Added permission support for commands.

src/b1_7_3/resources/plugin.yml

@@ -6,3 +6,12 @@ description: "Change what players can do based in custom criteria."
 commands:
   eye:
     description: "Run /eye help to see all available commands."
+permissions:
+  nemesiseye.reload:
+    default: op
+  nemesiseye.policy.list.all:
+    default: op
+  nemesiseye.policy.list.self:
+    default: true
+  nemesiseye.help:
+    default: true

src/main/java/io/github/adrianvic/nemesiseye/commands/Commands.java

@@ -1,12 +1,16 @@
 package io.github.adrianvic.nemesiseye.commands;
 
+import io.github.adrianvic.nemesiseye.Nemesis;
 import io.github.adrianvic.nemesiseye.commands.sub.*;
+import io.github.adrianvic.nemesiseye.reflection.Glimmer;
+import org.bukkit.command.CommandSender;
 
 import java.util.HashMap;
 import java.util.Map;
 
 public class Commands {
     private static final Map<String, Subcommand> commands = new HashMap<>();
+    private static final Glimmer glim = Nemesis.getInstance().getGlimmer();
 
     static {
         commands.put("help", new Help());
@@ -23,4 +27,9 @@ public class Commands {
     public static Subcommand get(String type) {
         return commands.get(type);
     }
+
+    public static void sendNoPermissionError(CommandSender sender) {
+        glim.sendMessage(sender, "You do not have the necessary permission to use this command.");
+    }
+
 }

src/main/java/io/github/adrianvic/nemesiseye/commands/EyeCore.java

@@ -26,17 +26,30 @@ public class EyeCore {
                 commandSender.sendMessage("Unknown command, try '/eye help' to list available commands.");
                 return true;
             }
-            return sub.execute(commandSender, Arrays.copyOfRange(strings, 1, strings.length));
+            else if (commandSender.hasPermission(sub.permission())) {
+                return sub.execute(commandSender, Arrays.copyOfRange(strings, 1, strings.length));
+            } else {
+                Nemesis.getInstance().getLogger().info("does not have %s".formatted(sub.permission()));
+                Commands.sendNoPermissionError(commandSender);
+                return true;
+            }
         }
         return false;
     }
 
     public List<String> onTabComplete(CommandSender commandSender, Command command, String s, String [] strings) {
         if (strings.length == 1) {
-            return new ArrayList<>(Commands.getAll().keySet());
+            Map<String, Subcommand> cmds = new HashMap<>();
+            for (Map.Entry<String, Subcommand> e : Commands.getAll().entrySet()) {
+                if (e.getValue().hasPermission(commandSender)) {
+                    cmds.put(e.getKey(), e.getValue());
+                    cmds.put(e.getKey(), e.getValue());
+                }
+            }
+            return new ArrayList<>(cmds.keySet());
         }
         Subcommand sub = Commands.get(strings[0].toLowerCase());
-        if (sub != null) {
+        if (sub != null && commandSender.hasPermission(sub.permission())) {
             return sub.onTabComplete(commandSender, Arrays.copyOfRange(strings, 1, strings.length));
         }
         return List.of();

src/main/java/io/github/adrianvic/nemesiseye/commands/sub/CurrentPolicies.java

@@ -39,4 +39,9 @@ public class CurrentPolicies implements Subcommand {
     public String usage() {
         return "";
     }
+
+    @Override
+    public String permission() {
+        return "nemsiseye.policies.list.self";
+    }
 }

src/main/java/io/github/adrianvic/nemesiseye/commands/sub/Help.java

@@ -20,10 +20,12 @@ public class Help implements Subcommand {
             rstr.add("No commands found.");
         }
         for (Map.Entry<String, Subcommand> e : allSubcommands.entrySet()) {
-            rstr.add("""
-            %s - %s
-            Usage: /eye %s %s
-            """.formatted(e.getKey(), e.getValue().description(), e.getKey(), e.getValue()));
+            if (e.getValue().hasPermission(commandSender)) {
+                rstr.add("""
+                %s - %s
+                Usage: /eye %s %s
+                """.formatted(e.getKey(), e.getValue().description(), e.getKey(), e.getValue().usage()));
+            }
         }
 
         glim.sendMessage(commandSender, String.join("\n", rstr));
@@ -44,4 +46,9 @@ public class Help implements Subcommand {
     public String usage() {
         return "";
     }
+
+    @Override
+    public String permission() {
+        return "nemsiseye.help";
+    }
 }

src/main/java/io/github/adrianvic/nemesiseye/commands/sub/ListPolicies.java

@@ -32,4 +32,9 @@ public class ListPolicies implements Subcommand {
     public String usage() {
         return "";
     }
+
+    @Override
+    public String permission() {
+        return "nemsiseye.policy.list.all";
+    }
 }

src/main/java/io/github/adrianvic/nemesiseye/commands/sub/PolicyInfo.java

@@ -47,4 +47,9 @@ public class PolicyInfo implements Subcommand {
     public String usage() {
         return "<policy>";
     }
+
+    @Override
+    public String permission() {
+        return "nemsiseye.policy.info";
+    }
 }

src/main/java/io/github/adrianvic/nemesiseye/commands/sub/Reload.java

@@ -1,6 +1,7 @@
 package io.github.adrianvic.nemesiseye.commands.sub;
 
 import io.github.adrianvic.nemesiseye.Config;
+import io.github.adrianvic.nemesiseye.commands.Commands;
 import org.bukkit.command.CommandSender;
 
 import java.util.List;
@@ -8,8 +9,8 @@ import java.util.List;
 public class Reload implements Subcommand {
     @Override
     public boolean execute(CommandSender commandSender, String [] strings) {
-        Config.getInstance().load();
-        commandSender.sendMessage("Reloading...");
+            Config.getInstance().load();
+            commandSender.sendMessage("Reloading...");
         return true;
     }
 
@@ -18,6 +19,11 @@ public class Reload implements Subcommand {
         return List.of();
     }
 
+    @Override
+    public String permission() {
+        return "nemsiseye.reload";
+    }
+
     @Override
     public String description() {
         return "Reloads the plugin configuration file.";

src/main/java/io/github/adrianvic/nemesiseye/commands/sub/Subcommand.java

@@ -1,6 +1,7 @@
 package io.github.adrianvic.nemesiseye.commands.sub;
 
 import org.bukkit.command.CommandSender;
+import org.bukkit.permissions.Permission;
 
 import java.util.List;
 
@@ -10,4 +11,8 @@ public interface Subcommand {
     @SuppressWarnings("SameReturnValue")
     boolean execute(CommandSender commandSender, String[] strings);
     List<String> onTabComplete(CommandSender sender, String[] strings);
+    String permission();
+    default boolean hasPermission(CommandSender sender) {
+        return sender.hasPermission(permission());
+    }
 }

src/r1_21/resources/plugin.yml

@@ -8,3 +8,12 @@ description: "Change what players can do based in custom criteria."
 commands:
   eye:
     usage: "/eye <option> (help for all available options)"
+permissions:
+  nemesiseye.reload:
+    default: op
+  nemesiseye.policy.list.all:
+    default: op
+  nemesiseye.policy.list.self:
+    default: true
+  nemesiseye.help:
+    default: true