Merge branch 'cmdblocker' of https://github.com/plexusorg/Plex

src/main/java/dev/plex/Plex.java

@@ -8,6 +8,7 @@ import dev.plex.cache.player.PlayerCache;
 import dev.plex.cache.player.SQLPlayerData;
 import dev.plex.cache.sql.SQLNotes;
 import dev.plex.cache.sql.SQLPunishment;
+import dev.plex.command.blocker.CommandBlockerManager;
 import dev.plex.config.Config;
 import dev.plex.handlers.CommandHandler;
 import dev.plex.handlers.ListenerHandler;
@@ -44,6 +45,7 @@ public class Plex extends JavaPlugin
     public Config config;
     public Config messages;
     public Config indefBans;
+    public Config blockedCommands;
 
     public File modulesFolder;
     private StorageType storageType = StorageType.SQLITE;
@@ -62,6 +64,7 @@ public class Plex extends JavaPlugin
     private RankManager rankManager;
     private ServiceManager serviceManager;
     private PunishmentManager punishmentManager;
+    private CommandBlockerManager commandBlockerManager;
 
     private AdminList adminList;
     private UpdateChecker updateChecker;
@@ -79,6 +82,7 @@ public class Plex extends JavaPlugin
         config = new Config(this, "config.yml");
         messages = new Config(this, "messages.yml");
         indefBans = new Config(this, "indefbans.yml");
+        blockedCommands = new Config(this, "commands.yml");
         build.load(this);
 
         modulesFolder = new File(this.getDataFolder() + File.separator + "modules");
@@ -99,6 +103,7 @@ public class Plex extends JavaPlugin
         messages.load();
         // Don't add default entries to indefinite ban file
         indefBans.load(false);
+        blockedCommands.load();
 
         sqlConnection = new SQLConnection();
         mongoConnection = new MongoConnection();
@@ -158,6 +163,9 @@ public class Plex extends JavaPlugin
         punishmentManager.mergeIndefiniteBans();
         PlexLog.log("Punishment System initialized");
 
+        commandBlockerManager = new CommandBlockerManager();
+        PlexLog.log("Command Blocker initialized");
+
         generateWorlds();
 
         serviceManager = new ServiceManager();

src/main/java/dev/plex/command/blocker/BaseCommand.java

@@ -0,0 +1,22 @@
+package dev.plex.command.blocker;
+
+import dev.plex.rank.enums.Rank;
+import lombok.Getter;
+
+@Getter
+public class BaseCommand
+{
+    private final Rank rank;
+    private final String message;
+
+    public BaseCommand(Rank r, String m)
+    {
+        rank = r;
+        message = m;
+    }
+
+    public String toString()
+    {
+        return "BaseCommand (Rank: " + (rank == null ? "ALL" : rank.name()) + ", Message: " + message + ")";
+    }
+}

