Initial commit

src/main/java/eu/endermite/commandwhitelist/CommandWhitelist.java

@@ -0,0 +1,36 @@
+package eu.endermite.commandwhitelist;
+
+import eu.endermite.commandwhitelist.config.ConfigCache;
+import eu.endermite.commandwhitelist.listeners.PlayerCommandPreProcess;
+import eu.endermite.commandwhitelist.listeners.PlayerCommandSend;
+import org.bukkit.plugin.java.JavaPlugin;
+
+public final class CommandWhitelist extends JavaPlugin {
+
+    private static CommandWhitelist commandWhitelist;
+    private static ConfigCache configCache;
+
+    @Override
+    public void onEnable() {
+
+        commandWhitelist = this;
+        reloadPluginConfig();
+
+        getServer().getPluginManager().registerEvents(new PlayerCommandPreProcess(), this);
+        getServer().getPluginManager().registerEvents(new PlayerCommandSend(), this);
+
+    }
+
+    @Override
+    public void onDisable() {
+        // Plugin shutdown logic
+    }
+
+    public void reloadPluginConfig() {
+        saveDefaultConfig();
+        configCache = new ConfigCache(this.getConfig());
+    }
+
+    public static CommandWhitelist getPlugin() {return commandWhitelist;}
+    public static ConfigCache getConfigCache() {return configCache;}
+}

src/main/java/eu/endermite/commandwhitelist/config/ConfigCache.java

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+package eu.endermite.commandwhitelist.config;
+
+import eu.endermite.commandwhitelist.CommandWhitelist;
+import org.bukkit.configuration.file.FileConfiguration;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Set;
+
+public class ConfigCache {
+
+    private final HashMap<String, List<String>> permList = new HashMap<>();
+    private final String prefix;
+    private final  String commandDenied;
+
+    public ConfigCache(FileConfiguration yamlConfiguration) {
+        Set<String> perms = yamlConfiguration.getConfigurationSection("commands").getKeys(false);
+        for (String s : perms) {
+            this.permList.put(s, CommandWhitelist.getPlugin().getConfig().getStringList("commands."+s));
+        }
+
+        this.prefix = CommandWhitelist.getPlugin().getConfig().getString("messages.prefix");
+        this.commandDenied = CommandWhitelist.getPlugin().getConfig().getString("messages.command-denied");
+    }
+
+    public HashMap<String, List<String>> getPermList() {
+        return permList;
+    }
+
+    public List<String> getPerm(String s) {
+        return permList.get(s);
+    }
+    public String getPrefix() {return prefix;}
+    public String getCommandDenied() {return commandDenied;}
+}

src/main/java/eu/endermite/commandwhitelist/listeners/PlayerCommandPreProcess.java

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+package eu.endermite.commandwhitelist.listeners;
+
+import eu.endermite.commandwhitelist.CommandWhitelist;
+import org.bukkit.ChatColor;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+
+import java.util.List;
+import java.util.Map;
+
+public class PlayerCommandPreProcess implements Listener {
+
+    @EventHandler(priority = EventPriority.LOWEST)
+    public void PlayerCommandSendEvent(org.bukkit.event.player.PlayerCommandPreprocessEvent event) {
+        Player player = event.getPlayer();
+
+        if (player.hasPermission("commandwhitelist.bypass:")) {
+            return;
+        }
+
+        String command = event.getMessage();
+
+        for (Map.Entry<String, List<String>> s : CommandWhitelist.getConfigCache().getPermList().entrySet()) {
+            if (player.hasPermission("commandwhitelist.commands." + s.getKey())) {
+                for (String comm : s.getValue()) {
+                    if (command.startsWith("/" + comm)) {
+                        return;
+                    }
+                }
+            }
+        }
+        event.setCancelled(true);
+        player.sendMessage(ChatColor.translateAlternateColorCodes('&', CommandWhitelist.getConfigCache().getPrefix() + " " + CommandWhitelist.getConfigCache().getCommandDenied()));
+
+    }
+
+}

src/main/java/eu/endermite/commandwhitelist/listeners/PlayerCommandSend.java

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+package eu.endermite.commandwhitelist.listeners;
+
+import eu.endermite.commandwhitelist.CommandWhitelist;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+
+import java.util.*;
+
+public class PlayerCommandSend implements Listener {
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void PlayerCommandSendEvent(org.bukkit.event.player.PlayerCommandSendEvent event) {
+        Player player = event.getPlayer();
+
+        if (player.hasPermission("commandwhitelist.bypass:")) {
+            return;
+        }
+
+        List<String> commandList = new ArrayList<>();
+
+        for (Map.Entry<String, List<String>> s : CommandWhitelist.getConfigCache().getPermList().entrySet()) {
+                if (player.hasPermission("commandwhitelist.commands."+s.getKey())) {
+                    commandList.addAll(s.getValue());
+                }
+        }
+
+        event.getCommands().removeIf((cmd) -> !commandList.contains(cmd));
+
+    }
+
+}

src/main/resources/config.yml

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+messages:
+  prefix: "CommandWhitelist >"
+  command-denied: "No such command."
+
+commands:
+  default:
+    - ?
+    - help
+    - spawn
+    - bal
+    - balance
+    - baltop
+    - pay
+    - r
+    - msg
+    - tpa
+    - tpahere
+    - tpaccept
+    - tpdeny
+    - warp

src/main/resources/plugin.yml

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+name: CommandWhitelist
+version: ${project.version}
+main: eu.endermite.commandwhitelist.CommandWhitelist
+api-version: 1.16
+authors: [YouHaveTrouble]
+description: Control what commands players can use
+permissions:
+  commandwhitelist.bypass:
+    default: OP
+  commandwhitelist.commands.default:
+    default: true