Magix sanity.

src/main/java/emu/grasscutter/command/commands/PermissionCommand.java

@@ -0,0 +1,50 @@
+package emu.grasscutter.command.commands;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.command.Command;
+import emu.grasscutter.command.CommandHandler;
+import emu.grasscutter.game.Account;
+import emu.grasscutter.game.GenshinPlayer;
+
+import java.util.List;
+
+@Command(label = "permission", usage = "permission <add|remove> <username> <permission>",
+        description = "Grants or removes a permission for a user", permission = "*")
+public final class PermissionCommand implements CommandHandler {
+
+    @Override
+    public void execute(GenshinPlayer sender, List<String> args) {
+        if (args.size() < 3) {
+            CommandHandler.sendMessage(sender, "Usage: permission <add|remove> <username> <permission>");
+            return;
+        }
+
+        String action = args.get(0);
+        String username = args.get(1);
+        String permission = args.get(2);
+
+        Account account = Grasscutter.getGameServer().getAccountByName(username);
+        if (account == null) {
+            CommandHandler.sendMessage(sender, "Account not found.");
+            return;
+        }
+
+        switch (action) {
+            default:
+                CommandHandler.sendMessage(sender, "Usage: permission <add|remove> <username> <permission>");
+                break;
+            case "add":
+                if (account.addPermission(permission)) {
+                    CommandHandler.sendMessage(sender, "Permission added.");
+                } else CommandHandler.sendMessage(sender, "They already have this permission!");
+                break;
+            case "remove":
+                if (account.removePermission(permission)) {
+                    CommandHandler.sendMessage(sender, "Permission removed.");
+                } else CommandHandler.sendMessage(sender, "They don't have this permission!");
+                break;
+        }
+
+        account.save();
+    }
+}