src/main/java/dev/plex/command/blocker/CommandBlockerManager.java

@@ -0,0 +1,108 @@
+package dev.plex.command.blocker;
+
+import dev.plex.Plex;
+import dev.plex.PlexBase;
+import dev.plex.rank.enums.Rank;
+import dev.plex.util.PlexLog;
+import dev.plex.util.PlexUtils;
+import lombok.Getter;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.PluginCommand;
+import org.bukkit.command.PluginCommandYamlParser;
+import org.bukkit.plugin.Plugin;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.regex.Pattern;
+
+@Getter
+public class CommandBlockerManager extends PlexBase
+{
+    private List<BaseCommand> blockedCommands = new ArrayList<>();
+
+    public boolean loadedYet;
+
+    public void syncCommands()
+    {
+        loadedYet = false;
+        blockedCommands.clear();
+
+        List<String> raw = plugin.blockedCommands.getStringList("blockedCommands");
+
+        for (String cmd : raw)
+        {
+            int lastDelim = cmd.lastIndexOf(':');
+
+            String cmdWithoutMsg = cmd.substring(0, lastDelim);
+            String[] rawPieces = cmdWithoutMsg.split(":", 3);
+
+            String rawType = rawPieces[0].toLowerCase();
+            String rawRank = rawPieces[1].toLowerCase();
+            String regexOrMatch = rawPieces[2];
+            String message = cmd.substring(lastDelim + 1);
+
+            if (message.equals("_"))
+            {
+                message = PlexUtils.messageString("commandBlocked");
+            }
+
+            Rank rank = switch (rawRank)
+                    {
+                        case "e" -> null;
+                        case "a" -> Rank.ADMIN;
+                        case "s" -> Rank.SENIOR_ADMIN;
+                        default -> null;
+                    };
+
+            if (rawType.equals("r"))
+            {
+                blockedCommands.add(new RegexCommand(Pattern.compile(regexOrMatch, Pattern.CASE_INSENSITIVE), rank, message));
+            }
+            else if (rawType.equals("m"))
+            {
+                int ind = regexOrMatch.indexOf(' ');
+                if (ind == -1 && regexOrMatch.endsWith(":"))
+                {
+                    String pluginName = regexOrMatch.substring(0, regexOrMatch.length() - 1);
+                    Plugin plugin = Arrays.stream(Bukkit.getServer().getPluginManager().getPlugins()).filter(pl -> pl.getName().equalsIgnoreCase(pluginName)).findAny().orElse(null);
+                    if (plugin != null)
+                    {
+                        List<Command> commandList = PluginCommandYamlParser.parse(plugin);
+                        for (Command command : commandList)
+                        {
+                            blockedCommands.add(new MatchCommand(command.getName(), rank, message));
+                            blockedCommands.add(new MatchCommand(pluginName + ":" + command.getName(), rank, message));
+                            for (String alias : command.getAliases())
+                            {
+                                blockedCommands.add(new MatchCommand(alias, rank, message));
+                                blockedCommands.add(new MatchCommand(pluginName + ":" + alias, rank, message));
+                            }
+                        }
+                    }
+                }
+                String blockedArgs = ind == -1 ? "" : regexOrMatch.substring(ind + 1);
+                if (!blockedArgs.isEmpty())
+                {
+                    blockedArgs = " " + blockedArgs; // necessary in case no args
+                }
+                PluginCommand pluginCommand = Plex.get().getServer().getPluginCommand(ind == -1 ? regexOrMatch : regexOrMatch.substring(0, ind));
+                if (pluginCommand != null)
+                {
+                    String pluginName = pluginCommand.getPlugin().getName();
+                    blockedCommands.add(new MatchCommand(pluginCommand.getName() + blockedArgs, rank, message));
+                    blockedCommands.add(new MatchCommand(pluginName + ":" + pluginCommand.getName() + blockedArgs, rank, message));
+                    List<String> aliases = pluginCommand.getAliases();
+                    for (String alias : aliases)
+                    {
+                        blockedCommands.add(new MatchCommand(alias + blockedArgs, rank, message));
+                        blockedCommands.add(new MatchCommand(pluginName + ":" + alias + blockedArgs, rank, message));
+                    }
+                }
+            }
+        }
+
+        loadedYet = true;
+    }
+}

src/main/java/dev/plex/command/blocker/MatchCommand.java

@@ -0,0 +1,21 @@
+package dev.plex.command.blocker;
+
+import dev.plex.rank.enums.Rank;
+import lombok.Getter;
+
+@Getter
+public class MatchCommand extends BaseCommand
+{
+    private final String match;
+
+    public MatchCommand(String r1, Rank r2, String m1)
+    {
+        super(r2, m1);
+        match = r1;
+    }
+
+    public String toString()
+    {
+        return "MatchCommand (Rank: " + (getRank() == null ? "ALL" : getRank().name()) + ", Match: " + match + ", Message: " + getMessage() + ")";
+    }
+}

