+  public final void reply(final String message) {
     this.sender.sendMessage(TextComponent.fromLegacy(OriginBlacklist.getLegacyFromMiniMessage(message)));
   }
 
   @Override
-  public boolean hasPermission(final String permission) {
+  public final boolean hasPermission(final String permission) {
     return this.sender.hasPermission(permission);
   }
 
   @Override
-  public String[] getArgs() {
+  public final String[] getArgs() {
     return this.args;
   }
 }

src/main/java/xyz/webmc/originblacklist/bungee/command/OriginBlacklistCommandBungee.java

@@ -10,23 +10,24 @@ import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.plugin.Command;
 import net.md_5.bungee.api.plugin.TabExecutor;
 
-public class OriginBlacklistCommandBungee extends Command implements TabExecutor {
+public final class OriginBlacklistCommandBungee extends Command implements TabExecutor {
   private final OriginBlacklistCommand cmd;
   private final OriginBlacklist blacklist;
 
-  public OriginBlacklistCommandBungee(final OriginBlacklistBungee plugin, final OriginBlacklist blacklist, final String command) {
+  public OriginBlacklistCommandBungee(final OriginBlacklistBungee plugin, final OriginBlacklist blacklist,
+      final String command) {
     super(command);
     this.cmd = new OriginBlacklistCommand(blacklist);
     this.blacklist = blacklist;
   }
 
   @Override
-  public void execute(final CommandSender sender, final String[] args) {
+  public final void execute(final CommandSender sender, final String[] args) {
     this.cmd.execute(new BNGCommandContext(this.blacklist, sender, args));
   }
 
   @Override
-  public List<String> onTabComplete(final CommandSender sender, final String[] args) {
+  public final List<String> onTabComplete(final CommandSender sender, final String[] args) {
     return this.cmd.suggest(new BNGCommandContext(this.blacklist, sender, args));
   }
 }

src/main/java/xyz/webmc/originblacklist/velocity/OriginBlacklistVelocity.java

@@ -64,7 +64,7 @@ public final class OriginBlacklistVelocity implements IOriginBlacklistPlugin {
   }
 
   @Subscribe
-  public void onProxyInitialization(ProxyInitializeEvent event) {
+  public final void onProxyInitialization(ProxyInitializeEvent event) {
     this.proxy.getPluginManager().getPlugin("eaglerxserver").ifPresentOrElse(plugin -> {
       final Semver version = new Semver(plugin.getDescription().getVersion().orElse("1.0.0"));
       if (version.isLowerThan(OriginBlacklist.REQUIRED_API_VER)) {

src/main/java/xyz/webmc/originblacklist/velocity/command/OriginBlacklistCommandVelocity.java

@@ -7,7 +7,7 @@ import java.util.List;
 
 import com.velocitypowered.api.command.SimpleCommand;
 
-public class OriginBlacklistCommandVelocity extends OriginBlacklistCommand implements SimpleCommand {
+public final class OriginBlacklistCommandVelocity extends OriginBlacklistCommand implements SimpleCommand {
   private final OriginBlacklist plugin;
 
   public OriginBlacklistCommandVelocity(OriginBlacklist plugin) {
@@ -16,12 +16,12 @@ public class OriginBlacklistCommandVelocity extends OriginBlacklistCommand imple
   }
 
   @Override
-  public void execute(final Invocation invocation) {
+  public final void execute(final Invocation invocation) {
     super.execute(new VCommandContext(this.plugin, invocation));
   }
 
   @Override
-  public List<String> suggest(final Invocation invocation) {
+  public final List<String> suggest(final Invocation invocation) {
     return super.suggest(new VCommandContext(this.plugin, invocation));
   }
 }

src/main/java/xyz/webmc/originblacklist/velocity/command/VCommandContext.java

@@ -6,7 +6,7 @@ import xyz.webmc.originblacklist.base.command.CommandContext;
 import com.velocitypowered.api.command.SimpleCommand.Invocation;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 
-public class VCommandContext implements CommandContext {
+public final class VCommandContext implements CommandContext {
   private final OriginBlacklist plugin;
   private final Invocation invocation;
 
@@ -16,27 +16,27 @@ public class VCommandContext implements CommandContext {
   }
 
   @Override
-  public OriginBlacklist getPlugin() {
+  public final OriginBlacklist getPlugin() {
     return this.plugin;
   }
 
   @Override
-  public String getPlayerName() {
+  public final String getPlayerName() {
     return this.invocation.source().toString();
   }
 
   @Override
-  public void reply(final String message) {
-    this.invocation.source().sendMessage(MiniMessage.miniMessage().deserialize(message)); 
+  public final void reply(final String message) {
+    this.invocation.source().sendMessage(MiniMessage.miniMessage().deserialize(message));
   }
 
   @Override
-  public boolean hasPermission(final String permission) {
+  public final boolean hasPermission(final String permission) {
     return this.invocation.source().hasPermission(permission);
   }
 
   @Override
-  public String[] getArgs() {
+  public final String[] getArgs() {
     return this.invocation.arguments();
   }
 }