src/main/java/dev/plex/command/blocker/RegexCommand.java

@@ -0,0 +1,23 @@
+package dev.plex.command.blocker;
+
+import dev.plex.rank.enums.Rank;
+import lombok.Getter;
+
+import java.util.regex.Pattern;
+
+@Getter
+public class RegexCommand extends BaseCommand
+{
+    private final Pattern regex;
+
+    public RegexCommand(Pattern r1, Rank r2, String m1)
+    {
+        super(r2, m1);
+        regex = r1;
+    }
+
+    public String toString()
+    {
+        return "RegexCommand (Rank: " + (getRank() == null ? "ALL" : getRank().name()) + ", Regex: " + regex.toString() + ", Message: " + getMessage() + ")";
+    }
+}

src/main/java/dev/plex/command/impl/PlexCMD.java

@@ -18,6 +18,7 @@ import dev.plex.util.PlexLog;
 import dev.plex.util.PlexUtils;
 import net.kyori.adventure.text.Component;
 import org.apache.commons.lang.StringUtils;
+import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
@@ -51,13 +52,16 @@ public class PlexCMD extends PlexCommand
             plugin.indefBans.load(false);
             plugin.getPunishmentManager().mergeIndefiniteBans();
             send(sender, "Reloaded indefinite bans");
+            plugin.blockedCommands.load();
+            plugin.getCommandBlockerManager().syncCommands();
+            send(sender, "Reloaded blocked commands file");
             plugin.getRankManager().importDefaultRanks();
             send(sender, "Imported ranks");
-            send(sender, "Plex successfully reloaded.");
             plugin.setSystem(plugin.config.getString("system"));
             plugin.getServiceManager().endServices();
             plugin.getServiceManager().startServices();
             PlexLog.debug("Restarted services");
+            send(sender, "Plex successfully reloaded.");
             return null;
         }
         else if (args[0].equalsIgnoreCase("redis"))

src/main/java/dev/plex/listener/impl/CommandListener.java

@@ -1,7 +1,14 @@
 package dev.plex.listener.impl;
 
+import dev.plex.cache.DataUtils;
 import dev.plex.cache.player.PlayerCache;
+import dev.plex.command.blocker.BaseCommand;
+import dev.plex.command.blocker.MatchCommand;
+import dev.plex.command.blocker.RegexCommand;
 import dev.plex.listener.PlexListener;
+import dev.plex.player.PlexPlayer;
+import dev.plex.util.PlexUtils;
+import net.kyori.adventure.text.minimessage.MiniMessage;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
@@ -23,5 +30,44 @@ public class CommandListener extends PlexListener
                 pl.sendMessage(ChatColor.GRAY + player.getName() + ": " + command);
             }
         });
+
+        if (!plugin.getCommandBlockerManager().loadedYet)
+        {
+            event.setCancelled(true);
+            return;
+        }
+        Player player = event.getPlayer();
+        String message = event.getMessage().substring(1).stripLeading(); // stripLeading() is VITAL for workaround blocking (/ minecraft:summon)
+        for (BaseCommand blockedCommand : plugin.getCommandBlockerManager().getBlockedCommands())
+        {
+            PlexPlayer plexPlayer = DataUtils.getPlayer(player.getUniqueId());
+            if (blockedCommand.getRank() != null && plexPlayer.getRankFromString().isAtLeast(blockedCommand.getRank()))
+            {
+                continue;
+            }
+
+            boolean isBlocked = false;
+            if (blockedCommand instanceof RegexCommand regexCommand)
+            {
+                if (regexCommand.getRegex().matcher(message).lookingAt())
+                {
+                    isBlocked = true;
+                }
+            }
+            else if (blockedCommand instanceof MatchCommand matchCommand)
+            {
+                if (message.toLowerCase().startsWith(matchCommand.getMatch().toLowerCase()))
+                {
+                    isBlocked = true;
+                }
+            }
+            if (isBlocked)
+            {
+                event.setCancelled(true);
+                //PlexLog.debug("Command blocked.");
+                player.sendMessage(MiniMessage.miniMessage().deserialize(PlexUtils.messageString("blockedCommandColor") + blockedCommand.getMessage()));
+                return;
+            }
+        }
     }
 }

src/main/java/dev/plex/player/PlexPlayer.java

@@ -98,7 +98,7 @@ public class PlexPlayer
     public Rank getRankFromString()
     {
         OfflinePlayer player = Bukkit.getOfflinePlayer(uuid);
-        if (rank.isEmpty())
+        if (rank.isEmpty() || !isAdminActive())
         {
             if (player.isOp())
             {

src/main/java/dev/plex/services/ServiceManager.java

@@ -2,10 +2,7 @@ package dev.plex.services;
 
 import com.google.common.collect.Lists;
 import dev.plex.Plex;
-import dev.plex.services.impl.AutoWipeService;
-import dev.plex.services.impl.BanService;
-import dev.plex.services.impl.GameRuleService;
-import dev.plex.services.impl.UpdateCheckerService;
+import dev.plex.services.impl.*;
 import org.bukkit.Bukkit;
 import org.bukkit.scheduler.BukkitTask;
 
@@ -21,6 +18,7 @@ public class ServiceManager
         registerService(new GameRuleService());
         registerService(new UpdateCheckerService());
         registerService(new AutoWipeService());
+        registerService(new CommandBlockerService());
     }
 
     public void startServices()
@@ -45,7 +43,16 @@ public class ServiceManager
     {
         if (!service.isRepeating())
         {
-            BukkitTask task = Bukkit.getScheduler().runTask(Plex.get(), service::run);
+            int time = service.repeatInSeconds();
+            BukkitTask task;
+            if (time == 0)
+            {
+                task = Bukkit.getScheduler().runTask(Plex.get(), service::run);
+            }
+            else
+            {
+                task = Bukkit.getScheduler().runTaskLater(Plex.get(), service::run, time);
+            }
             service.setTaskId(task.getTaskId());
         }
         else if (service.isRepeating() && service.isAsynchronous())

src/main/java/dev/plex/services/impl/CommandBlockerService.java

@@ -0,0 +1,25 @@
+package dev.plex.services.impl;
+
+import dev.plex.services.AbstractService;
+import dev.plex.util.PlexLog;
+
+public class CommandBlockerService extends AbstractService
+{
+    public CommandBlockerService()
+    {
+        super(false, true);
+    }
+
+    @Override
+    public void run()
+    {
+        plugin.getCommandBlockerManager().syncCommands();
+        PlexLog.log("Command Blocker commands loaded");
+    }
+
+    @Override
+    public int repeatInSeconds()
+    {
+        return 0;
+    }
+}

src/main/resources/commands.yml

@@ -0,0 +1,21 @@
+#
+# Command Blocker
+#
+# Format:
+#   - "<regex or match>:<rank>:command name no slash:Block message"
+#
+# Symbols to use:
+#   - r for RegEx
+#   - m for matching
+#   - The ranks are "e" for everyone, "s" for senior admin, and "a" for admin
+#   - MATCHING MODE: The command is just the command without slashes. Optional arguments are specified as well. It also accepts full plugins via specifying the plugin name followed by a ":" (e.g. "viaversion:")
+#   - REGEX MODE: The command is regex that matches the desired command. It matches case insensitively.
+#   - Finally the block message. MUST NOT CONTAIN ":". Use _ to use the default command blocked message as specified in messages.yml, or you can optionally put your own in
+#
+# So these would be valid:
+#   - "m:e:mail sendall:You cannot send messages to everyone on the server"
+#   - "r:e:(.*:):Plugin specific commands are disabled"
+blockedCommands:
+  - "r:e:^[^ :]+::Plugin specific commands are disabled."
+  - "m:e:mail sendall:You cannot send messages to everyone on the server."
+  - "m:e:mail sendtempall:You cannot send messages to everyone on the server."

src/main/resources/messages.yml

@@ -166,4 +166,6 @@ noRemovedEntities: "<gray>No entities were removed."
 removedMobs: "<red>{0} - Removed {1} mobs"
 autoWipeDisabled: "<gray>Item wiping is currently disabled in the config!"
 allowDropsDisabled: "<gray>No longer allowing drops from players."
-allowDropsEnabled: "<gray>Now allowing drops from players."
+allowDropsEnabled: "<gray>Now allowing drops from players."
+blockedCommandColor: "<gray>"
+commandBlocked: "That command is blocked."